CN108962184A - Bearing calibration, sampling display device and the correcting display device of display device - Google Patents
Bearing calibration, sampling display device and the correcting display device of display device Download PDFInfo
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- CN108962184A CN108962184A CN201810654452.XA CN201810654452A CN108962184A CN 108962184 A CN108962184 A CN 108962184A CN 201810654452 A CN201810654452 A CN 201810654452A CN 108962184 A CN108962184 A CN 108962184A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
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Abstract
The present invention provides a kind of display device bearing calibration, in at least one sampling display device of display device selection of multiple same class display panels；Sampling display device is corrected using a Picture Calibration device, and generates a uplink data；Uplink data is uploaded to a distal end data bank, distal end data bank generates a statistical correction data according to uplink data；A correcting display device is selected in the display device of multiple same class display panels, distal end data bank provides a downloaded data from statistical correction data and corrects to correcting display device.
Description
Technical field
The present invention is about a kind of bearing calibration and display device, in particular to a kind of color of display device
Bearing calibration and the display device that color can be corrected
Background technique
Desktop computer, notebook computer are extensive now must be full of in daily life and work.?
In work, people can also observe by screen, set by the reading of the screen of these computer apparatus, editing electronic file
Meter or editing electronic image or film, or game is executed to be engaged in recreation or contest.It is different in these above-mentioned applications
Application field may require that different brightness and color demand.
However, existing flat display apparatus be, for example, apply LCD technology (Liquid Crystal Display,
LCD) comprising the display panel as light valve and the backlight module as light source.It is above-mentioned as the running time is continuously increased
The element of these display panels and backlight module can also consume therewith, and then influence brightness and the color table of display device
It is existing.Especially when user needs to carry out numerical digit photo editing using these display devices or digital image designs, this kind of is answered
With the color error ratio that cannot even more allow display screen.
Although existing display device can by external color apparatus for correcting correction color with brightness, on
The at high price of color apparatus for correcting is stated, considers further that its frequency of use, is still one for not being inconsistent cost for user
Expense.Therefore, how display device one more convenient colour correction mode is provided, is still to be solved in present display science and technology
One of problem.
Summary of the invention
It is an object of the invention to reduce cost when display device realizes calibration function.
In order to achieve the above objectives, a kind of bearing calibration of display device of the present invention, comprising steps of a. is aobvious in multiple same class
Show at least one sampling display device of display device selection of panel；B. the sampling display device is carried out using Picture Calibration device
Correction, and generate uplink data；C. the uplink data is uploaded to distal end data bank, which produces according to the uplink data
Raw statistical correction data；And d. selects a correcting display device in the display device of multiple same class display panel, this is remote
It holds data bank to provide downloaded data from the statistical correction data to correct to the correcting display device.
Preferably, the uplink data and the statistical correction data include the first color compensation value and relative to this first
The running time of color compensation value, step d further include: provided according to the running time of the correcting display device and the statistical correction
The running time complexity curve of material the first color compensation value is the second color compensation value, which includes second color compensation
Value, the correcting display device is again with the second color compensation value correction；Wherein the running time is the sampling display device or should
The cumulative time of correcting display device running.
Preferably, step c further include: obtain multiple uploads from different time or multiple and different sampling display devices
Data；One is calculated along the corresponding time shaft to the running time according to multiple first color compensation values of multiple uplink data
Calibration curve；The step of being modified to the second color compensation value further include: certainly should according to the running time of the correcting display device
Calibration curve provides the second color compensation value.
Preferably, the sampling display device includes: the first display panel, the first backlight module and the first luminance detection list
Member；Step b further include: b1. drives first backlight module using the first brightness value；B2. the first luminance detection quantity of units
Survey the first brightness measuring value of first backlight module；B3. when the first brightness measuring value is less than the first normal brightness measuring value
When, it improves first brightness value, repeats step b2, until the first brightness measuring value is equal to the first normal brightness measuring value,
And noting down the variable quantity of first brightness value is the first brightness offset value；B4. aobvious to the sampling using the Picture Calibration device
The test pictures that showing device is shown measure the first color measuring value；B5. when the first color measuring value is not equal to the first reference colour
When coloured silk value, the color of first display panel is changed, repeats step b4, until the first color measuring value is equal to first standard
Color-values, and be the first color compensation value by the record of the amount of color variation of first display panel；And b6. is by first brightness
The running time of offset and the first color compensation value and the sampling display device records to the uplink data；Wherein should
Operate the cumulative time that the time is the sampling display device or the correcting display device operates.
Preferably, the correcting display device further includes the second backlight module and the second luminance detection unit；Step d it
Afterwards further include: d1. drives second backlight module using the second brightness value；D2. the second luminance detection unit from this second back
Optical mode group measures the second brightness measuring value；And d3. compares the second brightness measuring value and the second normal brightness measuring value obtains
Luminance difference improves second brightness value, until the second brightness measuring value is identical as the second normal brightness measuring value；d4.
The third color offset of the corresponding second normal brightness measuring value and the luminance difference is read in the downloaded data；And d5.
With the third color offset to the correcting display device compensating color.
In order to achieve the above objectives, the present invention separately provides a kind of sampling display device, and correction corresponding with Picture Calibration device should
Sampling display device includes: the first display panel, and to show test pictures, which detects the test pictures,
It corrects first display panel and generates uplink data；First access unit connects distal end data bank；And first processing it is single
Member connects first display panel and first access unit, when the Picture Calibration device correction sampling display device,
The Picture Calibration device connects the first processing units, which detects the test pictures and provide the first color amount
Measured value；When the first color measuring value is not equal to the first standard color value, which provides the first color compensation
Value corrects first display panel, and the revised first color measuring value is made to be equal to the first standard color value；This first
The first color compensation value is stored in the uplink data by processing unit, and will be on the uplink data via first access unit
Reach the distal end data bank.
Preferably, the sampling display device further include: the first backlight module；First luminance detection unit；And at first
Unit is managed, first backlight module and the first luminance detection unit are connected；When first backlight module is with the first brightness value
When driving, which measures the first brightness measuring value from first backlight module, when first brightness measures
When value is less than the first normal brightness measuring value, which improves first brightness value with the first brightness offset value, directly
It is equal to the first normal brightness measuring value to the first brightness measuring value；The first processing units store up first brightness offset value
It is stored in the uplink data.
In order to achieve the above objectives, the present invention separately provides a kind of correcting display device, comprising: the second display panel；And the
Two access units, connect distal end data bank, which has statistical correction data；Wherein second access unit certainly should
The statistical correction data of distal end data bank obtains downloaded data, and corrects second display panel according to the downloaded data；It should
Distal end data bank collects the multiple uplink datas uploaded with the display device of the second display panel same class display panel, and
The statistical correction data is generated according to multiple uplink data.
Preferably, the correcting display device further include: the second storage element, when storing the running of the correcting display device
Between, which obtains the running time from second storage element and is uploaded to the distal end data bank, which provides
Expect that library obtains the second color compensation value from the statistical correction data according to the running time, which includes second color
Offset, second display panel correct its color with the second color compensation value.
Preferably, the correcting display device further include: the second backlight module, when second access unit obtains correction money
When material, with the driving of the second brightness value；Second luminance detection unit measures the light that second backlight module is issued and provides second
Brightness measuring value；And processing unit, the second brightness measuring value is received, when the second brightness measuring value and luminance standard measure
When being worth different, so that the second brightness measuring value is improved luminance difference, make the second brightness measuring value and the luminance standard measuring value
Identical, which mends in the third color that the downloaded data reads corresponding luminance standard measurement measured value and the luminance difference
Value is repaid, with the third color offset to the correcting display device compensating color.
Compared with prior art, display device bearing calibration proposed by the invention can use distal end data bank and can mention
It is corrected for data for multiple same class display devices.Sampling display device proposed by the invention can provide data and provide for distal end
Expect that library generates statistical correction data, and allows other same class display devices to can produce data and corrected for correcting display device.This
Data correction can be obtained from distal end data bank by inventing proposed correcting display device.Whereby, display device realization can be reduced
Cost when calibration function.
Detailed description of the invention
Fig. 1 is the schematic diagram that correction system is shown in first embodiment of the invention；
Fig. 2 is the schematic diagram that display device is sampled in first embodiment of the invention；
Fig. 3 is to provide the method flow diagram of the first brightness offset value；
Fig. 4 is to provide the method flow diagram of the first color compensation value and uplink data；
Fig. 5 A, Fig. 5 B are the schematic diagrames of the statistical correction data of the embodiment of the present invention；
Fig. 6 A, Fig. 6 B are the schematic diagrames of the correcting display device of the embodiment of the present invention.
Specific embodiment
To make to have further understanding to the purpose of the present invention, construction, feature and its function, hereby cooperate embodiment detailed
It is described as follows.
Bearing calibration proposed by the invention can be applied in e.g. liquid crystal display device, organic light-emitting diode display
Device or micro-led display device preferably need that it is accurate periodically to reach the color correction of display device
The display device of color rendering effect.It below in an example, will be to be composed by display device and distal end data bank
System illustrates bearing calibration proposed by the invention, sampling display device and correcting display device to illustrate together.
Fig. 1 is please referred to, in the first embodiment of the present invention, display correction system 100 includes distal end data bank 130, more
A display device 140A, 140B and 140C and Picture Calibration device 120 with same class display panel.These display devices
140 display panel is, for example, liquid crystal display panel, but the present invention is not limited to the type of display panel, and display device 140A,
The display panel of 140B and 140C belongs to same class, preferably the display panel as made by same batch of material, processing procedure.Due to aobvious
Showing device 140A, 140B and 140C are the display device that same display panel is formed, and all can serve as sampling of the invention and show
Device or correcting display device.The present embodiment is sampling display device with display device 140A and display device 140B；With aobvious
Showing device 140C is for correcting display device.On the other hand, bearing calibration proposed by the invention is aobvious there is no sampling is limited
The quantity of showing device and correcting display device, in the present embodiment for example with two sampling display devices 140A, 140B and
For one correcting display device 140C.
Specifically, the bearing calibration of the present embodiment selects in the display device that these are formed by same class display panel
Display device 140A, 140B is sampling display device；Select display device 140C for correcting display device.Sample display device
140A is corrected via Picture Calibration device 120A and is generated uplink data UD1；Sampling display device 140B is filled via Picture Calibration
120B is set to correct and generate uplink data UD2.
These uplink datas UD1, UD2 is uploaded to distal end data bank 130 via e.g. Internet or Internet of Things, distal end
Data bank 130 is, for example, server；It is preferably, for example, the server unit positioned at genuine.Distal end data bank 130 is according on these
Biography data UD1, UD2 generates a statistical correction data SCD1, and wherein statistical correction data SCD1 includes that corresponding upload to these provides
The information for expecting UD1, UD2, more may include by these uplink datas UD1, UD2 calculated as a result, the invention is not limited thereto, with
Under will enumerate embodiment explanation.
Distal end data bank 130, which can provide to download data from statistical correction data SCD1, gives correcting display device 140C.It lifts
For example, the distal end data bank 130 of the present embodiment can be aobvious according to the corresponding downloading of the demand of correcting display device 140C, such as correction
Showing device 140C provide model, using parameter to distal end data bank 130, after being computed by statistical correction data SCD1 provide downloading
Data DD1 gives correcting display device 140C, allows these correcting display devices 140C as the downloaded data DD1 received by it
To correct.
Due to sampling display device 140A and 140B by Picture Calibration in the display of the present embodiment correction system 100
Uplink data caused by device 120A and 120B can be provided to distal end data bank 130, and distal end data bank 130 is via on these
Biography data generates statistical correction data, and generates to download data according to this statistical correction data and give correcting display device 140C.By
By the bearing calibration of the present embodiment, correcting display device 140C, which is not required to Picture Calibration device 120, can also correct picture, and due to
The display panel of the display panel and correcting display device 140C that sample display device 140A and 140B belongs to same class, therefore certainly
The downloaded data that distal end data bank provides can allow correcting display device 140 to carry out school for the decline of display panel at any time
Just, to maintain good display effect.
On the other hand, sampling display device 140A, 140B of the present embodiment respectively includes the element to upload to upload
Above-mentioned uplink data UD1, UD2.Specifically, the sampling display device 140A of the present embodiment includes the first display panel 141A
And the first access unit 142A；Sampling display device 140B includes the first display panel 141B and the first access unit
142B, wherein first access unit 142A, 142B is connected respectively to distal end data bank 130.
When Picture Calibration device 120A corrects the first display panel 141A of sampling display device 140A and generates upload money
When expecting UD1, display device 140A is sampled through the first access unit 142A, uplink data UD1 is uploaded to distal end data bank 130.Together
Sample, when Picture Calibration device 120B corrects the first display panel 141B and generates uplink data UD2, the first access unit 142B
Uplink data UD2 is uploaded to distal end data bank 130.First access unit 142A and the first access unit 142B is, for example, to pass through
Internet or Internet of Things are connected to distal end data bank 130, and the present invention is not limited between the first access unit and distal end data bank
Connection type.
Sampling display device 140A, 140B of the invention can upload upload money after correcting via Picture Calibration device 120
UD1, UD2 are expected to distal end data bank 130, and distal end data bank 130 establishes statistics school by these uplink datas UD1, UD2 is collected
Positive data SCD1, so that distal end data bank 130 can provide downloaded data DD1 by this statistical correction data SCD1 to supply other
Correcting display device 140C correction with same type display panel.
The correcting display device 140C of first embodiment of the invention also respectively includes that the element to download is above-mentioned to download
Downloaded data DD1.Specifically, the correcting display device 140C of the present embodiment includes the second display panel 141C and second
Access unit 142C, wherein the second access unit 142C is connected to distal end data bank 130.
Since the distal end data bank 130 of the present embodiment is collected and of a sort first display panel of the second display panel 141C
Uplink data UD1, UD2 that display device 140A, 140B of 141A, 141B are uploaded generate statistical correction data SCD1, unite
Counting correction data SCD1 more can generate downloaded data DD1 for the second display panel 141C.Correcting display device 140C can be with
From the statistical correction data SCD1 of distal end data bank 130 downloaded data DD1 is obtained via the second access unit 142C to correct the
Two display panel 141C.
Correcting display device 140C of the invention can obtain corresponding to the second display panel 141C's from distal end data bank
Downloaded data DD1, being not necessary to connect with Picture Calibration device 120 can correct by downloaded data DD1.Due to downloaded data DD1
From statistical correction data SCD1, and statistical correction data SCD1 is from the second display panel with correcting display device 140C
Produced by first display panel 141A, 141B of 141C same type, therefore the correcting display device corrected via downloaded data DD1
The second display panel 141C of 140C can maintain good display effect.
First access unit 142A, 142B described in above-described embodiment and the second access unit 142C can be passed through directly
Distal end data bank 130 is connected to by wired or wireless mode, can also be via above-mentioned these display devices 140A,
The external host that 140B, 140C are connected is connected to distal end data bank 130, and the present invention is not limited to access units and distal end to provide
Expect the connection type between library.
In the embodiment of the present invention described further below, above-mentioned sampling display device 140A, 140B and correction display
The detail technical features of device 140C.For sampling display device 140A, referring to figure 2., sampling display device 140A is also wrapped
The first backlight module 143A, the first luminance detection unit 144A and first processing units 145A are included, wherein first processing units
145A is adapted to be coupled to Picture Calibration device 120A.
The sampling display device 140A of the present embodiment is produced via first processing units 145A and Picture Calibration device 120A
Raw first color compensation value.Referring to figure 2., the light beam that the first backlight module 143A is issued can be via the first display panel 141A
Be formed as image strip L1, Picture Calibration device 120A can measure these images on the surface that image strip L1 forms image
Light beam L1 generates the first color measuring value.First processing units 145A compares this first color measuring value and the first standard color
Value.The first color measuring value and the first standard color value caused by the image strip L1 that Picture Calibration device 120A is measured
When different, first processing units 145A can repeat to adjust the color of the first display panel 141A, and again via Picture Calibration device
120A measurement, until the first color measuring value is identical as the first standard color value, and reaches the first mark in the first color measuring value
Being noted down when quasi- color-values according to the color change amount of the first display panel 141A is the first color compensation value.
The adjustment mode of the color of the first above-mentioned display panel 141A is, for example, to adjust in pixel to correspond to each color
Document signal voltage, that is, be applied to the voltage on pixel electrode；The money of three primary colors red, green, blue is preferably corrected respectively
Expect signal, that is, the first above-mentioned color compensation value includes the first red offset, the first green offset and the first blue
Offset will be described in detail for color compensation value again below.When the first color compensation value generates, the first processing is single
First color compensation value is stored in uplink data UD1 and is uploaded to above-mentioned distal end via the first access unit 142A by first 145A
Data bank 130.
The sampling display device 140A of the present embodiment can also generate the first brightness via the first luminance detection unit 144A
Offset.First luminance detection unit 144A is set in sampling display device 140A, is suitable for detecting and is come from the first backlight mould
The light L2 of group 143A simultaneously generates brightness measuring value.
When the first backlight module 143A is driven with the first brightness value, the first luminance detection unit 144A is from the first backlight mould
Group 143A measures the first brightness measuring value.When the first brightness measuring value is less than corresponding the first normal brightness value to the first brightness value
When, first processing units 145A improves the first brightness value, and it is bright then by the first luminance detection unit 144A to measure first again again
Measure measured value.First processing units 145A repeats the first brightness value of adjustment and measures new the through the first luminance detection unit 144A
One brightness measuring value, until the first brightness measuring value is equal to the first normal brightness value, first processing units 145A is bright by first again
The variable quantity record of angle value is the first brightness offset value, and the first brightness offset value is stored in uplink data.In other words,
One processing unit 145A will be supplied to the first brightness value of the first backlight module 143A by the correction of the first brightness offset value, make the
The light that one backlight module 143A is issued maintains identical brightness, quality.
Furthermore, when the sampling display device 140A of the present embodiment is in correction the first display panel 141A and first
When backlight module 143A, substantially first corrects the first backlight module 143A and correct the first display panel 141A again.Please refer to figure
3, it depicts above-mentioned correct using Picture Calibration device 120A in first embodiment and samples display device 140A to generate upload
The process of the bearing calibration of data.When sampling display device 140A starts timing, first processing units 145A is with the first brightness
Value the first backlight module 143A (step S11) of driving, allows the first luminance detection unit 144A to measure from the first backlight module 143A
First brightness measuring value (step S12).From after the first luminance detection unit 144A the first brightness measuring value of acquirement, it is bright to compare first
Whether identical (step S13) as the first normal brightness value measured value is measured, wherein the first normal brightness value is, for example, to sample display dress
It sets 140A and the first brightness measuring value measured by the first backlight module 143A is driven with the first brightness value when leaving the factory.
When the first brightness measuring value is lower than the first normal brightness value, representing the first backlight module 143A has material deterioration inside to lead
Show low when the brightness ratio factory when driving of the first brightness value.At this point, improving the first brightness value (step S14) to drive the first back
Optical mode group 143A is then measured again with the first luminance detection unit 144A and is obtained the first new brightness measuring value.The present embodiment
First processing units 145A repeat above-mentioned step S12, S13 and S14 until the first brightness measuring value and the first standard are bright
Angle value is identical, then the numerical value record for the first brightness value that current timing is improved is the first brightness offset value (step S15).
After obtaining the first brightness offset value, the correction of color is then carried out again.
Referring to figure 4., in the present embodiment, after obtaining the first brightness offset value, the first display panel 141A shows a survey
It tries picture (step S21), wherein test pictures include the default grayscale value numerical value that set the first display panel 141A and pre-
If setting the test brightness value of the first backlight module 143A.Picture Calibration device 120A can be shown from sampling display device 140A
The test pictures shown measure the first color measuring value (step S22), and first processing units 145A takes from Picture Calibration device 120A
Whether compare the first color measuring value after the first color measuring value identical (step S23) as the first standard color value, wherein the
One standard color value is, for example, to sample display device to show the first color measuring value measured when test pictures when leaving the factory.
When the first color measuring value and the first standard color value difference, the material for representing the first display panel 141A has consumption
Different when damage is led or aging transmittance is from factory, first processing units 145A adjusts the first display panel 141A (step at this time
S24).In the bearing calibration of the present embodiment, the adjustment mode of the first display panel 141A is, for example, to adjust the first display surface of driving
Voltage strength of the plate 141A to be applied to pixel electrode.Then, first processing units 145A is again through Picture Calibration device 120A
Obtain the first new color measuring value.First processing units 145A repeats above-mentioned step S22, S23 and S24 until the first color
Color measuring value is identical as the first standard color value, and first processing units 145A is according to the current tune for correcting the first display panel 141A
Integer value generates the first color compensation value.
Via above-mentioned steps, first processing units 145A successively obtains the first brightness offset value and the first color compensation
Value, and uplink data is provided to above-mentioned distal end data bank 130 (step S26) according to these offsets.In the present embodiment, on
Biography data can also include the first brightness offset value and the first color compensation value for example including the first color compensation value simultaneously,
The invention is not limited thereto.
On the other hand, the sampling display device 140A of the present embodiment further includes the first storage element 146A, is taken to store
The running time of sample display device 140A, that is, display device 140A is sampled after factory or after purchase, after opening for the first time
The accumulative display time.First processing units 145A obtains the above-mentioned running time from the first storage element 146A to be stored in
Biography data makes each of uplink data the first colorimetric compensation value have the corresponding running time.First storage of the present embodiment
Memory cell 146A is additionally coupled to the sequential control circuit (Timing Controller) of sampling display device 140A for example to obtain
The time is operated, however, the present invention is not limited thereto, one skilled in the art can be using the record of existing related elements, acquirement
Sample the running time of display device 140A.
In the first embodiment of the present invention, distal end data bank 130 can generate statistical correction data after obtaining uplink data
SCD1.For example, A referring to figure 5., such as by taking the color compensation value of a wherein primary colors as an example, the distal end data of the present embodiment
Library 130 for example obtains running time difference from above-mentioned sampling display device 140A or sampling display device 140B in different time
For the first color compensation value C1, C3 and C6 of t1, t3 and t6, then statistical correction data SCD1 is just for example comprising this three groups of moneys
Material.
In the correcting mode of the present embodiment, in distal end, data bank 130 will provide downloaded data to above-mentioned correction display
Before device 140C, model and the running time of these correcting display devices can be first obtained.According to these correcting display devices
Model and running time and running time complexity curve the first color compensation value C1, C3 in statistical correction data SCD1 or C6 are the
Two color compensation values to correct for correcting display device 140.
For example, A referring to figure 5., when the running time of above-mentioned correcting display device 140C being respectively t2, this reality
Applying the bearing calibration of example, to can use e.g. interpolation method corresponding to the second color compensation value C2 for operating time t2 to correct out.
Second color compensation value C2 is supplied to correcting display device 140C to correct, so that the display panel of correcting display device 140C
It can maintain good picture quality.Statistical correction data SCD1, correcting display device 140C based on the present embodiment can be with
The second color compensation value C4, C5 is obtained from statistical correction data SCD1 in different running time t4, t5, can also allow correction
Display device 140C executes colour correction periodically or non-periodically.
The statistical correction data SCD1 of the embodiment of the present invention is not limited to above-mentioned embodiment.For example, it is provided in distal end
Material library 130 obtained these the first color compensation values and after corresponding running time, the bearing calibration of the embodiment of the present invention
A calibration curve can also be calculated along the corresponding time shaft to the running time for these data.B referring to figure 5., with three
For first color compensation value, for example there is the running time in the red compensation of t1 in the uplink data that distal end data bank 130 is collected
Value R1, green offset G1, blue offset B1, running time mend in the red offset R2, green offset G2, blue of t2
Repay value B2, red offset R3, green offset G3, blue offset B3 of the running time in t3, by e.g. recurrence point
Analysis or curve matching obtain red-correction curve LR, green correction curve LG and blue-correction curve to be based on these data
LB。
The statistical correction data SCD1 of distal end data bank 130 includes these calibration curves LR, LG and LB, when distal end data
Library 130 is from after the running time that above-mentioned correcting display device 140 obtains correcting display device 140, so that it may according to these schools
Positive curve LR, LG and LB provide corresponding second color compensation value.
Furthermore, after obtaining these calibration curves LR, LG and LB, statistical correction data SCD1 more can basis
These calibration curves LR, LG and LB estimate the second following color compensation value, that is, the display of these same type display panels
The second color compensation value in device after maximum running time tn.
In an embodiment of the present invention, distal end data bank 130 more can be directly straight by above-mentioned statistical correction data SCD1
It connects and is supplied to correcting display device 140 as downloaded data, below illustrate collocation correcting display device 140C together.
By taking above-mentioned correcting display device 140C as an example, Fig. 6 A is please referred to, in the first embodiment of the present invention, correction is aobvious
Showing device 140C includes the second display panel 141C, the second access unit 142C, the second backlight module 143C, the second processing unit
145C and the second storage element 146C.The running time of second storage element 146C storage correcting display device 140C, second
Processing unit 145C can obtain the running time from the second storage element 146C and be supplied to distal end data bank 130.
The second processing unit 145C provide running the time to distal end data bank 130 after, distal end data bank 130 for example more than
The mode stated, which provides, includes that the downloaded data of the second color compensation value gives correcting display device 140C, and the second processing unit
145C corrects the second display panel 141C with this second color compensation value, come identical when making to show that light L3 can have with factory
Quality.Specifically, the second processing unit 145C corrects the second display panel to control light transmission by the second color compensation value
The voltage value of the show electrode of degree.
On the other hand, when the uplink data from above-mentioned sampling display device 140A, 140B includes the first luminance compensation
When value, distal end data bank 130 can also be embedded in statistical correction data SCD1 according to the running time according to above-mentioned mode, and unite
Counting correction data SCD1 can also be second bright according to the first brightness offset value of running time complexity curve of correcting display device 140C
Spend offset.It, can be with the when the second processing unit 145C obtains the second brightness offset value via the second access unit 142C
Two brightness offset values correct the second backlight module 143C.
The present invention is also not limited to the mode of above-mentioned correction correcting display device 140C, in other embodiments, correction display
Device 140C more can be provided directly through the downloading that the second access unit 142C acquirement includes above-mentioned statistical correction data SCD1
Material, the second processing unit 145C further according to running time complexity curve statistical correction data SCD1 in the first color compensation value, or
The second color compensation value is obtained according to the calibration curve in statistical correction data SCD1.That is, the school of the embodiment of the present invention
Positive display device 140C directly can also carry out the second processing unit at itself from 130 download statistics of distal end data bank correction data
It corrects or calculates in 145C and is corresponding to the second color compensation value for operating the time.
It can be seen from the above, including and above-mentioned first display via the statistical correction data SCD1 in distal end data bank 130
The correcting display device 140C of the identical second display panel 140C of panel 141A can be directly with the second color in downloaded data
Color offset corrects the second display panel 141C, more can correct the second backlight according to the second brightness offset value in downloaded data
Mould group 143C.However, correcting display device proposed by the invention is not limited to correcting display device 140C, Fig. 6 B is please referred to,
In the other embodiment of the present invention, correcting display device 240C not only includes the second display panel 241C, the second access unit
242C, the second backlight module 243C, the second processing unit 245C and the second storage element 246C, further include the second luminance detection
Unit 244C.
When second backlight module 243C is driven with the second brightness value, the second luminance detection unit 244C, which can be measured directly, to be come
It receives the second brightness from the light L5 and the second brightness measuring value of offer, the second processing unit 245C of the second backlight module 243C and measures
Whether value is different from the second luminance standard measuring value to compare.When the two difference, the second brightness value is improved, until the second backlight
The after the adjustment that mould group 242C is measured by the second luminance detection unit 244C with the light L5 that the second brightness value for improving issues
Two brightness measuring values are identical as the second luminance standard measuring value.At the same time it can also aobvious by the second color compensation value correction second
Show panel 241C to make to show that light L4 has good quality.
The correcting display device 240C of the present embodiment can also be after by the second luminance detection unit 244C correcting luminance
One luminance difference is provided, then third color is obtained in statistical correction data based on this luminance difference and the second luminance standard measuring value
Color offset corrects the second display panel 241C.In other words, the bearing calibration of the present embodiment can also be according to the second backlight
The brightness adjustment amount of mould group provides suitable color compensation, to provide good Picture Calibration effect.
In other words, it is aobvious can be applied to the correction with self brightness correcting function for bearing calibration proposed by the invention
Showing device and correcting display device without self brightness correcting function, and provide downloaded data appropriate respectively to correct
Second display panel.
In conclusion bearing calibration proposed by the invention can be by sampling display device and Picture Calibration device institute
The uplink data of generation has to generate statistical correction data via statistical correction data generation downloaded data to correct other
The correcting display device of same type display panel can also further provide for luminance compensation according to the demand of correcting display device
Value corrects backlight module.Sampling display device proposed by the invention can arrange in pairs or groups Picture Calibration device provide uplink data supply
Distal end data bank generates statistical correction data, so that correcting display device proposed by the invention can take from statistical correction device
Suitable downloaded data download.
The present invention is described by above-mentioned related embodiment, however above-described embodiment is only to implement example of the invention.
It must be noted that the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, do not depart from spirit of the invention and
It is changed and retouched made by range, belongs to scope of patent protection of the invention.
Claims (10)
1. a kind of bearing calibration of display device, which is characterized in that comprising steps of
A. at least one sampling display device of the display device selection of multiple same class display panels；
B. the sampling display device is corrected using Picture Calibration device, and generates uplink data；
C. the uplink data is uploaded to distal end data bank, which generates statistical correction data according to the uplink data；
And
D. a correcting display device is selected in the display device of multiple same class display panel, the distal end data bank is from the statistics
Correction data is provided to download data and be corrected to the correcting display device.
2. bearing calibration as described in claim 1, which is characterized in that the uplink data and the statistical correction data include the
One color offset and running time relative to the first color compensation value, step d further include:
Running time and the running time complexity curve of the statistical correction data first color compensation according to the correcting display device
Value is the second color compensation value, which includes the second color compensation value, and the correcting display device is again with second color
Color offset correction；
Wherein the running time is the sampling display device or the cumulative time that the correcting display device operates.
3. bearing calibration as claimed in claim 2, which is characterized in that step c further include:
Multiple uplink datas are obtained from different time or multiple and different sampling display devices；
One is calculated along the corresponding time shaft to the running time according to multiple first color compensation values of multiple uplink data
Calibration curve；
The step of being modified to the second color compensation value further include:
The second color compensation value is provided from the calibration curve according to the running time of the correcting display device.
4. bearing calibration as described in claim 1, which is characterized in that the sampling display device includes:
First display panel, the first backlight module and the first luminance detection unit；
Step b further include:
B1. first backlight module is driven using the first brightness value；
B2. the first brightness measuring value of the first luminance detection unit measuring first backlight module；
B3. when the first brightness measuring value is less than the first normal brightness measuring value, first brightness value is improved, repeats step
B2, until the first brightness measuring value be equal to the first normal brightness measuring value, and by the variable quantity of first brightness value note down
For the first brightness offset value；
B4. the first color measuring value is measured to the test pictures that the sampling display device is shown using the Picture Calibration device；
B5. when the first color measuring value is not equal to the first standard color value, the color of first display panel is changed, is repeated
Step b4, until the first color measuring value is equal to the first standard color value, and by the color change of first display panel
Amount record is the first color compensation value；And
B6. the running time of first brightness offset value and the first color compensation value and the sampling display device is recorded
To the uplink data；
Wherein the running time is the sampling display device or the cumulative time that the correcting display device operates.
5. bearing calibration as described in claim 1, which is characterized in that the correcting display device further include the second backlight module with
And the second luminance detection unit；After step d further include:
D1. second backlight module is driven using the second brightness value；
D2. the second luminance detection unit measures the second brightness measuring value from second backlight module；And
D3. compare the second brightness measuring value and the second normal brightness measuring value obtain luminance difference, improve second brightness value,
Until the second brightness measuring value is identical as the second normal brightness measuring value；
D4. the third color offset of the corresponding second normal brightness measuring value and the luminance difference is read in the downloaded data；
And
D5. with the third color offset to the correcting display device compensating color.
6. a kind of sampling display device, correction corresponding with Picture Calibration device, which is characterized in that the sampling display device includes:
First display panel, to show test pictures, which detects the test pictures, corrects first display
Panel simultaneously generates uplink data；
First access unit connects distal end data bank；And
First processing units connect first display panel and first access unit, when the Picture Calibration device correction should
When sampling display device, which connects the first processing units, which detects the test pictures
And provide the first color measuring value；
When the first color measuring value is not equal to the first standard color value, which provides the first color compensation value
First display panel is corrected, the revised first color measuring value is made to be equal to the first standard color value；
The first color compensation value is stored in the uplink data by the first processing units, and should via first access unit
Uplink data is uploaded to the distal end data bank.
7. sampling display device as claimed in claim 6, which is characterized in that further include:
First backlight module；
First luminance detection unit；And
First processing units connect first backlight module and the first luminance detection unit；
When first backlight module is driven with the first brightness value, which measures from first backlight module
First brightness measuring value, when the first brightness measuring value is less than the first normal brightness measuring value, the first processing units are with
One brightness offset value improves first brightness value, until the first brightness measuring value is equal to the first normal brightness measuring value；
First brightness offset value is stored in the uplink data by the first processing units.
8. a kind of correcting display device characterized by comprising
Second display panel；
And
Second access unit, connects distal end data bank, which has statistical correction data；
Wherein second access unit obtains downloaded data from the statistical correction data of the distal end data bank, and according to the downloading
Data correction second display panel；
The distal end data bank collects the multiple uploads uploaded with the display device of the second display panel same class display panel
Data, and the statistical correction data is generated according to multiple uplink data.
9. correcting display device as claimed in claim 8, which is characterized in that further include:
Second storage element stores the running time of the correcting display device, and second access unit is from second storage element
It obtains the running time and is uploaded to the distal end data bank, the distal end data bank is according to the running time from the statistical correction data
The second color compensation value is obtained, which includes the second color compensation value, and second display panel is with second color
Offset corrects its color.
10. correcting display device as claimed in claim 8, which is characterized in that further include:
Second backlight module, when second access unit obtains the correction data, with the driving of the second brightness value；
Second luminance detection unit measures the light that second backlight module is issued and provides the second brightness measuring value；And
Processing unit receives the second brightness measuring value, when the second brightness measuring value and luminance standard measuring value difference, makes
The second brightness measuring value improves luminance difference, keeps the second brightness measuring value identical as the luminance standard measuring value, the processing
Unit reads the third color offset of the corresponding luminance standard measurement measured value and the luminance difference in the downloaded data, with this
Three color compensation values are to the correcting display device compensating color.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113450736A (en) * | 2020-03-25 | 2021-09-28 | 苏州佳世达电通有限公司 | Display correction system and display correction method |
| CN114141206A (en) * | 2021-12-10 | 2022-03-04 | Tcl华星光电技术有限公司 | Backlight correction method, related device and storage medium |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010008418A1 (en) * | 2000-01-13 | 2001-07-19 | Minolta Co., Ltd. | Image processing apparatus and method |
| JP2002077616A (en) * | 2000-08-31 | 2002-03-15 | Canon Inc | Image processing method and apparatus, and recording medium |
| CN1860512A (en) * | 2004-06-18 | 2006-11-08 | 株式会社东芝 | Video display device and luminance characteristic correcting method of video display device |
| JP2007004675A (en) * | 2005-06-27 | 2007-01-11 | Fujifilm Holdings Corp | Image correcting method |
| CN101866621A (en) * | 2010-06-03 | 2010-10-20 | 北京中庆微数字设备开发有限公司 | LED display screen correction system and method |
| CN101996612A (en) * | 2009-08-12 | 2011-03-30 | 联咏科技股份有限公司 | Correction method for enhancing brightness uniformity of display device and relevant device |
| CN201868072U (en) * | 2009-09-01 | 2011-06-15 | 惠州市德赛智能科技有限公司 | System for correcting brightness and chroma dot by dot on site for whole LED (Light-Emitting Diode) display screen |
| CN103778887A (en) * | 2013-03-21 | 2014-05-07 | 西安电子科技大学 | Method and device for correcting brightness of LED display device |
| CN104064147A (en) * | 2014-06-25 | 2014-09-24 | 西安诺瓦电子科技有限公司 | LED display screen brightness and chrominance correction method and LED box brightness and chrominance correction method |
| CN106023954A (en) * | 2016-06-01 | 2016-10-12 | 厦门天马微电子有限公司 | Correcting method for gray scale brightness and chroma of display device |
| US20170041547A1 (en) * | 2015-08-05 | 2017-02-09 | Canon Kabushiki Kaisha | Image shake correction device, control method, and image pickup apparatus |
| CN106662484A (en) * | 2015-04-24 | 2017-05-10 | 华为技术有限公司 | Calibration method and apparatus for brightness detection value and chrominance detection value of optical camera |
| CN107799055A (en) * | 2017-11-13 | 2018-03-13 | 长春希达电子技术有限公司 | A kind of bearing calibration of LED display based on object of reference |
| CN107808641A (en) * | 2017-10-27 | 2018-03-16 | 苏州佳世达电通有限公司 | Display device and color correcting method |
-
2018
- 2018-06-22 CN CN201810654452.XA patent/CN108962184B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010008418A1 (en) * | 2000-01-13 | 2001-07-19 | Minolta Co., Ltd. | Image processing apparatus and method |
| JP2002077616A (en) * | 2000-08-31 | 2002-03-15 | Canon Inc | Image processing method and apparatus, and recording medium |
| CN1860512A (en) * | 2004-06-18 | 2006-11-08 | 株式会社东芝 | Video display device and luminance characteristic correcting method of video display device |
| JP2007004675A (en) * | 2005-06-27 | 2007-01-11 | Fujifilm Holdings Corp | Image correcting method |
| CN101996612A (en) * | 2009-08-12 | 2011-03-30 | 联咏科技股份有限公司 | Correction method for enhancing brightness uniformity of display device and relevant device |
| CN201868072U (en) * | 2009-09-01 | 2011-06-15 | 惠州市德赛智能科技有限公司 | System for correcting brightness and chroma dot by dot on site for whole LED (Light-Emitting Diode) display screen |
| CN101866621A (en) * | 2010-06-03 | 2010-10-20 | 北京中庆微数字设备开发有限公司 | LED display screen correction system and method |
| CN103778887A (en) * | 2013-03-21 | 2014-05-07 | 西安电子科技大学 | Method and device for correcting brightness of LED display device |
| CN104064147A (en) * | 2014-06-25 | 2014-09-24 | 西安诺瓦电子科技有限公司 | LED display screen brightness and chrominance correction method and LED box brightness and chrominance correction method |
| CN106662484A (en) * | 2015-04-24 | 2017-05-10 | 华为技术有限公司 | Calibration method and apparatus for brightness detection value and chrominance detection value of optical camera |
| US20170041547A1 (en) * | 2015-08-05 | 2017-02-09 | Canon Kabushiki Kaisha | Image shake correction device, control method, and image pickup apparatus |
| CN106023954A (en) * | 2016-06-01 | 2016-10-12 | 厦门天马微电子有限公司 | Correcting method for gray scale brightness and chroma of display device |
| CN107808641A (en) * | 2017-10-27 | 2018-03-16 | 苏州佳世达电通有限公司 | Display device and color correcting method |
| CN107799055A (en) * | 2017-11-13 | 2018-03-13 | 长春希达电子技术有限公司 | A kind of bearing calibration of LED display based on object of reference |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113450736A (en) * | 2020-03-25 | 2021-09-28 | 苏州佳世达电通有限公司 | Display correction system and display correction method |
| CN114141206A (en) * | 2021-12-10 | 2022-03-04 | Tcl华星光电技术有限公司 | Backlight correction method, related device and storage medium |
| CN114141206B (en) * | 2021-12-10 | 2023-05-09 | Tcl华星光电技术有限公司 | Backlight correction method, related device and storage medium |
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| Publication number | Publication date |
|---|---|
| CN108962184B (en) | 2021-08-03 |
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