CN107132675A - A kind of LCD MODULE（LCM）And viewing ratio determines method - Google Patents
A kind of LCD MODULE（LCM）And viewing ratio determines method Download PDFInfo
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- CN107132675A CN107132675A CN201710338262.2A CN201710338262A CN107132675A CN 107132675 A CN107132675 A CN 107132675A CN 201710338262 A CN201710338262 A CN 201710338262A CN 107132675 A CN107132675 A CN 107132675A
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- screen size
- viewing
- viewing ratio
- fatigue
- beholder
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The present invention provides a kind of viewing ratio and determines method, and methods described includes：The screen size of detection LCD monitor；Viewing ratio is determined according to the screen size of liquid crystal display.The present invention also provides a kind of LCD MODULE, including：Liquid crystal display, for the control output display image according to LCD controller；Screen size detection module, the screen size for detection LCD monitor；Memory cell, the mapping table for storing screen size and viewing ratio；Printed substrate and back light unit；LCD controller, for controlling liquid crystal display output display image, and the screen size query screen size and the mapping table of viewing ratio measured according to screen size detection module, determines viewing ratio.
Description
Technical field
The present invention relates to image display arts, more particularly to a kind of LCD MODULE (LCM) and viewing ratio it is true
Determine method.
Background technology
21 century is the liquid crystal display wide variety of epoch, and liquid crystal display device market starts to be skyrocketed through.Mesh
The liquid crystal display (Liquid Crystal Display, abbreviation LCD) that preceding in the market is largely used mainly has film supertwist
Nematic (FSTN), colorful ultra-twist nematic (CSTN) and thin film transistor (TFT) (TFT).Wherein CSTN types are mainly used in small chi
Very little LCD shows that such as MP3, MP4, mobile phone are shown.The CSTN products of in the market are all with LCD MODULE (Liquid
Crystal Module, abbreviation LCM) form occur, it is by liquid crystal display, LCD controller, flexible printed wiring
Plate, back light unit composition.LCD controller by instruction system, adjustment be applied to voltage on pixel, phase, frequency,
The series of parameters such as peak value, virtual value, sequential, dutycycle, characteristic set up certain drive condition, realize various display effects
Really.
But, with LCM extensive use, increasing people needs viewing display for a long time, if apart from display
Device is too near, can cause the infringement to eyesight.
Prior art has proposed the position of detection human eye range display, so that when human eye range display is excessively near
The technology of alarm signal is sent, so that the eyesight of the people of protection.
Prior art also teaches a kind of technology for making display image adapt to viewing distance, when the distance for detecting beholder
During more than preset distance, display picture is amplified according to the distance detected automatically and the brightness of picture is improved, when detecting viewing
When the distance of person is less than preset distance, display picture is reduced according to the distance detected automatically and the brightness of picture is reduced, so,
User can more easily control watch display picture.
But, it is above-mentioned that the prior art is defective.For different liquid crystal displays, viewing ratio is not
With.Different viewing ratios are not set for different liquid crystal displays in the prior art.
In addition, different according to the degree of fatigue of beholder's eyes, viewing ratio is different.And in the prior art,
Viewing ratio is preset only in accordance with experience, the viewing ratio so set is often inaccurate.
The content of the invention
The present invention is intended to provide a kind of LCD MODULE (LCM) and viewing ratio determine method, can be according to not
The liquid crystal display of same type determines viewing ratio.The present invention is also determined further directed to the degree of fatigue of beholder
Viewing ratio.
Method is determined there is provided a kind of viewing ratio according to one aspect of the present invention, methods described includes following step
Suddenly：
S101, the screen size of detection LCD monitor；
S102, viewing ratio is determined according to the screen size of liquid crystal display.
Method is determined there is provided a kind of viewing ratio according to another aspect of the present invention, methods described includes following
Step：
S201, the screen size of detection LCD monitor；
S202, viewing ratio is determined according to the screen size of liquid crystal display；
S203, detects the degree of fatigue of beholder's eyes, determines level of fatigue；
S204, correction coefficient is calculated according to the level of fatigue of beholder's eyelid；
S205, is corrected using correction coefficient to viewing ratio, the viewing ratio after being corrected.
Wherein, it is distributed by the pel array of liquid crystal display and combines the length-width ratio of detection screen to detect liquid crystal display
The screen size of device, or read the hardware information of liquid crystal display to know the screen size of liquid crystal display.
Wherein, the mapping table of screen size and viewing ratio is predefined, passes through determination viewing ratio of tabling look-up.
Wherein, by detecting the redness degree of beholder's eyes, the number of winks in the unit interval, eyelid accounts for whole eye
Area ratio determine the degree of fatigue of beholder's eyelid, and determine corresponding level of fatigue.
Wherein, correction coefficient is directly proportional to level of fatigue.
Wherein, the eyes of beholder are more tired, and the viewing ratio after correction is bigger.
Further, methods described also includes the actual viewing distance of detection beholder, and with the optimal viewing of determination away from
From being compared, when the actual viewing distance of detection is less than viewing ratio, acousto-optic hint is sent to beholder.
According to another aspect of the present invention there is provided a kind of LCD MODULE, including：
Liquid crystal display, for the control output display image according to LCD controller.
Screen size detection module, the screen size for detection LCD monitor.
Memory cell, the mapping table for storing screen size and viewing ratio.
Printed substrate and back light unit.
LCD controller, for controlling liquid crystal display output display image, and according to screen size detection module
The screen size query screen size and the mapping table of viewing ratio measured, determines viewing ratio.
Further, LCD MODULE also include level of fatigue detection module, for detect beholder eyes it is tired
Labor degree, determines level of fatigue.The level of fatigue that LCD controller is determined according to level of fatigue detection module, which is calculated, to be corrected
Coefficient, is corrected according to correction coefficient to viewing ratio.
Further, LCD MODULE also includes viewing distance detection module and acousto-optic reminding module, viewing distance inspection
To survey module be used to detecting the actual viewing distance of beholder, and LCD controller is by the actual viewing distance of detection with determining
Viewing ratio is compared, and when the actual viewing distance of detection is less than viewing ratio, acousto-optic hint module is to sight
The person of seeing sends acousto-optic hint.
The beneficial effects of the invention are as follows can determine viewing ratio, also according to different types of liquid crystal display
Viewing ratio can be determined according to the degree of fatigue of beholder, so as to protect the eyesight of beholder.
Brief description of the drawings
Fig. 1 shows that beholder watches the schematic diagram of different types of liquid crystal display；
Fig. 2 shows the flow chart for the method that viewing ratio is determined according to the first embodiment of the present invention；
Fig. 3 shows the flow chart for the method that viewing ratio is determined according to second embodiment of the present invention；
Fig. 4 shows the structure chart of LCD MODULE according to the embodiment of the present invention.
Embodiment
Embodiments of the present invention provide a kind of LCD MODULE and viewing ratio determines method, for basis
Different types of liquid crystal display determines viewing ratio, and optimal sight can also be determined according to the degree of fatigue of beholder
Distance is seen, so as to protect the eyesight of beholder.
The technical scheme that embodiments of the present invention are provided is illustrated below in conjunction with the accompanying drawings.
Fig. 1 shows that beholder watches the schematic diagram of different types of liquid crystal display.For larger display screen
Speech, such as projection screen, video screen, the viewing distance of beholder is generally larger；For less screen, such as desktop computer
Screen, notebook computer screen, tablet personal computer screen, the viewing distance of beholder is generally smaller；And for mobile phone screen, viewing
The viewing distance of person is then smaller.Based on principles above, it is proposed that embodiments of the present invention.
Reference picture 2, determines that method comprises the following steps according to the viewing ratio of the first embodiment of the present invention：
S101, the screen size of detection LCD monitor.
In the embodiment of the present invention, it can be distributed by the pel array of liquid crystal display and combine detection screen
Length-width ratio carry out the screen size of detection LCD monitor, the hardware information of liquid crystal display can also be read to know liquid crystal
Show the screen size of device.
S102, viewing ratio is determined according to the screen size of liquid crystal display.
Specifically, determination viewing ratio of tabling look-up can be passed through.Different size of screen can be predefined by experiment
Viewing ratio corresponding to curtain size, forms mapping table, and storage in memory, is read out when needed.
According to the method for the first embodiment of the present invention, it can be determined according to different types of liquid crystal display optimal
Viewing distance.
In addition, different according to the degree of fatigue of beholder's eyes, viewing ratio is different.For example, beholder's eye
When eyeball is not also tired, it is adapted to the distance viewing in relative close, and work as beholder causes eye because of viewing liquid crystal display for a long time
When eyeball is tired, it is adapted in distance viewing relatively far away from.Different optimal viewings are set according to the degree of fatigue of beholder's eyes
Distance, can mitigate the sense of fatigue of beholder.
Reference picture 3, determines that method comprises the following steps according to the viewing ratio of second embodiment of the present invention：
S201, the screen size of detection LCD monitor.
In the embodiment of the present invention, in the mode of the screen size of detection LCD monitor and previous embodiment
It is identical.
S202, viewing ratio is determined according to the screen size of liquid crystal display.
Specifically, determination viewing ratio of tabling look-up can be passed through.
S203, detects the degree of fatigue of beholder's eyes, determines level of fatigue.
Specifically, degree of fatigue is divided into multiple level of fatigue, can be by detecting redness degree, the unit of beholder's eyes
Number of winks in time, eyelid accounts for the area ratio of whole eye to determine the degree of fatigue of beholder's eyelid, and determines phase
The level of fatigue answered.
S204, correction coefficient is calculated according to the level of fatigue of beholder's eyelid.
Specifically, correction coefficient can be directly proportional to level of fatigue, that is to say, that the eyes of beholder are more tired, correction
Coefficient is bigger.
S205, is corrected using correction coefficient to viewing ratio, the viewing ratio after being corrected.
For the viewing ratio after correction, the eyes of beholder are more tired, and viewing ratio is bigger.
According to the method for second embodiment of the present invention, it can be determined according to different types of liquid crystal display optimal
Viewing distance, and viewing ratio is corrected according to the degree of fatigue of beholder's eyes, obtain more accurately optimal see
See distance.
Further, the present invention can also detect the actual viewing distance of beholder, and with determining according to the method described above
Viewing ratio is compared, and when the actual viewing distance of detection is less than viewing ratio, acousto-optic is sent to beholder
Prompting.
Referring to Fig. 4, LCD MODULE according to the embodiment of the present invention includes：
Liquid crystal display, for the control output display image according to LCD controller.
Screen size detection module, the screen size for detection LCD monitor.Can be by the picture of liquid crystal display
The length-width ratio of primitive matrix column distribution and combination detection screen carrys out the screen size of detection LCD monitor, can also read liquid crystal display
The hardware information of device knows the screen size of liquid crystal display.
Memory cell, the mapping table for storing screen size and viewing ratio.
Printed substrate and back light unit.
LCD controller, for controlling liquid crystal display output display image, and according to screen size detection module
The screen size query screen size and the mapping table of viewing ratio measured, determines viewing ratio.
Further, LCD MODULE of the invention may also include level of fatigue detection module, for detecting beholder
Eyes degree of fatigue, determine level of fatigue.Degree of fatigue is divided into multiple level of fatigue, can be by detecting beholder's eyes
Redness degree, the number of winks in the unit interval, eyelid accounts for the area ratio of whole eye to determine the tired of beholder's eyelid
Labor degree, and determine corresponding level of fatigue.
The level of fatigue that LCD controller is determined according to level of fatigue detection module calculates correction coefficient, according to correction
Coefficient is corrected to viewing ratio.
Further, LCD MODULE of the invention may also include viewing distance detection module and acousto-optic reminding module,
Viewing distance detection module is used to detecting the actual viewing distance of beholder, LCD controller by the actual viewing of detection away from
It is compared from the viewing ratio with determination, when the actual viewing distance of detection is less than viewing ratio, acousto-optic is carried
Show that module sends acousto-optic hint to beholder.
In summary, the invention provides a kind of screen size according to liquid crystal display, optimal viewing is automatically determined
The technology of distance, so that screen size is adapted with viewing distance, enables users to more easily control watch display picture.
Although in terms of having been described for some in the context of device, it is apparent that these aspects also illustrate that corresponding method
Description, wherein block or apparatus and method for step or the feature of method and step be corresponding.Similarly, in the context of method and step
Described in each side also illustrate that the description of corresponding piece or project or the feature of corresponding intrument.(or use) can be passed through
One in method and step is performed such as the hardware unit of micro- LCD controller, programmable calculator or electronic circuit etc
It is a little or all.Can be performed by such device in most important method and step some or it is multiple.
The realization can using hardware or using software or can use for example floppy disk, DVD, blue light, CD, ROM,
PROM, EPROM, EEPROM's or flash memory etc there is the stored digital for being stored in electronically readable control signal thereon to be situated between
Matter, the electronically readable control signal coordinates (or can coordinate with it) to cause execution corresponding with programmable computer system
Method.The data medium with electronically readable control signal can be provided, the electronically readable control signal can be with may be programmed
Computer system coordinates to perform approach described herein.
The realization can also use the form of the computer program product with program code, work as computer program product
When running on computers, program code is operated to perform this method.Can in machine-readable carrier storage program generation
Code.
Described above be only it is illustrative, and it is to be understood that it is described herein arrangement and details modification and
Change will be apparent to those skilled in the art.It is therefore intended that only by scope of the following claims rather than by
The specific detail that is presented is limited above description and by way of explaining.
Claims (10)
1. a kind of viewing ratio determines method, it the described method comprises the following steps：
S101, the screen size of detection LCD monitor；
S102, viewing ratio is determined according to the screen size of liquid crystal display.
2. a kind of viewing ratio determines method, it the described method comprises the following steps：
S201, the screen size of detection LCD monitor；
S202, viewing ratio is determined according to the screen size of liquid crystal display；
S203, detects the degree of fatigue of beholder's eyes, determines level of fatigue；
S204, correction coefficient is calculated according to the level of fatigue of beholder's eyelid；
S205, is corrected using correction coefficient to viewing ratio, the viewing ratio after being corrected.
3. method according to claim 1 or 2, is distributed by the pel array of liquid crystal display and combines detection screen
Length-width ratio carrys out the screen size of detection LCD monitor, or reads the hardware information of liquid crystal display to know liquid crystal display
Screen size.
4. method according to claim 1 or 2, predefines the mapping table of screen size and viewing ratio, passes through
Table look-up determination viewing ratio.
5. method according to claim 1 or 2, by detecting the redness degree of beholder's eyes, blinking in the unit interval
Eye number of times, eyelid accounts for the area ratio of whole eye to determine the degree of fatigue of beholder's eyelid, and determines corresponding fatigue etc.
Level.
6. method according to claim 1 or 2, correction coefficient is directly proportional to level of fatigue.
7. method according to claim 1 or 2, methods described also includes：
The actual viewing distance of beholder is detected, and is compared with the viewing ratio of determination, when the actual viewing of detection
When distance is less than viewing ratio, acousto-optic hint is sent to beholder.
8. a kind of LCD MODULE, including：
Liquid crystal display, for the control output display image according to LCD controller；
Screen size detection module, the screen size for detection LCD monitor；
Memory cell, the mapping table for storing screen size and viewing ratio；
Printed substrate and back light unit；
LCD controller, is measured for controlling liquid crystal display output display image, and according to screen size detection module
The screen size query screen size and the mapping table of viewing ratio arrived, determines viewing ratio.
9. LCD MODULE according to claim 8, in addition to：
Level of fatigue detection module, the degree of fatigue of the eyes for detecting beholder, determines level of fatigue,
The level of fatigue that LCD controller is determined according to level of fatigue detection module calculates correction coefficient, according to correction coefficient
Viewing ratio is corrected.
10. LCD MODULE according to claim 8, in addition to：
Viewing distance detection module, the actual viewing distance for detecting beholder；
Acousto-optic hint module；
The actual viewing distance of detection and the viewing ratio of determination are compared by LCD controller, when the reality of detection
When border viewing distance is less than viewing ratio, acousto-optic hint module sends acousto-optic hint to beholder.
Priority Applications (1)
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| CN201710338262.2A CN107132675A (en) | 2017-05-15 | 2017-05-15 | A kind of LCD MODULE（LCM）And viewing ratio determines method |
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| CN201710338262.2A CN107132675A (en) | 2017-05-15 | 2017-05-15 | A kind of LCD MODULE（LCM）And viewing ratio determines method |
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Cited By (1)
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Address after: 224000 Yan Long Street office, Yan Du District, Yancheng City, Jiangsu, the intersection of wee eight road and Qinchuan Road (D) Applicant after: Yancheng Hua Xu Photoelectric Technology Co., Ltd. Address before: 224000 the intersection of eight road and Qinchuan road in Yan Long Street, Yancheng City, Jiangsu province. Applicant before: Yancheng China Star Optical Technology Co., Ltd. |
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Application publication date: 20170905 |