CN106773306B - A kind of display panel and liquid crystal display device being packaged with quantum dot layer - Google Patents
A kind of display panel and liquid crystal display device being packaged with quantum dot layer Download PDFInfo
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- CN106773306B CN106773306B CN201710001193.6A CN201710001193A CN106773306B CN 106773306 B CN106773306 B CN 106773306B CN 201710001193 A CN201710001193 A CN 201710001193A CN 106773306 B CN106773306 B CN 106773306B
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 36
- 239000002096 quantum dot Substances 0.000 title claims abstract description 34
- 239000000758 substrate Substances 0.000 claims abstract description 81
- 239000000463 material Substances 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000005284 excitation Effects 0.000 claims abstract description 10
- 230000003287 optical effect Effects 0.000 claims description 6
- 241001062009 Indigofera Species 0.000 claims description 4
- 239000003086 colorant Substances 0.000 description 11
- 238000009792 diffusion process Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 10
- 239000011159 matrix material Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000000605 extraction Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
-
- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
A kind of display panel and liquid crystal display device for being packaged with quantum dot layer provided in the embodiment of the present application, wherein, a kind of display panel being packaged with quantum dot layer provided by the invention, the display panel configurations have several pixel units, the pixel unit by multiple color sub-pixel group at, the backlight transmission amount of each sub-pixel is transmitted through by liquid crystal layer control, it include the red sub-pixel unit for being packaged with quanta point material in the sub-pixel of the multiple color, the blue subpixels unit of green sub-pixels unit and configuration transparent medium or air layer, wherein, the substrate surface for encapsulating the blue subpixels unit is configured to molded non-planar.When the blue light in blue subpixels unit is configured the substrate of molded non-planar, blue light is transmitted by non-flat line direction, color displays with pixel unit is realized jointly by blue light excitation gained and in the red of diverging light, green light, solve each pixel unit and show colour cast problem under multi-angle of view.
Description
Technical field
The present invention relates to technical field of liquid crystal display more particularly to a kind of quantum dot display panels and liquid crystal display device.
Background technique
Including the liquid crystal layer being encapsulated between two panels parallel glass substrate in liquid crystal display panel in first technology, and it is placed in liquid
Colored filter above crystal layer.Using liquid crystal display panel show picture when, using white light source as backlight, by liquid crystal layer by voltage
The rollover states of the liquid crystal molecule of control, to control the on-off of backlight light, when the backlight light for passing through liquid crystal layer is filtered through colour
When mating plate, it can only be penetrated with the light in the colored filter particular range of wavelengths, and realize that picture is shown, other wavelength
Light in range is absorbed or is reflected by colored filter, therefore traditional color filter is to the transmitance and utilization rate of backlight
It is low.
To improve backlight utilization efficiency, traditional color filter is replaced with quantum dot layer, is sealed in red pixel cell
Red quantum dot material is filled, green quanta point material is encapsulated in green pixel, and when with Blue backlight, blue pixel cells
In for blue light transmissive transparent region can be made, in this way, three primary color sub-pixels are to blue light backlight in each pixel in display panel
Conversion obtains redgreenblue light, rather than formerly filters in technology to white backlight, therefore, improves backlight utilization efficiency.
Shown in referring to Fig.1, display panel in the related technology includes being encapsulated between lower substrate 111 and middle substrate 112
Liquid crystal layer 120, and it is encapsulated in the quantum dot layer 130 that 120 top of liquid crystal layer is placed between middle substrate 112 and upper substrate 113.
Wherein, the feux rouges pixel unit 121 in quantum dot layer 120 and green light pixel unit 122 encapsulate red and green quantum dot respectively
Material, blue light pixel unit 123 encapsulate transparent medium and for transmiting blue light.For improve blue light efficiency of transmission, in liquid crystal layer
130 lower section settings carry out the optical diaphragm 140 of collimation processing to incident blue light, the blue light after collimation can vertical incidence to lower substrate
111, improve the efficiency of blue light transmission lower substrate 111.
The present inventor has found when implementing the relevant technologies：Parallel blue light is vertically transmitted through down after being collimated
After substrate 111, continue vertically transmitted through middle substrate 112 and upper substrate 113, in this way, what blue light pixel unit transmitted
Blue primary light is in the directional light of single exit direction, and red, the green primary light that issue in feux rouges and green light pixel unit are by measuring
Son point material is excited the scattering light for generating and be in different exit directions by blue light.Therefore, the single blue primary light in direction shows view
Angle is redder than scattering, green primary light display view angle is much smaller, and display panel is caused to show colour cast problem under multi-angle of view.
Summary of the invention
To overcome the problems in correlation technique, the present patent application provides a kind of quantum dot display panel and liquid crystal display
Device is made the blue directional light for being incident to blue subpixels, is transmitted with non-flat line direction, to solve multi-angle of view in the related technology
Lower display colour cast problem.
In a first aspect, providing a kind of display panel for being packaged with quantum dot layer, the display panel in the present patent application implementation
Configured with several pixel units, the pixel unit is by the sub-pixel group of multiple color at being transmitted through by liquid crystal layer control each
The backlight transmission amount of the sub-pixel includes the red sub-pixel for being packaged with quanta point material in the sub-pixel of the multiple color
The blue subpixels unit of unit, green sub-pixels unit and transmissive Blue backlight, wherein encapsulate the blue subpixels
The substrate surface of unit is configured to molded non-planar.
Further, several described pixel units be encapsulated in middle substrate and upper substrate above the middle substrate it
Between.
Further, the surface configuration corresponding to the middle substrate or the upper substrate and the blue subpixels unit
At molded non-planar, so that the Blue backlight transmitted by the blue subpixels unit is by the molded non-planar.
Further, the molded non-planar is inner concave arc surface or outer convex globoidal.
Further, the molded non-planar is Fresnel lens structure.
Further, the molded non-planar is evagination gore or indent gore.
Further, the quantum dot material that feux rouges is issued under Blue backlight excitation is packaged in the red sub-pixel unit
Expect, the quanta point material for issuing green light under Blue backlight excitation, blue are packaged in the green sub-pixels unit
Transparent medium or air layer are packaged in pixel unit.
Further, the liquid crystal layer is encapsulated between the middle substrate and lower substrate below the middle substrate.
Further, the lower substrate setting plays the optical diaphragm of collimating effect to Blue backlight.
Second aspect, the present patent application implement in a kind of liquid crystal display device is also provided, including provided by first aspect
It display panel and is placed in below the display panel and the backlight module of Blue backlight is provided.
Compared with the relevant technologies, the beneficial effect that the present patent application implements proposed technical solution includes：
The present patent application implementation provides a kind of display panel and liquid crystal display device for being packaged with quantum dot layer, wherein
It encapsulates on the substrate of pixel unit and configures molded non-planar with position corresponding to blue subpixels unit, when being incident to blue
When the blue directional light of sub-pixel unit is through the substrate of molded non-planar, the exit direction of blue light changes and by the sub- picture of blue
Plain unit is transmitted with non-flat line direction, and by excitation gained and the feux rouges and green light that launch outward by different shooting angles are constituted
For the three primary colours of pixel unit color displays, increase the display view angle of blue primary light, is regarded with reducing with red, green primary light display
The difference at angle solves display panel and shows colour cast problem under multi-angle of view, promotes picture display effect.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example is simultaneously used to explain the principle of the present invention together with specification.
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of display panel in the related technology；
Fig. 2 a is the overall structure diagram of the display panel provided in the embodiment of the present invention one；
Fig. 2 b is partial enlargement diagram at M；
The structural schematic diagram of variation two in Fig. 2 c embodiment of the present invention one；
Fig. 2 d is the structural schematic diagram of variation three in the embodiment of the present invention one；
Fig. 2 e is the structural schematic diagram of variation four in the embodiment of the present invention one；
Fig. 2 f is the structural schematic diagram of variation five in the embodiment of the present invention one；
Fig. 2 g is another structural schematic diagram of variation five in the embodiment of the present invention one
Fig. 2 h is the structural schematic diagram of dichroic layer in the embodiment of the present invention one；
Fig. 3 is a kind of structural schematic diagram of the liquid crystal display device provided in the embodiment of the present invention two.
Specific embodiment
As described in background technique in the application, to improve backlight transmitance and utilization rate, set in liquid crystal display panel
The quantum dot layer instead of traditional color filter is set, using blue light as backlight, excites quantum dot layer conversion to obtain by blue light
Feux rouges and green light and transmission blue light realize the color displays of pixel unit jointly, without filtering in backlight in particular range of wavelengths
Light the three primary colours for color displays can be obtained.It wherein, is the efficiency of transmission for improving blue light, by optical diaphragm to entering
Blue light before being mapped to liquid crystal layer carries out collimation processing.But inventors have found that the blue light after collimation is always along single and perpendicular to base
The direction of plate surface is successively transmitted by liquid crystal layer and blue subpixels unit, to constitute for pixel unit color displays
Blue primary light, the blue primary light along single exiting parallel direction, from be stimulated gained and along different exit directions in diverging light
There are larger differences on shooting angle for feux rouges and green light, so that not by coloration of the primary colours each in pixel unit in different perspectives
Unanimously, display panel is caused to show colour cast under multi-angle of view.
For it is above-mentioned in the related technology, because of the blue light transmitted in blue subpixels unit along single direction and the institute that is stimulated
Obtain the problem of showing colour cast under multi-angle of view in each pixel unit caused by diffusion the red of light, green light.The present invention proposes one kind
It is packaged with the display panel and liquid crystal display device of quantum dot layer, so that blue light presses different shooting angles from blue subpixels
Saturating unit projects and improves the display view angle of blue light, reduces the blue primary issued by pixel unit and red, green primary in difference
Coloration difference on visual angle solves to show colour cast problem under multi-angle of view in the related technology.
Specifically, following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out
It clearly and completely describes, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " on ", "lower", "vertical", "horizontal", "inner", "outside"
The orientation or positional relationship of equal instructions is method based on the figure or positional relationship, be merely for convenience of the description present invention and
Simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construction
And operation, therefore be not considered as limiting the invention.Term " first ", " second " are used for description purposes only, and cannot manage
What is solved as indication or suggestion relative importance or implicitly indicate or imply includes one or more technical characteristic.By
This defines " first ", the feature of " second " can explicitly or implicitly include one or more of the features.In this hair
In bright description, unless otherwise indicated, the meaning of " plurality " is two or more.
Embodiment one
A kind of display panel 200 provided by the embodiment of the present invention one, overall structure are referring to figure 2. more shown in a
The clearly partial structurtes of expression quantum dot display panel 200, A is please referred to after section view and the partial enlargement at M along Fig. 2 a
Shown in Fig. 2 b, which includes：Lower substrate 211, middle substrate 212, upper substrate 213, liquid crystal layer 220 and amount
Son point layer 230.
Specifically, liquid crystal layer 220 is encapsulated between lower substrate 211 and middle substrate 212, by liquid crystal molecule in liquid crystal layer 220
Rollover states control backlight light transmission amount, quantum dot layer 230 top of liquid crystal layer 220 is set and is encapsulated in substrate
It include multiple pixel units 231 in quantum dot layer 230 between 212 and upper substrate 213, a variety of face in each pixel unit 231
The sub-pixel of color includes：It is packaged with the red sub-pixel unit 231a of red quantum dot material, is packaged with green quanta point material
Green sub-pixels unit 231b and be packaged with the blue subpixels unit 231c of transparent medium or air layer, each height picture
Separated two-by-two between plain unit by black matrix" 232, to reduce the light closed between sub-pixel unit interference, anti-leak-stopping
Light.The quanta point material in red sub-pixel unit 231a and green sub-pixels unit 231b is encapsulated in distinguish under blue light excitation
Feux rouges and green light are issued, is collectively formed with the blue light transmitted from blue subpixels unit 231c for 231 color of pixel unit
The three primary colours that colour display screen shows, the picture that multiple pixel units 231 are provided commonly for quantum dot display panel 200 are shown.
Further, to improve blue light by the efficiency of transmission of lower substrate 211, further include in the quantum dot display panel 200：
It is arranged in below lower substrate 211 and to the optical diaphragm 240 that incident blue light is collimated, the parallel indigo plant such as prism film, after collimation
Light is vertically transmitted through lower substrate 211, to excite quantum dot layer 230.
Further, it is configured in middle substrate 212 or the corresponding position upper substrate 213 and blue subpixels unit 231c non-
Flat shape.Specifically, molded non-planar blue light direction parallel with transmission is non-perpendicular.It should be further noted that being
Change the exit direction of the parallel blue light transmitted from blue subpixels unit 231c, has and change beam projecting direction work
Molded non-planar should configure on substrate corresponding with blue subpixels unit 231c, that is to say, that molded non-planar
It should configure along blue subpixels unit 231c on the substrate of blue light transmission path, so that through blue subpixels unit
The blue light of 231c can be by the middle substrate 212 or upper substrate 213 of configuration molded non-planar, and transmits by non-flat line direction.
The substrate for proposing various configurations difference molded non-planar in the present embodiment in the form of variation, below in conjunction with attached
Figure is explained in detail the molded non-planar in each variation.It should be noted that for those of ordinary skill in the art
For, it can make the change or deformation of other molded non-planar substrates with technical concept according to the technique and scheme of the present invention, and institute
Having these to change or deform all should belong to protection scope of the present invention.
Variation one
Referring to figure 2. shown in b, open up along on 212 surface of middle substrate of 230 side of quantum dot layer in inner concave arc surface
Molded non-planar, further, the position phase of the allocation position of inner concave arc surface and blue subpixels unit 231c on middle substrate 212
It is corresponding.Parallel blue light after being collimated by optical diaphragm 240, through being incident on blue subpixels in the middle substrate 212 of inner concave arc surface
When unit 231c, blue light is spread, and the blue light after diffusion is sent out from blue subpixels unit 231c by different exit directions
It penetrates, is shown from by exciting gained and equally being collectively formed by red, the green light that different exit directions emit for 230 color of pixel unit
The three primary colours shown reduce the difference of display view angle between each primary colours, solve colour cast problem of the display panel under multi-angle of view.
And in the variation, the opticpath in b referring to figure 2., when blue light is after the middle substrate 212 in inner concave arc surface
And spread in blue subpixels unit 231c, the blue light after diffusion is launched outward in divergent shape, and blue light two sides are spread
The biggish light of angle can be injected into the black matrix" 232 of the two sides blue subpixels unit 231c, and black matrix" 232 is to penetrating
The blue light entered is absorbed, and the amount of light transmitted by blue subpixels unit 231c is reduced, and reduces blue light light extraction efficiency.Cause
This improves the light extraction efficiency of blue light to reduce light losing in blue subpixels unit 231c, proposes configuration in the variant 2
The middle substrate 212 of another molded non-planar, specific structure are as shown in Figure 2 c.
Variation two
Referring to figure 2. shown in c, configure along on 212 surface of middle substrate of 230 side of quantum dot layer in outer convex globoidal
Molded non-planar, further, the allocation position of outer convex globoidal are corresponding with the position of blue subpixels unit 231c.Work as collimation
When parallel blue light afterwards is through being incident on blue subpixels unit 231c in the middle substrate 212 of outer convex globoidal, blue light first converges in indigo plant
It in sub-pixels unit 231c, then spreads, the blue light after diffusion presses different outgoing from blue subpixels unit 231c
Direction launches outward.
Opticpath in c referring to figure 2., blue light in the variation is after the middle substrate 212 in outer convex globoidal, first
It after being converged in blue subpixels unit 231c, then is diffused, changes blue light and expand in blue subpixels unit
Scattered initial position reduces in blue subpixels unit 231c and drops into two sides black matrix" 232 because diffusion directly occurs
Blue light improves the light extraction efficiency of light in blue subpixels unit 231c.
Variation three
Exemplary, the molded non-planar in above-mentioned variation can also be configured the upper base in encapsulation blue subpixels unit 213c
On plate 213.Referring to figure 2. shown in d, upper substrate 213 includes lower surface 213a and upper surface 213b, the institute in variation one and two
It mentions and being configurable on lower surface 213a and upper surface 213b in the molded non-planar of inner concave arc surface or outer convex globoidal, be located at upper base
Molded non-planar on plate 213 should be corresponding with the position of blue subpixels unit 231c, so that by blue subpixels unit
The blue light that 231c is transmitted being capable of the approach molded non-planar.When the parallel blue light transmitted by blue subpixels unit 231c
When through molded non-planar, blue light directly occurs to spread or first converges and spread again, and the blue light after diffusion is from blue subpixels unit
Emit in 231c by different exit directions.
It needs to illustrate in this variation, configures the substrate of different molded non-planars to beam projecting direction institute
Play the role of explanation of making explanations in above-mentioned variation, in this variation to molded non-planar matching in upper substrate 213
Seated position is remarked additionally.
Variation four
It is in Fresnel Lenses along being configured on 212 surface of middle substrate of 230 side of quantum dot layer referring to figure 2. shown in e
The molded non-planar of structure, specifically, Fresnel lens structure are made of multiple ascending concentric circles and can be to entering in parallel
Light is penetrated to be converged, so that light is spread again after the side of light-emitting surface first pools a bit, the structure of Fresnel lens structure,
Working principle and effect belong to the state of the art, are not repeating specifically.Further, it is configured on middle substrate 212
The position of Fresnel lens structure is corresponding with the position of blue subpixels unit 231c.Parallel blue light after collimation is through substrate
212 when being incident on blue subpixels unit 231c, and blue light is spread again after first converging, and can be reduced and be dropped into because directly spreading
Blue light in two sides black matrix" 232 improves light utilization, and the blue light after diffusion is from blue subpixels unit 231c by not
Same exit direction transmitting.
It needs to illustrate, the Fresnel lens structure in this variation can also be configured in encapsulation blue subpixels list
On first 213c upper substrate 213, the parallel rays by transmiting in blue subpixels unit 231c spread again after first converging,
To change the exit direction of blue light.
It should be noted that due to parallel blue light through Fresnel lens structure molded non-planar when, first light emission side converge
It is spread again after being polymerized to a bit, to prevent the blue light after diffusion to be injected into black matrix", increases blue light from blue subpixels unit
Shooting angle in 231c, can by adjusting the Fresnel lens structure size of molded non-planar come determine light emission side converge intersection point
Position prevent the biggish blue light quilt of diffusion angle to adjust the blue light initial position for emitting diffusion in blue subpixels unit
Black matrix" absorbs.Wherein, by adjusting Fresnel lens structure size come determine convergence intersection position belong to the prior art, this
This is not being repeated specifically in embodiment.
Variation five
It is in evagination triangle along being configured on 212 surface of middle substrate of 230 side of quantum dot layer referring to figure 2. shown in f
Molded non-planar, wherein the molded non-planar configured can also be indent triangle, and specific structure is referring to shown in Fig. 2 g.
Further, the position of the evagination triangle or indent triangle that are configured is opposite with the position of blue subpixels unit 231c
It answers.When parallel blue light after collimation is incident on blue subpixels unit 231c through molded non-planar, blue light is spread, diffusion
Blue light afterwards is launched outward from blue subpixels unit 231c by different exit directions, with by excitation gained and equally press not
The feux rouges and green light launched outward with exit direction is completed picture jointly and is shown.
It needs to illustrate in this variation, it can also in the molded non-planar of evagination triangle or indent triangle
On the upper substrate 213 configured in encapsulation blue subpixels unit 213c, played the role of the work with configuration on middle substrate 212
With identical, details are not described herein.
In the present embodiment it should be further noted that can be selected can be saturating for substrate 212 and upper substrate 213 in the present embodiment
The glass material of feux rouges, green light and blue light is penetrated, and effectively obstructs the moisture and oxygen in external environment, passes through middle 212 He of substrate
Upper substrate 213 carries out overall package to quantum dot layer 230, prevents quanta point material from being drawn by the oxygen or moisture in external environment
Itself fail is sent out, the translucency of quanta point material functional reliability and quantum dot display panel 200 is improved.
To reduce light losing and improving light utilization, it is preferable that referring to figure 2. shown in h, in 230 He of quantum dot layer
It is packaged with dichroic layer 260 between middle substrate 212, the 260 transmissive blue light of dichroic layer and reflection feux rouges and green light.Due to red
Light and green light are to be excited gained by blue light by the quanta point material in pixel unit, belong to self-excitation and shine, so feux rouges and green light
It can be launched outward by different shooting angles by pixel unit, part of light dissipates backward along the direction of the substrate 212 in
It penetrates, the light scattered backward can not normally be emitted and cause the extraneoas loss of excitation line.Set dichroic layer 260 can be right
The feux rouges or green light scattered backward is reflected, which is transmitted from the light-emitting surface of quantum dot layer 220, drop
Low light losing guarantees the light extraction efficiency of feux rouges and green light.
Display panel provided in the present embodiment one includes configuration on middle substrate or upper substrate and changes by blue son
The molded non-planar for the blue light exit direction that pixel unit transmits, when the blue light transmitted by blue subpixels unit is by configuration
When the substrate of molded non-planar, blue light is launched outward by different shooting angles by blue subpixels unit, with by excitation gained
And the feux rouges and green light launched outward by different shooting angles collectively forms the three primary colours for pixel unit color displays, so that
Contained evenness of each primary colours under different perspectives is consistent in pixel unit, solves display panel and shows colour cast under multi-angle of view
The problem of.
Embodiment two
A kind of liquid crystal display device provided by the embodiment of the present invention two, shown referring to figure 3., the liquid crystal display device
300 include display panel 200 provided in above-described embodiment one, further includes：It is arranged below display panel 200 and for mentioning
For the backlight module 301 of Blue backlight.
In conclusion the present patent application provides a kind of display panel and liquid crystal display device for encapsulating quantum dot layer, wherein
In provided display panel, the substrate for being encapsulated in blue subpixels unit is configured to molded non-planar, when by the sub- picture of blue
When the blue light of plain unit transmission passes through the substrate of configuration molded non-planar, blue light is by different shooting angles and in diverging light by indigo plant
Sub-pixels unit launches outward, and is stimulated gained and the feux rouges and green light that launch outward by different shooting angles collectively form
For the three primary colours of color displays, reduce coloration difference of each primary colours in different visible angles in pixel unit, improves pixel
Coloration consistency and uniformity of each primary colours under different perspectives in unit solve to show asking for colour cast under display panel multi-angle of view
Topic promotes Picture Showing ability.
Although the present invention, those skilled in the art have shown and described relative to one or more implementations
It will be appreciated that equivalent variations and modification based on the reading and understanding to the specification and drawings.The present invention includes all such repairs
Change and modification, and is limited only by the scope of the following claims.In particular, to various functions executed by the above components, use
It is intended to correspond in the term for describing such component and executes the specified function of the component (such as it is functionally of equal value
) random component (unless otherwise instructed), even if in structure with execute the exemplary of this specification shown in this article and realize
The open structure of function in mode is not equivalent.In addition, although the special characteristic of this specification is relative to several realization sides
Only one in formula is disclosed, but this feature can with such as can be for a given or particular application expectation and it is advantageous
One or more other features combinations of other implementations.Moreover, with regard to term " includes ", " having ", " containing " or its deformation
For being used in specific embodiments or claims, such term is intended to wrap in a manner similar to the term " comprising "
It includes.
The above is only a specific embodiment of the invention, it is noted that those skilled in the art are come
It says, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a kind of display panel for being packaged with quantum dot layer, which has several pixel units, the pixel list
Member is by the sub-pixel group of multiple color at being transmitted through the backlight transmission amount of each sub-pixel by liquid crystal layer control, feature exists
In including being packaged with red sub-pixel unit, the green sub-pixels unit of quanta point material in the sub-pixel of the multiple color
And the blue subpixels unit of transmissive Blue backlight, wherein encapsulate the substrate surface configuration of the blue subpixels unit
For molded non-planar.
2. display panel according to claim 1, which is characterized in that several described pixel units be encapsulated in middle substrate and
Between upper substrate above the middle substrate.
3. display panel according to claim 2, which is characterized in that in the middle substrate or the upper substrate and the indigo plant
Surface configuration corresponding to sub-pixels unit is at molded non-planar, so that the blue transmitted by the blue subpixels unit
Backlight passes through the molded non-planar.
4. display panel according to claim 2, which is characterized in that the molded non-planar is inner concave arc surface or outer convex arc
Face.
5. display panel according to claim 2, which is characterized in that the molded non-planar is Fresnel lens structure.
6. display panel according to claim 2, which is characterized in that the molded non-planar is evagination gore or interior
Recessed gore.
7. display panel according to claim 1, which is characterized in that be packaged in the red sub-pixel unit in blue
The quanta point material of feux rouges is issued under backlight excitation, is packaged in the green sub-pixels unit and is issued under Blue backlight excitation
The quanta point material of green light is packaged with transparent medium or air layer in the blue subpixels unit.
8. display panel according to claim 2, which is characterized in that the liquid crystal layer is encapsulated in the middle substrate and is located at institute
It states between the lower substrate below substrate.
9. display panel according to claim 8, which is characterized in that the lower substrate setting plays standard to Blue backlight
The optical diaphragm directly acted on.
10. a kind of liquid crystal display device including the display panel as described in claim 1-9 is any and is placed in the display panel
Lower section simultaneously provides the backlight module of Blue backlight.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710001193.6A CN106773306B (en) | 2017-01-03 | 2017-01-03 | A kind of display panel and liquid crystal display device being packaged with quantum dot layer |
| PCT/CN2017/098263 WO2018126700A1 (en) | 2017-01-03 | 2017-08-21 | Liquid crystal panel packaged with quantum dot layer and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710001193.6A CN106773306B (en) | 2017-01-03 | 2017-01-03 | A kind of display panel and liquid crystal display device being packaged with quantum dot layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106773306A CN106773306A (en) | 2017-05-31 |
| CN106773306B true CN106773306B (en) | 2018-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710001193.6A Active CN106773306B (en) | 2017-01-03 | 2017-01-03 | A kind of display panel and liquid crystal display device being packaged with quantum dot layer |
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| Country | Link |
|---|---|
| CN (1) | CN106773306B (en) |
| WO (1) | WO2018126700A1 (en) |
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| CN107153297B (en) * | 2017-07-21 | 2019-04-23 | 深圳市华星光电技术有限公司 | Display panel and display equipment |
| US10782552B2 (en) | 2017-08-01 | 2020-09-22 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Display panel and display device |
| CN107219673B (en) * | 2017-08-01 | 2019-05-03 | 深圳市华星光电技术有限公司 | Display panel and display device |
| KR102476136B1 (en) * | 2017-09-05 | 2022-12-09 | 삼성전자주식회사 | Display device using light emitting diode |
| CN107817630A (en) * | 2017-12-07 | 2018-03-20 | 青岛海信电器股份有限公司 | A kind of liquid crystal display device |
| TWI667500B (en) * | 2018-04-03 | 2019-08-01 | 友達光電股份有限公司 | Color filter, display panel and manufacturing methods thereof |
| CN108919403A (en) | 2018-07-24 | 2018-11-30 | 京东方科技集团股份有限公司 | Colored filter and preparation method thereof, display panel |
| CN108983509B (en) * | 2018-07-25 | 2021-03-23 | Tcl华星光电技术有限公司 | Liquid crystal display module and liquid crystal display device |
| KR102619610B1 (en) * | 2018-09-28 | 2023-12-28 | 엘지디스플레이 주식회사 | Self light emitting display device |
| CN110045539A (en) * | 2019-04-23 | 2019-07-23 | 京东方科技集团股份有限公司 | The manufacturing method and display device of display panel, display panel |
| CN112150937A (en) * | 2019-06-28 | 2020-12-29 | 成都辰显光电有限公司 | Color conversion assembly and display panel |
| CN112234078B (en) * | 2019-06-30 | 2022-11-01 | 成都辰显光电有限公司 | Color conversion assembly and display device |
| CN110471210B (en) | 2019-08-22 | 2022-06-10 | 京东方科技集团股份有限公司 | Color film substrate, display panel and display device |
| CN111341816B (en) * | 2020-03-11 | 2022-11-25 | 武汉华星光电半导体显示技术有限公司 | Display panel, display panel manufacturing method and display device |
| CN111369903A (en) * | 2020-04-08 | 2020-07-03 | 深圳市华星光电半导体显示技术有限公司 | Micro LED display device |
| CN111540281A (en) * | 2020-05-19 | 2020-08-14 | Tcl华星光电技术有限公司 | Flexible color filter film, manufacturing method thereof and full-color micro light-emitting diode device |
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| CN113589571B (en) * | 2021-07-27 | 2024-08-20 | 昆山国显光电有限公司 | Display panel and display device |
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Also Published As
| Publication number | Publication date |
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| WO2018126700A1 (en) | 2018-07-12 |
| CN106773306A (en) | 2017-05-31 |
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Address after: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee after: Hisense Visual Technology Co., Ltd. Address before: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee before: QINGDAO HISENSE ELECTRONICS Co.,Ltd. |