CN204389849U - A kind of quantum dot liquid crystal module and display device - Google Patents
A kind of quantum dot liquid crystal module and display device Download PDFInfo
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- CN204389849U CN204389849U CN201420864716.1U CN201420864716U CN204389849U CN 204389849 U CN204389849 U CN 204389849U CN 201420864716 U CN201420864716 U CN 201420864716U CN 204389849 U CN204389849 U CN 204389849U
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Abstract
The utility model provides a kind of quantum dot liquid crystal module, comprise: quantum dot substrate, be arranged on below Array substrate, be coated with red, green, blue quantum dot layer respectively in the upper surface zones of different of described quantum dot substrate, the light that described quantum dot layer sends can pass through colored filter substrate.The utility model also provides a kind of liquid crystal indicator, comprise quantum dot liquid crystal module and liquid crystal cell, described liquid crystal cell comprises: colored filter substrate, be arranged on Array substrate below colored filter substrate, described quantum dot liquid crystal module comprises: quantum dot substrate, be arranged on below Array substrate, be coated with red, green, blue quantum dot layer respectively in the upper surface zones of different of described quantum dot substrate, the light that described quantum dot layer sends can pass through colored filter substrate.The utility model can improve quantum dot liquid crystal module, and to reduce the thickness of display device, without the need to special customization, processing is simple.
Description
Technical field
The utility model relates to backlight display technique field, particularly relates to a kind of quantum dot liquid crystal module and display device.
Background technology
Quantum dot is nano semiconductor crystal that can be luminous, when exposure (photoluminescence under visible light, photoluminescence) or electric current (electroluminescence, Electroluminescence) time, the bright visible ray having spectrally pure colour will be sent.Quantum dot backlight display (Quantum-Dot Display) technology, also known as Color IQ technology, utilize the above-mentioned nanometer semiconductor structure quantum dot with special tectonic, under quantum physics yardstick, transfer originally blue LED backlight to purer three primary colors recombined white light, to improve the gamut range of lcd screen.Quantum dot backlight display technique, compared to traditional OLED display technique, is more easily produced, and can provide higher brightness and better energy conservation characteristic, and therefore this technology is progressively replacing traditional OLED display technique.
Referring to Fig. 1, existing quantum dot liquid crystal module comprises: LED lamp bar 1, heat sink 2, light guide plate 3, prismatic lens 4a and 4b, diffusion sheet 5, reflector plate 6, center 7, front frame 8 and backboard 9.Wherein, LED lamp bar 1 is as light source; Heat sink 2 is gone out for delivered heat LED lamp bar produced; The light that LED lamp bar sends by light guide plate 3 is converted into area source; Prismatic lens 4 is for increasing the positive apparent brightness of module; Diffusion sheet 5, for being atomized by light, makes picture more even; Reflector plate 6, for reflecting light to screen orientation, increases the utilization factor of light; Center 7 and front frame 8, for fixing backlight, support liquid crystal panel 10; Backboard 9 is for supporting whole module.
Existing quantum dot liquid crystal module adds red and green quantum dot with the form of quantum pipe or quantum film usually between LED lamp bar 1 and light guide plate 3, LED in LED lamp bar 1 is blue, LED send the exciting of blue light under, red and green quantum dot sends ruddiness and green glow respectively, and last redness and green quantum dot send the blue light that ruddiness, green glow and LED send respectively and become white light.Or, quantum dot liquid crystal module is attached to (not shown) on light guide plate 3 with the form of quantum film, containing red and green quantum dot in quantum film, LED is blue, red and green quantum dot sends ruddiness and green glow under blue-light excited, and last redness and green quantum dot send the blue light that ruddiness, green glow and LED send respectively and become white light.The white light of described synthesis sends to the liquid crystal cell of display device.
But the diameter of quantum pipe own is comparatively large, cannot realize the ultra-thin of quantum dot liquid crystal module.And the quantum dot in quantum film is encapsulated in film, the specific size of quantum film needs special customization, processed complex.
Therefore, how to improve quantum dot liquid crystal module, become technical matters urgently to be resolved hurrily with the thickness reducing display device.
Utility model content
The utility model provides a kind of quantum dot liquid crystal module and display device, and it can improve quantum dot liquid crystal module, and to reduce the thickness of display device, without the need to special customization, processing is simple.
The utility model provides a kind of quantum dot liquid crystal module, comprising:
Quantum dot substrate, is arranged on below Array substrate, and be coated with red, green, blue quantum dot layer respectively in the upper surface zones of different of described quantum dot substrate, the light that described quantum dot layer sends can pass through colored filter substrate.
In the application one embodiment, described quantum dot layer corresponds to the position described colored filter substrate being arranged RGB colored filter.
In the application one embodiment, described red, green, blue quantum dot layer corresponds respectively to the position of the red, green, blue three kinds of colored filters on described colored filter substrate.
In the application one embodiment, when described quantum dot is electroluminescent material, described quantum dot layer comprises quantum dot, the top of described quantum dot arranges the first electron transfer layer, the below of described quantum dot arranges the second electron transfer layer, described quantum dot layer also comprises the electrode that makes described quantum dot light emitting, and described electrode is connected with described first electron transfer layer or the second electron transfer layer.
The application also provides a kind of quantum dot liquid crystal module, comprising:
Quantum dot substrate, be arranged on below Array substrate, red, the green quantum dot layer of embedded photoluminescent material composition is coated with respectively in the upper surface zones of different of described quantum dot substrate, and making the blue light backlight module of described red, green quantum dot light emitting, the light that described quantum dot layer and blue light backlight module send can pass through colored filter substrate.
The application also provides a kind of liquid crystal indicator, comprises quantum dot liquid crystal module and liquid crystal cell, and described liquid crystal cell comprises: colored filter substrate, be arranged on Array substrate below colored filter substrate, and described quantum dot liquid crystal module comprises:
Quantum dot substrate, is arranged on below Array substrate, and be coated with red, green, blue quantum dot layer respectively in the upper surface zones of different of described quantum dot substrate, the light that described quantum dot layer sends can pass through colored filter substrate.
In the application one embodiment, described quantum dot layer corresponds to the position described colored filter substrate being arranged RGB colored filter.
In the application one embodiment, when described colored filter substrate is provided with RGB colored filter, described red, green, blue quantum dot layer corresponds respectively to the position of the red, green, blue three kinds of colored filters on described colored filter substrate;
The light sent when described red, green, blue quantum dot layer and the rgb pixel of liquid crystal cell strictly corresponding, described colored filter substrate is cancelled RGB colored filter.
In the application one embodiment, when described quantum dot is electroluminescent material, described quantum dot layer comprises quantum dot, the top of described quantum dot arranges the first electron transfer layer, the below of described quantum dot arranges the second electron transfer layer, described quantum dot layer also comprises the electrode that makes described quantum dot light emitting, and described electrode is connected with described first electron transfer layer or the second electron transfer layer.
The application also provides a kind of liquid crystal indicator, comprises quantum dot liquid crystal module and liquid crystal cell, and described liquid crystal cell comprises: colored filter substrate, be arranged on Array substrate below colored filter substrate, and described quantum dot liquid crystal module comprises:
Quantum dot substrate, be arranged on below Array substrate, red, the green quantum dot layer of embedded photoluminescent material composition is coated with respectively in the upper surface zones of different of described quantum dot substrate, and making the blue light backlight module of described red, green quantum dot light emitting, the light that described quantum dot layer and blue light backlight module send can pass through colored filter substrate.
The utility model quantum dot liquid crystal module comprises quantum dot substrate, and described quantum dot substrate is arranged on below Array substrate by sealing compound.Be coated with red, green, blue quantum dot layer respectively in the upper surface zones of different of described quantum dot substrate, the light that the position of described quantum dot makes it send can pass through colored filter substrate.Described red, green, blue quantum dot layer need not be encapsulated in film, and the space occupied by it is little, can realize the ultra-thin of quantum dot liquid crystal module.Meanwhile, be coated with red, green, blue quantum dot layer respectively in the upper surface zones of different of quantum dot substrate, without the need to special customization, processing is simple.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing quantum dot liquid crystal module;
Fig. 2 is the structural representation of the utility model quantum dot liquid crystal module;
Fig. 3 is the structural representation of existing display device;
Fig. 4 is the structural drawing of the utility model quantum dot liquid crystal module one embodiment;
Fig. 5 is the structural drawing of another embodiment of the utility model quantum dot liquid crystal module;
Fig. 6 is the structural drawing of the utility model quantum dot liquid crystal module embodiment again;
Fig. 7 is the structural drawing of the utility model display device one embodiment;
Fig. 8 is the structural drawing of another embodiment of the utility model display device.
Embodiment
The utility model quantum dot liquid crystal module comprises quantum dot substrate, and described quantum dot substrate is arranged on below Array substrate by sealing compound.Be coated with red, green, blue quantum dot layer respectively in the upper surface zones of different of described quantum dot substrate, the light that the position of described quantum dot makes it send can pass through colored filter substrate.Described red, green, blue quantum dot layer need not be encapsulated in film, and the space occupied by it is little, can realize the ultra-thin of quantum dot liquid crystal module.Meanwhile, be coated with red, green, blue quantum dot layer respectively in the upper surface zones of different of quantum dot substrate, without the need to special customization, processing is simple.
Illustrate the utility model below in conjunction with the utility model accompanying drawing to realize.
Referring to Fig. 2, the utility model provides a kind of quantum dot back lighting device 2, comprising:
Quantum dot substrate 21, is arranged on below Array substrate especially by sealing compound.
At the red, green, blue quantum dot layer 22 that the upper surface zones of different of described quantum dot substrate 21 is coated with respectively, the light that the position of described quantum dot makes it send can pass through colored filter substrate.
Particularly, described quantum dot substrate 21 is a glass substrate, at the red, green, blue quantum dot layer 22 that the upper surface zones of different of described glass substrate is coated with respectively.The red, green, blue that described red, green, blue quantum dot layer 22 sends respectively, sends to the liquid crystal cell of display device.
Because described colored filter substrate is except being provided with colored filter, also have black matrix (BlackMatrix), the position of described quantum dot corresponds to the position of described colored filter substrate being installed RGB colored filter.Thus the light making described quantum dot send is not stopped by black matrix, can pass through described colored filter substrate.
Described red, green, blue quantum dot layer 22 need not be encapsulated in film, and the space occupied by it is little, can realize the ultra-thin of quantum dot liquid crystal module.Meanwhile, on the zones of different of quantum dot substrate 21, be coated with red, green, blue quantum dot layer respectively, without the need to special customization, processing is simple.
Referring to Fig. 3, existing display device comprises quantum dot liquid crystal module 31 and liquid crystal cell 32, liquid crystal cell 32 comprise RGB colored filter 321 is installed colored filter substrate 322, to be arranged on Array substrate 323 below colored filter substrate 322 by sealing compound.White light is sent to liquid crystal cell 32 by quantum dot liquid crystal module 31, and the 321 pairs of white lights of the RGB colored filter in liquid crystal cell 32 filter, and through red color layer, green, blue light in R pixel lose; Through green color layer, red, blue light in G pixel lose; Through Blue layer, red, green glow in B pixel lose.Therefore, during the RGB colored filter 321 of the white light that in existing display device, quantum dot liquid crystal module 31 sends in liquid crystal cell 32, can light loss be there is, cause the increase of display device power consumption.
In order to avoid quantum dot liquid crystal module sends to the white light generation light loss of liquid crystal cell, in the utility model one specific implementation, when described colored filter substrate is provided with RGB colored filter, referring to Fig. 4, the position of described red, green, blue quantum dot layer 22 corresponds respectively to the red, green, blue three kinds of optical filters on RGB colored filter.
Therefore, the ruddiness that in the utility model, red quantum point layer sends is by the Red lightscreening plate of RGB colored filter; The green glow that green quantum dot layer sends is by the green color filter of RGB colored filter; The blue light that blue quantum dot layer sends is by the blue color filter of RGB colored filter.Like this, the light that respective color quantum dot layer sends can to greatest extent by the respective filter of RGB colored filter, and light loss diminishes, and can reduce the power consumption of display device.
Referring to Fig. 1, because prior art quantum dot liquid crystal module is made up of LED lamp bar 1, light guide plate 3 and the quantum film be attached on light guide plate 3.Quantum film is embedded photoluminescent material, and containing red and green quantum dot in quantum film, LED is blue.Red and green quantum dot sends ruddiness and green glow under blue-light excited, and last redness and green quantum dot send the blue light that ruddiness, green glow and LED send respectively and become white light.LED lamp bar 1, light guide plate 3 and the quantum film be attached on light guide plate 3 cause existing quantum dot liquid crystal module thickness comparatively large, cannot realize the ultra-thin of quantum dot liquid crystal module.
In order to realize the ultra-thin of quantum dot liquid crystal module, in another specific implementation of the utility model, described red, green, blue quantum dot layer is electroluminescent material, referring to Fig. 5, described quantum dot layer 22 comprises quantum dot, the top of described quantum dot arranges the first electron transfer layer 51, the below of described quantum dot arranges the second electron transfer layer 52, described quantum dot liquid crystal module also comprises the electrode 53 that makes described quantum dot light emitting, and described electrode 53 is connected with described first electron transfer layer 51 or the second electron transfer layer 52.Like this, the utility model only needs be coated with on the glass substrate by red, green, blue quantum dot layer and arrange the electrode making its luminescence, glass substrate compared to existing LED lamp bar 1, light guide plate 3 and the quantum film thickness that is attached on light guide plate 3 less, the ultra-thin of quantum dot liquid crystal module can be realized.
In the utility model again a specific implementation, referring to Fig. 6, the utility model provides quantum dot back lighting device 6, comprise: quantum dot substrate 61, be arranged on below Array substrate, be coated with red, the green quantum dot layer 62 of embedded photoluminescent material composition in the upper surface zones of different of described quantum dot substrate 51 respectively, and make the blue light backlight module 63 of described red, green quantum dot light emitting, the light that described quantum dot layer 62 and blue light backlight module 63 send can pass through colored filter substrate.
Therefore, the utility model quantum dot liquid crystal module also can be applicable to red, green quantum dot when being embedded photoluminescent material.
Referring to Fig. 7, the utility model also provides a kind of display device 7, comprise quantum dot liquid crystal module 71 and liquid crystal cell 72, described liquid crystal cell 72 comprises: colored filter substrate 721, to be arranged on Array substrate 722 below colored filter substrate 721 by sealing compound, and described quantum dot liquid crystal module 71 comprises:
Quantum dot substrate 711, is arranged on below described Array substrate by sealing compound, and,
At the red, green, blue quantum dot layer 712 that the upper surface zones of different of described quantum dot substrate 711 is coated with respectively, the light that described quantum dot layer 712 sends can pass through described colored filter substrate 721.
Particularly, described quantum dot substrate 711 is a glass substrate, at the red, green, blue quantum dot layer 712 that the upper surface zones of different of described glass substrate is coated with respectively.The red, green, blue that described red, green, blue quantum dot layer 712 sends respectively, sends to the liquid crystal cell 71 of display device 7.
Because described colored filter substrate 721 is except being provided with colored filter, also have black matrix (Black Matrix), the position of described quantum dot corresponds to the position of described colored filter substrate 721 being installed RGB colored filter.Thus the light making described quantum dot layer 712 send is not stopped by black matrix, can pass through described colored filter substrate 721.
Described red, green, blue quantum dot layer 712 need not be encapsulated in film, and the space occupied by it is little, can realize the ultra-thin of quantum dot liquid crystal module.Meanwhile, on the zones of different of quantum dot substrate 7111, be coated with red, green, blue quantum dot layer respectively, without the need to special customization, processing is simple.
Referring to Fig. 3, existing display device comprises quantum dot liquid crystal module 31 and liquid crystal cell 32, liquid crystal cell 32 comprise RGB colored filter 321 is installed colored filter substrate 322, be arranged on the Array substrate 323 below colored filter substrate 322 by sealing compound 323.White light is sent to liquid crystal cell 32 by quantum dot liquid crystal module 31, and the 321 pairs of white lights of the RGB colored filter in liquid crystal cell 32 filter, and through red color layer, green, blue light in R pixel lose; Through green color layer, red, blue light in G pixel lose; Through Blue layer, red, green glow in B pixel lose.Therefore, during the RGB colored filter 321 of the white light that in existing display device, quantum dot liquid crystal module 31 sends in liquid crystal cell 32, can light loss be there is, cause the increase of display device power consumption.
In order to avoid quantum dot liquid crystal module sends to the white light generation light loss of liquid crystal cell, in the utility model one specific implementation, when described colored filter substrate is provided with RGB colored filter, referring to Fig. 4, the position of described red, green, blue quantum dot layer 22 corresponds respectively to the red, green, blue three kinds of color layers on RGB colored filter.
In another specific implementation of the utility model, the light sent when described red, green, blue quantum dot layer and the rgb pixel of liquid crystal cell strictly corresponding, when there will not be red, green, blue mutually to mix, referring to Fig. 8, described colored filter substrate 721 cancels RGB colored filter.
Therefore, the ruddiness that in the utility model, red quantum point layer sends is by the Red lightscreening plate of RGB colored filter; The green glow that green quantum dot layer sends is by the green color filter of RGB colored filter; The blue light that blue quantum dot layer sends is by the blue color filter of RGB colored filter.Like this, the light that respective color quantum dot layer sends can to greatest extent by the respective filter of RGB colored filter, and light loss diminishes, and can reduce the power consumption of display device.
Referring to Fig. 1, because prior art quantum dot liquid crystal module is made up of LED lamp bar 1, light guide plate 3 and the quantum film be attached on light guide plate 3.Quantum film is embedded photoluminescent material, and containing red and green quantum dot in quantum film, LED is blue.Red and green quantum dot sends ruddiness and green glow under blue-light excited, and last redness and green quantum dot send the blue light that ruddiness, green glow and LED send respectively and become white light.LED lamp bar 1, light guide plate 3 and the quantum film be attached on light guide plate 3 cause existing quantum dot liquid crystal module thickness comparatively large, cannot realize the ultra-thin of quantum dot liquid crystal module.
In order to realize the ultra-thin of quantum dot liquid crystal module, in another specific implementation of the utility model, its difference is the structure of described quantum dot back lighting device.Referring to Fig. 4, red, green, blue quantum dot layer in described quantum dot back lighting device is electroluminescent material, described quantum dot layer 22 comprises quantum dot 221, the top of described quantum dot 221 arranges the first electron transfer layer 41, the below of described quantum dot 221 arranges the second electron transfer layer 42, described quantum dot layer also comprises the electrode 222 that makes the luminescence of described quantum dot 221, and described electrode 222 is connected with described first electron transfer layer 41 or the second electron transfer layer 42.Like this, the utility model only needs be coated with on the glass substrate by red, green, blue quantum dot layer and arrange the electrode making its luminescence, glass substrate compared to existing LED lamp bar 1, light guide plate 3 and the quantum film thickness that is attached on light guide plate 3 less, the ultra-thin of quantum dot liquid crystal module can be realized.
In the utility model again a specific implementation, its difference is the structure of described quantum dot back lighting device.Referring to Fig. 5, quantum dot back lighting device 5, comprise: quantum dot substrate 51, be arranged on below Array substrate, red, the green quantum dot layer 52 of embedded photoluminescent material composition is coated with respectively in the upper surface zones of different of described quantum dot substrate 51, and making the blue light backlight module 53 of described red, green quantum dot light emitting, the light that described quantum dot layer 52 and blue light backlight module 53 send can pass through colored filter substrate.
Therefore, the utility model quantum dot liquid crystal module also can be applicable to red, green, blue quantum dot layer is embedded photoluminescent material.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacements, improvement etc., all should be included within scope that the utility model protects.
Claims (10)
1. a quantum dot liquid crystal module, is characterized in that, comprising:
Quantum dot substrate, is arranged on below Array substrate, and be coated with red, green, blue quantum dot layer respectively in the upper surface zones of different of described quantum dot substrate, the light that described quantum dot layer sends can pass through colored filter substrate.
2. quantum dot liquid crystal module as claimed in claim 1, is characterized in that, described quantum dot layer corresponds to the position described colored filter substrate being arranged RGB colored filter.
3. quantum dot liquid crystal module as claimed in claim 2, it is characterized in that, described red, green, blue quantum dot layer corresponds respectively to the position of the red, green, blue three kinds of colored filters on described colored filter substrate.
4. quantum dot liquid crystal module as claimed in claim 1, it is characterized in that, when described quantum dot is electroluminescent material, described quantum dot layer comprises quantum dot, the top of described quantum dot arranges the first electron transfer layer, the below of described quantum dot arranges the second electron transfer layer, and described quantum dot layer also comprises the electrode that makes described quantum dot light emitting, and described electrode is connected with described first electron transfer layer or the second electron transfer layer.
5. a quantum dot liquid crystal module, is characterized in that, comprising:
Quantum dot substrate, be arranged on below Array substrate, red, the green quantum dot layer of embedded photoluminescent material composition is coated with respectively in the upper surface zones of different of described quantum dot substrate, and making the blue light backlight module of described red, green quantum dot light emitting, the light that described quantum dot layer and blue light backlight module send can pass through colored filter substrate.
6. a liquid crystal indicator, comprises quantum dot liquid crystal module and liquid crystal cell, and described liquid crystal cell comprises: colored filter substrate, be arranged on Array substrate below colored filter substrate, and it is characterized in that, described quantum dot liquid crystal module comprises:
Quantum dot substrate, is arranged on below Array substrate, and be coated with red, green, blue quantum dot layer respectively in the upper surface zones of different of described quantum dot substrate, the light that described quantum dot layer sends can pass through colored filter substrate.
7. display device as claimed in claim 6, is characterized in that, described quantum dot layer corresponds to the position described colored filter substrate being arranged RGB colored filter.
8. display device as claimed in claim 7, is characterized in that,
When described colored filter substrate is provided with RGB colored filter, described red, green, blue quantum dot layer corresponds respectively to the position of the red, green, blue three kinds of colored filters on described colored filter substrate;
The light sent when described red, green, blue quantum dot layer and the rgb pixel of liquid crystal cell strictly corresponding, described colored filter substrate is cancelled RGB colored filter.
9. display device as claimed in claim 6, it is characterized in that, when described quantum dot is electroluminescent material, described quantum dot layer comprises quantum dot, the top of described quantum dot arranges the first electron transfer layer, the below of described quantum dot arranges the second electron transfer layer, and described quantum dot layer also comprises the electrode that makes described quantum dot light emitting, and described electrode is connected with described first electron transfer layer or the second electron transfer layer.
10. a liquid crystal indicator, comprises quantum dot liquid crystal module and liquid crystal cell, and described liquid crystal cell comprises: colored filter substrate, be arranged on Array substrate below colored filter substrate, and it is characterized in that, described quantum dot liquid crystal module comprises:
Quantum dot substrate, be arranged on below Array substrate, red, the green quantum dot layer of embedded photoluminescent material composition is coated with respectively in the upper surface zones of different of described quantum dot substrate, and making the blue light backlight module of described red, green quantum dot light emitting, the light that described quantum dot layer and blue light backlight module send can pass through colored filter substrate.
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CN106226943A (en) * | 2016-10-11 | 2016-12-14 | 京东方科技集团股份有限公司 | The quantum dot displays part of method and correspondence for manufacturing quantum dot display device |
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CN105842773A (en) * | 2016-03-30 | 2016-08-10 | 乐视控股(北京)有限公司 | Self-light-emitting light guide plate, backlight module and display device |
CN106226943A (en) * | 2016-10-11 | 2016-12-14 | 京东方科技集团股份有限公司 | The quantum dot displays part of method and correspondence for manufacturing quantum dot display device |
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CN106526971A (en) * | 2016-12-29 | 2017-03-22 | 武汉华星光电技术有限公司 | Quantum dot film, monitor and preparation method for quantum dot film |
CN106707619A (en) * | 2017-01-16 | 2017-05-24 | 深圳市国显科技有限公司 | White area light source and liquid crystal display device thereof |
CN107420856A (en) * | 2017-07-11 | 2017-12-01 | 深圳市华星光电技术有限公司 | A kind of reflector plate and preparation method thereof, backlight module |
CN107153304A (en) * | 2017-07-20 | 2017-09-12 | 武汉华星光电技术有限公司 | Liquid crystal display |
CN107991812A (en) * | 2018-01-29 | 2018-05-04 | 京东方科技集团股份有限公司 | Backlight module and its manufacture method, display device |
CN111833723A (en) * | 2019-04-19 | 2020-10-27 | 云谷(固安)科技有限公司 | Display panel, display device and manufacturing method of quantum dot color filter |
CN112505962A (en) * | 2020-12-21 | 2021-03-16 | 深圳扑浪创新科技有限公司 | Display device and preparation method and application thereof |
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