CN105204103B - quantum dot color filter and liquid crystal display device - Google Patents
quantum dot color filter and liquid crystal display device Download PDFInfo
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- CN105204103B CN105204103B CN201510650285.8A CN201510650285A CN105204103B CN 105204103 B CN105204103 B CN 105204103B CN 201510650285 A CN201510650285 A CN 201510650285A CN 105204103 B CN105204103 B CN 105204103B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
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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
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
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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
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
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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
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
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- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention provides a kind of quantum dot color filter and liquid crystal display device, the quantum dot color filter is mainly made of quanta point material, it arranges in pairs or groups by using quanta point material and Blue backlight, realize that the red, green, blue of quantum dot color filter, white sub-pixel region issue red, green, blue, white light respectively, compared with traditional colored filter being made of chromatic photoresist, colour gamut can be widened, improve the utilization rate of light, promote display brightness and transmitance.A kind of liquid crystal display device provided by the invention is equipped with above-mentioned quantum dot color filter in array substrate or color membrane substrates, so as to widen colour gamut, improves the utilization rate of light, promotes display brightness and transmitance.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of quantum dot color filter and liquid crystal display devices.
Background technique
Liquid crystal display (Liquid Crystal Display, LCD) has thin fuselage, power saving, radiationless etc. numerous excellent
Point, is widely used.Such as：LCD TV, mobile phone, personal digital assistant (PDA), digital camera, computer screen
Curtain or laptop screen etc., occupy an leading position in flat display field.
The working principle of liquid crystal display is in thin-film transistor array base-plate (Thin Film Transistor Array
Substrate, TFT Array Substrate) and colored filter substrate (Color Filter Substrate, CF
Substrate liquid crystal molecule is poured between), and applies driving voltage on two plate bases to control the rotation side of liquid crystal molecule
To, by the light refraction of backlight module come out generate picture.
The color of liquid crystal display is by colored filter (CF, color filter) come what is realized.Traditional colour
Optical filter includes to arrange red photoresist R, green photoresist G and blue light resistance B, the light issued from backlight, warp in certain sequence
When crossing red, green and blue light resistance, the light of only corresponding red, green and blue wave band can be penetrated, by backlight
The light of sending is converted into the light of three kinds of colors of RGB.In order to improve the transmitance of colored filter, RWGWBW is proposed
Color blocking aligning method, i.e., insertion can form the photoresist W of white light, above-mentioned arrangement side between original red, green, blue light resistance
Formula can effectively improve transmitance.
However, traditional colored filter exists bad to the utilization rate of light, transmitance is low, and traditional color blocking material
Transmission peaks it is wider, colour saturation is limited, it is difficult to which the shortcomings that realizing wide colour gamut has been unable to meet requirement of the user to display image quality.
Quantum dot (Quantum Dots, QDs) is a kind of spherical semiconductor nanoparticle being made of II-VI or III-group Ⅴ element,
Partial size is generally at several nanometers between tens nanometer.Presence of the quanta point material due to quantum confined effect, the continuous energy of script
Band becomes discrete level structure, and visible light can be emitted after being excited by the external world.Quanta point material is smaller since its glow peak has
Halfwidth and luminescent color can simply be adjusted by the size, structure or ingredient of quanta point material, therefore, applied
The color saturation and colour gamut of display device can be effectively promoted in a display device.
Summary of the invention
The purpose of the present invention is to provide a kind of quantum dot color filters, can widen colour gamut, improve the utilization rate of light,
Display brightness and transmitance are promoted, the utilization rate for solving traditional color filter light is bad, and transmitance is low and colour gamut is narrow
Problem.
The object of the invention is also to provide a kind of liquid crystal display devices, can widen colour gamut, improve the utilization rate of light, mention
Rise display brightness and transmitance.
To achieve the above object, the present invention provides a kind of quantum dot color filter, including multiple pixel units, the picture
Plain unit includes several red subpixel areas, several green subpixel areas, several blue subpixel areas and several whites
Subpixel area, the red subpixel areas, green subpixel areas, blue subpixel areas and white sub-pixels region
Red, green, blue, white light are issued under the irradiation of blue light respectively；
Wherein, the red subpixel areas is made of the first quantum dot for emitting feux rouges in the case where blue light excites, described green
Sub-pixels region is made of the second quantum dot for emitting green light in the case where blue light excites, and the blue subpixel areas is by transparent material
Material composition, the white sub-pixels region are emitted by the first quantum dot for emitting feux rouges in the case where blue light excites under blue light excitation
Second quantum dot of green light forms or the third quantum dot by emitting yellow light in the case where blue light excites forms.
The pixel unit further includes the blue light filter above the red sub-pixel region and green sub-pixel region
Photosphere, the blue light filter layer can filter out not swashing of appearing from the red sub-pixel region and green sub-pixel region
The Blue backlight for sending out quanta point material, prevents colour mixture.
The pixel unit further includes the black shading strip between adjacent subpixel area.
The pixel unit includes 1 red subpixel areas, 1 green subpixel areas, 1 blue subpixels area
Domain and 3 white sub-pixels regions, arrangement order are：From left to right it is followed successively by：Red subpixel areas, white sub-pixels
Region, green subpixel areas, white sub-pixels region, blue subpixel areas and white sub-pixels region.
The present invention also provides a kind of liquid crystal display devices, including：Array substrate, the coloured silk being oppositely arranged with the array substrate
Ilm substrate, the liquid crystal layer being located between the array substrate and color membrane substrates and the blue light below the array substrate
Backlight module；
Quantum dot color filter is equipped in the array substrate or color membrane substrates, the quantum dot color filter includes
Multiple pixel units, the pixel unit include several red subpixel areas, several green subpixel areas, several blue
Pixel region and several white sub-pixels regions, the red subpixel areas, green subpixel areas, blue subpixels area
Domain and white sub-pixels region issue red, green, blue, white light under the irradiation of blue light respectively；
Wherein, the red subpixel areas is made of the first quantum dot for emitting feux rouges in the case where blue light excites, described green
Sub-pixels region is made of the second quantum dot for emitting green light in the case where blue light excites, and the blue subpixel areas is by transparent material
Material composition, the white sub-pixels region are emitted by the first quantum dot for emitting feux rouges in the case where blue light excites under blue light excitation
Second quantum dot of green light forms or the third quantum dot by emitting yellow light in the case where blue light excites forms.
The pixel unit further includes the blue light filter above the red sub-pixel region and green sub-pixel region
Photosphere, the blue light filter layer can filter out not swashing of appearing from the red sub-pixel region and green sub-pixel region
The Blue backlight for sending out quanta point material, prevents colour mixture.
The pixel unit further includes the black shading strip between adjacent subpixel area.
The pixel unit includes 1 red subpixel areas, 1 green subpixel areas, 1 blue subpixels area
Domain and 3 white sub-pixels regions, arrangement order are：From left to right it is followed successively by：Red subpixel areas, white sub-pixels
Region, green subpixel areas, white sub-pixels region, blue subpixel areas and white sub-pixels region.
Backlight in the blue light backlight module is blue-ray LED.
Beneficial effects of the present invention：The present invention provides a kind of quantum dot color filter and liquid crystal display device, the amount
Son point colored filter is mainly made of quanta point material, is arranged in pairs or groups by using quanta point material and Blue backlight, is realized quantum
The red, green, blue of point colored filter, white sub-pixel region issue red, green, blue, white light respectively, with traditional by chromatic photoresist group
At colored filter compare, colour gamut can be widened, improve the utilization rate of light, promote display brightness and transmitance.The present invention mentions
A kind of liquid crystal display device supplied is equipped with above-mentioned quantum dot color filter in array substrate or color membrane substrates, so as to add
Wide colour gamut improves the utilization rate of light, promotes display brightness and transmitance.
For further understanding of the features and technical contents of the present invention, it please refers to below in connection with of the invention detailed
Illustrate and attached drawing, however, the drawings only provide reference and explanation, is not intended to limit the present invention.
Detailed description of the invention
With reference to the accompanying drawing, by the way that detailed description of specific embodiments of the present invention, technical solution of the present invention will be made
And other beneficial effects are apparent.
In attached drawing,
Fig. 1 is the structural schematic diagram of quantum dot color filter of the invention；
Fig. 2 is the structural schematic diagram of the first embodiment of liquid crystal display device of the invention；
Fig. 3 is the structural schematic diagram of the second embodiment of liquid crystal display device of the invention.
Specific embodiment
Further to illustrate technological means and its effect adopted by the present invention, below in conjunction with preferred implementation of the invention
Example and its attached drawing are described in detail.
Referring to Fig. 1, present invention firstly provides a kind of quantum dot color filters comprising multiple pixel units 1, it is described
Pixel unit 1 includes several red subpixel areas 2, several green subpixel areas 4, several blue subpixel areas 6 and number
A white sub-pixels region 8, the red subpixel areas 2, green subpixel areas 4, blue subpixel areas 6 and white
Subpixel area 8 issues red, green, blue, white light under the irradiation of blue light respectively；
Wherein, the red subpixel areas 2 is made of the first quantum dot for emitting feux rouges in the case where blue light excites, described green
Sub-pixels region 4 is made of the second quantum dot for emitting green light in the case where blue light excites, and the blue subpixel areas 6 is by transparent
Material composition, the white sub-pixels region 8 is by emitting the first quantum dot of feux rouges in the case where blue light excites and under blue light excitation
The second quantum dot composition of transmitting green light or the third quantum dot by emitting yellow light in the case where blue light excites form.
Specifically, when the white sub-pixels region 8 is by emitting the first quantum dot of feux rouges in the case where blue light excites and in indigo plant
When the second quantum dot composition of the lower transmitting green light of light excitation, under the irradiation of blue light, issued in the white sub-pixels region 8
Red, green light and Blue backlight are mixed to form white light.
Specifically, when the white sub-pixels region 8 in the third quantum dot for emitting yellow light under blue light excites by forming,
Under the irradiation of blue light, the yellow light and Blue backlight issued in the white sub-pixels region 8 is mixed to form white light.
Preferably, the pixel unit 1 further includes being set in the red subpixel areas 2 and green subpixel areas 4
The blue light filter layer 7 of side, the blue light filter layer 7 can be filtered out from the red subpixel areas 2 and green sub-pixels area
What is appeared in domain 4 does not excite the Blue backlight of quanta point material, prevents the Blue backlight appeared to the red subpixel areas 2
Colour mixture is carried out with red, the green light issued in green subpixel areas 4.
Preferably, the blue subpixel areas 6 is made of transparent insulation material.
Specifically, the pixel unit 1 further includes the black shading strip 9 between adjacent subpixel area, prevent
The light issued in adjacent subpixel area carries out colour mixture.
Specifically, the pixel unit 1 includes 14,1 blue of green subpixel areas of red subpixel areas 2,1
Subpixel area 6 and 3 white sub-pixels regions 8, arrangement order are：From left to right it is followed successively by：Red subpixel areas 2,
White sub-pixels region 8, green subpixel areas 4, white sub-pixels region 8, blue subpixel areas 6 and white sub-pixels
Region 8.
Fig. 2-3 is please referred to, the present invention also provides a kind of liquid crystal display devices, including：Array substrate 10 and the array base
It color membrane substrates 20 that plate 10 is oppositely arranged, the liquid crystal layer 30 being located between the array substrate 10 and color membrane substrates 20 and sets
Blue light backlight module 40 in 10 lower section of array substrate；
Quantum dot color filter 50, the quantum dot colorized optical filtering are equipped in the array substrate 10 or color membrane substrates 20
Piece 50 includes multiple pixel units 1, and the pixel unit 1 includes several red subpixel areas 2, several green subpixel areas
4, several blue subpixel areas 6 and several white sub-pixels regions 8, the red subpixel areas 2, green sub-pixels area
Domain 4, blue subpixel areas 6 and white sub-pixels region 8 issue red, green, blue, white light under the irradiation of blue light respectively；
Wherein, the red subpixel areas 2 is made of the first quantum dot for emitting feux rouges in the case where blue light excites, described green
Sub-pixels region 4 is made of the second quantum dot for emitting green light in the case where blue light excites, and the blue subpixel areas 6 is by transparent
Material composition, the white sub-pixels region 8 is by emitting the first quantum dot of feux rouges in the case where blue light excites and under blue light excitation
The second quantum dot composition of transmitting green light or the third quantum dot by emitting yellow light in the case where blue light excites form.
Specifically, when the white sub-pixels region 8 is by emitting the first quantum dot of feux rouges in the case where blue light excites and in indigo plant
When the second quantum dot composition of the lower transmitting green light of light excitation, under the irradiation of blue light, issued in the white sub-pixels region 8
Red, green light and Blue backlight are mixed to form white light.
Specifically, when the white sub-pixels region 8 in the third quantum dot for emitting yellow light under blue light excites by forming,
Under the irradiation of blue light, the yellow light and Blue backlight issued in the white sub-pixels region 8 is mixed to form white light.
Preferably, the blue subpixel areas 6 is made of transparent insulation material.
Preferably, the pixel unit 1 further includes being set in the red subpixel areas 2 and green subpixel areas 4
The blue light filter layer 7 of side, the blue light filter layer 7 can be filtered out from the red subpixel areas 2 and green sub-pixels area
What is appeared in domain 4 does not excite the Blue backlight of quanta point material, prevents the Blue backlight appeared to the red subpixel areas 2
Colour mixture is carried out with red, the green light issued in green subpixel areas 4.
Specifically, the pixel unit 1 further includes the black shading strip 9 between adjacent subpixel area, prevent
The light issued in adjacent subpixel area carries out colour mixture.
Specifically, the pixel unit 1 includes 14,1 blue of green subpixel areas of red subpixel areas 2,1
Subpixel area 6 and 3 white sub-pixels regions 8, arrangement order are：From left to right it is followed successively by：Red subpixel areas 2,
White sub-pixels region 8, green subpixel areas 4, white sub-pixels region 8, blue subpixel areas 6 and white sub-pixels
Region 8.
Specifically, the backlight in the blue light backlight module 40 is blue-ray LED.
Referring to Fig. 2, being the first embodiment of liquid crystal display device of the present invention, filled in the liquid crystal display of the first embodiment
In setting, the quantum dot color filter 50 is set in array substrate 10.
Referring to Fig. 3, being the second embodiment of liquid crystal display device of the present invention, filled in the liquid crystal display of the second embodiment
In setting, the quantum dot color filter 50 is set in color membrane substrates 20.
In conclusion the present invention provides a kind of quantum dot color filter and liquid crystal display device, the quantum dot is colored
Optical filter is mainly made of quanta point material, is arranged in pairs or groups by using quanta point material and Blue backlight, realizes the filter of quantum dot colour
The red, green, blue of mating plate, white sub-pixel region issue red, green, blue, white light respectively, with traditional colour being made of chromatic photoresist
Optical filter is compared, and colour gamut can be widened, and improves the utilization rate of light, promotes display brightness and transmitance.One kind provided by the invention
Above-mentioned quantum dot color filter is equipped in liquid crystal display device, array substrate or color membrane substrates to mention so as to widen colour gamut
The utilization rate of bloom promotes display brightness and transmitance.
The above for those of ordinary skill in the art can according to the technique and scheme of the present invention and technology
Other various corresponding changes and modifications are made in design, and all these change and modification all should belong to the claims in the present invention
Protection scope.
Claims (7)
1. a kind of quantum dot color filter, which is characterized in that including multiple pixel units (1), the pixel unit (1) includes
Several red subpixel areas (2), several green subpixel areas (4), several blue subpixel areas (6) and several whites
Subpixel area (8), the red subpixel areas (2), green subpixel areas (4), blue subpixel areas (6) and white
Sub-pixels region (8) issues red, green, blue, white light under the irradiation of blue light respectively；
Wherein, the red subpixel areas (2) is made of the first quantum dot for emitting feux rouges in the case where blue light excites, the green
Subpixel area (4) is made of the second quantum dot for emitting green light in the case where blue light excites, and the blue subpixel areas (6) is by saturating
Bright insulating materials composition, the white sub-pixels region (8) is by emitting the first quantum dot of feux rouges in the case where blue light excites and in indigo plant
The the second quantum dot composition or the third quantum dot by emitting yellow light in the case where blue light excites of the lower transmitting green light of light excitation form；
The pixel unit (1) includes 1 red subpixel areas (2), 1 green subpixel areas (4), 1 sub- picture of blue
Plain region (6) and 3 white sub-pixels regions (8), arrangement order are：From left to right it is followed successively by：Red subpixel areas
(2), white sub-pixels region (8), green subpixel areas (4), white sub-pixels region (8), blue subpixel areas (6),
And white sub-pixels region (8).
2. quantum dot color filter as described in claim 1, which is characterized in that the pixel unit (1) further includes being set to
Blue light filter layer (7) above the red subpixel areas (2) and green subpixel areas (4), the blue light filter layer (7)
Can filter out appeared from the red subpixel areas (2) and green subpixel areas (4) do not excite quanta point material
Blue backlight, prevent colour mixture.
3. quantum dot color filter as described in claim 1, which is characterized in that the pixel unit (1) further includes being set to
Black shading strip (9) between adjacent subpixel area.
4. a kind of liquid crystal display device, which is characterized in that including：Array substrate (10) is set relatively with the array substrate (10)
It the color membrane substrates (20) set, the liquid crystal layer (30) being located between the array substrate (10) and color membrane substrates (20) and is set to
Blue light backlight module (40) below the array substrate (10)；
Quantum dot color filter (50) are equipped in the array substrate (10) or color membrane substrates (20), the quantum dot colour filter
Mating plate (50) includes multiple pixel units (1), and the pixel unit (1) includes several red subpixel areas (2), several greens
Subpixel area (4), several blue subpixel areas (6) and several white sub-pixels regions (8), the red sub-pixel area
Domain (2), green subpixel areas (4), blue subpixel areas (6) and white sub-pixels region (8) are respectively in the irradiation of blue light
Lower sending red, green, blue, white light；
Wherein, the red subpixel areas (2) is made of the first quantum dot for emitting feux rouges in the case where blue light excites, the green
Subpixel area (4) is made of the second quantum dot for emitting green light in the case where blue light excites, and the blue subpixel areas (6) is by saturating
Bright insulating materials composition, the white sub-pixels region (8) is by emitting the first quantum dot of feux rouges in the case where blue light excites and in indigo plant
The the second quantum dot composition or the third quantum dot by emitting yellow light in the case where blue light excites of the lower transmitting green light of light excitation form；
The pixel unit (1) includes 1 red subpixel areas (2), 1 green subpixel areas (4), 1 sub- picture of blue
Plain region (6) and 3 white sub-pixels regions (8), arrangement order are：From left to right it is followed successively by：Red subpixel areas
(2), white sub-pixels region (8), green subpixel areas (4), white sub-pixels region (8), blue subpixel areas (6),
And white sub-pixels region (8).
5. liquid crystal display device as claimed in claim 4, which is characterized in that the pixel unit (1) further includes set on described
Blue light filter layer (7) above red subpixel areas (2) and green subpixel areas (4), the blue light filter layer (7) can
Filter out the indigo plant for not exciting quanta point material appeared from the red subpixel areas (2) and green subpixel areas (4)
Color backlight, prevents colour mixture.
6. liquid crystal display device as claimed in claim 4, which is characterized in that the pixel unit (1) further includes set on adjacent
Subpixel area between black shading strip (9).
7. liquid crystal display device as claimed in claim 4, which is characterized in that the backlight in the blue light backlight module (40)
For blue-ray LED.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510650285.8A CN105204103B (en) | 2015-10-09 | 2015-10-09 | quantum dot color filter and liquid crystal display device |
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| CN201510650285.8A CN105204103B (en) | 2015-10-09 | 2015-10-09 | quantum dot color filter and liquid crystal display device |
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| CN105204103B true CN105204103B (en) | 2018-11-23 |
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| CN108761894B (en) * | 2018-07-03 | 2022-04-15 | 京东方科技集团股份有限公司 | Color film substrate, preparation method thereof, display panel and display device |
| CN109298563A (en) * | 2018-11-29 | 2019-02-01 | 武汉华星光电技术有限公司 | A kind of display panel and its display device |
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| CN102759050B (en) * | 2012-07-09 | 2015-08-05 | 创维液晶器件(深圳)有限公司 | Backlight module and liquid crystal indicator |
| CN102944943B (en) * | 2012-11-09 | 2016-03-16 | 京东方科技集团股份有限公司 | quantum dot color filter, liquid crystal panel and display device |
| CN103278876A (en) * | 2013-05-28 | 2013-09-04 | 京东方科技集团股份有限公司 | Quantum dot color filter and manufacturing method thereof and display device |
| CN104460103B (en) * | 2014-12-29 | 2018-08-24 | 厦门天马微电子有限公司 | Colored optical filtering substrates and display module |
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