CN110441956A - Quantum stippling film and display device - Google Patents
Quantum stippling film and display device Download PDFInfo
- Publication number
- CN110441956A CN110441956A CN201910768491.7A CN201910768491A CN110441956A CN 110441956 A CN110441956 A CN 110441956A CN 201910768491 A CN201910768491 A CN 201910768491A CN 110441956 A CN110441956 A CN 110441956A
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- stippling film
- quantum
- layer
- quantum stippling
- substrate
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- 239000010410 layer Substances 0.000 claims abstract description 53
- 239000000758 substrate Substances 0.000 claims abstract description 28
- 229920000642 polymer Polymers 0.000 claims abstract description 25
- 239000002096 quantum dot Substances 0.000 claims abstract description 23
- 239000011159 matrix material Substances 0.000 claims abstract description 17
- 239000013047 polymeric layer Substances 0.000 claims abstract description 12
- 229920000307 polymer substrate Polymers 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910044991 metal oxide Inorganic materials 0.000 claims description 4
- 150000004706 metal oxides Chemical class 0.000 claims description 4
- 229910002064 alloy oxide Inorganic materials 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 150000004767 nitrides Chemical class 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000737 Duralumin Inorganic materials 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 238000001947 vapour-phase growth Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- G02F1/133553—Reflecting elements
-
- 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
- G02F1/133617—Illumination with ultraviolet light; Luminescent elements or materials associated to the cell
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/856—Arrangements for extracting light from the devices comprising reflective means
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
This application discloses a kind of quantum stippling film and display devices.Quantum stippling film includes: transparent substrate；Black matrix on the transparent substrate is set, and the black matrix has multiple pixel openings；Contain quantum dot polymeric layer in at least partly described pixel openings；The inner wall of the pixel openings containing quantum dot polymeric layer contains reflection layer.Light-emitting layer is set by the inner wall in pixel openings, can reduce absorption of the black matrix to the transmitting light of quanta polymer layer, to increase the light conversion efficiency of quantum stippling film.
Description
Technical field
This application involves display field more particularly to a kind of quantum stippling film and display devices.
Background technique
Since quantum dot has many advantages, such as that half-peak width, emission peak positions are adjustable, it is widely used as in display device.Than
Such as, generally the light conversion material that quanta polymer material is filled in the opening of black matrix" as color film is used, with
Past filter is compared, and the display device based on quantum stippling film has higher display colour gamut.
But it is larger with the contact surface of black matrix" open side due to quanta polymer layer, so that quantum dot is poly-
The major part for closing the light that nitride layer issues is absorbed by black matrix", so that the light conversion efficiency of quantum stippling film is lower.
Summary of the invention
The application's is designed to provide a kind of quantum stippling film and display device, to solve the light conversion of quantum stippling film
The lower problem of efficiency.
According to the one aspect of the application, a kind of quantum stippling film is provided, comprising: transparent substrate；It is arranged described transparent
Black matrix on substrate, the black matrix have multiple pixel openings；It is poly- containing quantum dot in at least partly described pixel openings
Close nitride layer；The inner wall of the pixel openings containing quantum dot polymeric layer contains reflection layer.
Preferably, the reflection layer is metal, alloy or metal oxide.
Preferably, the thickness of the reflection layer is between 5-100 nanometers.
Preferably, the thickness of the quanta polymer layer and the depth of the pixel openings are of substantially equal.
Preferably, the quanta polymer layer includes polymer substrate and quantum dot dispersed therein.
Preferably, the side far from the transparent substrate of the quanta polymer layer is provided with encapsulated layer.
Preferably, the quanta polymer layer in the pixel openings includes emitting first of the first light, and transmitting
Second of second of light.
Preferably, colour filter is additionally provided between the quanta polymer layer and the transparent substrate.
According to further aspect of the application, a kind of display device is provided, comprising: back light unit, and as above any institute
The quantum stippling film stated, and the liquid crystal layer between the back light unit and the quantum stippling film.
According to further aspect of the application, a kind of display device is provided, comprising: the substrate with multiple pixel regions；
Electroluminescent device is located in the pixel region；And the quantum stippling film as described above in face of the substrate, it is described
The pixel openings of quantum stippling film and the pixel region of substrate are correspondingly arranged.
The application, which has the following beneficial effects:, is arranged light-emitting layer by the inner wall in pixel openings, can reduce black square
Absorption of the battle array to the transmitting light of quanta polymer layer, to increase the light conversion efficiency of quantum stippling film.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of quantum stippling film in the application one schematical embodiment；
Fig. 2 is the structural schematic diagram of quantum stippling film in the application one schematical embodiment；
Fig. 3 is the structural schematic diagram of quantum stippling film in the application one schematical embodiment；
Fig. 4 is the structural schematic diagram of display device in the application one schematical embodiment；
Fig. 5 is the structural schematic diagram of display device in the application one schematical embodiment.
Specific embodiment
Below in conjunction with the application embodiment, technical solutions in the embodiments of the present application is described in detail.It answers
It is noted that described embodiment is only a part of embodiment of the application, rather than whole embodiments.
According to some illustrative embodiments of the application, as described in Figure 1, quantum stippling film 10, including transparent substrate 11,
Black matrix 12 on the surface of transparent substrate 11 is set, and black matrix 12 includes multiple pixel openings 121, at least part of pixel
Contain quantum dot polymeric layer 13 in opening 121, it is anti-that the inner wall of the pixel openings 121 containing quantum dot polymeric layer 13 contains light
Penetrate layer 14.
Black matrix 12 separates multiple pixel openings 121 so that different pixels opening 121 between it is luminous not by mutually it
Between influence.Quanta polymer layer 13 can emit the light of another color under the excitation by external light source.Reflection layer
14 for reflecting the light of the transmitting of quantum dot polymeric layer 13, to reduce the inner wall of pixel openings 121 to quanta polymer layer
The absorption of the light of 13 transmittings, the further light conversion efficiency for improving quanta polymer layer 13.
The constituent material of reflection layer 14 can be metal, alloy or metal oxide.For example, metal can for aluminium,
Silver, gold, copper, tin or nickel.Alloy can be steel, stainless steel or duralumin.Metal oxide can be zinc oxide or oxidation
Aluminium.
The preparation of reflection layer 14 can such as be deposited by vapor phase growth, sputter mode forms, and can also pass through painting
Cover, spray or the modes such as ink-jet and formed.
The thickness of reflection layer 14 is preferably between 5-100 nanometers, for example, can receive for 5,10,20,50,80 or 100
Rice.
In the embodiment of the application, the thickness and the basic phase of depth of pixel openings 121 of quanta polymer layer 13
Deng.That is, pixel openings 121 are essentially filled with by quanta polymer layer 13.
Quanta polymer layer includes polymer substrate and quantum dot dispersed therein, and polymer substrate can be poly-
Acrylic resin, poly epoxy resin, polyamino resin or poly- silicone resin etc..Quantum dot can be II-VI group compound, III-V
Compounds of group, group IV-VI compound, IV race element or compound, I-III-VI group compound, I-II-IV-VI compounds of group,
Perovskite compound or combinations thereof.
In one embodiment, as shown in Fig. 2, quantum stippling film 20, including transparent substrate 21, it is arranged in transparent substrate 21
Surface on black matrix 22, black matrix 22 includes multiple pixel openings 221, amount at least part of pixel openings 221
Son point polymeric layer 23, the inner wall of the pixel openings 221 containing quantum dot polymeric layer 23 contain reflection layer 24, and quantum dot is poly-
It closes and is additionally provided with colour filter 25 between nitride layer 23 and transparent substrate 21.
Inventor has found that under normal circumstances, quantum dot emits backlight in quanta polymer layer 23 in an experiment
The light conversion efficiency of exciting light is unable to reach absolutely, i.e., part light in exciting light is according to then passing through quanta polymer
Layer, to contain from the light issued in pixel openings there are two types of light: non-switched exciting light and quantum dot emit after being excited
Light.In this way, leading to not reach display effect.And by being arranged between quanta polymer layer 23 and transparent substrate 21
After colour filter 25, the reduction for the property of can choose or the non-switched exciting light in this part is eliminated, to reach preset display effect
Fruit.
Continue to see Fig. 2, the side of the separate transparent substrate 20 of quanta polymer layer 23 is additionally provided with encapsulated layer 26, encapsulation
Layer 26 is for quanta polymer layer 23 to be sealed in pixel openings 221, thus reduce destruction of the external environment to quantum dot,
Increase the service life of quantum stippling film.
In one embodiment, as shown in figure 3, quantum stippling film 30, including transparent substrate 31, it is arranged in transparent substrate 31
Surface on black matrix 32, black matrix 32 includes multiple pixel openings 321, amount at least part of pixel openings 321
Son point polymeric layer 33, the inner wall of the pixel openings 321 containing quantum dot polymeric layer 33 contain reflection layer 34, and quantum dot is poly-
It closes and is additionally provided with colour filter 35 between nitride layer 33 and transparent substrate 31.Quanta polymer layer 33 includes emit the first light the
One 331, and transmitting second 332 of second of light.Also outs open does not fill quantum dot in pixel openings 321 poly-
Nitride layer 33 is closed, to when in use, can directly allow the light in backlight to pass through, constitutes another pixel face in display device
Color.For example, the light of backlight transmitting can be blue light, and the first light and second of light are respectively red and green.
According to another embodiment of the application, as shown in figure 4, providing a kind of display device 4, display device 4 includes amount
Sub- stippling film 40, for providing the backlight 42 of light, and the liquid crystal layer 41 between backlight 42 and quantum stippling film 40.
According to another embodiment of the application, as shown in figure 5, providing a kind of display device 5, display device 5 includes tool
There are the substrate 51 of multiple pixel regions 511, the electroluminescent device 512 in pixel region 511；And face the substrate
The quantum stippling film 50 of 51 settings, pixel openings 521 and the pixel region 511 of quantum stippling film 50 are correspondingly arranged.
Although inventor has done more detailed elaboration to the technical solution of the application and has enumerated, it should be understood that for
For those skilled in the art, above-described embodiment is modified and/or the flexible or equivalent alternative solution of use is obvious
, cannot all be detached from the essence of the application spirit, the term occurred in the application be used for elaboration to technical scheme and
Understand, the limitation to the application can not be constituted.
Claims (10)
1. a kind of quantum stippling film characterized by comprising
Transparent substrate；And
Black matrix on the transparent substrate is set, and the black matrix has multiple pixel openings；
Wherein, quantum dot polymeric layer, the picture containing quantum dot polymeric layer are contained in at least partly described pixel openings
The inner wall of element opening contains reflection layer.
2. quantum stippling film according to claim 1, which is characterized in that the reflection layer is metal, alloy or metal
Oxide.
3. quantum stippling film according to claim 1, which is characterized in that the thickness of the reflection layer is in 5-100 nanometer
Between.
4. quantum stippling film according to claim 1, which is characterized in that the thickness and the picture of the quanta polymer layer
The depth of element opening is of substantially equal.
5. quantum stippling film according to claim 1, which is characterized in that the quanta polymer layer includes polymer substrate
With the quantum dot being dispersed in the polymer substrate.
6. quantum stippling film according to claim 1, which is characterized in that the quanta polymer layer and the transparent substrate
Between be additionally provided with colour filter.
7. quantum stippling film according to claim 1, which is characterized in that the quanta polymer layer far from described transparent
The side of substrate is provided with encapsulated layer.
8. quantum stippling film according to claim 1, which is characterized in that the quanta polymer layer packet in the pixel openings
Include first for emitting the first light, and second of second of light of transmitting.
9. display device characterized by comprising
Back light unit, and the quantum stippling film as described in any in claim 1 to 8, and between the back light unit and institute
State the liquid crystal layer between quantum stippling film.
10. display device characterized by comprising
Substrate with multiple pixel regions；
Electroluminescent device is located in the pixel region；
And the quantum stippling film as described in any in claim 1 to 8 in face of the substrate, the quantum stippling film
The pixel region of pixel openings and substrate is correspondingly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910768491.7A CN110441956A (en) | 2019-08-20 | 2019-08-20 | Quantum stippling film and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910768491.7A CN110441956A (en) | 2019-08-20 | 2019-08-20 | Quantum stippling film and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110441956A true CN110441956A (en) | 2019-11-12 |
Family
ID=68436524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910768491.7A Withdrawn CN110441956A (en) | 2019-08-20 | 2019-08-20 | Quantum stippling film and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110441956A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111063269A (en) * | 2019-12-17 | 2020-04-24 | 深圳市华星光电半导体显示技术有限公司 | Display panel |
| CN111580301A (en) * | 2020-06-10 | 2020-08-25 | 京东方科技集团股份有限公司 | Color film substrate, manufacturing method thereof and display device |
| CN112037674A (en) * | 2020-09-22 | 2020-12-04 | 京东方科技集团股份有限公司 | Area light source, manufacturing method thereof and display device |
| CN112631021A (en) * | 2020-12-25 | 2021-04-09 | 舟山扑浪实业有限公司 | Quantum dot display panel and self-assembly preparation method thereof |
| WO2021082042A1 (en) * | 2019-10-28 | 2021-05-06 | 深圳市华星光电半导体显示技术有限公司 | Display panel and fabrication method therefor |
| CN113614933A (en) * | 2020-03-03 | 2021-11-05 | 东莞市中麒光电技术有限公司 | Light emitting diode and preparation method thereof |
| CN113745292A (en) * | 2021-08-27 | 2021-12-03 | 深圳市华星光电半导体显示技术有限公司 | Quantum dot color film substrate, manufacturing method thereof and quantum dot display device |
| TWI797846B (en) * | 2021-11-24 | 2023-04-01 | 財團法人工業技術研究院 | Color conversion unit, color conversion structure using the same, and light-emitting diode display using the same |
-
2019
- 2019-08-20 CN CN201910768491.7A patent/CN110441956A/en not_active Withdrawn
Cited By (11)
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| WO2021082042A1 (en) * | 2019-10-28 | 2021-05-06 | 深圳市华星光电半导体显示技术有限公司 | Display panel and fabrication method therefor |
| CN111063269A (en) * | 2019-12-17 | 2020-04-24 | 深圳市华星光电半导体显示技术有限公司 | Display panel |
| CN113614933A (en) * | 2020-03-03 | 2021-11-05 | 东莞市中麒光电技术有限公司 | Light emitting diode and preparation method thereof |
| US12068357B2 (en) | 2020-03-03 | 2024-08-20 | Hcp Technology Co., Ltd. | Light emitting diode and preparation method therefor |
| CN111580301A (en) * | 2020-06-10 | 2020-08-25 | 京东方科技集团股份有限公司 | Color film substrate, manufacturing method thereof and display device |
| WO2021249075A1 (en) * | 2020-06-10 | 2021-12-16 | 京东方科技集团股份有限公司 | Color film substrate, fabrication method therefor and display device |
| CN111580301B (en) * | 2020-06-10 | 2022-07-12 | 京东方科技集团股份有限公司 | Color film substrate, manufacturing method thereof and display device |
| CN112037674A (en) * | 2020-09-22 | 2020-12-04 | 京东方科技集团股份有限公司 | Area light source, manufacturing method thereof and display device |
| CN112631021A (en) * | 2020-12-25 | 2021-04-09 | 舟山扑浪实业有限公司 | Quantum dot display panel and self-assembly preparation method thereof |
| CN113745292A (en) * | 2021-08-27 | 2021-12-03 | 深圳市华星光电半导体显示技术有限公司 | Quantum dot color film substrate, manufacturing method thereof and quantum dot display device |
| TWI797846B (en) * | 2021-11-24 | 2023-04-01 | 財團法人工業技術研究院 | Color conversion unit, color conversion structure using the same, and light-emitting diode display using the same |
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Application publication date: 20191112 |
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| WW01 | Invention patent application withdrawn after publication |