CN105158954B - High colour gamut liquid crystal display and its manufacturing method - Google Patents
High colour gamut liquid crystal display and its manufacturing method Download PDFInfo
- Publication number
- CN105158954B CN105158954B CN201510657063.9A CN201510657063A CN105158954B CN 105158954 B CN105158954 B CN 105158954B CN 201510657063 A CN201510657063 A CN 201510657063A CN 105158954 B CN105158954 B CN 105158954B
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- liquid crystal
- crystal display
- cover board
- display panel
- colour gamut
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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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- 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
-
- 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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133314—Back frames
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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)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
Present invention discloses a kind of high colour gamut liquid crystal display and its manufacturing methods, high colour gamut liquid crystal display includes the first cover board, the first cover board back side is fixedly installed liquid crystal display panel, LCD display back is equipped with the second cover board, a confined space is formed between second cover board and liquid crystal display panel, it is filled with optics glue in confined space, quantum dot particle is uniformly mixed in optics glue, the second cover board back side is equipped with backlight module.High colour gamut liquid crystal display of the invention is equipped with optics glue between backlight module and liquid crystal display panel, and prevent the quantum dot particle in optics glue and the oxygen in air from chemical reaction failure occurs using the confined space between the second cover board and liquid crystal display panel, due to being flow-like before the solidification of optics glue, it is the shape for adapting to liquid crystal display panel shape after solidification, high colour gamut liquid crystal display of the invention is especially suitable for being designed as various irregular shapes.
Description
Technical field
The present invention relates to liquid crystal display manufacturing technology fields, and in particular to a kind of liquid crystal display and its system of high colour gamut
Make method.
Background technique
Quantum dot (Quantum Dots, QDs), and can claim nanocrystalline, it is a kind of by II-VI group or iii-v member
The nano particle of element composition.The partial size of quantum dot is typically in the range of between 1~20nm, since electrons and holes are by quantum confinement, even
Continuous band structure becomes the discrete energy level structure with molecular characterization, and fluorescence can be emitted after being excited.
The emission spectrum of quantum dot can be controlled by changing the size of quantum dot.By the ruler for changing quantum dot
The very little chemical composition with it can make its emission spectrum cover entire visible region.By taking CdTe quantum as an example, when its partial size
When growing into 4.0nm from 2.5nm, their launch wavelength can be from 510nm red shift to 660nm.
Currently, fluorescent marker can be applied to using quantum dot as molecular probe using the characteristics of luminescence of quantum dot, it can also
To be applied in display device, such as using monochromatic quantum dot as the light emitting source of the backlight module of liquid crystal display, monochromatic quantum
Point issues monochromatic light after being excited by blue-ray LED and blue light forms white background light, has biggish colour gamut, can improve
Picture quality.
The existing technology of quantum dots for liquid crystal display manufacture, mainly uses following 2 kinds of modes:
1, on the basis of available liquid crystal display screen structure, one layer of increase includes the film of quanta point material, works as light
When across the film and optical filter, screen color can be improved;
2, quanta point material is filled into the glass tube of elongate, then the light source in the glass tube and display screen is mounted on
Together.
The existing technology of quantum dots for liquid crystal display manufacture has the shortcomings that processing procedure difficulty, and due to quantum dot
Carrier be solid film or glass tube, cause technology of quantum dots to be dfficult to apply to the liquid crystal display of manufacture irregular shape
Screen.
Summary of the invention
The purpose of the present invention is to provide the liquid crystal displays and its manufacturing method of a kind of high colour gamut.
For achieving the above object, the present invention adopts the following technical scheme:
High colour gamut liquid crystal display, including the first cover board, first cover board back side are fixedly installed liquid crystal display panel,
The LCD display back is equipped with the second cover board, and it is close to be formed with one between second cover board and the liquid crystal display panel
It closes space, optics glue is filled in the confined space, be uniformly mixed with quantum dot particle in the optics glue, described the
The two cover board back sides are equipped with backlight module, and the optics glue is formed in confined space by coating method, and after dry solidification
The optics glue is connected and fixed second cover board and the liquid crystal display panel.
Technical solution as a further improvement of that present invention: along side between second cover board and the liquid crystal display panel
Edge is equipped with a circle sealant, and the sealant, the second cover board, liquid crystal display panel collectively form the confined space.
Technical solution as a further improvement of that present invention: the liquid crystal display panel passes through gelatine layer and first lid
The back side of plate is fixedly connected.
Technical solution as a further improvement of that present invention: the liquid crystal display panel includes close to first cover board one
The optical filter of side, the liquid crystal display panel further include the tft layer positioned at the optical filter back side.
Technical solution as a further improvement of that present invention: first cover board is that glass or PMMA or PET material are made
At.
Technical solution as a further improvement of that present invention: second cover board is also glass or PMMA or PET material institute
It is made.
Technical solution as a further improvement of that present invention: the shape of first cover board and second cover board with it is described
The shape of liquid crystal display panel is adapted.
The manufacturing method of high colour gamut liquid crystal display, comprising the following steps:
Liquid crystal display panel is fixed on the first cover board back side;
The optics glue of quantum dot particle is mixed in LCD display back even spread;
By the pressing of the second cover board on optics glue;
After the dry solidification of optics glue, a confined space is formed between the second cover board and liquid crystal display panel, by light
Glue is learned to separate with outside air;
Backlight module is installed at the second cover board back side.
Technical solution as a further improvement of that present invention: after the dry solidification of optics glue, along the optics glue
Periphery applying paste forms a confined space between the second cover board and the liquid crystal display panel.
Technical solution as a further improvement of that present invention: the liquid crystal display panel is fixed on the first lid by gelatine layer
Back.
Compared with the existing technology, the technical effects of the invention are that:
High colour gamut liquid crystal display of the invention is equipped with optics glue, and benefit between backlight module and liquid crystal display panel
The quantum dot particle in optics glue and the oxygen in air are prevented with the confined space between the second cover board and liquid crystal display panel
Chemical reaction failure occurs for gas, due to being flow-like before the solidification of optics glue, adapts to liquid crystal display panel shape after solidification
Shape, high colour gamut liquid crystal display of the invention are especially suitable for being designed as various irregular shapes.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of high colour gamut liquid crystal display in embodiment 1;
Fig. 2 is the configuration schematic diagram of high colour gamut liquid crystal display in embodiment 1.
Specific embodiment
Below with reference to specific embodiment shown in the drawings, the present invention will be described in detail.But these embodiments are simultaneously
The present invention is not limited, structure that those skilled in the art are made according to these embodiments, method or functionally
Transformation is included within the scope of protection of the present invention.
According to Fig. 1 to 2, high colour gamut liquid crystal display 100, including the first cover board 1,1 back side of the first cover board are fixedly installed
Liquid crystal display panel 2,2 back side of liquid crystal display panel are equipped with the second cover board 3, are formed between the second cover board 3 and liquid crystal display panel 2
There is a confined space, optics glue 4 is filled in confined space, quantum dot particle, the second lid are uniformly mixed in optics glue 4
3 back side of plate is equipped with backlight module 5.
Confined space between second cover board 3 and liquid crystal display panel 2 is prevented for optics glue 4 and outside air to be isolated
Only the oxygen in the quantum dot particle and air in optics glue 4 occurs chemical reaction and fails.
The mode multiplicity of confined space is formed, for example can also be arranged at 3 edge of the second cover board towards liquid crystal display panel 2
Chimb is bonded in 2 back side of liquid crystal display panel and forms confined space, it is contemplated that operation difficulty and is produced by the chimb of extension
This, along one circle sealant 6 of edge setting, sealant 6, the second cover board preferably between the second cover board 3 and liquid crystal display panel 2
3,2 three of liquid crystal display panel collectively forms confined space.
Liquid crystal display panel 2 is fixedly connected by gelatine layer 7 with the back side of the first cover board 1, and 7 filling liquid crystal of gelatine layer is shown
Gap between panel 2 and the first cover board 1 is not present air layer, can make height between liquid crystal display panel 2 and the first cover board 1
Colour gamut liquid crystal display 100 has better display effect, and does not allow to tend to have dust or steam enters 2 He of liquid crystal display panel
Between first cover board 1, the service life of high colour gamut liquid crystal display 100 can be extended.
Liquid crystal display panel 2 includes the optical filter 21 close to 1 side of the first cover board, and liquid crystal display panel 2 further includes being located at
The tft layer 22 at 21 back side of optical filter.
In order to obtain preferably fitting effect, the shape of the shape and liquid crystal display panel 2 of the first cover board 1 and the second cover board 3
Shape is adapted, specifically, the shape of the first cover board 1 and the positive shape of optical filter 21 are adapted, the shape of the second cover board 3 with it is thin
The shape at 22 back side of film transistor layer is adapted.
First cover board 1 and the second cover board 3 are both preferably made by glass or PMMA or PET material.
The invention also discloses a kind of manufacturing methods of high colour gamut liquid crystal display 100, comprising the following steps:
Liquid crystal display panel 2 is fixed on 1 back side of the first cover board by gelatine layer 7;
The optics glue 4 of quantum dot particle is mixed in 2 back side even spread of liquid crystal display panel;
By the pressing of the second cover board 3 on optics glue 4;
After the dry solidification of optics glue 4, along the periphery applying paste 6 of the optics glue 4, the second cover board 3 with
A confined space is formed between the liquid crystal display panel 2, optics glue 4 is separated with outside air;
Backlight module 5 is installed at 3 back side of the second cover board.
Using the optical characteristics of quantum dot particle in optics glue 4, the colour gamut of liquid crystal display can be substantially improved.
High colour gamut liquid crystal display of the invention is equipped with optics glue, and benefit between backlight module and liquid crystal display panel
The quantum dot particle in optics glue and the oxygen in air are prevented with the confined space between the second cover board and liquid crystal display panel
Chemical reaction failure occurs for gas, due to being flow-like before the solidification of optics glue, adapts to liquid crystal display panel shape after solidification
Shape, high colour gamut liquid crystal display of the invention are especially suitable for being designed as various irregular shapes.
Finally, it should be noted that embodiment of above is merely illustrative of the technical solution of the present invention, rather than its limitations;To the greatest extent
Invention is explained in detail referring to aforementioned embodiments for pipe, those skilled in the art should understand that: its according to
It can so modify to technical solution documented by aforementioned each embodiment, or part of technical characteristic is equal
Replacement;And these are modified or replaceed, each embodiment technical solution of the present invention that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (10)
1. high colour gamut liquid crystal display, including the first cover board, first cover board back side is fixedly installed liquid crystal display panel,
It is characterized in that, the LCD display back is equipped with the second cover board, between second cover board and the liquid crystal display panel
It is formed with a confined space, optics glue is filled in the confined space, is uniformly mixed with quantum dot in the optics glue
Particle, second cover board back side are equipped with backlight module, and the optics glue is formed in confined space by coating method, and dry
The optics glue after dry solidification is connected and fixed second cover board and the liquid crystal display panel.
2. high colour gamut liquid crystal display according to claim 1, which is characterized in that second cover board and the liquid crystal
Show and be equipped with a circle sealant along edge between panel, the sealant, the second cover board, liquid crystal display panel collectively form described close
Close space.
3. high colour gamut liquid crystal display according to claim 1, which is characterized in that the liquid crystal display panel passes through glue
Layer is fixedly connected with the back side of first cover board.
4. high colour gamut liquid crystal display according to claim 1, which is characterized in that the liquid crystal display panel includes close
The optical filter of first cover board side, the liquid crystal display panel further include the thin film transistor (TFT) positioned at the optical filter back side
Layer.
5. high colour gamut liquid crystal display according to claim 1, which is characterized in that first cover board is glass or PMMA
Or made by PET material.
6. high colour gamut liquid crystal display according to claim 1, which is characterized in that second cover board be also glass or
Made by PMMA or PET material.
7. high colour gamut liquid crystal display according to claim 1, which is characterized in that first cover board and second lid
The shape of plate and the shape of the liquid crystal display panel are adapted.
8. the manufacturing method of high colour gamut liquid crystal display, which comprises the following steps:
Liquid crystal display panel is fixed on the first cover board back side;
The optics glue of quantum dot particle is mixed in LCD display back even spread;
By the pressing of the second cover board on optics glue;
After the dry solidification of optics glue, a confined space is formed between the second cover board and liquid crystal display panel, by optics water
Glue is separated with outside air;
Backlight module is installed at the second cover board back side.
9. the manufacturing method of high colour gamut liquid crystal display according to claim 8, which is characterized in that dry to optics glue
After solidification, along the periphery applying paste of the optics glue, one is formed between the second cover board and the liquid crystal display panel
Confined space.
10. the manufacturing method of high colour gamut liquid crystal display according to claim 8, which is characterized in that the liquid crystal display
Panel is fixed on the first cover board back side by gelatine layer.
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CN105158954B true CN105158954B (en) | 2019-06-11 |
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CN105842926B (en) * | 2016-06-17 | 2018-04-06 | 武汉华星光电技术有限公司 | Liquid crystal display |
KR20210098708A (en) | 2020-02-03 | 2021-08-11 | 삼성전자주식회사 | Display apparatus |
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JP2004107572A (en) * | 2002-09-20 | 2004-04-08 | Sharp Corp | Fluorescent material, and lighting device and display device containing the same |
CN102980136A (en) * | 2012-09-24 | 2013-03-20 | 友达光电股份有限公司 | Direct type backlight module and light source diffusion structure thereof |
CN103278961A (en) * | 2013-04-28 | 2013-09-04 | 京东方科技集团股份有限公司 | Liquid crystal display device |
CN104654116A (en) * | 2013-11-22 | 2015-05-27 | 鸿富锦精密工业(深圳)有限公司 | Backlight module and manufacturing method |
CN204945555U (en) * | 2015-10-13 | 2016-01-06 | 苏州桐力光电技术服务有限公司 | High colour gamut LCDs |
Family Cites Families (2)
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US8884509B2 (en) * | 2011-03-02 | 2014-11-11 | Semiconductor Energy Laboratory Co., Ltd. | Optical device, display device, and lighting device |
CN103852817B (en) * | 2014-03-14 | 2016-05-11 | 宁波激智科技股份有限公司 | A kind of quantum dot film that is applied to backlight module |
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- 2015-10-13 CN CN201510657063.9A patent/CN105158954B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2004107572A (en) * | 2002-09-20 | 2004-04-08 | Sharp Corp | Fluorescent material, and lighting device and display device containing the same |
CN102980136A (en) * | 2012-09-24 | 2013-03-20 | 友达光电股份有限公司 | Direct type backlight module and light source diffusion structure thereof |
CN103278961A (en) * | 2013-04-28 | 2013-09-04 | 京东方科技集团股份有限公司 | Liquid crystal display device |
CN104654116A (en) * | 2013-11-22 | 2015-05-27 | 鸿富锦精密工业(深圳)有限公司 | Backlight module and manufacturing method |
CN204945555U (en) * | 2015-10-13 | 2016-01-06 | 苏州桐力光电技术服务有限公司 | High colour gamut LCDs |
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Address after: Suzhou City, Jiangsu province 215122 Industrial Park Weiting kuangtang West JINDA Road No. 8 Applicant after: SUZHOU TONGLI PHOTOELECTRIC CO., LTD. Address before: Suzhou City, Jiangsu province 215122 Industrial Park Weiting kuangtang West JINDA Road No. 8 Applicant before: Suzhou Tong Li photoelectric technology Services Co., Ltd |
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