CN107861282A - A kind of quantum dot filter layer of liquid crystal display device - Google Patents
A kind of quantum dot filter layer of liquid crystal display device Download PDFInfo
- Publication number
- CN107861282A CN107861282A CN201710839250.8A CN201710839250A CN107861282A CN 107861282 A CN107861282 A CN 107861282A CN 201710839250 A CN201710839250 A CN 201710839250A CN 107861282 A CN107861282 A CN 107861282A
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- Prior art keywords
- quantum dot
- liquid crystal
- crystal display
- filter area
- display device
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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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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Optical Filters (AREA)
Abstract
The present invention relates to the quantum dot filter layer of display technology field, more particularly to a kind of liquid crystal display device.Including the first filter area, the second filter area and the 3rd filter area, the first quantum dot that feux rouges is sent in the case where blue light excites is provided with first filter area, second filter area is provided with the second quantum dot that green glow is sent in the case where blue light excites, and the 3rd filter area is provided with the 3rd quantum dot that blue light is sent in the case where blue light excites.The quantum dot filter layer and its processing method of a kind of liquid crystal display device of the present invention, the optical property for making quantum dot filter layer by pre-treatment and subsequent treatment are significantly improved.
Description
Technical field
The present invention relates to the quantum dot filter layer of display technology field, more particularly to a kind of liquid crystal display device.
Background technology
Quantum dot (Quantum Dots, QDs) is that a kind of spherical semiconductor being made up of II-VI or III-group Ⅴ element is received
Rice particulate, particle diameter is typically at several nanometers between tens nanometer.Quanta point material is connected originally due to the presence of quantum confined effect
Continuous energy band becomes discrete level structure, and visible ray can be launched after being excited by the external world.Quanta point material has due to its glow peak
There is less halfwidth and glow color can simply be adjusted by the size, structure or composition of quanta point material, therefore, will
Its application can effectively lift the color saturation and colour gamut of display device in a display device.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of liquid crystal display device, the color of liquid crystal display device can be lifted
Saturation degree and colour gamut, improve the display effect of liquid crystal display device.Meanwhile present invention also offers a kind of liquid crystal display device
Quantum dot filter layer and its processing method.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of liquid crystal display device, including：Liquid crystal
Display panel and backlight module；
The liquid crystal display panel includes：The first substrate and second substrate that are oppositely arranged and located at first base
Liquid crystal layer between plate and second substrate；
The first substrate includes：First underlay substrate, stack gradually in first underlay substrate towards second substrate
Side TFT layer, the first insulating barrier, quantum dot filter layer, the second insulating barrier and pixel electrode layer；The second substrate bag
Include：Second underlay substrate, second underlay substrate is laminated in towards the black matrix" of the side of the first underlay substrate and public
Electrode layer；
The backlight module is emitted located at the first substrate backwards to the side of the second substrate and the backlight module
Light be blue light.
The liquid crystal display device also includes located at first underlay substrate backwards to the side of second underlay substrate
The first polaroid and the second polaroid located at second underlay substrate backwards to the side of first underlay substrate,
The polarizing axis of first polaroid and the second polaroid is mutually perpendicular to.
First polaroid and the second polaroid are a nanometer wiregrating polaroid.
A kind of quantum dot filter layer of liquid crystal display device, including the first filter area, the second filter area and the 3rd filter
Area, the first quantum dot that feux rouges is sent in the case where blue light excites is provided with the first filter area, and the second filter area is provided with and excited in blue light
Under send the second quantum dot of green glow, the 3rd filter area is provided with the 3rd quantum dot that blue light is sent in the case where blue light excites.
A kind of processing method of the quantum dot filter layer of liquid crystal display device, step are as follows：
1), structure and process respectively
Quantum dot filter layer, including the first filter area, the second filter area and the 3rd filter area, it is provided with the first filter area
The first quantum dot of feux rouges is sent in the case where blue light excites, the second filter area is provided with the second quantum that green glow is sent in the case where blue light excites
Point, the 3rd filter area are provided with the 3rd quantum dot that blue light is sent in the case where blue light excites；
Quantum dot filter layer, is prepared according to prior art first；
2), pre-treatment
Pretreatment liquid is sprayed to quantum dot filter layer outer surface, spraying terminates to dry using vacuum drier, drying temperature
For 30 DEG C；
The component of pretreatment liquid is：1.8 parts of ttraethylammonium tetrafluoroborate, 3.5 parts of silane coupler, 7.5 parts of auxiliary agent, nitro first
8 parts of alkane, 12 parts of fluorocarbon resin, 0.5 part of Rutaecarpine；
The processing method of pretreatment liquid is：In kettle is prepared, raw material is sequentially added, 50 DEG C is then heated to, is stirred 2
Hour is made；
3), subsequent treatment
Pretreated pixel defining layer module is placed in closed container, holding more than 4 hours is vacuumized, then recovers
Normal pressure further takes out；Finally put it into air dry oven and dry 2 hours, temperature is 45 DEG C.
Advantage for present invention is with effect：
1) a kind of, liquid crystal display device of the invention, including：Liquid crystal display panel and backlight module；The liquid crystal display
Panel includes：The first substrate and second substrate and the liquid between the first substrate and second substrate being oppositely arranged
Crystal layer；The first substrate includes：First underlay substrate, stack gradually in first underlay substrate towards the one of second substrate
The TFT layer of side, the first insulating barrier, quantum dot filter layer, the second insulating barrier and pixel electrode layer；The second substrate includes：The
Two underlay substrates, second underlay substrate is laminated in towards the black matrix" and public electrode of the side of the first underlay substrate
Layer；Substitute traditional color blocking layer to be filtered by quantum dot filter layer, can be lifted liquid crystal display device color saturation and
Colour gamut, improve the display effect of liquid crystal display device.
2), the quantum dot filter layer and its processing method of a kind of liquid crystal display device of the invention, by pre-treatment and
Subsequent treatment makes the optical property of quantum dot filter layer be significantly improved.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is a kind of structure chart of liquid crystal display device of the present invention；
In figure：Liquid crystal display panel 10, backlight module 20, first substrate 1, second substrate 2, liquid crystal layer 3, the first substrate base
Plate 11, TFT layer 12, the first insulating barrier 13, the first filter area 141, the second filter area 142 and the 3rd filter area 143, second are exhausted
Edge layer 15 and pixel electrode layer 16, the second underlay substrate 21, black matrix" 22, common electrode layer 23, the first polaroid 40,
Two polaroids 30.
Embodiment
Embodiment 1
Referring to Fig. 1, the present invention provides a kind of liquid crystal display device, including：Liquid crystal display panel 10 and backlight module
20；
The liquid crystal display panel 10 includes：The first substrate 1 and second substrate 2 that are oppositely arranged and located at described
Liquid crystal layer 3 between one substrate 1 and second substrate 2；
The first substrate 1 includes：First underlay substrate 11, stack gradually in first underlay substrate 11 towards second
The TFT layer 12 of the side of substrate 2, the first insulating barrier 13, quantum dot filter layer, the second insulating barrier 15 and pixel electrode layer 16；Institute
Stating second substrate 2 includes：Second underlay substrate 21, second underlay substrate 21 is laminated in towards the side of the first underlay substrate
Black matrix" 22 and common electrode layer 23；
The backlight module 20 is located at the first substrate 1 backwards to the side of the second substrate 2 and the backlight module
The light of 20 outgoing is blue light；The quantum dot filter layer includes：First filter area 141, the second filter area 142 and the 3rd filter
Light area 143, the first quantum dot that feux rouges is sent in the case where blue light excites is provided with first filter area 141, described second filters
Area 142 is provided with the second quantum dot that green glow is sent in the case where blue light excites, and the 3rd filter area 143 is provided with to excite in blue light and issued
Go out the 3rd quantum dot of blue light.
Specifically, the liquid crystal display device also includes located at first underlay substrate 11 backwards to the second substrate base
First polaroid 40 of the side of plate 21 and located at second underlay substrate 21 backwards to first underlay substrate 11 one
Second polaroid 30 of side, the polarizing axis of the polaroid 30 of the first polaroid 40 and second are mutually perpendicular to.
Specifically, the polaroid 30 of the first polaroid 40 and second is a nanometer wiregrating polaroid, further, described
First polaroid 40 and the second polaroid 30 sample different materials and made, and can lift liquid crystal display device penetrance and brightness
Uniformity.
Specifically, the present invention substitutes traditional color blocking layer to be filtered by quantum dot filter layer, can lift liquid crystal
The color saturation and colour gamut of showing device, improve the display effect of liquid crystal display device.
Embodiment 2
A kind of processing method of the quantum dot filter layer of liquid crystal display device, step are as follows：
1), structure and process respectively
Quantum dot filter layer, including the first filter area, the second filter area and the 3rd filter area, it is provided with the first filter area
The first quantum dot of feux rouges is sent in the case where blue light excites, the second filter area is provided with the second quantum that green glow is sent in the case where blue light excites
Point, the 3rd filter area are provided with the 3rd quantum dot that blue light is sent in the case where blue light excites；
Quantum dot filter layer, is prepared according to prior art first；
2), pre-treatment
Pretreatment liquid is sprayed to quantum dot filter layer outer surface, spraying terminates to dry using vacuum drier, drying temperature
For 30 DEG C；
The component of pretreatment liquid is：1.8 parts of ttraethylammonium tetrafluoroborate, 3.5 parts of silane coupler, 7.5 parts of auxiliary agent, nitro first
8 parts of alkane, 12 parts of fluorocarbon resin, 0.5 part of Rutaecarpine；
The processing method of pretreatment liquid is：In kettle is prepared, raw material is sequentially added, 50 DEG C is then heated to, is stirred 2
Hour is made；
3), subsequent treatment
Pretreated pixel defining layer module is placed in closed container, holding more than 4 hours is vacuumized, then recovers
Normal pressure further takes out；Finally put it into air dry oven and dry 2 hours, temperature is 45 DEG C.
The present invention is not limited to above-described embodiment, and embodiment is exemplary, it is intended to for explaining the present invention, and can not
It is interpreted as limitation of the present invention.
Claims (1)
- A kind of 1. quantum dot filter layer of liquid crystal display device, it is characterised in that including the first filter area, the second filter area and 3rd filter area, the first quantum dot that feux rouges is sent in the case where blue light excites is provided with the first filter area, and the second filter area is provided with Blue light excites down the second quantum dot for sending green glow, and the 3rd filter area is provided with the 3rd quantum that blue light is sent in the case where blue light excites Point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710839250.8A CN107861282A (en) | 2017-09-18 | 2017-09-18 | A kind of quantum dot filter layer of liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710839250.8A CN107861282A (en) | 2017-09-18 | 2017-09-18 | A kind of quantum dot filter layer of liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107861282A true CN107861282A (en) | 2018-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710839250.8A Pending CN107861282A (en) | 2017-09-18 | 2017-09-18 | A kind of quantum dot filter layer of liquid crystal display device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104765187A (en) * | 2015-04-03 | 2015-07-08 | 深圳市华星光电技术有限公司 | Liquid crystal display |
| CN105404047A (en) * | 2015-12-04 | 2016-03-16 | 深圳市华星光电技术有限公司 | COA type LCD panel manufacturing method and COA type LCD panel |
| CN106324908A (en) * | 2016-10-12 | 2017-01-11 | 深圳市华星光电技术有限公司 | Liquid crystal display device |
| JP2017026705A (en) * | 2015-07-17 | 2017-02-02 | Dic株式会社 | Optical member, manufacturing method therefor, and information display device |
| CN106680925A (en) * | 2017-03-15 | 2017-05-17 | 京东方科技集团股份有限公司 | Polaroid and display device |
| CN106773328A (en) * | 2017-03-31 | 2017-05-31 | 深圳市华星光电技术有限公司 | Liquid crystal display device |
-
2017
- 2017-09-18 CN CN201710839250.8A patent/CN107861282A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104765187A (en) * | 2015-04-03 | 2015-07-08 | 深圳市华星光电技术有限公司 | Liquid crystal display |
| JP2017026705A (en) * | 2015-07-17 | 2017-02-02 | Dic株式会社 | Optical member, manufacturing method therefor, and information display device |
| CN105404047A (en) * | 2015-12-04 | 2016-03-16 | 深圳市华星光电技术有限公司 | COA type LCD panel manufacturing method and COA type LCD panel |
| CN106324908A (en) * | 2016-10-12 | 2017-01-11 | 深圳市华星光电技术有限公司 | Liquid crystal display device |
| CN106680925A (en) * | 2017-03-15 | 2017-05-17 | 京东方科技集团股份有限公司 | Polaroid and display device |
| CN106773328A (en) * | 2017-03-31 | 2017-05-31 | 深圳市华星光电技术有限公司 | Liquid crystal display device |
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Application publication date: 20180330 |
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