CN109917582A - Polaroid and liquid crystal display device - Google Patents
Polaroid and liquid crystal display device Download PDFInfo
- Publication number
- CN109917582A CN109917582A CN201910165201.XA CN201910165201A CN109917582A CN 109917582 A CN109917582 A CN 109917582A CN 201910165201 A CN201910165201 A CN 201910165201A CN 109917582 A CN109917582 A CN 109917582A
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- Prior art keywords
- polaroid
- liquid crystal
- crystal display
- polarisation
- 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
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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)
- Polarising Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention provides a kind of polaroid and liquid crystal display device.Polaroid of the invention includes polarizing layer, the polarizing layer includes the multiple polarisation units set gradually in same plane, in multiple polarisation units, the polarization direction of at least two polarisation units is different, so that light is after the polaroid carries out polarisation processing, the polarised light for projecting at least two polarization directions can be avoided outgoing light polarization direction single the problem of making one asthenopia, and solve the big visual angle colour cast of liquid crystal display device.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of polaroids and liquid crystal display device.
Background technique
In field of display technology, the panel display apparatus such as liquid crystal display device (Liquid Crystal Display, LCD)
Gradually replace cathode-ray tube (Cathode Ray Tube, CRT) display device.Liquid crystal display device have fuselage it is thin,
The many merits such as power saving, radiationless, are widely used.
Liquid crystal display device on existing market is largely backlight liquid crystal display device comprising liquid crystal display panel
And backlight module (backlight module).Usual liquid crystal display panel is by color film (ColorFilter, CF) substrate, film
Transistor (Thin Film Transistor, TFT) array substrate is sandwiched between color membrane substrates and thin-film transistor array base-plate
Liquid crystal (Liquid Crystal, LC) and sealing glue frame (Sealant) composition.The working principle of liquid crystal display panel is two
Place liquid crystal molecule in the parallel glass substrate of piece, there are many tiny electric wire vertically and horizontally among two panels glass substrate,
Liquid crystal molecule is controlled whether by being powered and changes direction, and the light refraction of backlight module is come out and generates picture.
Light is one kind of electromagnetic wave, and the direction of vibration of the light of nature is that all directions are unordered, only allows some direction
Light passes through, as polarisation.The two sides of the liquid crystal display panel of existing liquid crystal display device need to be arranged upper polaroid and it is lower partially
The polarization direction of mating plate, upper and lower two polaroids is vertical, and then the guiding of liquid crystal is adjusted by the voltage of control liquid crystal two sides
To realize whether polarised light passes through, display is realized, so that the light that existing liquid crystal display device projects is polarised light.It is existing
Polaroid polarization direction it is single so that final liquid crystal display device projects the single polarised light in polarization direction, although human eye
Can not resolved light polarization direction, can only experience the intensity of light, whether light is that the viewing of polarised light human eye gets up to be not different,
However, receiving the light of same polarization direction when long, human eye can be made to experience feeling of fatigue, damage can be generated to human eye when serious
Wound.In addition, the polarization direction due to emergent light is single, so that existing liquid crystal display device has big visual angle colour cast.
Summary of the invention
The purpose of the present invention is to provide a kind of polaroid, the single asthenopia that makes one of outgoing light polarization direction can be avoided
Problem, and solve the big visual angle colour cast of liquid crystal display device.
Another object of the present invention is to provide a kind of liquid crystal display device, can be avoided outgoing light polarization direction is single makes
The problem of human eye fatigue, and solve big visual angle colour cast.
To achieve the above object, present invention firstly provides a kind of polaroids, including polarizing layer；
The polarizing layer includes the multiple polarisation units set gradually in same plane；In multiple polarisation units, at least two
The polarization direction of a polarisation unit is different.
In multiple polarisation units, the polarization direction of any two polarisation unit is different.
The multiple polarisation unit is arranged in array.
The material of the polarizing layer is polyvinyl alcohol.
The polaroid further includes the first supporting layer and the second supporting layer for being respectively arranged on polarizing layer two sides.
The material of first supporting layer and the second supporting layer is Triafol T.
The polaroid further includes being set to protective film of first supporting layer far from polarizing layer side.
The polaroid further includes set on glue material layer of second supporting layer far from polarizing layer side and to be set to glue material layer separate
The release film of polarizing layer side.
The material of the glue material layer is pressure sensitive adhesive.
The present invention also provides a kind of liquid crystal display devices, including above-mentioned polaroid.
Beneficial effects of the present invention: polaroid of the invention includes polarizing layer, which is included in same plane successively
The multiple polarisation units being arranged, in multiple polarisation units, the polarization direction of at least two polarisation units is different, so that light was through should
After polaroid carries out polarisation processing, the polarised light of at least two polarization directions is projected, it is single to can be avoided outgoing light polarization direction
The problem of making one asthenopia, and solve the big visual angle colour cast of liquid crystal display device.Liquid crystal display device of the invention can be avoided
It is emitted light polarization direction single the problem of making one asthenopia, and solves big visual angle colour cast.
Detailed description of the invention
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.
In attached drawing,
Fig. 1 is the schematic cross-sectional view of polaroid of the invention；
Fig. 2 is the schematic top plan view of the polarizing layer of polaroid of the invention；
Fig. 3 is the structural schematic diagram 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.
Fig. 1 and Fig. 2 is please referred to, the present invention provides a kind of polaroid, including polarizing layer 10.The polarizing layer 10 is included in together
Multiple polarisation units 11 that one plane is set gradually.In multiple polarisation units 11, the polarization direction of at least two polarisation units 11
Difference, light is after the different polarisation unit 11 in polarization direction carries out polarisation processing, and the polarization direction of the polarised light of injection is not
Together, thus, light can project the polarised light of at least two polarization directions after polaroid of the invention carries out polarisation processing.
Preferably, referring to Fig. 2, in multiple polarisation units 11, the polarization direction of any two polarisation unit 11 is different,
To which after polaroid of the invention carries out polarisation processing, the polarised light of a variety of polarization directions can be projected, polarize light polarization side
It is equal to the quantity of polarisation unit 11 to the quantity of type.
Preferably, it referring to Fig. 2, the multiple polarisation unit 11 is arranged in array, is formed and is similar to tessellated row
Mode for cloth.
Specifically, the material of the polarizing layer 10 is polyvinyl alcohol (PVA).
Specifically, since polyvinyl alcohol material easily hydrolyzes, polaroid of the invention further includes being respectively arranged on polarisation
The first supporting layer 20 and the second supporting layer 30 of 10 two sides of layer, it is special to the object of the polarizing layer 10 using polyvinyl alcohol material production
Property is protected, and constitutes polaroid raw sheet by polarizing layer 10, the first supporting layer 20 and the second supporting layer 30.
Preferably, the material of first supporting layer 20 and the second supporting layer 30 is Triafol T (TAC), utilizes three
Cellulose acetate material has high transmittance, the preferable characteristic of enhanced water resistance mechanical strength, promotes the performance of polaroid entirety.
Specifically, the polaroid further includes being set to protective film 40 of first supporting layer 20 far from 10 side of polarizing layer, is used
It is protected in polaroid.
Specifically, the polaroid further includes the glue material layer 50 being set to the second supporting layer 30 far from 10 side of polarizing layer and sets
In release film 60 of the glue material layer 50 far from 10 side of polarizing layer.The glue material layer 50 is used to be arranged by polaroid in liquid crystal display
It is bonded when panel side with LCD display plate surface.The release film 60 for being protected to glue material layer 50, need by
Between glue material layer 50 is bonded with LCD display plate surface, release film 60 is removed from polaroid.
Preferably, the material of the glue material layer 50 is pressure sensitive adhesive.
It should be noted that the polarizing layer 10 of polaroid of the invention includes the multiple polarisations set gradually in same plane
Unit 11, in multiple polarisation units 11, the polarization direction of at least two polarisation units 11 is different, preferably any two polarisation list
The polarization direction of member 11 is different, thus, light can project at least two after polaroid of the invention carries out polarisation processing
The polarised light of polarization direction, in turn, incorporated by reference to Fig. 3, when polaroid of the invention to be applied in liquid crystal display device, in liquid
The two sides of the liquid crystal display panel 1 of crystal device be respectively set a polaroid of the invention as upper polaroid 2 and it is lower partially
Mating plate 3, multiple polarisation units 11 in upper polaroid 2 are opposite one by one with the polarisation unit 11 in down polaroid 3 respectively, opposite
The polarization side of the polarisation unit 11 of the polarisation unit 11 and down polaroid 3 of upper polaroid 2 is vertical.When display, liquid crystal display device
Backlight module 4 emit beam through down polaroid 3 carry out polarisation processing after generate at least two polarization directions polarised light inject
Liquid crystal display panel 1 simultaneously projects at least after carrying out polarisation processing by upper polaroid 2 after the liquid crystal layer of liquid crystal display panel 1
The emergent light of two kinds of polarization directions, the polarization direction multiplicity of emergent light can be effectively improved the big visual angle colour cast of liquid crystal display device
Problem, while the picture for enabling to human eye to show from 2 side of upper polaroid of liquid crystal display device viewing liquid crystal display device
When, the polarization direction for injecting the polarised light of human eye is varied, and human eye goes out when effectively solving viewing liquid crystal display device for a long time
The problem of feeling of fatigue such as dry, eye is puckery of losing face, protects eye health, promotes the quality of liquid crystal display device.
Based on the same inventive concept, referring to Fig. 3, the present invention also provides a kind of liquid crystal display device, including liquid crystal display
Panel 1, the upper polaroid 2 for being respectively arranged on 1 two sides of liquid crystal display panel and down polaroid 3 and be set to down polaroid 3 far from liquid
The backlight module 4 of 1 side of LCD panel, wherein upper polaroid 2 and down polaroid 3 are above-mentioned polaroid, upper polaroid
Multiple polarisation units 11 in 2 are opposite one by one with the polarisation unit 11 in down polaroid 3 respectively, opposite upper polaroid 2 it is inclined
The polarization side of the polarisation unit 11 of light unit 11 and down polaroid 3 is vertical.By setting upper polaroid 2 and down polaroid 3 it is inclined
Photosphere 10 is included in multiple polarisation units 11 that same plane is set gradually, multiple polarisations of the polarizing layer 10 of upper polaroid 2
In unit 11, the polarization direction of at least two polarisation units 11 is different, preferably the polarization direction of any two polarisation unit 11
Different, in multiple polarisation units of the polarizing layer 10 of down polaroid 3, the polarization direction of at least two polarisation units 11 is different,
The polarization direction of preferably any two polarisation unit 11 is different, and the polarisation unit 11 of opposite upper polaroid 2 and under
The polarization side of the polarisation unit 11 of polaroid 3 is vertical, so that the liquid crystal display device is in display, backlight module 4 emits beam
The polarised light that at least two polarization directions are generated after down polaroid 3 carries out polarisation processing is injected liquid crystal display panel 1 and is passed through
The outgoing of at least two polarization directions is projected after the liquid crystal layer of liquid crystal display panel 1 after carrying out polarisation processing by upper polaroid 2
It the problem of light, the polarization direction multiplicity of emergent light can be effectively improved liquid crystal display device big visual angle colour cast, enables to simultaneously
When the picture that human eye is shown from 2 side of upper polaroid of liquid crystal display device viewing liquid crystal display device, the polarization of human eye is injected
The polarization direction of light is varied, and human eye goes out the fatigues such as dry, eye is puckery of losing face when effectively solving viewing liquid crystal display device for a long time
The problem of sense, protects eye health, promotes the quality of liquid crystal display device.
In conclusion polaroid of the invention includes polarizing layer, the polarizing layer include set gradually in same plane it is more
A polarisation unit, in multiple polarisation units, the polarization direction of at least two polarisation units is different so that light through the polaroid into
After the processing of row polarisation, the polarised light of at least two polarization directions is projected, can be avoided outgoing, light polarization direction is single keeps human eye tired
The problem of labor, and solve the big visual angle colour cast of liquid crystal display device.It is inclined that liquid crystal display device of the invention can be avoided emergent light
It shakes direction single the problem of making one asthenopia, and solves big visual angle colour cast.
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 (10)
1. a kind of polaroid, which is characterized in that including polarizing layer (10)；
The polarizing layer (10) includes the multiple polarisation units (11) set gradually in same plane；Multiple polarisation units (11)
In, the polarization direction of at least two polarisation units (11) is different.
2. polaroid as described in claim 1, which is characterized in that in multiple polarisation units (11), any two polarisation unit
(11) polarization direction is different.
3. polaroid as described in claim 1, which is characterized in that the multiple polarisation unit (11) is arranged in array.
4. polaroid as described in claim 1, which is characterized in that the material of the polarizing layer (10) is polyvinyl alcohol.
5. polaroid as described in claim 1, which is characterized in that further include first for being respectively arranged on polarizing layer (10) two sides
Support layer (20) and the second supporting layer (30).
6. polaroid as claimed in claim 5, which is characterized in that first supporting layer (20) and the second supporting layer (30)
Material is Triafol T.
7. polaroid as claimed in claim 5, which is characterized in that further include being set to the first supporting layer (20) far from polarizing layer
(10) protective film (40) of side.
8. polaroid as claimed in claim 5, which is characterized in that further include being set to the second supporting layer (30) far from polarizing layer
(10) the glue material layer (50) of side and release film (60) set on glue material layer (50) far from polarizing layer (10) side.
9. polaroid as claimed in claim 8, which is characterized in that the material of the glue material layer (50) is pressure sensitive adhesive.
10. a kind of liquid crystal display device, which is characterized in that including such as described in any item polaroids of claim 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910165201.XA CN109917582A (en) | 2019-03-05 | 2019-03-05 | Polaroid and liquid crystal display device |
| PCT/CN2019/092479 WO2020177244A1 (en) | 2019-03-05 | 2019-06-24 | Polarizer and crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910165201.XA CN109917582A (en) | 2019-03-05 | 2019-03-05 | Polaroid and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109917582A true CN109917582A (en) | 2019-06-21 |
Family
ID=66963375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910165201.XA Pending CN109917582A (en) | 2019-03-05 | 2019-03-05 | Polaroid and liquid crystal display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109917582A (en) |
| WO (1) | WO2020177244A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021179368A1 (en) * | 2020-03-13 | 2021-09-16 | 惠州市华星光电技术有限公司 | Liquid crystal display device and manufacturing method therefor |
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| CN102628974A (en) * | 2011-02-07 | 2012-08-08 | Jvc建伍株式会社 | Distributed polarizer and liquid-crystal projection display apparatus using the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI484252B (en) * | 2013-02-25 | 2015-05-11 | Benq Materials Corp | Privacy device |
| KR102347474B1 (en) * | 2014-06-17 | 2022-01-04 | 엘지디스플레이 주식회사 | Cotalable polarizer and liquid crystal display device having thereof |
| CN105242342B (en) * | 2015-11-09 | 2017-10-24 | 武汉华星光电技术有限公司 | Transparent display |
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2019
- 2019-03-05 CN CN201910165201.XA patent/CN109917582A/en active Pending
- 2019-06-24 WO PCT/CN2019/092479 patent/WO2020177244A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012032939A1 (en) * | 2010-09-07 | 2012-03-15 | ソニー株式会社 | Solid-state imaging element, solid-state imaging device, imaging apparatus, and method for producing polarizing element |
| CN102628974A (en) * | 2011-02-07 | 2012-08-08 | Jvc建伍株式会社 | Distributed polarizer and liquid-crystal projection display apparatus using the same |
| CN103969840B (en) * | 2013-01-25 | 2017-05-03 | 中国科学技术大学 | Micro polaroid array on basis of metal nanometer optical gratings and preparation method thereof |
| CN104460021A (en) * | 2014-12-11 | 2015-03-25 | 国家纳米科学中心 | Micro-polarizing film array and manufacturing method thereof |
| US20160238764A1 (en) * | 2015-02-13 | 2016-08-18 | Xiamen Tianma Micro-Electronics Co., Ltd. | Conversion film, electronic device and fabrication methods thereof |
| CN105404057A (en) * | 2015-12-25 | 2016-03-16 | 深圳市华星光电技术有限公司 | Liquid crystal display panel |
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| WO2021179368A1 (en) * | 2020-03-13 | 2021-09-16 | 惠州市华星光电技术有限公司 | Liquid crystal display device and manufacturing method therefor |
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| Publication number | Publication date |
|---|---|
| WO2020177244A1 (en) | 2020-09-10 |
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Address after: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Applicant after: TCL Huaxing Photoelectric Technology Co.,Ltd. Address before: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Applicant before: Shenzhen China Star Optoelectronics Technology Co.,Ltd. |
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Application publication date: 20190621 |