CN104407411A - Polarizer, liquid crystal display screen and liquid crystal display device - Google Patents
Polarizer, liquid crystal display screen and liquid crystal display device Download PDFInfo
- Publication number
- CN104407411A CN104407411A CN201410817098.XA CN201410817098A CN104407411A CN 104407411 A CN104407411 A CN 104407411A CN 201410817098 A CN201410817098 A CN 201410817098A CN 104407411 A CN104407411 A CN 104407411A
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- CN
- China
- Prior art keywords
- polaroid
- liquid crystal
- film
- substrate
- compensate film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
- G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
- G02B5/305—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks including organic materials, e.g. polymeric layers
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3083—Birefringent or phase retarding 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
- G02F1/13363—Birefringent elements, e.g. for optical compensation
-
- 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
- G02F1/13363—Birefringent elements, e.g. for optical compensation
- G02F1/133638—Waveplates, i.e. plates with a retardation value of lambda/n
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Polarising Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a polarizer, a liquid crystal display screen and a liquid crystal display device. The liquid crystal display screen disclosed by the invention comprises a release film, a pressure-sensitive adhesive layer, a first compensation film, a second compensation film, a polyvinyl alcohol polarization matrix layer, a cellulose triacetate supporting film and a protective film, wherein the pressure-sensitive adhesive layer is arranged on the surface of the release film; the first compensation film is arranged on the surface of the pressure-sensitive adhesive layer; the second compensation film is opposite to the first compensation film; the polyvinyl alcohol polarization matrix layer is arranged on the surface of the second compensation film; the cellulose triacetate supporting film is arranged on the surface of the polyvinyl alcohol polarization matrix layer; the protective film is arranged on the surface of the cellulose triacetate supporting film; and the polarizer further comprises a 1/4 wave plate. According to the polarizer, the liquid crystal display screen and the liquid crystal display device disclosed by the invention, the problems that the writing end is blackened due to friction and ions in liquid crystal molecules and that difference of molecular directors and an included angle of the polarizer is caused due to different reversing of the liquid crystal molecules are solved.
Description
The divisional application that the present invention is the applying date is on June 29th, 2012, application number 201210218827.0, denomination of invention are " a kind of polaroid, LCDs and liquid crystal indicator ".
Technical field
The present invention relates to technical field of liquid crystal display, particularly relate to a kind of polaroid, LCDs and liquid crystal indicator.
Background technology
Image multifield vertical directional liquid crystal display panel (Patterned Multi-Domain Vertical Alignment Liquid Crystal Display, being called for short PM-VA LCD) product is by liquid crystal molecule homeotropic alignment in liquid crystal cell, obtains superelevation contrast.Widen the mode at its visual angle, compensate film at present mainly through C-plate compensates, or compensate due under with great visual angle by the membrane-bound mode of the compensation of C-Plate and A-Plate, the delay that liquid crystal molecule homeotropic alignment produces and descend with great visual angle the optical delay of the nonopiate generation of polaroid.
Because liquid crystal molecule is by alignment film (PI) friction and the impact of liquid crystal molecule intermediate ion, when under power-up condition, liquid crystal molecule easily falls down towards different directions in liquid crystal cell, thus produce Liquid Crystal Molecules Alignment to wrong problem, cause in two panels orthogonal polarizers produce display black line.
Summary of the invention
Affect by alignment film friction and liquid crystal molecule intermediate ion for solving above-mentioned liquid crystal molecule, raw Liquid Crystal Molecules Alignment to wrong problem, cause the problem producing display black line in two panels orthogonal polarizers, the present invention adopts following technical scheme:
The invention provides a kind of polaroid, it comprises:
Release film;
Pressure-sensitive adhesive layer, is arranged on the surface of release film;
First compensate film, is arranged on the surface of pressure-sensitive adhesive layer;
Second compensate film, is oppositely arranged with the first compensate film;
Polyvinyl alcohol (PVA) polarization matrix layer, is arranged on the surface of the second compensate film;
Triafol T support membrane, is arranged on the surface of polyvinyl alcohol (PVA) polarization matrix layer;
Diaphragm, is arranged on the surface of Triafol T support membrane;
Wherein, described polaroid also comprises quarter-wave plate.
The present invention also provides a kind of LCDs, it comprises: the first polaroid, first substrate, liquid crystal layer, second substrate, and second polaroid, wherein, first polaroid is the polarizer, second polaroid is analyzer, liquid crystal layer comprises liquid crystal molecule, first substrate and second substrate are oppositely arranged, liquid crystal layer is arranged between first substrate and second substrate, and the first polaroid is arranged on the first substrate, and the second polaroid is arranged on second substrate, wherein, the first polaroid and the second polaroid are aforesaid a kind of polaroid.
The present invention also provides a kind of liquid crystal indicator, and it comprises: the backlight be disposed adjacent and a kind of LCDs as the aforementioned.
Above-mentioned a kind of polaroid increases quarter-wave plate newly, solves because of friction and the tip of the brushstyle of a writing or painting On Blackening that causes of liquid crystal molecule intermediate ion, and solution liquid crystal molecule swings to molecule director that difference the causes problem different with polaroid angle, and has no effect to photoelectricity effect.
Accompanying drawing explanation
Fig. 1 is a kind of polaroid first embodiment of the present invention schematic diagram.
Fig. 2 is a kind of polaroid second embodiment of the present invention schematic diagram.
Fig. 3 is a kind of LCDs one embodiment of the present invention schematic diagram.
Embodiment
The preferred embodiments of the present invention are described in detail below in conjunction with accompanying drawing.
Refer to Fig. 1, it is a kind of polaroid first embodiment of the present invention schematic diagram.
The invention provides a kind of polaroid; it comprises: release film 11, pressure-sensitive adhesive layer 12, first compensate film 13, quarter-wave plate 14, second compensate film 15, polyvinyl alcohol (PVA) (Polyvinyl Alcohol; be called for short PVA) polarization matrix layer 16, Triafol T (Triacetyl Cellulose; be called for short TAC) support membrane 17, and diaphragm 18.Its position relationship is followed successively by release film 11, pressure-sensitive adhesive layer 12, first compensate film 13, quarter-wave plate 14, second compensate film 15, PVA polarization matrix layer 16, TAC support membrane 17, and diaphragm 18.First compensate film 13 is the compensate film of A-plate.Described second compensate film 15 is the compensate film of C-plate.
In the present embodiment, polaroid may be used for the polarizer or analyzer.
Pressure-sensitive adhesive layer 12 is arranged on the surface of release film 11.
First compensate film 13 is arranged on the surface of pressure-sensitive adhesive layer 12.
Quarter-wave plate 14 is arranged on the surface of the first compensate film 13.
Second compensate film 15 is arranged on the surface of quarter-wave plate 14, is oppositely arranged with the first compensate film 13.
PVA polarization matrix layer 16 is arranged on the surface of the second compensate film 15.
TAC support membrane 17 is arranged on the surface of PVA polarization matrix layer 16.
Diaphragm 18 is arranged on the surface of TAC support membrane 17.
In the present embodiment, quarter-wave plate 14 is arranged between the first compensate film 13 and the second compensate film 15.It is 45 degree that quarter-wave plate 14 and polaroid absorb axle clamp angle, in common liquid crystal display, forms rotatory polarization sheet and circle analyzing polaroid, solves liquid crystal molecule and swings to molecule director that difference the causes problem different with polaroid angle.Alternatively, it is 45 degree that quarter-wave plate 14 and PVA polarization matrix layer 16 absorb axle clamp angle, forms rotatory polarization sheet and circle analyzing polaroid.
Refer to Fig. 2, it is a kind of polaroid second embodiment of the present invention schematic diagram.
Compared to the first embodiment, in a kind of polaroid second embodiment of the present invention, quarter-wave plate 24 is arranged between PVA polarization matrix layer 26 and the second compensate film 25.
Certainly; aforesaid first embodiment and the second embodiment can be not limited to; the position of quarter-wave plate can be arranged on release film, pressure-sensitive adhesive layer, the first compensate film, the second compensate film, PVA polarization matrix layer, TAC support membrane, and diaphragm wherein adjacent two-layer between.
Refer to Fig. 3, it is a kind of LCDs one embodiment of the present invention schematic diagram.
A kind of LCDs of the present invention, comprising: the first polaroid 100, first substrate 200, liquid crystal layer 300, second substrate 400, and the second polaroid 500.Wherein, the first polaroid 100 is the polarizer, and the second polaroid 500 is analyzer.First substrate 200 and second substrate 400 are all lens glass substrate.Liquid crystal layer 300 comprises liquid crystal molecule.
First substrate 200 and second substrate 400 are oppositely arranged.
Liquid crystal layer 300 is arranged between first substrate 200 and second substrate 400.
First polaroid 100 is arranged on first substrate 200.
Second polaroid 500 is arranged on second substrate 400.
First polaroid 100 and the second polaroid 500 adopt the polaroid of aforementioned first embodiment or the second embodiment respectively.
The present invention can also provide a kind of liquid crystal display, and it comprises the backlight and aforesaid LCDs that are disposed adjacent.
Polaroid provided by the invention increases quarter-wave plate newly, solve the tip of the brushstyle of a writing or painting On Blackening because friction and liquid crystal molecule intermediate ion cause, solve liquid crystal molecule and swing to molecule director that difference the causes problem different with polaroid angle, and photoelectricity effect is had no effect.
Here description of the invention and application is illustrative, not wants by scope restriction of the present invention in the above-described embodiments.Distortion and the change of embodiment disclosed are here possible, are known for the replacement of embodiment those those of ordinary skill in the art and the various parts of equivalence.Those skilled in the art are noted that when not departing from spirit of the present invention or essential characteristic, the present invention can in other forms, structure, layout, ratio, and to realize with other assembly, material and parts.When not departing from the scope of the invention and spirit, can other distortion be carried out here to disclosed embodiment and change.
Claims (8)
1. a polaroid, in analyzer, it comprises:
Release film;
Pressure-sensitive adhesive layer, is arranged on the surface of described release film;
First compensate film, is arranged on the surface of described pressure-sensitive adhesive layer;
Second compensate film, is oppositely arranged with described first compensate film;
Polarization matrix layer, is arranged on the surface of described second compensate film;
Support membrane, is arranged on the surface of described polarization matrix layer;
It is characterized in that, described polaroid also comprises quarter-wave plate; Described quarter-wave plate is arranged between described second compensate film and described polarization matrix layer, and it is 45 degree that described quarter-wave plate and described polaroid absorb axle clamp angle, forms rotatory polarization sheet or circle analyzing polaroid.
2. polaroid according to claim 1, is characterized in that, described first compensate film is the compensate film of A-plate.
3. polaroid according to claim 1, is characterized in that, described second compensate film is the compensate film of C-plate.
4. polaroid according to claim 1, is characterized in that, also comprises the diaphragm being arranged on described support membrane surface.
5. polaroid according to claim 1, is characterized in that, described polarization matrix layer adopts polyvinyl alcohol material.
6. polaroid according to claim 1, is characterized in that, described support membrane adopts triacetate fiber cellulosic material.
7. a LCDs, it comprises: the first polaroid, first substrate, liquid crystal layer, second substrate, and second polaroid, wherein, first polaroid is the polarizer, second polaroid is analyzer, liquid crystal layer comprises liquid crystal molecule, first substrate and second substrate are oppositely arranged, liquid crystal layer is arranged between first substrate and second substrate, first polaroid is arranged on the first substrate, second polaroid is arranged on second substrate, it is characterized in that, second polaroid is the polaroid described in any one of claim 1 to 6, described quarter-wave plate is arranged between the second compensate film and polarization matrix layer, it is 45 degree that described quarter-wave plate and the second polaroid absorb axle clamp angle, form rotatory polarization sheet and circle analyzing polaroid respectively.
8. a liquid crystal indicator, it comprises: the backlight be disposed adjacent and LCDs as claimed in claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410817098.XA CN104407411B (en) | 2012-06-29 | 2012-06-29 | A kind of polaroid, LCDs and liquid crystal indicator |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102188270A CN102768380A (en) | 2012-06-29 | 2012-06-29 | Polarizer, liquid crystal display screen and liquid crystal display device |
| CN201410817098.XA CN104407411B (en) | 2012-06-29 | 2012-06-29 | A kind of polaroid, LCDs and liquid crystal indicator |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102188270A Division CN102768380A (en) | 2012-06-29 | 2012-06-29 | Polarizer, liquid crystal display screen and liquid crystal display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104407411A true CN104407411A (en) | 2015-03-11 |
| CN104407411B CN104407411B (en) | 2017-03-15 |
Family
ID=52645055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410817098.XA Active CN104407411B (en) | 2012-06-29 | 2012-06-29 | A kind of polaroid, LCDs and liquid crystal indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104407411B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261714A (en) * | 2015-11-18 | 2016-01-20 | 上海天马有机发光显示技术有限公司 | OLED (organic light-emitting diode) display panel and manufacturing method therefor, and display apparatus |
| CN106371240A (en) * | 2015-07-22 | 2017-02-01 | 乐金显示有限公司 | Display apparatus and polarizer thereof |
| CN107507924A (en) * | 2017-08-11 | 2017-12-22 | 武汉华星光电半导体显示技术有限公司 | Form cover plate and preparation method |
| CN107941207A (en) * | 2017-12-13 | 2018-04-20 | 北京京东方光电科技有限公司 | Gyroscope, electronic device and the method for detecting angular speed |
| CN108287384A (en) * | 2018-02-09 | 2018-07-17 | 深圳创维－Rgb电子有限公司 | A kind of liquid crystal display panel and its LCD TV |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1381754A (en) * | 2001-04-16 | 2002-11-27 | 日东电工株式会社 | Optical device and liquid crystal display unit |
| KR20080038820A (en) * | 2006-10-31 | 2008-05-07 | 삼성전자주식회사 | Polarizer and liquid crystal display provided with the same |
| CN201583678U (en) * | 2009-07-07 | 2010-09-15 | 天马微电子股份有限公司 | Polaroid and LCD module |
| KR101665598B1 (en) * | 2009-10-05 | 2016-10-13 | 삼성디스플레이 주식회사 | Polarizer and display device having the polarizer |
-
2012
- 2012-06-29 CN CN201410817098.XA patent/CN104407411B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106371240A (en) * | 2015-07-22 | 2017-02-01 | 乐金显示有限公司 | Display apparatus and polarizer thereof |
| CN106371240B (en) * | 2015-07-22 | 2020-09-08 | 乐金显示有限公司 | Display device and polarizer thereof |
| CN105261714A (en) * | 2015-11-18 | 2016-01-20 | 上海天马有机发光显示技术有限公司 | OLED (organic light-emitting diode) display panel and manufacturing method therefor, and display apparatus |
| CN107507924A (en) * | 2017-08-11 | 2017-12-22 | 武汉华星光电半导体显示技术有限公司 | Form cover plate and preparation method |
| CN107941207A (en) * | 2017-12-13 | 2018-04-20 | 北京京东方光电科技有限公司 | Gyroscope, electronic device and the method for detecting angular speed |
| US11307034B2 (en) | 2017-12-13 | 2022-04-19 | Beijing Boe Optoelectronics Technology Co., Ltd. | Gyroscope, electronic device and method of detecting angular velocity |
| CN108287384A (en) * | 2018-02-09 | 2018-07-17 | 深圳创维－Rgb电子有限公司 | A kind of liquid crystal display panel and its LCD TV |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104407411B (en) | 2017-03-15 |
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