CN106019455A - Polaroid and display device - Google Patents
Polaroid and display device Download PDFInfo
- Publication number
- CN106019455A CN106019455A CN201610617232.0A CN201610617232A CN106019455A CN 106019455 A CN106019455 A CN 106019455A CN 201610617232 A CN201610617232 A CN 201610617232A CN 106019455 A CN106019455 A CN 106019455A
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- CN
- China
- Prior art keywords
- light
- polarizing film
- film layer
- polaroid
- light polarizing
- 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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- 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
- G02B5/3058—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state comprising electrically conductive elements, e.g. wire grids, conductive particles
Abstract
The invention provides a polaroid and a display device. The polaroid comprises a first polarizing film layer, a first protective layer, a second protective layer and a light blocking film layer. The first protective layer and the second protective layer are arranged on the opposite two sides of the first polarizing film layer, and the light blocking film layer is arranged between the first polarizing film layer and the first protective layer and can weaken the light permeating rate of the first polarizing film layer. The light blocking film layer comprises a light blocking area and a light permeating area which are distributed according to a preset pattern, wherein the light blocking area can block passing of polarized light of the first polarizing film layer, and polarized light of the first polarizing film layer can pass through the light permeating area. The polaroid can lower the permeability of light, with the certain intensity, incident from an array substrate side of a liquid crystal display screen, so that light intensity incident to the surface of a TFT film can be effectively reduced, and finally the melanization defect is relieved.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of polaroid and display device.
Background technology
Generally LCDs is that collocation backlight module uses, and shows field the most out of doors, to liquid crystal
The brightness requirement that display screen shows is more and more higher so that the brightness of backlight module the highest, so from liquid
The intensity of the light that the array base palte side of crystal display screen is incident is the most higher, incides thin film transistor (TFT) on array base palte
(TFT) light intensity of film surface also can be higher, cause LCDs TFT thin film be susceptible to deterioration and
Melanism occurs.
Summary of the invention
It is an object of the invention to provide a kind of polaroid and display device, can reduce from LCDs array
The transmitance of the light of the some strength that substrate-side is incident, incides TFT film surface it is thus possible to effectively reduce
Light intensity, finally improve melanism bad.
Technical scheme provided by the present invention is as follows:
A kind of polaroid, including:
First light polarizing film layer；
It is separately positioned on the first protective layer and second protective layer of the opposite sides of described first light polarizing film layer；
And, it is arranged between described first light polarizing film layer and described first protective layer, it is possible to weaken described
The light-shielding film layer of the light transmission rate of one light polarizing film layer, described light-shielding film layer include with predetermined pattern distribution can
Stop light-blocking region that the polarized light of described first light polarizing film layer passes through and enable to described first light polarizing film layer
The transparent area that passes through of polarized light.
Further, described light-shielding film layer includes the second light polarizing film layer, described first light polarizing film layer and described
It is respectively provided with on two light polarizing film floor and enables to nature light and be converted into the polarization district of polarized light outgoing, wherein,
The Zone Full of described first light polarizing film floor is polarization district；
The polarization district of described second light polarizing film floor is distributed with described predetermined pattern, and with described first light polarizing film layer
Polarization district overlap, and axis of homology direction and described second light polarizing film in the polarization district of described first light polarizing film floor
The axis of homology direction in the polarization district of sheet is vertical, so that the polarization district of described second light polarizing film floor forms described gear
Light district；It is not provided with polarizing the region in district on described second light polarizing film floor, forms described transparent area.
Further, described first light polarizing film layer and described second light polarizing film layer are iodine polarizing sheet, wherein,
The dyeing district of described first light polarizing film floor covers whole film floor, and forms its polarization district；
The dyeing district of described second light polarizing film floor is distributed with described predetermined pattern, and forms its polarization district；
Described first light polarizing film layer is vertical with the draw direction of described second light polarizing film layer, so that described first
The axis of homology direction in the polarization district of light polarizing film floor and the axis of homology direction polarizing district of described second polarisation diaphragm
Vertically.
Further, described polaroid is used for being arranged at display floater side, and described display floater includes array
Substrate and color membrane substrates, described array base palte is provided with lighttight metal wire；Wherein said light-blocking region with
The position of the metal wire on described array base palte is the most right.
Further, the width of described light-blocking region is more than the width of the metal wire on described array base palte.
Further, described metal wire includes grid line.
Further, described polaroid is for arranging on a display panel, and described display floater includes array base
Plate and color membrane substrates, described color membrane substrates is provided with black matrix；Wherein said light-blocking region and described color film base
The position of the black matrix on plate is the most right.
Further, the width of described light-blocking region is less than the width of the black matrix on described color membrane substrates.
Further, described polaroid also includes:
It is arranged on the tack coat of the side away from described first light polarizing film layer of described first protective layer.
Further, described polaroid also includes:
It is arranged on the mould release membrance of the side away from described first protective layer of described tack coat；
And, it is arranged on the protecting film of the side away from described first light polarizing film layer of described second protective layer.
A kind of display device, including display floater and the polaroid of the opposite sides being attached to display floater respectively,
Described display floater includes color membrane substrates and array base palte, and the polaroid attached in described array base palte side is adopted
Use polaroid as above.
What the present invention was brought has the beneficial effect that:
Polaroid provided by the present invention can reduce the some strength incident from LCDs array base palte side
The transmitance of light, it is thus possible to effectively reduce the light intensity inciding TFT film surface, finally improve melanism
Bad.
Accompanying drawing explanation
Fig. 1 represents the structural representation of the polaroid provided in the embodiment of the present invention；
Fig. 2 represents the structural representation on a display panel of the polarizer sheet sticking provided in the embodiment of the present invention
Figure.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the present invention
The accompanying drawing of embodiment, is clearly and completely described the technical scheme of the embodiment of the present invention.Obviously, institute
The embodiment described is a part of embodiment of the present invention rather than whole embodiments.Based on described
Embodiments of the invention, the every other embodiment that those of ordinary skill in the art are obtained, broadly fall into this
The scope of bright protection.
Intensity for light incident from the array base palte side of LCDs in prior art is relatively strong, causes liquid
Crystal display screen TFT thin film is susceptible to deterioration and the technical problem of melanism occurs, the invention provides
A kind of polaroid, can reduce the transmitance of the light of the some strength incident from LCDs array base palte side,
It is thus possible to effectively reduce the light intensity inciding TFT film surface, finally improve melanism bad.
As depicted in figs. 1 and 2, polaroid provided by the present invention, including:
First light polarizing film layer 100；
First protective layer 200 and second of the opposite sides being separately positioned on described first light polarizing film layer 100 is protected
Sheath 300；
And, it is arranged between described first light polarizing film layer 100 and described first protective layer 200, it is possible to subtract
The light-shielding film layer 400 of the light transmission rate of weak described first light polarizing film layer 100, described light-shielding film layer 400 includes
The light-blocking region 401 passed through with the polarized light that can stop described first light polarizing film layer 100 of predetermined pattern distribution
And the transparent area 402 that the polarized light enabling to described first light polarizing film layer 100 passes through.
Polaroid provided by the present invention, compared with polaroid of the prior art, adds one layer of light-shielding film
Layer 400, light is through this polaroid, and light can be converted into polarized light through the first light polarizing film layer 100, and
The light-blocking region 401 of described light-shielding film layer 400 can stop the polarized light of described first light polarizing film layer 100 to pass through,
Described transparent area 402 enables to the polarized light of described first light polarizing film layer 100 to be passed through, thus, when should
When polaroid is applied to LCDs, the TFT side of LCDs can be attached to, and reduce from liquid
The transmitance of the light of the some strength that crystal display screen array base palte side is incident, incides it is thus possible to effectively reduce
The light intensity of TFT film surface, finally improves melanism bad.
In embodiment provided by the present invention, it is preferred that as depicted in figs. 1 and 2, described light-shielding film layer
400 include being respectively provided with on the second light polarizing film layer, described first light polarizing film layer 100 and described second light polarizing film layer
Enable to nature light and be converted into the polarization district of polarized light outgoing, wherein,
The Zone Full of described first light polarizing film floor 100 is polarization district；
The polarization district of described second light polarizing film floor is distributed with described predetermined pattern, and with described first light polarizing film layer
The polarization district of 100 overlaps, and the axis of homology direction and described the in the polarization district of described first light polarizing film floor 100
The axis of homology direction in the polarization district of two polarisation diaphragms is vertical, so that the polarization district shape of described second light polarizing film floor
Become described light-blocking region 401；It is not provided with polarizing the region in district on described second light polarizing film floor, forms described printing opacity
District 402.
In such scheme, described light-shielding film layer 400 uses a polarisation that natural light can be converted into polarized light
Film layer, i.e. the second light polarizing film layer realizes, specifically, described first light polarizing film layer 100 and described second
Light polarizing film layer all can use PVA (polyvinyl alcohol) layer, described second protective layer to be TAC (three acetic acid
Cellulose) layer, described first protective layer can be NRT (No Retardation Film) layer, wherein,
Described first light polarizing film layer 100 can be as the PVA layer in polaroid in prior art, whole film
Floor can be all polarization district, and the polarization district in described second light polarizing film floor is distributed with predetermined pattern, and second
The polarized light polarization direction in the polarization district of light polarizing film floor is inclined with the polarization district of described first light polarizing film floor 100
Light polarization direction of shaking is mutually perpendicular to, thus, after the first light polarizing film layer 100 and described second light polarizing film layer are combined,
Described second light polarizing film floor polarization district can stop by described first light polarizing film floor 100 polarization district inclined
The light that shakes passes through, and plays the effect of being in the light, and forms light-blocking region 401.Use such scheme, utilize with default figure
The PVA floor in case distribution polarization district is used as described light-shielding film floor 400, and structure and technique are simple.
It should be noted that in actual applications, described light-shielding film layer 400 can also use other structures
Realize, such as: described light-shielding film layer 400 can be the film layer using a light-permeable, with institute on this film layer
State predetermined pattern and form the light-blocking region 401 of black, etc..
Additionally, in embodiment provided by the present invention, it is preferred that described first light polarizing film layer 100 and institute
State the second light polarizing film layer and be iodine polarizing sheet, wherein,
The dyeing district of described first light polarizing film floor 100 covers whole film floor, and forms its polarization district；
The dyeing district of described second light polarizing film floor is distributed with described predetermined pattern, and forms its polarization district；
Described first light polarizing film layer 100 is vertical with the draw direction of described second light polarizing film layer, so that described
The axis of homology direction in the polarization district of the first light polarizing film floor 100 is saturating with the polarization district of described second polarisation diaphragm
Penetrate direction of principal axis vertical.
In such scheme, described first light polarizing film layer 100 and described second light polarizing film layer all use PVA layer,
And it being iodine polarizing sheet, described first light polarizing film layer 100 is contaminated by common PVA layer manufacturing process
Color, described second light polarizing film layer, in dyeing course, needs the position forming transparent area 402 to use at it and protects
Cuticula is protected, and so can dye needing the part forming polarization district, and form polarization district.
Of course, it should be understood that described first light polarizing film layer 100 and described second light polarizing film layer can also is that
Other light polarizing film layers are used to realize, such as: dyestuff system polaroid etc..
Additionally, the polaroid provided in embodiments of the present invention is used for being arranged at display floater side, described
Display floater includes array base palte and color membrane substrates, and described array base palte is provided with lighttight metal wire,
It is provided with black matrix on described color membrane substrates；Wherein said light-blocking region 401 and the metal on described array base palte
The position of line is the most right.
Use such scheme, by the pattern of described light-blocking region 401 and the lighttight metal wire on array base palte
Position the most right, display screen can not interfered with again while being lowered into the intensity of light of array base palte
Normal display.
Preferably, the width of described light-blocking region 401 is more than the width of the metal wire on described array base palte.Institute
State metal wire and be preferably grid line.The most in actual applications, described metal wire can also is that on array base palte
Other lighttight metal wires, such as: data wire etc..
Additionally, in embodiment provided by the present invention, it is preferred that described light-blocking region 401 also with described coloured silk
The position of the black matrix on film substrate is the most right, and the width of described light-blocking region 401 is less than on described color membrane substrates
The width of black matrix.Use such scheme, by the pattern of described light-blocking region 401 and the black square on color membrane substrates
The position of battle array is the most right, can avoid again display while being lowered into the intensity of light of array base palte
The viewing area light of screen weakens, thus does not interferes with the normal display of display screen.
In the preferred embodiment that such scheme provides, the width ratio in the polarization district of described second light polarizing film floor
The width of the grid line of TFT side is big, but the width of the black matrix less than color membrane substrates side.
Additionally, as depicted in figs. 1 and 2, in embodiment provided by the present invention, described polaroid also wraps
Include: be arranged on the tack coat of the side away from described first light polarizing film layer 100 of described first protective layer 200
(Adhesive Layer)500.Described tack coat 500 may be used for this polarizer sheet sticking in display floater
On 900.
Additionally, as it is shown in figure 1, in embodiment provided by the present invention, described polaroid also includes:
It is arranged on the mould release membrance of the side away from described first protective layer 200 of described tack coat 500
(Release Film)600；And, be arranged on described second protective layer 300 away from described first polarisation
The protecting film (Protect Film) 700 of the side of film layer 100.
The polaroid that the embodiment of the present invention is provided, can be by described mould release membrance when attaching on a display panel
Remove with described protecting film, utilize tack coat 500 to be pasted onto on display floater 900 by this polaroid.
Additionally, as it can be seen, the embodiment of the present invention additionally provides a kind of display device, including display floater
It is attached to upper polaroid 10 and lower polaroid, the described display floater of the opposite sides of display floater respectively
Including color membrane substrates and array base palte, the lower polaroid attached in described array base palte side uses as mentioned above
Polaroid.
The above is only the preferred embodiment of the present invention, it is noted that common for the art
For technical staff, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvement and replace
Changing, these improve and replace and also should be regarded as protection scope of the present invention.
Claims (11)
1. a polaroid, it is characterised in that including:
First light polarizing film layer；
It is separately positioned on the first protective layer and second protective layer of the opposite sides of described first light polarizing film layer；
And, it is arranged between described first light polarizing film layer and described first protective layer, it is possible to weaken described
The light-shielding film layer of the light transmission rate of one light polarizing film layer, described light-shielding film layer include with predetermined pattern distribution can
Stop light-blocking region that the polarized light of described first light polarizing film layer passes through and enable to described first light polarizing film layer
The transparent area that passes through of polarized light.
Polaroid the most according to claim 1, it is characterised in that
Described light-shielding film layer includes the second light polarizing film layer, described first light polarizing film layer and described second light polarizing film layer
On be respectively provided with and enable to nature light and be converted into the polarization district of polarized light outgoing, wherein,
The Zone Full of described first light polarizing film floor is polarization district；
The polarization district of described second light polarizing film floor is distributed with described predetermined pattern, and with described first light polarizing film layer
Polarization district overlap, and axis of homology direction and described second light polarizing film in the polarization district of described first light polarizing film floor
The axis of homology direction in the polarization district of sheet is vertical, so that the polarization district of described second light polarizing film floor forms described gear
Light district；It is not provided with polarizing the region in district on described second light polarizing film floor, forms described transparent area.
Polaroid the most according to claim 2, it is characterised in that
Described first light polarizing film layer and described second light polarizing film layer are iodine polarizing sheet, wherein,
The dyeing district of described first light polarizing film floor covers whole film floor, and forms its polarization district；
The dyeing district of described second light polarizing film floor is distributed with described predetermined pattern, and forms its polarization district；
Described first light polarizing film layer is vertical with the draw direction of described second light polarizing film layer, so that described first
The axis of homology direction in the polarization district of light polarizing film floor and the axis of homology direction polarizing district of described second polarisation diaphragm
Vertically.
Polaroid the most according to claim 1, it is characterised in that
Described polaroid is used for being arranged at display floater side, and described display floater includes array base palte and color film
Substrate, described array base palte is provided with lighttight metal wire；Wherein said light-blocking region and described array base
The position of the metal wire on plate is the most right.
Polaroid the most according to claim 4, it is characterised in that
The width of described light-blocking region is more than the width of the metal wire on described array base palte.
Polaroid the most according to claim 4, it is characterised in that
Described metal wire includes grid line.
Polaroid the most according to claim 1, it is characterised in that
Described polaroid is for arranging on a display panel, and described display floater includes array base palte and color film base
Plate, described color membrane substrates is provided with black matrix；Wherein said light-blocking region and the black square on described color membrane substrates
The position of battle array is the most right.
Polaroid the most according to claim 7, it is characterised in that
The width of described light-blocking region is less than the width of the black matrix on described color membrane substrates.
Polaroid the most according to claim 1, it is characterised in that described polaroid also includes:
It is arranged on the tack coat of the side away from described first light polarizing film layer of described first protective layer.
Polaroid the most according to claim 9, it is characterised in that
Described polaroid also includes:
It is arranged on the mould release membrance of the side away from described first protective layer of described tack coat；
And, it is arranged on the protecting film of the side away from described first light polarizing film layer of described second protective layer.
11. 1 kinds of display devices, inclined including display floater and the opposite sides being attached to display floater respectively
Mating plate, described display floater includes color membrane substrates and array base palte, it is characterised in that at described array base palte
The polaroid that side attaches uses the polaroid as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610617232.0A CN106019455A (en) | 2016-07-29 | 2016-07-29 | Polaroid and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610617232.0A CN106019455A (en) | 2016-07-29 | 2016-07-29 | Polaroid and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106019455A true CN106019455A (en) | 2016-10-12 |
Family
ID=57114355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610617232.0A Pending CN106019455A (en) | 2016-07-29 | 2016-07-29 | Polaroid and display device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109143442A (en) * | 2018-09-14 | 2019-01-04 | 京东方科技集团股份有限公司 | A kind of polaroid, display module and display device |
| CN109917582A (en) * | 2019-03-05 | 2019-06-21 | 深圳市华星光电技术有限公司 | Polaroid and liquid crystal display device |
| CN113759592A (en) * | 2021-10-28 | 2021-12-07 | 深圳市茂晶源光电有限公司 | Polaroid applicable to strong light environment |
| WO2022188223A1 (en) * | 2021-03-12 | 2022-09-15 | 武汉华星光电技术有限公司 | Polarizing sheet and manufacturing method therefor, and display device |
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| CN104698525A (en) * | 2015-03-31 | 2015-06-10 | 合肥京东方光电科技有限公司 | Polarizing sheet and manufacturing method thereof, liquid crystal display panel and display device |
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| US20090284696A1 (en) * | 2008-05-13 | 2009-11-19 | Samsung Electronics Co., Ltd. | Photonic crystal type color filter and reflective liquid crystal display device having the same |
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| CN109143442A (en) * | 2018-09-14 | 2019-01-04 | 京东方科技集团股份有限公司 | A kind of polaroid, display module and display device |
| CN109917582A (en) * | 2019-03-05 | 2019-06-21 | 深圳市华星光电技术有限公司 | Polaroid and liquid crystal display device |
| WO2022188223A1 (en) * | 2021-03-12 | 2022-09-15 | 武汉华星光电技术有限公司 | Polarizing sheet and manufacturing method therefor, and display device |
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| CN113759592A (en) * | 2021-10-28 | 2021-12-07 | 深圳市茂晶源光电有限公司 | Polaroid applicable to strong light environment |
| CN113759592B (en) * | 2021-10-28 | 2024-03-26 | 深圳市茂晶源光电有限公司 | Polarizer applicable to strong light environment |
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