CN104865629B - A kind of reflective polaroid and liquid crystal display device - Google Patents
A kind of reflective polaroid and liquid crystal display device Download PDFInfo
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- CN104865629B CN104865629B CN201510303339.3A CN201510303339A CN104865629B CN 104865629 B CN104865629 B CN 104865629B CN 201510303339 A CN201510303339 A CN 201510303339A CN 104865629 B CN104865629 B CN 104865629B
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- reflective
- polaroid
- reflective polarizer
- layer
- polarizer
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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
- 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
- G02F1/133528—Polarisers
Abstract
The present invention disclose a kind of reflective polaroid and liquid crystal display device, is related to display technology field, for solve because polaroid absorbs the polarised light being intercepted and caused by the relatively low technical problem of the utilization rate of backlight that provides backlight.The reflective polaroid includes one or more layers reflective polarizer, and every layer of reflective polarizer is parallel to each other including length direction, spaced multiple reflective bars；When reflective polarizer is multilayer, reflection multilayer polarizing layer is stacked, and has interlayer spacings between every layer of reflective polarizer and adjacent reflective polarizer, the length direction out of plumb of the reflective bar of adjacent two layers of reflective polarizer.The backlight that backlight is provided forms the polarization direction polarised light parallel with the length direction of the reflective polarizer of reflective polaroid or the reflective bar of last layer of reflective polarizer after multiple reflections, diffusing reflection, the reflective polaroid does not absorb intercepted polarised light, so as to improve the utilization rate of the light provided backlight.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of reflective polaroid and liquid crystal display device.
Background technology
At present, the primary structure of liquid crystal display device includes liquid crystal display panel and provides backlight for liquid crystal display panel
Backlight, the general principle of its display picture is：Backlight provides backlight for liquid crystal display panel, and then the backlight is by being located at
The polarised light of particular polarization, then, the specific polarization are produced after polaroid between backlight and liquid crystal display panel
The liquid crystal layer that the polarised light in direction is injected in liquid crystal display panel, is reversed with the arrangement of the liquid crystal molecule in liquid crystal layer, in liquid
The bright picture secretly changed is produced on LCD panel, so as to show abundant picture.
However, providing the brightness of backlight compared to backlight at present, the display brightness of liquid crystal display device is relatively low, wherein
One of important the reason for is that the polaroid being located between backlight and liquid crystal display panel is typically absorption-type polaroid.It is this inclined
Mating plate only allows the polarised light of particular polarization to pass through, and the polarised light of intercepted other polarization directions is then by polaroid
Absorb, thus can be by the 50% of light of the brightness less than the no polarization provided by backlight of the polarised light of the polaroid so that
The display brightness of liquid crystal display device is relatively low, so as to reduce the utilization rate of the backlight provided backlight.
The content of the invention
It is an object of the invention to provide a kind of reflective polaroid, for solving because polaroid absorbs intercepted polarization
Light and the relatively low technical problem of utilization rate of backlight provided backlight is provided.
To achieve these goals, the present invention provides following technical scheme：
A kind of reflective polaroid, including one or more layers reflective polarizer, every layer of reflective polarizer include length
Direction is parallel to each other, spaced multiple reflective bars；When the reflective polarizer is multilayer, reflective polarizer described in multilayer
It is stacked, and has interlayer spacings, adjacent two layers between every layer of reflective polarizer and the adjacent reflective polarizer
The length direction out of plumb of the reflective bar of the reflective polarizer.
It is applied to when by the reflective polaroid that provides of the present invention in liquid crystal display device, the backlight that backlight is provided is from anti-
The incidence surface of emitting polaroid is injected, and backlight is broken down into polarization direction and reflection-type polarisation in the presence of reflective polarizer
The parallel polarised light of the length direction of the reflective bar of the reflective polarizer of piece or last layer of reflective polarizer, and other polarizations
The reflective bar of the polarised light in direction, polarization direction and the reflective polarizer of reflective polaroid or last layer of reflective polarizer
The parallel polarised light of length direction, through reflective polaroid, and is incident to liquid crystal display panel, the polarization of other polarization directions
Light is reflected back toward backlight, produces diffusing reflection on the surface of the blooming piece of backlight, forms the backlight without particular polarization,
It is again incident in above-mentioned reflective polaroid, and in the presence of the reflective polarizer of above-mentioned reflective polaroid, again partially
The direction that shakes is parallel with the length direction of the reflective polarizer of reflective polaroid or the reflective bar of last layer of reflective polarizer
Polarised light, and other polarization directions polarised light, polarization direction and the reflective polarizer of reflective polaroid or last layer
The polarised light that the length direction of the reflective bar of reflective polarizer is parallel passes through reflective polaroid, the polarised light of other polarization directions
Reflected, so repeatedly so that the backlight that backlight is provided can be incident in liquid crystal display panel, with polarisation in the prior art
Piece compares intercepted polarized light absorption, hence it is evident that improve the utilization rate of the backlight provided backlight.
The present invention also provides a kind of liquid crystal display device, for solve because polaroid absorbs intercepted polarised light and caused by
The relatively low technical problem of utilization rate of the backlight provided backlight.To achieve these goals, the present invention provides following technology
Scheme：
A kind of liquid crystal display device, the liquid crystal display device is provided with the reflection-type polarisation as described in above-mentioned technical scheme
Piece.
The liquid crystal display device is had with the reflective polaroid described in above-mentioned technical proposal relative to prior art
Dominant Facies it is same, will not be repeated here.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the present invention, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the diagrammatic cross-section of the reflective polaroid described in the embodiment of the present invention；
Fig. 2 is the top view of the reflective polaroid described in the embodiment of the present invention；
Fig. 3 is a kind of schematic diagram of spread state of the polarised light in reflective polarizer in the embodiment of the present invention；
Fig. 4 is the schematic diagram of another spread state of the polarised light in reflective polarizer in the embodiment of the present invention；
Fig. 5 is the schematic diagram propagated in the reflective polaroid of light in embodiments of the present invention.
Reference：
1- reflective polarizers, 11- reflective bars,
12- light transmission mediums, 2- light transmission protective layers.
Embodiment
In order to further illustrate reflective polaroid provided in an embodiment of the present invention and liquid crystal display device, with reference to saying
Bright book accompanying drawing is described in detail.
Referring to Fig. 1, reflective polaroid provided in an embodiment of the present invention includes one or more layers reflective polarizer 1, often
Layer reflective polarizer 1 is parallel to each other including length direction, spaced multiple reflective bars 11；When reflective polarizer 1 is multilayer
When, reflection multilayer polarizing layer 1 is set gradually along the direction that light is propagated, and every layer of reflective polarizer 1 and adjacent reflective polarizer 1
Between have an interlayer spacings, the length direction out of plumb of the reflective bar 11 of adjacent two layers of reflective polarizer 1.
When it is implemented, when above-mentioned reflective polaroid includes one layer of reflective polarizer 1, the reflective polaroid is set
Between backlight and liquid crystal display panel, the incidence surface of the backlight that backlight is provided from reflective polaroid is incident, and backlight exists
In the presence of reflective polarizer 1, inclined parallel with the length direction of the reflective bar 11 of reflective polarizer 1 in polarization direction is broken down into
Shake the light polarised light vertical with the length direction of the reflective bar 11 of reflective polarizer 1 with polarization direction, referring to Fig. 3, polarization side
The reflective polaroid is passed through to the polarised light parallel with the length direction of the reflective bar 11 of the reflective polarizer 1, figure is referred to
4, the polarization direction polarised light vertical with the length direction of the reflective bar 11 of the reflective polarizer 1 is reflected, the polarization reflected
Light back into backlight source, occurs diffusing reflection on the surface of the blooming piece of backlight, forms the backlight without particular polarization, then
In secondary incident above-mentioned reflective polaroid, in the presence of the reflective polarizer 1 of reflective polaroid, polarization is broken down into again
The direction polarised light parallel with the length direction of the reflective bar 11 of the reflective polarizer 1 and polarization direction and the reflective polarizer 1
Reflective bar 11 the vertical polarised light of length direction, polarization direction and the length direction of the reflective bar 11 of the reflective polarizer 1
Parallel polarised light passes through the reflective polaroid, and polarization direction and the length direction of the reflective bar 11 of the reflective polarizer 1 hang down
Straight polarised light is reflected, so repeatedly so that the backlight that backlight is provided can be incident in liquid crystal display panel.
When above-mentioned reflective polaroid includes reflection multilayer polarizing layer 1, the reflection-type of reflection multilayer polarizing layer 1 will be included
Polaroid is located between backlight and liquid crystal display panel, and the backlight that backlight is provided enters from the incidence surface of reflective polaroid
Penetrate, backlight sequentially passes through reflection multilayer polarizing layer 1, and it is anti-with this to be broken down into each layer of reflective polarizer 1 polarization direction
Penetrate the length direction of the reflective bar 11 of polarizing layer 1 parallel polarised light and polarization direction and the reflective bar 11 of the reflective polarizer 1
Vertical polarised light, due to the length direction out of plumb of the reflective bar 11 of adjacent two layers of reflective polarizer 1, thus polarised light is not
The whole reflection type polaroids reflections of meeting, finally, polarization direction and the length side of the reflective bar 11 of last layer of reflective polarizer 1
Reflective polaroid is passed through to parallel polarised light, and is incident in liquid crystal display panel, the polarised light quilt of other polarization directions
Reflective polaroid is reflexed in backlight, and diffusing reflection occurs for the surface of the blooming piece in backlight, is formed without specific inclined
Shake the backlight in direction, be again incident in above-mentioned reflective polaroid, in the work of the reflection multilayer polarizing layer 1 of reflective polaroid
Under, the polarization direction polarised light parallel with the length direction of the reflective bar 11 of last layer of reflective polarizer 1 passes through reflection-type
Polaroid, the polarised light of other polarization directions is reflected onto in backlight, so repeatedly so that the backlight that backlight is provided can
It is incident in liquid crystal display panel.
In summary, compared with polaroid in the prior art is by intercepted polarized light absorption, the embodiment of the present invention is provided
Reflective polaroid make backlight provide backlight after multiple reflections, diffusing reflection, eventually form polarization direction and reflection-type
The parallel polarised light of the length direction of the reflective polarizer 1 of polaroid or the reflective bar 11 of last layer of reflective polarizer 1, and thoroughly
Reflective polaroid is crossed, is incident in liquid crystal display panel, so as to significantly improve the utilization rate of the backlight provided backlight.
It is noted that the length side of the reflective bar 11 when two layers of reflective polarizer 1 adjacent in reflective polaroid
To when being mutually perpendicular to, after the backlight that backlight is provided is incident in reflective polaroid, light is being entered close to reflective polaroid
In the presence of the reflective polarizer 1 in face, the orthogonal two kinds of polarised lights in polarization direction, polarization direction and the reflection are broken down into
The polarised light that the length direction of reflective bar 11 in polarizing layer 1 is vertical is reflected, polarization direction with it is anti-in the reflective polarizer 1
The parallel polarised light transmission of the length direction of rod 11 is penetrated, the polarised light of transmission is incident in next layer of reflective polarizer 1, due under
The length side of reflective bar 11 in the length direction and last layer reflective polarizer 1 of reflective bar 11 in one layer of reflective polarizer 1
To vertical, thus through last layer reflective polarizer 1 polarised light polarization direction and the reflection in next layer of reflective polarizer 1
The length direction of rod 11 is vertical, therefore, is reflected through the polarised light of last layer reflective polarizer 1 by next layer of reflective polarizer 1.
From the foregoing, when in above-mentioned reflective polaroid, wherein the length side of the reflective bar 11 in adjacent two layers of reflective polarizer 1
To when being mutually perpendicular to, reflective polaroid may be used as reflector plate.
It is worthy of note that, the shape of reflective bar 11 can have a variety of, for example, pole, or, sq.rd.A kind of preferred
Embodiment in, reflective bar 11 be pole.The size (length, cross-sectional area etc.) of the reflective bar 11 of every layer of reflective polarizer 1
Can be with identical with the size of the reflective bar 11 of other reflective polarizers 1, can also be different, reflection-type polarisation is made for convenience
Piece, the size all same of the reflective bar 11 of each layer reflective polarizer 1.When the layer of reflective polarizer 1 in above-mentioned reflective polaroid
Number is multilayer, has interlayer spacings between every layer of reflective polarizer 1 and adjacent reflective polarizer 1, it is preferable that interlayer spacings
Width is more than or equal to the width of the reflective bar 11 of each layer reflective polarizer 1, is so designed that, is passed through from last layer reflective polarizer 1
A certain polarization direction polarised light, by between the interlayer between last layer reflective polarizer 1 and next layer of reflective polarizer 1
Gap, then injects next layer of reflective polarizer 1, can prevent because between every layer of reflective polarizer 1 and adjacent reflective polarizer 1
Interlayer spacings it is too small and under the influence of one layer of reflective polarizer, 1 pair of light polarization effect.
Reflective polaroid provided in an embodiment of the present invention may be mounted at the light emission side of backlight, with its in backlight
Its optics, backboard, glue frame etc. collectively constitute backlight assembly；The incident side of liquid crystal display panel can also be arranged on, with
Liquid crystal layer, polaroid in liquid crystal display panel etc. collectively constitute LCD board component.It is provided in an embodiment of the present invention anti-
Emitting polaroid can replace the down polaroid in liquid crystal display panel, can also be arranged on the incident side of down polaroid, now,
From down polaroid pass through polarised light polarization direction need to be with the polarised light passed through from above-mentioned reflective polaroid polarization direction
It is identical, above-mentioned reflective polaroid is used cooperatively with meeting the down polaroid of above-mentioned condition, will be from above-mentioned using down polaroid
The polarized light absorption of a small amount of other polarization directions that may be present, can prevent it in the polarised light that reflective polaroid is passed through
The polarised light of its polarization direction is incident in liquid crystal display panel.
The polarization direction polarised light parallel with the reflective bar 11 of reflective polarizer 1 is from the reflective polarizer 1 for convenience
Reflective bar 11 between pass through, it is preferable that referring to Fig. 2, in every layer of reflective polarizer 1, the width of multiple reflective bars 11 is identical,
And multiple reflective bars 11 are equidistantly arranged, the spacing between adjacent reflective bar 11 is identical with the width of reflective bar 11.Citing comes
Say, in reflective polarizer 1, reflective bar 11 is pole, and the diameter of pole is identical, and multiple poles are equidistantly arranged, adjacent
Pole between spacing it is identical with the diameter of pole.It is so designed that, the reflection of polarization direction and reflective polarizer 1 can be facilitated
The parallel polarised light of rod 11 is passed through between reflective bar 11, prevents polarization direction parallel with the reflective bar 11 of reflective polarizer 1
Polarised light is reflected, so as to reduce light loss.
In the above-described embodiments, the material of reflective bar 11 can be from a variety of, for example, metal or organic material.In this hair
In bright embodiment, reflective bar 11 is metallic reflection rod.Because metal has preferably light reflection effect and relatively low absorptivity,
Thus the light reflection effect of above-mentioned reflective polaroid can be strengthened as the material of reflective bar 11 from metal, prevented because anti-
The light reflection effect for penetrating rod 11 is not good and causes the polarised light of other polarization directions to pass through above-mentioned reflective polaroid, and reduces light
Damage；In addition, metal has preferably heat resistance, thus from material of the metal as reflective bar 11, it can prevent because of reflection
The heat resistance of rod 11 is not good and causes above-mentioned reflective polaroid to be deteriorated the polarization effect and reflecting effect of light.
It is noted that finding that the length of metallic reflection rod is through applicant of the present invention's test of many times and research
When 100nm~1000nm, a diameter of 10nm~200nm, for example, the length of metallic reflection rod is 500nm, a diameter of 100nm, on
The polarization effect and reflecting effect that reflective polaroid is stated to light are preferable.When the material of reflective bar 11 elects the material in addition to metal as
During material, when the length of reflective bar 11 is 100nm~1000nm, a diameter of 10nm~200nm, above-mentioned reflective polaroid is to light
Polarization effect and reflecting effect are same compared to the reflective bar 11 of other sizes preferably.
In the above-described embodiments, the number of plies of reflective polarizer 1 can be selected according to demand in reflective polaroid, and
When the number of plies of reflective polaroid is multilayer, length direction and the other reflective polarizers of the reflective bar 11 of every layer of reflective polarizer
The length direction of the reflective bar 11 of layer can also be able to be in any angle in addition to 90 deg. with parallel.In one kind side of being preferably carried out
In formula, please continue to refer to Fig. 1 and Fig. 2, the number of plies of reflective polarizer 1 is two layers, and the length of the reflective bar of two layers of reflective polarizer 1
Degree direction is parallel to each other.It is so designed that, can prevents because the number of plies of reflective polarizer 1 causes 1 pair of light of reflective polarizer very little
Polarization effect it is poor, and prevent from causing the gross absorption of 11 pairs of light of reflective bar to increase because the number of plies of reflective polarizer 1 is too many
Plus, so as to reduce light loss.
In addition, referring to Fig. 5, the length direction phase of the reflective bar 11 in two layers of reflective polarizer 1 of reflective polaroid
It is mutually parallel, thus the effect of reflective bar 11 of the light being incident in first layer reflective polarizer 1 in first layer reflective polarizer 1
Under, form the polarization direction polarised light parallel with the length direction of the reflective bar 11 of first layer reflective polarizer 1 and polarization direction
The polarised light vertical with the length direction of the reflective bar 11 of first layer reflective polarizer 1, polarization direction and first layer reflective polarizer
The polarised light that the length direction of the reflective bar 11 of layer 1 is parallel is incident to second layer reflective polarizer 1, in second layer reflective polarizer
It is that may be present a small amount of other in the polarised light that will be formed after first layer reflective polarizer 1 in the presence of reflective bar 11 in 1
The polarised light reflection of polarization direction so that the degree of polarization increase of the polarised light formed after second layer reflective polarizer 1, thus can
To improve polarization effect of the reflective polaroid to light.
Please continue to refer to Fig. 1, the reflective polaroid that the embodiment of the present invention is provided also includes being filled in each layer reflection partially
Light transmission medium 12 between photosphere 1 and between multiple reflective bars 11 of every layer of reflective polarizer 1.By in each layer reflective polarizer
Light transmission medium 12 is set between layer 1 and between multiple reflective bars 11 of every layer of reflective polarizer 1, can be prevented because of reflective bar 11
Slide and change the spacing between adjacent reflective bar 11, so that further improve polarization effect of the reflective polaroid to light,
And can make it that the interlayer spacings between every layer of reflective polarizer 1 and adjacent reflective polarizer 1 are certain.
In the above-described embodiments, light transmission medium 12 is polyvinyl chloride medium or polyethylene dielectric.Due to polyvinyl chloride or poly-
Ethene have relatively low phase delay phenomenon, higher light transmission rate, preferably heat resistance, less absorptivity and compared with
Small abbe number, thus light transmission medium 12 can be prevented as the material of transparent medium 12 using polyvinyl chloride or polyethylene
Influence propagation of the light in above-mentioned reflective polaroid.
Please continue to refer to Fig. 1, reflective polaroid provided in an embodiment of the present invention also includes two layers of printing opacity being oppositely arranged
Protective layer 2, one or more layers reflective polarizer 1 is respectively positioned between two layers of light transmission protective layer 2., can by setting light transmission protective layer 2
To prevent from above-mentioned reflective polaroid being arranged between backlight and liquid crystal display panel back reflection polarizing layer 1 by backlight
With the extruding of liquid crystal display panel, thus it can prevent that the reflective bar 11 of above-mentioned reflective polaroid from sustaining damage, so as to improve
Polarization effect and reflecting effect of the above-mentioned reflective polaroid to light；In addition, the setting of light transmission protective layer 2, can be prevented in fortune
Reflective polarizer 1 is squeezed and deformed during defeated, thus can improve polarization effect of the above-mentioned reflective polaroid to light.
In embodiments of the present invention, light transmission protective layer 2 can be polyethylene terephthalate protective layer, polyvinyl chloride
Protective layer or polycarbonate cover.Due to polyethylene terephthalate, polyvinyl chloride or makrolon have it is relatively low
Phase delay phenomenon, preferably higher light transmission rate, heat resistance, less absorptivity and less abbe number,
Thus polyethylene terephthalate, polyvinyl chloride or makrolon can be prevented as the material of light transmission protective layer 2
The physical property for crossing the light of above-mentioned reflective polaroid changes, for example, phase changes.
The embodiment of the present invention also provides a kind of liquid crystal display device, and the liquid crystal display device is provided with such as above-mentioned technical side
Reflective polaroid described in case.
What the reflective polaroid that the liquid crystal display device is provided with above-described embodiment had relative to prior art
Dominant Facies are same, will not be repeated here.
The liquid crystal display device is specifically as follows Electronic Paper, mobile phone, tablet personal computer, television set, notebook computer, number
Any product or part with display function such as photo frame, navigator.
In the description of above-mentioned embodiment, specific features, structure, material or feature can be in any one or many
Combined in an appropriate manner in individual embodiment or example.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (8)
1. a kind of reflective polaroid, it is characterised in that including reflection multilayer polarizing layer, every layer of reflective polarizer includes length
Degree direction is parallel to each other, spaced multiple reflective bars；Reflective polarizer is stacked described in multilayer, and every layer of reflection
There are interlayer spacings between polarizing layer and the adjacent reflective polarizer, the reflective bar of reflective polarizer described in adjacent two layers
Length direction out of plumb；
In every layer of reflective polarizer, the width of multiple reflective bars is identical, and multiple reflective bars are equidistantly arranged,
Spacing between the adjacent reflective bar is identical with the width of the reflective bar.
2. reflective polaroid according to claim 1, it is characterised in that the reflective bar is metallic reflection rod.
3. reflective polaroid according to claim 1, it is characterised in that the number of plies of the reflective polarizer is two layers,
And the length direction of the reflective bar of reflective polarizer described in two layers is parallel to each other.
4. reflective polaroid according to claim 1, it is characterised in that the reflective polaroid also includes being filled in
Light transmission medium between the reflective polarizer and between multiple reflective bars of every layer of reflective polarizer.
5. reflective polaroid according to claim 4, it is characterised in that the light transmission medium be polyvinyl chloride medium or
Polyethylene dielectric.
6. reflective polaroid according to claim 1, it is characterised in that the reflective polaroid also includes relative set
Two layers of the light transmission protective layer put, reflective polarizer described in multilayer is respectively positioned between light transmission protective layer described in two layers.
7. reflective polaroid according to claim 6, it is characterised in that the light transmission protective layer is poly terephthalic acid
Glycol ester protective layer, polyvinyl chloride protective layer or polycarbonate cover.
8. a kind of liquid crystal display device, it is characterised in that the liquid crystal display device sets any just like claim 1-7 described
Reflective polaroid.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510303339.3A CN104865629B (en) | 2015-06-05 | 2015-06-05 | A kind of reflective polaroid and liquid crystal display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510303339.3A CN104865629B (en) | 2015-06-05 | 2015-06-05 | A kind of reflective polaroid and liquid crystal display device |
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| CN104865629A CN104865629A (en) | 2015-08-26 |
| CN104865629B true CN104865629B (en) | 2017-09-29 |
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| CN105759493A (en) * | 2016-05-11 | 2016-07-13 | 深圳市华星光电技术有限公司 | Liquid crystal display device |
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| CN1236331C (en) * | 2003-06-10 | 2006-01-11 | 武汉光迅科技有限责任公司 | Nano level grating for polarization beam division / combination and method for making same |
| US7570424B2 (en) * | 2004-12-06 | 2009-08-04 | Moxtek, Inc. | Multilayer wire-grid polarizer |
| US7356229B2 (en) * | 2005-02-28 | 2008-04-08 | 3M Innovative Properties Company | Reflective polarizers containing polymer fibers |
| CN101622557A (en) * | 2007-01-12 | 2010-01-06 | 东丽株式会社 | Polarizing plate and liquid crystal display device using the same |
| CN102323677B (en) * | 2011-09-29 | 2013-06-19 | 上海丽恒光微电子科技有限公司 | Polarization light splitter and forming method thereof |
| CN202230254U (en) * | 2011-09-29 | 2012-05-23 | 上海丽恒光微电子科技有限公司 | Polarization light split device |
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