CN108983332A - Polaroid, liquid crystal display panel and liquid crystal display with extinction function - Google Patents
Polaroid, liquid crystal display panel and liquid crystal display with extinction function Download PDFInfo
- Publication number
- CN108983332A CN108983332A CN201810840111.1A CN201810840111A CN108983332A CN 108983332 A CN108983332 A CN 108983332A CN 201810840111 A CN201810840111 A CN 201810840111A CN 108983332 A CN108983332 A CN 108983332A
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- Prior art keywords
- polaroid
- liquid crystal
- light absorbent
- crystal display
- glue
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/003—Light absorbing elements
-
- 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
-
- 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
-
- 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 discloses a kind of polaroid with extinction function, liquid crystal display panel and liquid crystal display.The polaroid includes: polarizing layer；Protective layer group, is set on the first surface of polarizing layer；Compensation layer group is set on the second surface opposite with first surface of polarizing layer；Protective layer group and/or compensation layer group have light absorbent.The liquid crystal display panel includes that color membrane substrates and the color membrane substrates array substrate that box is arranged, the liquid crystal layer that is set between color membrane substrates and array substrate and the polaroid with extinction function, polaroid are located at the side of the color membrane substrates of array substrate.The liquid crystal display includes backlight module and liquid crystal display panel, and backlight module is located at the side of the array base palte of color membrane substrates.It is fitted in array substrate by adding light absorbent in the structure of polaroid, and by the polaroid, light absorbent can absorb the reflective of the metal wire in array substrate, and the entirety for reducing liquid crystal display panel is reflective.
Description
Technical field
The invention belongs to field of display technology, more specifically to a kind of polaroid with extinction function, liquid crystal
Show panel and liquid crystal display.
Background technique
High-resolution 4K LCD TV has been popularized at present, and 8K LCD TV is also being laid out, and people is born vision system
Animal, most consumers also can especially take notice of appearance when choosing LCD TV, in " light ", " thin " working as mainstream
Under, narrow frame or Rimless TV are undoubtedly more in line with public taste, certainly, other than fashionable appearance, narrow frame or nothing
Frame TV also deserves to be called one kind on viewing effect and overturns, and due to reducing the width of frame, user is appreciating TV picture
The more extensive visual field will be obtained when face, same size, narrow frame or Rimless TV can allow people to feel bigger, watch
Better effect.
Four common at present side Rimless schemes are designed outwardly using array substrate, since array substrate is equipped with metal
Line, in normal design, when color membrane substrates outwardly when, the metal wire in array substrate is blocked by the black matrix" on color membrane substrates,
Areflexia light.When array substrate designs outwardly, metal wire is blocked without black matrix", causes metal wire reflective serious.Especially
When watching under strong light, the picture of low-light level can be made not see Chu, and environment light is stronger, reflect the stronger influence to image quality more
Greatly.
With the increase of LCD TV resolution ratio, the quantity of metal wire is reflective also in increasing at double also in increase at double
Add, reflected light can not be effectively reduced using common low mirroring scheme.Especially current high-resolution 4K LCD TV
Popularized, 8K LCD TV is also being laid out, and resolution ratio is higher, and metal wire is more, it is reflective can be more serious, and it is reflective more serious right
Contrast influence under bright room is more obvious, and it is therefore necessary to carry out reduction reflection for ultrahigh resolution LCD TV.
Summary of the invention
In order to solve the shortcomings of the prior art, it is an object of that present invention to provide a kind of gold that can be reduced in array substrate
Belong to reflective polaroid, liquid crystal display panel and the liquid crystal display with extinction function of line.
In order to achieve the above purpose, present invention employs the following technical solutions:
A kind of polaroid with extinction function, comprising:
Polarizing layer；
Protective layer group is set on the first surface of the polarizing layer；
Compensation layer group is set on the second surface opposite with the first surface of the polarizing layer；
There is light absorbent at least one layer in the protective layer group and the compensation layer group.
Preferably, the protective layer group includes the first glue-line being set on the first surface and is set to described
External protection on one glue-line has the light absorbent in first glue-line and/or the external protection.
Preferably, the compensation layer group includes the second glue-line being set on the second surface and is set to described
Compensation layer on two glue-lines has the light absorbent in second glue-line and/or the compensation layer.
Preferably, the compensation layer group include sequentially lamination the second glue-line, compensation layer on the second surface are set
And pressure-sensitive adhesive layer, there is the extinction material in at least one layer in second glue-line, the compensation layer and the pressure-sensitive adhesive layer
Material.
Preferably, the light absorbent includes the first light absorbent and the second light absorbent, first light absorbent
Extinction wave-length coverage and the extinction wave-length coverage of second light absorbent be not identical.
Preferably, the extinction wave-length coverage of first light absorbent is 500nm~560nm.
Preferably, the extinction wave-length coverage of second light absorbent is 580nm~595nm.
The invention also discloses a kind of liquid crystal display panels, and box is arranged including color membrane substrates, with the color membrane substrates
Array substrate, the liquid crystal layer being set between the color membrane substrates and the array substrate and any above-mentioned there is extinction
The polaroid of function, the polaroid are located at the side backwards to the color membrane substrates of the array substrate.
The invention also discloses a kind of liquid crystal displays, including backlight module and above-mentioned liquid crystal display panel, the back
Optical mode group is located at the side backwards to the array substrate of the color membrane substrates.
The utility model has the advantages that a kind of polaroid with extinction function, liquid crystal display panel and liquid crystal display disclosed by the invention
Device is fitted in array substrate by adding light absorbent in the structure of polaroid, and by the polaroid, and light absorbent can be inhaled
The reflective of the metal wire in array substrate is received, the entirety for reducing liquid crystal display panel is reflective, additionally, due to array substrate towards peripheral hardware
It sets, is conducive to the narrow frame design of liquid crystal display.
Detailed description of the invention
Fig. 1 is the sectional view of the polaroid with extinction function of the invention；
Fig. 2 is the sectional view of the polaroid with extinction function of the embodiment of the present invention one；
Fig. 3 is the sectional view of the liquid crystal display panel of the embodiment of the present invention two；
Fig. 4 is the sectional view of the liquid crystal display of the embodiment of the present invention three；
Fig. 5 is the reflecting spectrum figure of plain edition polaroid of the invention and extinction type polaroid.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
It is of the invention in limiting.
Technical solution for a better understanding of the present invention illustrates the reflective phenomenon of liquid crystal display panel to liquid in advance
The influence degree of LCD panel contrast.
Respectively by taking full HD (FHD) 2K display screen, ultra high-definition (UD) 4K display screen and 8K display screen as an example, UD4K display screen
Horizontal and vertical metal wire be respectively twice of FHD2K display screen, so the metal wire quantity of UD4K display screen is that FHD2K is shown
Four times of screen, metal reflective can also be multiplied.The horizontal and vertical metal wire of 8K display screen is respectively the four of FHD2K display screen
Times, the metal wire quantity of 8K display screen is 16 times of FHD2K display screen, and metal reflective can also be multiplied, it is seen that resolution ratio
Higher, metal wire is more, it is reflective can be more serious.
In the environment of darkroom areflexia light, the calculation formula of contrast is CR=W/D；There is the environment of reflected light in bright room
In, the calculation formula of contrast is CR=(W+R)/(D+R), and wherein CR indicates contrast, when W indicates that display panel is in illuminated state
Brightness value, that is, be in brightness value when highest grayscale, D indicates brightness value when display panel be in dark-state, that is, is in minimum
Brightness value when grayscale, R indicate the brightness value of reflected light.
The display screen of various different resolutions is assumed below in different reflection environments, calculates separately each contrast, such as
Shown in following table.
| W | D | R | CR | |
| Darkroom 2K | 400 | 0.1 | 0 | 4000 |
| Bright room 2K | 400 | 0.1 | 0.1 | 2000 |
| Bright room 4K | 400 | 0.1 | 0.2 | 1333 |
| Bright room 8K | 400 | 0.1 | 0.3 | 1000 |
By the calculating of upper table it is found that reflecting brightness R is bigger, contrast C R is lower.When bright room brightness is increased, LCD TV
Reflecting brightness R also can and then increase, and in particular with the increase of LCD TV resolution ratio, the quantity of metal wire is also in increasing at double
Add, it is reflective also in increase at double.It is therefore desirable to provide a kind of technical solution for reducing reflecting brightness.
In order to solve the problems, such as that reflected light is serious in above-mentioned liquid crystal display panel, the present invention, which provides one kind, has the function of extinction
Polaroid, and the polaroid is applied in liquid crystal display panel.As shown in Figure 1, according to the present invention have the function of extinction
Polaroid include polarizing layer 10, protective layer group 20 and compensation layer group 30, protective layer group 20 is set to the first table of polarizing layer 10
On face, compensation layer group 30 is set on the second surface opposite with first surface of polarizing layer 10, wherein protective layer group 20 and/
Or there is light absorbent 40 in at least one layer in compensation layer group 30.In this way, by adding extinction material in the structure of polaroid
Material 40 can reduce the reflective of the metal wire in array substrate, while can also reduce the reflected light of polaroid itself, aobvious to improve
Show the contrast of panel, improves display panel colour gamut.
Preferably, light absorbent 40 includes the first light absorbent and the second light absorbent, the first extinction material
The extinction wave-length coverage of material and the extinction wave-length coverage of the second light absorbent be not identical.Wherein, the extinction of the first light absorbent
Wave-length coverage is 500nm~560nm, that is, absorbs the light of yellow band.The extinction wave-length coverage of second light absorbent be 580nm~
595nm absorbs the light of green light band, by the cooperation of the first light absorbent and the second light absorbent, absorbs yellow light and green respectively
Light, to enhance the colour gamut of display panel.
Technical solution for a better understanding of the present invention, below by multiple and different embodiments to the technical program into
Row more detailed description.
Embodiment one
As shown in Fig. 2, the protective layer group 20 of the polaroid with extinction function of embodiment according to the present invention one includes
The external protection 22 that the first glue-line 21 on the first surface is set and is arranged on the first glue-line 21.Wherein, as preferred
Embodiment has light absorbent 40 in the first glue-line 21.Certainly in other embodiments, external protection 22 also can have suction
Luminescent material 40, while light absorbent 40 is added in the first glue-line 21 and external protection 22, there is better anti-reflection effect.Certainly
It in other embodiments, can only wherein one layer of addition light absorbent 40 in the first glue-line 21 and external protection 22.
Wherein the material of the first glue-line 21 is Triafol T (TAC), and the material of polarizing layer 10 is polyvinyl alcohol
(PVA), light absorbent 40 is preferably small molecule dyes light absorbent.
Further, compensation layer group 30 includes the second glue-line 31 being arranged on second surface 11 and is arranged in the second glue
Compensation layer 32 on layer 31.Wherein, as a preferred embodiment, light absorbent 40 is added in the second glue-line 31.Certainly at other
In embodiment, light absorbent 40 can also be added in compensation layer 32, while being added and being inhaled in the second glue-line 31 and compensation layer 32
Luminescent material 40 has better anti-reflection effect.It certainly in other embodiments, can be only in the second glue-line 31 and compensation layer 32
In wherein one layer of addition light absorbent 40.
Wherein, the material of the second glue-line 31 is Triafol T (TAC).By adding in the different layers of polaroid structure
Add light absorbent, the reflective of the metal wire in array substrate can be absorbed, reduces the reflective of liquid crystal display panel entirety
Phenomenon.
Further, compensation layer group 30 further includes pressure-sensitive adhesive layer 33, and pressure-sensitive adhesive layer 33 is set on compensation layer 32.As excellent
Embodiment is selected, pressure-sensitive adhesive layer 33 is added with light absorbent 40.It should be noted that the first glue-line 21 in the present embodiment two, outer
It can be added in protective layer 22, the second glue-line 31, compensation layer 32 and any one layer in pressure-sensitive adhesive layer 33 or any multilayer
Light absorbent 40, the present invention do not limit the specific location of light absorbent 40, can voluntarily select according to actual needs.
The disclosed polaroid with extinction function of the present embodiment one, by being added in at least one layer of polaroid structure
Light absorbent, when the polaroid is applied in liquid crystal display panel, light absorbent can reduce the metal wire in array substrate
Reflective phenomenon reduces the overall reflectivity of liquid crystal display panel.
Embodiment two
As shown in figure 3, the liquid crystal display panel of embodiment according to the present invention two includes the color film base being sequentially stacked
The polaroid 100 with extinction function in plate 200, liquid crystal layer 300, array substrate 400 and embodiment one or embodiment two.
Wherein box is arranged in color membrane substrates 200 and array substrate 400, and liquid crystal layer 300 is filled in color membrane substrates 200 and array substrate 400
Between, polaroid 100 is located at the side of the color membrane substrates 200 of array substrate 400, and array substrate 400 is equipped with metal wire,
The metal wire is completely covered by polaroid 100, on the one hand, the anti-of metal wire can be absorbed in the light absorbent 40 in polaroid 100
Light is penetrated, on the other hand, light absorbent 40 can reduce the reflected light of polaroid 100 itself, can integrally reduce liquid crystal in this way
Show the reflex of panel.
Embodiment three
As shown in figure 4, the liquid crystal display of embodiment according to the present invention three includes in backlight module 500 and embodiment two
Liquid crystal display panel, color membrane substrates 200, liquid crystal layer 300 and the polaroid 100 with extinction function are successively far from backlight module
500, the i.e. side that is located at the array base palte 400 of color membrane substrates 200 of backlight module 500.Wherein, the liquid crystal in the present embodiment
Display uses array substrate gate driving (Gate On Array, abbreviation GOA) technology, to omit 400 short side of array substrate
On grid flip chip (Chip on Film, abbreviation COF) structure.By the way that array substrate 400 to be arranged outwardly, i.e., by array
The top of color membrane substrates 200 is arranged in substrate 400, and array substrate 400 can be completely covered by the source electrode COF structure after bending, have
It is designed conducive to the narrow frame or Rimless of liquid crystal display.There is polaroid 100 due to being sticked in array substrate 400, passes through polarisation
The metal wire reflected light in array substrate 400 can be absorbed in light absorbent in piece 100.In this way, not only improving liquid crystal display
Narrow frame design, and can be reduced liquid crystal display panel reflective phenomenon, the contrast of liquid crystal display improved, to promote display
The quality of picture.
As shown in figure 5, attaching the reflectivity of the display panel of the polaroid with extinction function of the invention far below patch
The reflectivity of the display panel of attached plain edition polaroid, it is especially lower in the reflectivity of yellowish green frequency range, be conducive to improve display surface
The colour gamut of plate.
A specific embodiment of the invention is described in detail above, although having show and described some implementations
Example, it will be understood by those skilled in the art that defined by the claims and their equivalents of the invention not departing from
It in the case where principle and spirit, can modify to these embodiments and perfect, these are modified and improve also should be in the present invention
Protection scope in.
Claims (9)
1. a kind of polaroid with extinction function characterized by comprising
Polarizing layer (10)；
Protective layer group (20), is set on the first surface of the polarizing layer (10)；
Compensation layer group (30) is set on the second surface opposite with the first surface of the polarizing layer (10)；
There are light absorbent (40) in the protective layer group (20) and/or the compensation layer group (30).
2. the polaroid according to claim 1 with extinction function, which is characterized in that the protective layer group (20) includes
The first glue-line (21) being set on the first surface and the external protection (22) being set on first glue-line (21),
There are the light absorbent (40) in first glue-line (21) and/or the external protection (22).
3. the polaroid according to claim 1 with extinction function, which is characterized in that the compensation layer group (30) includes
The second glue-line (31) being set on the second surface and the compensation layer (32) being set on second glue-line (31), institute
Stating in the second glue-line (31) and/or the compensation layer (32) has the light absorbent (40).
4. the polaroid according to claim 1 with extinction function, which is characterized in that the compensation layer group (30) includes
Sequentially lamination is arranged in the second glue-line (31), compensation layer (32) and pressure-sensitive adhesive layer (33) on the second surface, and described second
There are the light absorbent (40) at least one layer in glue-line (31), the compensation layer (32) and the pressure-sensitive adhesive layer (33).
5. the polaroid according to any one of claims 1 to 4 with extinction function, which is characterized in that the extinction material
Expect that (40) include the first light absorbent and the second light absorbent, the extinction wave-length coverage of first light absorbent and described second
The extinction wave-length coverage of light absorbent is not identical.
6. the polaroid according to claim 5 with extinction function, which is characterized in that the suction of first light absorbent
Optical wavelength range is 500nm~560nm.
7. the polaroid according to claim 5 with extinction function, which is characterized in that the suction of second light absorbent
Optical wavelength range is 580nm~595nm.
8. a kind of liquid crystal display panel, which is characterized in that set including color membrane substrates (200), with the color membrane substrates (200) to box
The array substrate (400) set, the liquid crystal layer (300) being set between the color membrane substrates (200) and the array substrate (400)
And the polaroid (100) as described in any one of claim 1 to 7 with extinction function, the polaroid (100) are located at battle array
The side backwards to the color membrane substrates (200) of column substrate (400).
9. a kind of liquid crystal display, which is characterized in that including backlight module (500) and LCD display according to any one of claims 8
Plate, the backlight module (500) are located at the side backwards to the array substrate (400) of the color membrane substrates (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810840111.1A CN108983332A (en) | 2018-07-27 | 2018-07-27 | Polaroid, liquid crystal display panel and liquid crystal display with extinction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810840111.1A CN108983332A (en) | 2018-07-27 | 2018-07-27 | Polaroid, liquid crystal display panel and liquid crystal display with extinction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108983332A true CN108983332A (en) | 2018-12-11 |
Family
ID=64551801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810840111.1A Pending CN108983332A (en) | 2018-07-27 | 2018-07-27 | Polaroid, liquid crystal display panel and liquid crystal display with extinction function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111791559A (en) * | 2020-07-27 | 2020-10-20 | 广州视源电子科技股份有限公司 | Protective cover plate, display device and manufacturing method of protective cover plate |
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| KR20160069835A (en) * | 2014-12-09 | 2016-06-17 | 삼성전자주식회사 | Method of manufacturing polarizing film and polarizing film manufactured using the same |
| CN107045221A (en) * | 2016-12-28 | 2017-08-15 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and liquid crystal display |
| CN107167859A (en) * | 2016-12-21 | 2017-09-15 | 住华科技股份有限公司 | Polarizing plate assembly and display device |
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2018
- 2018-07-27 CN CN201810840111.1A patent/CN108983332A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1672069A (en) * | 2002-07-24 | 2005-09-21 | 日东电工株式会社 | Polarizer, optical film using it, and image display using them |
| CN101571609A (en) * | 2008-04-30 | 2009-11-04 | 三星康宁精密琉璃株式会社 | Display filter and display device having the same |
| KR20160069835A (en) * | 2014-12-09 | 2016-06-17 | 삼성전자주식회사 | Method of manufacturing polarizing film and polarizing film manufactured using the same |
| CN107167859A (en) * | 2016-12-21 | 2017-09-15 | 住华科技股份有限公司 | Polarizing plate assembly and display device |
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Application publication date: 20181211 |
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