CN107976839A - Liquid crystal display device - Google Patents
Liquid crystal display device Download PDFInfo
- Publication number
- CN107976839A CN107976839A CN201711460991.1A CN201711460991A CN107976839A CN 107976839 A CN107976839 A CN 107976839A CN 201711460991 A CN201711460991 A CN 201711460991A CN 107976839 A CN107976839 A CN 107976839A
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- CN
- China
- Prior art keywords
- liquid crystal
- display device
- crystal display
- layer
- polaroid
- 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
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
Abstract
The exemplary embodiment of the present invention provides a kind of liquid crystal display device, the liquid crystal display device includes：Infrabasal plate；Color membrane substrates, are oppositely disposed with infrabasal plate；Liquid crystal layer, is placed between infrabasal plate and color membrane substrates；And built-in polaroid, it is arranged between liquid crystal layer and color membrane substrates, wherein, built-in polaroid includes the encapsulated layer for including polyimides set close to the side of liquid crystal layer.
Description
Technical field
The present invention relates to a kind of liquid crystal display device, more particularly to a kind of including that can match built in quantum stippling film
The liquid crystal display device of polaroid.
Background technology
Polaroid is a kind of light that the filtered light beam containing multiple polarization directions can be become to single polarization direction light beam
Learn filter.In a liquid crystal display, linearly polarized light is become after the first polaroid from the light that light source is sent, by liquid crystal layer
Liquid crystal change polarization characteristic, then by the second polaroid from screen exit.In this manner it is possible to by adjusting liquid crystal in liquid crystal layer
Orientation reach adjust the bright dark effect of emergent ray.In the production process of general liquid crystal display, usually at last
Step sticks polaroid in glass outer side.And in the framework based on quantum stippling film (QDCF), quantum dot substitutes the face in color blocking
Material, absorbs the blue light that backlight is sent and produces red and green fluorescence.This process can change the polarization properties of light beam.Cause
This, this framework needs the position of polaroid being placed between photoresist layer and liquid crystal layer (built-in polaroid).
The structure of common polaroid is the structure of three-layer type.Intermediate layer is stretched polyvinyl alcohol (PVA), this
Iodide ion or dye molecule are usually adsorbed with layer.The both sides in intermediate layer are then the guarantors of cellulose triacetate (TAC) material
Sheath, this two layers function are mainly the iodide ion or dye molecule protected in intermediate layer, make its starvation and steam, are prevented
Block, while can also prevent PVA layers of corrugation retraction.It is anti-to possess that the TAC layer of intermediate layer both sides usually also needs to special processing
Dazzle and the structure for compensating visual angle.It is that it is difficult in adapt to tin indium oxide by an important difficulty built in this kind of polaroid
(ITO) high temperature of processing procedure and alignment film processing procedure.This is because TAC layer can soften at high temperature, and iodide ion in polarizing layer or
Person's dyestuff is in pyroprocess then easily because oxidation loses polarizing properties.
On the other hand, the backlight of the framework based on QDCF generally selects blue-ray LED, such that display is shown
Colourity it is partially blue.
The content of the invention
The exemplary embodiment of the present invention is to provide a kind of including that can better conform to the built-in inclined of quantum stippling film framework
The liquid crystal display device of sheet structure.The built-in polaroid substitutes TAC layer using polyimides as main thin-film material.Pass through profit
With the good heat resistance of polyimides, electric property, structural stability and the strong of blue light is absorbed, built-in polaroid can be with
High temperature process is better adapted to, while built-in polaroid is possessed the function of adjusting colourity.
The exemplary embodiment of the present invention provides a kind of liquid crystal display device, the liquid crystal display device can include：Under
Substrate；Color membrane substrates, are oppositely disposed with infrabasal plate；Liquid crystal layer, is placed between infrabasal plate and color membrane substrates；And built-in polarisation
Piece, is arranged between liquid crystal layer and color membrane substrates, wherein, built-in polaroid is included close to the setting of the side of liquid crystal layer comprising poly-
Imido encapsulated layer.
Exemplary embodiment according to the present invention, built-in polaroid can also include being arranged on flat below color membrane substrates
Change layer and the polyvinyl alcohol layer being arranged between planarization layer and encapsulated layer.
Exemplary embodiment according to the present invention, polyvinyl alcohol layer can include dyestuff.
Exemplary embodiment according to the present invention, liquid crystal display device can also include being arranged on built-in polaroid and liquid crystal
Indium tin oxide films between layer.
Exemplary embodiment according to the present invention, liquid crystal display device can also include be arranged on color membrane substrates with it is built-in partially
Indium tin oxide films between mating plate.
Exemplary embodiment according to the present invention, color membrane substrates can include glass substrate and set on the glass substrate
Black matrix and color layer.
Exemplary embodiment according to the present invention, color layer can include quantum dot.
Exemplary embodiment according to the present invention, infrabasal plate and color membrane substrates can be flexible base board.
Exemplary embodiment according to the present invention, flexible base board can be polyimide substrate.
Exemplary embodiment according to the present invention, liquid crystal display device can also include the remote liquid crystal layer positioned at infrabasal plate
Surface on polaroid.
Brief description of the drawings
By the description to embodiment below in conjunction with the accompanying drawings, these and/or other side will be apparent and are easier neck
Meeting, in the accompanying drawings：
Fig. 1 is the section view for the liquid crystal display device for schematically showing an exemplary embodiment according to inventive concept
Figure；
Fig. 2 is the section view for the liquid crystal display device for schematically showing another exemplary embodiment according to inventive concept
Figure；
Fig. 3 is the section view for the liquid crystal display device for schematically showing another exemplary embodiment according to inventive concept
Figure.
Embodiment
Hereinafter with reference to the attached drawing of the preferred embodiment that illustrated therein is invention, the present invention is more fully described now.
However, the present invention can in different forms implement and be not construed as being limited to the embodiments set forth herein.Phase
Instead, there is provided these embodiments so that the disclosure will thoroughly and completely, and the scope of invention will be fully conveyed to
Those skilled in the art.Same reference numeral represents same element all the time.In the accompanying drawings, for clarity, exaggerate layer and
The thickness in region.Therefore various attached drawing nots to scale (NTS).
For ease of description, can herein using such as " ... under ", " in ... lower section ", " below ", " ...
The spatially relative term of top " and " above " etc. describes an element as the figures show or feature and other member
The relation of part or feature.It will be appreciated that spatially relative term, in addition to comprising the orientation described in the accompanying drawings, it also anticipates
Figure, which includes, device the different orientation in use or operation.For example, if the device in attached drawing is reversed, then is described
For " " other elements or feature " lower section " or " under " element then will be positioned in " " described other elements or feature
" top ".Therefore, exemplary term can be included " in ... lower section " above and below two kinds of orientation.In addition device can position (rotation
It turn 90 degrees or at other orientation), and correspondingly explain space as used herein with respect to description.
Hereinafter, the exemplary embodiment of the present invention is described in detail with reference to the accompanying drawings.
Fig. 1 is the sectional view for schematically showing the liquid crystal display device 10 according to the exemplary embodiment of inventive concept.
With reference to Fig. 1, liquid crystal display device 10 accoding to exemplary embodiment can include：Infrabasal plate 100；Color membrane substrates
200, it is oppositely disposed with infrabasal plate 100；Liquid crystal layer 300, is placed between infrabasal plate 100 and color membrane substrates 200；Built-in polaroid
210, it is arranged between liquid crystal layer 300 and color membrane substrates 200.
Infrabasal plate 100 can be made of the insulating materials of such as glass or resin, and can have single or multiple lift knot
Structure.In addition, according to some example embodiments, for driving the switching device (not shown) of the liquid crystal molecule 310 in liquid crystal layer 300
It can be arranged in infrabasal plate 100.Switching device can be one or more thin film transistor (TFT)s.
Down polaroid 110 can be arranged on the lower section of infrabasal plate 100.Down polaroid 110 can absorb vertical with its polarizing axis
Direction on light, the light launched from backlight is transformed into linearly polarized light.Down polaroid 110 can have the knot of three-layer type
Structure.Intermediate layer is stretched polyvinyl alcohol (PVA) layer, and iodide ion or dye molecule are usually adsorbed with this layer.In
The both sides of interbed can be the protective layer of cellulose triacetate (TAC) material, to protect the iodide ion or dye in intermediate layer
Expect molecule, make its starvation and steam, prevent from aoxidizing, while can also prevent PVA layers of corrugation retraction.
Liquid crystal layer 300 can be placed between infrabasal plate 100 and color membrane substrates 200, and can include liquid crystal molecule 310.
In addition, liquid crystal layer 300 can also include the alignment film (not shown) on infrabasal plate 100 and on color membrane substrates 200 respectively.Point
The alignment film not being coated on color membrane substrates 200 and infrabasal plate 100 can play the role of controlling the orientation of liquid crystal molecule.
The alignment film can include at least one of polyimides, polyacrylic resin and polyvinyl alcohol etc. material.
Color membrane substrates 200 can include glass substrate 201, black matrix BM, color layer 202.Black matrix BM and color layer 202
Can regularly it be arranged on glass substrate 201.Color layer 202 can include quantum dot.
Built-in polaroid 210 can be arranged between color membrane substrates 200 and liquid crystal layer 300.Built-in polaroid 210 can be
Three layers structure.The built-in polaroid 210 in liquid crystal display device 10 accoding to exemplary embodiment can include planarization layer
211st, encapsulated layer 213 and polyvinyl alcohol (PVA) layer 212 being arranged between planarization layer 211 and encapsulated layer 213.Planarization
Layer 211 can be arranged on black matrix BM and color layer 202, so that color membrane substrates 200 have flat surface.Polyvinyl alcohol
(PVA) layer 212 can include the dyestuff as polarizing molecule, with the letter patience of polaroid built in raising 210.According to inventive concept
The encapsulated layer 213 of embodiment can be set close to the side of liquid crystal layer and can include polyimides (PI).Use with
In the case of encapsulated layer 213 of the polyimides as main thin-film material, although forming alignment film (not shown) and later will
High temperature is needed during the technique of tin indium oxide (ITO) film 230 of description, but since polyimides has well heat-resisting
Property, built-in polaroid 210 can be enabled to better adapt to high temperature process, avoid the dyestuff in PVA layers 212 in pyroprocess
Polarizing properties are lost because of oxidation.
Conceived according to present invention, the encapsulation using polyimides as main thin-film material as built-in polaroid 210
Layer 213, in this case, since polyimides absorbs the strong of blue light, encapsulated layer 213 can possess the work(for adjusting colourity
Energy.In addition, the thickness and yellow value of the encapsulated layer 213 including polyimides can be adjusted according to the needs that colourity adjusts.
In addition, according to the exemplary embodiment of inventive concept, tin indium oxide (ITO) film 230 can be arranged on encapsulated layer
On 213.Tin indium oxide (ITO) film 230 may be used as an electrode of liquid crystal display device 10, and another in infrabasal plate 100
One electrode forms positive and negative anodes, to drive liquid crystal molecule to rotate.
In addition, compensation film 220 can be arranged on the glass substrate 201 in color membrane substrates 200.Compensating film 220 can be
Single or multi-layer structure.It can be phase difference compensation film or Chromatically compensated film etc. to compensate film 220.In addition it is also possible to using anti-dazzle
Light film replaces compensation film 220.
Hereinafter, for convenience of description, will omit and above description repetitive description.
Fig. 2 is the sectional view according to the liquid crystal display device 20 of another exemplary embodiment of inventive concept.
As shown in Figure 2, according to the liquid crystal display device 20 of another exemplary embodiment of inventive concept with showing in Fig. 1
The difference of the liquid crystal display device 10 gone out be ito thin film 230 be arranged on color membrane substrates 200 and built-in polaroid 210 it
Between.In this way, before polaroid built in formation 210, ito thin film 230 is formd on color membrane substrates 200.That is, it is built-in inclined
Mating plate 210 needs to adapt to the processing procedure for forming the required baking temperature of alignment film, therefore, can preferably lift the letter of product
Patience.
Fig. 3 is the sectional view according to the liquid crystal display device 30 of another exemplary embodiment of inventive concept.
As shown in Figure 3, according to the liquid crystal display device 30 of another exemplary embodiment of inventive concept with showing in Fig. 1
The difference of the liquid crystal display device 10 gone out is in the glass substrate in liquid crystal display device 10 is replaced using flexible base board 101
201 and infrabasal plate 100.Flexible base board 101 can be polyimide substrate, but not limited to this.When the flexible material such as polyimides
When material is used as substrate, liquid crystal display device 30 can bend, bends, folds or wind.
Exemplary embodiment according to the present invention, there is provided a kind of including the built-in of quantum stippling film framework can be better conformed to
The liquid crystal display device of polaroid.The built-in polaroid forms encapsulated layer using polyimides as main thin-film material, with for
TAC layer in generation traditional polaroid.By using the good heat resistance of polyimides, electric property, structural stability and
The strong of blue light is absorbed, built-in polaroid can better adapt to high temperature process, while built-in polaroid is possessed adjusting colourity
Function.
Although having show and described some exemplary embodiments of the present invention, it will be understood by those skilled in the art that
, can be to these in the case where not departing from the principle of the present invention that its scope is limited by claim and its equivalent and spirit
Embodiment is modified.
Claims (10)
1. a kind of liquid crystal display device, the liquid crystal display device includes：
Infrabasal plate；
Color membrane substrates, are oppositely disposed with infrabasal plate；
Liquid crystal layer, is placed between infrabasal plate and color membrane substrates；And
Built-in polaroid, is arranged between liquid crystal layer and color membrane substrates,
Wherein, built-in polaroid includes the encapsulated layer for including polyimides set close to the side of liquid crystal layer.
2. liquid crystal display device according to claim 1, wherein, built-in polaroid, which further includes, to be arranged on below color membrane substrates
Planarization layer and the polyvinyl alcohol layer that is arranged between planarization layer and encapsulated layer.
3. liquid crystal display device according to claim 2, wherein, polyvinyl alcohol layer includes dyestuff.
4. liquid crystal display device according to claim 1, wherein, the liquid crystal display device further include be arranged on it is built-in partially
Indium tin oxide films between mating plate and liquid crystal layer.
5. liquid crystal display device according to claim 1, wherein, the liquid crystal display device, which further includes, is arranged on color film base
Indium tin oxide films between plate and built-in polaroid.
6. liquid crystal display device according to claim 1, wherein, color membrane substrates include glass substrate and are arranged on glass
Black matrix and color layer on substrate.
7. liquid crystal display device according to claim 6, wherein, color layer includes quantum dot.
8. liquid crystal display device according to claim 1, wherein, infrabasal plate and color membrane substrates are flexible base board.
9. liquid crystal display device according to claim 8, wherein, flexible base board is polyimide substrate.
10. liquid crystal display device according to claim 1, wherein, the liquid crystal display device is further included positioned at infrabasal plate
Remote liquid crystal layer surface on polaroid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711460991.1A CN107976839A (en) | 2017-12-28 | 2017-12-28 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711460991.1A CN107976839A (en) | 2017-12-28 | 2017-12-28 | Liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107976839A true CN107976839A (en) | 2018-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711460991.1A Pending CN107976839A (en) | 2017-12-28 | 2017-12-28 | Liquid crystal display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110853528A (en) * | 2018-08-21 | 2020-02-28 | 咸阳彩虹光电科技有限公司 | White light OLED display panel and display thereof |
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|---|---|---|---|---|
| US20030001988A1 (en) * | 2001-05-14 | 2003-01-02 | Nitto Denko Corporation | Polarizer and method of producing the same |
| CN1769932A (en) * | 2004-10-19 | 2006-05-10 | 日东电工株式会社 | Polarizing plate, method of producing a polarizing plate, and liquid crystal panel, liquid crystal television, and liquid crystal display apparatus all using the same |
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| CN110853528A (en) * | 2018-08-21 | 2020-02-28 | 咸阳彩虹光电科技有限公司 | White light OLED display panel and display thereof |
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