CN104570465A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
- Publication number
- CN104570465A CN104570465A CN201510053047.9A CN201510053047A CN104570465A CN 104570465 A CN104570465 A CN 104570465A CN 201510053047 A CN201510053047 A CN 201510053047A CN 104570465 A CN104570465 A CN 104570465A
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- China
- Prior art keywords
- display panel
- polaroid
- layer
- liquid crystal
- crystal layer
- Prior art date
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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
-
- 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
- G02F1/133531—Polarisers characterised by the arrangement of polariser or analyser axes
-
- 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
- G02F1/133538—Polarisers with spatial distribution of the polarisation direction
Abstract
The invention relates to the technical field of display devices and discloses a display panel and a display device. The display panel comprises a lower polarizer and a deflecting layer stacked on one side, opposite to a liquid crystal layer, of an array substrate; the display panel further comprises an upper polarizer disposed on one side, opposite to the liquid crystal layer, of a color film substrate. An absorbing axis of the upper polarizer is along a mechanical direction; an absorbing axis of the lower polarizer and that of the upper polarizer make a set included angle less than or equal to 90 degrees; after light penetrates the lower polarizer and the deflecting layer, a vibrating face of the lower polarizer rotates by 90 degrees. According to the technical scheme, the defecting layer, the upper polarizer and the lower polarizer change the polarizing direction of the light, the absorbing axis of the upper polarizer is along the mechanical direction, namely, the absorbing axis is along the length of the upper polarizer, and the lower polarizer is easier to manufacture; meanwhile, the absorbing axis allows more light to penetrate the lower polarizer, and display effect of the display device is improved.
Description
Technical field
The present invention relates to the technical field of display device, refer more particularly to a kind of display panel and display device.
Background technology
In prior art, can there is inevitable inferior position for large scale display panel in making, as shown in Figure 1, the lines with the end of a thread in figure are for absorbing axle.The both sides of the liquid crystal layer 2 of display panel of the prior art are respectively arranged with polaroid 3 and lower polaroid 1; The absorption axle wherein going up polaroid 3 is operating direction, and the absorption axle of lower polaroid 1 is horizontal direction.But making horizontal absorption axle for large-sized lower polaroid 1 is have very much larger technology difficulty, manufacture difficulty is comparatively large, and light transmission is poor.
Summary of the invention
The invention provides a kind of display panel and display device, in order to reduce the manufacture difficulty of display panel, improve production efficiency and the display effect of display panel.
The invention provides a kind of display panel, this display panel comprises array base palte to box and color membrane substrates, and the liquid crystal layer be arranged between described array base palte and described color membrane substrates, also comprise the stacked lower polaroid and the deflecting layer that are arranged on described array base palte and deviate from described liquid crystal layer side, and be arranged on the upper polaroid that described color membrane substrates deviates from described liquid crystal layer side; Wherein, the direction of the absorption axle of described upper polaroid is arranged along operating direction, become to be less than or equal to the setting angle of 90 ° between the absorption axle of described lower polaroid and the absorption axle of described upper polaroid, and light its vibrations face half-twist after being fed through described lower polaroid and described deflecting layer.
In technique scheme, by the polarization direction adopting deflecting layer, upper polaroid and lower polaroid to change light, the direction making polaroid absorb axle is arranged along operating direction, namely the direction absorbing axle is arrange along the length direction of upper polaroid, thus reduce the manufacture difficulty of lower polaroid, meanwhile, the extinction axle adopting this direction to arrange makes to increase through the light of lower polaroid, improves the display effect of display device.Meanwhile, the deflecting layer by arranging ensure that the optical signature of display panel can not change.
Preferably, the absorption axle of described upper polaroid and the absorption direction of principal axis of described lower polaroid identical, described deflecting layer is by the deflecting layer of vibrations face half-twist of the polarized light through described lower polaroid.
Preferably, described deflecting layer is 1/2nd wave plates.The optical characteristics entering into the light of liquid crystal layer is ensured by 1/2nd wave plates arranged.
Preferably, and the absorption axle angle at 45 ° of the absorption direction of principal axis of described 1/2nd wave plates and described lower polaroid.
Preferably, described 1/2nd wave plates are the layer that birefringece crystal makes.Adopt 1/2nd wave plates that birefringece crystal makes.Ensure that the optical characteristics of light when entering into liquid crystal layer.
Preferably, described deflecting layer is attached to the side that described array base palte deviates from described liquid crystal layer, and described lower polarizer sheet sticking deviates from the side of described liquid crystal layer at described deflecting layer; Described upper polarizer sheet sticking deviates from the side of described liquid crystal layer at described color membrane substrates.Facilitate the setting of deflecting layer.
Present invention also offers a kind of display device, this display device comprises any one display panel above-mentioned.
In technique scheme, by the polarization direction adopting deflecting layer, upper polaroid and lower polaroid to change light, the direction making polaroid absorb axle is arranged along operating direction, namely the direction absorbing axle is arrange along the length direction of upper polaroid, thus reduce the manufacture difficulty of lower polaroid, meanwhile, the extinction axle adopting this direction to arrange makes to increase through the light of lower polaroid, improves the display effect of display device.Meanwhile, the deflecting layer by arranging ensure that the optical signature of display panel can not change.
Accompanying drawing explanation
Fig. 1 is the structural representation of the display panel in display technique;
The structural representation of the display panel that Fig. 2 provides for the embodiment of the present invention.
Reference numeral:
Polaroid on polaroid 2-liquid crystal layer 3-under 1-
10-upper polaroid 20-liquid crystal layer 30-deflecting layer
Polaroid under 10-
Embodiment
In order to reduce the manufacture difficulty of display panel, improve the production efficiency of display panel.Embodiments provide a kind of display panel and display device.In the technical scheme that the embodiment of the present invention provides, by adopting the absorption axle setting direction of upper and lower polaroid identical, and realize the vibrations face half-twist to polarized light by deflecting layer, thus reduce the manufacture difficulty of lower polaroid, improve its light transmission, meanwhile, reduce the manufacture difficulty of display panel, improve production efficiency and the display effect of display panel.For making the object, technical solutions and advantages of the present invention clearly, for nonrestrictive embodiment, the present invention is described in further detail below.
As shown in Figure 2, the structural representation of display panel that provides for the embodiment of the present invention of Fig. 2.
Embodiments provide a kind of display panel, this display panel comprises array base palte to box and color membrane substrates, and the liquid crystal layer 20 be arranged between described array base palte and described color membrane substrates, also comprise the stacked lower polaroid 10 and the deflecting layer 30 that are arranged on described array base palte and deviate from described liquid crystal layer 20 side, and be arranged on the upper polaroid 40 that described color membrane substrates deviates from described liquid crystal layer 20 side; Wherein, the direction of the absorption axle of described upper polaroid 40 is arranged along operating direction, become to be less than or equal to the setting angle of 90 ° between the absorption axle of described lower polaroid 10 and the absorption axle of described upper polaroid 40, and light its vibrations face half-twist after being fed through described lower polaroid 10 and described deflecting layer 30.
Continue with reference to figure 2, wherein, the lines with the end of a thread in Fig. 2 are for absorbing axle.In above-mentioned specific embodiment, the conveniently making of display panel, the display panel that the embodiment of the present invention provides adopts and absorbs the identical upper polaroid 10 of direction of principal axis and lower polaroid 40, and the direction of this absorption axle is arrange along the length direction of upper polaroid 10, namely absorbs arranging along operating direction of axle.Thus reduce the manufacture difficulty of lower polaroid 40, meanwhile, the extinction axle adopting this direction to arrange makes to increase through the light of lower polaroid 40, improves the display effect of display device.Wherein, the axial change of absorption in order to avoid the lower polaroid 40 arranged has influence on the optical characteristics of display panel, the display panel that the present embodiment provides arranges one deck by the deflecting layer of the vibrations face half-twist of the polarized light through lower polaroid 40 between lower polaroid 40 and liquid crystal layer 20, thus ensure that the yawing moment of the light entering into liquid crystal layer 20 can not change.Can be found out by foregoing description, the identical upper polaroid 10 of direction of principal axis and lower polaroid 40 is absorbed by adopting, reduce the production difficulty of polaroid, improve the qualification rate of lower polaroid 40, and then improve the production efficiency of display panel, meanwhile, the deflecting layer 30 by arranging ensure that the optical signature of display panel can not change.
This scheme is preferably suitable for the display of large scale fringe field switching mode, because traditional fringe field switching mode, upper and lower polaroid extinction axle is normal black pattern display (so more power saving) time vertical, and the present invention's employing can become normal white mode after be arrangeding in parallel, so add deflecting layer 30, thus ensure the normal black pattern under fringe field switching mode.Certainly, this scheme also may be used for other patterns as TN (TwistedNematic) pattern, and principle is the same, does not repeat them here.
When specifically arranging, deflecting layer 30 is attached to the side that array base palte deviates from liquid crystal layer 20, and lower polaroid 10 is attached to the side that deflecting layer 30 deviates from liquid crystal layer 20; Upper polaroid 40 is attached to the side that color membrane substrates deviates from liquid crystal layer 20.
In the above-described embodiments, the absorption axle of lower polaroid 10 becomes an angle set with the absorption axle of upper polaroid 40, in order to ensure the polarization angle of polarized light after entering into liquid crystal layer 20, this deflecting layer and lower polaroid 10 have a corresponding cooperation, make light its vibrations face half-twist after being fed through lower polaroid 10 and deflecting layer 30.Preferably, the absorption axle of upper polaroid 40 and the absorption direction of principal axis of lower polaroid 10 identical, deflecting layer is by the deflecting layer 30 of vibrations face half-twist of the polarized light through described lower polaroid.
Concrete, this deflecting layer is 1/2nd wave plates, and the absorption axle angle at 45 ° of the absorption direction of principal axis of 1/2nd wave plates and lower polaroid 40./ 2nd wave plates have following characteristic: when the light transmission of normal incidence, phasic difference between ordinary light (o light) and non-ordinary light (e light) equals π or its odd-multiple, such wafer is called 1/2nd wave plates, is called for short 1/2nd wave plates.In the present embodiment, it is still linearly polarized light that linearly polarized light is irradiated to 1/2nd wave plates synthesis light out, only the vibration plane of polarized light have rotated certain angle (2 θ), wherein θ is the absorption axle of 1/2nd wave plates and the angle of operating direction, in the present embodiment, the absorption axle of 1/2nd wave plates and the angle of operating direction are 45 °, thus ensure that the vibrations face of the polarized light after 1/2nd wave plates have rotated 90 °, ensure that the direction in the vibrations face of the light entering into liquid crystal layer 20 meets the demands.
Concrete, 1/2nd wave plates are the layer that birefringece crystal makes.Concrete, light beam incides anisotropic crystal, is decomposed into two-beam and along the phenomenon of different directions refraction.They are the mutually perpendicular linearly polarized light of direction of vibration.When light is propagated in heterogeneous body, its velocity of propagation and refractive index value are different and change, more than one of its refractive index value with direction of vibration.The incident heterogeneous body of light wave, except particular orientation, all birefringence will occur, resolve into direction of vibration orthogonal, velocity of propagation is different, two kinds of polarized lights that refractive index does not wait, and this phenomenon is called birefringence.Birefringent crystal can be produced and be birefringece crystal.Wherein birefringece crystal comprises what only have an optical axis is uniaxial crystal (as kalzit, quartz and ruby etc.), and what have two optical axises is biaxial crystal (as mica, sulphur and sapphire etc.)./ 2nd wave plates wherein can be the lamella that above-mentioned concrete birefringece crystal makes.
The embodiment of the present invention additionally provides a kind of display device, and this display device comprises any one display panel above-mentioned.
The display device that the present embodiment provides, by adopting any one display panel above-mentioned, therefore, has all features of above-mentioned display panel.It absorbs the identical upper polaroid 10 of direction of principal axis and lower polaroid 40 by adopting, and the direction of this absorption axle is arranges along the length direction of upper polaroid 10, i.e. the arranging along operating direction of absorption axle.Thus reduce the manufacture difficulty of lower polaroid 40, meanwhile, the extinction axle adopting this direction to arrange makes to increase through the light of lower polaroid 40, improves the display effect of display device.Wherein, the axial change of absorption in order to avoid the lower polaroid 40 arranged has influence on the optical characteristics of display panel, the display panel that the present embodiment provides arranges one deck by the deflecting layer of the vibrations face half-twist of the polarized light through lower polaroid 40 between lower polaroid 40 and liquid crystal layer 20, thus ensure that the yawing moment of the light entering into liquid crystal layer 20 can not change.Can be found out by foregoing description, the identical upper polaroid 10 of direction of principal axis and lower polaroid 40 is absorbed by adopting, reduce the production difficulty of polaroid, improve the qualification rate of lower polaroid 40, and then improve the production efficiency of display panel, meanwhile, the deflecting layer 30 by arranging ensure that the optical signature of display panel can not change.
Display device in above-described embodiment can be product or the parts that LCD TV, liquid crystal display, digital album (digital photo frame), mobile phone, panel computer etc. have any Presentation Function.By adopting the display panel in above-described embodiment to have good display effect, and improve production efficiency.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (7)
1. a display panel, comprise the array base palte to box and color membrane substrates, and the liquid crystal layer be arranged between described array base palte and described color membrane substrates, it is characterized in that, also comprise the stacked lower polaroid and the deflecting layer that are arranged on described array base palte and deviate from described liquid crystal layer side, and be arranged on the upper polaroid that described color membrane substrates deviates from described liquid crystal layer side; Wherein, the direction of the absorption axle of described upper polaroid is arranged along operating direction, become to be less than or equal to the setting angle of 90 ° between the absorption axle of described lower polaroid and the absorption axle of described upper polaroid, and light its vibrations face half-twist after being fed through described lower polaroid and described deflecting layer.
2. display panel as claimed in claim 1, is characterized in that, the absorption axle of described upper polaroid and the absorption direction of principal axis of described lower polaroid identical, described deflecting layer is by the deflecting layer of the vibrations face half-twist of the polarized light through described lower polaroid.
3. display panel as claimed in claim 2, it is characterized in that, described deflecting layer is 1/2nd wave plates.
4. display panel as claimed in claim 3, is characterized in that, the absorption direction of principal axis of described 1/2nd wave plates and the absorption axle angle at 45 ° of described lower polaroid.
5. display panel as claimed in claim 4, is characterized in that, described 1/2nd wave plates are the layer that birefringece crystal makes.
6. the display panel as described in any one of Claims 1 to 5, is characterized in that, described deflecting layer is attached to the side that described array base palte deviates from described liquid crystal layer, and described lower polarizer sheet sticking deviates from the side of described liquid crystal layer at described deflecting layer; Described upper polarizer sheet sticking deviates from the side of described liquid crystal layer at described color membrane substrates.
7. a display device, is characterized in that, comprises the display panel as described in any one of claim 1 ~ 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510053047.9A CN104570465A (en) | 2015-02-02 | 2015-02-02 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510053047.9A CN104570465A (en) | 2015-02-02 | 2015-02-02 | Display panel and display device |
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| Publication Number | Publication Date |
|---|---|
| CN104570465A true CN104570465A (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510053047.9A Pending CN104570465A (en) | 2015-02-02 | 2015-02-02 | Display panel and display device |
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| Country | Link |
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| CN (1) | CN104570465A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508646A (en) * | 2018-03-23 | 2018-09-07 | 惠州市华星光电技术有限公司 | A kind of liquid crystal display device |
| CN110609411A (en) * | 2019-09-26 | 2019-12-24 | 京东方科技集团股份有限公司 | Liquid crystal display panel and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020036955A1 (en) * | 1998-02-27 | 2002-03-28 | Naci Basturk | Display assembly including two superposed display devices |
| CN1918491A (en) * | 2004-12-14 | 2007-02-21 | 日东电工株式会社 | Elliptical polarization plate, manufacturing method thereof and image display device using elliptical polarization plate |
| CN101169536A (en) * | 2006-10-24 | 2008-04-30 | 胜华科技股份有限公司 | Semi-transparence type multi-domain liquid crystal display device |
| US20100315701A1 (en) * | 2009-06-15 | 2010-12-16 | Fujitsu Limited | Optical amplifier and method for suppressing polarization dependent gain of optical amplifier |
| CN103076695A (en) * | 2013-01-21 | 2013-05-01 | 深圳市华星光电技术有限公司 | Liquid-crystal display device and setting method of polarized pieces thereof |
-
2015
- 2015-02-02 CN CN201510053047.9A patent/CN104570465A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020036955A1 (en) * | 1998-02-27 | 2002-03-28 | Naci Basturk | Display assembly including two superposed display devices |
| CN1918491A (en) * | 2004-12-14 | 2007-02-21 | 日东电工株式会社 | Elliptical polarization plate, manufacturing method thereof and image display device using elliptical polarization plate |
| CN101169536A (en) * | 2006-10-24 | 2008-04-30 | 胜华科技股份有限公司 | Semi-transparence type multi-domain liquid crystal display device |
| US20100315701A1 (en) * | 2009-06-15 | 2010-12-16 | Fujitsu Limited | Optical amplifier and method for suppressing polarization dependent gain of optical amplifier |
| CN103076695A (en) * | 2013-01-21 | 2013-05-01 | 深圳市华星光电技术有限公司 | Liquid-crystal display device and setting method of polarized pieces thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508646A (en) * | 2018-03-23 | 2018-09-07 | 惠州市华星光电技术有限公司 | A kind of liquid crystal display device |
| CN110609411A (en) * | 2019-09-26 | 2019-12-24 | 京东方科技集团股份有限公司 | Liquid crystal display panel and display device |
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Application publication date: 20150429 |
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