CN104849904A - Liquid crystal display panel and liquid crystal display device - Google Patents
Liquid crystal display panel and liquid crystal display device Download PDFInfo
- Publication number
- CN104849904A CN104849904A CN201510245726.6A CN201510245726A CN104849904A CN 104849904 A CN104849904 A CN 104849904A CN 201510245726 A CN201510245726 A CN 201510245726A CN 104849904 A CN104849904 A CN 104849904A
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- quantum dot
- display panels
- liquid crystal
- polarizing layer
- dot film
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
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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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Polarising Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The invention provides a liquid crystal display panel and a liquid crystal display device. The liquid crystal display panel comprises an array substrate, a color film substrate, a liquid crystal layer arranged between the array substrate and the color film substrate; a polarizer comprises a polarizing layer, a supporting layer, a protecting layer and a quantum dot film; the quantum dot film is used for converting an incident light with wavelength of less than 400 nm into the incident light with wavelength of more than 400 nm. The liquid crystal display panel and the liquid crystal display device convert harmful blue light which can damage human's eyes through setting the quantum dot film; thus eyes are protected, and the backlight efficiency of the liquid crystal display device is guaranteed.
Description
Technical field
The present invention relates to field of liquid crystal display, particularly relate to a kind of display panels and liquid crystal indicator.
Background technology
Along with the development of science and technology, use liquid crystal indicator to carry out work, the user of amusement and study gets more and more, therefore people also more and more pay attention to liquid crystal indicator to the harm of human body.
The shortwave blue light that liquid crystal indicator sends, it has and is only second to ultraviolet energy, can penetrate eyeball easily, and through retina, therefore has certain infringement to human eye.The more existing liquid crystal indicator with eye-protecting function; it pastes anti-blue light diaphragm by the light emission side at display panels; to filter out the blue light of wavelength at below 400nm; but anti-blue light diaphragm can reduce the display brightness of display panels equally, thus affects the backlight efficiency of liquid crystal indicator.
Therefore, be necessary to provide a kind of display panels and liquid crystal indicator, to solve the problem existing for prior art.
Summary of the invention
The object of the present invention is to provide and a kind ofly protect human eye and ensure that display panels and the liquid crystal indicator of higher backlight efficiency; Certain infringement is had and backlight efficiency technical matters to human eye with what solve existing display panels and liquid crystal indicator.
For solving the problem, technical scheme provided by the invention is as follows:
The embodiment of the present invention provides a kind of display panels, it liquid crystal layer comprising array base palte, color membrane substrates and be arranged between described array base palte and described color membrane substrates; It is characterized in that, described display panels also comprises:
Polarizer, is arranged on the outside of described array base palte and the outside of described color membrane substrates;
Wherein described at least one, Polarizer comprises:
Polarizing layer, for carrying out outgoing after polarisation process to incident light;
Supporting layer, is arranged on upside and the downside of described polarizing layer, for the protection of described polarizing layer;
Protective seam, for described polarizing layer and external environment being isolated, described protective seam is connected with described supporting layer by tack coat; And
Quantum dot film, be arranged between described polarizing layer and described supporting layer, between described supporting layer and described tack coat or between described tack coat and described protective seam, the incident light for wavelength being less than 400nm is converted to the incident light that wavelength is greater than 400nm.
In display panels of the present invention, described quantum dot film comprises quantum dot and is filled in the potting resin between described quantum dot.
In display panels of the present invention, the particle diameter of described quantum dot is 2nm to 3nm.
In display panels of the present invention, the material of described quantum dot is at least one in CdS, CdSe, CdTe, ZnSe, InP and InAs.
In display panels of the present invention, the material of described polarizing layer is polyvinyl alcohol (PVA).
In display panels of the present invention, the material of described supporting layer is Triafol T.
In display panels of the present invention, the material of described tack coat is polyisobutylene.
In display panels of the present invention, when described quantum dot film is arranged between described polarizing layer and described supporting layer, described quantum dot film is coated on the surface of described polarizing layer.
In display panels of the present invention; when described quantum dot film to be arranged between described supporting layer and described tack coat or between described tack coat and described protective seam time; skin hardness process is carried out to described quantum dot film, to prevent described Polarizer surface tear.
The embodiment of the present invention also provides a kind of liquid crystal indicator using above-mentioned display panels.
Compared to existing display panels and liquid crystal indicator, display panels of the present invention and liquid crystal indicator are changed the harmful blue light of infringement human eye by arranging of quantum dot film, so namely, protect human eye, in turn ensure that the backlight efficiency of liquid crystal indicator; What solve existing display panels and liquid crystal indicator has certain infringement and backlight efficiency technical matters to human eye.
For foregoing of the present invention can be become apparent, preferred embodiment cited below particularly, and coordinate institute's accompanying drawings, be described in detail below:
Accompanying drawing explanation
Fig. 1 is the structural representation of the preferred embodiment of display panels of the present invention;
Fig. 2 A is one of structural representation of the Polarizer of the first preferred embodiment of display panels of the present invention;
Fig. 2 B is the structural representation two of the Polarizer of the first preferred embodiment of display panels of the present invention;
Fig. 3 is the structural representation of the Polarizer of the second preferred embodiment of display panels of the present invention;
Fig. 4 is the structural representation of the Polarizer of the 3rd preferred embodiment of display panels of the present invention.
Embodiment
The explanation of following embodiment is graphic with reference to what add, can in order to the specific embodiment implemented in order to illustrate the present invention.The direction term that the present invention mentions, such as " on ", D score, "front", "rear", "left", "right", " interior ", " outward ", " side " etc., be only the direction with reference to annexed drawings.Therefore, the direction term of use is in order to illustrate and to understand the present invention, and is not used to limit the present invention.
In the drawings, the unit that structure is similar represents with identical label.
Please refer to Fig. 1, Fig. 1 is the structural representation of the preferred embodiment of display panels of the present invention.The display panels 10 of this preferred embodiment comprises array base palte 11, color membrane substrates 12, is arranged on liquid crystal layer 13 between array base palte 11 and color membrane substrates 12 and Polarizer 14, and Polarizer 14 is arranged on the outside of array base palte 11 and the outside of color membrane substrates 12.
At least one Polarizer 14 in the display panels 10 of this preferred embodiment comprises quantum dot film 145, changes with the incident light wavelength incided in display panels 10 being less than to 400nm.This Polarizer 14 with quantum dot film 145 can be arranged on the outside of array base palte 11, also can be arranged on the outside of color membrane substrates 12, or is arranged on the outside of array base palte 11 and the outside (this conversion efficiency is the highest) of color membrane substrates 12 simultaneously.The manufacturer of display panels 10 can according to specific needs and conversion efficiency quantum dot film 145 is effectively arranged.
Please refer to Fig. 2 A and Fig. 2 B, Fig. 2 A is one of structural representation of the Polarizer of the first preferred embodiment of display panels of the present invention; Fig. 2 B is the structural representation two of the Polarizer of the first preferred embodiment of display panels of the present invention.This Polarizer 14 comprises polarizing layer 141, supporting layer 142, protective seam 143 and quantum dot film 145.Polarizing layer 141 is for carrying out outgoing after polarisation process to incident light, it is preferably polyvinyl alcohol (PVA) (Polyvinyl Alcohol, PVA); Supporting layer 142 is arranged on upside and the downside of polarizing layer 141, and for the protection of polarizing layer 141, it is preferably Triafol T (Tri Acetic acid Celluose, TAC); Protective seam 143 is for isolating polarizing layer 141 and external environment, and this protective seam 143 is connected with supporting layer 142 by tack coat 144.
Quantum dot film 145 is arranged between polarizing layer 141 and supporting layer 142, and the incident light for wavelength being less than 400nm is converted to the incident light that wavelength is greater than 400nm.This quantum dot film 145 comprises quantum dot 1451 and is filled in the potting resin 1452 between quantum dot 1451.The particle diameter of this quantum dot 1451 is 2nm to 3nm, and the material of quantum dot 1451 can be made up of semiconductor material, as at least one in CdS, CdSe, CdTe, ZnSe, InP and InAs.Such quantum dot film 145 can emission wavelength be the long wave blue light of 400nm to 480nm under the exciting of the shortwave blue light of below wavelength 400nm, thus avoids shortwave blue light to the harm of human eye.Quantum dot film 145 does not filter shortwave blue light simultaneously, but is converted into long wave blue light, does not therefore almost affect the backlight efficiency of liquid crystal indicator.
Quantum dot film 145 can be coated on the surface of polarizing layer 141 or the surface of supporting layer 142, and the quantum dot film 145 in Fig. 2 A is coated on the outside surface of polarizing layer 141, and the quantum dot film 145 in Fig. 2 B is coated on the inside surface of polarizing layer 141.The attaching that can not affect like this between Polarizer 14 and array base palte 11, color membrane substrates 12 operates, and does not also need to increase extra processing procedure operation.Simultaneously as quantum dot film 145 is arranged on the outside surface of polarizing layer 141, as shown in Figure 2 A, also effectively can prevent external moisture from entering polarizing layer 141, affect the polarisation effect of polarizing layer 141.
Therefore the display panels of this preferred embodiment is changed the harmful blue light of infringement human eye by arranging of quantum dot film, so namely protects human eye, in turn ensure that the backlight efficiency of liquid crystal indicator.
Please refer to Fig. 3, Fig. 3 is the structural representation of the Polarizer of the second preferred embodiment of display panels of the present invention.The Polarizer 24 of this preferred embodiment comprises polarizing layer 241, supporting layer 242, protective seam 243 and quantum dot film 245.Polarizing layer 241 is for carrying out outgoing after polarisation process to incident light; Supporting layer 242 is arranged on upside and the downside of polarizing layer 241, for the protection of polarizing layer 241; Protective seam 243 is for isolating polarizing layer 241 and external environment, and this protective seam 243 is connected with supporting layer 242 by tack coat 244.
The quantum dot film 245 of this preferred embodiment is arranged between supporting layer 242 and tack coat 244, and the incident light for wavelength being less than 400nm is converted to the incident light that wavelength is greater than 400nm.This quantum dot film 245 can emission wavelength be the long wave blue light of 400nm to 480nm equally under the exciting of the shortwave blue light of below wavelength 400nm, thus avoids shortwave blue light to the harm of human eye.Quantum dot film 245 does not filter shortwave blue light simultaneously, but is converted into long wave blue light, does not therefore almost affect the backlight efficiency of liquid crystal indicator.
Quantum dot film 245 can be coated on the surface of supporting layer 242, as directly carried out hardness process on quantum dot film 245 surface, then can not need to carry out surface treatment to supporting layer 242, and effectively can prevent the surface tear of Polarizer 24.
The display panels of this preferred embodiment, on the basis of the first preferred embodiment, also can strengthen the firmness connected between supporting layer and tack coat further.
Please refer to Fig. 4, Fig. 4 is the structural representation of the Polarizer of the 3rd preferred embodiment of display panels of the present invention.The Polarizer 34 of this preferred embodiment comprises polarizing layer 341, supporting layer 342, protective seam 343 and quantum dot film 345.Polarizing layer 341 is for carrying out outgoing after polarisation process to incident light; Supporting layer 342 is arranged on upside and the downside of polarizing layer 341, for the protection of polarizing layer 341; Protective seam 343 is for isolating polarizing layer 341 and external environment, and this protective seam 343 is connected with supporting layer 342 by tack coat 344.
The quantum dot film 345 of this preferred embodiment is arranged between tack coat 344 and protective seam 343, and the incident light for wavelength being less than 400nm is converted to the incident light that wavelength is greater than 400nm.This quantum dot film 345 can emission wavelength be the long wave blue light of 400nm to 480nm equally under the exciting of the shortwave blue light of below wavelength 400nm, thus avoids shortwave blue light to the harm of human eye.Quantum dot film 345 does not filter shortwave blue light simultaneously, but is converted into long wave blue light, does not therefore almost affect the backlight efficiency of liquid crystal indicator.
Quantum dot film 345 also can be placed in protective seam 343, as carried out hardness process to quantum dot film 345, then can carry out surface treatment to supporting layer 342, also effectively can prevent the surface tear of Polarizer 34.
The display panels of this preferred embodiment on the basis of the first preferred embodiment, the firmness that also can connect between heavy seal coat and tack coat further.
The present invention also provides a kind of liquid crystal indicator, and this liquid crystal indicator comprises display panels and backlight.This display panels comprises array base palte, color membrane substrates, is arranged on liquid crystal layer between array base palte and color membrane substrates and Polarizer, and Polarizer is arranged on the outside of array base palte and the outside of color membrane substrates.
This Polarizer comprises polarizing layer, supporting layer, protective seam and quantum dot film.Polarizing layer is used for carrying out outgoing after polarisation process to incident light; Supporting layer is arranged on upside and the downside of polarizing layer, for the protection of polarizing layer; Protective layer used in polarizing layer and external environment being isolated, this protective seam is connected with supporting layer by tack coat.Quantum dot film is arranged between polarizing layer and supporting layer, between supporting layer and tack coat or between tack coat and protective seam, and the incident light for wavelength being less than 400nm is converted to the incident light that wavelength is greater than 400nm.
Preferably, quantum dot film comprises quantum dot and is filled in the potting resin between quantum dot.
Preferably, the particle diameter of quantum dot is 2nm to 3nm.
Preferably, the material of quantum dot is at least one in CdS, CdSe, CdTe, ZnSe, InP and InAs.
Preferably, the material of polarizing layer is polyvinyl alcohol (PVA).
Preferably, the material of supporting layer is Triafol T.
Preferably, the material of tack coat is polyisobutylene.
Preferably, when quantum dot film is arranged between polarizing layer and supporting layer, quantum dot film is coated on the surface of polarizing layer.
Preferably, when quantum dot film to be arranged between supporting layer and tack coat or between tack coat and protective seam time, hardness process is carried out to quantum dot film.
Description in the specific works principle of liquid crystal indicator of the present invention and the preferred embodiment of above-mentioned display panels is same or similar, specifically refers to the associated description in the preferred embodiment of above-mentioned display panels.
Display panels of the present invention and liquid crystal indicator are changed the harmful blue light of infringement human eye by arranging of quantum dot film, so namely protect human eye, in turn ensure that the backlight efficiency of liquid crystal indicator; What solve existing display panels and liquid crystal indicator has certain infringement and backlight efficiency technical matters to human eye.
In sum; although the present invention discloses as above with preferred embodiment; but above preferred embodiment is also not used to limit the present invention; those of ordinary skill in the art; without departing from the spirit and scope of the present invention; all can do various change and retouching, the scope that therefore protection scope of the present invention defines with claim is as the criterion.
Claims (10)
1. a display panels, it liquid crystal layer comprising array base palte, color membrane substrates and be arranged between described array base palte and described color membrane substrates; It is characterized in that, described display panels also comprises:
Polarizer, is arranged on the outside of described array base palte and the outside of described color membrane substrates;
Wherein described at least one, Polarizer comprises:
Polarizing layer, for carrying out outgoing after polarisation process to incident light;
Supporting layer, is arranged on upside and the downside of described polarizing layer, for the protection of described polarizing layer;
Protective seam, for described polarizing layer and external environment being isolated, described protective seam is connected with described supporting layer by tack coat; And
Quantum dot film, be arranged between described polarizing layer and described supporting layer, between described supporting layer and described tack coat or between described tack coat and described protective seam, the incident light for wavelength being less than 400nm is converted to the incident light that wavelength is greater than 400nm.
2. display panels according to claim 1, is characterized in that, described quantum dot film comprises quantum dot and is filled in the potting resin between described quantum dot.
3. display panels according to claim 2, is characterized in that, the particle diameter of described quantum dot is 2nm to 3nm.
4. display panels according to claim 2, is characterized in that, the material of described quantum dot is at least one in CdS, CdSe, CdTe, ZnSe, InP and InAs.
5. display panels according to claim 1, is characterized in that, the material of described polarizing layer is polyvinyl alcohol (PVA).
6. display panels according to claim 1, is characterized in that, the material of described supporting layer is Triafol T.
7. display panels according to claim 1, is characterized in that, the material of described tack coat is polyisobutylene.
8. display panels according to claim 1, is characterized in that, when described quantum dot film is arranged between described polarizing layer and described supporting layer, described quantum dot film is coated on the surface of described polarizing layer.
9. display panels according to claim 1; it is characterized in that; when described quantum dot film to be arranged between described supporting layer and described tack coat or between described tack coat and described protective seam time; skin hardness process is carried out to described quantum dot film, to prevent described Polarizer surface tear.
10. one kind uses the liquid crystal indicator of the arbitrary display panels in claim 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510245726.6A CN104849904B (en) | 2015-05-14 | 2015-05-14 | Liquid crystal display panel and liquid crystal display device |
| PCT/CN2015/085390 WO2016179906A1 (en) | 2015-05-14 | 2015-07-29 | Liquid crystal display panel and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510245726.6A CN104849904B (en) | 2015-05-14 | 2015-05-14 | Liquid crystal display panel and liquid crystal display device |
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| Publication Number | Publication Date |
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| CN104849904A true CN104849904A (en) | 2015-08-19 |
| CN104849904B CN104849904B (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510245726.6A Active CN104849904B (en) | 2015-05-14 | 2015-05-14 | Liquid crystal display panel and liquid crystal display device |
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| CN (1) | CN104849904B (en) |
| WO (1) | WO2016179906A1 (en) |
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| CN105093382A (en) * | 2015-09-25 | 2015-11-25 | 深圳市华星光电技术有限公司 | Polarizer |
| CN105093381A (en) * | 2015-09-24 | 2015-11-25 | 深圳市华星光电技术有限公司 | Quantum dot polarizer and manufacturing method thereof |
| CN105204106A (en) * | 2015-10-12 | 2015-12-30 | 深圳市华星光电技术有限公司 | Manufacturing method for quantum dot polarizer |
| CN105925215A (en) * | 2016-05-03 | 2016-09-07 | 深圳市华星光电技术有限公司 | Preparation method of quantum dot glue, quantum dot glue and quantum dot polaroid |
| CN106019454A (en) * | 2016-07-28 | 2016-10-12 | 深圳市华星光电技术有限公司 | Metal wire grid polarizing film and liquid crystal display device |
| CN106010524A (en) * | 2016-05-24 | 2016-10-12 | 浙江大学 | III-V group quantum dots, and preparation method and application thereof |
| WO2017049889A1 (en) * | 2015-09-23 | 2017-03-30 | 京东方科技集团股份有限公司 | Display apparatus |
| CN106773312A (en) * | 2017-01-11 | 2017-05-31 | 京东方科技集团股份有限公司 | A kind of display panel and display device |
| WO2017101216A1 (en) * | 2015-12-18 | 2017-06-22 | 深圳市盛波光电科技有限公司 | Polarizer |
| CN107422411A (en) * | 2017-09-26 | 2017-12-01 | 深圳市华星光电技术有限公司 | Compound polaroid and preparation method thereof, display module |
| CN108333829A (en) * | 2018-02-01 | 2018-07-27 | 惠州市华星光电技术有限公司 | A kind of liquid crystal display panel and liquid crystal display device |
| WO2018166175A1 (en) * | 2017-03-15 | 2018-09-20 | 京东方科技集团股份有限公司 | Polarizer and display device |
| CN108572479A (en) * | 2018-04-17 | 2018-09-25 | 昆山龙腾光电有限公司 | Display device |
| CN108663853A (en) * | 2018-04-25 | 2018-10-16 | 昆山龙腾光电有限公司 | Liquid crystal display panel, liquid crystal display device and liquid crystal display panel preparation method |
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