CN105807493A - Liquid crystal display screen - Google Patents
Liquid crystal display screen Download PDFInfo
- Publication number
- CN105807493A CN105807493A CN201610352103.3A CN201610352103A CN105807493A CN 105807493 A CN105807493 A CN 105807493A CN 201610352103 A CN201610352103 A CN 201610352103A CN 105807493 A CN105807493 A CN 105807493A
- Authority
- CN
- China
- Prior art keywords
- glass substrate
- lower glass
- lcds
- reflector plate
- layer
- 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.)
- Pending
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 74
- 239000011521 glass Substances 0.000 claims abstract description 72
- 230000010287 polarization Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000011159 matrix material Substances 0.000 claims description 25
- 238000009792 diffusion process Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 15
- 239000011368 organic material Substances 0.000 claims description 6
- 239000000565 sealant Substances 0.000 claims description 6
- 238000007373 indentation Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 abstract description 6
- 239000002131 composite material Substances 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 238000005530 etching Methods 0.000 abstract 1
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910018293 LaTiO3 Inorganic materials 0.000 description 1
- 230000005142 aphototropism Effects 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 125000004646 sulfenyl group Chemical group S(*)* 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted 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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Polarising Elements (AREA)
Abstract
The invention discloses a liquid crystal display screen. The liquid crystal display screen comprises an upper polaroid, an upper glass substrate, a liquid crystal layer, a metal wire grating polarizer, a composite optical layer and a lower glass substrate which are arranged in sequence from top to bottom, and further comprises a reflective sheet and a backlight source, wherein the backlight source is arranged on one side of the lower glass substrate; the reflective sheet coats the lower glass substrate and the backlight source; the top surface of the lower glass substrate is exposed out of the reflective sheet; the metal wire grating polarizer comprises a polarization substrate and a plurality of electrode strips which are formed on the polarization substrate through an etching process; the composite optical layer is used for adjusting light rays emitted from the upper surface of the lower glass substrate in order to form surface sources which are uniformly distributed. By adopting the liquid crystal display screen, a light guide plate of the liquid crystal display screen in the prior art is omitted, so that the overall thickness of the liquid crystal display screen is reduced greatly.
Description
Technical field
The present invention relates to display device technology field, special and a kind of LCDs.
Background technology
Traditional LCDs generally includes display panels and backlight module.LCDs includes polaroid, top glass substrate, liquid crystal layer, lower glass substrate, the multiple electrode strips being arranged on lower glass substrate upper surface and lower Polarizer from top to bottom successively.Backlight module is divided into sidelight type backlight module and down straight aphototropism mode set, but which kind of backlight module is generally all assembled by optical diaphragm group, light guide plate, LED lamp bar, reflector plate, glue frame and backboard superposition.
Along with electronic product is towards lightening design direction development, LCDs is as the important component part of electronic product, and LCDs needs the design direction towards ultrathin to develop.In the prior art, the thickness reducing LCDs generally adopts the thickness reducing glass substrate and reduces the thickness of the light guide plate in backlight module and optical diaphragm group, but, thickness of glass substrate is too thin and when being reduced to below 2mm, the display effect of display panels will be deteriorated, and the light guide plate in backlight module and optical diaphragm group are once made too thin, the optical efficiency loss of backlight module is bigger.Therefore, LCDs of the prior art, due to the restriction in structure, is difficult to the design direction towards ultrathin and develops.
Summary of the invention
It is an object of the invention to, it is provided that a kind of LCDs, to solve above-mentioned technical problem.
The embodiment of the present invention provides a kind of LCDs, and including the upper polaroid set gradually from top to bottom, top glass substrate, liquid crystal layer, wire grating Polarizer, complex optics layer and lower glass substrate, described LCDs also includes reflector plate and backlight；Described backlight is arranged on the side of described lower glass substrate, and described reflector plate is coated with described lower glass substrate and described backlight, and the end face of described lower glass substrate exposes outside described reflector plate；Described wire grating Polarizer includes polarization matrix and the multiple electrode strips formed in described polarization matrix by etch process；Described complex optics layer is for being adjusted the light that described lower glass substrate upper surface penetrates, to form equally distributed area source.
Further, described reflector plate is box shaped, the open top of described reflector plate, and described lower glass substrate and described backlight are positioned at the end face of described reflector plate and described lower glass substrate just opening to described reflector plate.
Further, the end face of described lower glass substrate is concordant with the opening of described reflector plate.
Further, described complex optics layer includes layers of prisms and is arranged on the upper diffusion layer on described layers of prisms end face.
Further, described layers of prisms includes prism matrix and forms the layers of prisms obturator on prism matrix end face, described upper diffusion layer includes diffusing matrix and forms the diffusion layer obturator on described diffusing matrix end face, form described prism matrix identical with the Refractive Index of Material of described diffusing matrix and for high-index material, form described layers of prisms obturator identical with the Refractive Index of Material of described diffusion layer obturator and be low-index material.
Further, described complex optics layer also includes the lower diffusion layer that is arranged on described layers of prisms bottom surface.
Further, described LCDs also includes sealant, and described sealant is arranged between described top glass substrate and described wire grating Polarizer, for being sealed by described liquid crystal layer.
Further, the lower surface of described lower glass substrate being formed with reflecting layer, described reflector plate contacts with described reflecting layer.
Further, the forming process in described reflecting layer comprises the following steps: made the bottom surface indentation of lower glass substrate in the bottom surface of lower glass substrate by etch process；The bottom surface of lower glass substrate is coated with organic material, and then forms groove or site.
Further, the refractive index of described organic material is identical with the refractive index of described lower glass substrate.
The projector of the present invention has the advantages that and is:
The LCDs of the present invention, by backlight being attached to the side of lower glass substrate, the lower surface of lower glass substrate is formed reflecting layer, destroy light total reflection in lower glass substrate, so that light reaches lower glass substrate upper surface and forms emergent light, forming uniform exiting surface through complex optics layer and changing into polarization light through wire grating Polarizer, thus eliminating the light guide plate of LCDs of the prior art, so that the integral thickness of the LCDs of the present invention is substantially reduced.
Accompanying drawing explanation
Fig. 1 is the structural representation of the LCDs that invention is implemented.
Fig. 2 is the structural representation of the complex optics layer in Fig. 1.
Fig. 3 is the structural representation of the lower glass substrate in Fig. 1.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is further described.
Refer to Fig. 1, Fig. 1 is the structural representation of the LCDs that invention is implemented, the embodiment of the present invention provides a kind of LCDs, including upper polaroid 1, top glass substrate 2, liquid crystal layer 3, wire grating Polarizer 4, complex optics layer 5, lower glass substrate 6, reflector plate 7 and backlight 8.
Upper polaroid 1, top glass substrate 2, liquid crystal layer 3, wire grating Polarizer 4, complex optics layer 5 set gradually from top to bottom with lower glass substrate 6.Wherein, wire grating Polarizer 4 includes polarization matrix 41 and the multiple electrode strips 42 formed in polarization matrix 41 by etch process, the function of the polarization matrix 41 in wire grating Polarizer 4 is identical with the effect of the lower polaroid in traditional LCDs and electrode strip, does not repeat them here.Complex optics layer 5 is for being adjusted the light that lower glass substrate 6 upper surface penetrates, to form equally distributed area source.
Backlight 8 is arranged on the side of lower glass substrate 6.Reflector plate 7 is coated with lower glass substrate 6 and backlight 8, and the end face of lower glass substrate 6 exposes from reflector plate 7.
Specifically, in the present embodiment, reflector plate 7 is box shaped, the open top of reflector plate 7, lower glass substrate 6 and backlight 8 are positioned at this reflector plate 7, and the end face of lower glass substrate 6 just opening to reflector plate 7, namely reflect inclined 7 and will wrap up lower glass substrate 6 and backlight 8, make the light that backlight 8 sends substantially without being diffused to the external world, enable the light that sends of backlight 8 to be utilized to the full extent, improve the utilization ratio of backlight 8.It should be noted that reflector plate 7 can be one-body molded, or the box like structure surrounded by multiple sub-reflector plates with lamellar.
At the present embodiment, the end face of lower glass substrate 6 is concordant with the opening of reflector plate 7, and the end face of backlight 8 is against the bottom surface at reflector plate 7 top, with fully reflective, it is prevented that light outward leakage.
In the present embodiment, the lower surface of lower glass substrate 6 being formed with reflecting layer 61, reflector plate 7 contacts with reflecting layer 61, arranges reflecting layer 61 and can improve the reflectance of reflector plate 7 between reflector plate 7 and lower glass substrate 6, to improve the utilization rate of backlight 8.
Fig. 2 is the structural representation of the complex optics layer in Fig. 1, as in figure 2 it is shown, complex optics layer 5 includes layers of prisms 51 and is arranged on the upper diffusion layer 52 on layers of prisms 51 end face.Wherein, upper diffusion layer 52 is for making the light that lower glass substrate 6 upper surface penetrates form equally distributed area source, and layers of prisms 51 is for assembling the light of lower glass substrate 6 upper surface injection, to improve the brightness of centre visual angle.
Layers of prisms 51 includes prism matrix 511 and forms the layers of prisms obturator 512 on prism matrix 511 end face, and upper diffusion layer 52 includes diffusing matrix 521 and forms the diffusion layer obturator 522 on diffusing matrix 521 end face.Wherein, the Refractive Index of Material forming prism matrix 511 and diffusing matrix 521 is high-index material, for instance inorganic material is Si such as3Nx4Or LaTiO3, refractive index is about 2.0, or high refractive index resins material, such as the resin material containing sulfenyl can reach 1.7, the Refractive Index of Material forming layers of prisms obturator 512 and diffusion layer obturator 522 is low-index material, for instance ordinary resin material, refractive index is about 1.4
In the present embodiment, complex optics layer 5 also includes the lower diffusion layer 53 being arranged on layers of prisms 51 bottom surface, and the structure of lower diffusion layer 53 is identical with the structure of upper diffusion layer 52, does not repeat them here.
In the present embodiment, the LCDs of the present invention also includes sealant 9, and sealant 9 is arranged between top glass substrate 2 and wire grating Polarizer 4, for being sealed by liquid crystal layer 3.
Please also refer to the structural representation that Fig. 1 and Fig. 3, Fig. 3 are the lower glass substrate in Fig. 1, in the present embodiment, the forming process in reflecting layer 61 comprises the following steps: made the bottom surface indentation of lower glass substrate 6 in the bottom surface of lower glass substrate 6 by etch process；The bottom surface of lower glass substrate 6 is coated with organic material, and then forms groove or site, so that reflecting layer 61 is when coordinating with reflector plate 7, there is the function adding strong reflection.Wherein, the refractive index of organic material and the refractive index close of lower glass substrate 6 or identical, to obtain higher transmitance.
The LCDs of the present invention, by backlight 8 being attached to the side of lower glass substrate 6, the lower surface of lower glass substrate 6 is formed reflecting layer 61, destroy light total reflection in lower glass substrate 6, so that light reaches lower glass substrate 6 upper surface and forms emergent light, form uniform exiting surface through complex optics layer 5 and change into polarization light through wire grating Polarizer 4, eliminate the light guide plate of LCDs of the prior art, so that the integral thickness of the LCDs of the present invention is substantially reduced.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (10)
1. a LCDs, it is characterized in that, including the upper polaroid (1) set gradually from top to bottom, top glass substrate (2), liquid crystal layer (3), wire grating Polarizer (4), complex optics layer (5) and lower glass substrate (6), described LCDs also includes reflector plate (7) and backlight (8)；Described backlight (8) is arranged on the side of described lower glass substrate (6), described reflector plate (7) is coated with described lower glass substrate (6) and described backlight (8), and the end face of described lower glass substrate (6) exposes outside described reflector plate (7)；Described wire grating Polarizer (4) includes polarization matrix (41) and the multiple electrode strips (42) formed in described polarization matrix (41) by etch process；Described complex optics layer (5) is for being adjusted the light that described lower glass substrate (6) upper surface penetrates, to form equally distributed area source.
2. LCDs as claimed in claim 1, it is characterized in that, described reflector plate (7) is box shaped, the open top of described reflector plate (7), described lower glass substrate (6) and described backlight (8) are positioned at the end face of described reflector plate (7) and described lower glass substrate (6) just opening to described reflector plate (7).
3. LCDs as claimed in claim 2, it is characterised in that the end face of described lower glass substrate (6) is concordant with the opening of described reflector plate (7).
4. LCDs as claimed in claim 1, it is characterised in that described complex optics layer (5) includes layers of prisms (51) and the upper diffusion layer (52) being arranged on described layers of prisms (51) end face.
5. LCDs as claimed in claim 4, it is characterized in that, described layers of prisms (51) includes prism matrix (511) and forms the layers of prisms obturator (512) on prism matrix (511) end face, described upper diffusion layer (52) includes diffusing matrix (521) and forms the diffusion layer obturator (522) on described diffusing matrix (521) end face, form described prism matrix (511) identical with the Refractive Index of Material of described diffusing matrix (521) and for high-index material, form described layers of prisms obturator (512) identical with the Refractive Index of Material of described diffusion layer obturator (522) and for low-index material.
6. LCDs as claimed in claim 4, it is characterised in that described complex optics layer (5) also includes the lower diffusion layer (53) being arranged on described layers of prisms (51) bottom surface.
7. LCDs as claimed in claim 1, it is characterized in that, described LCDs also includes sealant (9), described sealant (9) is arranged between described top glass substrate (2) and described wire grating Polarizer (4), for being sealed by described liquid crystal layer (3).
8. LCDs as claimed in claim 1, it is characterised in that being formed with reflecting layer (61) on the lower surface of described lower glass substrate (6), described reflector plate (7) contacts with described reflecting layer (61).
9. LCDs as claimed in claim 8, it is characterized in that, the forming process of described reflecting layer (61) comprises the following steps: made the bottom surface indentation of lower glass substrate (6) in the bottom surface of lower glass substrate (6) by etch process；The bottom surface of lower glass substrate (6) is coated with organic material, and then forms groove or site.
10. LCDs as claimed in claim 9, it is characterised in that the refractive index of described organic material is identical with the refractive index of described lower glass substrate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610352103.3A CN105807493A (en) | 2016-05-25 | 2016-05-25 | Liquid crystal display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610352103.3A CN105807493A (en) | 2016-05-25 | 2016-05-25 | Liquid crystal display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105807493A true CN105807493A (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610352103.3A Pending CN105807493A (en) | 2016-05-25 | 2016-05-25 | Liquid crystal display screen |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238977A (en) * | 2017-08-07 | 2017-10-10 | 河源市乐源智能科技有限公司 | A kind of LCDs of high efficiency and heat radiation |
| CN107765470A (en) * | 2016-08-18 | 2018-03-06 | 三星显示有限公司 | Display device |
| CN108644552A (en) * | 2018-05-07 | 2018-10-12 | 芜湖博创新能源科技有限公司 | A kind of Domestic hanging display mounting bracket |
| CN110133910A (en) * | 2019-04-25 | 2019-08-16 | 昆山龙腾光电有限公司 | Concentration module, backlight module and display device |
| CN111708220A (en) * | 2020-06-23 | 2020-09-25 | 武汉华星光电技术有限公司 | Backlight source, display substrate and display device |
| CN112086014A (en) * | 2020-09-16 | 2020-12-15 | 武汉华星光电技术有限公司 | Backlight module and display device |
| CN115840310A (en) * | 2022-11-25 | 2023-03-24 | Tcl华星光电技术有限公司 | Optical diaphragm assembly, backlight module and display device |
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| CN108644552A (en) * | 2018-05-07 | 2018-10-12 | 芜湖博创新能源科技有限公司 | A kind of Domestic hanging display mounting bracket |
| CN110133910A (en) * | 2019-04-25 | 2019-08-16 | 昆山龙腾光电有限公司 | Concentration module, backlight module and display device |
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| CN112086014A (en) * | 2020-09-16 | 2020-12-15 | 武汉华星光电技术有限公司 | Backlight module and display device |
| CN112086014B (en) * | 2020-09-16 | 2022-03-08 | 武汉华星光电技术有限公司 | Backlight module and display device |
| CN115840310A (en) * | 2022-11-25 | 2023-03-24 | Tcl华星光电技术有限公司 | Optical diaphragm assembly, backlight module and display device |
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