CN101408692B - Stereo LCD device - Google Patents
Stereo LCD device Download PDFInfo
- Publication number
- CN101408692B CN101408692B CN2007101525596A CN200710152559A CN101408692B CN 101408692 B CN101408692 B CN 101408692B CN 2007101525596 A CN2007101525596 A CN 2007101525596A CN 200710152559 A CN200710152559 A CN 200710152559A CN 101408692 B CN101408692 B CN 101408692B
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- China
- Prior art keywords
- liquid crystal
- crystal display
- display panels
- stereo
- display device
- Prior art date
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Links
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Images
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- Polarising Elements (AREA)
Abstract
The invention relates to a structural improvement of steric liquid crystal displays, comprising two liquid crystal display panels and an optical thin-film which can be penetrated through by optical lines and has no polarization effects. The optical thin-film is arranged between the two liquid crystal display panels, wherein, the upper and lower surfaces of the lower liquid crystal display panel are provided with an upper and a lower polaroids while the upper surface of the upper liquid crystal display panel is equipped with a delayed film. Therefore, when audiences can wear polarizing glasses to watch images, the left and right pictures can be displayed respectively by the two liquid crystal display panels through the steric liquid crystal display. Furthermore, the effect of depth produced by the simultaneous display of the two liquid crystal displays leads to more prominent steric images and facilitates to eliminate the phenomena of dark-and-light Morrie caused by optical interference on steric images.
Description
Technical field
The relevant a kind of LCD stereoscopic display of the present invention refers to that especially a kind of audience of order sees the structural improvement of the stereo-liquid crystal display device that stereopsis comparatively highlights.
Background technology
Usually, stereopsis is according to stereoscopic vision (stereo eyesight) principle that sees through human eyes, that is the distance existence that is approximately 65mm binocular parallax occurs and forms because eyes are separated by.In other words, eyes see through retina and see two different bidimensionals (2D) image that is sent to human brain, and human brain is combined to the degree of depth and entity with the regeneration real image with two images.
And wherein a kind of stereoscopic imaging apparatus comprises a lenticule and a parallax barrier.This stereoscopic imaging apparatus may in conjunction with or an additional conversion equipment so that show 2D image and 3D image.For example, an additional converting unit and has the lenticule (with reference to international monopoly (WO patent) 03/015424-A2 number) of refraction ansiotropy or in conjunction with a converting unit and a delayer (retarder) (with reference to United States Patent (USP) No. 6046849, No. 6055013, No. 6437915) or in conjunction with the Polarizer (with reference to United States Patent (USP) No. 4717949, No. 6157424) that a converting unit and is provided with the crack this stereoscopic imaging apparatus can be changed 2D image and 3D image mutually.
Use this lenticular this holographic display device typically to comprise a display panel, a lenticule panel, and a converting unit.This lenticule panel is a most important parts wherein, and along with this lenticule panel is made by precision, this holographic display device can clearly illustrate stereopsis.Yet, be formed on this lenticule panel lenticule during fabrication between on have many problems.
In addition, also favourable design with grating, the image that right and left eyes is seen is separated, its principle is to increase by a twisted nematic grating in liquid crystal display device module, or two groups of twisted nematic gratings, as number No. 266077 patent of TaiWan, China patent announcement then two groups of complementations to the row grating, open grating respectively at frequency odd number or even number respectively, make right and left eyes when odd number, even number frequency, can see an independent image separately, and then form a stereopsis.And because left and right sides picture all with a slice display panel, though can produce stereopsis, still can't show space or depth perception.
Summary of the invention
The present invention, its fundamental purpose shows the right and left eyes picture for a stereo-liquid crystal display device is provided respectively by two display panels, and shows the depth effect of generation simultaneously by two display panels, makes that stereopsis is better to highlight.
Second purpose of the present invention, by the blooming between two liquid crystal panels, make between first liquid crystal panel and second panel and produce a spacing, make the light that sees through liquid crystal bug hole (CELL), not because of the printing opacity hole influence of liquid crystal bug hole (CELL) spacing, can overcome the folded line phenomenon of light and shade of diffraction, the interference of light.
The 3rd purpose of the present invention at the surface structure by blooming, produces outside the spacing two panels, also produces a clearance at blooming, makes glass can not produce applying adherence phenomenon, the hot spot situation that produces in the time of can avoiding adherence.
Therefore, the structure of stereo-liquid crystal display device of the present invention is constituted by two display panels and middle blooming, and the light and shade that can be used for destroying and eliminate LCD is folded the light interference phenomena of line.
Description of drawings
Fig. 1 is the structural representation of the first embodiment stereo-liquid crystal display device among the present invention;
Fig. 2 is the optic film structure synoptic diagram of first embodiment among the present invention;
Fig. 3 is the optic film structure synoptic diagram of second embodiment among the present invention.
[figure number explanation]
The a first clearance b second clearance
11 first display panels 12 bloomings
Polaroid on 13 second display panels 131
132 times polaroid 14 backlight assemblies
15 phase shift films, 21 substrates
22 optics tree resin layers, 23 optics tree resin layers
24 optical microstructures
Embodiment
In order to allow above-mentioned purpose of the present invention, functional character and advantage understand by clearer and more definite quilt, hereinafter with the present invention with preferable example, and cooperate appended graphicly, be described in detail below:
Please refer to Fig. 1, the stereo-liquid crystal display device of first embodiment of the invention, comprise two display panels, be respectively first, second display panels 11,13, the optical thin film 12 of at least one no polarization effect, one phase shift films 15 and a backlight assembly 14, wherein, this first display panels 11 is located at second display panels, 13 tops, and on second display panels 13, the lower surface place is provided with, following polaroid 131,132,12 of this optical thin films are located between the polaroid 131 and first display panels 11, and wherein first display panel 11 forms one first clearance a naturally with optical thin film 12; Last polaroid 131 then forms one second clearance b with another surface of optical thin film 12; This phase shift films 15 is located at first display panels, 11 upper surface places, the uniform in-plane light that backlight assembly 14 then provides, this backlight assembly 14 can be located at second display panels, 13 belows, and this backlight assembly 14 can be side-light type backlight assembly or direct type backlight assembly, among the embodiment as shown in the figure, this backlight assembly 14 is a direct type backlight assembly.
During concrete the use, the light that this backlight assembly 14 is sent, respectively via behind this first, second display panels 11,13, can form the light wave of opposed polarity, and the audience wears polaroid glasses and when watching image, left and right two eyeglass, indivedual light waves that only allow by first, second display panels 11,13, and the 3-D effect of generation images of left and right eyes; An and spacing that provides by blooming 12 thickness own, this spacing becomes a ratio with the pel spacing and the aperture opening ratio of display panels, when light by the time this proportional spacing the diffraction interference of light is destroyed, the folded line phenomenon of light and shade is solved; In addition, because two display panels, because of having a suitable spacing,, make that stereopsis is better to highlight so when viewing and admiring, visually have the certain depth effect.
Please refer to Fig. 2, the optic film structure figure of first embodiment of the invention, this blooming 12 be a substrate 21 with and two surfaces then be optics tree resin layer 22,23 constitute, the optics tree resin layer 22 of this upper surface or lower surface, 23 can further be provided with optical microstructures, among the embodiment as shown in the figure, optics tree resin layer 22 in upper surface is provided with optical microstructures 24, this optical microstructures 24 can be for protruding the structure 24 on optics tree resin layer 22 surfaces, make the surface have certain roughness, so that this optics tree resin layer has antireflection, increase the effect of incident ray, use brilliant degree and promote; In addition also can be naturally and display panels form a clearance, made light many four refractions, can avoid the straight-through phenomenon of light to produce; Certainly, also can the while be provided with optical microstructures 24 in the optics tree resin layer 22,23 of upper surface and lower surface, as shown in Figure 3, and this optical microstructures 24 can be the structure on recessed optics tree resin layer surface 22,23.
This substrate 21 is the material of unstressed residual and free of birefringence rate, its material is preferably polyethylene terephthalate (PET), polycarbonate (PC), polymetylmethacrylate, poly-cycloolefin macromolecule (COP), epoxy resin (EXOPY), polystyrene relevant macromolecular materials such as (PS), cellulose derivative (cellulose vinegar for example, cellulose ether or cellulosic low carbon fatty acid vinegar, Triafol T), norbornene based polymer or ethylene-based polymer (for example poly-methyl methacrylate vinegar), and this substrate stretches with the stretching ratio of 3-100% and forms; Moreover this substrate also can use the extrusion by melting with the polymkeric substance of heat fusing, or use contain adjuvant, particle, solvent, with the solution casting manufactured of the dope of polymkeric substance (as the vinegar cellulose).
And optics tree resin layer 22,23 material can be epoxy resin, melamine resin (Melami), polyamine ylmethyl ester (PU), polymethylmethacrylate (PMMA), vinyl acetate vinyl acetate multipolymer (EVA), polyvinyl alcohol (PVA) (PVA) or its combination, also can mix organic diffusion particle, its material is preferably polymethylmethacrylate (PMMA), Polyvinylchloride (PVC), silica gel (silicon), polyamine ylmethyl ester (PU-polyurethane), polystyrene (PS-polystyrene) or its combination, or its material of inorganic diffusion particle is preferably monox (SiO
2), alundum (Al (Al
2O
3) or its combination.
What deserves to be mentioned is, blooming of the present invention has the influence that light is not produced polarization, can allow the light penetration of polarization, and this blooming is arranged between two display panels, and this blooming surface further can be provided with optical microstructures, and this optical microstructures can effectively be eliminated the phenomenon of stereopsis because of the folded line (Morrie) of light and shade that optical interference takes place.
As mentioned above, the structural improvement of the preferable feasible stereo-liquid crystal display device of the present invention is so offer the application of patent of invention in accordance with the law; Yet, above implementation and graphic shown in, preferred embodiment of the present invention is not to limit to the present invention with this, be with, approximate with structure of the present invention, device, feature etc., identical such as, all should belong to of the present invention founding within purpose and the claim.
Claims (9)
1. stereo-liquid crystal display device, it is provided with at least:
Two display panels are respectively first, second display panels, and this first display panels is located at second display panels top, and the upper and lower surface of second display panels is provided with upper and lower polaroid;
The optical thin film of at least one no polarization effect, this optical thin film are located between the polaroid and first display panels;
Should go up and form first clearance between polaroid and optical thin film, and form second clearance between first display panels and optical thin film.
2. stereo-liquid crystal display device as claimed in claim 1, wherein, this first display panels upper surface place is provided with a phase shift films.
3. stereo-liquid crystal display device as claimed in claim 1, wherein, this second display panels below is provided with backlight assembly.
4. stereo-liquid crystal display device as claimed in claim 1, wherein, this blooming is based on a substrate, and the upper and lower surface of this substrate then is the optics tree resin layer.
5. stereo-liquid crystal display device as claimed in claim 4, wherein, this substrate is the material of unstressed residual and free of birefringence rate.
6. stereo-liquid crystal display device as claimed in claim 4 wherein, can mix organic diffusion particle or inorganic diffusion particle in this optics tree resin layer.
7. stereo-liquid crystal display device as claimed in claim 4, wherein, the optics tree resin layer of this upper surface or lower surface can further be provided with optical microstructures.
8. stereo-liquid crystal display device as claimed in claim 4, wherein, the optics tree resin layer of this upper surface and lower surface can further be provided with optical microstructures.
9. as claim 7 or 8 described stereo-liquid crystal display devices, wherein, this optical microstructures can be the structure on protrusion or recessed optics tree resin layer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101525596A CN101408692B (en) | 2007-10-11 | 2007-10-11 | Stereo LCD device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101525596A CN101408692B (en) | 2007-10-11 | 2007-10-11 | Stereo LCD device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101408692A CN101408692A (en) | 2009-04-15 |
| CN101408692B true CN101408692B (en) | 2010-07-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101525596A Expired - Fee Related CN101408692B (en) | 2007-10-11 | 2007-10-11 | Stereo LCD device |
Country Status (1)
| Country | Link |
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| CN (1) | CN101408692B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103718094B (en) * | 2011-03-30 | 2016-04-27 | 拉谢扎·科米托夫 | Two box liquid-crystal apparatus of quick switching |
| CN102789103A (en) * | 2012-08-10 | 2012-11-21 | 京东方科技集团股份有限公司 | Liquid crystal grating and display device |
| US9898114B2 (en) * | 2014-12-23 | 2018-02-20 | Intel Corporation | Electroactive privacy layer of a display device |
| CN109491155B (en) * | 2019-01-08 | 2021-12-17 | 京东方科技集团股份有限公司 | Display panel, manufacturing method thereof and display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1629693A (en) * | 2003-12-15 | 2005-06-22 | 力特光电科技股份有限公司 | Diffuser plate structure capable of increasing penetration rate |
| CN1666142A (en) * | 2002-07-08 | 2005-09-07 | 皇家飞利浦电子股份有限公司 | Reflective stereoscopic display |
| CN1804681A (en) * | 2006-01-19 | 2006-07-19 | 汕头超声显示器有限公司 | Automatic stereo display |
| US20060203338A1 (en) * | 2005-03-12 | 2006-09-14 | Polaris Sensor Technologies, Inc. | System and method for dual stacked panel display |
| WO2007008777A2 (en) * | 2005-07-11 | 2007-01-18 | Neurok Optics Llc | Two-panel liquid crystal system with circular polarization and polarizer glasses suitable for three dimensional imaging |
-
2007
- 2007-10-11 CN CN2007101525596A patent/CN101408692B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1666142A (en) * | 2002-07-08 | 2005-09-07 | 皇家飞利浦电子股份有限公司 | Reflective stereoscopic display |
| CN1629693A (en) * | 2003-12-15 | 2005-06-22 | 力特光电科技股份有限公司 | Diffuser plate structure capable of increasing penetration rate |
| US20060203338A1 (en) * | 2005-03-12 | 2006-09-14 | Polaris Sensor Technologies, Inc. | System and method for dual stacked panel display |
| WO2007008777A2 (en) * | 2005-07-11 | 2007-01-18 | Neurok Optics Llc | Two-panel liquid crystal system with circular polarization and polarizer glasses suitable for three dimensional imaging |
| CN1804681A (en) * | 2006-01-19 | 2006-07-19 | 汕头超声显示器有限公司 | Automatic stereo display |
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| Publication number | Publication date |
|---|---|
| CN101408692A (en) | 2009-04-15 |
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