CN102073178A - Cholesterol liquid crystal display device - Google Patents
Cholesterol liquid crystal display device Download PDFInfo
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- CN102073178A CN102073178A CN 201110042535 CN201110042535A CN102073178A CN 102073178 A CN102073178 A CN 102073178A CN 201110042535 CN201110042535 CN 201110042535 CN 201110042535 A CN201110042535 A CN 201110042535A CN 102073178 A CN102073178 A CN 102073178A
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Abstract
The invention relates to a cholesterol liquid crystal display device, comprising a substrate, a light absorption layer and a cholesterol liquid crystal layer. The light absorption layer is arranged on the substrate. The cholesterol liquid crystal layer is arranged above the light absorption layer and comprises a plurality of lines of levorotatory cholesterol liquid crystals and a plurality of lines of dextrorotatory cholesterol liquid crystals which are alternately arranged. The cholesterol liquid crystal display device in the invention respectively reflects a levorotatory light and a dextrorotatory light by virtue of the levorotatory cholesterol liquid crystals and the dextrorotatory cholesterol liquid crystals, thus an observer can see different images with the eyes so as to form 3D development effect.
Description
Technical field
The invention relates to a kind of liquid crystal indicator, particularly relevant a kind of cholesteric liquid crystal device that can show three-dimensional (3D) image.
Background technology
The 3D display device utilizes the mode of spatial multiplexing (spatial multiplexed) or time multitask (time multiplexed) to allow left eye and right eye receive the image of two different angles respectively, by brain the image of these two different angles is fused into the image with three-dimensional depth consciousness again again, forms so-called 3D image.
At present the 3D display device is still worn special spectacles with need and is watched that to form the 3D image be the main flow mode, and this mode can further be subdivided into polarization type (pattern retarder) and two kinds of technology of gate-type (shutter glasses) soon.
Seeing also Fig. 1, is the synoptic diagram that illustrates polarization type 3D display device 10.This polarization type 3D display device 10 is to utilize the mode of spatial multiplexing to allow left eye 100 and right eye 102 receive different images, its technology is that polarization type 3D display device several pixels of 10 GrandTech and even number bar pixel are presented left-eye images 104 and right-eye image 106 respectively, and the polaroid glasses 108 of arranging in pairs or groups again can allow left eye 100 and right eye 102 only receive left-eye images 104 respectively and right-eye image 106 forms the 3D image.Yet the shortcoming of this polarization type 3D display device 10 increases the burden of system handles for image must be divided in advance left-eye images 104 and right-eye image 106.
Seeing also Fig. 2 A-Fig. 2 B, is the displaying principle synoptic diagram that illustrates fast gate-type.The displaying principle of fast gate-type is to utilize the mode of time multitask with left-eye images 204 and right-eye image 206 Alternation Display, control a synchronous shutter through electronic signal again and view and admire device (synchronized shutter viewer) 200 left eye liquid crystal lens 208 and " covering " of right eye liquid crystal lens 210 and " unlatching ", when showing left-eye images 204, open left eye liquid crystal lens 208 and cover right eye liquid crystal lens 210, shown in Fig. 2 A, on the other hand, when showing right-eye image 206, open right eye liquid crystal lens 210 and cover left eye liquid crystal lens 208, shown in Fig. 2 B.So again and again, left-eye images 204 and right-eye image 206 carry out Alternation Display with the speed faster than the mankind's persistence of vision, produce stereoscopic vision.The advantage of fast gate-type display technique is that the resolution of display device can not reduce by half, but need 2 times of i.e. 120 hertz of (Hertz at least, Hz) frame updating frequency will make liquid crystal be difficult to transition to required state yet improve the frame updating frequency, and make the brightness of display frame significantly reduce.In addition, improve the frame updating frequency and can allow also beholder's vision is easier feels tired.
Summary of the invention
A purpose of the present invention is to provide a kind of cholesteric liquid crystal device that can show the 3D image.
For achieving the above object, according to characteristics of the present invention, a kind of cholesteric liquid crystal device comprises a substrate, a light absorbing zone and a cholesteric liquid crystal layer.This light absorbing zone is arranged on this substrate.This cholesteric liquid crystal layer is arranged at this light absorbing zone top, and it comprises that left-handed cholesterol liquid crystal of several column and several column dextrorotation cholesterol liquid crystal are staggered.
According to another characteristics of the present invention, a kind of cholesteric liquid crystal device comprises a substrate, a light absorbing zone, one first cholesteric liquid crystal layer and one second cholesteric liquid crystal layer.This light absorbing zone is arranged on this substrate.This first cholesteric liquid crystal layer is arranged on this light absorbing zone.This second cholesteric liquid crystal layer is arranged on this first cholesteric liquid crystal layer.The one of this first cholesteric liquid crystal layer and this second cholesteric liquid crystal layer comprises left-handed cholesterol liquid crystal, and another person of this first cholesteric liquid crystal layer and this second cholesteric liquid crystal layer comprises the dextrorotation cholesterol liquid crystal.
Cholesteric liquid crystal device of the present invention reflects left-handed rotation and right-handed rotation respectively by left-handed cholesterol liquid crystal and dextrorotation cholesterol liquid crystal, makes beholder's eyes see different images and form 3D effect.
Description of drawings
Fig. 1 is the synoptic diagram that illustrates polarization type 3D display device;
Fig. 2 A-Fig. 2 B is the displaying principle synoptic diagram that illustrates fast gate-type;
Fig. 3 A-Fig. 3 B is cholesteric liquid crystal device and the displaying principle synoptic diagram thereof that illustrates according to first embodiment of the invention;
Fig. 4 A-Fig. 4 B is cholesteric liquid crystal device and the displaying principle synoptic diagram thereof that illustrates according to second embodiment of the invention; And
Fig. 5 A-Fig. 5 B is cholesteric liquid crystal device and the displaying principle synoptic diagram thereof that illustrates according to third embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is elaborated.
Seeing also Fig. 3 A-Fig. 3 B, is cholesteric liquid crystal device 30 and the 3D image displaying principle synoptic diagram thereof that illustrates according to first embodiment of the invention.This cholesteric liquid crystal device 30 comprises a substrate 300, a light absorbing zone 302 and a cholesteric liquid crystal layer 304.The display device that this cholesteric liquid crystal device 30 can drive for the display device or the passive matrix type of active-matrix formula driving.This substrate 300 can be a glass substrate or a plastic base.This light absorbing zone 302 can be made by black material or the light-absorbing material of other energy.This light absorbing zone 302 is arranged on this substrate 300.This cholesteric liquid crystal layer 304 is arranged on this light absorbing zone 302, and it comprises that red left-handed cholesterol liquid crystal 306 of several column and the red dextrorotation cholesterol liquid crystal 308 of several column are staggered.This cholesteric liquid crystal layer 304 is the cholesterol liquid crystal of tool individual reflection wavelength, it can the light of reflected wavelength range from 380 μ m (micrometer) to 720 μ m, with left-handed cholesterol liquid crystal 306 of redness and red dextrorotation cholesterol liquid crystal 308 is example, and it can reflection wavelength be the red light of 620 μ m.The mode that this cholesteric liquid crystal layer 304 is set is a known technology and non-for emphasis of the present invention, so do not add to give unnecessary details.
As shown in Figure 3A, extraneous light 370 comprises when versicolor left-handed rotation and right-handed rotation enter this cholesteric liquid crystal device 30, red left-handed cholesterol liquid crystal 306 only can reflection Red left-handed rotation 316 and make the left-handed rotation of red right-handed rotation (not shown) and other color and right-handed rotation (not shown) penetrates into this light absorbing zone 302 and absorbed by this light absorbing zone 302, when a beholder (not shown) wore the glasses with a left-handed polarization sheet 312 and a dextrorotation polaroid 314, the red left-handed rotation 316 that red left-handed cholesterol liquid crystal 306 reflected can be absorbed by dextrorotation polaroid 314 by left-handed polarization sheet 312.On the other hand, shown in Fig. 3 B, red dextrorotation cholesterol liquid crystal 308 only can reflection Red right-handed rotation 318 and make the left-handed rotation of red left-handed rotation (not shown) and other color and right-handed rotation (not shown) penetrates into this light absorbing zone 302 and absorbed by this light absorbing zone 302, and the red right-handed rotation 318 that this redness dextrorotation cholesterol liquid crystal 308 is reflected can be absorbed by this left-handed polarization sheet 312 by this dextrorotation polaroid 314.By this, this beholder's (not shown) eyes can be seen different images and form 3D effect.
Present embodiment is to be example with left-handed cholesterol liquid crystal 306 of redness and red dextrorotation cholesterol liquid crystal 308, therefore this cholesteric liquid crystal device 30 is the monochromatic display device of the 3D that shows red picture, in other embodiment, this cholesteric liquid crystal device 30 can be the monochromatic display device of the 3D that only shows green picture or blue picture, its 3D image displaying principle is identical with above-mentioned Fig. 3 A-Fig. 3 B, and this repeats no more.
Seeing also Fig. 4 A-Fig. 4 B, is cholesteric liquid crystal device 40 and the 3D image displaying principle synoptic diagram thereof that illustrates according to second embodiment of the invention.This cholesteric liquid crystal device 40 comprises a substrate 400, a light absorbing zone 402 and a cholesteric liquid crystal layer 404.The display device that this cholesteric liquid crystal device 40 can drive for the display device or the passive matrix type of active-matrix formula driving.This substrate 400 can be a glass substrate or a plastic base.This light absorbing zone 402 can be made by black material or the light-absorbing material of other energy.This light absorbing zone 402 is arranged on this substrate 400.This cholesteric liquid crystal layer 404 is arranged at this absorption layer 402 tops, and it comprises that the red left-handed cholesterol liquid crystal 406 of several column, the red dextrorotation cholesterol liquid crystal 408 of several column, the green left-handed cholesterol liquid crystal 426 of several column, the green dextrorotation cholesterol liquid crystal 428 of several column, the blue left-handed cholesterol liquid crystal 436 of several column and the blue dextrorotation cholesterol liquid crystal 438 of several column are staggered.This cholesteric liquid crystal device 40 comprises the cholesterol liquid crystal of three kinds of colors of red, green, blue, therefore can show the 3D chromatic image.The mode that this cholesteric liquid crystal layer 404 is set is a known technology and non-for emphasis of the present invention, so do not add to give unnecessary details.
In present embodiment, this cholesteric liquid crystal layer 404 is the combination of R-G-B, and in other embodiment, what this cholesteric liquid crystal layer 404 can be by in red-blue-green, green-red-blue, green-blue-red, blue-red-green and blue-green-red formation group is wherein a kind of.
Shown in Fig. 4 A, extraneous light 470 comprises when versicolor left-handed rotation and right-handed rotation enter this cholesteric liquid crystal device 40, red left-handed cholesterol liquid crystal 406 only can reflection Red left-handed rotation 416 and make the left-handed rotation of red right-handed rotation (not shown) and other color and right-handed rotation (not shown) penetrates into this light absorbing zone 402 and absorbed by this light absorbing zone 402, when a beholder (not shown) wore the glasses with a left-handed polarization sheet 412 and a dextrorotation polaroid 414, the red left-handed rotation 416 that red left-handed cholesterol liquid crystal 406 reflected can be absorbed by this dextrorotation polaroid 414 by this left-handed polarization sheet 412.On the other hand, shown in Fig. 4 B, red dextrorotation cholesterol liquid crystal 408 only can reflection Red right-handed rotation 418 and make the left-handed rotation of red left-handed rotation (not shown) and other color and right-handed rotation (not shown) penetrates into this light absorbing zone 402 and absorbed by this light absorbing zone 402, and the red right-handed rotation 418 that this redness dextrorotation cholesterol liquid crystal 408 is reflected can be absorbed by this left-handed polarization sheet 412 by this dextrorotation polaroid 414.By this, this beholder's (not shown) eyes can be seen different images and form 3D effect.As for the left-handed cholesterol liquid crystal 426 of this green and this green dextrorotation cholesterol liquid crystal 428 a reflection green left-handed rotation and green right-handed rotation respectively, the left-handed cholesterol liquid crystal 436 of this blueness and this blueness dextrorotation cholesterol liquid crystal 438 a reflection blue left-handed rotation and blue right-handed rotation respectively, its 3D displaying principle is identical with above-mentioned Fig. 4 A-Fig. 4 B, and this repeats no more.
Seeing also Fig. 5 A-Fig. 5 B, is cholesteric liquid crystal device 50 and the 3D image displaying principle synoptic diagram thereof that illustrates according to third embodiment of the invention.This cholesteric liquid crystal device 50 comprises a substrate 500, a light absorbing zone 502, one red left-handed cholesteric liquid crystal layer 550 and a red dextrorotation cholesteric liquid crystal layer 560.The display device that this cholesteric liquid crystal device 50 can drive for the display device or the passive matrix type of active-matrix formula driving.This substrate 500 can be a glass substrate or a plastic base.This light absorbing zone 502 can be made by black material or the light-absorbing material of other energy.This light absorbing zone 502 is arranged on this substrate 500.In present embodiment, the left-handed cholesteric liquid crystal layer 550 of this redness and this redness dextrorotation cholesteric liquid crystal layer 560 are set in regular turn in these light absorbing zone 502 tops.In another embodiment, this redness dextrorotation cholesteric liquid crystal layer 560 can be set earlier the left-handed cholesteric liquid crystal layer 550 of this redness be set again in these light absorbing zone 502 tops.
Shown in Fig. 5 A, extraneous light 570 comprises when versicolor left-handed rotation and right-handed rotation enter this cholesteric liquid crystal device 50, red left-handed cholesteric liquid crystal layer 550 only can reflection Red left-handed rotation 516 and make the left-handed rotation of red right-handed rotation (not shown) and other color and right-handed rotation (not shown) penetrates into this light absorbing zone 502 and absorbed by this light absorbing zone 502, when a beholder (not shown) wore the glasses with a left-handed polarization sheet 512 and a dextrorotation polaroid 514, the red left-handed rotation 516 that red left-handed cholesteric liquid crystal layer 550 reflected can be absorbed by this dextrorotation polaroid 514 by this left-handed polarization sheet 512.On the other hand, shown in Fig. 5 B, red dextrorotation cholesteric liquid crystal layer 560 only can reflection Red right-handed rotation 518 and make the left-handed rotation of red left-handed rotation (not shown) and other color and right-handed rotation (not shown) penetrates into this light absorbing zone 502 and absorbed by this light absorbing zone 502, and the red right-handed rotation 518 that this redness dextrorotation cholesteric liquid crystal layer 560 is reflected can be absorbed by this left-handed polarization sheet 512 by this dextrorotation polaroid 514.By this, this beholder's (not shown) eyes can be seen different images and form 3D effect.
Present embodiment is to form with left-handed cholesteric liquid crystal layer 550 of redness and red dextrorotation cholesteric liquid crystal layer 560 storehouses, therefore this cholesteric liquid crystal device 50 is the monochromatic display device of the 3D that shows red picture, in other embodiment, this cholesteric liquid crystal device 50 can be the monochromatic display device of the 3D that the left-handed cholesteric liquid crystal layer of green and green dextrorotation cholesterol liquid crystal layer stack form, or can be the monochromatic display device of the 3D that the left-handed cholesteric liquid crystal layer of blueness and blue dextrorotation cholesterol liquid crystal layer stack form, its 3D image displaying principle is identical with above-mentioned Fig. 5 A-Fig. 5 B, and this repeats no more.
In summary, the present invention is by left-handed cholesterol liquid crystal and dextrorotation cholesterol liquid crystal are arranged at identical layer (as first embodiment and second embodiment) with being staggered, or storehouse is set to two-layer (as the 3rd embodiment), reflect left-handed rotation and right-handed rotation by this respectively, make eyes can see through glasses and see different images and can form 3D effect with a left-handed polarization sheet and a dextrorotation polaroid.
Compare with known technology, advantage of the present invention is as follows: the image that (1) does not need in advance desire to be shown is divided into left-eye images and right-eye image in advance; (2) do not need to increase the frame updating frequency; (3) can utilize available liquid crystal display device processing procedure to implement the present invention, not need arrange in pairs or groups in addition other technology or optical thin film.
In sum; though the present invention with preferred embodiment openly as above; right its is not in order to limit the present invention; the persond having ordinary knowledge in the technical field of the present invention; without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking aforesaid the claim person of defining.
Claims (14)
1. a cholesteric liquid crystal device is characterized in that, comprising:
One substrate;
One light absorbing zone is arranged on this substrate; And
One cholesteric liquid crystal layer is arranged on this light absorbing zone, and this cholesteric liquid crystal layer comprises that left-handed cholesterol liquid crystal of several column and several column dextrorotation cholesterol liquid crystal are staggered.
2. cholesteric liquid crystal device as claimed in claim 1 is characterized in that, these left-handed cholesterol liquid crystals and these dextrorotation cholesterol liquid crystals are same color.
3. cholesteric liquid crystal device as claimed in claim 2 is characterized in that, these left-handed cholesterol liquid crystals and these dextrorotation cholesterol liquid crystals are red, green and blue wherein a kind of.
4. cholesteric liquid crystal device as claimed in claim 1, it is characterized in that, each is listed as left-handed cholesterol liquid crystal is one first color, one second color and one the 3rd color in regular turn, and each row dextrorotation cholesterol liquid crystal is this first color, this second color and the 3rd color in regular turn.
5. cholesteric liquid crystal device as claimed in claim 4, it is characterized in that this first color, this second color and the 3rd color are to be selected from R-G-B, red-blue-green, green-red-blue, green-blue-red, blue-red-green and blue-green-as redly to constitute wherein a kind of in the group.
6. cholesteric liquid crystal device as claimed in claim 1 is characterized in that, this substrate is a glass substrate or a plastic base.
7. cholesteric liquid crystal device as claimed in claim 1 is characterized in that, this light absorbing zone is made by the black material.
8. cholesteric liquid crystal device as claimed in claim 1 is characterized in that, this cholesteric liquid crystal device is the display device of active-matrix formula driving or the display device that a passive matrix type drives.
9. a cholesteric liquid crystal device is characterized in that, comprising:
One substrate;
One light absorbing zone is arranged on this substrate;
One first cholesteric liquid crystal layer is arranged on this light absorbing zone; And
One second cholesteric liquid crystal layer, be arranged on this first cholesteric liquid crystal layer, the one of this first cholesteric liquid crystal layer and this second cholesteric liquid crystal layer comprises left-handed cholesterol liquid crystal, and another person of this first cholesteric liquid crystal layer and this second cholesteric liquid crystal layer comprises the dextrorotation cholesterol liquid crystal.
10. cholesteric liquid crystal device as claimed in claim 9 is characterized in that, this first cholesteric liquid crystal layer and this second cholesteric liquid crystal layer are same color.
11. cholesteric liquid crystal device as claimed in claim 10 is characterized in that, this first cholesteric liquid crystal layer and this second cholesteric liquid crystal layer are red, green and blue wherein a kind of.
12. cholesteric liquid crystal device as claimed in claim 9 is characterized in that, this substrate is a glass substrate or a plastic base.
13. cholesteric liquid crystal device as claimed in claim 9 is characterized in that, this light absorbing zone is made by the black material.
14. cholesteric liquid crystal device as claimed in claim 9 is characterized in that, this cholesteric liquid crystal device is the display device of active-matrix formula driving or the display device that a passive matrix type drives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110042535 CN102073178B (en) | 2011-02-22 | 2011-02-22 | Cholesterol liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110042535 CN102073178B (en) | 2011-02-22 | 2011-02-22 | Cholesterol liquid crystal display device |
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| Publication Number | Publication Date |
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| CN102073178A true CN102073178A (en) | 2011-05-25 |
| CN102073178B CN102073178B (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110042535 Expired - Fee Related CN102073178B (en) | 2011-02-22 | 2011-02-22 | Cholesterol liquid crystal display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102981316A (en) * | 2012-11-02 | 2013-03-20 | 京东方科技集团股份有限公司 | Display panel and manufacturing method thereof and display device |
| CN106773433A (en) * | 2017-02-27 | 2017-05-31 | 南方科技大学 | Liquid crystal display panel and manufacturing method thereof |
| CN113534555A (en) * | 2021-07-20 | 2021-10-22 | Tcl华星光电技术有限公司 | Display panel, preparation method thereof and three-dimensional display device |
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| US5457554A (en) * | 1993-04-26 | 1995-10-10 | Faris; Sadeg M. | 3-D printing technology based on selective reflecting polarizing media |
| CN1338656A (en) * | 2001-09-29 | 2002-03-06 | 赵静安 | Reflection-type cholester-phase stereo LCD |
| CN1834736A (en) * | 2005-03-14 | 2006-09-20 | 财团法人工业技术研究院 | Color cholesterol type LCD device and its mfg. method |
| US20100128188A1 (en) * | 2008-11-27 | 2010-05-27 | Samsung Electronics Co., Ltd. | Display device and method of manufacturing the same |
| CN101750784A (en) * | 2008-11-28 | 2010-06-23 | 财团法人工业技术研究院 | Liquid crystal display and manufacture method thereof |
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2011
- 2011-02-22 CN CN 201110042535 patent/CN102073178B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5457554A (en) * | 1993-04-26 | 1995-10-10 | Faris; Sadeg M. | 3-D printing technology based on selective reflecting polarizing media |
| CN1338656A (en) * | 2001-09-29 | 2002-03-06 | 赵静安 | Reflection-type cholester-phase stereo LCD |
| CN1834736A (en) * | 2005-03-14 | 2006-09-20 | 财团法人工业技术研究院 | Color cholesterol type LCD device and its mfg. method |
| US20100128188A1 (en) * | 2008-11-27 | 2010-05-27 | Samsung Electronics Co., Ltd. | Display device and method of manufacturing the same |
| CN101750784A (en) * | 2008-11-28 | 2010-06-23 | 财团法人工业技术研究院 | Liquid crystal display and manufacture method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102981316A (en) * | 2012-11-02 | 2013-03-20 | 京东方科技集团股份有限公司 | Display panel and manufacturing method thereof and display device |
| CN102981316B (en) * | 2012-11-02 | 2015-01-21 | 京东方科技集团股份有限公司 | Display panel and manufacturing method thereof and display device |
| CN106773433A (en) * | 2017-02-27 | 2017-05-31 | 南方科技大学 | Liquid crystal display panel and manufacturing method thereof |
| CN113534555A (en) * | 2021-07-20 | 2021-10-22 | Tcl华星光电技术有限公司 | Display panel, preparation method thereof and three-dimensional display device |
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| CN102073178B (en) | 2013-04-24 |
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