CN202275248U - Electric-control colored color filter liquid crystal light valve - Google Patents
Electric-control colored color filter liquid crystal light valve Download PDFInfo
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- CN202275248U CN202275248U CN2011204122194U CN201120412219U CN202275248U CN 202275248 U CN202275248 U CN 202275248U CN 2011204122194 U CN2011204122194 U CN 2011204122194U CN 201120412219 U CN201120412219 U CN 201120412219U CN 202275248 U CN202275248 U CN 202275248U
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Abstract
The utility model discloses an electric-control colored color filter liquid crystal light valve, which is characterized in that three liquid crystal layers are arranged into four layers of transparent substrates in a sandwich mode, and the electric-control colored color filter liquid crystal light valve sequentially comprises a first transparent substrate, a first dye liquid crystal layer, a second transparent substrate, a second dye liquid crystal layer, a third transparent substrate, a third dye liquid crystal layer and a fourth transparent substrate from top to bottom. The first dye liquid crystal layer, the second dye liquid crystal layer and the third dye liquid crystal layer are nematic-phase liquid crystal layers containing different dichroism dye and can absorb red light, green light and blue light which have different wave lengths. The electric-control colored color filter liquid crystal light valve can save space of a single pixel and effectively improves display resolution.
Description
Technical field
The utility model relates to color liquid crystal display arrangement, especially automatically controlled color filter liquid crystal light valve.
Background technology
Along with the develop rapidly of science and technology in recent years, liquid color display has been widely used in many aspects such as computing machine, televisor, mobile phone and digital camera of individual as the information display section part.The color filter device of tradition liquid color display be red by R, G is green, the tiling of the blue sub-pixel of B is combined into pixel, the space that the single pixel of this structure occupies is big, is difficult to the resolution that reaches higher.
Shown in Figure 1 is the principle schematic of the chromatic color filter of routine.Wherein, red sub-pixel 101, green sub-pixels 102 and blue subpixels 103 tilings are arranged, and form a pixel, and chromatic color filter are made up of plurality of pixels point, and therefore single pixel will occupy bigger space, is difficult to the resolution that reaches higher.
The utility model content
The utility model is for avoiding above-mentioned existing in prior technology weak point, improve traditional chromatic color filter from structure, a kind of automatically controlled color filter liquid crystal light valve is provided, in the hope of saving the space of single pixel, improving the resolution that shows.
The utility model technical solution problem adopts following technical scheme:
The design feature of the automatically controlled color filter liquid crystal light valve of the utility model is to be the sandwich shape by four layers of transparency carrier three layers of liquid crystal layer are set, and comprises being first transparency carrier, the first dye solution crystal layer, second transparency carrier, the second dye solution crystal layer, the 3rd transparency carrier, the 3rd dye solution crystal layer and the 4th transparency carrier in order from top to bottom; The said first dye solution crystal layer, the second dye solution crystal layer and the 3rd dye solution crystal layer are the nematic liquid crystal layers that contains different dichroic dyes, can absorb three kinds of different wavelengths of light of red, green, blue respectively.
The design feature of the automatically controlled color filter liquid crystal light valve of the utility model also is:
Said first transparency carrier and the 4th transparency carrier simultaneously are being coated with transparency conducting layer near liquid crystal layer, second transparency carrier and the 3rd transparent substrate double-sided transparency conducting layer that all is coated with.
Between first transparency carrier and the first dye solution crystal layer; Between the first dye solution crystal layer and second transparency carrier; Between second transparency carrier and the second dye solution crystal layer, between the second dye solution crystal layer and the 3rd transparency carrier, between the 3rd transparency carrier and the 3rd dye solution crystal layer; And the 3rd be provided with the planar orientation layer respectively between dye solution crystal layer and the 4th transparency carrier, and the direction of each planar orientation layer is consistent.
The second planar orientation layer that is arranged on the first planar orientation layer between first transparency carrier and the first dye solution crystal layer and is arranged between the first dye solution crystal layer and second transparency carrier is an antiparallel planar orientation layer; Siping City's planar orientation layer that is arranged on the 3rd planar orientation layer between second transparency carrier and the second dye solution crystal layer and is arranged between the second dye solution crystal layer and the 3rd transparency carrier is an antiparallel planar orientation layer; The 6th planar orientation layer that is arranged on the 5th planar orientation layer between the 3rd transparency carrier and the 3rd dye solution crystal layer and is arranged between the 3rd dye solution crystal layer and the 4th transparency carrier is an antiparallel planar orientation layer.
On said first transparency carrier, linear polarizer is set; The polarization direction of said linear polarizer is consistent with each planar orientation layer direction.
Compared with present technology, the utility model beneficial effect is embodied in:
1, the utility model structurally adopts four layers of transparency carrier to be the sandwich shape three layers of liquid crystal layer is set, and arranges with traditional sub-pixel tiling and compares, and has saved the space of single pixel, improves the resolution that shows;
2, the utility model is between first transparency carrier and the first dye solution crystal layer; Between the first dye solution crystal layer and second transparency carrier; Between second transparency carrier and the second dye solution crystal layer; Between the second dye solution crystal layer and the 3rd transparency carrier, between the 3rd transparency carrier and the 3rd dye solution crystal layer, and antiparallel planar orientation layer is set respectively between the 3rd dye solution crystal layer and the 4th transparency carrier; This is to arrange according to the frictional direction of oriented layer for the liquid crystal that contains dichroic dye, and reaches the purpose of color filter.
3, have the parallel with it polarized light of complete absorbing polarization direction owing to dichroic dye in the utility model, see through the characteristics of the vertical with it polarized light in polarization direction; The liquid crystal that is mixed with dichroic dye is simultaneously roughly arranged according to the frictional direction of oriented layer, and the polarization direction of therefore necessary selection wire polaroid is consistent with the direction of oriented layer, reaches high contrast.
Description of drawings
Fig. 1 is the existing structure synoptic diagram.
Fig. 2 is the utility model structural representation.
Fig. 3 a, Fig. 3 b, Fig. 3 c and Fig. 3 d are the utility model displaying principle synoptic diagram.
Fig. 4 is to be the illustration intention through blue light wavelength.
Fig. 5 a, Fig. 5 b and Fig. 5 c are respectively the utility model first, second and the 3rd abosrption spectrogram.
Label among the figure: 101 red sub-pixel; 102 green sub-pixels; 103 blue subpixels; 1 linear polarizer; 2 first transparency carriers; 3 first dye solution crystal layers; 4 second transparency carriers; 5 second dye solution crystal layers; 6 the 3rd transparency carriers; 7 the 3rd dye solution crystal layers; 8 the 4th transparency carriers; 9 first planar orientation layers; 10 second planar orientation layers; 11 the 3rd planar orientation layers; 12 Siping City's planar orientation layers; 13 the 5th planar orientation layers; 14 the 6th planar orientation layers.
Embodiment
Referring to Fig. 2, automatically controlled color filter liquid crystal light valve has four layers of transparency carrier from top to bottom in the present embodiment, is respectively first transparency carrier 2, second transparency carrier 4, the 3rd transparency carrier 6 and the 4th transparency carrier 8, and linear polarizer 1 is positioned at the top layer; Has the 3rd liquid crystal layer 7 having between first transparency carrier 2 and second transparency carrier 4 to have between second liquid crystal layer, 5, the three transparency carriers 6 and the 4th transparency carrier 8 between first liquid crystal layer, 3, the second transparency carriers 4 and the 3rd transparency carrier 6; The first planar orientation layer 9 between first liquid crystal layer 3 and first transparency carrier 2 is set respectively; The second planar orientation layer 10 between first liquid crystal layer 3 and second transparency carrier 4; The 3rd planar orientation layer 11 between second liquid crystal layer 5 and second transparency carrier 4; Siping City's planar orientation layer 12 between second liquid crystal layer 5 and the 3rd transparency carrier 6; The 5th planar orientation layer 13 between the 3rd liquid crystal layer 7 and the 3rd transparency carrier 6; The 6th planar orientation layer 14 between the 3rd liquid crystal layer 7 and the 4th transparency carrier 8; Wherein, the first planar orientation layer 9 and the second planar orientation layer 10 are antiparallel planar orientation layer; The 3rd planar orientation layer 11 and Siping City's planar orientation layer 12 are antiparallel planar orientation layer; The 5th planar orientation layer 13 and the 6th planar orientation layer 14 are antiparallel planar orientation layer.In concrete the making, antiparallel planar orientation layer is to adopt the opposite technology of frictional direction.
In the present embodiment, first liquid crystal layer 3 is for containing the liquid crystal that absorbs the red wavelength dichroic dye, and second liquid crystal layer 5 is for containing the liquid crystal that absorbs the green wavelength dichroic dye, and the 3rd liquid crystal layer 7 is for containing the liquid crystal that absorbs the blue wavelength dichroic dye.
Fig. 3 a, Fig. 3 b, Fig. 3 c and Fig. 3 d are depicted as the working mechanism of automatically controlled color filter liquid crystal light valve in the present embodiment; Utilize the guest-host effect of liquid crystal material; To have anisotropic dichroic dye as " guest " body to absorption of visible light at molecular long axis direction and short-axis direction, be dissolved in the liquid crystal of conduct " master " body of particular arrangement, the orientation rotation that under electric field action, takes place by means of liquid crystal molecule; Drive and generally be bar-shaped dichroic dye molecular orientation; Force the dye molecule major axis parallel or vertical, its absorptance is changed, so just can control the selectivity absorption of dyestuff through automatically controlled mode to visible light with light vector.
Among Fig. 3 a; Making alive not between two transparency carriers; Do not have effect of electric field, this moment, the orientation of liquid crystal molecule and dichroic dye molecule was arranged according to the oriented layer between transparency carrier, and liquid crystal molecule is parallel with light vector with the major axis of dichroic dye molecule; Light is absorbed, and the absorption spectrum synoptic diagram is shown in Fig. 3 c;
Among Fig. 3 b between two transparency carriers making alive, through effect of electric field, make that the major axis of liquid crystal molecule is vertical with light vector, according to guest-host effect, the major axis of dichroic dye molecule is also vertical with light vector, light transmission, the absorption spectrum synoptic diagram is shown in Fig. 3 d.
The automatically controlled color filter liquid crystal light valve of liquid crystal cell stack preparation with three different dichroic dyes of dissolving (like the red, green, blue three primary colours); Through circuit control liquid crystal light valve; Make its two-layer liquid crystal display be in absorbing state, one deck liquid crystal is in transmission state, thereby realizes colored the demonstration.As to show blue image, through control circuit, make redness, green liquid crystal screen be in absorbing state; And the blue liquid crystal screen is in transmission state, and so full spectrum video screen sends light, through absorption red, the green liquid crystal screen; Only stay blue portion, show blue image.
Fig. 4 is to be the principle schematic of example to see through blue light, and this figure does not power up between first transparency carrier 2 and second transparency carrier 4, second transparency carrier 4 and the 3rd transparency carrier 6; Between the 3rd transparency carrier 6 and the 4th transparency carrier 8, power up.Linear polarizer 1 is crossed in natural light transmission with three kinds of primary colours of red, green, blue, and through the first dye solution crystal layer 3, redness is absorbed; Through the second dye solution crystal layer 5, green is absorbed; Through the 3rd dye solution crystal layer 7, blueness sees through.
Fig. 5 is first, second and the 3rd abosrption spectrogram according to the embodiment of the utility model, and Fig. 5 a can know that by figure its centre wavelength is positioned at about 450nm for absorbing the long spectrogram of blue wave-wave; Fig. 5 b can know that by figure its centre wavelength is positioned at about 550nm for absorbing the long spectrogram of green wave-wave; Fig. 5 c can know that by figure its centre wavelength is positioned at about 650nm for absorbing the long spectrogram of red wave-wave.
The chromatic color filter that the utility model instead is traditional is applied to colored the demonstration.
Claims (5)
1. automatically controlled color filter liquid crystal light valve; It is characterized in that being the sandwich shape by four layers of transparency carrier is provided with three layers of liquid crystal layer, comprise being first transparency carrier (2), the first dye solution crystal layer (3), second transparency carrier (4), the second dye solution crystal layer (5), the 3rd transparency carrier (6), the 3rd dye solution crystal layer (7) and the 4th transparency carrier (8) in order from top to bottom; The said first dye solution crystal layer (3), the second dye solution crystal layer (5) and the 3rd dye solution crystal layer (7) are the nematic liquid crystal layers that contains different dichroic dyes, can absorb three kinds of different wavelengths of light of red, green, blue respectively.
2. according to the said automatically controlled color filter liquid crystal light valve of claim 1; It is characterized in that said first transparency carrier (2) and the 4th transparency carrier (8) simultaneously are being coated with transparency conducting layer near liquid crystal layer, the two-sided transparency conducting layer that all is coated with of second transparency carrier (4) and the 3rd transparency carrier (6).
3. according to the said automatically controlled color filter liquid crystal light valve of claim 1; It is characterized in that between first transparency carrier (2) and the first dye solution crystal layer (3); Between the first dye solution crystal layer (3) and second transparency carrier (4); Between second transparency carrier (4) and the second dye solution crystal layer (5), between the second dye solution crystal layer (5) and the 3rd transparency carrier (6), between the 3rd transparency carrier (6) and the 3rd dye solution crystal layer (7); And the 3rd be provided with the planar orientation layer respectively between dye solution crystal layer (7) and the 4th transparency carrier (8), and the direction of each planar orientation layer is consistent.
According to claim 1 with require 3 said automatically controlled color filter liquid crystal light valves, it is characterized in that being arranged on the first planar orientation layer (9) between first transparency carrier (2) and the first dye solution crystal layer (3) and the second planar orientation layer (10) that is arranged between the first dye solution crystal layer (3) and second transparency carrier (4) is an antiparallel planar orientation layer; Siping City's planar orientation layer (12) that is arranged on the 3rd planar orientation layer (11) between second transparency carrier (4) and the second dye solution crystal layer (5) and is arranged between the second dye solution crystal layer (5) and the 3rd transparency carrier (6) is an antiparallel planar orientation layer; The 6th planar orientation layer (14) that is arranged on the 5th planar orientation layer (13) between the 3rd transparency carrier (6) and the 3rd dye solution crystal layer (7) and is arranged between the 3rd dye solution crystal layer (7) and the 4th transparency carrier (8) is an antiparallel planar orientation layer.
5. according to claim 3 or 4 said automatically controlled color filter liquid crystal light valves, it is characterized in that on said first transparency carrier (2), being provided with linear polarizer (1); The polarization direction of said linear polarizer (1) is consistent with each planar orientation layer direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204122194U CN202275248U (en) | 2011-10-26 | 2011-10-26 | Electric-control colored color filter liquid crystal light valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204122194U CN202275248U (en) | 2011-10-26 | 2011-10-26 | Electric-control colored color filter liquid crystal light valve |
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| CN202275248U true CN202275248U (en) | 2012-06-13 |
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| CN2011204122194U Expired - Fee Related CN202275248U (en) | 2011-10-26 | 2011-10-26 | Electric-control colored color filter liquid crystal light valve |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338954A (en) * | 2011-10-26 | 2012-02-01 | 合肥工业大学 | Electrical control color filter liquid crystal light valve |
| CN103728759A (en) * | 2013-11-28 | 2014-04-16 | 深圳市华星光电技术有限公司 | Color liquid crystal display panel |
| CN103744211A (en) * | 2013-11-28 | 2014-04-23 | 深圳市华星光电技术有限公司 | Color liquid crystal display panel |
| CN106501980A (en) * | 2016-11-24 | 2017-03-15 | 京东方科技集团股份有限公司 | Display floater and preparation method thereof, display device and its driving method |
| US11474398B2 (en) | 2019-05-17 | 2022-10-18 | Innolux Corporation | Electronic devices having multiple alignment layers |
| US11550169B2 (en) | 2015-08-21 | 2023-01-10 | Essilor International | Active optical filter for spectacle lenses |
-
2011
- 2011-10-26 CN CN2011204122194U patent/CN202275248U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338954A (en) * | 2011-10-26 | 2012-02-01 | 合肥工业大学 | Electrical control color filter liquid crystal light valve |
| CN103728759A (en) * | 2013-11-28 | 2014-04-16 | 深圳市华星光电技术有限公司 | Color liquid crystal display panel |
| CN103744211A (en) * | 2013-11-28 | 2014-04-23 | 深圳市华星光电技术有限公司 | Color liquid crystal display panel |
| WO2015078027A1 (en) * | 2013-11-28 | 2015-06-04 | 深圳市华星光电技术有限公司 | Color liquid crystal display panel |
| WO2015078026A1 (en) * | 2013-11-28 | 2015-06-04 | 深圳市华星光电技术有限公司 | Color liquid crystal display panel |
| US20150192828A1 (en) * | 2013-11-28 | 2015-07-09 | Shenzhen China Star Optoelectronics Technology Co. Ltd. | Color liquid crystal display panel |
| CN103744211B (en) * | 2013-11-28 | 2016-07-06 | 深圳市华星光电技术有限公司 | Color liquid crystal display panel |
| US9395579B2 (en) | 2013-11-28 | 2016-07-19 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Color liquid crystal display panel |
| US9772531B2 (en) | 2013-11-28 | 2017-09-26 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Color liquid crystal display panel |
| US11550169B2 (en) | 2015-08-21 | 2023-01-10 | Essilor International | Active optical filter for spectacle lenses |
| CN106501980A (en) * | 2016-11-24 | 2017-03-15 | 京东方科技集团股份有限公司 | Display floater and preparation method thereof, display device and its driving method |
| US11474398B2 (en) | 2019-05-17 | 2022-10-18 | Innolux Corporation | Electronic devices having multiple alignment layers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120613 Termination date: 20141026 |
|
| EXPY | Termination of patent right or utility model |