CN104597685A - Liquid crystal lens and liquid crystal display device - Google Patents
Liquid crystal lens and liquid crystal display device Download PDFInfo
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- CN104597685A CN104597685A CN201410850620.4A CN201410850620A CN104597685A CN 104597685 A CN104597685 A CN 104597685A CN 201410850620 A CN201410850620 A CN 201410850620A CN 104597685 A CN104597685 A CN 104597685A
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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
- G02F1/29—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 position or the direction of light beams, i.e. deflection
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
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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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
-
- 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
- G02F1/1343—Electrodes
- G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
Abstract
The invention discloses a liquid crystal lens and a liquid crystal display device. The liquid crystal lens comprises a first substrate and a second substrate which are arranged at intervals, wherein a liquid crystal layer is arranged between the first substrate and the second substrate; a first electrode layer is arranged between the first substrate and the liquid crystal layer; a second electrode layer is arranged between the second substrate and the liquid crystal layer; the first electrode layer and the second electrode layer are used for generating electric field so as to enable the liquid crystal layer to generate the lens effect; the first electrode layer comprises a plurality of strip-shaped electrodes which are arranged at intervals; the second electrode layer comprises first areas corresponding to the strip-shaped electrodes arranged in the first electrode layer and second areas except the first areas; the sum of transmissivity of each area and the corresponding strip-shaped electrodes is as same as the transmissivity of the second areas. Through the manner, the liquid crystal lens and the liquid crystal display device can be used for effectively reducing the formation of Moore stripes; the good image display effect is exerted.
Description
Technical field
The present invention relates to field of stereoscopic display, particularly relate to a kind of liquid crystal lens and liquid crystal indicator.
Background technology
Along with the fast development of stereo display technique, bore hole stereo display enjoys market to favor due to the advantage wearing special eyeglasses without the need to beholder and easily watch.
As shown in Figure 1, at present, in order to realize bore hole stereo display, general naked-eye stereoscopic display device 101 is by arranging grating 102 between display panel and beholder 103, in the horizontal direction the pixel cell of display panel is divided into odd column pixel and even column pixels, left eye form stereo-picture is incided the left eye of beholder, the stereoscopically displaying images of right eye form is incided the right eye of people, thus the image providing two width different respectively for the right and left eyes of beholder 103, recycle the parallax of beholder's right and left eyes and form the depth of field, and then produce depth of field phenomenon, beholder is enable to enjoy stereoscopically displaying images.
At present, the problem that the pitch that there is grating due to common grating can not regulate, and make its dirigibility and viewing distance there is the problem of obstacle, then more extensive compared to common grating by the suitable range of application of the liquid crystal lens of electrical voltage point solution grating grid.
As shown in Figure 2, the liquid crystal lens of prior art generally comprises the first substrate 201 and second substrate 202 that are oppositely arranged, liquid crystal layer 203 is set between first substrate 201 and second substrate 202, the first electrode layer 204 is provided with between first substrate 201 and liquid crystal layer 203, the second electrode lay 205 is provided with between second substrate 202 and liquid crystal layer 203, first electrode layer 204 cover by the first alignment film 206, the second electrode lay 205 cover by the second alignment film 207, wherein, first electrode layer 204 is multiple rectangular array strip electrodes 208, and has uniform thickness.
When liquid crystal lens described in light therethrough Fig. 2, because the strip electrode 208 of the first electrode layer 204 has certain difference with the transmissivity in the region not arranging electrode place, and transmissivity presents obviously precipitous in the edge of the first electrode layer 204, obvious boundary line is gone out at display frame upper surface, mutually interfere between this boundary line and array of display panel, cause the generation of moire fringes, as shown in Figure 3, because the generation of moire fringes is by the effect of serious shape shadow stereo display picture, affect the visual effect of beholder, make beholder produce sense of discomfort.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of liquid crystal lens and liquid crystal indicator, effectively can reduce the formation of moire fringes, realize good image display effect.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of liquid crystal lens, comprising: spaced first substrate and second substrate; Liquid crystal layer is provided with between described first substrate and described second substrate, the first electrode layer is provided with between described first substrate and described liquid crystal layer, the second electrode lay is provided with between described second substrate and described liquid crystal layer, described first electrode layer and described the second electrode lay are for generation of electric field, lens effect is produced to make described liquid crystal layer
Described first electrode layer comprises multiple spaced strip electrode, and described the second electrode lay comprises the first area corresponding with the described strip electrode that described first electrode layer is arranged and removes the second area of described first area; Wherein, each described first area is identical with the transmissivity of described second area with the transmissivity sum of corresponding described strip electrode.
Wherein, the transmissivity of the multiple described strip electrode on described first electrode layer is identical.
Wherein, described strip electrode has transmittance grading structure, and each described first area of described the second electrode lay has transmittance grading structure.
Wherein, the surface coverage of described first electrode layer has the first alignment film, and the surface coverage of described the second electrode lay has the second alignment film.
Wherein, the thickness of the multiple described strip electrode on described first electrode layer is identical.
For solving the problems of the technologies described above, another technical solution used in the present invention is: provide a kind of liquid crystal indicator, comprise liquid crystal lens, described liquid crystal lens comprise every arrange first substrate and second substrate; Liquid crystal layer is provided with between described first substrate and described second substrate, the first electrode layer is provided with between described first substrate and described liquid crystal layer, the second electrode lay is provided with between described second substrate and described liquid crystal layer, described first electrode layer and described the second electrode lay are for generation of electric field, lens effect is produced to make described liquid crystal layer
Described first electrode layer comprises multiple spaced strip electrode, and described the second electrode lay comprises the first area corresponding with the described strip electrode that described first electrode layer is arranged and removes the second area of described first area; Wherein, each described first area is identical with the transmissivity of described second area with the transmissivity sum of corresponding described strip electrode.
Wherein, the transmissivity of the multiple described strip electrode on described first electrode layer is identical.
Wherein, described strip electrode has transmittance grading structure, and each described first area of described the second electrode lay has transmittance grading structure.
Wherein, the thickness of the multiple described strip electrode on described first electrode layer is identical.
The invention has the beneficial effects as follows: the situation being different from prior art, the setting of liquid crystal lens of the present invention and the first electrode layer between first substrate and liquid crystal layer comprise multiple spaced strip electrode, and setting comprises the first area corresponding with the strip electrode that the first electrode layer is arranged with the second electrode lay between second substrate and liquid crystal layer and removes the second area of first area; Wherein, each described first area is identical with the transmissivity of described second area with the transmissivity sum of corresponding described strip electrode.Make the overall transmissivity equivalence of liquid crystal lens equal, avoid and occur obviously precipitous in the edge of the strip electrode of the first electrode layer, namely the moire fringes phenomenon that display frame is uneven due to liquid crystal lens transmissivity and mutual interference between the strip electrode of generation causes is overcome, the overall display brightness of picture is even, realizes good image display effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art liquid crystal indicator;
Fig. 2 is the structural representation of prior art liquid crystal lens;
Fig. 3 is the moire fringes schematic diagram of prior art liquid crystal indicator;
Fig. 4 is the structural representation of liquid crystal lens one embodiment of the present invention;
Fig. 5 is the structural representation of another embodiment of liquid crystal lens of the present invention;
Fig. 6 is the structural representation of the another embodiment of liquid crystal lens of the present invention;
Fig. 7 is the structural representation of liquid crystal indicator one embodiment of the present invention.
Embodiment
Consult Fig. 4, Fig. 4 is the structural representation of liquid crystal lens one embodiment of the present invention.The liquid crystal lens of present embodiment comprises spaced first substrate 401 and second substrate 402; Liquid crystal layer 403 is provided with between described first substrate 401 and described second substrate 402, the first electrode layer 404 is provided with between described first substrate 401 and described liquid crystal layer 403, the second electrode lay 405 is provided with between described second substrate 402 and described liquid crystal layer 403, described first electrode layer 404 and described the second electrode lay 405, for generation of electric field, produce lens effect to make described liquid crystal layer.
Consult Fig. 4 further, the first electrode layer 404 comprises multiple spaced strip electrode 408, and described strip electrode comprises multiple nano indium tin metal oxide ITO electrode, in other embodiments, can be also other electrodes, not limit at this.
In one preferred embodiment, described strip electrode 408 is arranged at equal intervals.Wherein, the transmissivity of multiple described strip electrode 408 is all equal, and the thickness of multiple described strip electrode 408 is also all equal.
The second electrode lay 405 comprises the first area 4051 corresponding with the strip electrode that the first electrode layer 404 is arranged, also comprise the second area 4052 removing described first area 4051, because each strip electrode 408 of the first electrode layer 404 is all arranged at interval, corresponding first area 4051 is also that interval is arranged, namely the second electrode lay 405 comprises the first area 4051 with strip electrode 408 equal number, has the second area 4052 that interval region quantity between the first electrode layer 405 strip electrode 408 is identical.
In addition, in order to make the overall transmissivity of liquid crystal lens even, namely ensure that the overall transmissivity of the first electrode layer 404 and the second electrode lay 405 reaches unanimity, each first area 4051 and identical with the transmissivity of second area 4052 with the transmissivity sum of its corresponding strip electrode 408 in present embodiment.
Particularly, when the first electrode layer 404 and the second electrode lay energising, the two produces electric field, liquid crystal molecule in liquid crystal layer 403 deflects under the effect of electric field, when playing lensing, due to first area 4051 and identical with the transmissivity of second area 4052 with the transmissivity sum of its corresponding strip electrode 408, namely the overall transmissivity equivalence of liquid crystal lens is equal, avoid and occur obviously precipitous in the edge of the strip electrode 408 of the first electrode layer 404, namely the moire fringes phenomenon that display frame is uneven due to liquid crystal lens transmissivity and mutual interference between the strip electrode 408 of generation causes is overcome, the overall display brightness of picture is even, effect is better.
In addition, in order to realize the orientation of liquid crystal layer, impelling the deflection of liquid crystal molecule, consulting Fig. 4 further, the surface coverage of the first electrode layer 404 has the first alignment film 406, and the surface coverage of the second electrode lay 405 has the second alignment film 407.
In order to better realize the homogeneity of liquid crystal lens transmittance, in the present embodiment, the material that the strip electrode 408 of the first electrode layer 404 adopts transmissivity and the first alignment film 406 to reach unanimity is made.
In one preferred embodiment, as shown in Figure 5, Fig. 5 is the structural representation of another embodiment of liquid crystal lens of the present invention.
The transmissivity of the strip electrode 508 of the first electrode layer 504 in present embodiment is identical with the transmissivity of the first alignment film 506, and the uniformity effects of liquid crystal lens transmittance can be made better, more effectively could moire fringes phenomenon.
Be different from the situation of prior art, the setting of the liquid crystal lens of present embodiment and the first electrode layer between first substrate and liquid crystal layer comprise multiple spaced strip electrode, and setting comprises the first area corresponding with the strip electrode that the first electrode layer is arranged with the second electrode lay between second substrate and liquid crystal layer and removes the second area of first area; Wherein, each described first area is identical with the transmissivity of described second area with the transmissivity sum of corresponding described strip electrode.Make the overall transmissivity equivalence of liquid crystal lens equal, avoid and occur obviously precipitous in the edge of the strip electrode of the first electrode layer, namely the moire fringes phenomenon that display frame is uneven due to liquid crystal lens transmissivity and mutual interference between the strip electrode of generation causes is overcome, the overall display brightness of picture is even, realizes good image display effect.
In another embodiment, as shown in Figure 6, Fig. 6 is the structural representation of the another embodiment of liquid crystal lens of the present invention.
The liquid crystal lens of present embodiment comprises spaced first substrate 601 and second substrate 602, liquid crystal layer 603 is provided with between described first substrate 601 and described second substrate 602, the first electrode layer 604 is provided with between described first substrate 601 and described liquid crystal layer 603, the second electrode lay 605 is provided with between described second substrate 602 and described liquid crystal layer 603, described first electrode layer 604 and described the second electrode lay 605, for generation of electric field, produce lens effect to make described liquid crystal layer.
First electrode layer 604 comprises multiple spaced strip electrode 608, and described strip electrode 608 comprises multiple two nano indium tin metal oxide ITO electrode, can be also other electrodes in other embodiments, not limit at this.In one preferred embodiment, described strip electrode 608 is arranged at equal intervals.
The second electrode lay 605 comprises the first area 6051 corresponding with the strip electrode 608 that the first electrode layer 604 is arranged and removes the second area 6052 of first area 6051.
In addition, in order to realize the uniform effect of better transmittance, the strip electrode 608 of the first electrode layer 604 has transmittance grading structure, each first area 6051 of corresponding the second electrode lay 605 also has transmittance grading structure, and each first area 6051 is identical with the transmissivity of second area 6052 with the transmissivity sum of corresponding strip electrode 608.
Particularly, as shown in Figure 6, the transmittance of the strip electrode 608 from center to two ends strengthens gradually, accordingly, first area 6051 on the second electrode lay 605 is also dimmed gradually along with the enhancing gradually of the transmittance of strip electrode 608, makes each first area 6051 identical all the time with the transmissivity of second area 6052 with the transmissivity sum of corresponding strip electrode 608.
Be different from the situation of prior art, the setting of the liquid crystal lens of present embodiment and the first electrode layer between first substrate and liquid crystal layer comprise multiple spaced strip electrode, and setting comprises the first area corresponding with the strip electrode that the first electrode layer is arranged with the second electrode lay between second substrate and liquid crystal layer and removes the second area of first area; Wherein, each described first area is identical with the transmissivity of described second area with the transmissivity sum of corresponding described strip electrode.Make the overall transmissivity equivalence of liquid crystal lens equal, avoid and occur obviously precipitous in the edge of the strip electrode of the first electrode layer, namely the moire fringes phenomenon that display frame is uneven due to liquid crystal lens transmissivity and mutual interference between the strip electrode of generation causes is overcome, the overall display brightness of picture is even, realizes good image display effect.
Be different from an embodiment, strip electrode in present embodiment is ensureing under the prerequisite that each first area of the second electrode lay is identical all the time with second area with the transmittance of strip electrode corresponding with it, strip electrode has transmittance grading structure, first area also has transmittance grading structure, no matter be that the individual transmittance in each region of every bar strip electrode or first area no longer needs completely the same like this, the material that can use is also more extensive, further enhances the manufacture dirigibility of liquid crystal lens.
The present invention also provides a kind of liquid crystal indicator, and as shown in Figure 7, Fig. 7 is the structural representation of liquid crystal indicator one embodiment of the present invention.
Liquid crystal indicator in present embodiment comprises display panel 701 and liquid crystal lens 702, display panel 701 has left-eye image and eye image for display, liquid crystal lens 702 is arranged on display panel 701, and left eye corresponding to beholder that the left-eye image and eye image with parallax are led respectively and right eye, wherein, above-mentioned liquid crystal lens is the liquid crystal lens of the arbitrary embodiment of Fig. 4-Fig. 6, specifically refers to the description of Fig. 4-Fig. 6 and related text, does not repeat them here.
The foregoing is only embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a liquid crystal lens, comprising: spaced first substrate and second substrate; Liquid crystal layer is provided with between described first substrate and described second substrate, the first electrode layer is provided with between described first substrate and described liquid crystal layer, the second electrode lay is provided with between described second substrate and described liquid crystal layer, described first electrode layer and described the second electrode lay are for generation of electric field, lens effect is produced to make described liquid crystal layer, it is characterized in that
Described first electrode layer comprises multiple spaced strip electrode, and described the second electrode lay comprises the first area corresponding with the described strip electrode that described first electrode layer is arranged and removes the second area of described first area; Wherein, each described first area is identical with the transmissivity of described second area with the transmissivity sum of corresponding described strip electrode.
2. liquid crystal lens according to claim 1, is characterized in that, the transmissivity of the multiple described strip electrode on described first electrode layer is identical.
3. liquid crystal lens according to claim 1, is characterized in that, described strip electrode has transmittance grading structure, and each described first area of described the second electrode lay has transmittance grading structure.
4. liquid crystal lens according to claim 1, is characterized in that, the surface coverage of described first electrode layer has the first alignment film, and the surface coverage of described the second electrode lay has the second alignment film.
5. liquid crystal lens according to claim 4, the material that the described strip electrode of described first electrode layer adopts transmissivity and described first alignment film to reach unanimity is made.
6. liquid crystal lens according to claim 1, is characterized in that, the thickness of the multiple described strip electrode on described first electrode layer is identical.
7. a liquid crystal indicator, comprises liquid crystal lens, described liquid crystal lens comprise every arrange first substrate and second substrate; Liquid crystal layer is provided with between described first substrate and described second substrate, the first electrode layer is provided with between described first substrate and described liquid crystal layer, the second electrode lay is provided with between described second substrate and described liquid crystal layer, described first electrode layer and described the second electrode lay are for generation of electric field, lens effect is produced to make described liquid crystal layer, it is characterized in that
Described first electrode layer comprises multiple spaced strip electrode, and described the second electrode lay comprises the first area corresponding with the described strip electrode that described first electrode layer is arranged and removes the second area of described first area; Wherein, each described first area is identical with the transmissivity of described second area with the transmissivity sum of corresponding described strip electrode.
8. liquid crystal indicator according to claim 7, is characterized in that, the transmissivity of the multiple described strip electrode on described first electrode layer is identical.
9. according to liquid crystal indicator according to claim 7, it is characterized in that, described strip electrode has transmittance grading structure, and each described first area of described the second electrode lay has transmittance grading structure.
10. according to liquid crystal indicator according to claim 7, it is characterized in that, the thickness of the multiple described strip electrode on described first electrode layer is identical.
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| CN201410850620.4A CN104597685B (en) | 2014-12-30 | 2014-12-30 | Liquid crystal lens and liquid crystal display device |
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| CN201410850620.4A CN104597685B (en) | 2014-12-30 | 2014-12-30 | Liquid crystal lens and liquid crystal display device |
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| CN104597685B CN104597685B (en) | 2018-07-06 |
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| CN105446013A (en) * | 2015-11-27 | 2016-03-30 | 广东未来科技有限公司 | Liquid crystal lens and stereoscopic display device |
| WO2018014681A1 (en) * | 2016-07-18 | 2018-01-25 | 京东方科技集团股份有限公司 | Liquid crystal grating and control method therefor |
| CN110244497A (en) * | 2019-06-19 | 2019-09-17 | 电子科技大学 | A kind of spatial light modulator device of transmission-type tolerance high power laser light |
| CN114967172A (en) * | 2022-06-07 | 2022-08-30 | 深圳市华星光电半导体显示技术有限公司 | Display device and method for manufacturing the same |
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| CN105446013A (en) * | 2015-11-27 | 2016-03-30 | 广东未来科技有限公司 | Liquid crystal lens and stereoscopic display device |
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| CN104597685B (en) | 2018-07-06 |
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Effective date of registration: 20161213 Address after: 518000 Guangdong city of Shenzhen province Nanshan District Guangdong streets high in the three global digital Building Room 806 No. 9 Applicant after: Shenzhen magic eye Technology Co., Ltd. Address before: 518000 Shenzhen, Nanshan District, China Hi Tech in the world, the world's 806 digital building, room three Applicant before: SHENZHEN ESTAR DISPLAYTECH CO., LTD. |
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Effective date of registration: 20201019 Address after: 518000 Fenghua Science and Technology Building, Northeast Side of Baishi Road and Science and Technology South Road Intersection, Yuehai Street High-tech Zone, Nanshan District, Shenzhen City, Guangdong Province, 1311 Patentee after: SHENZHEN WEICHAO INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Nanshan District Guangdong streets high in the three global digital Building Room 806 No. 9 Patentee before: SHENZHEN MAGIC EYE TECHNOLOGY Co.,Ltd. |