CN205229636U - Liquid crystal lens and stereo display device - Google Patents
Liquid crystal lens and stereo display device Download PDFInfo
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- CN205229636U CN205229636U CN201520999546.2U CN201520999546U CN205229636U CN 205229636 U CN205229636 U CN 205229636U CN 201520999546 U CN201520999546 U CN 201520999546U CN 205229636 U CN205229636 U CN 205229636U
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- liquid crystal
- crystal lens
- drive electrode
- substrate
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Abstract
The utility model provides a liquid crystal lens and stereo display device. This liquid crystal lens array including be provided with NULL first base plate, be provided with a plurality of driving electrode's second base plate, and set up in first base plate with liquid crystal layer between the second base plate, the gapped son of evenly distributed in the liquid crystal layer is worked as when liquid crystal lens array is used for stereoscopic display, NULL with a plurality of array distribution's of formation liquid crystal lens array unit between the driving electrode, wherein NULL is a plurality of, a plurality of the mutual parallel arrangement of NULL, clearance sets up in adjacent two the spaced corresponds the position between the NULL. This liquid crystal lens array sets up the interval position between adjacent two NULL with clearance, when lieing in between two adjacent liquid crystal lens array units promptly for clearance weakens the influence that sees through light, solves clearance that sets up presents bright spot, colour or stain when showing problem among the prior art liquid crystal lens array.
Description
Technical field
The utility model relates to display technique field, refers in particular to a kind of liquid crystal lens and 3 d display device.
Background technology
Liquid crystal lens is applied to bore hole field of stereoscopic display, and it has and controls simple, and the advantages such as the strong and driving voltage of reliability is low, have huge potential application.
The liquid crystal layer that liquid crystal lens generally includes public substrate, signal substrate and is arranged between public substrate and signal substrate, wherein between liquid crystal layer, interval arranges fulcrum ball spacer, i.e. spacer, thick for the box supporting liquid crystal layer.Because the thickness of liquid crystal layer of liquid crystal lens is comparatively large in actual design process, need the spacer using greater particle size.But owing to there is not black matrix structure layer in liquid crystal lens, set spacer does not block, therefore comparatively wide arc gap is sub to display generation optical effect for particle diameter, display presents bright bright spot, colour or stain, causes crosstalk, have a strong impact on viewing effect.
Utility model content
The object of technical solutions of the utility model is to provide a kind of liquid crystal lens and 3 d display device, solves the spacer arranged in prior art liquid crystal lens and presents bright spot, colour or stain when showing, cause the problem of crosstalk.
The utility model provides a kind of liquid crystal lens, comprise the first substrate being provided with public electrode, be provided with the second substrate of multiple drive electrode, and the liquid crystal layer be arranged between described first substrate and described second substrate, spacer is evenly distributed with in described liquid crystal layer, when described liquid crystal lens is used for stereo display, the liquid crystal lens unit of multiple array distribution is formed between described public electrode and described drive electrode, wherein said public electrode is multiple, multiple described public electrode is arranged in parallel, described spacer is arranged at the correspondence position at interval between adjacent two described public electrodes.
Preferably, liquid crystal lens described above, wherein, public electrode described in each is corresponding with the described drive electrode of predetermined quantity respectively to be arranged, when powering up, public electrode described in each and the liquid crystal layer between the described drive electrode of predetermined quantity form a described liquid crystal lens unit.
Preferably, liquid crystal lens described above, wherein, public electrode described in each is corresponding with eight described drive electrodes respectively to be arranged.
Preferably, liquid crystal lens described above, wherein, on the direction perpendicular to described first substrate and described second substrate, the center line of described spacer and the center line at described interval overlap.
Preferably, liquid crystal lens described above, wherein, described drive electrode comprises the edge drive electrode being positioned at described liquid crystal lens cell edges, and described spacer is arranged at the correspondence position of described edge drive electrode.
Preferably, liquid crystal lens described above, wherein, on the direction perpendicular to described first substrate and described second substrate, the center line of described spacer overlaps with the center line of described edge drive electrode.
Preferably, liquid crystal lens described above, wherein, adjacent two described liquid crystal lens units shareds described edge drive electrode.
Preferably, liquid crystal lens described above, wherein, adjacent two described spacers are arranged at the correspondence position of adjacent two the described edge drive electrodes of liquid crystal lens unit respectively.
Preferably, liquid crystal lens described above, wherein, the width of the drive electrode between described edge drive electrode is less than the width of described edge drive electrode.
The utility model also provides a kind of 3 d display device on the other hand, comprises display panel and the liquid crystal lens as above described in any one.
At least one in the utility model specific embodiment technique scheme has following beneficial effect:
Liquid crystal lens described in the utility model and 3 d display device, it is multiple by public electrode is set to, and be parallel to each other, public electrode is made to be formed as strip, the liquid crystal lens unit that liquid crystal between the public electrode of strip and drive electrode is formed under voltage driven, the liquid crystal lens unit that liquid crystal between the public electrode and drive electrode of planar is formed under voltage driven, less at the slope of boundary position, the light refraction light path of liquid crystal lens unit like this through liquid crystal lens unit is more complete, thus weaken crosstalk phenomenon, simultaneously, when further spacer being arranged at the interval location between adjacent two public electrodes, namely time between adjacent two liquid crystal lens unit, the impact of spacer on transmitted light is weakened, solve the spacer arranged in prior art liquid crystal lens and present bright spot when showing, the problem of colour or stain.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of liquid crystal lens described in novel first embodiment of this reality;
Fig. 2 is formed liquid crystal lens cell schematics by employing liquid crystal lens described in the utility model;
Fig. 3 is formed liquid crystal lens cell schematics by adopting prior art liquid crystal lens;
Fig. 4 is the cross section structure schematic diagram of liquid crystal lens described in the utility model second embodiment.
Embodiment
For embodiment of the present utility model will be solved technical matters, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The utility model embodiment provides a kind of liquid crystal lens, comprise the first substrate being provided with public electrode, be provided with the second substrate of multiple drive electrode, and the liquid crystal layer be arranged between described first substrate and described second substrate, spacer is evenly distributed with in described liquid crystal layer, when described liquid crystal lens is used for stereo display, the liquid crystal lens unit of multiple array distribution is formed between described public electrode and described drive electrode, wherein said public electrode is multiple, multiple described public electrode is arranged in parallel, described spacer is arranged at the correspondence position at interval between adjacent two described public electrodes.
The described liquid crystal lens of the utility model said structure, it is multiple by public electrode is set to, and be parallel to each other, public electrode is made to be formed as list structure form, liquid crystal to add under electric drive at the public electrode of strip and drive electrode formed liquid crystal lens unit compared to add under electric drive at the public electrode of planar and drive electrode form liquid crystal lens unit, less at the slope of boundary position, the light refraction light path of liquid crystal lens unit like this through liquid crystal lens unit is more complete, thus weaken crosstalk phenomenon, simultaneously, when further spacer being arranged at the interval location between adjacent two public electrodes, namely time between adjacent two liquid crystal lens unit, the impact of spacer on transmitted light is weakened, solve the spacer arranged in prior art liquid crystal lens and present bright spot when showing, the problem of colour or stain.
Fig. 1 is the cross section structure schematic diagram of liquid crystal lens described in novel first embodiment of this reality.
Consult Fig. 1, in the first embodiment, liquid crystal lens comprises the first substrate 10 and second substrate 20 that are oppositely arranged, is wherein provided with liquid crystal layer 30 between first substrate 10 and second substrate 20.Further, as shown in Figure 1, public electrode 11 and the first both alignment layers (not shown) are formed in the inside surface of first substrate 10 successively, drive electrode 21 and the second both alignment layers (not shown) are formed in the inside surface of second substrate 20 successively, and public electrode 11 is multiple, multiple public electrode 11 is arranged in parallel; Drive electrode 21 is also multiple, arranged in parallel, wherein multiple drive electrodes 21 of predetermined quantity are one group, correspondingly with public electrode 11 to arrange, when applying voltage to drive electrode 21 and public electrode 11, the drive electrode 21 of predetermined quantity deflects under electric field action with the liquid crystal molecule between corresponding public electrode 11, forms a liquid crystal lens unit.Understandable, the liquid crystal molecule between drive electrode 21 and corresponding public electrode 11 deflects under electric field action, forms the liquid crystal lens unit of multiple array arrangement, shows for 3D.
In the present embodiment, as shown in Figure 1, the predetermined quantity of multiple drive electrode 21 is eight, correspondingly with public electrode 11 to arrange, also namely a public electrode 11 and eight drive electrodes 21 are relatively arranged, when powering up, the Formation of liquid crystals liquid crystal lens unit between a public electrode 11 and eight drive electrodes 21.Arrange structure according to usual liquid crystal lens, a public electrode 11 can correspondingly with the drive electrode 21 of other quantity be arranged, and adds electric drive liquid crystal molecule and forms a liquid crystal lens unit, be certainly also not limited only to this.
In addition, in liquid crystal layer 30, be also evenly distributed with spacer 40, for supporting first substrate 10 and second substrate 20.Particularly, in the utility model embodiment, as shown in Figure 1, spacer 40 is positioned at liquid crystal layer 30, and is arranged at the correspondence position at interval between adjacent two public electrodes 11, and namely spacer 40 is arranged between two adjacent liquid crystal lens unit.
Particularly, spacer 40 in liquid crystal layer 30 between adjacent two public electrodes 11 correspondence position at interval, also, the interval of spacer 40 between the projection and adjacent two public electrodes 11 of public electrode 11 place plane overlaps.
When adopting above-mentioned set-up mode to form liquid crystal lens, as shown in Figure 2, the liquid crystal lens unit that liquid crystal between strip public electrode 11 and multiple drive electrode 21 is formed under voltage driven, compared to the liquid crystal lens unit that the liquid crystal between the public electrode of planar shown in Fig. 3 11 and multiple drive electrode 21 is formed under voltage driven, the distribution slope of the electric field line at liquid crystal lens elementary boundary place is less than normal, therefore at the marginal position place of liquid crystal lens unit, the electric field region stopped by spacer 40 is less than normal, when liquid crystal lens is applied to stereo display, when display panel emitted light penetrates liquid crystal lens, the impact that light through liquid crystal lens cell edges place is subject to spacer 40 due to the optimization of lens curvature weakens, so light path can be more complete after the light refraction of liquid crystal lens unit, weaken crosstalk phenomenon during 3D display, spacer 40 is arranged at the interval location between adjacent two public electrodes simultaneously, namely time between adjacent two liquid crystal lens unit, the impact of spacer on transmitted light is weakened, improve spacer and present bright spot, the phenomenon of colour or black, reach the object eliminating spacer visible dots.
In the utility model first embodiment, preferably, on the direction perpendicular to first substrate 10 and second substrate 20, also be on the vertical direction shown in Fig. 1, between the center line of spacer 40 and adjacent two public electrodes 11, the center line at interval overlaps, thus ensure that the setting of spacer 40 can not be partial to the liquid crystal lens unit of either side, ensure that spacer 40 all can not have an impact to the light path of the liquid crystal lens unit of both sides, effective guarantee weakens crosstalk phenomenon during 3D display, improve spacer simultaneously and present bright spot, the phenomenon of colour or black, reach the object eliminating spacer visible dots.
In addition, as shown in Figure 1, liquid crystal between multiple drive electrode 21 and a public electrode 11 forms a liquid crystal lens unit under voltage driven, wherein, the plurality of drive electrode 21 comprises the edge drive electrode 211 being positioned at edge, and the setting position of spacer 40 is corresponding with the position of edge drive electrode 211.Particularly, adjacent two liquid crystal lens units shareds edge drive electrode 211, the setting position of adjacent two spacers 40 is corresponding with the position of adjacent two edge drive electrodes 211 respectively to be arranged, even if also spacer 40 coincides in the projection of drive electrode 21 place plane and an edge drive electrode 211.Preferably, on the direction perpendicular to first substrate 10 and second substrate 20, be also that on vertical direction, the center line of spacer 40 overlaps with the center line of edge drive electrode 211.By this kind of set-up mode, ensure that the liquid crystal molecule between multiple drive electrode 21 and public electrode 11 can form bending liquid crystal lens unit, and the setting of spacer 40 can weaken crosstalk phenomenon when 3D shows, and improves the object that spacer presents the phenomenon of bright spot, colour or black simultaneously.
The utility model also provides the described liquid crystal lens of the second embodiment, and as shown in Figure 4, the second embodiment is identical with the first embodiment, and described liquid crystal lens comprises:
The first substrate 10 be oppositely arranged and second substrate 20, be wherein provided with liquid crystal layer 30 between first substrate 10 and second substrate 20; Public electrode 11 and the first both alignment layers (not shown) are formed in the inside surface of first substrate 10 successively, drive electrode 21 and the second both alignment layers (not shown) are formed in the inside surface of second substrate 20 successively, and public electrode 11 is multiple, multiple public electrode 11 is arranged in parallel; Drive electrode 21 is also multiple, arranged in parallel, wherein multiple drive electrodes 21 of predetermined quantity are one group, correspondingly with public electrode 11 to arrange, when applying voltage to drive electrode 21 and public electrode 11, the drive electrode 21 of predetermined quantity deflects under electric field action with the liquid crystal molecule between corresponding public electrode 11, forms a liquid crystal lens unit.Understandable, the liquid crystal molecule between drive electrode 21 and corresponding public electrode 11 deflects under electric field action, forms the liquid crystal lens unit of multiple array arrangement, shows for 3D.In second embodiment, as shown in Figure 4, multiple drive electrode 21 is corresponding with public electrode 11 to be arranged, and also namely a public electrode 11 is relatively arranged with multiple drive electrode 21, when powering up, the liquid crystal lens unit of the Formation of liquid crystals between a public electrode 11 and multiple drive electrode 21.
Wherein also be evenly distributed with the spacer 40 for supporting first substrate 10 and second substrate 20 in liquid crystal layer 30, spacer 40 is positioned at liquid crystal layer 30, be arranged at the correspondence position at interval between adjacent two public electrodes 11, namely spacer 40 is arranged between two adjacent liquid crystal lens unit; Preferably, on the direction perpendicular to first substrate 10 and second substrate 20, also be on the vertical direction shown in Fig. 4, between the center line of spacer 40 and adjacent two public electrodes 11, the center line at interval overlaps, thus ensure that the setting of spacer 40 can not be partial to the liquid crystal lens unit of either side, ensure that spacer 40 all can not have an impact to the light path of the liquid crystal lens unit of both sides, effective guarantee weakens crosstalk phenomenon during 3D display, improve the phenomenon that spacer presents bright spot, colour or black simultaneously, reach the object eliminating spacer visible dots.
As shown in Figure 4, liquid crystal between multiple drive electrode 21 and a public electrode 11 forms a liquid crystal lens unit under voltage driven, the multiple drive electrodes 21 forming a liquid crystal lens unit comprise the edge drive electrode 211 being positioned at edge, wherein the setting position of spacer 40 is also corresponding with the position of edge drive electrode 211, even if also spacer 40 coincides in the projection of drive electrode 21 place plane and an edge drive electrode 211.Preferably, on the direction perpendicular to first substrate 10 and second substrate 20, be also that on vertical direction, the center line of spacer 40 overlaps with the center line of edge drive electrode 211.By this kind of set-up mode, ensureing that multiple drive electrode 21 coordinates with public electrode 11 enables liquid crystal molecule form bending liquid crystal lens unit, and the setting of spacer can weaken crosstalk phenomenon when 3D shows, and improves the object that spacer presents the phenomenon of bright spot, colour or black simultaneously.
In addition, in the utility model second embodiment, as shown in Figure 4, on the direction being parallel to first substrate 10 and second substrate 20, the width of the drive electrode 21 between adjacent two edge drive electrodes 211 is less than the width of edge drive electrode 211, even if the width being also positioned at the edge drive electrode 211 of liquid crystal lens cell edges is greater than the width of middle drive electrode 21, utilize this kind of set-up mode, under the condition reaching identical lens effect, the driving voltage be applied on edge drive electrode 211 can be relatively low, low-voltage condition makes the electric field curvature of a curve at liquid crystal lens elementary boundary place diminish, therefore the electric field region stopped by spacer 40 in liquid crystal lens elementary boundary position can reduce relatively, like this relative to the first embodiment, when liquid crystal lens is applied to stereo display, when display panel emitted light penetrates liquid crystal lens, the impact that light through liquid crystal lens cell edges place is subject to spacer 40 due to the optimization of lens curvature further weakens, so light path can be more complete after the light refraction of liquid crystal lens unit, weaken crosstalk phenomenon during 3D display, improve spacer simultaneously and present bright spot, the phenomenon of colour or black, reach the object eliminating spacer visible dots further.
Liquid crystal lens described in above-mentioned first embodiment of the utility model and the second embodiment, arranging of spacer is weakened the impact of institute's transmitted light, light refraction light path through liquid crystal lens unit is more complete, thus weaken crosstalk phenomenon, solve the spacer arranged in prior art liquid crystal lens presents bright spot, colour or stain problem when showing.
The utility model specific embodiment on the other hand also provides a kind of 3 d display device, comprises the liquid crystal lens of display panel and as above structure.Those skilled in the art should be able to understand the concrete structure of the 3 d display device with above-mentioned liquid crystal lens, are not described in detail at this.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a liquid crystal lens, comprise the first substrate being provided with public electrode, be provided with the second substrate of multiple drive electrode, and the liquid crystal layer be arranged between described first substrate and described second substrate, spacer is evenly distributed with in described liquid crystal layer, when described liquid crystal lens is used for stereo display, the liquid crystal lens unit of multiple array distribution is formed between described public electrode and described drive electrode, it is characterized in that, described public electrode is multiple, multiple described public electrode is arranged in parallel, described spacer is arranged at the correspondence position at interval between adjacent two described public electrodes.
2. liquid crystal lens as claimed in claim 1, it is characterized in that, public electrode described in each is corresponding with the described drive electrode of predetermined quantity respectively to be arranged, and when powering up, public electrode described in each and the liquid crystal layer between the described drive electrode of predetermined quantity form a described liquid crystal lens unit.
3. liquid crystal lens as claimed in claim 2, is characterized in that, public electrode described in each is corresponding with eight described drive electrodes respectively to be arranged.
4. liquid crystal lens as claimed in claim 1, it is characterized in that, on the direction perpendicular to described first substrate and described second substrate, the center line of described spacer and the center line at described interval overlap.
5. liquid crystal lens as claimed in claim 1, it is characterized in that, described drive electrode comprises the edge drive electrode being positioned at described liquid crystal lens cell edges, and described spacer is arranged at the correspondence position of described edge drive electrode.
6. liquid crystal lens as claimed in claim 5, it is characterized in that, on the direction perpendicular to described first substrate and described second substrate, the center line of described spacer overlaps with the center line of described edge drive electrode.
7. liquid crystal lens as claimed in claim 5, is characterized in that, adjacent two described liquid crystal lens units shareds described edge drive electrode.
8. liquid crystal lens as claimed in claim 7, it is characterized in that, adjacent two described spacers are arranged at the correspondence position of adjacent two the described edge drive electrodes of liquid crystal lens unit respectively.
9. liquid crystal lens as claimed in claim 5, it is characterized in that, the width of the drive electrode between described edge drive electrode is less than the width of described edge drive electrode.
10. a 3 d display device, is characterized in that, comprises display panel and the liquid crystal lens as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520999546.2U CN205229636U (en) | 2015-12-03 | 2015-12-03 | Liquid crystal lens and stereo display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520999546.2U CN205229636U (en) | 2015-12-03 | 2015-12-03 | Liquid crystal lens and stereo display device |
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| CN205229636U true CN205229636U (en) | 2016-05-11 |
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| CN201520999546.2U Active CN205229636U (en) | 2015-12-03 | 2015-12-03 | Liquid crystal lens and stereo display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061956A (en) * | 2018-09-29 | 2018-12-21 | 武汉华星光电技术有限公司 | Display panel, display module and electronic device |
| CN110703368A (en) * | 2019-10-29 | 2020-01-17 | 武汉华星光电技术有限公司 | Lens array, preparation method thereof and display panel |
| CN115826302A (en) * | 2021-09-17 | 2023-03-21 | 京东方科技集团股份有限公司 | Liquid crystal lens and display device with same |
-
2015
- 2015-12-03 CN CN201520999546.2U patent/CN205229636U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061956A (en) * | 2018-09-29 | 2018-12-21 | 武汉华星光电技术有限公司 | Display panel, display module and electronic device |
| CN110703368A (en) * | 2019-10-29 | 2020-01-17 | 武汉华星光电技术有限公司 | Lens array, preparation method thereof and display panel |
| CN115826302A (en) * | 2021-09-17 | 2023-03-21 | 京东方科技集团股份有限公司 | Liquid crystal lens and display device with same |
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| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20180724 Address after: 518054 Room 201, building A, 1 front Bay Road, Shenzhen Qianhai cooperation zone, Shenzhen, Guangdong Patentee after: Shenzhen super Technology Co., Ltd. Address before: 518053 H-1 Tung 101, overseas Chinese town, Nanshan District, Shenzhen, Guangdong. Patentee before: Shenzhen SuperD Photoelectronic Co., Ltd. |