CN201796217U - Liquid crystal grating and three-dimensional display device - Google Patents
Liquid crystal grating and three-dimensional display device Download PDFInfo
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- CN201796217U CN201796217U CN2010202662507U CN201020266250U CN201796217U CN 201796217 U CN201796217 U CN 201796217U CN 2010202662507 U CN2010202662507 U CN 2010202662507U CN 201020266250 U CN201020266250 U CN 201020266250U CN 201796217 U CN201796217 U CN 201796217U
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Abstract
The utility model provides a liquid crystal grating. The liquid crystal grating comprises a first substrate and a second substrate which are arranged opposite to each other, wherein the first substrate comprises a first common electrode and a second common electrode which are in staggered arrangement; the first common electrode extends along a first direction; the second common electrode extends along a second direction; the second substrate comprises a first segment of electrode and a second segment of elector which are in staggered arrangement; the first segment of electrode extends along the first direction; and the second segment of electrode extends along the second direction. The utility model also provides a three-dimensional display device using the liquid crystal grating. The liquid crystal grating and the three-dimensional display device using the same have the advantages of good display effect, high response speed and insusceptibility to short circuiting during the wiring of the electrodes.
Description
Technical field
The utility model relates to a kind of liquid crystal grating, and the 3 d display device of using this liquid crystal grating.
Background technology
People's left eye and right eye have spacing, cause two visual angle to have fine distinction, and the scenery that such difference can allow left eye and right eye observe respectively has displacement slightly, thereby forms stereo-picture in people's brain.
Seeing also Fig. 1, is the electrode cabling synoptic diagram of liquid crystal grating in a kind of prior art 3 d display device.This liquid crystal grating 10 comprises two substrates (not indicating), a public electrode (COM electrode) 11 is set on a substrate, another substrate is provided with three segment electrodes (SEG electrode) 13,15 and 17, and wherein segment electrode 15 is between segment electrode 13 and the segment electrode 17.In addition, be to realize full resolution stereo display, this liquid crystal grating 10 requires grating fringe wire frame difference, and requires to have between the grating fringe width less than 10 microns clearance for insulation.
Because segment electrode 15 is between segment electrode 13 and the segment electrode 15, the cabling that causes segment electrode 15 is more than the line length of walking of the cabling of segment electrode 13 and segment electrode 17, correspondence makes the resistance value of segment electrode 15 want big more than the resistance value of segment electrode 13 and the resistance value of segment electrode 17, cause between each grating fringe response speed different, influence the stereo display effect.
Secondly, this a public electrode 11 is set on a substrate, another substrate is provided with the design of three SEG electrodes 13,15,17, causes between public electrode 11 and the segment electrode 13,15,17 resistance to differ too big and does not match, and influences the response speed of this liquid crystal grating 10.
Also have, because the requirement of full resolution stereo display, require to have width between the grating fringe of this liquid crystal grating 10 less than 10 microns clearance for insulation,, will increase in the manufacturing process itself and segment electrode 13 and segment electrode 17 short risk if the cabling of segment electrode 15 is long.
The utility model content
Problems such as the slow and easy short circuit of electrode cabling of, response speed relatively poor at prior art liquid crystal grating display effect, the utility model provide that a kind of display effect is better, response speed very fast and the electrode cabling is difficult for the liquid crystal grating of short circuit.
The utility model also provides a kind of 3 d display device of this liquid crystal grating of application.
A kind of liquid crystal grating, it comprises first substrate and second substrate, this first substrate and this second substrate are oppositely arranged, this first substrate comprises first public electrode and second public electrode, this first public electrode and this second public electrode are staggered, this first public electrode extends along first direction, this second public electrode is along extending with second direction, this second substrate comprises first segment electrode and second segment electrode, this first segment electrode and this second segment electrode are staggered, this first segment electrode extends along this first direction, and this second segment electrode extends along this second direction.
As the further improvement of this liquid crystal grating, this first public electrode is separated from each other and is scheduled to the insulation spacing, and this second public electrode is arranged between the separately predetermined insulation spacing of this first public electrode.
As the further improvement of this liquid crystal grating, this first segment electrode is separated from each other and is scheduled to the insulation spacing, and this second segment electrode is arranged between the separately predetermined insulation spacing of this first segment electrode.
As the further improvement of this liquid crystal grating, this liquid crystal grating comprises viewing area and non-display area, and this first substrate and this second substrate are bonding by frame adhesive, and this frame adhesive is positioned at this non-display area.
As the further improvement of this liquid crystal grating, this first public electrode is arranged on the outside of this first segment electrode, and this second public electrode is arranged on the outside of this second segment electrode.
As the further improvement of this liquid crystal grating, the point of crossing of this first public electrode and this first segment electrode is positioned at this limit glue frame, and the point of crossing of this second public electrode and this second segment electrode is positioned at this limit glue frame.
As the further improvement of this liquid crystal grating, this first direction is opposite with this second direction.
A kind of 3 d display device, it comprises liquid crystal grating, this liquid crystal grating comprises first substrate and second substrate, this first substrate and this second substrate are oppositely arranged, this first substrate comprises first public electrode and second public electrode, this first public electrode and this second public electrode are staggered, this first public electrode extends along first direction, this second public electrode is along extending with second direction, this second substrate comprises first segment electrode and second segment electrode, this first segment electrode and this second segment electrode are staggered, and this first segment electrode extends along this first direction, and this second segment electrode extends along this second direction.
In the 3 d display device of the present utility model, this first public electrode and this public two electrodes are staggered, this first segment electrode and this second segment electrode are staggered, and the point of crossing of this first public electrode and this first segment electrode is positioned at limit glue frame, the point of crossing of this second public electrode and this second segment electrode is positioned at limit glue frame, has improved product display effect, response speed.
Description of drawings
Fig. 1 is the electrode cabling synoptic diagram of the liquid crystal grating in a kind of prior art 3 d display device.
Fig. 2 is the electrode cabling synoptic diagram of first substrate in the utility model liquid crystal grating one better embodiment.
Fig. 3 is the electrode cabling synoptic diagram of second substrate in the utility model liquid crystal grating one better embodiment.
Fig. 4 is the electrode cabling synoptic diagram after first substrate shown in Figure 2 and the second substrate shown in Figure 3 assembling.
Embodiment
Below in conjunction with accompanying drawing the utility model liquid crystal grating and 3 d display device are described.
See also Fig. 2 to Fig. 4, this liquid crystal grating 20 of the present utility model is applied in (figure does not show) in the 3 d display device, this liquid crystal grating 20 comprises first substrate 21 and second substrate 31, and this first substrate 21 and this second substrate 31 are oppositely arranged, and bonding mutually by frame adhesive 27.
Seeing also Fig. 2, is the electrode cabling synoptic diagram of this first substrate 21.This first substrate 21 is a common electrode substrate, and it comprises first public electrode 211 and second public electrode 213.This first public electrode 211 and this second public electrode 213 are arranged on the same surface of this first substrate 21, and interlaced arrangement.This first public electrode 211 extends and the predetermined insulation spacing that is separated from each other to first direction.This second public electrode 213 is arranged between the separately predetermined insulation spacing of this first public electrode 211, and extends to the second direction opposite with this first direction.
Seeing also Fig. 3, is the electrode cabling synoptic diagram of this second substrate 31.This second substrate 31 is the segment electrode substrate, and it comprises first segment electrode 311 and second segment electrode 313.This first segment electrode 311 and this second segment electrode 313 are arranged on the same surface of this second substrate 31, and interlaced arrangement.This first segment electrode 311 extends and the predetermined insulation spacing that is separated from each other to first direction.
This second segment electrode 313 is arranged between the separately predetermined insulation spacing of this first segment electrode 311, and extends to the second direction opposite with this first direction.This first substrate 21 and this second substrate 31 are made by the optical clear insulating material, for example polymethylmethacrylate (PMMA) and polycarbonate suitable materials such as (PC).
Please consult Fig. 4 again, Fig. 4 is the electrode cabling synoptic diagram after this first substrate 21 and 31 assemblings of this second substrate.This first substrate 21 and this second substrate 31 are bonding by this frame adhesive 27, form this liquid crystal grating 20.This liquid crystal grating 20 comprises viewing area 25 and non-display area (not indicating), and this non-display area is positioned at the edge of this liquid crystal grating 20, and around this viewing area 25.Wherein, this frame adhesive 27 is positioned at this non-display area.This first public electrode 211 is arranged on the outside of this first segment electrode 311, and this second public electrode 213 is arranged on the outside of this second segment electrode 313.This first public electrode 211 is positioned at this limit glue frame 27 with the point of crossing (not indicating) of this first segment electrode 311, and this second public electrode 213 also is positioned at this limit glue frame 27 with the point of crossing (not indicating) of this second segment electrode 313.
Compared with prior art, in the 3 d display device of present embodiment, this first substrate 21 is provided with this first public electrode 211 and this second public electrode 213, this second substrate 31 is provided with this first segment electrode 311 and this second segment electrode 313, this design makes this first public electrode 211 and the resistance of this second public electrode 213 mate, this first segment electrode 311 mates with the resistance of this second segment electrode 313, so the response speed of this liquid crystal grating 20 is better.
Secondly, because the cabling of the cabling of this first public electrode 211 and the cabling total length of this second public electrode 213 and this first segment electrode 311 and the cabling total length of this second segment electrode 313 are more or less the same, the resistance value total value of the resistance value of the resistance value total value of the resistance value of this first public electrode 211 and this second public electrode 213 and this first segment electrode 311 and this second segment electrode 313 also is more or less the same.Therefore, the response speed of this liquid crystal grating 20 and display quality are further enhanced.
In addition, because the segment electrode on this second substrate 31 is this first segment electrode 311 and this second segment electrode 313, so its easy wiring even under the requirement of satisfying full resolution stereo display, is not prone to the cabling problem of short-circuit yet.
In sum, liquid crystal grating 20 of the present utility model and the 3 d display device of using this liquid crystal grating 20 have that display effect is better, response speed very fast and the electrode cabling is difficult for the advantage of short circuit.
Only be preferred case study on implementation of the present utility model below, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. liquid crystal grating, it comprises first substrate and second substrate, this first substrate and this second substrate are oppositely arranged, it is characterized in that: this first substrate comprises first public electrode and second public electrode, this first public electrode and this second public electrode are staggered, this first public electrode extends along first direction, this second public electrode is along extending with second direction, this second substrate comprises first segment electrode and second segment electrode, this first segment electrode and this second segment electrode are staggered, this first segment electrode extends along this first direction, and this second segment electrode extends along this second direction.
2. liquid crystal grating according to claim 1 is characterized in that: this first public electrode is separated from each other and is scheduled to the insulation spacing, and this second public electrode is arranged between the separately predetermined insulation spacing of this first public electrode.
3. liquid crystal grating according to claim 1 is characterized in that: this first segment electrode is separated from each other and is scheduled to the insulation spacing, and this second segment electrode is arranged between the separately predetermined insulation spacing of this first segment electrode.
4. liquid crystal grating according to claim 1 is characterized in that: this liquid crystal grating comprises viewing area and non-display area, and this first substrate and this second substrate are bonding by frame adhesive, and this frame adhesive is positioned at this non-display area.
5. liquid crystal grating according to claim 4 is characterized in that: this first public electrode is arranged on the outside of this first segment electrode, and this second public electrode is arranged on the outside of this second segment electrode.
6. liquid crystal grating according to claim 4 is characterized in that: the point of crossing of this first public electrode and this first segment electrode is positioned at this limit glue frame, and the point of crossing of this second public electrode and this second segment electrode is positioned at this limit glue frame.
7. liquid crystal grating according to claim 1 is characterized in that: this first direction is opposite with this second direction.
8. 3 d display device, it comprises liquid crystal grating, this liquid crystal grating comprises first substrate and second substrate, this first substrate and this second substrate are oppositely arranged, it is characterized in that: this first substrate comprises first public electrode and second public electrode, this first public electrode and this second public electrode are staggered, this first public electrode extends along first direction, this second public electrode is along extending with second direction, this second substrate comprises first segment electrode and second segment electrode, this first segment electrode and this second segment electrode are staggered, and this first segment electrode extends along this first direction, and this second segment electrode extends along this second direction.
9. 3 d display device according to claim 8 is characterized in that: this liquid crystal grating is any described liquid crystal grating of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202662507U CN201796217U (en) | 2010-07-21 | 2010-07-21 | Liquid crystal grating and three-dimensional display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202662507U CN201796217U (en) | 2010-07-21 | 2010-07-21 | Liquid crystal grating and three-dimensional display device |
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| Publication Number | Publication Date |
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| CN201796217U true CN201796217U (en) | 2011-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202662507U Expired - Lifetime CN201796217U (en) | 2010-07-21 | 2010-07-21 | Liquid crystal grating and three-dimensional display device |
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| CN (1) | CN201796217U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102289113A (en) * | 2011-07-20 | 2011-12-21 | 深圳超多维光电子有限公司 | Liquid crystal display device, and manufacture method and driving method of liquid display device |
| CN103135291A (en) * | 2011-12-05 | 2013-06-05 | 上海天马微电子有限公司 | Three dimensional (3D) liquid crystal grating device and 3D liquid crystal display device |
| CN103676362A (en) * | 2013-12-18 | 2014-03-26 | 京东方科技集团股份有限公司 | Liquid crystal optical grating substrate, liquid crystal optical grating and display device |
| CN103941492A (en) * | 2014-03-28 | 2014-07-23 | 京东方科技集团股份有限公司 | Liquid crystal optical grating substrate, liquid crystal optical grating and three-dimensional display device |
-
2010
- 2010-07-21 CN CN2010202662507U patent/CN201796217U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102289113A (en) * | 2011-07-20 | 2011-12-21 | 深圳超多维光电子有限公司 | Liquid crystal display device, and manufacture method and driving method of liquid display device |
| CN103135291A (en) * | 2011-12-05 | 2013-06-05 | 上海天马微电子有限公司 | Three dimensional (3D) liquid crystal grating device and 3D liquid crystal display device |
| CN103135291B (en) * | 2011-12-05 | 2015-09-16 | 上海天马微电子有限公司 | A kind of 3D liquid crystal grating device and 3D liquid crystal indicator |
| CN103676362A (en) * | 2013-12-18 | 2014-03-26 | 京东方科技集团股份有限公司 | Liquid crystal optical grating substrate, liquid crystal optical grating and display device |
| US9606418B2 (en) | 2013-12-18 | 2017-03-28 | Boe Technology Group Co., Ltd. | Liquid crystal grating substrate, liquid crystal grating and display device |
| CN103941492A (en) * | 2014-03-28 | 2014-07-23 | 京东方科技集团股份有限公司 | Liquid crystal optical grating substrate, liquid crystal optical grating and three-dimensional display device |
| US9664914B2 (en) | 2014-03-28 | 2017-05-30 | Boe Technology Group Co., Ltd. | Liquid crystal grating substrate, liquid crystal grating and stereoscopic display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110413 |
|
| CX01 | Expiry of patent term |