CN102650764A - Friction equipment - Google Patents
Friction equipment Download PDFInfo
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- CN102650764A CN102650764A CN2011103346987A CN201110334698A CN102650764A CN 102650764 A CN102650764 A CN 102650764A CN 2011103346987 A CN2011103346987 A CN 2011103346987A CN 201110334698 A CN201110334698 A CN 201110334698A CN 102650764 A CN102650764 A CN 102650764A
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- Prior art keywords
- substrate
- aging
- friction
- rubbed
- orientated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000758 substrate Substances 0.000 claims abstract description 196
- 239000004744 fabric Substances 0.000 claims abstract description 28
- 230000032683 aging Effects 0.000 claims description 103
- 238000000576 coating method Methods 0.000 claims description 31
- 239000011248 coating agent Substances 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 3
- 229910052793 cadmium Inorganic materials 0.000 claims description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 2
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000004973 liquid crystal related substance Substances 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 8
- 239000000835 fiber Substances 0.000 description 5
- 239000012634 fragment Substances 0.000 description 4
- 239000012528 membrane Substances 0.000 description 3
- 229920001721 polyimide Polymers 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 210000004233 talus Anatomy 0.000 description 1
Images
Landscapes
- Treatment Of Fiber Materials (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses friction equipment, which relates to the field of liquid crystal display manufacturing and is used for reducing chips remaining on a substrate to be rubbed in the manner of orientation in the oriented rubbing process. The friction equipment comprises a friction roller, a machine board and a first aged substrate, wherein friction cloth is attached to the friction roller, and the first aged substrate is arranged on the machine board. The friction equipment also comprises a second aged substrate arranged on the machine board. According to the running direction of the substrate to be rubbed in the manner of orientation, the second aged substrate and the first aged substrate are respectively located at one side of the substrate to be rubbed in the manner of orientation, and moreover, the first aged substrate is adjacent to the substrate to be rubbed in the manner of orientation; straight strip-shaped bulges are formed on the second aged substrate; and the direction of the long axis of each straight strip-shaped bulge is vertical to the running direction of the substrate to be rubbed in the manner of orientation. The embodiment disclosed by the invention is used for manufacturing liquid crystal display panels and liquid crystal displays.
Description
Technical field
The present invention relates to the manufacturing field of LCD, relate in particular to a kind of friction device.
Background technology
In the manufacture process of LCD, array substrate and color membrane substrates are orientated friction respectively.Present orientation friction process mainly adopts a kind of mode of mechanical orientation friction, is specially: be pasted with the friction roller of friction cloth, rolling friction on array base palte that is formed with PI (Polyimide, polyimide) film or color membrane substrates is to accomplish the orientation friction.
Generally before friction roller began the orientation friction, the cloth ageing process can rub.With reference to figure 1, friction device 100 of the prior art comprises: friction roller 11, board 12 and an aging substrate 13 that on this board 12, is provided with; Should be arranged on a side of waiting to be orientated rubbed substrate 20 (array base palte or color membrane substrates) by aging substrate 13.Friction roller 11 rolling friction on aging substrate 13 earlier, so that the fine hair of the chaotic of friction cloth has consistent direction, this process is also referred to as friction cloth ageing process; This friction roller 11 just begins to be orientated friction waiting to be orientated on the rubbed substrate 20 afterwards.
Because the material of friction cloth is generally fiber, silk or cotton, unavoidably some chips can appear between the fine hair of friction cloth; Be formed with rugged dot structure on the rubbed substrate owing to waiting to be orientated again; Make the PI film of waiting to be orientated the rubbed substrate surface coated not on same plane; Thereby cause the chip between the fine hair of friction cloth in the orientation friction process can remain in and wait to be orientated on the rubbed substrate; Even the situation of talus accumulation also possibly occur, and the display effect of residual debris product in the corner of waiting to be orientated the rubbed substrate surface and have difference in height.And utilize the surface of the aging substrate in the friction device that prior art provides is a plane, and this aging substrate can only play the effect of fine hair on the smooth friction cloth, and chip is residual meaningless for reducing.
Summary of the invention
Embodiments of the invention provide a kind of friction device, remain in the chip of waiting to be orientated on the rubbed substrate in order to reduce in the orientation friction process.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of friction device comprises: be pasted with friction roller, the board of friction cloth, and be arranged on the aging substrate of first on this board, also comprise: be arranged on the aging substrate of second on the said board;
According to waiting to be orientated the traffic direction of rubbed substrate, the said second aging substrate and the first aging substrate all are positioned at a side of waiting to be orientated rubbed substrate, and the said first aging substrate and said to wait to be orientated rubbed substrate adjacent;
Be formed with the vertical bar shaped convexity on the said second aging substrate, and the protruding long axis direction of this vertical bar shaped is vertical with the said traffic direction of waiting to be orientated rubbed substrate.
The friction device that the embodiment of the invention provides; On board, set up the second aging substrate; According to waiting to be orientated the traffic direction of rubbed substrate, the second aging substrate and the first aging substrate all are positioned at a side of waiting to be orientated rubbed substrate, and the first aging substrate and said to wait to be orientated rubbed substrate adjacent; Be formed with the vertical bar shaped convexity on the second aging substrate, and the protruding long axis direction of this vertical bar shaped is vertical with the traffic direction of waiting to be orientated rubbed substrate.So; Friction roller needed on the second aging substrate, the first aging substrate, to rub successively, wherein before treating the friction of orientation rubbed substrate; Vertical bar line convexity on the second aging substrate can effectively be removed intervillous fiber fragment and other chips on the friction cloth; The fine hair of the first aging substrate on can smooth friction cloth, thus the friction quality of treating the alignment film rubbing substrate improved, and then can improve the quality of products.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of friction device of providing in the prior art;
The structural representation of a kind of friction device that Fig. 2 provides for the embodiment of the invention;
Fig. 3 is the structural representation of the second aging substrate (or the 4th aging substrate);
Fig. 4 is the structural representation of a kind of first aging substrate (or the 3rd aging substrate);
Fig. 5 is the structural representation of the another first aging substrate (or the 3rd aging substrate);
The structural representation of the another friction device that Fig. 6 provides for the embodiment of the invention;
The structural representation of a friction device again that Fig. 7 provides for the embodiment of the invention.
Reference numeral: 100-friction device; 11-is pasted with the friction roller of friction cloth, 12-board, the 13-substrate that wears out, 20-rubbed substrate to be orientated;
The 200-friction device; 21-is pasted with the friction roller of friction cloth; The 22-board; 23 first aging substrates, 231-first coating, 232-first substrate; The 24-second aging substrate, 241-second coating, 242-second substrate; 25-the 3rd aging substrate, 251-the 3rd coating, 252-the 3rd substrate; 26-the 4th aging substrate, 261-the 4th coating, 262-tetrabasal.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
A kind of friction device 200 that the embodiment of the invention provides, as shown in Figure 2, comprising:
Be pasted with friction roller 21, the board 22 of friction cloth, and be arranged on the aging substrate 23 of first on this board 22, in addition, also comprise: be arranged on the aging substrate 24 of second on the board 22; According to waiting to be orientated the traffic direction of rubbed substrate 20, the second aging substrate 24 all is arranged in a side (Fig. 2 is the left side) of waiting to be orientated rubbed substrate 20 with the first aging substrate 23, and the first aging substrate 23 and to wait to be orientated rubbed substrate 20 adjacent; Be formed with the vertical bar shaped convexity on the second aging substrate 24, and the protruding long axis direction of this vertical bar shaped is vertical with the traffic direction of waiting to be orientated rubbed substrate.
In order clearly to describe vertical bar shaped protruding long axis direction and vertical this relation of traffic direction of waiting to be orientated rubbed substrate; Can be with reference to vertical view shown in Figure 2; The traffic direction of for example waiting to be orientated rubbed substrate is an east-west direction; Then the protruding long axis direction of vertical bar shaped is a North and South direction, like this, the friction roller that is pasted with friction cloth with the process of the second aging substrate friction in; The intervillous chip of friction cloth can stayed on the second aging substrate under the protruding effect of vertical bar shaped, makes the second aging substrate play the effect of intervillous fiber fragment and other chips on effective removal friction cloth.
Structure in the face of the second aging substrate and the first aging substrate details down:
Optional, as shown in Figure 3, the said second aging substrate 24 comprises: second substrate 242 and second coating 241 that on this second substrate 242, forms; At this moment, be formed with the vertical bar shaped convexity on the said second aging substrate and be specially, be formed with the vertical bar shaped convexity on said second coating.Wherein, Fig. 3 (a) is the vertical view of this second aging substrate, and Fig. 3 (b) is the front view of this second aging substrate.
Optional, as shown in Figure 4, the said first aging substrate 23 comprises: first substrate 232 and first coating 231 that on this first substrate 232, forms; Said first coating is a flat shape; Wherein, Fig. 4 (a) is the vertical view of a kind of first aging substrate, and Fig. 4 (b) is the front view of the first aging substrate shown in Fig. 4 (a).Perhaps, as shown in Figure 5, the said first aging substrate 23 comprises: first substrate 232 and first coating 231 that on this first substrate 232, forms; Be formed with the vertical bar shaped convexity on said first coating, and the long axis direction of vertical bar shaped convexity is vertical on the long axis direction of this vertical bar shaped convexity and the said second aging substrate; Wherein, Fig. 5 (a) is the vertical view of the another kind of first aging substrate, and Fig. 5 (b) is the front view of the first aging substrate shown in Fig. 5 (a).No matter be Fig. 4 or aging substrate shown in Figure 5, can play the effect of fine hair on the smooth friction cloth.
In all embodiment of the present invention, concrete, the material of said coating can be tin indium oxide ITO or cadmium; The thickness of said coating can be 500 nanometers.In addition, for Fig. 3, the protruding aging substrate of vertical bar shaped that is formed with shown in Figure 5, preferred, the protruding width of said vertical bar shaped is 10 microns, and the width between the adjacent straight strip bulge also is 10 microns.
The friction device that present embodiment provides; Before friction roller is being treated the friction of orientation rubbed substrate, need on the second aging substrate, the first aging substrate, to rub successively, wherein; Vertical bar line convexity on the second aging substrate can effectively be removed intervillous fiber fragment and other chips on the friction cloth; The fine hair of the first aging substrate on can smooth friction cloth, thus the friction quality of treating the alignment film rubbing substrate improved, and then can improve the quality of products.
Further, as shown in Figure 6, this friction device 200 also comprises: be arranged on the aging substrate 25 of the 3rd on the board 22; According to waiting to be orientated the traffic direction of rubbed substrate, the 3rd aging substrate 25 is arranged in the opposite side (Fig. 6 is the right side) of waiting to be orientated rubbed substrate 20, and the 3rd aging substrate 25 is with to wait to be orientated rubbed substrate 20 adjacent.
Wherein, the structure of the 3rd aging substrate 25 can be with reference to figure 4 and Fig. 5.Optional, as shown in Figure 4, the 3rd aging substrate 25 comprises: the 3rd substrate 252 and the 3rd coating 251, the three coatings 251 that on the 3rd substrate 252, form are flat shape.Perhaps optional; As shown in Figure 5; The 3rd aging substrate 25 comprises: the 3rd substrate 252 and on the 3rd coating 251, the three coatings 251 that form on the 3rd substrate 252, be formed with the vertical bar shaped convexity, and the protruding long axis direction of this vertical bar shaped is parallel with the traffic direction of waiting to be orientated rubbed substrate.
Utilizing friction device shown in Figure 6 to treat the orientation rubbed substrate, to be orientated the process of friction following:
Explanation uses direction signs shown in Figure 6 to describe for ease.For example; Board carries first and waits to be orientated rubbed substrate from the operation of east orientation west; The friction roller 21 that is pasted with friction cloth before first rubbed substrate to be orientated is orientated friction, second aging substrate 24, the first aging substrate 23 that rubs successively earlier, the vertical bar line convexity on the second aging substrate 24 can effectively be removed intervillous fiber fragment and other chips on the friction cloth; The fine hair of the first aging substrate 23 on can smooth friction cloth is accomplished the ageing process of friction cloth on the friction roller 21; Wait to be orientated rubbed substrate to this first and accomplish after the orientation friction, friction roller 21 the 3rd aging substrate 25 that rubs again makes that the fine hair of friction cloth is smooth again on the friction roller; Afterwards, take off first rubbed substrate to be orientated; Board carries second and waits to be orientated rubbed substrate and move from West to East, to accomplish second orientation friction of waiting to be orientated rubbed substrate.So, compared with prior art, reduce the orientation fraction time of waiting to be orientated rubbed substrate, improved work efficiency.
Further, as shown in Figure 7, said friction device 200 also comprises: be arranged on the aging substrate 26 of the 4th on the board; The 4th aging substrate 26 and the 3rd aging substrate 25 all are positioned at the opposite side (right side of Fig. 7) of waiting to be orientated rubbed substrate 20, and the 4th aging substrate 26 is adjacent with the 3rd aging substrate 25.
Comprise with reference to figure 3, the four aging substrates 26: tetrabasal 262 and the 4th coating 261 that on the 4th aging substrate 262, forms; Be formed with the vertical bar shaped convexity on the 4th coating 261; And the protruding long axis direction of this vertical bar shaped is vertical with the traffic direction of waiting to be orientated rubbed substrate 20, that is to say that the long axis direction of vertical bar shaped convexity that wears out on the substrate 24 of the protruding long axis direction and second of vertical bar shaped on the 4th aging substrate 26 is consistent.
Utilizing friction device shown in Figure 7 to treat the process that the orientation rubbed substrate is orientated friction can treat the orientation rubbed substrate to friction device shown in Figure 6 and be orientated the process of friction with reference to above-mentioned; Can play the effect that has improved work efficiency equally; And utilize the 4th aging substrate can before second rubbed substrate to be orientated being orientated friction, remove the chip in the friction cloth on the friction roller; This just makes second friction effect of waiting to be orientated rubbed substrate identical with first friction effect of waiting to be orientated rubbed substrate, helps to improve the quality of products.
The above; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; Can expect easily changing or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of said claim.
Claims (10)
1. a friction device comprises: be pasted with friction roller, the board of friction cloth, and be arranged on the aging substrate of first on this board, it is characterized in that, also comprise: be arranged on the aging substrate of second on the said board;
According to waiting to be orientated the traffic direction of rubbed substrate, the said second aging substrate and the first aging substrate all are positioned at a side of waiting to be orientated rubbed substrate, and the said first aging substrate and said to wait to be orientated rubbed substrate adjacent;
Be formed with the vertical bar shaped convexity on the said second aging substrate, and the protruding long axis direction of this vertical bar shaped is vertical with the said traffic direction of waiting to be orientated rubbed substrate.
2. friction device according to claim 1 is characterized in that, the said second aging substrate comprises: second substrate and second coating that on this second substrate, forms;
Be formed with the vertical bar shaped convexity on the said second aging substrate and be specially,
Be formed with the vertical bar shaped convexity on said second coating.
3. friction device according to claim 1 is characterized in that, the said first aging substrate comprises: first substrate and first coating that on this first substrate, forms; Said first coating is a flat shape.
4. friction device according to claim 1 is characterized in that, the said first aging substrate comprises: first substrate and first coating that on this first substrate, forms; Be formed with the vertical bar shaped convexity on said first coating, and the long axis direction of vertical bar shaped convexity is vertical on the long axis direction of this vertical bar shaped convexity and the said second aging substrate.
5. according to the described friction device of claim 1 claim, it is characterized in that, also comprise: be arranged on the aging substrate of the 3rd on the said board;
According to waiting to be orientated the traffic direction of rubbed substrate, the said the 3rd aging substrate is positioned at the said opposite side of waiting to be orientated rubbed substrate, and the said the 3rd aging substrate and said to wait to be orientated rubbed substrate adjacent.
6. friction device according to claim 5 is characterized in that, the said the 3rd aging substrate comprises: the 3rd substrate and the 3rd coating that on the 3rd substrate, forms; Said the 3rd coating is a flat shape.
7. friction device according to claim 5 is characterized in that, the said the 3rd aging substrate comprises: the 3rd substrate and the 3rd coating that on the 3rd substrate, forms; Be formed with the vertical bar shaped convexity on said the 3rd coating, and the protruding long axis direction of this vertical bar shaped is parallel with the said traffic direction of waiting to be orientated rubbed substrate.
8. friction device according to claim 5 is characterized in that, also comprises: be arranged on the aging substrate of the 4th on the said board;
The said the 4th aging substrate and the said the 3rd aging substrate all are positioned at the said opposite side of waiting to be orientated rubbed substrate, and the said the 4th aging substrate is adjacent with the said the 3rd aging substrate.
9. friction device according to claim 8 is characterized in that, the said the 4th aging substrate comprises: tetrabasal and the 4th coating that on this tetrabasal, forms; Be formed with the vertical bar shaped convexity on said the 4th coating, and the protruding long axis direction of this vertical bar shaped is vertical with the said traffic direction of waiting to be orientated rubbed substrate.
10. according to the described friction device of each claim in the claim 2～9, it is characterized in that the material of said coating is tin indium oxide ITO or cadmium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110334698.7A CN102650764B (en) | 2011-10-28 | 2011-10-28 | Friction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110334698.7A CN102650764B (en) | 2011-10-28 | 2011-10-28 | Friction equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102650764A true CN102650764A (en) | 2012-08-29 |
| CN102650764B CN102650764B (en) | 2014-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110334698.7A Expired - Fee Related CN102650764B (en) | 2011-10-28 | 2011-10-28 | Friction equipment |
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| Country | Link |
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| CN (1) | CN102650764B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102929043A (en) * | 2012-11-09 | 2013-02-13 | 京东方科技集团股份有限公司 | Friction cloth aging device |
| CN104965354A (en) * | 2015-07-28 | 2015-10-07 | 句容骏成电子有限公司 | Aging device for fluffy roller by adoption of friction |
| CN106526980A (en) * | 2016-09-29 | 2017-03-22 | 成都天马微电子有限公司 | Rubbing cloth burn-in base board and manufacturing method thereof |
| CN106932932A (en) * | 2017-05-08 | 2017-07-07 | 京东方科技集团股份有限公司 | A kind of friction cloth aging equipment |
| CN107797340A (en) * | 2017-11-23 | 2018-03-13 | 信利（惠州）智能显示有限公司 | A kind of friction matching mask plate and friction matching method |
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| JPH09203900A (en) * | 1996-01-24 | 1997-08-05 | Samsung Electron Devices Co Ltd | Oriented film surface treating device and its treatment |
| JP2003295189A (en) * | 2002-03-29 | 2003-10-15 | Matsushita Electric Ind Co Ltd | Device for manufacturing liquid crystal display device |
| US20090059149A1 (en) * | 2007-08-30 | 2009-03-05 | Seiko Epson Corporation | Substrate for liquid crystal device, electro-optic apparatus and electronic equipment |
| CN201429757Y (en) * | 2009-03-18 | 2010-03-24 | 北京京东方光电科技有限公司 | Friction device |
| CN101840110A (en) * | 2009-03-20 | 2010-09-22 | 北京京东方光电科技有限公司 | Friction device for liquid crystal display device |
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2011
- 2011-10-28 CN CN201110334698.7A patent/CN102650764B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09203900A (en) * | 1996-01-24 | 1997-08-05 | Samsung Electron Devices Co Ltd | Oriented film surface treating device and its treatment |
| JP2003295189A (en) * | 2002-03-29 | 2003-10-15 | Matsushita Electric Ind Co Ltd | Device for manufacturing liquid crystal display device |
| US20090059149A1 (en) * | 2007-08-30 | 2009-03-05 | Seiko Epson Corporation | Substrate for liquid crystal device, electro-optic apparatus and electronic equipment |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102929043A (en) * | 2012-11-09 | 2013-02-13 | 京东方科技集团股份有限公司 | Friction cloth aging device |
| CN102929043B (en) * | 2012-11-09 | 2015-02-18 | 京东方科技集团股份有限公司 | Friction cloth aging device |
| CN104965354A (en) * | 2015-07-28 | 2015-10-07 | 句容骏成电子有限公司 | Aging device for fluffy roller by adoption of friction |
| CN104965354B (en) * | 2015-07-28 | 2018-02-02 | 句容骏成电子有限公司 | One kind friction piled roller aging equipment |
| CN106526980A (en) * | 2016-09-29 | 2017-03-22 | 成都天马微电子有限公司 | Rubbing cloth burn-in base board and manufacturing method thereof |
| CN106932932A (en) * | 2017-05-08 | 2017-07-07 | 京东方科技集团股份有限公司 | A kind of friction cloth aging equipment |
| CN106932932B (en) * | 2017-05-08 | 2019-12-13 | 京东方科技集团股份有限公司 | Friction cloth aging device |
| CN107797340A (en) * | 2017-11-23 | 2018-03-13 | 信利（惠州）智能显示有限公司 | A kind of friction matching mask plate and friction matching method |
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| Publication number | Publication date |
|---|---|
| CN102650764B (en) | 2014-09-03 |
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Owner name: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY Effective date: 20141201 Owner name: JINGDONGFANG SCIENCE AND TECHNOLOGY GROUP CO., LTD Free format text: FORMER OWNER: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20141201 |
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Effective date of registration: 20141201 Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE TECHNOLOGY GROUP Co.,Ltd. Patentee after: BEIJING BOE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Address before: 100176 Beijing economic and Technological Development Zone, West Central Road, No. 8 Patentee before: BEIJING BOE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20140903 |
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