Source: https://patents.google.com/patent/US6821176B2/en
Timestamp: 2020-08-10 06:24:36
Document Index: 296960038

Matched Legal Cases: ['arts 410', 'arts 410', 'arts 410', 'arts 410', 'arts 410', 'arts 410', 'arts 410', 'arts 410', 'arts 410', 'arts 410', 'art.\n11']

US6821176B2 - Apparatus and method for manufacturing liquid crystal display devices, method for using the apparatus, and device produced by the method - Google Patents
US6821176B2
US6821176B2 US10/131,292 US13129202A US6821176B2 US 6821176 B2 US6821176 B2 US 6821176B2 US 13129202 A US13129202 A US 13129202A US 6821176 B2 US6821176 B2 US 6821176B2
US10/131,292
US20030162462A1 (en
2002-02-22 Priority to KRP2002-9614 priority Critical
2002-02-22 Priority to KR20020009614A priority patent/KR100469360B1/en
2002-04-25 Application filed by LG Display Co Ltd filed Critical LG Display Co Ltd
2002-04-25 Assigned to LG.PHILIPS LCD CO., LTD. reassignment LG.PHILIPS LCD CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LEE, SANG SEOK, PARK, SANG HO
2003-08-28 Publication of US20030162462A1 publication Critical patent/US20030162462A1/en
2004-11-23 Publication of US6821176B2 publication Critical patent/US6821176B2/en
2014-09-05 Assigned to AVACO CO., LTD. reassignment AVACO CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LG DISPLAY CO., LTD.
239000000758 substrates Substances 0.000 claims abstract description 341
230000003028 elevating Effects 0.000 claims description 31
An arrangement of the first substrate lifting system 400 may be dependent upon a configuration of the lower stage 122, which is also dependent upon the configuration of the first substrate 510. For example, in FIG. 4, the lower stage 122 supports the first substrate 510 that has a 3×3 matrix array of individual regions. Accordingly, the first support parts 410 a are arranged to contact each of the dummy areas of the first substrate 510 along the loading direction, and the second support parts 410 b are arranged to contact each of the dummy areas of the first substrate 510 along a direction perpendicular to the loading direction, thereby forming a pattern such as a “#”.
The arrangement of the first substrate lifting system 400 may include a first set of three first support parts 410 a contacting three dummy regions of the first substrate 510 that extends along the loading direction, thereby forming a pattern of “≡”. Alternatively, the arrangement of the first substrate lifting system 400 may include a second set of second support parts 410 b contacting three dummy regions of the first substrate 510 that extends along the second direction, thereby forming a pattern such as “|∥”. Moreover, the arrangement of the first substrate lifting system 400 may include a combination of the first set of first support parts 410 a and the second set of second support parts 410 b.
The first substrate 510 may have a configuration in which a single individual region is provided. Accordingly, the arrangement of the first substrate lifting system 400 may include a first set of two first support parts 410 a contacting dummy regions of an outermost perimeter of the first substrate 510 that extends along the loading direction, and second set of two second support parts 410 b contacting dummy regions of an outermost perimeter of the first substrate 510 that extends along the second direction, thereby forming a pattern of “□”.
Third, the second substrate lifting system 600 is moved along the upward direction, the first substrate 510 to be loaded onto the upper surface of the lower stage 122 is placed on the second substrate lifting system 600, the first substrate lifting system 400 continues moving along the upward direction to support the first substrate 510 on the second substrate lifting system 600, and the downward direction movement of the first and second substrate lifting system 400 and 600 are preformed to place the first substrate 510 on the upper surface of the lower stage 122. Accordingly, after supporting the first substrate 510 by the second substrate lifting system 600 and before the unloading process of the first arm 310, the first substrate lifting system 400 moves along the upward direction to support the first substrate 510 together with the second lifting system 600. In addition, after the first substrate 510 is unloaded by the first arm 310 and supported by the second substrate lifting system 600, the first substrate support system 400 moves along the upward direction to support the first substrate 510 together with the second substrate lifting system 600. The process prevents interference between the first and second support parts 410 a and 410 b and the first arm 310 during the loading process of the first substrate 510, as well as avoiding the bending portions of the first support parts 410 a and 410 b.
Fourth, movement along the upward direction of the first substrate lifting system 400 is performed, the first substrate 510 to be loaded onto the upper surface of the lower stage 122 is placed on the first and second substrate lifting systems 400 and 600 moves along the upward direction to support the first substrate 510 together with the first substrate lifting system 400, the first and second substrate lifting system 400 and 600 are simultaneously moved along the downward direction to place the first substrate 510 onto the upper surface of the lower stage 122.
upper and lower stages confronting each other at upper and lower spaces inside the vacuum processing chamber to bond a first and second substrates;
a first substrate lifting system formed in the lower stage for lifting the second substrate.
2. The apparatus according to claim 1, wherein the first substrate lifting system comprising:
a first support part to support the substrate; and
a first receiving part to receive the first support part formed in the lower stage.
3. The apparatus according to claim 2, wherein the at least one first receiving part is formed along a longest side of the lower stage, and the first support part is aligned with the first receiving part.
a first elevating axis provided in the first support part and penetrating the first receiving part from a bottom portion of the lower stage to move the first support part along the up and down direction; and
a first driving part connected to the first elevating axis to operate the first elevating axis to move along the up and down direction.
7. The apparatus according to claim 6, wherein the first elevating axis is coupled with the first support part and the first driving part that moves the first elevating axis are formed at each support part to confront each other at a length of the first support part formed to have a displacement between a central portion and both ends of the first support part to reach a predetermined height.
at least one first receiving part at an upper surface of the lower stage, the first receiving part having one of a concave recess and a penetrating part.
at least one second receiving part arranged at circumferential edges of the lower stage perpendicular to a loading/unloading direction of the substrate to have one of a concave recess and a penetrating part.
11. The apparatus according to claim 10, wherein the second receiving part is formed to have a predetermined length at the circumferential edges of the lower stage corresponding to a portion of the substrate and the second support part is formed to have a length aligned with the second receiving part to lift the substrate.
a second substrate lifting system, one end of the second substrate lifting system received inside the second receiving part to move along the upward direction to a predetermined height from the circumferential edges of the lower stage, and an other end of the second substrate lifting system to move along the upward and downward directions.
13. The apparatus according to claim 12, wherein the second substrate lifting system includes at least one second support part received inside a second receiving part and positioned initially at both sides of the lower stage to support both side bottoms of the substrate.
a second elevating axis to move the second support part along the upward and downward directions, and a second driving part connected to the second elevating axis to operate the second elevating axis along the upward and downward direction.
15. The apparatus according to claim 14, wherein one end of the second support parts and at least one of the second elevating axis is provided between the second support parts.
a loader part driven to load and unload the substrates into and out of the vacuum processing chamber.
placing a substrate on a first substrate lifting system by moving the first substrate lifting system along an upward direction; and
placing the substrate on an upper surface of a lower stage by moving the first substrate lifting system along a downward direction.
23. The method according to claim 22, wherein a contact portion between the first substrate lifting system and the substrate is within a dummy area between cell areas of the substrate when the substrate is placed on the first substrate lifting system.
moving a second substrate lifting system along the upward direction to support the substrate together with the first substrate lifting system,
wherein the substrate is placed on an upper surface of a lower stage by moving the first and second substrate lifting systems along a downward direction.
25. The method according to claim 24, wherein a contact portion between the first and second substrate lifting system and the substrate is within a dummy area between cell areas of the substrate when the substrate is placed upon one of the first and second lifting system.
placing a substrate on one of a first and second substrate lifting system by moving the one of the first and second substrate lifting systems along an upward and direction; and
placing the substrate on an upper surface of a lower stage by moving the one of the first and second substrate lifting systems along a downward direction.
27. The method according to claim 26, wherein a contact portion between the first and second substrate lifting systems and the substrate within a dummy area between cell areas of the substrate when the substrate is placed upon one of the first and second lifting systems.
placing a substrate on a first substrate lifting system by moving the first substrate lifting system along an upward direction;
moving a second substrate lifting system along the upward direction to support the substrate together with the first substrate lifting system; and
placing the substrate on an upper surface of a lower stage by moving the first and second substrate lifting systems along a downward direction.
29. The method according to claim 28, wherein a contact portion between the first and second substrate lifting systems and the substrate is within a dummy area between cell areas of the substrate when the substrate is placed up one of the first and second lifting systems.
US10/131,292 2002-02-22 2002-04-25 Apparatus and method for manufacturing liquid crystal display devices, method for using the apparatus, and device produced by the method Expired - Fee Related US6821176B2 (en)
KRP2002-9614 2002-02-22
KR20020009614A KR100469360B1 (en) 2002-02-22 2002-02-22 bonding device for liquid crystal display and operation method thereof
US10/917,425 US7384322B2 (en) 2002-02-22 2004-08-13 Apparatus and method for manufacturing liquid crystal display devices
US10/917,425 Continuation US7384322B2 (en) 2002-02-22 2004-08-13 Apparatus and method for manufacturing liquid crystal display devices
US20030162462A1 US20030162462A1 (en) 2003-08-28
US6821176B2 true US6821176B2 (en) 2004-11-23
ID=27725814
US10/131,292 Expired - Fee Related US6821176B2 (en) 2002-02-22 2002-04-25 Apparatus and method for manufacturing liquid crystal display devices, method for using the apparatus, and device produced by the method
US10/917,425 Expired - Fee Related US7384322B2 (en) 2002-02-22 2004-08-13 Apparatus and method for manufacturing liquid crystal display devices
US (2) US6821176B2 (en)
JP (1) JP4094355B2 (en)
KR (1) KR100469360B1 (en)
CN (1) CN100429567C (en)
DE (1) DE10227823B4 (en)
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2002-02-22 KR KR20020009614A patent/KR100469360B1/en not_active IP Right Cessation
2002-04-25 US US10/131,292 patent/US6821176B2/en not_active Expired - Fee Related
2002-05-29 CN CNB021210152A patent/CN100429567C/en not_active IP Right Cessation
2002-06-21 DE DE2002127823 patent/DE10227823B4/en not_active Expired - Fee Related
2002-06-27 JP JP2002188557A patent/JP4094355B2/en not_active Expired - Fee Related
2004-08-13 US US10/917,425 patent/US7384322B2/en not_active Expired - Fee Related
KR100469360B1 (en) 2005-02-02
US20050020177A1 (en) 2005-01-27
CN1439913A (en) 2003-09-03
KR20030069685A (en) 2003-08-27
CN100429567C (en) 2008-10-29
JP2003255297A (en) 2003-09-10
DE10227823B4 (en) 2007-11-08
JP4094355B2 (en) 2008-06-04
US7384322B2 (en) 2008-06-10
US20030162462A1 (en) 2003-08-28
DE10227823A1 (en) 2003-09-04
KR100720416B1 (en) 2007-05-22 bonding apparatus for liquid crystal display device
US20030181149A1 (en) 2003-09-25 Grinding table for liquid crystal display panel and grinder apparatus using the same
JP4126593B2 (en) 2008-07-30 Manufacturing method of liquid crystal display device
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LEE, SANG SEOK;PARK, SANG HO;REEL/FRAME:012838/0589
Owner name: AVACO CO., LTD., KOREA, REPUBLIC OF
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:LG DISPLAY CO., LTD.;REEL/FRAME:033674/0750