Liquid crystal display panel and method for manufacturing the pa

Details Liquid crystal display panel and method for manufacturing the pa Liquid crystal display panel and method for manufacturing the pa

1994-11-17

1997-12-16

Sikes, William L.

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Electrical excitation of liquid crystal

349 42, G02F 11333, G02F 1136

Patent

active

056991347

ABSTRACT:
A liquid crystal display (LCD) panel includes a short-circuit ring formed of aluminum or an aluminum alloy during manufacture. The short-circuit ring is formed along a gate wiring line or a source wiring line. After the panel is inspected for defects, the short-circuit ring is removed. In the LCD manufacturing process, a glass substrate is cut outside the short-circuit ring made of aluminum, and thereafter the short-circuit ring is removed by grinding the short-circuit ring while spraying water having a low resistance on the substrate. The water may include carbon dioxide gas. Low resistance aluminum may be used as the gate wiring line and the short-circuit ring. This aluminum material, which is used as a current supply wiring line, can be subjected to an anodic oxidation process. Thus, it is not necessary to form a film of any metal other than aluminum. This can simplify or reduce the number of fabrication processes. Furthermore, because the aluminum is trimmed off by grinding, it is not clawed during cutting. In this manner, the aluminum short-circuit material is removed without causing short circuits between adjacent wiring lines and without slipping the tooth when scribing a scratch marking line by a scriber.

REFERENCES:
patent: 4807973 (1989-02-01), Kawasaki
patent: 4820650 (1989-04-01), Nagae et al.
patent: 4974375 (1990-12-01), Tada et al.
patent: 5068748 (1991-11-01), Ukai et al.
patent: 5146301 (1992-09-01), Yamamura et al.
patent: 5170235 (1992-12-01), Tanino
patent: 5233448 (1993-08-01), Wu
patent: 5285301 (1994-02-01), Shirahashi et al.
patent: 5313319 (1994-05-01), Salisbury
patent: 5323254 (1994-06-01), Pitt
patent: 5353142 (1994-10-01), Dodd
patent: 5358590 (1994-10-01), Yamanaka
patent: 5373377 (1994-12-01), Ogawa et al.
patent: 5410423 (1995-04-01), Furushima et al.
Patent Abstracts of Japan, vol. 12, No. 499 (P-807), dated 27 Dec. 1988, and JP-A-63 208023 to Alps Electric Co., Ltd. dated 29 Aug. 1988.
Patent Abstracts of Japan, vol. 14, No. 474 (P-1117), dated 16 Oct. 1990, and JP-A-02 190820 to Mitsubishi Electric Corp. dated 26 Jul. 1990.
Patent Abstracts of Japan, vol. 11, No. 164 (P-580), dated 27 May 1987, and JP-A-61 296330 to Citizen Watch Co., Ltd. dated 27 Dec. 1986.

Affiliated with

Also associated with

Rating

Liquid crystal display panel and method for manufacturing the pa does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Liquid crystal display panel and method for manufacturing the pa, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Liquid crystal display panel and method for manufacturing the pa will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-211734