The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 16, 2008
Filed:
Feb. 10, 2005
Hideshi Nomura, Togane, JP;
Yasuko Gotoh, Mobara, JP;
Toshiki Kaneko, Chiba, JP;
Kenta Kamoshida, Chiba, JP;
Hideshi Nomura, Togane, JP;
Yasuko Gotoh, Mobara, JP;
Toshiki Kaneko, Chiba, JP;
Kenta Kamoshida, Chiba, JP;
Hitachi Displays Co., Ltd., Mobara-shi, unknown;
Abstract
A display device is provided with a first contact hole formed in a display region and a second contact hole formed in a terminal region, and a first insulating layer and a second insulating layer formed in that order. The taper angle of the first insulating layer at the first contact hole is larger than the taper angle of the first insulating layer at the second contact hole, and the taper angle of the second insulating layer at the first contact hole is larger than the taper angle of the second insulating layer around the second contact hole.