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. 02, 2014
Filed:
Dec. 30, 2013
Applicants:
Japan Display Inc., Tokyo, JP;
Panasonic Liquid Crystal Display Co., Ltd., Hyogo-ken, JP;
Inventors:
Yoshihiro Kotani, Chiba, JP;
Mitsuru Goto, Chiba, JP;
Assignees:
Panasonic Liquid Crystal Display Co., Ltd., Hyogo-ken, JP;
Japan Display Inc., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); G11C 19/18 (2006.01); G11C 19/28 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3677 (2013.01); G11C 19/184 (2013.01); G11C 19/28 (2013.01);
Abstract
A gate signal line driving circuit and a display device which can suppress the degradation of an element attributed to the use of the element for a long time, and can realize the prolongation of lifetime of the element are provided. With respect to elements to which a HIGH voltage is applied for a long time, a plurality of elements are connected in parallel, and at least some of the plurality of elements are driven by switching elements.