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.

Date of Patent:
Jan. 17, 2017

Filed:

Dec. 04, 2014
Applicant:

Japan Display Inc., Minato-ku, JP;

Inventors:

Takamitsu Fujimoto, Tokyo, JP;

Tetsuya Iizuka, Tokyo, JP;

Assignee:

Japan Display Inc., Minato-ku, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 27/01 (2006.01); H01L 27/12 (2006.01); G02F 1/1345 (2006.01);
U.S. Cl.
CPC ...
H01L 27/124 (2013.01); G02F 1/1345 (2013.01); H01L 27/1222 (2013.01);
Abstract

According to one embodiment, a wiring substrate includes a pad group of a first pad to supply a power source voltage of low level, a second pad to supply a power source voltage of high level, and a third pad to supply a necessary signal for displaying an image, a common line, a first connection line to connect the first pad with the common line, a second connection line to connect the second pad with the common line, and a third connection line to connect the third pad with the common line, wherein the first connection line and the second connection line are formed of polysilicon in which no impurity is doped, and the third connection line and the common line are formed of polysilicon in which an impurity is doped.


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