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.:

US 9406575 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 02, 2016

Filed:

Jan. 27, 2014
Applicant:

Chunghwa Picture Tubes, Ltd., Taoyuan, TW;

Inventors:

Tzu-Chiang Liao, Taoyuan County, TW;

Chih-Wen Lai, Nantou County, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/66 (2006.01); H01L 27/12 (2006.01);
U.S. Cl.
CPC ...
H01L 22/32 (2013.01); H01L 27/124 (2013.01);
Abstract

A pixel array substrate including a substrate and pixel units arranged in an array on the substrate is provided. Each pixel unit includes a TFT having a source, a gate, and a drain, a pixel electrode electrically connected to the drain, a common electrode, an insulation layer, and a test electrode. The pixel electrode is located between the common electrode and the substrate. The common electrode has slits that expose the pixel electrode. The insulation layer is located between the common electrode and the pixel electrode and has a contact hole exposing the pixel electrode. The test electrode and the common electrode belong to the same film layer, and the test electrode is separated from the common electrode. The contact hole is filled with the test electrode, and the test electrode is electrically connected to the drain. A display panel including the pixel array substrate is also provided.


Find Patent Forward Citations

Liao, Tzu-Chiang. (2016). Pixel array substrate and display panel (U.S. Patent No. 9406575). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9406575

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