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:
Aug. 09, 2022

Filed:

Sep. 24, 2020
Applicant:

Samsung Display Co., Ltd., Yongin-si, KR;

Inventors:

Hyun Min Cho, Hwaseong-si, KR;

Sang Gab Kim, Seoul, KR;

Tae Sung Kim, Incheon, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/32 (2006.01); H01L 51/56 (2006.01);
U.S. Cl.
CPC ...
H01L 27/3276 (2013.01); H01L 27/3246 (2013.01); H01L 51/56 (2013.01); H01L 2227/323 (2013.01); H01L 2251/308 (2013.01);
Abstract

A display device and a method of the display device are provided. The display device includes a lower metal layer on a substrate, a buffer layer on the lower metal layer, a first semiconductor layer on the buffer layer, a gate insulating layer on the first semiconductor layer, a first gate electrode on the gate insulating layer, an interlayer insulating layer on the first gate electrode, a via layer on the interlayer insulating layer, a pixel electrode on the via layer and electrically connected to the first semiconductor layer, a light emitting layer on the pixel electrode, a common electrode on the light emitting layer, a first contact hole penetrating the buffer layer and the interlayer insulating layer and a second contact hole penetrating the interlayer insulating layer, and a first via hole and a second via hole each penetrating the via layer.


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