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:
Dec. 26, 2023

Filed:

Jan. 11, 2022
Applicant:

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

Inventors:

Joon Woo Bae, Hwaseong-si, KR;

So Young Koo, Yongin-si, KR;

Han Bit Kim, Seoul, KR;

Thanh Tien Nguyen, Seoul, KR;

Kyoung Won Lee, Seoul, KR;

Yong Su Lee, Seoul, KR;

Jae Seob Lee, Seoul, KR;

Gyoo Chul Jo, Suwon-si, KR;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 59/121 (2023.01); H10K 50/844 (2023.01); H10K 59/126 (2023.01); H10K 59/131 (2023.01); H01L 29/786 (2006.01); H01L 27/12 (2006.01);
U.S. Cl.
CPC ...
H10K 59/1213 (2023.02); H10K 50/844 (2023.02); H10K 59/126 (2023.02); H10K 59/1216 (2023.02); H10K 59/131 (2023.02); H01L 27/124 (2013.01); H01L 27/1225 (2013.01); H01L 27/1255 (2013.01); H01L 29/7869 (2013.01); H01L 29/78633 (2013.01); H01L 29/78675 (2013.01);
Abstract

An organic light emitting diode display according to an exemplary embodiment includes: a substrate; a first buffer layer on the substrate; a first semiconductor layer on the first buffer layer; a first gate insulating layer on the first semiconductor layer; a first gate electrode and a blocking layer on the first gate insulating layer; a second buffer layer on the first gate electrode; a second semiconductor layer on the second buffer layer; a second gate insulating layer on the second semiconductor layer; and a second gate electrode on the second gate insulating layer.


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