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:
Feb. 04, 2025
Filed:
Nov. 13, 2023
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Ki Hyun Kim, Hwaseong-si, KR;
Young Gil Park, Anyang-si, KR;
Jin Suk Lee, Gwangmyeong-si, KR;
Jai Sun Kyoung, Cheonan-si, KR;
Sug Woo Jung, Hwaseong-si, KR;
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/12 (2006.01); H01L 21/02 (2006.01); H10K 59/121 (2023.01); H10K 77/10 (2023.01);
U.S. Cl.
CPC ...
H01L 27/1218 (2013.01); H01L 27/1225 (2013.01); H01L 27/1248 (2013.01);
Abstract
A display device includes: a substrate; a polycrystalline silicon film on the substrate; and a first buffer film between the substrate and the polycrystalline silicon film and having one surface contacting the polycrystalline silicon film and another surface opposite to the one surface, wherein the one surface of the first buffer film has a first root mean square (RMS) roughness range, and the first RMS roughness range is 1.5 nm or less.