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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 11985846 B1

PDFFull Text
Date of Patent:
May. 14, 2024

Filed:

Apr. 09, 2021

Display device including stacked capping layers

Applicant:

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

Inventors:

Dal Ho Kim, Seongnam-si, KR;

Hee Seong Jeong, Suwon-si, KR;

Won Ju Kwon, Hwaseong-si, KR;

Sun Hwa Kim, Hwaseong-si, KR;

Hyang Ki Sung, Hwaseong-si, KR;

Na Ri Heo, Hwaseong-si, KR;

Sang Min Hong, Cheonan-si, KR;

Assignee:

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

Attorney:

Lewis Roca Rothgerber Christie LLP

Primary Examiner:

Ida M Soward

Int. Cl.
CPC ...
H10K 50/81 (2023.01); H10K 50/84 (2023.01); H10K 50/844 (2023.01); H10K 50/85 (2023.01); H10K 50/858 (2023.01); H10K 59/12 (2023.01); H10K 59/80 (2023.01); H10K 50/816 (2023.01); H10K 50/818 (2023.01); H10K 59/121 (2023.01); H10K 59/122 (2023.01); H10K 59/131 (2023.01); H10K 77/10 (2023.01); H10K 102/00 (2023.01);
U.S. Cl.
CPC ...
H10K 50/858 (2023.02); H10K 50/844 (2023.02); G09G 2300/0408 (2013.01); H10K 50/816 (2023.02); H10K 50/818 (2023.02); H10K 50/8445 (2023.02); H10K 59/12 (2023.02); H10K 59/1216 (2023.02); H10K 59/122 (2023.02); H10K 59/131 (2023.02); H10K 59/80516 (2023.02); H10K 59/80517 (2023.02); H10K 77/111 (2023.02); H10K 2102/311 (2023.02); H10K 2102/351 (2023.02);
Abstract

A display device includes: a substrate; a display element on the substrate; a capping layer on the display element; and a thin film encapsulation layer on the capping layer, wherein the capping layer includes: a first capping layer on the display element; a second capping layer on the first capping layer, the second capping layer having a refractive index greater than that of the first capping layer; and a third capping layer on the second capping layer, the third capping layer having a refractive index smaller than that of the second capping layer, wherein the second capping layer has a thickness of 30 nanometers (nm) to 60 nm.

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