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:
Jul. 25, 2023

Filed:

Mar. 17, 2020
Applicant:

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

Inventors:

Gwangmin Cha, Hwaseong-si, KR;

Woong Sik Kim, Hwaseong-si, KR;

Jin-Su Byun, Seoul, KR;

Sanghyun Lee, Hwaseong-si, KR;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01); H10K 50/858 (2023.01); H10K 50/85 (2023.01); H10K 59/40 (2023.01); H10K 59/122 (2023.01);
U.S. Cl.
CPC ...
H10K 50/858 (2023.02); H10K 50/85 (2023.02); H10K 59/122 (2023.02); H10K 59/40 (2023.02);
Abstract

A display device may include a first electrode, a pixel defining layer disposed on the first electrode, the pixel defining layer having a pixel opening that exposes the first electrode, an emission layer disposed in the pixel opening and on the first electrode, a second electrode disposed on the emission layer, a first refractive layer disposed on the second electrode and being an organic refractive layer, a second refractive layer disposed on the first refractive layer and being an organic refractive layer, the second refractive layer having a first opening that overlaps the pixel opening, and a third refractive layer disposed on the second refractive layer, the third refractive layer having a second refractive index greater than a first refractive index of the second refractive layer.


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