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:
Feb. 14, 2017

Filed:

May. 22, 2015
Applicant:

Samsung Display Co., Ltd., Yongin, Gyeonggi-Do, KR;

Inventors:

Seung Wook Chang, Suwon-si, KR;

Young Hee Lee, Hwaseong-si, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Yongin, Gyeonggi-Do, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/20 (2006.01); H01L 33/00 (2010.01); H01L 27/32 (2006.01); H01L 51/50 (2006.01); H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
H01L 27/3211 (2013.01); H01L 51/50 (2013.01); H01L 51/5084 (2013.01); H01L 51/5265 (2013.01);
Abstract

A light emitting device, including a first electrode; a hole transport area on the first electrode; a first light emitting layer on the hole transport area, the first light emitting layer emitting a first color, and having a first thickness; a second light emitting layer adjacent to one side of the first light emitting layer, the second light emitting layer emitting a second color, and having a second thickness; a first shadow layer on the first light emitting layer, the first shadow layer including a same material as the second light emitting layer, and first shadow layer having a thickness corresponding to about 1% of the second thickness; an electron transport area on the first light emitting layer, the second light emitting layer, and the first shadow layer; and a second electrode on the hole transport area.


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