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:
May. 26, 2020
Filed:
Dec. 14, 2017
Lg Display Co., Ltd., Seoul, KR;
KyoungJin Park, Paju-si, KR;
Hanhee Kim, Paju-si, KR;
KiSoub Yang, Paju-si, KR;
HongMyeong Jeon, Goyang-si, KR;
SungGoo Jung, Seoul, KR;
LG DISPLAY CO., LTD., Seoul, KR;
Abstract
An electroluminescent display device which may improve display quality is discussed. The electroluminescent display device includes a substrate in which a plurality of pixel areas are defined, a first electrode arranged in each pixel area, a light emitting layer on the first electrode within the pixel area, and a second electrode on the light emitting layer. Particularly, a step difference portion is arranged at an edge of the pixel area, and is partially or fully be filled with the light emitting layer. Film uniformity of the light emitting layer within the pixel area may be improved by arrangement of the step difference portion.