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:
Mar. 26, 2024
Filed:
Jun. 07, 2021
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
Jin Ho Park, Goyang-si, KR;
Kyu Il Han, Paju-si, KR;
Chang Hwan Kwak, Seoul, KR;
Dong Hyeok Lim, Paju-si, KR;
Hwa Yong Shin, Goyang-si, KR;
Ji Hyung Lee, Paju-si, KR;
Assignee:
LG DISPLAY CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 59/35 (2023.01); H10K 50/12 (2023.01); H10K 50/18 (2023.01);
U.S. Cl.
CPC ...
H10K 59/353 (2023.02); H10K 50/12 (2023.02); H10K 50/18 (2023.02);
Abstract
Discussed are a light-emitting device and a light-emitting display device having improved efficiency and increased lifespan. A plurality of stacks is provided between an anode and a cathode for at least a subpixel to emit a predetermined color, and emissive layers in different stacks include the same color-based materials having different luminous properties.