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:
Jun. 24, 2014
Filed:
Mar. 06, 2009
Hye-ran Seong, Daejeon, KR;
Chan-hyo Park, Daejeon, KR;
Dong-hyun OH, Daejeon, KR;
Hye-in Shin, Seoul, KR;
Kyung-jun Kim, Daejeon, KR;
Se-jin Shin, Daejeon, KR;
Hye-Ran Seong, Daejeon, KR;
Chan-Hyo Park, Daejeon, KR;
Dong-Hyun Oh, Daejeon, KR;
Hye-In Shin, Seoul, KR;
Kyung-Jun Kim, Daejeon, KR;
Se-Jin Shin, Daejeon, KR;
LG Chem Ltd., Seoul, KR;
Abstract
The present invention relates to a positive photosensitive polyimide composition that includes polyimide, a polyamic acid, and a photoactive compound. An organic insulating layer for organic light-emitting devices (OLED), which includes the positive photosensitive polyimide composition, may control a taper angle and outgassing, and has excellent adhesion in respects to a substrate, water repellent control ability, and storage stability and the like.