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:
Oct. 02, 2012
Filed:
Jun. 29, 2011
Seon MI Yoon, Yongin-si, KR;
Hyeon Jin Shin, Suwon-si, KR;
Jae Young Choi, Suwon-si, KR;
Seong Jae Choi, Seoul, KR;
Bum Jae Lee, Daejeon, KR;
Ungyu Paik, Seoul, KR;
Sangkyu Lee, Seoul, KR;
Jung Hwan Lee, Gyeongsangbuk-do, KR;
Seon Mi Yoon, Yongin-si, KR;
Hyeon Jin Shin, Suwon-si, KR;
Jae Young Choi, Suwon-si, KR;
Seong Jae Choi, Seoul, KR;
Bum Jae Lee, Daejeon, KR;
Ungyu Paik, Seoul, KR;
Sangkyu Lee, Seoul, KR;
Jung Hwan Lee, Gyeongsangbuk-do, KR;
Abstract
Disclosed is a dispersant having a multifunctional head, and a phosphor paste composition comprising the dispersant. The dispersant has a multifunctional head that comprises an acidic group, a basic group and an aromatic group, thereby enhancing an affinity for the surface of phosphor particles and improving dispersibility.