Inventor
HAN KI-JONG
KR3 patents
Patents
3 patentsUS6337404B1Jan 8, 2002
Diamine hole transport agent and organic electroluminescent device containing same
NESSDISPLAY CO LTD29 citations89
US6342637B1Jan 29, 2002
Diamine hole transport agent and organic electroluminescent device containing same
NESSDISPLAY CO LTD4 citations59
US6821651B2Nov 23, 2004
Red fluorescent material and organic electroluminescent device containing same
NESSDISPLAY CO LTD0 citations39