Patent assignee · KR · COMPANY

Nessdisplay Co., Ltd.

7Patents
0Active
7Granted
24Portfolio score

Filing activity: Aug 4, 1998 → May 19, 2003

Most-cited patents

PatentTitleAreaCited byStatus
US6337404B1 Diamine hole transport agent and organic electroluminescent device containing same Emerging Cross-Sectional Technologies 18 Expired
US6497969B2 Electroluminescent device having an organic layer including polyimide Emerging Cross-Sectional Technologies 15 Expired
US6379743B1 Process for the preparation of organic electroluminescent device using vapor deposition polymerization Electricity 9 Expired
US6800380B2 Organometallic luminescent materials and organic electroluminescent device containing same Emerging Cross-Sectional Technologies 5 Expired
US6579633B2 Organometallic luminescent materials and organic electroluminescent device containing same Emerging Cross-Sectional Technologies 5 Expired
US6342637B1 Diamine hole transport agent and organic electroluminescent device containing same Emerging Cross-Sectional Technologies 2 Expired
US6821651B2 Red fluorescent material and organic electroluminescent device containing same Emerging Cross-Sectional Technologies 0 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.