Inventor · Seoul, KR

Young Rag Do

71Patents
13h-index
62Co-inventors
87Inventor score

Filing activity: Feb 8, 1995 → Dec 27, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US9112112B2 Subminiature led element and manufacturing method thereof Electricity 124 Active
US9773761B2 Ultra-small LED electrode assembly and method for manufacturing same Emerging Cross-Sectional Technologies 94 Active
US6787796B2 Organic electroluminescent display device and method of manufacturing the same Electricity 78 Expired
US9570425B2 Display comprising ultra-small LEDs and method for manufacturing same Electricity 56 Active
US10145518B2 Nano-scale light-emitting diode (LED) electrode assembly emitting polarized light, method of manufacturing the same, and polarized LED lamp having the same Electricity 36 Active
US7585573B2 Ir compound and organic electroluminescent device using the same Emerging Cross-Sectional Technologies 34 Active
US5608554A LCD having a phosphor layer and a backlight source with a main emitting peak in the region of 380-420nm Electricity 28 Expired
US5957560A Light shutter projector with a fluorescent screen Physics 23 Expired
US7084565B2 Assembly of organic electroluminescence display device Electricity 22 Expired
US5998918A Phosphor screen for a flickerless cathode ray tube and a process for preparing the same Electricity 21 Expired
US9978725B2 LED lamp using ultra-small LED electrode assembly Emerging Cross-Sectional Technologies 19 Active
US6627322B2 Functional film having optical and electrical properties Emerging Cross-Sectional Technologies 15 Expired
US9059114B2 Full-color LED display device and manufacturing method thereof Electricity 14 Active
US7589461B2 Organic electroluminescent display device having a photonic crystal layer provided over electroluminescent stack Electricity 12 Active
US8536781B2 Black organic light-emitting diode device Electricity 9 Active
US10497680B2 Nanoscale LED electrode assembly having improved electrical contact and manufacturing method thereof Electricity 9 Active
US7176621B2 Thin film electroluminescence display device and method of manufacturing the same Electricity 8 Expired
US9935241B2 Solvent for manufacture of self-assembled nano-scale LED electrode assembly and method for manufacturing self-assembled nano-scale LED electrode assembly by the same Electricity 6 Active
US8013514B2 Electroluminescent display device provided with a photonic crystal layer incorporating voids in a vacuum state Electricity 5 Active
US7223482B2 Phosphor for a plasma display device coated with a continuous thin protective layer and method of manufacture Emerging Cross-Sectional Technologies 5 Expired
US10879223B2 Display including nanoscale LED module Physics 4 Active
US7351481B2 Imidazole ring-containing compound and organic electroluminescence display device Emerging Cross-Sectional Technologies 4 Expired
US9024335B2 Multi-package white LED device Electricity 4 Active
US7455563B2 Thin film electroluminescence display device and method of manufacturing the same Electricity 3 Active
US10784246B2 Ultra-small LED electrode assembly and method for preparing same Electricity 3 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.