Yongguk Lee

3 Patents

• US126107352026

  Organic Electroluminescence Device and Electronic Apparatus

  IDEMITSU KOSAN CO., Ltd.

  0 cites
• US125818502026

  Organic Electroluminescence Element, Composition, Powder, Electronic Equipment, and Novel Compound

  IDEMITSU KOSAN CO., Ltd.

  0 cites
• US117232662023

  Organic Electroluminescent Element and Electronic Device

  IDEMITSU KOSAN CO., Ltd.

  0 cites