Birch, Stewart, Kolasch & Birch, LLP
Organic light emitting display device
An organic light emitting display device is discussed. The organic light emitting display device can include at least two or more light emitting parts each including a light emitting layer and an electron transport layer; and a charge generation layer between the two or more light emitting parts and including an N-type charge generation layer, wherein the electron transport layer includes an electron transport compound including a functional group with high electron mobility, and the N-type charge generation layer includes a charge generation compound including a functional group for matching the energy level of the electron transport compound.
LG DISPLAY CO., LTD.
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Dohan Byungsoo Sunghoon Seunghee Hanbyeol Jungkeun Hyoseok Eunjung Seonkeun
Kim Kim Joo Yoon Seok Kim Kim Park Yoo