Birch, Stewart, Kolasch & Birch, LLP
White organic light emitting device
A white organic light emitting device including an anode and a cathode opposite to each other, a plurality of stacks disposed between the anode and the cathode, each of the stacks including a hole transport layer, a light emitting layer and an electron transport layer, and an n-type charge generation layer and a p-type charge generation layer disposed between different adjacent stacks, wherein the n-type charge generation layer includes a first organic host, and the p-type charge generation layer includes a second organic host having a LUMO energy level smaller than or equal to a LUMO energy level of the first organic host, and an inorganic dopant containing 1% to 20% by volume of a metal.
LG DISPLAY CO., LTD.
H C H C H H H C H H H H C H C H H H H H H H
H01L C09B H01L C09B H01L H01L H01L C09B H01L H01L H01L H01L C09B H01L C09B H01L H01L H01L H01L H01L H01L H01L
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Tae-Il Hye-Seung Young-Kwan Hyung-June Ki-Woog Do-Han
Kum Kang Jung Kim Song Kim