Birch, Stewart, Kolasch & Birch, LLP
White organic light emitting diode device
Provided is a white organic light emitting diode device, including first and second electrodes facing each other above a substrate, first and second charge generation layers formed between the first electrode and the second electrode, a first stack disposed between the first electrode and the first charge generation layer and including a first light emitting layer, a second stack disposed between the first charge generation layer and the second charge generation layer and including a second light emitting layer, and a third stack disposed between the second charge generation layer and the second electrode and including a third light emitting layer, wherein two of the first to third light emitting layers emit a blue light and the rest light emitting layer emits a yellow-green light.
LG DISPLAY CO., LTD.
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inventional additional additional inventional additional inventional
Hongseok Sunghoon Jeongdae Shinhan Taeshick Yoonheung Younseok Dohyung Changwook Byungchul Youngkwan Gwijeong
Choi Pieh Seo Kim Kim Tak Kam Kim Han Ahn Jung Cho