发明名称 |
ORGANIC LIGHT EMITTING DISPLAY DEVICE |
摘要 |
Disclosed is an organic light emitting display (OLED) device that may include first and second electrodes facing each other on a substrate, at least two light emitting units between the first and second electrodes, and a charge generation layer between the at least two light emitting units, the charge generation layer including an N-type charge generation layer and a P-type charge generation layer, wherein the N-type charge generation layer includes at least two hosts and a dopant, and wherein the at least two hosts have different lowest unoccupied molecular orbital (LUMO) energy levels. |
申请公布号 |
US2015090984(A1) |
申请公布日期 |
2015.04.02 |
申请号 |
US201414496287 |
申请日期 |
2014.09.25 |
申请人 |
LG Display Co., Ltd. |
发明人 |
KANG Hye-Seung;KUM Tae-Il;JUNG Young-Kwan;KIM Hyung-June;PARK Jung-Soo |
分类号 |
H01L51/52;H01L51/50;H01L51/56;H01L27/32 |
主分类号 |
H01L51/52 |
代理机构 |
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代理人 |
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主权项 |
1. An organic light emitting display (OLED) device comprising:
first and second electrodes facing each other on a substrate; at least two light emitting units between the first and second electrodes; and a charge generation layer between the at least two light emitting units, the charge generation layer including an N-type charge generation layer and a P-type charge generation layer, wherein the N-type charge generation layer comprises at least two hosts and a dopant, and wherein the at least two hosts have different lowest unoccupied molecular orbital (LUMO) energy levels. |
地址 |
Seoul KR |