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 |
US9065068(B2) |
申请公布日期 |
2015.06.23 |
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;H01L27/32;H01L51/56 |
主分类号 |
H01L51/52 |
代理机构 |
McKenna Long & Aldridge LLP |
代理人 |
McKenna Long & Aldridge LLP |
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 |