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