| 发明名称 |
ORGANIC LIGHT EMITTING DEVICE |
| 摘要 |
An organic light emitting device including a plurality of organic layers between a first electrode and an emitting layer, wherein the organic layer includes an electron blocking layer. In one embodiment, a first organic layer, an electron blocking layer, a second organic layer and an emitting layer are formed on the first electrode. The electron blocking layer has a Lowest Unoccupied Molecular Orbital (LUMO) level which is lower than that of the first organic layer. Thus, the electron blocking layer traps excess electrons injected from the emitting layer, thereby improving lifetime characteristics of the OLED. |
| 申请公布号 |
US2015280162(A1) |
申请公布日期 |
2015.10.01 |
| 申请号 |
US201514732267 |
申请日期 |
2015.06.05 |
| 申请人 |
Samsung Display Co., Ltd. |
发明人 |
Yoon Ji-Hwan;Lee Kwan-Hee;Bae Sung-Jun |
| 分类号 |
H01L51/50;H01L51/52 |
主分类号 |
H01L51/50 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An organic light emitting device (OLED) comprising:
a first electrode; a second electrode; an emitting layer between the first electrode and the second electrode; a hole injection layer between the emitting layer and the first electrode; and an interlayer between the emitting layer and the hole injection layer and having a lowest unoccupied molecular orbital (LUMO) level lower than that of the hole injection layer, wherein the interlayer is directly on the hole injection layer. |
| 地址 |
Yongin-City KR |
