ORGANIC COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME
申请人:YEN FENG-WEN
公开号:US20210104679A1
公开(公告)日:2021-04-08
An organic compound is described. An organic electroluminescence device comprises the organic compound as a host or a hole blocking layer. The organic compound of the following formula may lower a driving voltage or increases a current efficiency or a half-life of the organic electroluminescence device.
The same definition as described in the present invention.
COMPOUND INCLUDING NITROGEN EMITTING DEVICE INCLUDING THE SAME
申请人:Samsung Display Co., Ltd.
公开号:US20220310934A1
公开(公告)日:2022-09-29
A light emitting device includes: a first electrode; a second electrode facing the first electrode; and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one of the organic layers includes a compound including a nitrogen moiety, and the compound is of Formula 1 below:
wherein, in Formula 1, the variables are defined herein.
ORGANIC ELECTROLUMINESCENCE DEVICE AND MONOAMINE COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE
申请人:Samsung Display Co., Ltd.
公开号:US20210126198A1
公开(公告)日:2021-04-29
An organic electroluminescence device includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, wherein the hole transport region includes a monoamine compound represented by Formula 1, thereby providing high emission efficiency: