公开(公告)号：US20230217812A1

公开(公告)日：2023-07-06

申请号：US18145464

申请日：2022-12-22

申请人： Samsung Display Co., Ltd. ,  Merck Patent GmbH

发明人： Mikyung Kim ,  Elvira Montenegro ,  Jens Engelhart ,  Christian Eickhoff ,  Suhwan Na ,  Hyerim Kim ,  Jihyun Seo ,  Hyunsu Shin ,  Hanbyul Jang

IPC分类号： H10K85/60 ,  H10K50/15

CPC分类号： H10K85/633 ,  H10K50/156 ,  H10K85/6574 ,  H10K2101/10

摘要： The present invention relates to a light-emitting device and an electronic apparatus including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode and including an emission layer, wherein: the interlayer may further include a hole transport region between the emission layer and the first electrode, the hole transport region may include a first layer and a second layer, the second layer being between the first layer and the emission layer, the first layer may include a first amine-based compound, the second layer may include a second amine-based compound, and the first amine-based compound and the second amine-based compound may be different from each other.

公开(公告)号：US20230354632A1

公开(公告)日：2023-11-02

申请号：US18309448

申请日：2023-04-28

申请人： Samsung Display Co., Ltd.

发明人： Hyerim Kim ,  Mikyung Kim ,  Jihyun Seo ,  Hyunsu Shin ,  Hanbyul Jang

IPC分类号： H10K50/12 ,  H10K85/30 ,  H10K85/10

CPC分类号： H10K50/12 ,  H10K85/342 ,  H10K85/346 ,  H10K85/111 ,  H10K2101/30

摘要： Provided is a light-emitting device including: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a first compound, a second compound, a third compound, a first organometallic compound, and a second organometallic compound. The first compound to the third compound, the first organometallic compound, and the second organometallic compound are respectively as described in the present specification.

公开(公告)号：US20210305531A1

公开(公告)日：2021-09-30

申请号：US17213782

申请日：2021-03-26

申请人： SAMSUNG DISPLAY CO., LTD.

发明人： Mikyung KIM ,  Jaehyun Lee ,  Jiwon Kwak ,  Hyerim Kim ,  Jihyun Seo ,  Kwanhee Lee ,  Hanbyul Jang

IPC分类号： H01L51/50 ,  H01L51/00

摘要： A light-emitting device includes: a first electrode; a second electrode opposing the first electrode; and an interlayer between the first electrode and the second electrode, wherein the interlayer includes an emission layer, a first emission auxiliary layer, a second emission auxiliary layer, and a hole transport region, the hole transport region is disposed between the first electrode and the emission layer, the first emission auxiliary layer and the second emission auxiliary layer are disposed between the emission layer and the hole transport region, the first emission auxiliary layer includes a first compound, the second emission auxiliary layer includes a second compound, the hole transport region includes a hole transport compound, and the first compound and the hole transport compound satisfy the Equation 1, as defined herein.

公开(公告)号：US11158831B2

公开(公告)日：2021-10-26

申请号：US16560272

申请日：2019-09-04

申请人： Samsung Display Co., Ltd.

发明人： Jaehyun Lee ,  Mikyung Kim ,  Seunggak Yang ,  Jiwon Kwak ,  Namwoo Kim ,  Byounghee Park ,  Hanbyul Jang

IPC分类号： H01L51/52 ,  H01L51/50

摘要： An organic light-emitting device is provided. The organic light-emitting device includes: an anode; a cathode; and an organic layer between the anode and the cathode and including an emission layer, wherein the emission layer includes a first emission layer including a first host, a second host, and a first dopant, and a second emission layer including a third host, a fourth host, and a second dopant, and the organic light-emitting device satisfies Equations 1 and 2.