公开(公告)号：US11056662B2

公开(公告)日：2021-07-06

申请号：US15791347

申请日：2017-10-23

申请人： SHANGHAI TIANMA AM-OLED CO., LTD.

发明人： Angran Zhang ,  Hamada Yuji ,  Jinghua Niu ,  Xiangcheng Wang ,  Shuang Cheng ,  Run Yang

IPC分类号： H01L51/50 ,  H01L51/52 ,  G09G3/12 ,  G09G3/3208 ,  H01L27/32 ,  H01L51/00

摘要： The present application discloses an organic light-emitting device and a display device. The organic light-emitting device comprises an anode, a cathode, and a blue light emitting layer, a green light emitting layer and a red light emitting layer between the anode and the cathode, and the blue light emitting layer comprises a blue thermally-activated delayed fluorescent material with a mass percent of 60-80%, the green light emitting layer comprises a green phosphorescent material and/or a green thermally-activated delayed fluorescent material, and the red light emitting layer comprises a red phosphorescent material and/or a red thermally-activated delayed fluorescent material.

公开(公告)号：US10910604B2

公开(公告)日：2021-02-02

申请号：US15912252

申请日：2018-03-05

申请人： Shanghai Tianma AM-OLED Co., Ltd.

发明人： Shuang Cheng ,  Jinghua Niu ,  Xiangcheng Wang ,  Yuji Hamada ,  Angran Zhang ,  Run Yang

IPC分类号： H01L51/56 ,  H01L27/32 ,  H01L51/52 ,  H01L51/50

摘要： The disclosure discloses an organic light-emitting display panel, a method for adjusting color temperature thereof, and a display device, and the organic light-emitting display panel includes: an underlying substrate, and a plurality of light-emitting elements arranged on the underlying substrate; each of the light-emitting elements includes a first electrode, a first light-emitting layer, a second electrode, a second light-emitting layer, and a third electrode arranged on the underlying substrate in that order in a light exit direction of the organic light-emitting display panel, where a wavelength of emitted light from the first light-emitting layer is greater than a wavelength of emitted light from the second light-emitting layer; and the first electrode, the second electrode, and the third electrode are connected respectively with different voltage signal terminals.

公开(公告)号：US10446612B2

公开(公告)日：2019-10-15

申请号：US15802453

申请日：2017-11-03

申请人： SHANGHAI TIANMA AM-OLED CO., LTD.

发明人： Angran Zhang

IPC分类号： H01L29/20 ,  H01L27/32 ,  H01L51/52 ,  H01L51/50

摘要： The present application discloses an organic light-emitting device and a display device. The organic light-emitting device comprises an anode, a cathode, and a first blue light emitting layer, a second blue light emitting layer and a yellow light emitting layer laminated between the anode and the cathode, wherein the yellow light emitting layer is arranged between the cathode and the first blue light emitting layer, and the first blue light emitting layer is arranged between the yellow light emitting layer and the second blue light emitting layer; and the yellow light emitting layer comprises a phosphorescent material, one of the first blue light emitting layer and the second blue light emitting layer comprises a blue fluorescent material, and the other one comprises a blue thermally-activated delayed fluorescent material used as an auxiliary material between a host and a guest.