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公开(公告)号：US10910604B2
公开(公告)日：2021-02-02
申请号：US15912252
申请日：2018-03-05
发明人： Shuang Cheng , Jinghua Niu , Xiangcheng Wang , Yuji Hamada , Angran Zhang , Run Yang
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.
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公开(公告)号：US20180159084A1
公开(公告)日：2018-06-07
申请号：US15888092
申请日：2018-02-05
发明人： Honghu MA , Jinghua Niu , Xiangcheng Wang , Run Yang
摘要： The disclosure discloses an organic light-emitting diode, a display panel and a display device. The organic light-emitting diode includes an anode, a cathode, at least two emitting layers arranged between the anode and the cathode, and a charge generation layer arranged between every two adjacent emitting layers, where the charge generation layer includes a first doping layer, an intermediate layer and a second doping layer which are arranged in sequence along the direction far away from the cathode, where the first doping layer includes a P-type semiconductor material, and the second doping layer includes a N-type semiconductor material; the P-type semiconductor material includes a P-type inorganic semiconductor material, a P-type metal dopant or a P-type organic semiconductor material, and the N-type semiconductor material includes a N-type inorganic semiconductor material, a N-type metal dopant or a N-type organic semiconductor material.
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公开(公告)号：US10665821B2
公开(公告)日：2020-05-26
申请号：US15888092
申请日：2018-02-05
发明人： Honghu Ma , Jinghua Niu , Xiangcheng Wang , Run Yang
摘要： The disclosure discloses an organic light-emitting diode, a display panel and a display device. The organic light-emitting diode includes an anode, a cathode, at least two emitting layers arranged between the anode and the cathode, and a charge generation layer arranged between every two adjacent emitting layers, where the charge generation layer includes a first doping layer, an intermediate layer and a second doping layer which are arranged in sequence along the direction far away from the cathode, where the first doping layer includes a P-type semiconductor material, and the second doping layer includes a N-type semiconductor material; the P-type semiconductor material includes a P-type inorganic semiconductor material, a P-type metal dopant or a P-type organic semiconductor material, and the N-type semiconductor material includes a N-type inorganic semiconductor material, a N-type metal dopant or a N-type organic semiconductor material.
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公开(公告)号：US11056662B2
公开(公告)日：2021-07-06
申请号：US15791347
申请日：2017-10-23
发明人： Angran Zhang , Hamada Yuji , Jinghua Niu , Xiangcheng Wang , Shuang Cheng , Run Yang
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.
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