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公开(公告)号:US20240244971A1
公开(公告)日:2024-07-18
申请号:US18369702
申请日:2023-09-18
Applicant: LG DISPLAY CO., LTD.
Inventor: Sang-Beom KIM , Young-Jun YU , Seon-Keun YOO , Dae-Wi YOON , Su-Na CHOI , Seong-Su JEON , Ji-Yun KIM , Yong-Hwan KIM , Jin-Hwan PARK
CPC classification number: H10K85/658 , C09K11/02 , C09K11/06 , H10K85/626 , H10K85/633 , H10K85/636 , H10K85/654 , H10K85/6572 , H10K50/12
Abstract: The present disclosure relates to an organic light emitting diode including a first electrode; a second electrode facing the first electrode; and a first emitting part including a first blue emitting layer, a second blue emitting layer, an electron transporting layer and positioned between the first and second electrode, wherein the first blue emitting layer includes a first host and a first dopant, and the second blue emitting layer includes a second host and a second dopant, wherein the first host is an anthracene derivative having a first deuteration ratio, and the second host is an anthracene derivative having a second deuteration ratio smaller than the first deuteration ratio, wherein the first dopant is a first compound represented by Formula 3, and wherein the first electron transporting layer includes an electron transporting material represented by Formula 9.
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公开(公告)号:US20190131556A1
公开(公告)日:2019-05-02
申请号:US16170030
申请日:2018-10-25
Applicant: LG Display Co., Ltd.
Inventor: Seung-Hyun KIM , Yong-Hwan KIM , Young-Kwan JUNG , Hee-Yeol KIM
Abstract: A white organic light emitting device and an organic light emitting display device using the white organic light emitting device stably implement white light in a tandem-type top emission structure through uniform lifespans according to emitted colors of light despite driving of the white organic light emitting device for a long time.
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公开(公告)号:US20240237530A1
公开(公告)日:2024-07-11
申请号:US18369674
申请日:2023-09-18
Applicant: LG DISPLAY CO., LTD.
Inventor: Sang-Beom KIM , Young-Jun YU , Seon-Keun YOO , Dae-Wi YOON , Su-Na CHOI , Seong-Su JEON , Yong-Hwan KIM , Jin-Hwan PARK , Jin-Yun KIM
CPC classification number: H10K85/658 , C09K11/02 , C09K11/06 , H10K85/626 , H10K85/633 , H10K85/636 , H10K50/12
Abstract: An organic light emitting diode including a first electrode; a second electrode facing the first electrode; and a first emitting part including a first blue emitting layer and a second blue emitting layer and positioned between the first and second electrode, the second blue emitting layer positioned between the first blue emitting layer and the second electrode and contacting the first blue emitting layer, wherein the first blue emitting layer includes a first host and a first dopant, and the second blue emitting layer includes a second host and a second dopant, wherein the first host is an anthracene derivative having a first deuteration ratio, and the second host is an anthracene derivative having a second deuteration ratio smaller than the first deuteration ratio, wherein the first dopant is a first compound represented by Formula 3, and the second dopant is a second compound represented by Formula 7.
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公开(公告)号:US20200161580A1
公开(公告)日:2020-05-21
申请号:US16687371
申请日:2019-11-18
Applicant: LG Display Co., Ltd.
Inventor: Ki-Wook SONG , Jung-Soo PARK , Min YUN , Yong-Hwan KIM , Tae-Woo JEON
IPC: H01L51/50
Abstract: Organic light emitting diode display devices are provided. In at least one embodiment, an organic light emitting diode display device includes a first electrode; a first stack on the first electrode and the first stack is configured to emit a blue colored light; a first charge generating layer on the first stack; a second stack on the first charge generating layer and the second stack is configured to emit a red colored light and a yellow-green colored light; and a second electrode on the second stack. The second stack includes: a red-yellow-green emitting material layer including a yellow-green host, a yellow-green dopant and a red dopant; and a yellow-green emitting material layer including the yellow-green host and the yellow-green dopant.
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公开(公告)号:US20240244970A1
公开(公告)日:2024-07-18
申请号:US18369546
申请日:2023-09-18
Applicant: LG DISPLAY CO., LTD.
Inventor: Sang-Beom KIM , Young-Jun YU , Seon-Keun YOO , Dae-Wi YOON , Su-Na CHOI , Seong-Su JEON , Ji-Yun KIM , Yong-Hwan KIM , Jin-Hwan PARK
CPC classification number: H10K85/658 , C09K11/02 , C09K11/06 , H10K85/615 , H10K85/626 , H10K85/633 , H10K85/636 , H10K85/654 , H10K85/6572 , H10K85/6574 , H10K50/12
Abstract: The present invention relates to an organic light emitting diode including first and second electrodes facing each other; and a first emitting part including a first blue emitting layer, a second blue emitting layer, an electron transporting layer and positioned between the first and second electrode, wherein the first blue emitting layer includes a first host and a first dopant, and the second blue emitting layer includes a second host and a second dopant, wherein the first host is an anthracene derivative having a first deuteration ratio, and the second host is an anthracene derivative having a second deuteration ratio smaller than the first deuteration ratio, wherein the first dopant is a first compound represented by Formula 3, and wherein the first electron transporting layer includes at least one of a first electron transporting material represented by Formula 9 and a second electron transporting material represented by Formula 10.
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