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公开(公告)号：US20210367164A1
公开(公告)日：2021-11-25
申请号：US17290591
申请日：2019-12-21
Applicant: LG DISPLAY CO., LTD.
Inventor： In Bum SONG , Seung Hee YOON , Gwi Jeong CHO , So Yeon AHN , Yoo Yi SON , Tae Shick KIM
IPC: H01L51/00
Abstract: The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first host, a second host and a blue dopant and positioned between the first and second electrodes; a first electron blocking layer including an electron blocking material of a spirofluorene-substituted amine derivative and positioned between the first electrode and the first emitting material layer; and a first hole blocking layer including a first hole blocking material of an azine derivative and positioned between the second electrode and the first emitting material layer, wherein the first host is an anthracene derivative, and the second host is a deuterated anthracene derivative.
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公开(公告)号：US20150280161A1
公开(公告)日：2015-10-01
申请号：US14673057
申请日：2015-03-30
Applicant: LG DISPLAY CO., LTD.
Inventor： Ki-Woog SONG , Sung Hoon PIEH , Youn Seok KAM , Tae Shick KIM , Se Ung KIM , Hyung June KIM
IPC: H01L51/50
CPC classification number: H01L51/504 , H01L51/5044 , H01L51/5265
Abstract: Discussed is a white organic light emitting device for enhancing emission efficiency and panel efficiency. The white organic light emitting device can include a first emission part between a first electrode and a second electrode and configured to include a first emission layer (EML), a second emission part on the first emission part and configured to include a second EML, and a third emission part on the second emission part and configured to include a third EML. The first to third emission parts have an emission position of emitting layers (EPEL) structure in which the first to third emission parts have a maximum emission range in respective emission areas of the first to third EMLs.
Abstract translation: 讨论了一种用于提高排放效率和面板效率的白色有机发光装置。 白色有机发光器件可以包括在第一电极和第二电极之间的第一发射部分，并且被配置为包括第一发射层（EML），第二发射部分在第一发射部分上并被配置为包括第二EML，以及 在所述第二发射部分上的第三发射部分，并且被配置为包括第三EML。 第一至第三发射部分具有发射层（EPEL）结构的发射位置，其中第一至第三发射部分在第一至第三EML的各个发射区域中具有最大发射范围。
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公开(公告)号：US20240260464A1
公开(公告)日：2024-08-01
申请号：US18599051
申请日：2024-03-07
Applicant: LG DISPLAY CO., LTD.
Inventor： In Bum SONG , Seung Hee YOON , Gwi Jeong CHO , So Yeon AHN , Yoo Yi SON , Tae Shick KIM
IPC: H10K85/60 , H10K50/12 , H10K50/18 , H10K101/00
CPC classification number: H10K85/6572 , H10K85/622 , H10K85/624 , H10K85/626 , H10K85/633 , H10K85/636 , H10K85/654 , H10K85/6574 , H10K85/6576 , H10K50/12 , H10K50/18 , H10K2101/90
Abstract: The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first host, a second host and a blue dopant and positioned between the first and second electrodes; a first electron blocking layer including an electron blocking material of a spirofluorene-substituted amine derivative and positioned between the first electrode and the first emitting material layer; and a first hole blocking layer including a first hole blocking material of an azine derivative and positioned between the second electrode and the first emitting material layer, wherein the first host is an anthracene derivative, and the second host is a deuterated anthracene derivative.
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Patent Agency Ranking
公开(公告)号：US20180212178A1
公开(公告)日：2018-07-26
申请号：US15926888
申请日：2018-03-20
Applicant: LG Display Co., Ltd.
Inventor： Mi-Young HAN , Chang Wook HAN , Tae Il KUM , Gwi Jeong CHO , Tae Shick KIM , Se Ung KIM , Hee Dong CHOI
CPC classification number: H01L51/504 , H01L51/5044 , H01L51/5265 , H01L51/5278
Abstract: Disclosed is a white organic light emitting device for enhancing emission efficiency and a color viewing angle or a color reproduction rate. The white organic light emitting device includes a first emission part between a first electrode and a second electrode, the first emission part having a first emission layer, a second emission part on the first emission part, the second emission part having a second emission layer, and a third emission part on the second emission part, the third emission part having a third emission layer. At least two emission layers of the first to third emission layers emit lights having a same color to enhance emission efficiency and a color viewing angle, and the at least two emission layers are adjacent to each other.
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公开(公告)号：US20180205029A1
公开(公告)日：2018-07-19
申请号：US15922613
申请日：2018-03-15
Applicant: LG DISPLAY CO., LTD.
Inventor： Ki-Woog SONG , Sung Hoon PIEH , Youn Seok KAM , Tae Shick KIM , Se Ung KIM , Hyung June KIM
CPC classification number: H01L51/504 , H01L51/5044 , H01L51/5265
Abstract: A white organic light emitting device includes a first emission part between a first electrode and a second electrode, and configured to include a first emission layer, the first electrode being a reflective electrode, a second emission part on the first emission part, and configured to include a second emission layer, and a third emission part on the second emission part, and configured to include a third emission layer.
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公开(公告)号：US20170279059A1
公开(公告)日：2017-09-28
申请号：US15618017
申请日：2017-06-08
Applicant: LG Display Co., Ltd.
Inventor： Mi-Young HAN , Chang Wook HAN , Tae Il KUM , Gwi Jeong CHO , Tae Shick KIM , Se Ung KIM , Hee Dong CHOI
CPC classification number: H01L51/504 , H01L51/5044 , H01L51/5265 , H01L51/5278
Abstract: Disclosed is a white organic light emitting device for enhancing emission efficiency and a color viewing angle or a color reproduction rate. The white organic light emitting device includes a first emission part between a first electrode and a second electrode, the first emission part having a first emission layer, a second emission part on the first emission part, the second emission part having a second emission layer, and a third emission part on the second emission part, the third emission part having a third emission layer. At least two emission layers of the first to third emission layers emit lights having a same color to enhance emission efficiency and a color viewing angle, and the at least two emission layers are adjacent to each other.
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公开(公告)号：US20230217670A1
公开(公告)日：2023-07-06
申请号：US18086298
申请日：2022-12-21
Applicant: LG Display Co., Ltd.
Inventor： Jin Hwan PARK , Ji Yun KIM , Yong Hwan KIM , Tae Shick KIM , Kwang Hyun KIM , Dong Hyuk KIM
Abstract: Discussed is a light-emitting device including a first light-emitting layer so that a dopant having a hole trapping property is adjacent to a hole transport layer, and a second light-emitting layer that comes into contact with the first light-emitting layer to induce main light emission, thereby widening an emission zone and improving the efficiency and lifespan of the light-emitting layer. Also discussed is a light-emitting display including the light-emitting device. The first and second blue light-emitting layers can include a same host BH and different first and second blue dopants, respectively, and the first blue dopant can have a higher highest occupied molecular orbital (HOMO) energy level than a HOMO energy level of the hole transport layer.
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公开(公告)号：US20170263877A1
公开(公告)日：2017-09-14
申请号：US15601912
申请日：2017-05-22
Applicant: LG Display Co., Ltd.
Inventor： Ki-Woog SONG , Sung Hoon PIEH , Youn Seok KAM , Tae Shick KIM , Se Ung KIM , Hyung June KIM
IPC: H01L51/50
CPC classification number: H01L51/504 , H01L51/5044 , H01L51/5265
Abstract: Discussed is a white organic light emitting device for enhancing emission efficiency and panel efficiency. The white organic light emitting device can include a first emission part between a first electrode and a second electrode and configured to include a first emission layer (EML), a second emission part on the first emission part and configured to include a second EML, and a third emission part on the second emission part and configured to include a third EML. The first to third emission parts have an emission position of emitting layers (EPEL) structure in which the first to third emission parts have a maximum emission range in respective emission areas of the first to third EMLs.
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