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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：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：US20160181562A1
公开(公告)日：2016-06-23
申请号：US14873414
申请日：2015-10-02
Applicant: LG Display Co., Ltd.
Inventor： Sung Hoon PIEH , Chang Wook HAN , Hong Seok CHOI , Ki-Woog SONG , So Yeon AHN , Seung Hyun KIM
CPC classification number: H01L51/504 , H01L51/5044 , H01L51/5218 , H01L51/5221 , H01L51/5265 , H01L2251/558
Abstract: An organic light emitting display device comprises two emission portions between first and second electrodes, wherein at least one among the two emission portions includes two emitting layers, whereby efficiency and a color reproduction ratio may be improved.
Abstract translation: 有机发光显示装置包括第一和第二电极之间的两个发射部分，其中两个发射部分中的至少一个包括两个发射层，从而可提高效率和色彩再现比。
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公开(公告)号：US20190288228A1
公开(公告)日：2019-09-19
申请号：US16421777
申请日：2019-05-24
Applicant: LG Display Co., Ltd.
Inventor： Sung Hoon PIEH , Chang Wook HAN , Hong Seok CHOI , Ki-Woog SONG , So Yeon AHN , Seung Hyun KIM
Abstract: An organic light emitting display device comprises two emission portions between first and second electrodes, wherein at least one among the two emission portions includes two emitting layers, whereby efficiency and a color reproduction ratio may be improved.
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公开(公告)号：US20170141338A1
公开(公告)日：2017-05-18
申请号：US15417161
申请日：2017-01-26
Applicant: LG Display Co., Ltd.
Inventor： So Yeon AHN , Chang Wook HAN , Hong Seok CHOI , Seung Ryong JOUNG , Jung Soo PARK , Min Gyu LEE
CPC classification number: H01L51/504 , H01L27/3209 , H01L27/322 , H01L51/5044 , H01L51/5278 , H01L2251/552
Abstract: Disclosed is a white organic light emitting device. The white organic light emitting device includes a first emission part between a first electrode and a second electrode, a second emission part on the first emission part, and a third emission part on the second emission part. At least one of the first to third emission parts includes at least two emission layers including a red emission layer, and a position of the red emission layer is set to enhance a color reproduction rate and at least one of red efficiency, green efficiency, and blue efficiency.
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Patent Agency Ranking
公开(公告)号：US20200168828A1
公开(公告)日：2020-05-28
申请号：US16776344
申请日：2020-01-29
Applicant: LG Display Co., Ltd.
Inventor： Sung Hoon PIEH , Chang Wook HAN , Hong Seok CHOI , Ki-Woog SONG , So Yeon AHN , Seung Hyun KIM
Abstract: An organic light emitting display device comprises two emission portions between first and second electrodes, wherein at least one among the two emission portions includes two emitting layers, whereby efficiency and a color reproduction ratio may be improved.
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公开(公告)号：US20180053908A1
公开(公告)日：2018-02-22
申请号：US15783127
申请日：2017-10-13
Applicant: LG DISPLAY CO., LTD.
Inventor： Youn Seok KAM , Chang Wook HAN , Jae Man LEE , Se Ung KIM
CPC classification number: H01L51/504 , H01L27/3209 , H01L27/322 , H01L27/3244 , H01L51/5218 , H01L51/5234 , H01L51/5265 , H01L51/5278 , H01L2251/5376
Abstract: An organic light emitting diode and an organic light emitting display apparatus using the organic light emitting diode are provided. The organic light emitting diode includes a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode to emit white light, and the organic layer is configured to emit white light in which an X-axis coordinate value in a color coordinate system is equal to or greater than 0.29, a Y-axis coordinate value in the color coordinate system is in a range of 0.32 to 0.45, and the Y-axis coordinate value in the color coordinate system is equal to or greater than the X-axis coordinate value in the color coordinate system.
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公开(公告)号：US20190097153A1
公开(公告)日：2019-03-28
申请号：US16205025
申请日：2018-11-29
Applicant: LG Display Co., Ltd.
Inventor： Sung Hoon PIEH , Chang Wook HAN , Hong Seok CHOI , Ki-Woog SONG , So Yeon AHN , Seung Hyun KIM
CPC classification number: H01L51/504 , H01L51/5044 , H01L51/5218 , H01L51/5221 , H01L51/5265 , H01L2251/558
Abstract: An organic light emitting display device comprises two emission portions between first and second electrodes, wherein at least one among the two emission portions includes two emitting layers, whereby efficiency and a color reproduction ratio may be improved.
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公开(公告)号：US20170084855A1
公开(公告)日：2017-03-23
申请号：US15189739
申请日：2016-06-22
Applicant: LG DISPLAY CO., LTD.
Inventor： Younseok KAM , Chang Wook HAN , Hongseok CHOI , SoYeon AHN , Taeshick KIM , Mingyu LEE
CPC classification number: H01L51/504 , H01L27/3209 , H01L27/3244 , H01L51/5004 , H01L51/5056 , H01L51/5064 , H01L51/5265 , H01L51/5278 , H01L2251/552 , H01L2251/558
Abstract: Disclosed is an organic light emitting display (OLED) apparatus with improved efficiency and lifespan, wherein the OLED apparatus includes an anode, a cathode, and a light-emitting unit disposed in-between, wherein the light-emitting unit includes a first emission layer, and a first hole transporting layer having first and second materials, wherein the first material has a higher hole mobility than that of the second material so as to improve a transfer of holes from the first hole transporting layer to the first emission layer, and the second material has a higher triplet energy level than that of the first material so as to reduce a transfer of electrons from the first emission layer to the first hole transporting layer.
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10.发明申请公开(公告)号：US20160149151A1
公开(公告)日：2016-05-26
申请号：US14885542
申请日：2015-10-16
Applicant: LG DISPLAY CO., LTD.
Inventor： Youn Seok KAM , Chang Wook HAN , Jae Man LEE , Se Ung KIM
CPC classification number: H01L51/504 , H01L27/3209 , H01L27/322 , H01L27/3244 , H01L51/5218 , H01L51/5234 , H01L51/5265 , H01L51/5278 , H01L2251/5376
Abstract: An organic light emitting diode and an organic light emitting display apparatus using the organic light emitting diode are provided. The organic light emitting diode includes a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode to emit white light, and the organic layer is configured to emit white light in which an X-axis coordinate value in a color coordinate system is equal to or greater than 0.29, a Y-axis coordinate value in the color coordinate system is in a range of 0.32 to 0.45, and the Y-axis coordinate value in the color coordinate system is equal to or greater than the X-axis coordinate value in the color coordinate system.
Abstract translation: 提供了使用有机发光二极管的有机发光二极管和有机发光显示装置。 有机发光二极管包括第一电极; 第二电极; 以及在所述第一电极和所述第二电极之间发射白光的有机层，并且所述有机层被配置为发射其中所述颜色坐标系中的X轴坐标值等于或大于0.29的白光，Y 颜色坐标系中的轴坐标值在0.32至0.45的范围内，并且颜色坐标系中的Y轴坐标值等于或大于色坐标系中的X轴坐标值。
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