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公开(公告)号：US20230320120A1
公开(公告)日：2023-10-05
申请号：US18102169
申请日：2023-01-27
Applicant: Samsung Display Co., Ltd.
Inventor： Jongwon Lee , Seungcheol Kim , Changmin Lee , Hyunshik Lee
IPC: H10K50/13
CPC classification number: H10K50/131 , H10K59/12
Abstract: Embodiments provide a light-emitting device and an electronic apparatus including the same. The light-emitting device includes a first electrode, a second electrode facing the first electrode, m light-emitting units stacked between the first electrode and the second electrode, and m-1 charge generation layers between adjacent ones of the light-emitting. Each light-emitting unit includes an emission layer; the m light-emitting units include a first light-emitting unit, a second light-emitting unit, a third light-emitting unit, a fourth light-emitting unit, and a fifth light-emitting unit; the m−1 charge generation layers include a first charge generation layer, a second charge generation layer, a third charge generation layer, and a fourth charge generation layer; the first light-emitting unit and the second light-emitting unit each emit green light; and the third light-emitting unit, the fourth light-emitting unit, and the fifth light-emitting unit each emit blue light.
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公开(公告)号：US10020469B2
公开(公告)日：2018-07-10
申请号：US14730345
申请日：2015-06-04
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyunshik Lee
IPC: H01L51/52
CPC classification number: H01L51/5281 , H01L51/5262 , H01L2251/5338
Abstract: An organic light-emitting apparatus includes a flexible substrate, an organic light-emitting device on the flexible substrate, the light emitting device including a first electrode, an emission layer, and a second electrode sequentially disposed on the flexible substrate, and an anisotropic film on the second electrode of the organic light-emitting device. The anisotropic film includes an anisotropic material horizontally oriented with respect to a surface of the flexible substrate.
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公开(公告)号：US12035621B2
公开(公告)日：2024-07-09
申请号：US17988899
申请日：2022-11-17
Applicant: Samsung Display Co., Ltd.
Inventor： Namsu Kang , Minkyung Kim , Minho Park , Huiju Park , Dongkyu Lee , Jongwon Lee , Hyunshik Lee
IPC: H10K85/60 , H10K50/11 , H10K50/12 , H10K50/15 , H10K85/30 , H10K101/10 , H10K101/40
CPC classification number: H10K85/633 , H10K85/342 , H10K85/346 , H10K85/348 , H10K85/622 , H10K85/623 , H10K85/624 , H10K85/626 , H10K85/636 , H10K85/654 , H10K85/6572 , H10K85/6574 , H10K85/6576 , H10K50/11 , H10K50/12 , H10K50/15 , H10K2101/10 , H10K2101/40
Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer disposed between the first electrode and the second electrode. The emission layer includes a first emission layer and a second emission layer. The first emission layer includes a first compound, and the second emission layer includes a second compound. The first compound includes at least one deuterium (D), and the second compound does not include deuterium. An electronic apparatus including the light-emitting device is also provided.
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公开(公告)号：US20230139475A1
公开(公告)日：2023-05-04
申请号：US17975472
申请日：2022-10-27
Applicant: Samsung Display Co., Ltd.
Inventor： Namsu Kang , Songeun Lee , Minkyung Kim , Seulong Kim , Hyunshik Lee
Abstract: A light-emitting device and an electronic apparatus including the same. The light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode, wherein the interlayer includes a first emission layer and a second emission layer, the first emission layer includes a first hole transport host, a second electron transport host, and a first phosphorescent dopant, the second emission layer includes a second hole transport host, a second electron transport host, and a second phosphorescent dopant, and wherein (i) hole mobility of the first emission layer is faster than electron mobility of the first emission layer, or (ii) hole mobility of the first hole transport host in the first emission layer is faster than electron mobility of the first electron transport host in the first emission layer.
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公开(公告)号：US20230113809A1
公开(公告)日：2023-04-13
申请号：US17723353
申请日：2022-04-18
Applicant: Samsung Display Co., Ltd.
Inventor： Heungsu Park , Namsu Kang , Songeun Lee , Jongwon Lee , Hyunshik Lee , Wonsuk Han
IPC: H01L51/00
Abstract: A light emitting device in which: a) an absolute value of a lowest unoccupied molecular orbital (LUMO) energy level of a first electron transporting compound (ET-1) is smaller than an absolute value of a LUMO energy level of a host compound (H-1), b) an absolute value of a LUMO energy level of a second electron transporting compound (ET-2) is smaller than an absolute value of a LUMO energy level of a third electron transporting compound (ET-3), c) and an absolute value of a LUMO energy level of the second electron transporting compound (ET-2) is smaller than an absolute value of a LUMO energy level of the first electron transporting compound (ET-1).
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Patent Agency Ranking
公开(公告)号：US09905807B2
公开(公告)日：2018-02-27
申请号：US14850592
申请日：2015-09-10
Applicant: Samsung Display Co., Ltd.
Inventor： Hyunshik Lee
CPC classification number: H01L51/5275 , H01L51/5265 , H01L51/56
Abstract: An organic light emitting diode includes: a first electrode; a hole transport region disposed on the first electrode; an emitting layer disposed on the hole transport region, the emitting layer configured to emit light; an electron transport region disposed on the emitting layer; a second electrode disposed on the electron transport region; a capping layer disposed on the second electrode; and a compensation layer disposed on the capping layer, the compensation layer including a compensation pattern, wherein the compensation pattern is configured to compensate a phase of an inclined light, and wherein the inclined light is a light emitted from the emitting layer.
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公开(公告)号：US20240237391A1
公开(公告)日：2024-07-11
申请号：US18360048
申请日：2023-07-27
Applicant: Samsung Display Co., Ltd.
Inventor： Jongwon Lee , Seungcheol Kim , Heungsu Park , Changmin Lee , Hyunshik Lee
CPC classification number: H10K50/19 , H10K50/131 , H10K2102/351
Abstract: A tandem light-emitting device including a first electrode, a second electrode facing the first electrode, m light-emitting units stacked between the first electrode and the second electrode, the m light-emitting units each including an emission layer, and m−1 charge generation layers between two adjacent light-emitting units of the m light-emitting units. M is an integer of 5 or more. The m light-emitting units include first to fifth light-emitting units, in order of proximity to the first electrode. The m−1 charge generation layers include first to fourth charge generation layers, in order of proximity to the first electrode. At least one of the first to fifth light-emitting units emits blue light. At least one of the first to fifth light-emitting units emits green light. The formula 3≤D/(2*λb)≤ 4 is satisfied.
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公开(公告)号：US20240172515A1
公开(公告)日：2024-05-23
申请号：US18505122
申请日：2023-11-09
Applicant: Samsung Display Co., Ltd.
Inventor： Daehyeon Kim , Changmin Lee , Hyunshik Lee , Hongil Kim , Jaehoon Hwang
CPC classification number: H10K59/38 , H10K59/8731
Abstract: A display apparatus includes a first pixel electrode and a second pixel electrode disposed on the first substrate, an intermediate layer disposed on the first pixel electrode and the second pixel electrode and emitting a first light, an opposite electrode disposed on the intermediate layer, a first color filter disposed on the opposite electrode and overlapping the first pixel electrode in plan view, an organic material layer disposed between the opposite electrode and the first color filter, and a second color filter disposed on the opposite electrode and overlapping the second pixel electrode in plan view, and the first light has an X-value in a range of about 0.220 to about 0.222 and a Y-value in a range of about 0.225 to about 0.309 in CIE color coordinates, and the first light passes through the organic material layer along a substantially linear path.
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公开(公告)号：US20240172471A1
公开(公告)日：2024-05-23
申请号：US18493930
申请日：2023-10-25
Applicant: Samsung Display Co., Ltd.
Inventor： Heungsu Park , Namsu Kang , Jimyoung Ye , Songeun Lee , Jongwon Lee , Hyunshik Lee , Wonsuk Han
IPC: H10K50/17 , H10K50/16 , H10K50/858
CPC classification number: H10K50/171 , H10K50/16 , H10K50/858
Abstract: Embodiments provide a light-emitting device, an electronic apparatus including the light-emitting device, and an electronic device including the light-emitting device. The light-emitting device includes a first electrode, a second electrode, and an interlayer between the first electrode and the second electrode. The interlayer includes m emission units, and m−1 charge generation unit(s) between adjacent ones of the m emission units, wherein m is an integer of 2 or more. One of the m emission units includes an emission layer, an electron injection layer between the emission layer and the second electrode, and an electron transport layer between the electron injection layer and the emission layer. The electron injection layer includes a mixture of a first metal-containing material and a first metal-free material, and the electron transport layer does not include a lithium-containing material.
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公开(公告)号：US11527722B2
公开(公告)日：2022-12-13
申请号：US17391613
申请日：2021-08-02
Applicant: Samsung Display Co., Ltd.
Inventor： Namsu Kang , Minkyung Kim , Minho Park , Huiju Park , Dongkyu Lee , Jongwon Lee , Hyunshik Lee
Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer disposed between the first electrode and the second electrode. The emission layer includes a first emission layer and a second emission layer. The first emission layer includes a first compound, and the second emission layer includes a second compound. The first compound includes at least one deuterium (D), and the second compound does not include deuterium. An electronic apparatus including the light-emitting device is also provided.
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