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公开(公告)号:US20230165022A1
公开(公告)日:2023-05-25
申请号:US18058397
申请日:2022-11-23
Applicant: Samsung Display Co., Ltd.
Inventor: Seulong Kim , Hajin Song , Hyoungcheol Lim , Yangjin Cho , Jaehoon Hwang
CPC classification number: H01L51/5004 , H01L51/0094 , H01L51/0073 , H01L51/0058 , H01L51/504 , H01L2251/5384
Abstract: In a light-emitting device, an emission layer includes a first emission layer and a second emission layer, the first emission layer includes a first host, the second emission layer includes a second host and a third host, and a hole mobility of the first host (μH1), a hole mobility of the second host (μH2), and a hole mobility of the third host (μH3) satisfy Expressions (1) and (2) below:
μH1>μH2 (1)
μH1>μH3 (2).-
公开(公告)号:US11158679B2
公开(公告)日:2021-10-26
申请号:US16198301
申请日:2018-11-21
Applicant: Samsung Display Co., Ltd.
Inventor: Hyoyeon Kim , Jimyoung Ye , Yiseul Kim , Byeongwook Yoo , Jaehoon Hwang
Abstract: A light-emitting device includes: a plurality of first electrodes disposed according to a first sub-pixel, a second sub-pixel, a third sub-pixel, and a fourth sub-pixel, respectively; a second electrode facing the plurality of first electrodes; a first emission layer disposed in the first sub-pixel and emitting first color light; a third emission layer disposed in the third sub-pixel and emitting third color light; a fourth emission layer disposed in the fourth sub-pixel and emitting near-infrared (NIR) light having a maximum emission wavelength of about 680 nm or more; and a first layer integrated with the first sub-pixel, the second sub-pixel, the third sub-pixel, and the fourth sub-pixel.
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公开(公告)号:US10737289B2
公开(公告)日:2020-08-11
申请号:US15475925
申请日:2017-03-31
Applicant: Samsung Display Co., Ltd.
Inventor: Seongjong Kang , Myoungki Kim , Jaeyoung Lee , Jaehoon Hwang , Jun Hwang
Abstract: A mask frame assembly including a frame having an opening, a mask having a first end and a second end supported on the frame, and a first member disposed between the first end of the mask and the frame, the first member including a material having a coefficient of thermal expansion greater than that of the mask. A method of manufacturing a display apparatus using the mask frame assembly also is disclosed.
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公开(公告)号:US20190263849A1
公开(公告)日:2019-08-29
申请号:US16283173
申请日:2019-02-22
Applicant: Samsung Display Co., Ltd.
Inventor: Byeongwook Yoo , Myeongsuk Kim , Jimyoung Ye , Yiseul Kim , Jaehoon Hwang
Abstract: Provided are an organometallic compound, an organic light-emitting device including the organometallic compound, and an organic light-emitting apparatus including the organic light-emitting device. The organometallic compound has the structure M(L1)n1(L2)n2, wherein M is a transition metal, L1 is a ligand represented by the following structure: wherein n1 is 1, 2, or 3, and when n1 is two or more, two or more L1(s) are identical to or different from each other, L2 is an organic ligand, and n2 is 0, 1, or 2, and when n2 is two or more, two or more L2(s) are identical to or different from each other. The sum of n1 and n2 is 2 or 3. More details about Formula 2 is provided in the disclosure.
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公开(公告)号:US20180261791A1
公开(公告)日:2018-09-13
申请号:US15832263
申请日:2017-12-05
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Byeongwook Yoo , Yiseul Kim , Jihwan Yoon , Jaehoon Hwang
IPC: H01L51/52
CPC classification number: H01L51/5203 , H01L51/0054 , H01L51/0067 , H01L51/0072 , H01L51/0073 , H01L51/0074 , H01L51/0085 , H01L51/0087 , H01L51/0088 , H01L51/5016 , H01L51/5024
Abstract: An organic light-emitting device includes a first electrode, a second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode. The emission layer includes a host, a photosensitizer, and a near-infrared luminescent compound having a maximum emission wavelength (λmax) of about 680 nm or more.
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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:US11889756B2
公开(公告)日:2024-01-30
申请号:US16518346
申请日:2019-07-22
Applicant: Samsung Display Co., Ltd.
Inventor: Taekyung Kim , Sunwoo Kang , Pilgu Kang , Jiyoung Kwon , Soonchul Chang , Jaehoon Hwang
IPC: H10K85/60 , C09K11/06 , C07D471/06 , C07D471/16 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/17 , H10K50/18 , H10K50/155 , H10K59/123 , H10K101/10
CPC classification number: H10K85/6572 , C07D471/06 , C07D471/16 , C09K11/06 , H10K85/615 , C09K2211/1018 , H10K50/11 , H10K50/15 , H10K50/155 , H10K50/16 , H10K50/17 , H10K50/171 , H10K50/18 , H10K59/123 , H10K2101/10
Abstract: Provided are an organic light-emitting device having improved luminescent efficiency and a compound.
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公开(公告)号:US11690289B2
公开(公告)日:2023-06-27
申请号:US17071757
申请日:2020-10-15
Applicant: Samsung Display Co., Ltd. , Doosan Solus Co., Ltd.
Inventor: Seulong Kim , Hojun Son , Hyobum Song , Jaehoon Hwang , Hoemoon Kim , Hocheol Park , Minsik Eum , Songie Han
IPC: H01L51/50 , H01L51/00 , C07D471/04
CPC classification number: H01L51/0072 , H01L51/0052 , H01L51/0067 , C07D471/04 , H01L51/5072
Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode and including an emission layer; and at least one heterocyclic compound represented by Formula 1:
The organic light-emitting device including at least one heterocyclic compound as represented above may have a low driving voltage, high emission efficiency, and improved lifetime characteristics.-
公开(公告)号:US20230005994A1
公开(公告)日:2023-01-05
申请号:US17556031
申请日:2021-12-20
Applicant: Samsung Display Co., Ltd.
Inventor: Seulong Kim , Eungyoung Park , Jiyoung Song , Hajin Song , Jaehoon Hwang
Abstract: A display apparatus, comprising a substrate; a light-emitting device layer arranged on the substrate, wherein the light-emitting device layer comprises a first, second, and third areas, and at least one light-emitting device emitting a first light; and a color conversion layer arranged on the light-emitting device layer, wherein the color conversion layer comprises first, second, and third color conversion areas, wherein the first color conversion area emits a first color light, the second color conversion area emits a second color light, the third color conversion area emits a third color light, a maximum emission wavelength of the first, second, and third color lights are greater than a maximum emission wavelength of the first light, a color of the third color light is identical to that of the first light, and the maximum emission wavelength of the third color light is greater than the maximum emission wavelength of the first light.
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公开(公告)号:US11117910B2
公开(公告)日:2021-09-14
申请号:US16169371
申请日:2018-10-24
Applicant: Samsung Display Co., Ltd.
Inventor: Byeongwook Yoo , Myeongsuk Kim , Jimyoung Ye , Hyoyeon Kim , Jihwan Yoon , Jaehoon Hwang
Abstract: Provided are an organometallic compound, an organic light-emitting device including the organometallic compound represented by Formula 1, and an organic light-emitting apparatus including the organic light-emitting device. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer and at least one of the organometallic compound represented by Formula 1.
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