公开(公告)号：US20240138263A1

公开(公告)日：2024-04-25

申请号：US18469108

申请日：2023-09-18

Applicant: Samsung Display Co., LTD.

Inventor： Makoto YAMAMOTO ,  Keigo HOSHI ,  Yuji SUZAKI ,  Hirokazu KUWABARA ,  Nobutaka AKASHI ,  Ryuhei FURUE ,  Toshiyuki MATSUURA ,  Yoshiro SUGITA ,  Yuma AOKI ,  Yuuki MIYAZAKI

IPC: H10K85/60 ,  C09K11/06

CPC classification number: H10K85/658 ,  C09K11/06 ,  H10K85/631 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K2101/20

Abstract: A light emitting element of one or more embodiments includes a first electrode, a second electrode oppositely to the first electrode, and an emission layer between the first electrode and the second electrode. The light emitting element of one or more embodiments includes a polycyclic compound represented by a specific chemical structure in the emission layer, thereby showing improved emission efficiency and life characteristics.

公开(公告)号：US20150144914A1

公开(公告)日：2015-05-28

申请号：US14547263

申请日：2014-11-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Mitsuhiro KASHIWABARA ,  Toshiyuki MATSUURA

IPC: H01L27/32 ,  H01L51/56

CPC classification number: H01L27/3276 ,  H01L27/3248 ,  H01L51/56 ,  H01L2227/323

Abstract: Provided is a display device, including a pixel electrode in each of a plurality of pixels; an auxiliary wiring part including a first auxiliary wiring having a first edge portion, and a second auxiliary wiring having a second edge portion spaced apart from and facing the first edge portion; an insulating layer on the pixel electrode and the auxiliary wiring part, and in which a first opening and a second opening are defined, the first opening overlapping the pixel electrode, and the second opening overlapping the first edge portion and the second edge portion; an organic light-emitting layer on the insulating layer and contacting the pixel electrode through the first opening; and an upper electrode on the organic light-emitting layer and having a connection portion electrically connected with the auxiliary wiring part through the second opening.

Abstract translation: 提供一种显示装置，其包括在多个像素中的每一个中的像素电极; 辅助配线部分，包括具有第一边缘部分的第一辅助布线和具有与第一边缘部分间隔开并面向第一边缘部分的第二边缘部分的第二辅助布线; 在像素电极和辅助配线部分上形成绝缘层，其中限定第一开口和第二开口，第一开口与像素电极重叠，第二开口与第一边缘部分和第二边缘部分重叠; 绝缘层上的有机发光层，并通过第一开口与像素电极接触; 以及有机发光层上的上电极，具有通过第二开口与辅助配线部电连接的连接部。

公开(公告)号：US20150303245A1

公开(公告)日：2015-10-22

申请号：US14690722

申请日：2015-04-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Mitsuhiro KASHIWABARA ,  Toshiyuki MATSUURA

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/52

CPC classification number: H01L51/5228 ,  H01L27/32 ,  H01L27/3258 ,  H01L27/3276 ,  H01L51/5212 ,  H01L51/56

Abstract: Display apparatus, including a substrate; a pixel electrode on the substrate and corresponding to a pixel; an auxiliary line on the substrate and insulated from the pixel electrode; an insulation layer on the pixel electrode and the auxiliary line, the insulation layer covering at least a portion of the pixel electrode and at least a portion of the auxiliary line; an organic light emitting layer on the pixel electrode, the auxiliary line, and the insulation layer; a first electrode on the organic light emitting layer and overlapping at least a portion of the auxiliary line; an opening in each of the organic light emitting layer and the first electrode to correspond to the auxiliary line; and a second electrode on the first electrode and an exposed portion of the auxiliary line, the second electrode electrically connecting the auxiliary line to the first electrode, the exposed portion of the auxiliary line being exposed by the opening.

Abstract translation: 显示装置，包括基板; 基板上的像素电极，对应于像素; 衬底上的辅助线并与像素电极绝缘; 在所述像素电极和所述辅助线上的绝缘层，所述绝缘层覆盖所述像素电极的至少一部分和所述辅助线的至少一部分; 像素电极，辅助线和绝缘层上的有机发光层; 在所述有机发光层上的第一电极，并且与所述辅助线的至少一部分重叠; 每个有机发光层和第一电极中的开口对应于辅助线; 以及在所述第一电极上的第二电极和所述辅助线的暴露部分，所述第二电极将所述辅助线电连接到所述第一电极，所述辅助线的暴露部分被所述开口暴露。

公开(公告)号：US20220085313A1

公开(公告)日：2022-03-17

申请号：US17227886

申请日：2021-04-12

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoung LEE ,  Makoto YAMAMOTO ,  Toshiyuki MATSUURA ,  Hyunyoung KIM ,  Hyosup SHIN

IPC: H01L51/50 ,  H01L51/00 ,  H01L33/50 ,  G02B5/20 ,  G02B1/08

Abstract: A 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 and including an emission layer. The emission layer may include a hole transporting host, an electron transporting host, a sensitizer, and a delayed fluorescence dopant. The hole transporting host and the electron transporting host may form an exciplex. The sensitizer may include an organometallic compound. The delayed fluorescence dopant may not include a metal atom, and the exciplex may satisfy specific Equations.

公开(公告)号：US20160284785A1

公开(公告)日：2016-09-29

申请号：US15074116

申请日：2016-03-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Toshiyuki MATSUURA ,  Mitsuhiro KASHIWABARA

IPC: H01L27/32 ,  H01L51/56

CPC classification number: H01L27/3276 ,  H01L51/5228

Abstract: A display device includes a substrate. A pixel electrode is disposed on the substrate. An auxiliary electrode is disposed on the substrate. A first auxiliary line is connected to the auxiliary electrode. A second auxiliary line is spaced apart from the auxiliary electrode. A top electrode contacts at least one of the auxiliary electrode, the first auxiliary line, or the second auxiliary line. An organic light emitting layer is disposed between the top electrode and the pixel electrode, and is disposed between the top electrode and the first and second auxiliary lines.

Abstract translation: 显示装置包括基板。 像素电极设置在基板上。 辅助电极设置在基板上。 第一辅助线连接到辅助电极。 第二辅助线与辅助电极间隔开。 顶部电极接触辅助电极，第一辅助线或第二辅助线中的至少一个。 有机发光层设置在顶部电极和像素电极之间，并且设置在顶部电极和第一和第二辅助线之间。

公开(公告)号：US20150179974A1

公开(公告)日：2015-06-25

申请号：US14582298

申请日：2014-12-24

Applicant: Samsung Display Co., Ltd.

Inventor： Toshiyuki MATSUURA

IPC: H01L51/52 ,  H01L51/50

CPC classification number: H01L51/5228 ,  H01L51/5004 ,  H01L51/5092 ,  H01L2251/552

Abstract: An organic electroluminescence (EL) display device, includes a lower electrode on a substrate; an assistant electrode on the substrate and spaced apart from the lower electrode; an organic material layer on the lower electrode and the assistant electrode, the organic material layer including a light-emitting layer on the lower electrode; an upper electrode on the organic material layer; and aa carrier generation material layer between the assistant electrode and the upper electrode, the organic material layer being between one or more of the carrier generation material layer and the assistant electrode, or the carrier generation material layer and the upper electrode.

Abstract translation: 一种有机电致发光（EL）显示装置，包括：在基板上的下电极; 辅助电极在基板上并与下电极间隔开; 在所述下电极和所述辅助电极上的有机材料层，所述有机材料层在所述下电极上包括发光层; 有机材料层上的上电极; 以及辅助电极和上电极之间的载流子生成材料层，有机材料层位于载流子产生材料层和辅助电极中的一个或多个之间，或载流子产生材料层和上部电极之间。