公开(公告)号：US20190148648A1

公开(公告)日：2019-05-16

申请号：US16042794

申请日：2018-07-23

Applicant: Samsung Display Co., Ltd.

Inventor： Changmin LEE ,  Jihye SHIM ,  Yeonwoo LEE ,  Jehong CHOI ,  Hyunju CHOI ,  Sangwoo PYO ,  Myungsuk HAN

IPC: H01L51/00 ,  H01L51/52 ,  H01L27/32 ,  H01L51/50

Abstract: Disclosed are an organic light-emitting diode and an organic light-emititng display device including the same. The organic light-emitting diode includes: a first electrode; a second electrode disposed opposite to the first electrode; and an organic layer interposed between the first electrode and the second layer and including a hole transport region, a light-emitting layer, an electron transport region, and a diffusion barrier layer, wherein the diffusion barrier layer includes one or more diffusion barrier materials including a 6- to 20-membered N-heterocyclic aromatic compound, a lithium complex, and/or a phosphine oxide-based compound.

公开(公告)号：US20180138249A1

公开(公告)日：2018-05-17

申请号：US15870389

申请日：2018-01-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hajin SONG ,  Jihwan YOON ,  Sangwoo LEE ,  Sangwoo PYO

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/50

CPC classification number: H01L27/3211 ,  H01L27/3276 ,  H01L51/0068 ,  H01L51/0072 ,  H01L51/5004 ,  H01L51/5016 ,  H01L51/5036 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5265 ,  H01L51/56 ,  H01L2227/323 ,  H01L2251/5376 ,  H01L2251/5384 ,  H01L2251/552

Abstract: An organic light-emitting device and display apparatus, the device including a first electrode; a second electrode facing the first electrode; an emission layer between the first and second electrode; a hole control layer between the first electrode and the emission layer; and an electron control layer between the emission layer and the second electrode, wherein the emission layer includes a plurality of sub-emission layers to emit light having different wavelengths, at least portions of the plurality of sub-emission layers do not overlap one another, the plurality of sub-emission layers include: a first sub-emission layer including a first color light-emitting dopant, and a second sub-emission layer including a second color light-emitting dopant, the first and second sub-emission layers each include a hole-transporting and electron-transporting host which form an exciplex, and a triplet energy of the exciplex is equal to or greater than triplet energies of the first and second color light-emitting dopant.

公开(公告)号：US20170033306A1

公开(公告)日：2017-02-02

申请号：US15069997

申请日：2016-03-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hajin SONG ,  Heungsu PARK ,  Bumsuk LEE ,  Sangwoo LEE ,  Sangwoo PYO

IPC: H01L51/50 ,  H01L51/00 ,  H01L27/32

CPC classification number: H01L51/5004 ,  H01L27/3211 ,  H01L27/3246 ,  H01L51/0052 ,  H01L51/0073 ,  H01L51/5036 ,  H01L51/5064 ,  H01L51/5076 ,  H01L51/508 ,  H01L51/5088 ,  H01L51/5265 ,  H01L2251/552

Abstract: An organic light emitting pixel and an organic light emitting display device, the pixel including a first organic light emitting diode to emit light with a nth order resonance mode of a first wavelength, n being a natural number of at least 1; a second organic light emitting diode to emit light with the nth order resonance mode of a second wavelength, the second wavelength being shorter than the first wavelength; and a third organic light emitting diode to emit light with a mth order resonance mode of a third wavelength, the third wavelength being shorter than the first and second wavelengths, and m being a natural number that is larger than n.

Abstract translation: 一种有机发光像素和有机发光显示装置，所述像素包括第一有机发光二极管，以发射具有第一波长的第n次谐振模式的光，n为至少1的自然数; 第二有机发光二极管以第二波长的第n次谐振模式发光，第二波长短于第一波长; 以及第三有机发光二极管，发射具有第三波长的第m次谐振模式的光，所述第三波长短于所述第一和第二波长，并且m是大于n的自然数。

公开(公告)号：US20250063914A1

公开(公告)日：2025-02-20

申请号：US18936879

申请日：2024-11-04

Applicant: Samsung Display Co., LTD.

Inventor： Hajin SONG ,  Jihwan YOON ,  Sangwoo LEE ,  Sangwoo PYO

IPC: H10K59/35 ,  H10K50/11 ,  H10K50/125 ,  H10K50/15 ,  H10K50/16 ,  H10K50/852 ,  H10K59/12 ,  H10K59/131 ,  H10K71/00 ,  H10K85/60 ,  H10K101/00 ,  H10K101/10 ,  H10K101/30 ,  H10K101/40

Abstract: An organic light-emitting device and display apparatus, the device including a first electrode; a second electrode facing the first electrode; an emission layer between the first and second electrode; a hole control layer between the first electrode and the emission layer; and an electron control layer between the emission layer and the second electrode, wherein the emission layer includes a plurality of sub-emission layers to emit light having different wavelengths, at least portions of the plurality of sub-emission layers do not overlap one another, the plurality of sub-emission layers include: a first sub-emission layer including a first color light-emitting dopant, and a second sub-emission layer including a second color light-emitting dopant, the first and second sub-emission layers each include a hole-transporting and electron-transporting host which form an exciplex, and a triplet energy of the exciplex is equal to or greater than triplet energies of the first and second color light-emitting dopant.

公开(公告)号：US20230189547A1

公开(公告)日：2023-06-15

申请号：US18079496

申请日：2022-12-12

Applicant: Samsung Display Co., Ltd.

Inventor： Seho LEE ,  Taehyung KIM ,  Yongdae LEE ,  Jihwan YOON ,  Sangwoo PYO ,  Jaehoon HWANG

IPC: H10K50/824 ,  H10K59/38 ,  H10K59/122 ,  H10K59/131 ,  H10K71/00

CPC classification number: H01L51/5228 ,  H01L27/322 ,  H01L27/3246 ,  H01L27/3279 ,  H01L51/56 ,  H01L2227/323

Abstract: The disclosure provides a display device and a method of manufacturing the display device. The display device includes a first electrode disposed on an organic insulating layer and a second electrode disposed on an intermediate layer and overlapping the first electrode and an auxiliary electrode in a plan view, the second electrode electrically contacting the auxiliary electrode through a hole of the intermediate layer. A thickness of the intermediate layer varies in a direction away from a center of the hole of the intermediate layer.

公开(公告)号：US20190148663A1

公开(公告)日：2019-05-16

申请号：US16040471

申请日：2018-07-19

Applicant: Samsung Display Co., Ltd.

Inventor： Changmin LEE ,  Jihye SHIM ,  Yeonwoo LEE ,  Jehong CHOI ,  Hyunju CHOI ,  Sangwoo PYO ,  Myungsuk HAN

IPC: H01L51/50 ,  H01L51/52 ,  H05B33/10 ,  H01L27/32

Abstract: Disclosed are an organic light-emitting diode and an organic light-emitting display device including the same. The organic light-emitting diode includes: a first electrode; a second electrode disposed opposite to the first electrode; a light-emitting layer disposed between the first electrode and the second electrode; a hole transport region disposed between the first electrode and the light-emitting layer; and an electron transport region disposed between the light-emitting layer and the second electrode; the hole transport region including at least two layers, and one of the at least two layers is in contact with the first electrode and is a self-crystallizing material-containing layer.

公开(公告)号：US20180247985A1

公开(公告)日：2018-08-30

申请号：US15799219

申请日：2017-10-31

Applicant: Samsung Display Co., Ltd.

Inventor： Pyungeun JEON ,  Ilsoo OH ,  Jihwan YOON ,  Bora LEE ,  Jehong CHOI ,  Sangwoo PYO

IPC: H01L27/32 ,  H01L27/15

CPC classification number: H01L27/3218 ,  G09G3/20 ,  G09G5/003 ,  G09G2300/0452 ,  G09G2310/0232 ,  G09G2310/08 ,  G09G2320/0242 ,  H01L27/156 ,  H01L27/3213 ,  H01L27/3216 ,  H01L51/0097 ,  H01L2251/5338

Abstract: A bent edge display panel including a flat area in which pixel groups are repeatedly formed in a first direction and in a second direction perpendicular to the first direction, each of the pixel groups including a first pixel, a second pixel, and a third pixel, and a bending area extending and being bent from the flat area along the first direction, wherein a pixel group from among the pixel groups and a compensating pixel are in the bending area.

公开(公告)号：US20170125487A1

公开(公告)日：2017-05-04

申请号：US15141910

申请日：2016-04-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hajin SONG ,  Jihwan YOON ,  Sangwoo LEE ,  Sangwoo PYO

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/50

CPC classification number: H01L27/3211 ,  H01L27/3276 ,  H01L51/5004 ,  H01L51/5016 ,  H01L51/5036 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5265 ,  H01L51/56 ,  H01L2227/323 ,  H01L2251/5376 ,  H01L2251/5384 ,  H01L2251/552

Abstract: An organic light-emitting device and display apparatus, the device including a first electrode; a second electrode facing the first electrode; an emission layer between the first and second electrode; a hole control layer between the first electrode and the emission layer; and an electron control layer between the emission layer and the second electrode, wherein the emission layer includes a plurality of sub-emission layers to emit light having different wavelengths, at least portions of the plurality of sub-emission layers do not overlap one another, the plurality of sub-emission layers include: a first sub-emission layer including a first color light-emitting dopant, and a second sub-emission layer including a second color light-emitting dopant, the first and second sub-emission layers each include a hole-transporting and electron-transporting host which form an exciplex, and a triplet energy of the exciplex is equal to or greater than triplet energies of the first and second color light-emitting dopant.