公开(公告)号：US20240237456A9

公开(公告)日：2024-07-11

申请号：US18400296

申请日：2023-12-29

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 ,  H10K59/131 ,  H10K71/00

CPC classification number: H10K59/35 ,  H10K50/11 ,  H10K50/125 ,  H10K50/15 ,  H10K50/16 ,  H10K59/131 ,  H10K71/00 ,  H10K50/852

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：US20160218154A1

公开(公告)日：2016-07-28

申请号：US14817563

申请日：2015-08-04

Applicant: Samsung Display Co., Ltd.

Inventor： Sangwoo PYO ,  Hajin SONG ,  Heunseung LEE

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

CPC classification number: H01L27/3211 ,  H01L51/5004 ,  H01L51/5088 ,  H01L51/5096 ,  H01L51/5265 ,  H01L2251/552

Abstract: An organic electroluminescent display apparatus includes: a base substrate; a first electrode; a hole transport region; a light-emitting unit; a common layer; a first resonance auxiliary layer; a second resonance auxiliary layer; an electron transport region; and a second electrode. The light-emitting unit includes a first light-emitting layer disposed on the first pixel region and a second light-emitting layer disposed on the second pixel region. The first resonance auxiliary layer and the second resonance auxiliary layer may be separated from the common layer.

Abstract translation: 一种有机电致发光显示装置，包括：基底; 第一电极; 空穴输送区域 发光单元; 共同层; 第一谐振辅助层; 第二谐振辅助层; 电子传输区域; 和第二电极。 发光单元包括设置在第一像素区域上的第一发光层和设置在第二像素区域上的第二发光层。 第一共振辅助层和第二共振辅助层可以与公共层分离。

公开(公告)号：US20220328768A1

公开(公告)日：2022-10-13

申请号：US17709742

申请日：2022-03-31

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong KIM ,  Pilgu KANG ,  Hajin SONG ,  Jihwan YOON ,  Yangjin CHO ,  Jungho CHOI ,  Jaehoon HWANG

IPC: H01L51/00

Abstract: Provided are a heterocyclic compound, a light-emitting device including the heterocyclic compound, and an electronic apparatus including the light-emitting device. The heterocyclic compound is represented by Formula 1, which is explained in the specification. The light-emitting device is capable of maintaining efficiency and color expression at constant levels.

公开(公告)号：US20210202597A1

公开(公告)日：2021-07-01

申请号：US17201737

申请日：2021-03-15

Applicant: SAMSUNG DISPLAY CO., LTD.

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

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

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：US20180076267A1

公开(公告)日：2018-03-15

申请号：US15700549

申请日：2017-09-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hajin SONG ,  Byeongwook YOO ,  Jihwan YOON ,  Jaehoon HWANG

IPC: H01L27/32 ,  G09G3/3225

CPC classification number: H01L27/3211 ,  G09G3/3225 ,  G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0439 ,  H01L27/3246 ,  H01L27/326 ,  H01L51/5096 ,  H01L51/5265 ,  H01L2251/558

Abstract: An OLED display device includes a substrate including red, green, and blue pixel areas, a first electrode at each of the red pixel area, the green pixel area, and the blue pixel area on the substrate, a hole transport layer on the first electrode, a light emission portion on the hole transport layer, the light emission portion including a red light emitting layer at the red pixel area, a green light emitting layer at the green pixel area, and a blue light emitting layer at the blue pixel area, a first charge generation layer and a first resonance auxiliary layer between the hole transport layer and the blue light emitting layer, a second resonance auxiliary layer between the hole transport layer and the red light emitting layer, an electron transport layer on the light emission portion, and a second electrode on the electron transport layer.

公开(公告)号：US20240138221A1

公开(公告)日：2024-04-25

申请号：US18400296

申请日：2023-12-29

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 ,  H10K59/131 ,  H10K71/00

CPC classification number: H10K59/35 ,  H10K50/11 ,  H10K50/125 ,  H10K50/15 ,  H10K50/16 ,  H10K59/131 ,  H10K71/00 ,  H10K50/852

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：US20230064765A1

公开(公告)日：2023-03-02

申请号：US17838462

申请日：2022-06-13

Applicant: Samsung Display Co., Ltd.

Inventor： Hakchoong LEE ,  Yoonseok KA ,  Dongchan KIM ,  Jiyoung MOON ,  Hajin SONG ,  Jihwan YOON ,  Jaehoon HWANG

IPC: H01L51/52

Abstract: A display apparatus includes a first electrode on a substrate, a second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode, wherein the second electrode includes a first conductive layer including a first base metal and a first additive metal that is different from the first base metal, a second conductive layer on the first conductive layer and including a single metal material, and a third conductive layer on the second conductive layer and including a second base metal and a second additive metal that is different from the second base metal.

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.