公开(公告)号：US20190296091A1

公开(公告)日：2019-09-26

申请号：US16435335

申请日：2019-06-07

Applicant: Samsung Display Co., Ltd.

Inventor： Byeongwook Yoo ,  Jiyoung Kwon ,  Yoonmo Song ,  Jihwan Yoon ,  Sangwoo Pyo

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

Abstract: An organic light-emitting device including: a plurality of first electrodes that are respectively patterned according to first, second, and third sub-pixels; a second electrode facing the plurality of first electrodes; a plurality of emission layers between the plurality of first electrodes and the second electrode; a hole transport region between the plurality of first electrodes and the plurality of emission layers; and at least one selected from a first auxiliary layer and a second auxiliary layer. The first auxiliary layer may be between the hole transport region and the first emission layer, the second auxiliary layer may be between the hole transport region and the second emission layer, and at least one selected from the first auxiliary layer and the second auxiliary layer may include a first compound represented by Formula 1:

公开(公告)号：US20190221756A1

公开(公告)日：2019-07-18

申请号：US16051231

申请日：2018-07-31

Applicant: Samsung Display Co., Ltd.

Inventor： Byeongwook Yoo ,  Sunwoo Kang ,  Myeongsuk Kim ,  Hyoyeon Kim ,  Jimyoung Ye ,  Jihwan Yoon

IPC: H01L51/00 ,  H01L51/50 ,  C07F15/00

CPC classification number: H01L51/0085 ,  C07F15/0033 ,  H01L51/5004 ,  H01L51/5016 ,  H01L51/5024 ,  H01L51/5056 ,  H01L51/5072

Abstract: Provided are an organometallic compound represented by Formula 1, an organic light-emitting device including the organometallic compound, 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.

公开(公告)号：US20190214437A1

公开(公告)日：2019-07-11

申请号：US16355605

申请日：2019-03-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sangwoo Pyo ,  Hajin Song ,  Jihwan Yoon ,  Heunseung Lee

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

CPC classification number: H01L27/3211 ,  H01L51/504 ,  H01L51/5218 ,  H01L51/5265

Abstract: A display device includes a substrate having a red pixel region, a blue pixel region, and a green pixel region. An anode is on the substrate, a light-emitting layer is on the anode, and a cathode is on the light-emitting layer, wherein the light-emitting layer includes a red light-emitting layer emitting red light on the red pixel region, a blue light-emitting layer emitting blue light on the blue pixel region, and a green light-emitting layer emitting green light on the red pixel region, the blue pixel region, and the green pixel region. Each of the red light, the blue light, and the green light is resonated between the anode and the cathode.

公开(公告)号：US10297644B2

公开(公告)日：2019-05-21

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 ,  H01L51/50 ,  H01L51/52 ,  G09G3/3225 ,  G09G3/3233

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：US10008684B2

公开(公告)日：2018-06-26

申请号：US15138601

申请日：2016-04-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sangwoo Pyo ,  Jihwan Yoon ,  Hyoyeon Kim

IPC: H01L29/08 ,  H01L51/50 ,  H01L51/52

CPC classification number: H01L51/5096 ,  H01L27/3211 ,  H01L51/5024 ,  H01L51/5036 ,  H01L51/5044 ,  H01L51/5056 ,  H01L51/5064 ,  H01L51/5072 ,  H01L51/5076 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5206 ,  H01L51/5228 ,  H01L2251/308

Abstract: An organic light-emitting device, including a first sub-organic light-emitting device including a first emission layer, a first common emission part, a first buffer part, a first doping part, and a first cathode part, sequentially stacked; a second sub-organic light-emitting device including a second emission layer, a second common emission part, a second buffer part, a second doping part, and a second cathode part, sequentially stacked; and a third sub-organic light-emitting device including a third common emission part, a third buffer part, a third doping part, and a third cathode part, sequentially stacked, the first through third common emission parts integrated with one another as one body, the first through third buffer parts integrated with one another as one body, the first through third doping parts integrated with one another as one body, and the first through third cathode parts integrated with one another as one body.

公开(公告)号：US09711746B2

公开(公告)日：2017-07-18

申请号：US14692638

申请日：2015-04-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Changmin Lee ,  Hyunju Choi ,  Jihwan Yoon

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

CPC classification number: H01L51/5036 ,  H01L27/3206 ,  H01L27/3209 ,  H01L27/3211 ,  H01L27/3216 ,  H01L27/3218 ,  H01L27/3244 ,  H01L51/5012 ,  H01L51/5024 ,  H01L51/504 ,  H01L51/5056 ,  H01L51/5064 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5265 ,  H01L2251/558

Abstract: An organic light emitting diode display includes: a substrate; and a plurality of red organic light emitting diodes, green organic light emitting diodes, and blue organic light emitting diodes on the substrate, each of the plurality of red organic light emitting diodes, green organic light emitting diodes, and blue organic light emitting diodes including: a first electrode on the substrate; an organic layer on the first electrode; and a second electrode on the organic layer, and the organic layer includes a light emission auxiliary layer on the first electrode and an organic light emitting layer on the light emission auxiliary layer, and the organic layer of each of the red organic light emitting diodes has a thickness of about 90 to 110 nm.

公开(公告)号：US09246119B2

公开(公告)日：2016-01-26

申请号：US13923265

申请日：2013-06-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jihye Shim ,  Jihwan Yoon ,  Chang-ho Lee ,  Jinyoung Yun

IPC: H01L51/56 ,  H01L51/50 ,  H01L51/52 ,  H01L27/32

CPC classification number: H01L51/5036 ,  H01L27/3211 ,  H01L51/5265

Abstract: An organic electroluminescent device includes a plurality of main pixels. Each of the main pixels includes red, green, and blue sub-pixels. Each of the sub-pixels includes a first electrode, a second electrode opposite to the first electrode, and an organic light emitting layer between the first and second electrode. The organic light emitting layer of each of the sub-pixels includes a blue light emitting layer and a green light emitting layer. Optical microresonator distances of the red, green, and blue sub-pixels are different from each other.

Abstract translation: 有机电致发光器件包括多个主像素。 每个主要像素包括红色，绿色和蓝色子像素。 每个子像素包括第一电极，与第一电极相对的第二电极和在第一和第二电极之间的有机发光层。 每个子像素的有机发光层包括蓝色发光层和绿色发光层。 红色，绿色和蓝色子像素的光学微谐振器距离彼此不同。

公开(公告)号：US12302686B2

公开(公告)日：2025-05-13

申请号：US18444740

申请日：2024-02-18

Applicant: Samsung Display Co., LTD.

Inventor： Dongchan Kim ,  Jiyoung Moon ,  Heechang Yoon ,  Jihye Lee ,  Hakchoong Lee ,  Haemyeong Lee ,  Myungsuk Han ,  Jihwan Yoon ,  Jonghyuk Lee ,  Yoonhyeung Cho

IPC: H10K50/17 ,  H10K50/15 ,  H10K50/16 ,  H10K59/12 ,  H10K59/40

Abstract: A light-emitting device and an apparatus including the same include a first electrode, a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes m emission units and (m−1) charge generating units, each of the charge generating units being between the emission units that are adjacent to each other, m is a natural number of 2 or greater, at least one of the (m−1) charge generating units includes an n-type charge generating layer, a p-type charge generating layer, and a p-type hole injection layer, wherein the n-type charge generating layer includes an n-type organic compound and a metal material, and wherein the p-type charge generating layer and the p-type hole injection layer each independently include an inorganic semiconductor material.

公开(公告)号：US12274123B2

公开(公告)日：2025-04-08

申请号：US17591091

申请日：2022-02-02

Applicant: Samsung Display Co., Ltd.

Inventor： Jimyoung Ye ,  Seulong Kim ,  Hajin Song ,  Jihwan Yoon ,  Hyekyun Lee ,  Dongseob Jeong ,  Jaehoon Hwang

IPC: H01L33/00 ,  H10K50/13 ,  H10K50/852 ,  H10K59/38 ,  H10K101/00

Abstract: A light emitting device includes: a first electrode; a hole transport region disposed on the first electrode; a first emission layer disposed on the hole transport region, and which emits light of a first wavelength; a second emission layer disposed on the hole transport region, and which emits light of a second wavelength different from the first wavelength; an electron transport region disposed on the first emission layer and the second emission layer; a second electrode disposed on the electron transport region; and a capping layer disposed on the second electrode. In exit light emitted to an upper surface of the capping layer, the exit light has a maximum intensity at an azimuth angle of about 25° to about 35°.

公开(公告)号：US12193253B2

公开(公告)日：2025-01-07

申请号：US17575583

申请日：2022-01-13

Applicant: Samsung Display Co., Ltd.

Inventor： Jimyoung Ye ,  Seulong Kim ,  Hyekyun Lee ,  Hajin Song ,  Jihwan Yoon ,  Dongseob Jeong ,  Jaehoon Hwang

IPC: H10K50/13 ,  H10K50/11 ,  H10K50/19 ,  H10K59/122 ,  H10K59/38 ,  H10K101/00 ,  H10K101/10

Abstract: A light emitting devices includes a first electrode, a hole transport region on the first electrode, a first emission layer on the hole transport region, the first emission layer to emit light of a first wavelength, a second emission layer on the hole transport region and to emit light of a second wavelength, an electron transport region on the first and second emission layers, and a second electrode on the electron transport region. The first emission layer includes a first sub-emission layer including a first hole transport host and a first sub-dopant to emit the light of the first wavelength, and a second sub-emission layer including a first electron transport and a second sub-dopant to emit the light of the first wavelength. The second emission layer includes a second hole transport host, a second electron transport host, and a second dopant to emit the light of the second wavelength.