公开(公告)号：US11348974B2

公开(公告)日：2022-05-31

申请号：US16813497

申请日：2020-03-09

Applicant: Samsung Display Co., Ltd.

Inventor： Pyungeun Jeon ,  Ilsoo Oh ,  Bora Lee ,  Yujin Kang ,  Juwon Lee

IPC: H01L51/50 ,  H01L27/32 ,  C07F5/02 ,  C09K11/06 ,  H01L51/00 ,  H01L51/52 ,  H01L51/56

Abstract: A light-emitting device includes: a plurality of first electrodes respectively in a first sub-pixel, a second sub-pixel, and a third sub-pixel; a second electrode facing the plurality of first electrodes; a first emission layer in the first sub-pixel and configured to emit a first color light; a second emission layer in the second sub-pixel and configured to emit a second color light; a first layer that is integrated with the first sub-pixel, the second sub-pixel, and the third sub-pixel; a first auxiliary layer between the first layer and the first emission layer; and a first intermediate layer between the first auxiliary layer and the first emission layer. The first emission layer includes a first host and a first dopant. The first dopant is configured to emit light having a full width at half maximum (FWHM) of about 35 nm or more.

公开(公告)号：US09711579B2

公开(公告)日：2017-07-18

申请号：US15201106

申请日：2016-07-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Il Soo Oh ,  Chang Ho Lee ,  Ji Hwan Yoon ,  Dae Yup Shin ,  Hee Joo Ko ,  Se Jin Cho ,  Jin Young Yun ,  Bora Lee ,  Yeon-Woo Lee ,  Beom Joon Kim ,  Pyung Eun Jeon ,  Hyun Ju Choi ,  Joong Won Sim ,  In Jae Lee

IPC: H01L29/20 ,  H01L33/00 ,  H01L27/32 ,  H01L51/00 ,  H01L51/52 ,  H01L51/50

CPC classification number: H01L27/3258 ,  H01L27/3211 ,  H01L27/3216 ,  H01L27/3244 ,  H01L27/3262 ,  H01L51/0059 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0078 ,  H01L51/0085 ,  H01L51/009 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5096 ,  H01L51/5203 ,  H01L2251/558

Abstract: An organic light emitting diode (OLED) display includes a substrate, a thin film transistor disposed on the substrate, a first electrode disposed on the thin film transistor and electrically connected to the thin film transistor, a first auxiliary layer disposed on the first electrode, an emission layer disposed on the first auxiliary layer, an electron transport layer disposed on the emission layer, a first buffer layer disposed on the electron transport layer, and a second electrode disposed on the first buffer layer.

公开(公告)号：US11950499B2

公开(公告)日：2024-04-02

申请号：US17240590

申请日：2021-04-26

Applicant: Samsung Display Co., Ltd.

Inventor： Bora Lee ,  Hyomin Ko ,  Ilsoo Oh

IPC: H10K85/60 ,  G02B5/20 ,  G02B5/30 ,  H01L33/50 ,  H10K50/84 ,  H10K50/15 ,  H10K50/17 ,  H10K50/18

CPC classification number: H10K85/636 ,  G02B5/20 ,  G02B5/30 ,  H01L33/50 ,  H10K85/624 ,  H10K85/6572 ,  H10K50/15 ,  H10K50/171 ,  H10K50/18

Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer disposed between the first electrode and the second electrode and including an emission layer, a first capping layer, and a second capping layer. A refractive index of the first capping layer is greater than a refractive index of the second capping layer, and the first capping layer and the second capping layer are each an organic layer. An electronic apparatus including the light-emitting device is also provided.

公开(公告)号：US20220285619A1

公开(公告)日：2022-09-08

申请号：US17450175

申请日：2021-10-07

Applicant: Samsung Display Co., Ltd.

Inventor： Daewoong LEE ,  Hyomin KO ,  Bora Lee

IPC: H01L51/00 ,  C07C211/61 ,  C09K11/06 ,  C07D209/86

Abstract: Provided are a light-emitting device and an electronic apparatus including the same. The light-emitting device includes: an anode; a cathode; an interlayer including an emission layer between the anode and the cathode; and a hole transport region between the anode and the emission layer, wherein the hole transport region includes a first layer and a second layer, the first layer is between the anode and the second layer, the first layer includes a first compound represented by Formula 1, the second layer includes a second compound, and a charge mobility of the first compound is lower than a charge mobility of the second compound.

公开(公告)号：US09773846B2

公开(公告)日：2017-09-26

申请号：US15196074

申请日：2016-06-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ilsoo Oh ,  Bora Lee

IPC: H01L51/54 ,  H01L27/32 ,  H01L51/52 ,  H01L51/50 ,  H01L33/08 ,  H01L33/14

CPC classification number: H01L27/3211 ,  H01L27/322 ,  H01L27/3244 ,  H01L33/08 ,  H01L33/14 ,  H01L51/504 ,  H01L51/5044 ,  H01L51/5218 ,  H01L51/5221 ,  H01L51/5268 ,  H01L51/5278 ,  H01L2251/5369

Abstract: A blue organic light emitting device including a first electrode, a second electrode facing the first electrode, a first charge generating layer disposed between the first electrode and the second electrode, a first emission layer disposed between the first electrode and the first charge generating layer and emitting first blue light having a first wavelength region, and a second emission layer disposed between the first charge generating layer and the second electrode and emitting second blue light having a second wavelength region different from the first wavelength region. The blue organic light emitting device finally emits blue light.

公开(公告)号：US09391124B2

公开(公告)日：2016-07-12

申请号：US14315854

申请日：2014-06-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Il Soo Oh ,  Chang Ho Lee ,  Ji Hwan Yoon ,  Dae Yup Shin ,  Hee Joo Ko ,  Se Jin Cho ,  Jin Young Yun ,  Bora Lee ,  Yeon-Woo Lee ,  Beom Joon Kim ,  Pyung Eun Jeon ,  Hyun Ju Choi ,  Joong Won Sim ,  In Jae Lee

IPC: H01L29/20 ,  H01L33/00 ,  H01L27/32 ,  H01L51/00 ,  H01L51/50

CPC classification number: H01L27/3258 ,  H01L27/3211 ,  H01L27/3216 ,  H01L27/3244 ,  H01L27/3262 ,  H01L51/0059 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0078 ,  H01L51/0085 ,  H01L51/009 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5096 ,  H01L51/5203 ,  H01L2251/558

Abstract: An organic light emitting diode (OLED) display includes a substrate, a thin film transistor disposed on the substrate, a first electrode disposed on the thin film transistor and electrically connected to the thin film transistor, a first auxiliary layer disposed on the first electrode, an emission layer disposed on the first auxiliary layer, an electron transport layer disposed on the emission layer, a first buffer layer disposed on the electron transport layer, and a second electrode disposed on the first buffer layer.

Abstract translation: 有机发光二极管（OLED）显示器包括：衬底，设置在衬底上的薄膜晶体管，设置在薄膜晶体管上并电连接到薄膜晶体管的第一电极，设置在第一电极上的第一辅助层， 设置在第一辅助层上的发射层，设置在发射层上的电子传输层，设置在电子传输层上的第一缓冲层和设置在第一缓冲层上的第二电极。