公开(公告)号：US11690242B2

公开(公告)日：2023-06-27

申请号：US17688201

申请日：2022-03-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Moon Gyu Han ,  Kwanghee Kim ,  Heejae Lee ,  Eun Joo Jang ,  Dae Young Chung

IPC: H01L51/52 ,  C09K11/88 ,  H01L51/00 ,  H01L51/50

CPC classification number: H01L51/5278 ,  C09K11/883 ,  H01L51/0072 ,  H01L51/502

Abstract: Provided are a light emitting device includes a first electrode and a second electrode facing each other; an emissive layer disposed between the first electrode and the second electrode and a display device including the same. The emissive layer comprises: a first emission layer disposed on the first electrode and having a hole transporting property; a second emission layer and a third emission layer disposed on the first emission layer; wherein the second emission layer comprises an organic compound having a bipolar transport property and the third emission layer has a composition different from the first emission layer and the second emission layer; wherein the first emission layer, the second emission layer, and the third emission layer comprises a plurality of quantum dots, and wherein the first emission layer, the second emission layer, and the third emission layer are configured to emit light of a same color.

公开(公告)号：US11271190B2

公开(公告)日：2022-03-08

申请号：US16857727

申请日：2020-04-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Moon Gyu Han ,  Kwanghee Kim ,  Heejae Lee ,  Eun Joo Jang ,  Dae Young Chung

IPC: H01L51/52 ,  C09K11/88 ,  H01L51/00 ,  H01L51/50

Abstract: Provided are a light emitting device includes a first electrode and a second electrode facing each other; an emissive layer disposed between the first electrode and the second electrode and a display device including the same. The emissive layer comprises: a first emission layer disposed on the first electrode and having a hole transporting property; a second emission layer and a third emission layer disposed on the first emission layer; wherein the second emission layer comprises an organic compound having a bipolar transport property and the third emission layer has a composition different from the first emission layer and the second emission layer; wherein the first emission layer, the second emission layer, and the third emission layer comprises a plurality of quantum dots, and wherein the first emission layer, the second emission layer, and the third emission layer are configured to emit light of a same color.

公开(公告)号：US11038136B2

公开(公告)日：2021-06-15

申请号：US16811637

申请日：2020-03-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Moon Gyu Han ,  Dae Young Chung ,  Kwanghee Kim ,  Eun Joo Jang ,  Chan Su Kim ,  Kun Su Park ,  Won Sik Yoon

IPC: H01L51/50 ,  H01L51/56

Abstract: An electroluminescent device includes a first electrode and a second electrode facing each other; an emission layer disposed between the first electrode and the second electrode and including a plurality of quantum dots and a first hole transporting material having a substituted or unsubstituted C4 to C20 alkyl group attached to a backbone structure; a hole transport layer disposed between the emission layer and the first electrode and including a second hole transporting material; and an electron transport layer disposed between the emission layer and the second electrode.

公开(公告)号：US10950800B2

公开(公告)日：2021-03-16

申请号：US15962230

申请日：2018-04-25

Applicant: Samsung Electronics Co., Ltd. ,  IMPERIAL INNOVATIONS LIMITED

Inventor： Moon Gyu Han ,  Kyung Bae Park ,  Yong Wan Jin ,  Chul Joon Heo ,  Brett Baatz ,  Martin Heeney ,  Minwon Suh ,  Yang Han ,  Ji-Seon Kim

IPC: C07D495/00 ,  H01L51/00 ,  C07D487/04 ,  H01L27/30 ,  H01L51/42 ,  H01L51/05

Abstract: A compound for an infrared light sensing device may be represented by a particular chemical formula and may be included in an infrared light sensing device. An image sensor may include the infrared light sensing device, and an electronic device may include the image sensor.

公开(公告)号：US10224486B2

公开(公告)日：2019-03-05

申请号：US15272580

申请日：2016-09-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Tadao Yagi ,  Rie Sakurai ,  Hyesung Choi ,  Tatsuya Imase ,  Hiromasa Shibuya ,  Sung Young Yun ,  Gae Hwang Lee ,  Kwang Hee Lee ,  Dong-Seok Leem ,  Seon-Jeong Lim ,  Xavier Bulliard ,  Yong Wan Jin ,  Yeong Suk Choi ,  Moon Gyu Han

IPC: H01L51/00 ,  H01L51/42 ,  H01L27/30 ,  C07D333/36 ,  C07D345/00

Abstract: A compound for an organic photoelectric device is represented by Chemical Formula 1. An organic photoelectric device includes a first electrode and a second electrode facing each other, and an active layer including the compound represented by Chemical Formula 1 between the first electrode and the second electrode.

公开(公告)号：US10008544B2

公开(公告)日：2018-06-26

申请号：US15145248

申请日：2016-05-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyung Bae Park ,  Yong Wan Jin ,  Moon Gyu Han

IPC: H01L29/08 ,  H01L27/30 ,  H01L27/146 ,  H01L51/44 ,  H01L51/00

CPC classification number: H01L27/307 ,  H01L27/14645 ,  H01L27/14649 ,  H01L51/0046 ,  H01L51/005 ,  H01L51/0067 ,  H01L51/0068 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0078 ,  H01L51/008 ,  H01L51/44 ,  H01L51/441

Abstract: An image sensor includes at least one first pixel configured to sense light in a visible light wavelength spectrum and a second pixel configured to sense light in an infrared light wavelength spectrum. The second pixel includes a first photoelectric device defined in the second pixel. The first photoelectric device includes an infrared light absorption layer between a first electrode and a second electrode and configured to selectively absorb light in an infrared spectrum. The second pixel may be configured to compensate the luminance sensitivity of the image sensor. The first and second pixels may be included in a unit pixel group. The image sensor may include an array of multiple unit pixel groups arranged in one or more rows and one or more columns.

公开(公告)号：US11812627B2

公开(公告)日：2023-11-07

申请号：US17512067

申请日：2021-10-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongkyu Seo ,  Eun Joo Jang ,  Moon Gyu Han ,  Tae Ho Kim ,  Dae Young Chung

IPC: H10K50/115 ,  C09K11/88 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/18 ,  H10K50/17 ,  H10K71/00 ,  B82Y20/00 ,  H10K101/40 ,  H10K101/30

CPC classification number: H10K50/115 ,  C09K11/883 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/167 ,  H10K50/171 ,  H10K50/18 ,  H10K71/00 ,  B82Y20/00 ,  H10K2101/30 ,  H10K2101/40

Abstract: A quantum dot device including an anode; a cathode disposed substantially opposite to the anode; a hole injection layer disposed on the anode between the anode and the cathode; a hole transport layer disposed on the hole injection layer between the hole injection layer and the cathode; and a quantum dot layer disposed on the hole transport layer between the hole transport layer and the cathode, wherein the quantum dot layer includes a plurality of quantum dots, wherein the hole transport layer includes a hole transport material and an electron transport material, and wherein a lowest unoccupied molecular orbital (LUMO) energy level of the electron transport material and a lowest unoccupied molecular orbital (LUMO) energy level of the quantum dot layer is about 0.5 electron volts or less.

公开(公告)号：US11476434B2

公开(公告)日：2022-10-18

申请号：US17085923

申请日：2020-10-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Heejae Lee ,  Moon Gyu Han ,  Sung Woo Kim ,  Tae Ho Kim ,  Kun Su Park ,  Eun Joo Jang ,  Dae Young Chung

IPC: H01L51/50 ,  H01L51/00

Abstract: An electroluminescent device includes a first electrode and a second electrode facing each other, and a light emitting layer disposed between the first electrode and the second electrode, where the light emitting layer includes a first light emitting layer including a first quantum dot and a second light emitting layer including a second quantum dot and an n-type metal oxide.

公开(公告)号：US11127912B2

公开(公告)日：2021-09-21

申请号：US16512954

申请日：2019-07-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongkyu Seo ,  Moon Gyu Han ,  Eun Joo Jang ,  Sujin Park ,  Dae Young Chung

IPC: H01L51/50 ,  H01L33/50 ,  H01L51/44

Abstract: A light emitting device including a first electrode and a second electrode facing each other, an emission layer disposed between the first electrode and the second electrode, the emission layer including quantum dots, and an electron auxiliary layer disposed between the emission layer and the second electrode, the electron auxiliary layer including nanoparticles and a small molecule organic compound and a display device including the same. The nanoparticles include a metal oxide including zinc, and an electron mobility of the small molecule organic compound is less than an electron mobility of the nanoparticles.

公开(公告)号：US11005060B2

公开(公告)日：2021-05-11

申请号：US16356148

申请日：2019-03-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dae Young Chung ,  Moon Gyu Han ,  Oul Cho ,  Tae Hyung Kim ,  Sujin Park ,  Hongkyu Seo ,  Eun Joo Jang

IPC: H01L51/50 ,  H01L51/00 ,  H01L51/56 ,  H01L33/06 ,  H01L33/08 ,  H01L27/32

Abstract: An electroluminescent device including a first electrode, a hole transport layer disposed on the first electrode, a first emission layer disposed on the hole transport layer, the first emission layer including a first light emitting particle on which a first ligand having a hole transporting property is attached, a second emission layer disposed on the first emission layer, the second emission layer including a second light emitting particle on which a second ligand having an electron transporting property is attached, an electron transport layer disposed on the second emission layer, and a second electrode disposed on the electron transport layer, wherein a solubility of the first ligand in a solvent is different than a solubility of the second ligand in the solvent and a display device including the same.