公开(公告)号：US20220077394A1

公开(公告)日：2022-03-10

申请号：US17470884

申请日：2021-09-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Fumiaki KATO ,  Masashi TSUJI ,  Takao MOTOYAMA ,  Yusaku KONISHI ,  Keigo FURUTA ,  Takahiro FUJIYAMA ,  Tae Ho KIM ,  Won Sik YOON ,  Ha Il KWON ,  Dae Young CHUNG ,  Eun Joo JANG

IPC: H01L51/00 ,  C08G61/10 ,  C08L65/02

Abstract: A copolymer having a structural unit represented by Chemical Formula 1 is provided. The copolymer may improve performance, e.g., luminous efficiency, of an electroluminescence device. In Chemical Formula 1, the definition of each substituent is as described in the detailed description.

公开(公告)号：US20220006036A1

公开(公告)日：2022-01-06

申请号：US17358905

申请日：2021-06-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongkyu SEO ,  Kwanghee KIM ,  Eun Joo JANG ,  Won Sik YOON ,  Tae Hyung KIM ,  Tae Ho KIM

IPC: H01L51/50 ,  H01L51/56 ,  H01L51/00

Abstract: Light emitting device, method of manufacturing the light emitting device, and display device including the light emitting device are disclosed. The light emitting device includes a first electrode and a second electrode each having a surface opposite the other, a light emitting layer including quantum dots that is disposed between the first electrode and the second electrode, and an electron auxiliary layer disposed between the light emitting layer and the second electrode, wherein the electron auxiliary layer includes metal oxide nanoparticles including an anion of an organic acid bound to a surface of the metal oxide nanoparticle.

公开(公告)号：US20210359238A1

公开(公告)日：2021-11-18

申请号：US17387281

申请日：2021-07-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung Woo KIM ,  Tae Ho KIM ,  Eun Joo JANG ,  Hongkyu SEO ,  Sang Jin LEE ,  Dae Young CHUNG ,  Oul CHO

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

Abstract: A quantum dot device includes: a first electrode and a second electrode facing each other; a quantum dot layer between the first electrode and the second electrode, and an electron auxiliary layer between the quantum dot layer and the second electrode, the electron auxiliary layer including a first nanoparticle and a second nanoparticle which is larger than the first nanoparticle, wherein a work function of the first electrode is greater than a work function of the second electrode, and wherein a difference between a lowest unoccupied molecular orbital energy level of the quantum dot layer and a lowest unoccupied molecular orbital energy level of the electron auxiliary layer is less than about 1.1 electronvolts.

公开(公告)号：US20200035857A1

公开(公告)日：2020-01-30

申请号：US16442926

申请日：2019-06-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kun Su PARK ,  Tae Ho KIM ,  Sung Woo KIM ,  Chan Su KIM ,  Tae Hyung KIM ,  Eun Joo JANG

IPC: H01L33/06 ,  H01L33/00 ,  H01L33/28

Abstract: A quantum dot device including a first electrode and a second electrode facing each other, a quantum dot layer disposed between the first electrode and the second electrode and an electron auxiliary layer disposed between the quantum dot layer and the second electrode, wherein the electron auxiliary layer includes an electron-transporting material represented by Chemical Formula 1 and an electron-controlling material capable of decreasing electron mobility of the electron auxiliary layer, and a display device. Zn1-xMxO  Chemical Formula 1 In Chemical Formula 1, M and x are the same as described in the detailed description.

公开(公告)号：US20190288229A1

公开(公告)日：2019-09-19

申请号：US16351654

申请日：2019-03-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung Woo KIM ,  Chan Su KIM ,  Tae Ho KIM ,  Kun Su PARK ,  Eun Joo JANG ,  Jin A KIM ,  Tae Hyung KIM ,  Jeong Hee LEE

IPC: H01L51/50 ,  H01L51/00 ,  H01L51/42

Abstract: An electroluminescent device, a method of manufacturing the same, and a display device including the same. The 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, the emission layer including light emitting particles; an electron transport layer disposed between the first electrode and the emission layer; and a hole transport layer disposed between the second electrode and the emission layer, wherein the electron transport layer includes inorganic oxide particles and a metal-organic compound, the metal-organic compound or a thermal decomposition product of the metal-organic compound being soluble a non-polar solvent.

公开(公告)号：US20180101965A1

公开(公告)日：2018-04-12

申请号：US15713871

申请日：2017-09-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyun Woo PARK ,  Woo Jin JUN ,  Hyun Sang JUNG ,  Hun Taek HAN ,  Hyuk KANG ,  Tae Ho KIM ,  Tae Gun PARK ,  Gyu Cheol CHOI

IPC: G06T7/73 ,  H04W4/02 ,  H04N1/00

CPC classification number: G06T7/73 ,  H04N1/00204 ,  H04W4/02

Abstract: An electronic device is provided. The electronic device includes a camera, a communication circuit configured to communicate with an external electronic device, and a processor. The processor is configured to obtain an image using the camera, verify location information of the image, obtain identification information of the external electronic device from the external electronic device if the location information of the image is not verified, and determine the location information of the image based on the identification information of the external electronic device.

公开(公告)号：US20240247098A1

公开(公告)日：2024-07-25

申请号：US18614926

申请日：2024-03-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Masashi TSUJI ,  Fumiaki KATO ,  Naotoshi SUGANUMA ,  Takahiro FUJIYAMA ,  Yusaku KONISHI ,  Dae Young CHUNG ,  Ha Il KWON ,  Soonmin CHA ,  Tae Ho KIM

IPC: C08G61/12 ,  B82Y20/00 ,  H10K50/11 ,  H10K50/115 ,  H10K50/15 ,  H10K71/00 ,  H10K71/12 ,  H10K85/10 ,  H10K101/30 ,  H10K101/40 ,  H10K102/00

CPC classification number: C08G61/124 ,  H10K71/12 ,  H10K85/111 ,  H10K85/151 ,  B82Y20/00 ,  C08G2261/12 ,  C08G2261/1434 ,  C08G2261/148 ,  C08G2261/149 ,  C08G2261/3241 ,  C08G2261/512 ,  C08G2261/5222 ,  H10K50/11 ,  H10K50/115 ,  H10K50/15 ,  H10K71/00 ,  H10K2101/30 ,  H10K2101/40 ,  H10K2102/00

Abstract: A copolymer including a structural unit represented by Chemical Formula 1




wherein the copolymer is capable of improving luminous efficiency and durability, particularly, an improvement in luminescence life-span, of an electroluminescence device, particularly a quantum dot electroluminescence device.

公开(公告)号：US20240090252A1

公开(公告)日：2024-03-14

申请号：US18463385

申请日：2023-09-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung Woo KIM ,  Tae Ho KIM ,  You Jung CHUNG ,  Taehyung KIM ,  Ilyoung LEE ,  Heejae LEE ,  Moon Gyu HAN

IPC: H10K50/115 ,  C09K11/54 ,  C09K11/62 ,  H10K50/16

CPC classification number: H10K50/115 ,  C09K11/54 ,  C09K11/623 ,  H10K50/16 ,  B82Y20/00

Abstract: An electroluminescent device including a first electrode and a second electrode facing each other; a light emitting layer disposed between the first electrode and the second electrode; and an electron transport layer disposed between the light emitting layer and the second electrode. The light emitting layer includes a plurality of semiconductor nanoparticles, and the electron transport layer includes a plurality of zinc oxide nanoparticles, the zinc oxide nanoparticles further include magnesium and gallium.

公开(公告)号：US20240014358A1

公开(公告)日：2024-01-11

申请号：US18349485

申请日：2023-07-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hong Kyu SEO ,  Soonmin CHA ,  Dongchan KIM ,  Enjung KIM ,  Taehyung KIM ,  Tae Ho KIM ,  Shin Ae JUN ,  You Jung CHUNG

IPC: H01L33/56 ,  H01L33/06 ,  H01L33/00 ,  H01L33/14

CPC classification number: H01L33/56 ,  H01L33/06 ,  H01L33/005 ,  H01L33/14 ,  H01L2933/0016 ,  H01L2933/005

Abstract: An electroluminescent device that includes a first electrode and a second electrode spaced apart from each other, a light emitting layer disposed between the first electrode and the second electrode, an electron transport layer disposed between the light emitting layer and the second electrode, and an organic layer disposed on the electron transport layer. The light emitting layer includes a plurality of semiconductor nanoparticles, the electron transport layer includes a plurality of metal oxide nanoparticles, and the organic layer includes a polymeric acid compound.

公开(公告)号：US20230212335A1

公开(公告)日：2023-07-06

申请号：US18150672

申请日：2023-01-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Norihito ISHII ,  Fumiaki KATO ,  Masashi TSUJI ,  Naotoshi SUGANUMA ,  Takahiro FUJIYAMA ,  Yusaku KONISHI ,  Eun Joo JANG ,  Ha Il KWON ,  Hyo Sook JANG ,  Soonmin CHA ,  Tae Ho KIM ,  Wonsik YOON ,  Yuho WON

IPC: C08F26/12 ,  H10K50/15 ,  H10K50/17 ,  H10K85/10

CPC classification number: C08F26/12 ,  H10K50/15 ,  H10K50/17 ,  H10K85/146

Abstract: As a technology capable of improving the durability of an electroluminescent device, for example, luminescence lifespan, a polymeric compound including a structural unit represented by Chemical Formula 1, or a structural unit represented by Chemical Formula 1 and a structural unit represented by Chemical Formula 2, and an electroluminescent device material or electroluminescent device including the same are provided:




In Chemical Formula 1 and Chemical Formula 2, R11 to R14 are not the same as R41 to R44.