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.

公开(公告)号：US20230212334A1

公开(公告)日：2023-07-06

申请号：US18150337

申请日：2023-01-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: C08F26/02 ,  C08F28/06 ,  H10K85/10 ,  H10K50/15 ,  H10K50/17

CPC classification number: C08F26/02 ,  C08F28/06 ,  H10K85/111 ,  H10K85/113 ,  H10K50/15 ,  H10K50/17 ,  H10K2102/331

Abstract: A polymer including a structural unit represented by Chemical Formula 1, an electroluminescence device material including the polymer, an electroluminescence device including the polymer or the electroluminescence device material, and an electronic device including the electroluminescence device are provided:




In Chemical Formula 1, the definition of each substituent is the same as described in the specification.

公开(公告)号：US20220195110A1

公开(公告)日：2022-06-23

申请号：US17559388

申请日：2021-12-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: C08G61/12 ,  H01L51/00

Abstract: A copolymer, including a structural unit represented by Chemical Formula 1, a structural unit represented by Chemical Formula 2, or a combination thereof: wherein R1, R2, R3, X1, X2, and Ar1 are as provided herein.

公开(公告)号：US20210288258A1

公开(公告)日：2021-09-16

申请号：US17193078

申请日：2021-03-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Masashi TSUJI ,  Takahiro FUJIYAMA ,  Yusaku KONISHI ,  Dae Young CHUNG ,  Fumiaki KATO ,  Jaejun CHANG ,  Keigo FURUTA ,  Takao MOTOYAMA ,  Eun Joo JANG ,  Hyo Sook JANG ,  Tae Ho KIM ,  Tomoyuki KIKUCHI ,  Yuho WON

IPC: H01L51/00 ,  C08G61/12 ,  C09K11/06

Abstract: The present disclosure provides a technique capable of improving durability (particularly luminescence life-span) of an electroluminescence. In order to solve the above problems, the present disclosure provides an arylamine-fluorene alternating copolymer having a structural unit (A) represented by Chemical Formula (1).

公开(公告)号：US20210135139A1

公开(公告)日：2021-05-06

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

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：US20210091325A1

公开(公告)日：2021-03-25

申请号：US17008779

申请日：2020-09-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chan Su KIM ,  Kun Su PARK ,  Tae Ho KIM ,  Eun Joo JANG ,  Dae Young CHUNG

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

Abstract: A light emitting device including a first electrode, a second electrode, a quantum dot layer disposed between the first electrode and the second electrode and a first auxiliary layer disposed between the quantum dot layer and the first electrode, wherein the first auxiliary layer includes nickel oxide nanoparticles having an average particle diameter of less than or equal to about 10 nanometers (nm) and an organic ligand, a method of manufacturing the light emitting device, and a display device including the same.

公开(公告)号：US20210057664A1

公开(公告)日：2021-02-25

申请号：US17083832

申请日：2020-10-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tae Ho KIM ,  Won Sik YOON ,  Jeong Hee LEE ,  Eun Joo JANG ,  Oul CHO

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

Abstract: 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 including a quantum dot, an electron auxiliary layer disposed between the emissive layer and the second electrode and including a plurality of nanoparticles, and a polymer layer between a portion of the second electrode and the electron auxiliary layer, wherein the nanoparticles include a metal oxide including zinc, wherein the second electrode has a first surface facing a surface of the electron auxiliary layer and a second surface opposite to the first surface, and the polymer layer is disposed on a portion of the second surface and a portion of the surface of the electron auxiliary layer, and wherein the polymer layer includes a polymerization product of a thiol compound and an unsaturated compound having at least two carbon-carbon unsaturated bonds.

公开(公告)号：US20190198796A1

公开(公告)日：2019-06-27

申请号：US15970252

申请日：2018-05-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H01L51/50 ,  G09G3/3208 ,  H01L51/52 ,  H05B33/20

CPC classification number: H01L51/5072 ,  G09G3/3208 ,  H01L51/5024 ,  H01L51/504 ,  H01L51/5056 ,  H01L51/5076 ,  H01L51/508 ,  H01L51/5203 ,  H01L2251/5369 ,  H05B33/20

Abstract: An electroluminescent device, a method of manufacturing the same, and a display device including the same are disclosed. The electroluminescent device electroluminescent device includes a first electrode; a hole transport layer disposed on the first electrode; an emission layer disposed on the hole transport layer and including at least two light emitting particles; a first electron transport layer disposed on the emission layer and including at least two inorganic-organic composite particles; a second electron transport layer disposed on the first electron transport layer and including at least two inorganic oxide particles; and a second electrode disposed on the second electron transport layer, wherein the first electron transport layer has a lower work function than the second electron transport layer.

公开(公告)号：US20190034160A1

公开(公告)日：2019-01-31

申请号：US16047142

申请日：2018-07-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Joo Yoo KIM ,  Jun Hui KIM ,  Ji Eun KIM ,  Tae Ho KIM ,  Dong Hyun ROH ,  Hyun Gi AHN ,  Da Som LEE ,  Seung Eun LEE

IPC: G06F3/16 ,  G06F3/0488 ,  G06F3/0484 ,  G06F9/451

Abstract: An electronic device includes a microphone, a processor, and a memory. The memory stores an application for monitoring user information, and the memory stores instructions that, when executed by the processor, cause the electronic device to record a plurality of parameters associated with the user information in the application when a predefined event occurs to record a first parameter and the first parameter is not recorded in the application, to output a message for obtaining the first parameter, to receive a user response associated with the first parameter, to transmit data associated with the user response to an external server, to receive a first response from the external server, and to record the first parameter in the application by allowing the electronic device to have information about sequences of states of the electronic device. The first response includes information about sequences of states of the electronic device for recording the first parameter in the application.