公开(公告)号：US20230193122A1

公开(公告)日：2023-06-22

申请号：US17960284

申请日：2022-10-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junehyuk Jung ,  Jaebok Chang ,  Sungjae Kim ,  Juo Nam ,  Donghee Lee ,  Taekjoon Lee

IPC: C09K11/02 ,  C09K11/88 ,  C09K11/08

CPC classification number: C09K11/025 ,  C09K11/883 ,  C09K11/0883 ,  B82Y20/00

Abstract: Provided are a method of preparing a quantum dot, a quantum dot prepared thereby, and an electronic apparatus including the quantum dot. The method includes: preparing a core including a Group III element, a Group V element, and gallium (Ga); and preparing a shell covering the core by using a composition for forming the shell. The composition for forming the shell includes a first additive, and the first additive is a metal halide.

公开(公告)号：US11441071B2

公开(公告)日：2022-09-13

申请号：US16702773

申请日：2019-12-04

Applicant: Samsung Display Co., Ltd.

Inventor： Bong-Kyun Kim ,  JinSeuk Kim ,  SeungBo Shim ,  ShinHyuk Choi ,  Seung-Hee Kim ,  Donghee Lee

IPC: C09K13/08 ,  H01L29/45 ,  H01L21/3213 ,  H01L27/12 ,  C23F1/10 ,  C23F1/16 ,  C09K13/00 ,  C23F1/02 ,  C23F1/18 ,  C23F1/26 ,  C23F1/44 ,  G03F7/20 ,  H01L21/306 ,  H01L21/311 ,  C09K13/06 ,  G02F1/1368

Abstract: An etchant composition of an embodiment includes a persulfate, a four-nitrogen ring compound, a two-chlorine compound, a fluorine compound and water, and has a weight ratio of the four-nitrogen ring compound and the two-chlorine compound of about 1:0.5 to about 1:4. The etchant composition may etch a multilayer metal substrate of titanium/copper and may be used for manufacturing a multilayer metal pattern and an array substrate having excellent properties of etched patterns.

公开(公告)号：US10910412B2

公开(公告)日：2021-02-02

申请号：US16356551

申请日：2019-03-18

Applicant: Samsung Display Co., Ltd.

Inventor： Bong-Kyun Kim ,  Jinsuek Kim ,  Seungbo Shim ,  Shinhyuk Choi ,  Woonhyung Shim ,  Donghee Lee

IPC: H01L27/12 ,  H01L21/3213 ,  G02F1/1362 ,  C09K13/06 ,  C09K13/08

Abstract: An etchant composition including a persulfate, a four-nitrogen ring compound, a carbonyl ring compound having two or more carbonyl groups, and water, and having a weight ratio of the four-nitrogen ring compound and the carbonyl ring compound of about 1:0.1 to about 1:2. The etchant composition may etch a multilayer of titanium/copper and may be used for manufacturing a metal pattern and an array substrate having excellent properties of an etched pattern.

公开(公告)号：US12226748B2

公开(公告)日：2025-02-18

申请号：US17236985

申请日：2021-04-21

Applicant: Samsung Display Co., Ltd.

Inventor： Donghee Lee ,  Chul Soon Park ,  Junghoon Song

IPC: B01J19/12 ,  B01F33/452 ,  B01F35/95 ,  B01J19/00 ,  H01F7/02 ,  H05K9/00 ,  B01F35/90 ,  B01F101/00 ,  B82Y30/00 ,  B82Y40/00

Abstract: A stirrer includes a magnetic bar and a microwave absorbing layer around the magnetic bar. The stirrer absorbs a microwave and converts the microwave to thermal energy to heat the mixed solution reactant.

公开(公告)号：US20240318074A1

公开(公告)日：2024-09-26

申请号：US18496793

申请日：2023-10-27

Applicant: Samsung Display Co., Ltd.

Inventor： Youngsik Kim ,  Sungjae Kim ,  Seungwon Park ,  Bitna Yoon ,  Donghee Lee ,  Junehyuk Jung

IPC: C09K11/62 ,  C09K11/58 ,  H10K50/115

CPC classification number: C09K11/621 ,  C09K11/582 ,  H10K50/115

Abstract: A quantum dot including a core represented by Formula 1, a method of manufacturing the quantum dot, and a light-emitting device and an apparatus including the quantum dot are provided:


M1aM2bM3cM4dM5e,  Formula 1



wherein M1 is a Group I metal element, M2 and M3 are each independently a Group III metal element, and M4 and M5 are each independently a Group VI element; and a is 0.05 to 0.60, b is 0 to 1.4, c is 0 to 1.4, d is 0 to 2.0, and e is 0 to 2.0.

公开(公告)号：US20240199950A1

公开(公告)日：2024-06-20

申请号：US18537079

申请日：2023-12-12

Applicant: Samsung Display Co., LTD.

Inventor： Junehyuk Jung ,  Sungjae Kim ,  Youngsik Kim ,  Seungwon Park ,  Bitna Yoon ,  Donghee Lee

IPC: C09K11/62 ,  C09K11/58

CPC classification number: C09K11/623 ,  C09K11/584

Abstract: Provided are a quantum dot, a method of preparing the same, and an electronic apparatus including the same, the quantum dot including a core including copper (Cu), a Group III element, a Group VI element, and gallium (Ga), a first shell covering the core, and a second shell covering the first shell, wherein the first shell includes a Group III-VI compound.

公开(公告)号：US20220228052A1

公开(公告)日：2022-07-21

申请号：US17560951

申请日：2021-12-23

Applicant: Samsung Display Co., Ltd.

Inventor： Chulsoon Park ,  Donghee Lee

IPC: C09K11/02 ,  C01G15/00 ,  C09K11/70

Abstract: A quantum dot-containing material includes: a quantum dot; and at least one ligand chemically bonded to the surface of the quantum dot and represented by a certain formula. A composition and an electronic apparatus, each include the quantum dot-containing material.

公开(公告)号：US11985882B2

公开(公告)日：2024-05-14

申请号：US17930323

申请日：2022-09-07

Applicant: Samsung Display Co., Ltd.

Inventor： Baek Hee Lee ,  Minwoo Kim ,  Jaejin Lyu ,  Donghee Lee ,  Junwoo Lee ,  Taekjoon Lee ,  Hyung-Il Jeon

IPC: H10K59/38 ,  H01L27/15 ,  H10K50/115 ,  H10K50/854 ,  H10K71/00

CPC classification number: H10K59/38 ,  H01L27/156 ,  H10K50/115 ,  H10K50/854 ,  H10K71/00

Abstract: Disclosed are display panels and methods of fabricating the same. The display panel includes a base substrate having a pixel area and a peripheral area adjacent to the pixel area, a light emitting element on the base substrate to generate a first light and overlapping the pixel area, a light control layer on the light emitting element to convert the first light into a white light, and a color filter layer on the light control layer and includes a first color filter that allows penetration of the first light, a second color filter that allows penetration of a second light different from the first light, and a third color filter that allows penetration of a third light different from the first light and the second light.

公开(公告)号：US20230183568A1

公开(公告)日：2023-06-15

申请号：US18062727

申请日：2022-12-07

Applicant: Samsung Display Co., Ltd.

Inventor： Juo Nam ,  Jaebok Chang ,  Junehyuk Jung ,  Sungjae Kim ,  Donghee Lee ,  Taekjoon Lee

IPC: C09K11/62 ,  B82Y20/00 ,  C09K11/64 ,  H01L33/50

CPC classification number: C09K11/62 ,  B82Y20/00 ,  C09K11/64 ,  H01L33/504 ,  H01L2933/0041

Abstract: Provided are: a method of preparing a quantum dot, the method including preparing a first particle including a Group III-V compound including gallium (Ga) and treating the first particle with an aluminum (Al) composition including an aluminum (Al) precursor; a quantum dot manufactured by the method; an optical member including the quantum dot; and an electronic apparatus including the quantum dot.

公开(公告)号：US20230060488A1

公开(公告)日：2023-03-02

申请号：US17834388

申请日：2022-06-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jeoungsub LEE ,  Sangjae Kim ,  Juhee Song ,  Donghee Lee ,  Joonggun Chong

IPC: G06F1/16

Abstract: A display apparatus includes a display panel. A cover window covers the display panel. A first film is arranged over the cover window. The first film has a first rate of change of a storage modulus at frequencies due to external impacts that are below a reference frequency and a second rate of change of the storage modulus at frequencies due to external impacts that are above the reference frequency.