公开(公告)号：US20250084307A1

公开(公告)日：2025-03-13

申请号：US18825620

申请日：2024-09-05

Applicant: Samsung Display Co., LTD.

Inventor： Youngsik KIM ,  Sungjae KIM ,  Bitna YOON ,  Donghee LEE ,  Taekjoon LEE ,  Junehyuk JUNG

IPC: C09K11/62 ,  B82Y20/00 ,  B82Y40/00 ,  C09K11/02 ,  H10K59/38

Abstract: A quantum dot includes a core including copper, indium, gallium, silver, and sulfur and a shell surrounding the core and including zinc sulfide (ZnS). A display device includes: a base layer; a circuit layer on the base layer; and a display element layer on the circuit layer, the display element layer including: a first electrode; a second electrode; and a light emitting layer between the first electrode and the second electrode and including the quantum dot.

公开(公告)号：US20200183224A1

公开(公告)日：2020-06-11

申请号：US16545305

申请日：2019-08-20

Applicant: Samsung Display Co., Ltd.

Inventor： Donghee LEE ,  Seung-won PARK ,  Baek Hee LEE

IPC: G02F1/1335 ,  H01L33/50

Abstract: A display device including a light source member including a plurality of light emitting units emitting a first color light, an optical member disposed on an upper side of the light source member, and a liquid crystal display panel disposed on an upper side of the optical member. The optical member includes a base substrate, a color conversion layer disposed on the base substrate and including a quantum dot for converting the first color light into a second color light and a third color light, a filter layer disposed between the base substrate and the color conversion layer and transmitting the first color light and reflecting the second color light and the third color light, and an optical path changing layer disposed on at least one of an upper surface and a lower surface of the filter layer.

公开(公告)号：US20250101299A1

公开(公告)日：2025-03-27

申请号：US18889807

申请日：2024-09-19

Applicant: Samsung Display Co., Ltd.

Inventor： Youngsik KIM ,  Sungjae KIM ,  Hongrae KIM ,  Bitna YOON ,  Donghee LEE ,  Taekjoon LEE ,  Junehyuk JUNG

IPC: C09K11/62 ,  B82Y20/00 ,  B82Y40/00 ,  C01G15/00 ,  G02F1/13357

Abstract: A quantum dot includes copper (Cu), a Group III element, and a Group VI element, wherein the quantum dot further includes a halogen component that is an iodide ion, a bromide ion, a chloride ion, a fluoride ion, or a combination thereof. A molar ratio of the halogen component to the copper (Cu) and a molar ratio of the halogen component to the Group III element is each independently in a range of about 0.01 to about 0.5, and a full width at half maximum (FWHM) of a photoluminescence spectrum of the quantum dot is equal to or less than about 80 nm.

公开(公告)号：US20200183227A1

公开(公告)日：2020-06-11

申请号：US16575270

申请日：2019-09-18

Applicant: Samsung Display Co., Ltd.

Inventor： Donghee LEE ,  Baek Hee LEE

IPC: G02F1/1335 ,  G02F1/017

Abstract: A liquid crystal display device includes a light source member including a plurality of light emitting element packages, and a liquid crystal display panel disposed on an upper side of the light source member. The liquid crystal display panel includes a first substrate adjacent to the light source member which includes a first base substrate, a color conversion layer with a quantum dot disposed on an upper side of the first base substrate, and a first polarizing layer disposed on an upper side of the first base substrate. The liquid crystal display panel includes a second substrate facing the first substrate which includes a second base substrate, a second polarizing layer disposed on an upper side of a liquid crystal layer, and a circuit layer disposed on a lower side of the second base substrate. The liquid crystal layer is disposed between the first substrate and the second substrate.

公开(公告)号：US20240218249A1

公开(公告)日：2024-07-04

申请号：US18536646

申请日：2023-12-12

Applicant: Samsung Display Co., LTD.

Inventor： Seungwon PARK ,  Sungjae KIM ,  Youngsik KIM ,  Bitna YOON ,  Donghee LEE ,  Junehyuk JUNG

IPC: C09K11/88 ,  C09K11/02 ,  C09K11/56 ,  C09K11/62 ,  C09K11/70 ,  H10K50/115

CPC classification number: C09K11/883 ,  C09K11/025 ,  C09K11/565 ,  C09K11/623 ,  C09K11/70 ,  H10K50/115 ,  B82Y20/00

Abstract: A quantum dot includes a core and a first shell covering at least a portion of the core. The core includes indium (In), a first element, and phosphorus (P). The first shell includes a second element and a third element, the first element and the second element are each independently a Group III element, the third element is a Group VI element. The quantum dot satisfies Inequality 1 below:










(


M
1

+

M
2

+

M
3


)

/

M
In


>
7

,










wherein Inequality 1, MIn denotes the number of moles of In in the core and the first shell, M1 denotes the number of moles of the first element in the core and the first shell, M2 denotes the number of moles of the second element in the core and the first shell, and M3 denotes the number of moles of the third element in the core and the first shell.

公开(公告)号：US20240101896A1

公开(公告)日：2024-03-28

申请号：US18362825

申请日：2023-07-31

Applicant: Samsung Display Co., Ltd.

Inventor： Youngsik KIM ,  Sungjae KIM ,  Seung-Won PARK ,  Bitna YOON ,  Donghee LEE ,  Junehyuk JUNG

IPC: C09K11/70 ,  C09K11/02 ,  C09K11/56 ,  C09K11/88 ,  H10K59/38

CPC classification number: C09K11/70 ,  C09K11/02 ,  C09K11/565 ,  C09K11/883 ,  H10K59/38

Abstract: A quantum dot includes a core including InP, a first shell around (e.g., surrounding) the core and including ZnTeSe, a second shell around (e.g., surrounding) the first shell and including ZnSe, and a third shell around (e.g., surrounding) the second shell and including ZnS, wherein the ratio of the number of moles of the Te in the first shell to the number of moles of the P in the core is about 0.02 to about 0.90.

公开(公告)号：US20230005997A1

公开(公告)日：2023-01-05

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: H01L27/32 ,  H01L51/50 ,  H01L27/15 ,  H01L51/56 ,  H01L51/52

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：US20210159278A1

公开(公告)日：2021-05-27

申请号：US16931197

申请日：2020-07-16

Applicant: Samsung Display Co., Ltd.

Inventor： Baek Hee LEE ,  Minwoo KIM ,  Jaejin LYU ,  Donghee LEE ,  Junwoo LEE ,  Taekjoon LEE ,  Hyung-Il JEON

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/52 ,  H01L51/56 ,  H01L27/15

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：US20200172807A1

公开(公告)日：2020-06-04

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 ,  H01L27/12 ,  H01L21/3213

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.