公开(公告)号：US20240174918A1

公开(公告)日：2024-05-30

申请号：US18517112

申请日：2023-11-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyundong HA ,  Yuho WON ,  Taehyung KIM ,  Nayoun WON ,  Hogeun CHANG

IPC: C09K11/62 ,  C09D11/037 ,  C09D11/50 ,  C09K11/02 ,  H01L33/00 ,  H01L33/06

CPC classification number: C09K11/621 ,  C09D11/037 ,  C09D11/50 ,  C09K11/02 ,  H01L33/0025 ,  H01L33/06 ,  B82Y20/00

Abstract: A semiconductor nanoparticle, a method of manufacturing the semiconductor nanoparticle, a composite including the semiconductor nanoparticle, a color conversion panel, and a display panel. The semiconductor nanoparticle includes silver, indium, gallium, and sulfur, and is configured to emit blue light, and exhibits a quantum yield of greater than or equal to about 40% and a full width at half maximum of less than 70 nm.

公开(公告)号：US20230303921A1

公开(公告)日：2023-09-28

申请号：US18189259

申请日：2023-03-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tae-Gon KIM ,  Shang Hyeun PARK ,  Nayoun WON ,  Minho KIM ,  Seungrim YANG ,  Shin Ae JUN ,  Yebin JUNG ,  A Ra JO

IPC: C09K11/62 ,  C09K11/02 ,  C09K11/88 ,  C09K11/08 ,  H10K59/38 ,  G02F1/13357

CPC classification number: C09K11/621 ,  C09K11/02 ,  C09K11/883 ,  C09K11/0883 ,  H10K59/38 ,  G02F1/133617 ,  B82Y20/00

Abstract: A display panel and an electronic device including the display panel are provided, where the display panel includes a quantum dot composite including a matrix and a plurality of quantum dots and titanium dioxide (TiO2) particles dispersed in the matrix, the plurality of quantum dots include silver and gallium, exhibit an emission peak wavelength of from about 500 nm to about 550 nm, and a full width at half maximum of the emission peak is greater than or equal to about 10 nm and less than or equal to about 50 nm, and where the quantum dot composite has a mole ratio of silver to titanium of greater than or equal to about 0.4:1 and less than or equal to about 15:1, and a mole ratio of gallium to titanium of greater than or equal to about 0.4:1 and less than or equal to about 20:1.

公开(公告)号：US20220285446A1

公开(公告)日：2022-09-08

申请号：US17687451

申请日：2022-03-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tae Gon KIM ,  Shin Ae JUN ,  Deukseok CHUNG ,  Nayoun WON ,  Sung Hun LEE ,  Byoung Ki CHOI

IPC: H01L27/32 ,  H01L51/56 ,  C09K11/88 ,  C09K11/56

Abstract: A display panel including a light emitting panel; and a color conversion panel with a surface opposite a surface of the light emitting panel. The light emitting panel is configured to emit incident light including a first light and a second light. The color conversion panel includes a color conversion layer including two or more color conversion regions, a color conversion region includes a first region corresponding to the green pixel, the first region includes a matrix and a first composite dispersed within the matrix and including a plurality of luminescent nanostructures, and the spectral overlap between a UV-Vis absorption spectrum of the luminescent nanostructures, the maximum emission peak of the first light, and the maximum emission peak of the second light satisfies the following equation: B/A≤about 0.6 A and B are as defined.

公开(公告)号：US20220283345A1

公开(公告)日：2022-09-08

申请号：US17687448

申请日：2022-03-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Taekhoon KIM ,  Tae Gon KIM ,  Hyeyeon YANG ,  Jongmin LEE ,  Shin Ae JUN ,  Deuk Kyu MOON ,  A Ra JO ,  Jooyeon AHN ,  Nayoun WON ,  Mi Hye LIM

IPC: G02B5/20 ,  G02B1/00

Abstract: A color conversion panel includes a color conversion layer including a color conversion region, and optionally, a partition wall defining the region of the color conversion layer. The color conversion region includes a first region corresponding to a green pixel, and the first region includes a first composite that is configured to emit a green light and includes a matrix and a plurality of luminescent nanostructures dispersed in the matrix. The luminescent nanostructures include a first semiconductor nanocrystal including a Group III-V compound and a second semiconductor nanocrystal including a zinc chalcogenide, the Group III-V compound includes indium, phosphorus, and optionally zinc, and the zinc chalcogenide includes zinc, selenium, and sulfur. The luminescent nanostructures do not include cadmium. and at least a portion of surfaces of the luminescent nanostructures includes the second semiconductor nanocrystal. The emitted green light has a full width at half maximum of a maximum luminescent peak of less than or equal to about 42 nm.

公开(公告)号：US20200217974A1

公开(公告)日：2020-07-09

申请号：US16825293

申请日：2020-03-20

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  SAMSUNG DISPLAY CO., LTD. ,  SAMSUNG SDI CO., LTD.

Inventor： Garam PARK ,  Tae Gon KIM ,  Nayoun WON ,  Shin Ae JUN ,  Soo Kyung KWON ,  Seon-Yeong KIM ,  Shang Hyeun PARK ,  Jooyeon AHN ,  Yuho WON ,  Eun Joo JANG ,  Hyo Sook JANG

IPC: G01T7/00 ,  A61B6/06 ,  G21K1/02 ,  A61B6/00

Abstract: Disclosed are a quantum dot population including a plurality of cadmium free quantum dots, a quantum dot polymer composite including the same, and a display device including the same. The plurality of cadmium free quantum dots includes: a semiconductor nanocrystal core comprising indium and phosphorous, a first semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core and comprising zinc and selenium, and a second semiconductor nanocrystal shell disposed on the first semiconductor nanocrystal shell and comprising zinc and sulfur, wherein an average particle size of the plurality of cadmium free quantum dots is greater than or equal to about 5.5 nm, a standard deviation of particle sizes of the plurality of cadmium free quantum dots is less than or equal to about 20% of the average particle size, and an average solidity of the plurality of cadmium free quantum dots is greater than or equal to about 0.85.

公开(公告)号：US20190211265A1

公开(公告)日：2019-07-11

申请号：US16245594

申请日：2019-01-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Garam PARK ,  Tae Gon KIM ,  Nayoun WON ,  Shin Ae JUN ,  Soo Kyung KWON ,  Seon-Yeong KIM ,  Shang Hyeun PARK ,  Jooyeon AHN ,  Yuho WON ,  Eun Joo JANG ,  Hyo Sook JANG

IPC: C09K11/88 ,  C09K11/02 ,  H01L27/32 ,  F21V8/00 ,  G02F1/1335

CPC classification number: C09K11/883 ,  B82Y20/00 ,  B82Y40/00 ,  C09K11/025 ,  C09K11/565 ,  C09K11/70 ,  G02B6/005 ,  G02F1/133514 ,  G02F1/133617 ,  G02F2001/133614 ,  G02F2202/36 ,  H01L27/322 ,  H05B33/14

Abstract: Disclosed are a quantum dot population including a plurality of cadmium free quantum dots, a quantum dot polymer composite including the same, and a display device including the same. The plurality of cadmium free quantum dots includes: a semiconductor nanocrystal core comprising indium and phosphorous, a first semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core and comprising zinc and selenium, and a second semiconductor nanocrystal shell disposed on the first semiconductor nanocrystal shell and comprising zinc and sulfur, wherein an average particle size of the plurality of cadmium free quantum dots is greater than or equal to about 5.5 nm, a standard deviation of particle sizes of the plurality of cadmium free quantum dots is less than or equal to about 20% of the average particle size, and an average solidity of the plurality of cadmium free quantum dots is greater than or equal to about 0.85.

公开(公告)号：US20180157124A1

公开(公告)日：2018-06-07

申请号：US15872595

申请日：2018-01-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yong Seok HAN ,  Nayoun WON ,  Hyun A KANG ,  Ha Il KWON ,  Shang Hyeun PARK ,  Eun Joo JANG ,  Shin Ae JUN ,  Deukseok CHUNG ,  Tae Won JEONG

IPC: G02F1/1335 ,  G02B5/20 ,  G03F7/00

CPC classification number: G02F1/133617 ,  G02B5/201 ,  G02B5/207 ,  G02F1/133504 ,  G02F1/133514 ,  G02F1/133615 ,  G02F1/133621 ,  G02F2001/133614 ,  G02F2202/36 ,  G03F7/0007

Abstract: A color filter including a first region configured to emit a first light, a second region configured to emit a second light having a longer wavelength than a wavelength of the first light, a third region configured to emit a third light having a longer wavelength than the wavelength of the second light, a first layer including two or more quantum dots, and a second layer formed on at least one surface of the first layer, wherein the first layer and the second layer are disposed in at least the second region and the third region.

公开(公告)号：US20180044586A1

公开(公告)日：2018-02-15

申请号：US15675251

申请日：2017-08-11

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  Samsung Display Co., Ltd. ,  SAMSUNG SDI CO., LTD.

Inventor： Ha Il KWON ,  Tae Gon KIM ,  Jooyeon AHN ,  Nayoun WON ,  Shin Ae JUN ,  Eun Joo JANG

IPC: C09K11/08 ,  H01L33/34 ,  H01L33/30 ,  H01L33/06 ,  H01L33/28

CPC classification number: C09K11/08 ,  C01P2004/03 ,  C01P2004/60 ,  C01P2004/62 ,  C09K11/025 ,  H01L33/06 ,  H01L33/28 ,  H01L33/30 ,  H01L33/34 ,  H01L33/502 ,  H01L2924/0001 ,  H01L2933/0033

Abstract: A quantum dot aggregate particle including a plurality of quantum dots, a polyvalent metal compound, and a thiol compound having at least two thiol groups at its end terminals, wherein a size of the quantum dot aggregate particle is in a range from about 20 nanometers to 10 micrometers.

公开(公告)号：US20250051640A1

公开(公告)日：2025-02-13

申请号：US18797872

申请日：2024-08-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Soo Kyung KWON ,  Seungrim YANG ,  A Ra JO ,  Seon-Yeong KIM ,  Nayoun WON ,  Jun Ho LEE ,  Mi Hye LIM

IPC: C09K11/62 ,  B82Y20/00 ,  B82Y40/00 ,  C09K11/02 ,  G02F1/13357 ,  H10K59/38

Abstract: A semiconductor nanoparticle, a method of manufacturing the semiconductor nanoparticle, and an electronic device including the nanoparticle are provided. The semiconductor nanoparticle includes silver, indium, gallium, and sulfur, wherein the semiconductor nanoparticle is configured to emit a green light, wherein the semiconductor nanoparticle has a relative mole value of zinc as defined by Equation 1 that is greater than or equal to about 0.25 and less than or equal to about 0.9: Relative ⁢ mole ⁢ value ⁢ of ⁢ zinc = [ Zn ] / ( [ Ag ] + [ In ] + [ Ga ] + [ Zn ] ) Equation ⁢ 1 wherein, in Equation 1, [Ag], [In], [Ga], and [Zn] are molar amounts of the silver, the indium, the gallium, and the zinc in the semiconductor nanoparticle, respectively, and wherein a mole ratio of gallium to indium is greater than about 2.5:1 and less than about 5.6:1.

公开(公告)号：US20230295493A1

公开(公告)日：2023-09-21

申请号：US18185789

申请日：2023-03-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Nayoun WON ,  Tae-Gon KIM ,  Minho KIM ,  Shang Hyeun PARK ,  Seungrim YANG ,  Jun Ho LEE ,  Shin Ae JUN ,  Yebin JUNG ,  A Ra JO

IPC: C09K11/62 ,  C09K11/02 ,  H10K59/38 ,  H01L33/50

CPC classification number: C09K11/623 ,  C09K11/02 ,  H10K59/38 ,  H01L33/502 ,  H10K59/12

Abstract: A color conversion panel, comprising a color conversion layer comprising a color conversion region and optionally a partition wall defining each region of the color conversion layer, wherein the color conversion region comprises a first region corresponding to a first pixel, the first region comprises a first composite, the first composite comprises a matrix and a semiconductor nanoparticle, wherein the semiconductor nanoparticle is dispersed in the matrix, the semiconductor nanoparticle comprises silver, a Group 13 metal, zinc, and a chalcogen element, the semiconductor nanoparticle emits a first light, the Group 13 metal is indium, gallium, aluminum, or a combination thereof, the chalcogen element is sulfur, selenium, or a combination thereof, and in the semiconductor nanoparticle, a mole ratio of zinc to a total sum of silver, Group 13 metal, and zinc is greater than or equal to about 0.01:1.