公开(公告)号：US20240392190A1

公开(公告)日：2024-11-28

申请号：US18775029

申请日：2024-07-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Shang Hyeun PARK ,  Tae Gon KIM ,  Shin Ae JUN

IPC: C09K11/88 ,  B82Y20/00 ,  B82Y40/00 ,  C09K11/02 ,  C09K11/08 ,  H10K59/38

Abstract: A quantum dot composite comprising: a matrix and a plurality of quantum dots dispersed in the matrix, wherein the plurality of the quantum dots comprises a semiconductor nanocrystal core including indium and phosphorous, a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, and the semiconductor nanocrystal shell including zinc, selenium, and sulfur. The arithmetic size of the plurality of the quantum dots is greater than or equal to about 8 nm, wherein the quantum dot composite is configured to emit red light, and wherein when the quantum dot composite is irradiated with light of a wavelength of from about 450 nm to about 470 nm for a time period of less than or equal to about 500 hours, a luminance increase of the quantum dot composite is less than or equal to about 1.2% of an initial luminance of the quantum dot composite.

公开(公告)号：US20230374379A1

公开(公告)日：2023-11-23

申请号：US18229709

申请日：2023-08-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Garam PARK ,  Tae Gon KIM ,  Jooyeon AHN ,  Ji-Yeong KIM ,  Nayoun WON ,  Shin Ae JUN

IPC: C09K11/88 ,  C09K11/02 ,  G02F1/13357 ,  C09K11/08 ,  H10K50/115 ,  H10K59/12 ,  H10K59/38

CPC classification number: C09K11/883 ,  C09K11/02 ,  G02F1/133617 ,  C09K11/0883 ,  H10K50/115 ,  H10K59/12 ,  H10K59/38 ,  B82Y20/00

Abstract: Disclosed are a quantum dot and a quantum dot-polymer composite and a device including the same, wherein the quantum dot includes a semiconductor nanocrystal core including indium (In) and phosphorous (P), a first semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the first semiconductor nanocrystal shell including zinc and selenium, and a second semiconductor nanocrystal shell disposed on the first semiconductor nanocrystal shell, the second semiconductor nanocrystal shell including zinc and sulfur, wherein the quantum dot does not include cadmium, wherein in the quantum dot, a mole ratio of sulfur with respect to selenium is less than or equal to about 2.5:1.

公开(公告)号：US20230143818A1

公开(公告)日：2023-05-11

申请号：US17983711

申请日：2022-11-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Deuk Seok CHUNG ,  Tae-Gon KIM ,  Shang Hyeun PARK ,  Min Jong BAE ,  Jong Hoon WON ,  Shin Ae JUN ,  A Ra JO

IPC: H01L33/50 ,  H01L25/16

CPC classification number: H01L33/502 ,  H01L25/167 ,  H01L2933/0041

Abstract: The present disclosure provides a display panel including: a substrate; a plurality of light emitting elements including semiconductor light emitting chips and disposed on the substrate; a plurality of color conversion layers overlapped with the plurality of light emitting elements and disposed thereon, respectively; and a plurality of absorption-type color filter layers directly disposed and having a surface shape of the plurality of color conversion layers, respectively, where a pitch between adjacent light emitting elements of the plurality of light emitting elements is less than or equal to about 100 micrometers, and at least one of the plurality of color conversion layers includes quantum dots.

公开(公告)号：US20230126029A1

公开(公告)日：2023-04-27

申请号：US17973922

申请日：2022-10-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： A Ra JO ,  Deukseok CHUNG ,  Tae-Gon KIM ,  Shang Hyeun PARK ,  Min Jong BAE ,  Jong Hoon WON ,  Shin Ae JUN

IPC: H01L25/075 ,  H01L33/58 ,  H01L33/50

Abstract: Provided are a display panel, and an electronic device including display panel. The display panel includes: a substrate; a plurality of light emitting elements disposed on the substrate, each of the plurality of light emitting elements including a semiconductor light emitting chip; a plurality of micro lenses disposed on the light emitting elements, respectively, each of the micro lenses surrounding each of the light emitting elements; and a plurality of color conversion layers disposed on or under the plurality of micro lenses, respectively, each of the color conversion layers having a shape corresponding to each of the plurality of micro lenses.

公开(公告)号：US20220278256A1

公开(公告)日：2022-09-01

申请号：US17677064

申请日：2022-02-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sang Soo JEE ,  Shang Hyeun PARK ,  Shin Ae JUN

IPC: H01L33/44 ,  H01L33/00 ,  C09K11/02

Abstract: A luminescent nanostructure, a production method for making the luminescent nanostructure, and an electronic device including the luminescent nanostructure. The luminescent nanostructure includes a semiconductor nanocrystal including a Group 13 metal nitride. The luminescent nanostructure has an aspect ratio of greater than or equal to about 1, and an organic compound having an M-O moiety, wherein M is Ti, Al, Zr, Sn, or Si that is bound to at least a portion of the surface of the luminescent nanostructure.

公开(公告)号：US20220267632A1

公开(公告)日：2022-08-25

申请号：US17678246

申请日：2022-02-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sang Soo JEE ,  Shang Hyeun PARK ,  Shin Ae JUN

IPC: C09D11/50 ,  C09D11/037 ,  C09D11/033 ,  C09D11/107 ,  C09D11/322 ,  C09K11/88 ,  C09K11/08 ,  H01L27/32 ,  G02F1/1339 ,  B41M5/00

Abstract: An ink composition and luminescent nanostructure composite, and an electronic device including the luminescent nanostructure composite. The ink composition includes a plurality of titanium oxide particles, a plurality of luminescent nanostructures (e.g., quantum dots), a monomer including a carbon-carbon unsaturated bond, and optionally an organic solvent. The titanium oxide particles have an average size of greater than or equal to about 10 nm and less than or equal to about 900 nm, and the titanium oxide particles comprise an organosilane compound. The ink composition has a total solid content (TSC) of greater than or equal to about 90 wt %, and an amount of the titanium oxide particles in the ink composition is greater than or equal to about 1 wt % based on the total weight of the ink composition. The ink composition is configured to emit a first light.

公开(公告)号：US20220246804A1

公开(公告)日：2022-08-04

申请号：US17586956

申请日：2022-01-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Garam PARK ,  Shang Hyeun PARK ,  Min Jong BAE ,  Mi Hye LIM ,  Deukseok CHUNG ,  Shin Ae JUN

IPC: H01L33/50 ,  C09K11/88 ,  C09K11/70 ,  C09K11/02 ,  C09K11/56

Abstract: A quantum dot composite includes a matrix and a plurality of quantum dots dispersed in the matrix, and a color conversion panel and a display panel including the same. The plurality of quantum dots include a metal including indium (In) and zinc and a non-metal including phosphorous (P), selenium, and sulfur, wherein the plurality of quantum dots includes a mole ratio of sulfur to indium of greater than or equal to about 3:1 and less than or equal to about 6:1, and a mole ratio of sulfur to selenium of greater than or equal about 0.69:1 and less than or equal to about 0.89, and a mole ratio of zinc to indium of greater than or equal to about 10:1 and less than or equal to about 12.4:1, and wherein the plurality of the quantum dots are configured to emit red light.

公开(公告)号：US20220020943A1

公开(公告)日：2022-01-20

申请号：US17341688

申请日：2021-06-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Deukseok CHUNG ,  Min Jong BAE ,  Jinsub LEE ,  Yongjoo KWON ,  Shin Ae JUN

IPC: H01L51/50 ,  H01L27/32

Abstract: An electronic device includes a light emitting element having a width of less than or equal to about 20 micrometers (μm), a quantum dot color filter overlapping the light emitting element, and a photo-detecting unit which detects a first light emitted from the quantum dot color filter.

公开(公告)号：US20210382331A1

公开(公告)日：2021-12-09

申请号：US17409153

申请日：2021-08-23

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

Inventor： Deukseok CHUNG ,  Shin Ae JUN ,  Tae Won JEONG ,  Yong Seok HAN

IPC: G02F1/017 ,  G02F1/1362 ,  G02F1/1335 ,  G02F1/13357 ,  G03F7/00 ,  G03F7/033 ,  G03F7/004 ,  C09K11/62 ,  C09K11/70 ,  C09K11/02

Abstract: A layered structure including a transparent substrate; a photoluminescent layer disposed on the transparent substrate and a pattern of a quantum dot polymer composite; and a capping layer disposed on the photoluminescent layer and including an inorganic material, a method of producing the same, a liquid crystal display including the same. The quantum dot polymer composite includes a polymer matrix; and a plurality of quantum dots in the polymer matrix, the pattern of the quantum dot polymer composite includes at least one repeating section and the repeating section includes a first section configured to emit light of a first peak wavelength, the inorganic material is disposed on at least a portion of a surface of the repeating section, and the inorganic material includes a metal oxide, a metal nitride, a metal oxynitride, a metal sulfide, or a combination thereof.

公开(公告)号：US20200283680A1

公开(公告)日：2020-09-10

申请号：US16883989

申请日：2020-05-26

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

Inventor： Shin Ae JUN ,  Taekhoon KIM ,  Garam PARK ,  Yong Seok HAN ,  Eun Joo JANG ,  Hyo Sook JANG ,  Tae Won JEONG ,  Shang Hyeun PARK

IPC: C09K11/02 ,  C09K11/88 ,  C09K11/70 ,  C08K3/32 ,  C08K3/30 ,  G02F1/1335 ,  G02F1/13357

Abstract: A quantum dot, including a core including a first semiconductor material that includes indium; and a shell including a second semiconductor material, and disposed on the core, wherein the first semiconductor material and the second semiconductor material are different, wherein the shell has at least two branch portions and a valley portion connecting the at least two branch portions, at least one of the at least two branch portions comprises Zn, Se, and S, and a content of sulfur in the at least one branch portion increases in a direction away from the core.