公开(公告)号：US20240038822A1

公开(公告)日：2024-02-01

申请号：US18120862

申请日：2023-03-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junhee CHOI ,  Kiho KONG ,  Joosung KIM ,  Younghwan PARK ,  Jinjoo PARK ,  Dongchul SHIN

IPC: H01L27/15

CPC classification number: H01L27/156

Abstract: A light emitting structure includes: a substrate; a first epitaxial structure disposed on the substrate; a second epitaxial structure disposed on the first epitaxial structure; and a third epitaxial structure disposed on the second epitaxial structure. Each of the first epitaxial structure, the second epitaxial structure, and the third epitaxial structure comprises, in a sequentially stacked structure, a first semiconductor layer of a first conductivity, a carrier blocking layer, an active layer, and a second semiconductor layer of a second conductivity.

公开(公告)号：US20230039306A1

公开(公告)日：2023-02-09

申请号：US17967396

申请日：2022-10-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Nakhyun KIM ,  Junhee CHOI ,  Kiho KONG ,  Deukseok CHUNG

IPC: H01L33/00 ,  H01L27/15 ,  H01L33/50

Abstract: A method of manufacturing a display device includes forming a first light-emitting area on a substrate, and forming a first color adjustment pattern on the first light-emitting area by emitting first light from the first light-emitting area, wherein the first light-emitting area includes a first semiconductor layer, a second semiconductor layer provided on the first semiconductor layer, a first active layer arranged between the first semiconductor layer and the second semiconductor layer, a first contact electrically connecting the substrate and the first semiconductor layer, and a first preliminary common electrode electrically connected to the second semiconductor layer.

公开(公告)号：US20220285151A1

公开(公告)日：2022-09-08

申请号：US17352851

申请日：2021-06-21

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  iBeam Materials, Inc.

Inventor： Junhee CHOI ,  Vladmir MATIAS ,  Joohun HAN

IPC: H01L21/02

Abstract: A single crystal semiconductor includes a strain compensation layer; an amorphous substrate disposed on the strain compensation layer; a lattice matching layer disposed on the amorphous substrate and including two or more single crystal layers; and a single crystal semiconductor layer disposed on the lattice matching layer, the lattice matching layer including a direction control film disposed on the amorphous substrate and including a single crystal structure, and a buffer layer including a material different from that of the direction control film, the buffer layer being disposed on the direction control film and including a single crystal structure.

公开(公告)号：US20220278262A1

公开(公告)日：2022-09-01

申请号：US17742092

申请日：2022-05-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kiho Kong ,  Junhee CHOI ,  Jinjoo PARK ,  Joohun HAN

IPC: H01L33/62 ,  H01L33/38 ,  H01L27/15

Abstract: A semiconductor device includes a substrate including a first region and a second region that are arranged in a first direction that is parallel to an upper surface of the substrate; a separation layer provided on the first region of the substrate; a high electron mobility transistor (HEMT) device overlapping the separation layer in a second direction that is perpendicular to the upper surface of the substrate; a light-emitting device provided on the second region of the substrate; and a first insulating pattern covering a side surface of the HEMT device, wherein the first insulating pattern overlaps the separation layer in the second direction.

公开(公告)号：US20220140200A1

公开(公告)日：2022-05-05

申请号：US17195121

申请日：2021-03-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dongho KIM ,  Junhee CHOI

IPC: H01L33/44 ,  H01L33/06 ,  H01L33/24 ,  H01L33/38 ,  H01L33/62 ,  H01L25/075 ,  H01L27/12

Abstract: A nanorod type micro-light emitting diode (LED) includes a nanorod stack structure including a multi-quantum well layer and emitting light from a side surface, and a functional material layer covering the side surface of the nanorod stack structure and increasing a total internal reflection angle of the nanorod stack structure. The functional material layer has a refractive index between a refractive index of the nanorod stack structure and a refractive index of air, and includes a plurality of material layers having a refractive index distribution in which a refractive index decreases as a distance from the side surface increases.

公开(公告)号：US20220037396A1

公开(公告)日：2022-02-03

申请号：US17501996

申请日：2021-10-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jinjoo PARK ,  Hoyoung AHN ,  Junhee CHOI ,  Sungjin KANG ,  Junghun PARK

IPC: H01L27/15 ,  H01L33/42 ,  H01L33/14 ,  H01L33/50

Abstract: A high-resolution display device is provided. The high-resolution display device includes a light-emitting layer including a first semiconductor layer, an active layer, and a second semiconductor layer, a plurality of transparent electrodes respectively formed on the second semiconductor layer in sub-pixel regions, a first electrode connected to the first semiconductor layer, a plurality of second electrodes connected to the plurality of transparent electrodes, a color-converting layer arranged over the light-emitting layer and configured to emit light of a predetermined color based on light generated by the light-emitting layer, which are sequentially stacked on a substrate including a plurality of sub-pixel regions. One or more ion injection regions corresponding to current injection regions corresponding to the plurality of the sub-pixel regions is formed in the second semiconductor layer.

公开(公告)号：US20210217777A1

公开(公告)日：2021-07-15

申请号：US17219131

申请日：2021-03-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chilhee CHUNG ,  Junhee CHOI ,  Sungwoo HWANG ,  Shinae JUN ,  Deukseok CHUNG ,  Junseok CHO

IPC: H01L27/12 ,  H01L33/06 ,  H01L33/32 ,  H01L33/44 ,  H01L27/15 ,  H01L33/50 ,  H05B33/28 ,  H04N9/31

Abstract: Provided is a display apparatus. The display apparatus may include a monolithic device in which a light emitting element array, a transistor array, and a color control member are monolithically provided on one substrate. The display apparatus may include a first layered structure including the light emitting element array, a second layered structure including the transistor array, and a third layered structure including the color control member, wherein the second layered structure may be between the first layered structure and the third layered structure. The light emitting element array may include a plurality of light emitting elements comprising an inorganic material. The plurality of light emitting elements may have a vertical nanostructure.

公开(公告)号：US20200381475A1

公开(公告)日：2020-12-03

申请号：US16994201

申请日：2020-08-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyungwook HWANG ,  Junhee CHOI ,  Junghun PARK ,  Joohun HAN

IPC: H01L27/15 ,  H01L27/12 ,  H01L33/42 ,  H01L33/06 ,  H01L33/50 ,  H01L33/32 ,  H01L25/075

Abstract: A display device is provided. The display device includes a substrate, an emission layer configured to emit light, the emission layer including a first semiconductor layer provided on the substrate, an active layer provided on the first semiconductor layer, and a second semiconductor layer provided on the active layer, and a plurality of color converting layers provided on the emission layer and configured to emit light of certain colors from light emitted from the emission layer.

公开(公告)号：US20200091226A1

公开(公告)日：2020-03-19

申请号：US16557451

申请日：2019-08-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyungwook HWANG ,  Hoyoung AHN ,  Junhee CHOI ,  Kiho KONG ,  Joohun HAN

IPC: H01L27/15 ,  H01L33/40 ,  H01L33/42 ,  H01L33/46 ,  H01L33/50 ,  H01L33/58

Abstract: A display device includes a substrate, an emissive layer; a plurality of color converting layers that share the emissive layer; and an insulating layer provided between the emissive layer and the plurality of color converting layers and having a smaller refractive index than the emissive layer.

公开(公告)号：US20200083405A1

公开(公告)日：2020-03-12

申请号：US16562791

申请日：2019-09-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junhee CHOI ,  Kiho Kong ,  Jinjoo Park ,  Joohun Han ,  Kyungwook Hwang ,  Sungjin Kang ,  Junghun Park

IPC: H01L33/46 ,  H01L25/16

Abstract: Provided is a light-emitting device including a substrate, a light-emitting pattern provided on the substrate, a first reflection film provided between the light-emitting pattern and the substrate, a second reflection film provided on a side surface of the light-emitting pattern, and a passivation film provided between the light-emitting pattern and the second reflection film, wherein the second reflection film is electrically connected to the light-emitting pattern, and a portion of light generated from the light-emitting pattern is emitted through an upper surface of the light-emitting pattern after being reflected by at least one of the first reflection film and the second reflection film.