公开(公告)号：US20220246092A1

公开(公告)日：2022-08-04

申请号：US17725935

申请日：2022-04-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junhee CHOI ,  Kiho KONG ,  Nakhyun KIM ,  Junghun PARK ,  Jinjoo PARK ,  Joohun HAN

IPC: G09G3/32 ,  H01L27/15 ,  H01L33/10 ,  H01L33/34

Abstract: Provided is a display apparatus including a plurality of subpixels and configured to emit light based on each of the plurality of subpixels, the display apparatus including a substrate, a driving layer provided on the substrate and including a driving element which is configured to apply current to the display apparatus, a first electrode electrically connected to the driving layer, a first semiconductor layer provided on the first electrode, an active layer provided on the first semiconductor layer, a second semiconductor layer provided on the active layer, a second electrode provided on the second semiconductor layer, and a reflective layer provided on the second semiconductor layer, wherein light emitted from the active layer resonates between the first electrode and the reflective layer.

公开(公告)号：US20220109022A1

公开(公告)日：2022-04-07

申请号：US17227981

申请日：2021-04-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junhee CHOI ,  Kiho KONG ,  Nakhyun KIM ,  Dongho KIM ,  Junghun PARK ,  Jinjoo PARK ,  Eunsung LEE ,  Joohun HAN

IPC: H01L27/15

Abstract: A micro light-emitting display apparatus and a method of manufacturing the same are disclosed The micro light-emitting display apparatus includes a first semiconductor layer, an isolation structure provided on the first semiconductor layer and configured to define a plurality of sub-pixels each configured to emit light, a first light-emitting unit including a first active layer provided in a first sub-pixel among the plurality of sub-pixels, and a second semiconductor layer provided on the first active layer, and a second light-emitting unit including a rod semiconductor layer provided in a second sub-pixel among the plurality of sub-pixels, a second active layer provided on the rod semiconductor layer, and a third semiconductor layer provided on the second active layer. The first active layer is configured to emit blue light and the second active layer is configured to emit green light.

公开(公告)号：US20250056926A1

公开(公告)日：2025-02-13

申请号：US18788990

申请日：2024-07-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junhee CHOI ,  Joosung KIM ,  Dongchul SHIN ,  Junghun PARK

IPC: H01L33/20 ,  H01L27/15 ,  H01L33/00 ,  H01L33/06 ,  H01L33/14 ,  H01L33/32

Abstract: Provided is a nanorod light-emitting device including a support layer, a first-type semiconductor nanocore protruding from an upper surface of the support layer and including a semiconductor material doped as a first conductivity type, a mask layer on an upper surface of the support layer and extending to a first height of the first-type semiconductor nanocore in a vertical direction and adjacent to a surface of the first-type semiconductor nanocore, a light-emitting layer having a multi-quantum well structure adjacent to a portion of the first-type semiconductor nanocore above the first height in the vertical direction, and a second-type semiconductor layer adjacent to a surface of the light-emitting layer and including a semiconductor material doped as a second conductivity type.

公开(公告)号：US20230221552A1

公开(公告)日：2023-07-13

申请号：US17877402

申请日：2022-07-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kiho KONG ,  Junhee CHOI ,  Junghun PARK ,  Eunsung LEE

IPC: G02B27/01 ,  H01L27/15

CPC classification number: G02B27/0101 ,  G02B27/0172 ,  H01L27/156 ,  G02B2027/0178

Abstract: A display device includes: a plurality of light emitting elements including a first semiconductor layer, each of the plurality of light emitting elements including a second semiconductor layer provided under the first semiconductor layer and an active layer interposed between the first semiconductor layer; a plurality of partition walls extending from the first semiconductor layer; and a plurality of color conversion layers provided on the plurality of light emitting elements in correspondence with the plurality of light emitting elements and spaced apart from each other by the plurality of partition walls, each of the plurality of color conversion layers including a first color conversion layer and a second color conversion layer stacked on the first color conversion layer.

公开(公告)号：US20230170440A1

公开(公告)日：2023-06-01

申请号：US17847806

申请日：2022-06-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junhee CHOI ,  Kiho KONG ,  Junghun PARK ,  Eunsung LEE ,  Nakhyun KIM ,  Joosung KIM ,  Younghwan PARK ,  Dongchul SHIN ,  Joohun HAN

IPC: H01L33/38 ,  H01L33/50 ,  G06T19/00 ,  H01L33/62 ,  H01L33/00

CPC classification number: H01L33/382 ,  H01L33/502 ,  G06T19/006 ,  H01L33/62 ,  H01L33/005 ,  H01L2933/0016 ,  H01L2933/0041 ,  H01L2933/0066

Abstract: Provided is a display apparatus including a first semiconductor layer having a first surface and a second surface opposite to each other, a plurality of partitions protruding from the first surface, and a plurality of opening areas between the plurality of partitions, a plurality of active layers provided opposite to the plurality of opening areas on the second surface of the first semiconductor layer, a plurality of second semiconductor layers respectively provided on the plurality of active layers opposite to the first semiconductor layer, a separation film provided between two adjacent active layers among the plurality of active layers and between two adjacent second semiconductor layers among the plurality of second semiconductor layers, and a plurality of color conversion layers provided in the plurality of opening areas on the first surface of the first semiconductor layer.

公开(公告)号：US20220416120A1

公开(公告)日：2022-12-29

申请号：US17731829

申请日：2022-04-28

Applicant: SAMSUNG ELECTRONICS CO, LTD.

Inventor： Joosung KIM ,  Younghwan PARK ,  Dongchul SHIN ,  Junhee CHOI ,  Nakhyun KIM ,  Junghun PARK ,  Eunsung LEE ,  Joohun HAN

IPC: H01L33/12 ,  H01L25/16 ,  H01L33/00 ,  H01L33/44

Abstract: A light emitting device may be a bar-type light emitting device and include a n-GaN semiconductor layer, a p-GaN semiconductor layer spaced apart from the n-GaN semiconductor layer, an active layer arranged between the n-GaN semiconductor layer and the p-GaN semiconductor layer, and a strain relaxing layer including indium clusters and voids.

公开(公告)号：US20190140016A1

公开(公告)日：2019-05-09

申请号：US16183953

申请日：2018-11-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

CPC classification number: H01L27/156 ,  H01L25/0753 ,  H01L27/124 ,  H01L33/06 ,  H01L33/145 ,  H01L33/20 ,  H01L33/32 ,  H01L33/382 ,  H01L33/387 ,  H01L33/42 ,  H01L33/46 ,  H01L33/505 ,  H01L33/507 ,  H01L33/58

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.