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：US20220271086A1

公开(公告)日：2022-08-25

申请号：US17744156

申请日：2022-05-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kiho KONG ,  Junhee CHOI

IPC: H01L27/15 ,  H01L27/12 ,  H01L49/02 ,  H01L33/36 ,  H01L33/62

Abstract: A display apparatus includes a substrate, a light-emitting device provided on the substrate, a driving transistor device configured to control the light-emitting device, a first power supply line electrically connected to a source region of the driving transistor device, a conductive pattern electrically connected to a gate electrode of the driving transistor device, and a second power supply line electrically connected to the first power supply line, wherein the conductive pattern and the first power supply line constitute a first capacitor, and the conductive pattern and the second power supply line constitute a second capacitor, wherein the first capacitor and the second capacitor are connected in parallel.

公开(公告)号：US20220131030A1

公开(公告)日：2022-04-28

申请号：US17569217

申请日：2022-01-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kiho KONG ,  Junhee CHOI ,  Deukseok CHUNG ,  Junsik HWANG

IPC: H01L33/00 ,  G09G3/32 ,  H01L33/50 ,  H01L33/62

Abstract: Provided are a method of manufacturing a display apparatus and the display apparatus. The method includes forming an emissive layer and a driving layer on a first area of a substrate, forming an exposure line electrically connected to the driving layer, on a second area of the substrate, and forming a color conversion layer on the driving layer by emitting light from the emissive layer using the exposure line.

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：US20230005985A1

公开(公告)日：2023-01-05

申请号：US17545645

申请日：2021-12-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kiho KONG ,  Junghun Park ,  Eunsung Lee ,  Junhee Choi

IPC: H01L27/15 ,  H01L33/62

Abstract: A display device includes a display layer including a plurality of light-emitting devices and a plurality of switching devices in a one-to-one correspondence with the light-emitting devices, the plurality of light-emitting devices and the plurality of switching devices forming a monolithic structure, and a driving layer, wherein the plurality of light-emitting devices and the plurality of switching devices corresponding to the plurality of light-emitting devices are grouped into pixels and then arranged in the display layer, and the driving layer includes a plurality of driving devices configured to apply at least one driving signal to the display 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：US20240419215A1

公开(公告)日：2024-12-19

申请号：US18659802

申请日：2024-05-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Eunsung LEE ,  Kiho KONG ,  Junhee CHOI ,  Nakhyun KIM

IPC: G06F1/16 ,  H01L25/16 ,  H01L33/14 ,  H01L33/50

Abstract: Provided are a display apparatus and a method of manufacturing the display apparatus. The display apparatus includes a pixel electrode configured to supply power to a subpixel; a common electrode; an organic transparent substrate; a driving layer provided on the organic transparent substrate and electrically connected to the pixel electrode, the driving layer including a driving device configured to control power on-off of the subpixel; and a light emitting unit provided on the driving layer and including an inorganic material, the light emitting unit including a first semiconductor layer, an active layer, and a second semiconductor layer.

公开(公告)号：US20240266387A1

公开(公告)日：2024-08-08

申请号：US18639224

申请日：2024-04-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kiho KONG ,  Junhee Choi

IPC: H01L27/15 ,  G09G3/32 ,  H01L33/00 ,  H01L33/38 ,  H01L33/62

CPC classification number: H01L27/156 ,  G09G3/32 ,  H01L33/005 ,  H01L33/38 ,  H01L33/62 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A micro light emitting display apparatus and a method of manufacturing the micro light emitting display apparatus are disclosed. The micro light emitting display apparatus includes a micro light emitting element, a driving transistor connected to the micro light emitting element, a switching transistor connected to the driving transistor, and a first opening is provided to expose a source region or a drain region of the switching transistor, and a gate electrode of the driving transistor is provided in the first opening and in contact with the source region or the drain region of the switching transistor.