公开(公告)号：US20230231078A1

公开(公告)日：2023-07-20

申请号：US17940091

申请日：2022-09-08

Applicant: Samsung Display Co., LTD.

Inventor： Myeong Su SO ,  Myeong Hee KIM ,  Seul Ki KIM

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

CPC classification number: H01L33/382 ,  H01L33/005 ,  H01L33/62 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device includes a first electrode and a second electrode that are disposed on a substrate to be spaced apart from each other, a first insulating layer disposed on the first electrode and the second electrode, a light emitting element disposed on the first insulating layer, a first connection electrode in electrical contact with a first end of the light emitting element on the first insulating layer, and an organic layer disposed on the first connection electrode and surrounding the light emitting element.

公开(公告)号：US20230006101A1

公开(公告)日：2023-01-05

申请号：US17757223

申请日：2020-12-07

Applicant: Samsung Display Co., LTD.

Inventor： Myeong Hee KIM ,  Je Won YOO

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

Abstract: A light-emitting element extending in one direction includes: a semiconductor core including a main body extending in the one direction, a first end connected to one side of the main body and having an inclined side surface, and a second end connected to an other side of the main body and having a width less than that of the main body; and an insulation film around at least a portion of the outer surface of the semiconductor core, wherein the insulation film includes a first insulation film around the first end of the semiconductor core; and a second insulation film around the second end of the semiconductor core, wherein the diameter of an outer surface of the first insulation film is the same as a diameter of an outer surface of the second insulation film.

公开(公告)号：US20220336527A1

公开(公告)日：2022-10-20

申请号：US17641412

申请日：2020-02-27

Applicant: Samsung Display Co., LTD.

Inventor： Hyung Rae CHA ,  Dong Uk KIM ,  Myeong Hee KIM ,  Se Young KIM ,  Hyun Min CHO

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44

Abstract: A light emitting device includes: a first semiconductor layer that is doped with a first polarity dopant, and that includes a first part extending in a first direction and a second part connected to one side of the first part; a second semiconductor layer doped with second polarity dopant that differs from the first polarity dopant; an active layer between the first semiconductor layer and the second semiconductor layer; and an insulation film around at least the outer surface of the active layer and extends in the first direction, wherein the diameter of the second part measured in a second direction perpendicular to the first direction is larger than the diameter of the first part measured in the second direction, and the side surface of the second part is inclined.

公开(公告)号：US20220209070A1

公开(公告)日：2022-06-30

申请号：US17605800

申请日：2020-02-13

Applicant: Samsung Display Co., LTD.

Inventor： Bek Hyun LIM ,  Tae Jin KONG ,  Myeong Hee KIM ,  Won Kyu KIM ,  Je Won YOO ,  Hee Keun LEE ,  Chang Il TAE

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/00

Abstract: A display device comprises a first electrode, a first insulating layer disposed on the first electrode, a second electrode disposed on the first insulating layer, at least a part of the second electrode facing the first electrode in a first direction, one or more first light-emitting elements disposed between the first electrode and the second electrode, the one or more first light-emitting elements extending in a direction, wherein the first insulating layer partially encompasses the outer surface of the one or more first light-emitting element, and the extending direction of at least one of the one or more first light-emitting element is parallel to the first direction.

公开(公告)号：US20210167253A1

公开(公告)日：2021-06-03

申请号：US17263391

申请日：2019-01-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Veidhes BASRUR ,  Xinxing LI ,  Hee Keun LEE ,  Chang Il TAE ,  Tae Jin KONG ,  Myeong Hee KIM

IPC: H01L33/38 ,  H01L33/62 ,  H01L27/15 ,  H01L33/00 ,  H01L33/40

Abstract: A light emitting device includes first and second electrodes disposed on a substrate and spaced apart from each other; at least one light emitting diode disposed between the first and second electrodes; an insulating pattern overlapping an upper portion of the at least one light emitting diode and exposing first and second ends of the at least one light emitting diode; a first contact electrode electrically connecting the first end of the at least one light emitting diode to the first electrode; and a second contact electrode electrically connecting the second end of the at least one light emitting diode to the second electrode. The insulating pattern may completely overlap the first and second ends of the at least one light emitting diode in a plan view, and have a width reducing toward a lower portion of the insulating pattern.

公开(公告)号：US20240355790A1

公开(公告)日：2024-10-24

申请号：US18758503

申请日：2024-06-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Jin KONG ,  Dae Hyun KIM ,  Myeong Hee KIM ,  Veidhes BASRUR ,  Je Won YOO ,  Xinxing LI ,  Hee Keun LEE ,  Bek Hyun LIM ,  Hyun Min CHO ,  Chang Il TAE

IPC: H01L25/075 ,  B82B3/00 ,  G09G3/32 ,  H01L27/12 ,  H01L33/00 ,  H01L33/24 ,  H01L33/36 ,  H01L33/44 ,  H01L33/62

CPC classification number: H01L25/0753 ,  B82B3/0052 ,  H01L27/1214 ,  H01L33/0062 ,  H01L33/24 ,  H01L33/36 ,  H01L33/44 ,  H01L33/62 ,  G09G3/32 ,  G09G2300/0842 ,  H01L2933/0016 ,  H01L2933/0025

Abstract: A light emitting device includes first and second electrodes disposed on a substrate; an insulating layer disposed on the substrate and including a groove extending in a first direction intersecting with the first and the second electrodes, and first and second contact portions that expose areas of the first and the second electrodes; light emitting elements disposed in the groove between the first and the second electrodes, each including first and second ends electrically connected to the first and second electrodes, respectively; a first contact electrode electrically connected to the light emitting elements on the first ends, and electrically connected to the first electrode on the first contact portion; and a second contact electrode electrically connected to the light emitting elements on the second ends, and electrically connected to the second electrode on the second contact portion.

公开(公告)号：US20220068901A1

公开(公告)日：2022-03-03

申请号：US17413324

申请日：2019-06-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Jin KONG ,  Myeong Hee KIM ,  Hee Keun LEE

IPC: H01L25/16 ,  H01L27/12 ,  H01L33/60

Abstract: A display device includes a base layer including a display area and a non-display area; and pixels disposed in the display area, each of the pixels including sub-pixels. Each of the sub-pixels includes a pixel circuit layer and a display element layer disposed on the pixel circuit layer. The display element layer includes a partition wall disposed in each of the sub-pixels; a bank disposed between adjacent ones of the sub-pixels; a first electrode and a second electrode disposed on the partition wall and spaced apart from each other; a reflective pattern disposed on the bank; and at least one light emitting element disposed between the first electrode and the second electrode.

公开(公告)号：US20210351171A1

公开(公告)日：2021-11-11

申请号：US17278114

申请日：2019-03-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Je Won YOO ,  Dae Hyun KIM ,  Bek Hyun LIM ,  Myeong Hee KIM ,  Chang Il TAE ,  Hyun Min CHO ,  Keun Kyu SONG ,  Jin Oh KWAG

IPC: H01L25/16 ,  H01L33/54 ,  H01L33/44 ,  H01L23/00

Abstract: A display device may include: a substrate including a display area and a non-display area; and pixels disposed on the display area, and each including sub-pixels, each sub-pixel including a pixel circuit layer, and a display element layer including a light emitting element. The display element layer includes first and second electrodes spaced apart from each other; a first insulating layer disposed between the pixel circuit layer and the light emitting element; and a second insulating layer disposed on the light emitting element and filling spaces between the first insulating layer and ends of the light emitting element. The light emitting element includes a first conductive semiconductor layer, an active layer enclosing at least one side of the first conductive semiconductor layer, a second conductive semiconductor layer enclosing the active layer, an electrode layer enclosing the second conductive semiconductor layer, and an insulating film covering the electrode layer.

公开(公告)号：US20210296550A1

公开(公告)日：2021-09-23

申请号：US17266387

申请日：2019-02-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Xinxing LI ,  Dae Hyun KIM ,  Myeong Hee KIM ,  Veidhes BASRUR ,  Je Won YOO ,  Bek Hyun LIM

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

Abstract: A display device may include a substrate including a display area and a non-display area; and pixels provided in the display area, each of the plurality of pixels comprising sub-pixels. Each of the plurality of sub-pixels may include a pixel circuit layer including at least one transistor, and a display element layer including an emission area and a peripheral area, a first electrode provided in the emission area, a second electrode spaced apart from the first electrode, at least one light emitting element provided in the emission area, and including a first end electrically connected to the first electrode, and a second end electrically connected to the second electrode; a first connection line provided in the peripheral area; and a bridge pattern provided in the peripheral area, and diverging from the first connection line. The bridge pattern may be electrically disconnected from each of the first and second electrodes.

公开(公告)号：US20210265324A1

公开(公告)日：2021-08-26

申请号：US17261414

申请日：2019-01-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Jin KONG ,  Hee Keun LEE ,  Xinxing LI ,  Hyun Min CHO ,  Dae Hyun KIM ,  Myeong Hee KIM ,  Veidhes BASRUR ,  Chang Il TAE

IPC: H01L25/075 ,  H01L27/12 ,  H01L33/24 ,  H01L33/62

Abstract: A light emitting device may include: a substrate including emission areas; a first electrode disposed on the substrate; a second electrode disposed on the substrate and spaced apart from the first electrode; light emitting elements disposed on the substrate, each of the light emitting elements including a first end and a second end in a longitudinal direction of the light emitting elements; a bank disposed in each of the emission areas and including openings in which portions of each of the unit emission areas are exposed; a first contact electrode that electrically connects the first electrode with the first end of each of the light emitting elements; and a second contact electrode that electrically connects the second electrode with the second end of each of the light emitting elements. At least one of the light emitting elements may be disposed in each of the openings.