公开(公告)号：US20250143014A1

公开(公告)日：2025-05-01

申请号：US18742389

申请日：2024-06-13

Applicant: Samsung Display Co., LTD.

Inventor： Jun Bo SIM ,  Jun Youn KIM ,  Joo Woan CHO ,  Jin Taek PARK ,  So Young YEO ,  Dong Eon LEE ,  Jae Hoon JUNG

IPC: H01L33/00 ,  H01L25/075

Abstract: A method for manufacturing a display device includes manufacturing an epitaxial wafer including an epitaxial thin film, dividing the epitaxial wafer into wafer dies having a size corresponding to an area of each cell area of a backplane substrate including cell areas, transferring the wafer dies to a carrier substrate, forming a conductive bonding layer on epitaxial dies of the wafer dies, disposing the carrier substrate on the backplane substrate such that the epitaxial dies are disposed in each cell area of the backplane substrate and bonding the epitaxial dies onto the backplane substrate, removing the carrier substrate from the epitaxial dies, and etching the epitaxial dies to form respective light emitting elements in emission areas included in each cell area of the backplane substrate.

公开(公告)号：US20240379728A1

公开(公告)日：2024-11-14

申请号：US18536838

申请日：2023-12-12

Applicant: Samsung Display Co., LTD.

Inventor： Seung A LEE ,  Bong Chun PARK ,  Kwan Jae LEE ,  Dong Eon LEE ,  So Young LEE

IPC: H01L27/15 ,  H01L33/24 ,  H01L33/32 ,  H01L33/44 ,  H01L33/50

Abstract: A display device includes a first electrode and a second electrode, spaced apart from each other, and light emitting elements disposed between the first electrode and the second electrode. Each of the light emitting elements includes a first semiconductor layer, a second semiconductor layer disposed on the first semiconductor layer, and an active layer disposed between the first semiconductor layer and the second semiconductor layer. A thickness of the active layer is in a range of about 1 nm to about 2.8 nm, the active layer includes InGa1-xN (about 0.18≤x≤about 0.20). The light emitting elements emit light with a wavelength in a range of about 462 nm to about 472 nm in a current density in a range of about 0.5 A/cm2 to about 100 A/cm2.

公开(公告)号：US20240162373A1

公开(公告)日：2024-05-16

申请号：US18362414

申请日：2023-07-31

Applicant: Samsung Display Co., LTD.

Inventor： Kwan Jae LEE ,  Bong Chun PARK ,  Dong Eon LEE ,  So Young LEE ,  Seung A LEE

IPC: H01L33/06 ,  H01L27/15 ,  H01L33/00 ,  H01L33/24 ,  H01L33/32 ,  H01L33/44

CPC classification number: H01L33/06 ,  H01L27/156 ,  H01L33/007 ,  H01L33/0093 ,  H01L33/24 ,  H01L33/32 ,  H01L33/44 ,  H01L2933/0025

Abstract: A light emitting element includes: a first semiconductor layer; an active layer provided on the first semiconductor layer; a second semiconductor layer provided on the active layer; and an insulative film around at least a portion of the first semiconductor layer, the active layer, and the second semiconductor layer, which are sequentially provided in a first direction. The active layer may include a first barrier layer, a first well layer, and a second barrier layer, which are sequentially provided in the first direction, and the first well layer may include first holes penetrating the first well layer.

公开(公告)号：US20230378397A1

公开(公告)日：2023-11-23

申请号：US18192577

申请日：2023-03-29

Applicant: Samsung Display Co., LTD.

Inventor： Hyung Seok KIM ,  Si Sung KIM ,  Jong Jin LEE ,  Dong Gyun KIM ,  Dong Eon LEE ,  Hyun Min CHO ,  Sang Wook HAN

IPC: H01L33/38 ,  H01L33/20 ,  H01L25/075

CPC classification number: H01L33/382 ,  H01L33/20 ,  H01L25/0753

Abstract: A light emitting element includes: a light emitting element core including a first semiconductor layer, a light emitting layer on the first semiconductor layer, and a second semiconductor layer on the light emitting layer; and a first element insulating layer surrounding a side surface of the light emitting element core. An outer surface of the first element insulating layer has a first outer surface adjacent to one surface of the first semiconductor layer, the one surface of the first semiconductor layer being opposite to another surface of the first semiconductor layer facing the second semiconductor layer, and a second outer surface farther away from a side surface of the first semiconductor layer than the first outer surface is.

公开(公告)号：US20230411560A1

公开(公告)日：2023-12-21

申请号：US18101711

申请日：2023-01-26

Applicant: Samsung Display Co., LTD.

Inventor： Hye Lim KANG ,  Si Sung KIM ,  Hyung Seok KIM ,  Dong Eon LEE ,  Jong Jin LEE

IPC: H01L33/38 ,  H01L33/62 ,  H01L33/00 ,  H01L33/20

CPC classification number: H01L33/382 ,  H01L33/62 ,  H01L2933/0016 ,  H01L33/20 ,  H01L33/005

Abstract: A light emitting element includes a first semiconductor layer, a light emitting layer disposed on the first semiconductor layer, a second semiconductor layer disposed on the light emitting layer, an electrode layer disposed on the second semiconductor layer, and an insulative film. The insulative film surrounds side surfaces of the first semiconductor layer, the light emitting layer, and the second semiconductor layer, and surrounds a portion of the electrode layer at a first end portion at which the electrode layer is disposed. The electrode layer includes a first surface adjacent to the second semiconductor layer, and a second surface facing the first surface, the second surface having a width greater than a width of the first surface.

公开(公告)号：US20230027490A1

公开(公告)日：2023-01-26

申请号：US17786260

申请日：2020-12-15

Applicant: Samsung Display Co., LTD.

Inventor： Hye Lim KANG ,  Dong Gyun KIM ,  Hoo Keun PARK ,  Moon Jung AN ,  Chul Jong YOO ,  Dong Eon LEE

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

Abstract: A display device includes a first electrode, a second electrode disposed spaced apart from the first electrode in a first direction, and an element part disposed between the first electrode and the second electrode. The element part includes light-emitting elements that have a shape extending in one direction and are arranged spaced apart from each other in a second direction perpendicular to the first direction; and a binder surrounding each of the light-emitting elements and fixing the light-emitting elements. The one direction in which the light-emitting elements extend is parallel to the first direction.

公开(公告)号：US20210375984A1

公开(公告)日：2021-12-02

申请号：US17403828

申请日：2021-08-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Gyun KIM ,  Moon Jung AN ,  Dong Eon LEE ,  Hye Lim KANG ,  Hoo Keun PARK ,  Byung Ju LEE

IPC: H01L27/15 ,  H01L33/50 ,  H01L33/58

Abstract: A display device includes a substrate; a first electrode and a second electrode arranged to be spaced apart from each other on the substrate; a first insulating layer on the substrate; a light emitting element on the first insulating layer, located between the first electrode and the second electrode, and including a first end portion and a second end portion; a third electrode on the substrate and electrically connected to the first electrode and the first end portion; a fourth electrode on the substrate and electrically connected to the second electrode and the second end portion; a second insulating layer on the substrate and covering the light emitting element, the third electrode, and the fourth electrode; and a light diffusion layer on the second insulating layer and including a light diffusion particle.

公开(公告)号：US20170307935A1

公开(公告)日：2017-10-26

申请号：US15358839

申请日：2016-11-22

Applicant: Samsung Display Co., Ltd.

Inventor： Seung Won PARK ,  Dae Young LEE ,  Dong Eon LEE ,  Dae Hwan JANG ,  Gug Rae JO

IPC: G02F1/1335 ,  G02F1/1368 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1333

CPC classification number: G02F1/133536 ,  G02F1/133345 ,  G02F1/133351 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/134309 ,  G02F1/13439 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/133354 ,  G02F2001/133548 ,  G02F2001/136231 ,  G02F2201/121 ,  G02F2201/123

Abstract: Provided is a display panel including a base substrate which includes a display area and a non-display area, a polarizing member disposed on a surface of the base substrate and including a plurality of grid patterns overlapping the display area and a reflective pattern overlapping the non-display area, and a pixel array layer which overlaps the polarizing member and is insulated from the polarizing member, wherein a first height from the surface of the base substrate to an upper surface of the reflective pattern is different from a second height from the surface of the base substrate to upper surfaces of the grid patterns.

公开(公告)号：US20240332265A1

公开(公告)日：2024-10-03

申请号：US18678529

申请日：2024-05-30

Applicant: Samsung Display Co., LTD.

Inventor： In Hyuk KIM ,  Dong Gyun KIM ,  Jae Hoon JUNG ,  Jin Oh KWAG ,  Hee Yeon YOO ,  Sung Chan JO ,  Jeong In CHOI ,  Hye Jung HONG ,  Jong Hyuk KANG ,  Dong Eon LEE ,  Hyun Min CHO

IPC: H01L25/075 ,  H01L21/68 ,  H01L21/78 ,  H01L33/00

CPC classification number: H01L25/0753 ,  H01L21/68 ,  H01L21/7806 ,  H01L33/005

Abstract: An apparatus includes a base including a receiving portion that receives a substrate on which semiconductor elements are disposed; and at least one ultrasonic generator that generates and applies ultrasonic waves to the substrate placed in the base.

公开(公告)号：US20240128409A1

公开(公告)日：2024-04-18

申请号：US18316513

申请日：2023-05-12

Applicant: Samsung Display Co., LTD.

Inventor： Hyung Seok KIM ,  Hye Lim KANG ,  Si Sung KIM ,  Jong Jin LEE ,  Dong Eon LEE

IPC: H01L33/38 ,  H01L25/075 ,  H01L33/62

CPC classification number: H01L33/382 ,  H01L25/0753 ,  H01L33/62 ,  H01L2933/0016

Abstract: A light emitting element may include a first semiconductor layer, an emission layer disposed on the first semiconductor layer, a second semiconductor layer disposed on the emission layer, an insulating film, and an electrode layer. The insulating film may enclose a side surface of the first semiconductor layer, a side surface of the emission layer, and a side surface of the second semiconductor layer. The electrode layer may be disposed on the second semiconductor layer and the insulating film. The insulating film may not enclose the electrode layer.