公开(公告)号：US20230006112A1

公开(公告)日：2023-01-05

申请号：US17702659

申请日：2022-03-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji Yoon KIM ,  Chang Hee LEE ,  Se Hun KIM ,  Young Mo KOO ,  Jae Kook HA

IPC: H01L33/50 ,  H01L25/16 ,  H01L27/32 ,  H01L33/60 ,  H01L51/52 ,  G02B5/20 ,  G02B5/00

Abstract: A color changing substrate comprises a substrate comprising emission areas and non-emission areas, a color filter layer on the substrate and comprising a light blocking member partitioning the emission areas and the non-emission areas, and a plurality of color filters in areas surrounded by the light blocking member, a bank overlapping the light blocking member, a wavelength control layer comprising wavelength conversion layers and a light transmitting layer in areas surrounded by the bank, a reflective layer overlapping the bank, a first metal oxide layer overlapping the reflective layer, and a self-assembled layer overlapping the first metal oxide layer.

公开(公告)号：US20220109083A1

公开(公告)日：2022-04-07

申请号：US17320925

申请日：2021-05-14

Applicant: Samsung Display Co., LTD.

Inventor： Chang Hee LEE ,  Dong Uk KIM ,  Se Hun KIM ,  Hyo Jin KO ,  Dong Hoon KWAK ,  Young Il KIM ,  Ji Yoon KIM

IPC: H01L33/20 ,  H01L33/38 ,  H01L27/15 ,  H01L33/00

Abstract: A light emitting element includes a first surface corresponding to an end of the light emitting element, a second surface corresponding to another end of the light emitting element, a first semiconductor layer adjacent to the first surface, the first semiconductor layer including a first type of semiconductor, a second semiconductor layer adjacent to the second surface, the second semiconductor layer including a second type of semiconductor different from the first type of semiconductor, and an active layer disposed between the first semiconductor layer and the second semiconductor layer. An area of the first surface is larger than an area of the second surface, and a distance between the first surface and the second surface is shorter than a length defined by the first surface.

公开(公告)号：US20210391308A1

公开(公告)日：2021-12-16

申请号：US17241943

申请日：2021-04-27

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Bo SIM ,  Duk Ki KIM ,  Yong Hwi KIM ,  Hyo Jin KO ,  Chang Hee LEE ,  Chan Woo JOO ,  Jae Kook HA ,  Na Mi HONG

IPC: H01L25/075 ,  H01L27/12 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44 ,  H01L33/62 ,  B82B3/00 ,  C09D11/50 ,  C09D11/322 ,  C09D11/38 ,  C09D11/037

Abstract: A light-emitting element ink, a display device, and a method of fabricating the display device are provided. The light-emitting element ink includes a light-emitting element solvent, light-emitting elements dispersed in the light-emitting element solvent, each of the light-emitting elements including a plurality of semiconductor layers and an insulating film that surrounds parts of outer surfaces of the semiconductor layers, and a surfactant dispersed in the light-emitting element solvent, the surfactant including a fluorine-based and/or a silicon-based surfactant.

公开(公告)号：US20210226103A1

公开(公告)日：2021-07-22

申请号：US16935095

申请日：2020-07-21

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Won PARK ,  Chang Hee LEE ,  Duk Ki KIM ,  Yun Ku JUNG ,  Yun Hyuk KO ,  Jae Kook HA

IPC: H01L33/56 ,  H01L33/00 ,  H01L33/36 ,  C08G61/10 ,  C08L65/02 ,  C08L47/00

Abstract: A light emitting element includes a first semiconductor layer; an active layer on the first semiconductor layer; a second semiconductor layer on the active layer; an insulating film surrounding an outer peripheral surface of each of the first semiconductor layer, the active layer and the second semiconductor layer; and a polymer film including a polymer chain and on at least a portion of a surface of the insulating film.

公开(公告)号：US20220375996A1

公开(公告)日：2022-11-24

申请号：US17567368

申请日：2022-01-03

Applicant: Samsung Display Co., LTD.

Inventor： Young Gu KIM ,  Chang Hee LEE ,  Yun Hee PARK ,  Ji Yun PARK ,  Bong Sung SEO ,  Baek Kyun JEON ,  Kyung Seon TAK

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: A display device may include a substrate including a display area and a non-display area; and a plurality of pixels disposed in the display area, the plurality of pixels each including an emission area and a non-emission area. Each of the plurality of pixels may include at least one light emitting element in the emission area; a first pixel electrode and a second pixel electrode electrically connected to the at least one light emitting element; a bank including a first opening corresponding to the emission area; a color conversion layer disposed in the emission area to correspond to the at least one light emitting element; a barrier layer disposed on the bank and the color conversion layer; and a low refractive layer disposed on the barrier layer. The barrier layer may include silicon oxide (SiOx) having cured polysilazane.

公开(公告)号：US20220131045A1

公开(公告)日：2022-04-28

申请号：US17343392

申请日：2021-06-09

Applicant: Samsung Display Co., Ltd.

Inventor： Chang Hee LEE ,  Se Hun KIM

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/60 ,  H01L33/42

Abstract: A display device includes a substrate, a first electrode on the substrate, a plurality of light emitting elements on the first electrode, and a second electrode on the plurality of light emitting elements. An area of a first surface of each of the plurality of light emitting elements in contact with the first electrode is different from an area of a second surface of each of the plurality of light emitting elements in contact with the second electrode. Each of the plurality of light emitting elements includes a metal layer in contact with the first electrode and including a fusible alloy or a eutectic alloy.

公开(公告)号：US20210226165A1

公开(公告)日：2021-07-22

申请号：US17031778

申请日：2020-09-24

Applicant: Samsung Display Co., Ltd.

Inventor： Yun Hyuk KO ,  Chang Hee LEE ,  Jin Oh KWAG ,  Keun Kyu SONG ,  Yun Ku JUNG ,  Sung-Chan JO ,  Jae Kook HA

IPC: H01L51/52 ,  H01L27/32

Abstract: A light emitting element and a display device including the same are provided. The light emitting element includes a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer, a protective layer surrounding an outer surface of at least one of the first semiconductor layer, the second semiconductor layer, and the active layer, and an insulating layer surrounding an outer surface of the protective layer. A surface of at least one of the first semiconductor layer, the second semiconductor layer, and the active layer includes a first lattice point, wherein the protective layer includes a first atom and a second atom, and wherein the first atom of the protective layer is at the first lattice point.

公开(公告)号：US20240266475A1

公开(公告)日：2024-08-08

申请号：US18636248

申请日：2024-04-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun Bo SIM ,  Chang Hee LEE ,  Yun Hyuk KO ,  Sang Ho JEON ,  Jae Kook HA

IPC: H01L33/44 ,  H01L25/075 ,  H01L25/16 ,  H01L33/00 ,  H01L33/62

CPC classification number: H01L33/44 ,  H01L25/0753 ,  H01L25/167 ,  H01L33/007 ,  H01L33/0075 ,  H01L33/0093 ,  H01L33/62 ,  H01L2933/0025

Abstract: A light emitting element includes: a light emitting stack pattern including a first semiconductor layer, an active layer, and a second semiconductor layer that are sequentially stacked along one direction; and an insulating film surrounding an outer surface of at least one of the first semiconductor layer, the active layer, and the second semiconductor layer. The insulating film including a zinc oxide (ZnO) thin film layer.

公开(公告)号：US20240234640A1

公开(公告)日：2024-07-11

申请号：US18606347

申请日：2024-03-15

Applicant: Samsung Display Co., LTD.

Inventor： Se Hun KIM ,  Chang Hee LEE ,  Yun Hyuk KO ,  Duk Ki KIM ,  Jun Woo PARK ,  Soo Ho LEE ,  Jae Kook HA ,  Yun Ku JUNG

IPC: H01L33/44 ,  H01L25/16 ,  H01L33/00 ,  H01L33/20

CPC classification number: H01L33/44 ,  H01L25/167 ,  H01L33/0095 ,  H01L33/007 ,  H01L33/0093 ,  H01L33/20 ,  H01L2933/0025

Abstract: A light-emitting element includes a first semiconductor layer doped to have a first polarity, a second semiconductor layer doped to have a second polarity different from the first polarity, a light-emitting layer disposed between the first and second semiconductor layers, a shell layer formed on side surfaces of the first semiconductor layer, the light-emitting layer, and the second semiconductor layer, the shell layer including a divalent metal element, and an insulating film covering an outer surface of the shell layer and surrounding the side surface of the light-emitting layer.

公开(公告)号：US20230110744A1

公开(公告)日：2023-04-13

申请号：US17746444

申请日：2022-05-17

Applicant: Samsung Display Co., LTD.

Inventor： Ji Yoon KIM ,  Chang Hee LEE ,  Dong Hoon KWAK ,  Young Mo KOO

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/56

Abstract: A display device includes an auxiliary electrode disposed on a substrate, a bank layer disposed on the auxiliary electrode, a conductive layer disposed on the auxiliary electrode, the conductive layer including a base portion and protrusions protruded from the base portion, an organic layer disposed on the conductive layer, and a cathode electrode disposed on the organic layer, the cathode electrode being in contact with the protrusions.