公开(公告)号：US20210091255A1

公开(公告)日：2021-03-25

申请号：US17110574

申请日：2020-12-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jung Hong MIN ,  Dae Hyun KIM ,  Seung A LEE ,  Hyun Min CHO ,  Jong Hyuk KANG ,  Dong Uk KIM ,  Hyun Deok IM ,  Hyung Rae CHA

IPC: H01L33/00 ,  H01L27/15 ,  H01L33/32 ,  H01L21/302

Abstract: A light emitting element, a method of manufacturing a light emitting element, and a display device including a light emitting element are provided. A method of manufacturing a light emitting element includes: preparing a lower panel including a substrate and a first sub conductive semiconductor layer on the substrate; forming a first mask layer including at least one mask pattern on at least a part of the lower panel to be spaced apart from each other and an opening region in which the mask patterns are spaced apart from each other; laminating a first conductive semiconductor layer, an active material layer, and a second conductive semiconductor layer on the first mask layer to form an element laminate; etching the element laminate in a vertical direction to form an element rod; and removing the mask pattern to separate the element rod from the lower panel.

公开(公告)号：US20190378953A1

公开(公告)日：2019-12-12

申请号：US16274109

申请日：2019-02-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jung Hong MIN ,  Dae Hyun KIM ,  Seung A LEE ,  Hyun Min CHO ,  Jong Hyuk KANG ,  Dong Uk KIM ,  Hyun Deok IM ,  Hyung Rae CHA

IPC: H01L33/00 ,  H01L33/32 ,  H01L27/15

Abstract: A light emitting element, a method of manufacturing a light emitting element, and a display device including a light emitting element are provided. A method of manufacturing a light emitting element includes: preparing a lower panel including a substrate and a first sub conductive semiconductor layer on the substrate; forming a first mask layer including at least one mask pattern on at least a part of the lower panel to be spaced apart from each other and an opening region in which the mask patterns are spaced apart from each other; laminating a first conductive semiconductor layer, an active material layer, and a second conductive semiconductor layer on the first mask layer to form an element laminate; etching the element laminate in a vertical direction to form an element rod; and removing the mask pattern to separate the element rod from the lower panel.

公开(公告)号：US20190326474A1

公开(公告)日：2019-10-24

申请号：US16456821

申请日：2019-06-28

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Hyun KIM ,  Jong Hyuk Kang ,  Joo Yeol Lee ,  Hyun Deok Im ,  Chi O Cho ,  Hyun Min Cho

IPC: H01L33/24 ,  H01L33/16 ,  H01L33/32 ,  H01L27/15 ,  H01L33/00 ,  H01L33/38 ,  H01L33/44

Abstract: A light emitting device including first and second electrodes spaced apart from each other on a substrate, at least one bar-type LED having a first end on the first electrode and a second end on the second electrode, and an insulative support body between the substrate and the bar-type LED. The at least one bar-type LED has a length greater than a width.

公开(公告)号：US20190245005A1

公开(公告)日：2019-08-08

申请号：US16389200

申请日：2019-04-19

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hyuk KANG ,  Hyun Min CHO ,  Dae Hyun KIM ,  Joo Yeol LEE ,  Hyun Deok IM

IPC: H01L27/15 ,  F21K9/68 ,  H01L33/40 ,  H01L25/075 ,  H01L33/00

CPC classification number: H01L27/15 ,  F21K9/68 ,  H01L25/0753 ,  H01L33/005 ,  H01L33/405 ,  H01L33/60 ,  H01L33/62

Abstract: A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.

公开(公告)号：US20190244559A1

公开(公告)日：2019-08-08

申请号：US16191306

申请日：2018-11-14

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Min CHO ,  Sung Chul KIM ,  Hye Yong CHU ,  Jong Hyuk KANG ,  Dae Hyun KIM ,  Keun Kyu SONG ,  Hyun Deok IM

IPC: G09G3/32

Abstract: A display device includes a plurality of data lines to supply data voltages, a plurality of scan lines to supply scan signals, and a first pixel connected to at least one of the plurality of data lines, and connected to at least one of the plurality of scan lines, the first pixel including a first light-emitting diode of a first color, in which an anode is connected to a first node and a cathode is connected to a reference voltage line, and a second light-emitting diode of a second color that is different from the first color, in which an anode is connected to the reference voltage line, and a cathode is connected to the first node.

公开(公告)号：US20190173034A1

公开(公告)日：2019-06-06

申请号：US16273694

申请日：2019-02-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Deok IM ,  Jong Hyuk KANG ,  Dae Hyun KIM ,  Joo Yeol LEE ,  Chi O CHO ,  Hyun Min CHO

IPC: H01L51/50 ,  H01L25/075 ,  H01L51/52 ,  H01L51/05

CPC classification number: H01L51/502 ,  F21Y2107/00 ,  H01L25/0753 ,  H01L25/0756 ,  H01L27/32 ,  H01L33/62 ,  H01L51/0512 ,  H01L51/5203 ,  H01L51/5271 ,  H01L51/5296 ,  H01L2933/0033

Abstract: A light emitting device includes a plurality of unit light emitting regions on a substrate. At least one of the unit light emitting regions includes at least one pair of first and second electrodes that are spaced apart, at least one first bar-type LED in a first layer on the substrate, and at least one second bar-type LED in a second layer on the substrate. At least one of the first bar-type LED or the second bar-type LED is electrically connected between the first electrode and the second electrode.

公开(公告)号：US20180019426A1

公开(公告)日：2018-01-18

申请号：US15650083

申请日：2017-07-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Deok IM ,  Jong Hyuk KANG ,  Dae Hyun KIM ,  Joo Yeol LEE ,  Chi O CHO ,  Hyun Min CHO

IPC: H01L51/50 ,  H01L51/05 ,  H01L51/52

CPC classification number: H01L51/502 ,  H01L25/0753 ,  H01L25/0756 ,  H01L27/32 ,  H01L33/62 ,  H01L51/0512 ,  H01L51/5203 ,  H01L51/5271 ,  H01L51/5296 ,  H01L2933/0033

Abstract: A light emitting device includes a plurality of unit light emitting regions on a substrate. At least one of the unit light emitting regions includes at least one pair of first and second electrodes that are spaced apart, at least one first bar-type LED in a first layer on the substrate, and at least one second bar-type LED in a second layer on the substrate. At least one of the first bar-type LED or the second bar-type LED is electrically connected between the first electrode and the second electrode.

公开(公告)号：US20240313167A1

公开(公告)日：2024-09-19

申请号：US18504233

申请日：2023-11-08

Applicant: Samsung Display Co., LTD.

Inventor： Hyeong Su CHOI ,  Dae Hyun KIM ,  In Hyuk KIM ,  Dong Kyun SEO ,  Young Chul SIM ,  Chul Jong YOO ,  Choel Min JANG ,  Tae Ha JIN

IPC: H01L33/44 ,  H01L25/16

CPC classification number: H01L33/44 ,  H01L25/167

Abstract: A light emitting element may include a light emitting stack pattern including a first semiconductor layer, an active layer, and a second semiconductor layer. An insulating film may surround an outer circumferential surface of the light emitting stack pattern. The insulating film may include a first layer, a second layer surrounding the first layer, and a third layer surrounding the second layer. The first layer and the third layer may include a same material.

公开(公告)号：US20230275197A1

公开(公告)日：2023-08-31

申请号：US18018255

申请日：2021-05-04

Applicant: Samsung Display Co., LTD.

Inventor： Dae Hyun KIM ,  Keun Kyu SONG ,  Sung Chan JO ,  Hyun Min CHO ,  Tae Jin KONG ,  Ock Soo SON ,  Chang Il TAE

IPC: H01L33/50 ,  H01L25/16 ,  H01L33/60

CPC classification number: H01L33/505 ,  H01L25/167 ,  H01L33/60

Abstract: A display device including: a first substrate on which a plurality of sub-pixels are located; a plurality of color filter layers on the first substrate; a bank layer including a first bank at a boundary between the plurality of sub-pixels and located on the color filter layers; a color control structure including a plurality of light transmitting layers and wavelength conversion layers in a region surrounded by the first bank on the color filter layer; a light emitting element layer between the color filter layer and the color control structure; a reflective layer on the color control structure; and a first electrode and a second electrode on the color filter layer and at least partially located at the same plane, wherein the light emitting element layer includes a plurality of light emitting elements, each of the light emitting elements having respective ends on the first and second electrodes.

公开(公告)号：US20230215986A1

公开(公告)日：2023-07-06

申请号：US17882971

申请日：2022-08-08

Applicant: Samsung Display Co., LTD.

Inventor： Hyung Rae CHA ,  Dae Hyun KIM ,  Dong Uk KIM ,  Dong Kyun SEO ,  Young Chul SIM

IPC: H01L33/44 ,  H01L25/16

CPC classification number: H01L33/44 ,  H01L25/167 ,  H01L24/25

Abstract: A light-emitting element includes a core comprising a first semiconductor layer, a second semiconductor layer disposed on the first semiconductor layer, and an emissive layer disposed between the first semiconductor layer and the second semiconductor layer, an interlayer dielectric film surrounding a side surface of the core, a first element insulating film surrounding an outer surface of the interlayer dielectric film, and a second element insulating film surrounding an outer surface of the first element insulating film. The interlayer dielectric film includes an oxide insulating material having a dielectric constant of about 10 or more, and the interlayer dielectric film has a thickness of less than or equal to about 5 nm.