公开(公告)号：US11790837B2

公开(公告)日：2023-10-17

申请号：US17878515

申请日：2022-08-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Oh Kwag ,  Won Sik Oh ,  Keun Kyu Song ,  Sung-Chan Jo ,  Hyun Min Cho

IPC: G09G3/32 ,  H01L27/15

CPC classification number: G09G3/32 ,  G09G2300/0426 ,  G09G2300/0809 ,  G09G2310/08 ,  G09G2320/0673 ,  H01L27/156

Abstract: A pixel includes first and second sub-emission areas enclosed by a bank; a first light source unit disposed in the first sub-emission area, and including at least one first light emitting element connected between at least one first split electrode and a second power supply; a second light source unit disposed in the second sub-emission area, and including at least one second light emitting element connected between at least one second split electrode and the second power supply; a first driving circuit connected between a first power supply and the at least one first split electrode, and supplying a first driving current to the first light source unit in response to a first data signal; and a second driving circuit connected between the first power supply and the second split electrode, and supplying a second driving current to the second light source unit in response to a second data signal.

公开(公告)号：US20230187474A1

公开(公告)日：2023-06-15

申请号：US18166985

申请日：2023-02-09

Applicant: Samsung Display Co., LTD.

Inventor： Dae Hyun Kim ,  Jong Hyuk Kang ,  Joo Yeol Lee ,  Hyun Deok Im ,  Hyun Min Cho

IPC: H01L27/15 ,  H01L33/44 ,  H01L33/20 ,  H01L27/12 ,  H01L33/38 ,  H01L29/786 ,  H01L25/075 ,  H01L25/16 ,  H01L33/60

CPC classification number: H01L27/156 ,  H01L33/44 ,  H01L33/20 ,  H01L27/124 ,  H01L33/387 ,  H01L29/78633 ,  H01L25/0753 ,  H01L25/167 ,  H01L27/1255 ,  H01L33/385 ,  H01L33/60 ,  H01L33/405

Abstract: A light emitting device, includes: a substrate; a light emitting element on the substrate, the light emitting element having a first end portion and a second end portion arranged in a longitudinal direction; one or more partition walls disposed on the substrate, the one or more partition walls being spaced apart from the light emitting element; a first reflection electrode adjacent the first end portion of the light emitting element; a second reflection electrode adjacent the second end portion of the light emitting element; a first contact electrode connected to the first reflection electrode and the first end portion of the light emitting element; an insulating layer on the first contact electrode, the insulating layer having an opening exposing the second end portion of the light emitting element and the second reflection electrode to the outside; and a second contact electrode on the insulating layer.

公开(公告)号：US11563074B2

公开(公告)日：2023-01-24

申请号：US17079278

申请日：2020-10-23

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Min Cho ,  Tae Wook Kang ,  Sang Gun Choi ,  Shin Il Choi ,  Yun Jung Oh ,  Myoung Geun Cha

IPC: H01L29/08 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: A display apparatus includes: a base substrate; a thin film transistor and a power supply wire on the base substrate; a first electrode on the base substrate, and electrically connected to the thin film transistor; a light emitting layer and a common layer on the first electrode; and a second electrode on the common layer. The power supply wire includes: a first conductive layer; a second conductive layer on the first conductive layer; and a third conductive layer on the second conductive layer. The third conductive layer protrudes more than the second conductive layer on a side surface of the power supply wire, and the second electrode contacts a side surface of the second conductive layer.

公开(公告)号：US20220254863A1

公开(公告)日：2022-08-11

申请号：US17732797

申请日：2022-04-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyeong Su KO ,  Joon Yong Park ,  Gyung Min Baek ,  Hyun Min Cho ,  Dae Won Choi

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

Abstract: An organic light emitting diode display including: a substrate; a TFT on the substrate; a planarization layer on the TFT; a pixel electrode on the planarization layer, wherein the pixel electrode includes upper and lower layers including a transparent conductive oxide and an intermediate layer including silver; an etch stop layer on the pixel electrode, wherein an upper surface of the pixel electrode is exposed by the etch stop layer; a partition on the etch stop layer, wherein the upper surface of the pixel electrode is exposed by the partition; an organic emission layer on the upper surface of the pixel electrode where the upper surface of the pixel electrode is exposed by the etch stop layer and the partition; and a common electrode on the organic emission layer and the partition, wherein the etch stop layer covers an edge and a side surface of the pixel electrode.

公开(公告)号：US11411044B2

公开(公告)日：2022-08-09

申请号：US16338449

申请日：2018-09-21

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Min Cho ,  Dae Hyun Kim ,  Jin Oh Kwag ,  Dong Hyun Kim ,  Keun Kyu Song ,  Hyun Deok Im ,  Sung Chan Jo

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

Abstract: A display device comprises a first electrode, a second electrode disposed to be spaced apart from the first electrode and face the first electrode, a first insulating layer disposed to cover the first electrode and the second electrode, a second insulating layer disposed on at least a part of the first insulating layer and exposing at a part of a region where the first electrode and the second electrode overlaps the first insulating layer and at least one light emitting element on the exposed first insulating layer between the first electrode and the second electrode, wherein the second insulating layer includes at least one opening exposing the first insulating layer and disposed to be spaced apart from each other on a region where the first electrode and the second electrode face each other, and a bridge portion between the openings, and the light emitting element is disposed on the opening.

公开(公告)号：US11127914B2

公开(公告)日：2021-09-21

申请号：US16903278

申请日：2020-06-16

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 ,  H01L51/05 ,  H01L51/52 ,  H01L27/32 ,  H01L33/62 ,  F21Y107/00

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：US11088197B2

公开(公告)日：2021-08-10

申请号：US16881788

申请日：2020-05-22

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hyuk Kang ,  Hyun Min Cho ,  Dae Hyun Kim ,  Joo Yeol Lee ,  Hyun Deok Im

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/40 ,  F21K9/68 ,  H01L25/075 ,  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：US20210215967A1

公开(公告)日：2021-07-15

申请号：US17197571

申请日：2021-03-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jae Byung Park ,  Sung Sik Yun ,  Jong Hyuk Kang ,  Hae Il Park ,  Hyun Min Cho

IPC: G02F1/1335 ,  G02F2/02 ,  G02F1/13357 ,  G02F1/1333

Abstract: A wide viewing angle liquid crystal display includes color filters having a quantum dot and scattering particles and liquid crystal layer disposed in a microcavity, a distance between the color filter and the liquid crystal layer being sized to minimize display deterioration due to parallax.

公开(公告)号：US20210159466A1

公开(公告)日：2021-05-27

申请号：US16900294

申请日：2020-06-12

Applicant: Samsung Display Co., Ltd.

Inventor： Tae Sung Kim ,  Hyun Min Cho ,  Yun Jong Yeo

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

Abstract: A display device includes: a first substrate; a barrier layer on the first substrate; an optical pattern layer on the barrier layer, and including a light blocking pattern, and a plurality of light transmitting patterns penetrating the light blocking pattern in a first direction; a first thin film transistor layer on the optical pattern layer; a light emitting element layer on the first thin film transistor layer; and a fingerprint sensor layer underneath the first substrate to receive light reflected from an external object.

公开(公告)号：US11004892B2

公开(公告)日：2021-05-11

申请号：US16275794

申请日：2019-02-14

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Uk Kim ,  Hyun Min Cho ,  Keun Kyu Song ,  Dae Hyun Kim ,  Jung Hong Min ,  Seung A Lee ,  Hyung Rae Cha

IPC: H01L27/15 ,  H01L33/50 ,  H01L33/60

Abstract: A display device includes a first pixel and a second pixel; a light emitting layer; a color conversion layer on the light emitting layer; and a color filter layer on the color conversion layer, the light emitting layer including one or more light emitting elements in the first pixel and the second pixel, the color conversion layer including a first color conversion layer in the first pixel and a second color conversion layer in the second pixel. The color filter layer includes a first color filter layer in the first pixel and a second color filter layer in the second pixel, the light emitting elements capable of emitting a first light having a first wavelength, each of the first color conversion layer and the second color conversion layer including first color conversion particles and second color conversion particles.