公开(公告)号：US20210036073A1

公开(公告)日：2021-02-04

申请号：US16838956

申请日：2020-04-02

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Min CHO ,  Tae Wook KANG ,  Tae Sung KIM ,  Dae Won CHOI ,  Sang Gab KIM

IPC: H01L27/32 ,  H01L51/52

Abstract: A display device includes a first base, a pixel electrode on the first base, a pixel defining layer having an opening that at least partially exposes the pixel electrode, a light emitting layer on the pixel electrode, an auxiliary electrode on the same layer as the pixel electrode, a partition wall on the auxiliary electrode that at least partially exposes a side surface of the auxiliary electrode, an organic layer on the partition wall, and a common electrode continuously arranged on the light emitting layer and the organic layer, wherein a side surface of the partition wall has a reverse-tapered shape, and the common electrode contacts the side surface of the auxiliary electrode.

公开(公告)号：US20190296200A1

公开(公告)日：2019-09-26

申请号：US16440906

申请日：2019-06-13

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L33/52 ,  H01L33/48 ,  H01L33/56 ,  H01L33/58 ,  H01L25/075

Abstract: A light emitting device includes: a base substrate; a plurality of unit regions provided on the base substrate; a barrier disposed at a boundary of the unit regions to surround each of the unit regions; a dam disposed in each of the unit regions to be spaced apart from the barrier; a first electrode provided in each of unit light emitting regions surrounded by the dam; a second electrode disposed in each of the unit light emitting regions, the second electrode of which at least one region is provided opposite to the first electrode; and one or more LEDs provided in each of the unit light emitting regions, the one or more LEDs being electrically connected between the first electrode and the second electrode.

公开(公告)号：US20190081088A1

公开(公告)日：2019-03-14

申请号：US16124356

申请日：2018-09-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Min CHO ,  Shin Il CHOI ,  Kyeong Su KO ,  Sang Gab KIM ,  Joon Geol LEE

IPC: H01L27/12 ,  H01L29/45 ,  H01L21/3213 ,  H01L29/786

Abstract: A display device includes: a substrate; first and second transistors provided on the substrate to be spaced apart from each other, the first and second transistors being electrically connected to each other; and a display unit electrically connected to the first transistor, wherein the first transistor includes a first semiconductor layer including crystalline silicon, a first gate electrode, a first source electrode, and a first drain electrode, wherein the second transistor includes a second semiconductor layer including an oxide semiconductor, a second gate electrode, a second source electrode, and a second drain electrode, wherein each of the second source electrode and the second drain electrode includes a first layer that includes molybdenum and is provided on the second semiconductor layer, a second layer that includes aluminum and is provided on the first layer, and a third layer that includes titanium and is provided on the second layer.

公开(公告)号：US20180175104A1

公开(公告)日：2018-06-21

申请号：US15701455

申请日：2017-09-12

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 ,  H01L33/00

CPC classification number: H01L27/15 ,  F21K9/68 ,  H01L33/005 ,  H01L33/405

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：US20180019377A1

公开(公告)日：2018-01-18

申请号：US15648578

申请日：2017-07-13

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 ,  H01L27/15 ,  H01L33/38 ,  H01L33/44 ,  H01L33/00 ,  H01L33/32 ,  H01L27/12 ,  G09G3/32

CPC classification number: H01L33/24 ,  G09G3/32 ,  G09G2300/0452 ,  G09G2310/0278 ,  H01L25/0753 ,  H01L27/1214 ,  H01L27/156 ,  H01L33/007 ,  H01L33/0075 ,  H01L33/16 ,  H01L33/325 ,  H01L33/38 ,  H01L33/44 ,  H01L2224/95085 ,  H01L2933/0016 ,  H01L2933/0025

Abstract: A light emitting device includes 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：US20170317104A1

公开(公告)日：2017-11-02

申请号：US15380596

申请日：2016-12-15

Applicant: Samsung Display Co., Ltd.

Inventor： Yu-Gwang JEONG ,  Hyun Min CHO ,  Su Bin BAE ,  Shin II CHOI ,  Sang Gab KIM

IPC: H01L27/12 ,  H01L21/311 ,  H01L27/32 ,  G02F1/1368

CPC classification number: H01L27/124 ,  G02F1/1368 ,  G02F2201/123 ,  H01L21/31116 ,  H01L21/31144 ,  H01L27/1218 ,  H01L27/1288 ,  H01L27/3246 ,  H01L27/3248 ,  H01L27/3262 ,  H01L27/3276 ,  H01L29/41733

Abstract: A transistor array panel is manufactured by a method that reduces or obviates the need for highly selective etching agents or complex processes requiring multiple photomasks to create contact holes. The panel includes: a substrate; a buffer layer positioned on the substrate; a semiconductor layer positioned on the buffer layer; an intermediate insulating layer positioned on the semiconductor layer; and an upper conductive layer positioned on the intermediate insulating layer, wherein the semiconductor layer includes a first contact hole, the intermediate insulating layer includes a second contact hole positioned in an overlapping relationship with the first contact hole, and the upper conductive layer is in contact with a side surface of the semiconductor layer in the first contact hole.

公开(公告)号：US20240038152A1

公开(公告)日：2024-02-01

申请号：US18482191

申请日：2023-10-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yo Han LEE ,  Su Mi MOON ,  Hyun Min CHO

IPC: G09G3/32 ,  G09G3/20

CPC classification number: G09G3/32 ,  G09G3/2007 ,  G09G2300/0426 ,  G09G2300/0439 ,  G09G2300/0809 ,  G09G2310/0243 ,  G09G2310/027 ,  G09G2310/0272 ,  G09G2310/08 ,  G09G2330/00

Abstract: A pixel includes a first light source including at least one first light emitting element between a first split electrode and a second power supply; a second light source unit including at least one second light emitting element between a second split electrode and the second power supply; a driving-current generator including a first transistor between a first power supply and the first and second light source units and generating a driving current corresponding to a first data signal; a first switching unit including a first switching element between the driving-current generator and the first light source; and a second switching unit including a second switching element between the driving-current generator and the second light source unit and controlling an electrical connection between the first and second light source units in response to a second data signal.

公开(公告)号：US20240030385A1

公开(公告)日：2024-01-25

申请号：US17786332

申请日：2020-12-11

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Deok IM ,  Jong Hyuk KANG ,  Hyun Min CHO

IPC: H01L33/38 ,  H01L33/62 ,  H01L25/16

CPC classification number: H01L33/387 ,  H01L33/62 ,  H01L25/167 ,  H01L2933/0033 ,  H01L2933/0016

Abstract: A display device includes a first electrode extending in a first direction; a second electrode extending in the first direction and spaced apart from, in a second direction, the first electrode; a light-emitting element having a shape extending in a direction and between the first and second electrodes such that the direction is parallel to the second direction; a first contact electrode having a shape extending in a third direction and having at least a portion on the first electrode; and a second contact electrode having a shape extending in the third direction, spaced apart from, in a fourth direction, the first contact electrode, and having at least a portion on the second electrode, the first contact electrode electrically contacts a side of the light-emitting element, and the second contact electrode electrically contacts another side of the light-emitting element.

公开(公告)号：US20240023414A1

公开(公告)日：2024-01-18

申请号：US18302905

申请日：2023-04-19

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Min CHO ,  Tae Sung KIM ,  Kyong Chol LEE

IPC: H10K59/80 ,  H10K59/122 ,  H10K59/40 ,  H10K59/121 ,  H10K59/12 ,  H10K71/00

CPC classification number: H10K59/874 ,  H10K59/122 ,  H10K59/40 ,  H10K59/80518 ,  H10K59/1213 ,  H10K59/1201 ,  H10K71/00

Abstract: A display device includes a circuit array layer including first and second organic insulating layers on a pixel driving circuit, and a light emitting array layer including an organic insulating material pixel defining layer and a cathode electrode on the organic insulating material pixel defining layer A layer among the first organic insulating material planarization layer, the second organic insulating material planarization layer and the organic insulating material pixel defining layer includes a gas blocking thickness portion which extends from a surface of the layer which is closest to the cathode electrode.

公开(公告)号：US20230352455A1

公开(公告)日：2023-11-02

申请号：US17998629

申请日：2021-04-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Deok IM ,  Jong Hyuk KANG ,  Won Ho LEE ,  Ki Sun JANG ,  Hyun Min CHO

IPC: H01L33/38 ,  H01L27/12 ,  H01L25/075 ,  H01L33/62 ,  H01L33/24 ,  H01L25/16

CPC classification number: H01L25/0753 ,  H01L25/167 ,  H01L27/124 ,  H01L33/24 ,  H01L33/38 ,  H01L33/62

Abstract: A display device includes a substrate including a plurality of pixel areas; and a pixel provided in each of the pixel areas. The pixel may include a first electrode and a second electrode extending in a first direction on the substrate and spaced from each other in a second direction different from the first direction; a bank pattern between the substrate and the first electrode and between the substrate and the second electrode, and including at least two sub-bank patterns in a same column and spaced from each other; and a plurality of light emitting elements between the first and second electrodes. Here, each of the first and second electrodes may have at least two or more widths in the second direction along the first direction.