公开(公告)号：US20190206977A1

公开(公告)日：2019-07-04

申请号：US16236747

申请日：2018-12-31

Applicant: Samsung Display Co., Ltd.

Inventor： Pil Suk Lee ,  Jin Taek Kim ,  Ki Wan Ahn

IPC: H01L27/32 ,  H01L51/56

Abstract: A display device including a first signal line disposed on a substrate, a first insulating layer disposed on the first signal line, and a second signal line disposed on the first insulating layer and crossing the first signal line, in which the first insulating layer includes a recess portion providing a surface height lower than other areas of the first insulating layer, and the first signal line and the second signal line overlap each other with the recess portion therebetween.

公开(公告)号：US12302690B2

公开(公告)日：2025-05-13

申请号：US17316505

申请日：2021-05-10

Applicant: Samsung Display Co., Ltd.

Inventor： Ki Bum Kim ,  Jin Taek Kim ,  Sang Hoon Lee ,  Hyun Wook Lee

IPC: H01L27/15 ,  H01L33/38 ,  H10K50/813 ,  H10K50/822 ,  H10K59/122 ,  H10K59/124 ,  H10K71/00

Abstract: A display device and a method of fabricating a display device are provided, the display device comprising a first substrate, first and second electrodes on the first substrate and spaced apart from each other, a first insulating layer covering portions of the first and second electrodes, light-emitting elements on the first insulating layer, a first contact electrode on the first electrode and in contact with first end portions of the light-emitting elements, a second insulating layer on the light-emitting elements and covering a first end portion of the first contact electrode, and a second contact electrode between the second insulating layer and the second electrode, and in contact with second end portions of the light-emitting elements.

公开(公告)号：US12183855B2

公开(公告)日：2024-12-31

申请号：US18440459

申请日：2024-02-13

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook Lee ,  Ki Bum Kim ,  Jin Taek Kim ,  Jung Eun Hong

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

Abstract: A display device includes a substrate, a first electrode and a second electrode which are spaced apart from each other in a second direction, light-emitting elements spaced apart from each other in the first direction, a first contact electrode electrically contacting the light-emitting elements, and a second contact electrode electrically contacting the light-emitting elements. The first contact electrode electrically contacts the first electrode through a first contact portion disposed on the first electrode, the second contact electrode electrically contacts the second electrode through a second contact portion disposed on the second electrode, the first contact portion is disposed on an end portion in the first direction of the first contact electrode, and the second contact portion is disposed on an end portion in the first direction of the second contact electrode.

公开(公告)号：US12161027B2

公开(公告)日：2024-12-03

申请号：US17236995

申请日：2021-04-21

Applicant: Samsung Display Co., Ltd.

Inventor： Ki Bum Kim ,  Kyung Tae Chae ,  Ki Nyeng Kang ,  Jin Taek Kim ,  Hyun Wook Lee

IPC: H10K59/131 ,  H10K59/123

Abstract: A display device including: a substrate; a conductive layer on the substrate and including a first voltage line and a second voltage line extending in a first direction; a first electrode and a second electrode on the conductive layer, extending in the first direction, and spaced apart from each other; a plurality of light-emitting elements on the first electrode and the second electrode; and an electrode pattern on the conductive layer and separated from the first electrode. The electrode pattern overlaps the first voltage line in a thickness direction and directly contacts the first voltage line.

公开(公告)号：US11916171B2

公开(公告)日：2024-02-27

申请号：US17327192

申请日：2021-05-21

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook Lee ,  Ki Bum Kim ,  Jin Taek Kim ,  Jung Eun Hong

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

CPC classification number: H01L33/387 ,  H01L27/156 ,  H01L33/62

Abstract: A display device includes a substrate, a first electrode and a second electrode which are spaced apart from each other in a second direction, light-emitting elements spaced apart from each other in the first direction, a first contact electrode electrically contacting the light-emitting elements, and a second contact electrode electrically contacting the light-emitting elements. The first contact electrode electrically contacts the first electrode through a first contact portion disposed on the first electrode, the second contact electrode electrically contacts the second electrode through a second contact portion disposed on the second electrode, the first contact portion is disposed on an end portion in the first direction of the first contact electrode, and the second contact portion is disposed on an end portion in the first direction of the second contact electrode.

公开(公告)号：US11870025B2

公开(公告)日：2024-01-09

申请号：US17839200

申请日：2022-06-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Taek Kim ,  Seung Min Lee ,  Jung Hwan Yi ,  Hee Keun Lee ,  Bek Hyun Lim ,  Kyung Tae Chae

IPC: H01L33/62 ,  H01L25/075 ,  H01L27/12 ,  H01L29/786 ,  G09G3/32

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L27/1259 ,  H01L29/78633 ,  G09G3/32 ,  G09G2300/0426 ,  G09G2300/0439 ,  G09G2300/08 ,  G09G2310/0267 ,  H01L2933/0066

Abstract: A display device includes a first substrate, a wire pad in a pad area, first banks in a display area, electrodes on the first banks, a pad electrode base layer on the wire pad, having a greater width than the wire pad, and covering sides of the wire pad, a first insulating layer covering parts of the electrodes and part of the pad electrode base layer, light-emitting elements on the first insulating layer in the display area, respective ends of the light-emitting elements being on different electrodes, contact electrodes on the electrodes and contacting first ends of the light-emitting elements, and a pad electrode upper layer on the first insulating layer in the pad area and directly contacting the pad electrode base layer, wherein the pad electrode base layer includes the same material as the electrodes, and the pad electrode upper layer includes the same material as the contact electrodes.

公开(公告)号：US11552144B2

公开(公告)日：2023-01-10

申请号：US17579699

申请日：2022-01-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sang Ho Park ,  Yeon Hong Kim ,  Jin Yeong Kim ,  Jin Taek Kim ,  Soo Hyun Moon ,  Mi Jin Park ,  Tae Hoon Yang ,  Sung-Jin Lee ,  Jin Woo Lee ,  Kwang Taek Hong

IPC: G09G3/30 ,  H01L27/32 ,  G09G3/3233 ,  G09G3/3258 ,  H01L27/12

Abstract: A light emitting diode display device including: an organic light emitting diode including an anode electrode; a first transistor for providing a current to the anode electrode of the organic light emitting diode; a second transistor for transmitting a voltage to a gate electrode of the first transistor; a first capacitor for storing the voltage transmitted to the gate electrode of the first transistor; and a second capacitor disposed between a first electrode of the second transistor and a data line, wherein the first electrode of the second transistor is directly connected to the anode electrode of the organic light emitting diode.

公开(公告)号：US12155021B2

公开(公告)日：2024-11-26

申请号：US17222434

申请日：2021-04-05

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook Lee ,  Ki Nyeng Kang ,  Ki Bum Kim ,  Jin Taek Kim ,  Kyung Tae Chae

IPC: H01L33/62 ,  G09G3/32 ,  H01L25/075 ,  H01L25/16 ,  H01L27/12 ,  H01L27/15 ,  H01L33/18 ,  H01L33/36 ,  H01L33/38 ,  H01L33/54

Abstract: A pixel includes a first insulating film disposed on a substrate, a light emitting element disposed on the first insulating film, a second insulating film disposed on the light emitting element to cover at least a portion of the light emitting element, a first contact electrode and a second contact electrode, each of the first and second contact electrodes including at least a portion disposed on the first insulating film and connected to the light emitting element, and an encapsulation layer including a photosensitive material.

公开(公告)号：US12094920B2

公开(公告)日：2024-09-17

申请号：US18186917

申请日：2023-03-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Taek Kim ,  Jin Yeong Kim ,  Soo Hyun Moon ,  Sang Ho Park ,  Seung Min Lee ,  Jin Woo Lee ,  Tae Hoon Yang

IPC: H01L27/15 ,  G09G3/32 ,  H01L33/06 ,  H01L33/38 ,  H01L33/62

CPC classification number: H01L27/156 ,  G09G3/32 ,  H01L33/06 ,  H01L33/387 ,  H01L33/62 ,  G09G2310/0278

Abstract: A display panel includes a base layer having a display area and a non-display area including a pad area; a plurality of transistors on the base layer; a first protective layer covering the plurality of transistors; a conductive layer on the first protective layer; a second protective layer over the conductive layer; a first electrode and a second electrode on the second protective layer, the first and second electrodes being spaced from each other; a plurality of light emitting elements between the first electrode and the second electrode; a first contact electrode on the first electrode, the first contact electrode being in contact with one end portion of the light emitting element, and a second contact electrode on the second electrode, the second contact electrode being in contact with the other end portion of the at least one light emitting element; and a first pad in the pad area.

公开(公告)号：US12002790B2

公开(公告)日：2024-06-04

申请号：US17210282

申请日：2021-03-23

Applicant: Samsung Display Co., Ltd.

Inventor： Hee Keun Lee ,  Jin Taek Kim ,  Seung Min Lee ,  Jung Hwan Yi ,  Baek Hyeon Lim ,  Kyung Tae Chae

IPC: H01L25/075 ,  H01L27/12 ,  H01L33/38 ,  H01L33/44 ,  H01L33/62

CPC classification number: H01L25/0753 ,  H01L27/1214 ,  H01L33/38 ,  H01L33/44 ,  H01L33/62

Abstract: A pixel includes a first electrode and a second electrode facing each other, an insulating layer on the first and second electrodes, a plurality of light-emitting elements located on the insulating layer between the first electrode and the second electrode, a first contact electrode electrically connected to the first electrode, and a second contact electrode electrically connected to the second electrode. Here, a first gap having a constant width in a first direction and a second gap having a width in the first direction that gradually changes along a second direction are located between the first electrode and the second electrode or between the first contact electrode and the second contact electrode.