公开(公告)号：US12191423B2

公开(公告)日：2025-01-07

申请号：US18452520

申请日：2023-08-18

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H01L33/38 ,  H01L25/075 ,  H01L25/16 ,  H01L33/00 ,  H01L33/54 ,  H01L33/62 ,  H10K59/121 ,  H10K59/122 ,  H10K59/123

Abstract: A display device includes: a substrate having a display area and a non-display area; and a pixel in each of a pixel area in the display area. Each of the pixels includes: an insulating layer on the substrate and having an opening; first and second electrodes on the insulating layer and spaced apart from each other; a plurality of light emitting elements in the opening; a first contact electrode electrically connecting one end of the light emitting elements and the first electrode to each other; a second contact electrode electrically connecting another end of the light emitting elements and the second electrode to each other; a first insulating pattern on the first contact electrode; and a second insulating pattern on the second contact electrode. The first insulating pattern and the second insulating pattern are on the same layer and spaced apart from each other.

公开(公告)号：US11362250B2

公开(公告)日：2022-06-14

申请号：US17079181

申请日：2020-10-23

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

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：US12132070B2

公开(公告)日：2024-10-29

申请号：US17557863

申请日：2021-12-21

Applicant: Samsung Display Co., LTD.

Inventor： Jin Taek Kim ,  Ki Nyeng Kang ,  Jun Ho Bae ,  Jong Hwan Cha ,  Min Cheol Chae ,  Su Min Choi

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/08 ,  H01L33/62 ,  H10K59/121 ,  H10K59/122 ,  H10K59/123 ,  H10K59/124

CPC classification number: H01L27/156 ,  H01L33/08 ,  H01L33/382 ,  H01L33/62 ,  H10K59/1213 ,  H10K59/122 ,  H10K59/123 ,  H01L33/38 ,  H10K59/124

Abstract: A display device includes conductive layers on a substrate, a via layer on the conductive layers, a first electrode and a second electrode extending in one direction on the via layer and spaced from each other, a first insulating layer on the first electrode and the second electrode, a plurality of light emitting elements on the first insulating layer, each of the light emitting elements having one end on the first electrode and an other end on the second electrode, and a first connection electrode and a second connection electrode on the first insulating layer, the first connection electrode overlapping the first electrode, and the second connection electrode overlapping the second electrode, wherein the first connection electrode and the second connection electrode are in contact with the conductive layers through contact portions.

公开(公告)号：US12094855B2

公开(公告)日：2024-09-17

申请号：US17210985

申请日：2021-03-24

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook Lee ,  Ki Nyeng Kang ,  Jin Taek Kim ,  Tae Woo Kim ,  Hee Keun Lee ,  Kyung Tae Chae

IPC: H01L29/20 ,  H01L25/075 ,  H01L27/12 ,  H01L33/00 ,  H01L33/62

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

Abstract: A pixel may include a pixel circuit layer including at least one transistor and a first electrode disposed on a substrate, and a first insulating layer disposed on the at least one transistor and the first electrode, and a display element layer disposed on the pixel circuit layer, the display element layer including a second electrode electrically connected to the at least one transistor, and a plurality of light emitting elements electrically connected to each of the first and second electrodes. The first electrode and the second electrode may be disposed on different layers and may be spaced apart from each other. The plurality of light emitting elements may overlap the first and second electrodes in a plan view and a cross-sectional view.

公开(公告)号：US11923346B2

公开(公告)日：2024-03-05

申请号：US17903551

申请日：2022-09-06

Applicant: Samsung Display Co., LTD.

Inventor： Sung Jin Lee ,  Jin Yeong Kim ,  Jin Taek Kim ,  Mi Jin Park ,  Jin Woo Lee ,  Kwang Taek Hong

IPC: H01L25/075 ,  H01L25/16 ,  H01L33/38 ,  H01L33/24 ,  H01L33/44

CPC classification number: H01L25/0753 ,  H01L25/167 ,  H01L33/38 ,  H01L33/24 ,  H01L33/44

Abstract: A display device includes a substrate including a display area and a non-display area, and pixels disposed in the display area. The pixels each include first electrodes, second electrodes spaced apart from the first electrodes, and light emitting elements disposed between the first electrodes and the second electrodes. The first electrodes each include a closed loop of a polygonal shape in some sections.

公开(公告)号：US20230411371A1

公开(公告)日：2023-12-21

申请号：US18110101

申请日：2023-02-15

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan Lee ,  Jin Taek Kim ,  Jeong Su Park ,  Sung Jin Lee ,  Hyun Wook Lee ,  Woong Hee Jeong

IPC: H01L25/16 ,  H01L27/12 ,  H01L33/62

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

Abstract: A display device includes a bank layer disposed on a substrate and defining an emission area, a first to sixth alignment electrodes, each disposed on the substrate extending across the emission area, spaced apart from each other, and sequentially arranged in a direction, a first light emitting element disposed between the first alignment electrode and the second alignment electrode in the emission area and emitting first light, a second light emitting element disposed between the third alignment electrode and the fourth alignment electrode in the emission area and emitting second light, and a third light emitting element disposed between the fifth alignment electrode and the sixth alignment electrode in the emission area and emitting third light. Wavelengths of the first light, the second light, and the third light are different from each other.

公开(公告)号：US11742460B2

公开(公告)日：2023-08-29

申请号：US17098117

申请日：2020-11-13

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L33/38 ,  H01L33/54 ,  H01L33/62 ,  H01L25/075 ,  H01L25/16 ,  H01L27/15 ,  G09F9/33 ,  H01L21/02 ,  H01L21/768 ,  H01L27/12 ,  H01L33/00

CPC classification number: H01L33/382 ,  H01L33/0095 ,  H01L33/54 ,  H01L2933/005 ,  H01L2933/0016

Abstract: A display device includes: a substrate having a display area and a non-display area; and a pixel in each of a pixel area in the display area. Each of the pixels includes: an insulating layer on the substrate and having an opening; first and second electrodes on the insulating layer and spaced apart from each other; a plurality of light emitting elements in the opening; a first contact electrode electrically connecting one end of the light emitting elements and the first electrode to each other; a second contact electrode electrically connecting another end of the light emitting elements and the second electrode to each other; a first insulating pattern on the first contact electrode; and a second insulating pattern on the second contact electrode. The first insulating pattern and the second insulating pattern are on the same layer and spaced apart from each other.

公开(公告)号：US11462518B2

公开(公告)日：2022-10-04

申请号：US16988163

申请日：2020-08-07

Applicant: Samsung Display Co., LTD.

Inventor： Sung Jin Lee ,  Jin Yeong Kim ,  Jin Taek Kim ,  Mi Jin Park ,  Jin Woo Lee ,  Kwang Taek Hong

IPC: H01L25/075 ,  H01L25/16 ,  H01L33/38 ,  H01L33/44 ,  H01L33/24

Abstract: A display device includes a substrate including a display area and a non-display area, and pixels disposed in the display area. The pixels each include first electrodes, second electrodes spaced apart from the first electrodes, and light emitting elements disposed between the first electrodes and the second electrodes. The first electrodes each include a closed loop of a polygonal shape in some sections.

公开(公告)号：US20220140029A1

公开(公告)日：2022-05-05

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: H01L27/32 ,  G09G3/3233 ,  G09G3/3258

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：US11233104B2

公开(公告)日：2022-01-25

申请号：US16937035

申请日：2020-07-23

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.