公开(公告)号：US09941143B2

公开(公告)日：2018-04-10

申请号：US14687080

申请日：2015-04-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Chanwoo Yang ,  Do-Hyun Kim ,  Jeongju Park ,  Junhyun Park ,  Doohyoung Lee ,  Xinxing Li

IPC: H01L29/786 ,  H01L21/467 ,  H01L29/66 ,  H01L21/4757 ,  H01L29/417 ,  H01L29/45 ,  H01L27/12

CPC classification number: H01L21/467 ,  H01L21/47573 ,  H01L27/1225 ,  H01L27/124 ,  H01L27/1248 ,  H01L27/1259 ,  H01L29/41733 ,  H01L29/45 ,  H01L29/66969 ,  H01L29/78606 ,  H01L29/7869

Abstract: A thin film transistor include a control electrode, a semiconductor layer on the control electrode, an input electrode, at least a portion of the input electrode being on the semiconductor layer, and an output electrode spaced apart from the input electrode, at least a portion of the output electrode being on the semiconductor layer. Each of the input electrode and the output electrode includes a wiring layer including a metal material, a dummy portion on a side part of the wiring layer, the dummy portion including an oxide of the metal material, and a protection layer on the wiring layer, the protection layer overlapping the wiring layer and the dummy portion.

公开(公告)号：US12046626B2

公开(公告)日：2024-07-23

申请号：US17281856

申请日：2019-04-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hee Keun Lee ,  Tae Jin Kong ,  Veidhes Basrur ,  Xinxing Li ,  Chang Il Tae

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44 ,  H01L33/62

CPC classification number: H01L27/156 ,  H01L33/005 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44 ,  H01L33/62 ,  H01L2933/0016

Abstract: A display device may include a substrate including a display area and a non-display area, and pixels provided on the display area. Each pixel includes sub-pixels each including an emission area and a non-emission area. Each of the sub-pixels may include a display element layer including at least one light emitting element that emits light. The display element layer may include a first electrode and a second electrode spaced apart from each other with the light emitting element disposed therebetween, connection lines including a first connection line extending in a row direction of the substrate and electrically connected to the first electrode, and a second connection line extending parallel to the first connection line and connected to the second electrode. Two connection lines having a symmetric structure may be disposed in an area between two sub-pixels adjacent to each other in a column direction of the substrate.

公开(公告)号：US12046586B2

公开(公告)日：2024-07-23

申请号：US17269737

申请日：2019-02-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Jin Kong ,  Dae Hyun Kim ,  Myeong Hee Kim ,  Veidhes Basrur ,  Je Won Yoo ,  Xinxing Li ,  Hee Keun Lee ,  Bek Hyun Lim ,  Hyun Min Cho ,  Chang Il Tae

IPC: H01L25/075 ,  B82B3/00 ,  H01L27/12 ,  H01L33/00 ,  H01L33/24 ,  H01L33/36 ,  H01L33/44 ,  H01L33/62 ,  G09G3/32

CPC classification number: H01L25/0753 ,  B82B3/0052 ,  H01L27/1214 ,  H01L33/0062 ,  H01L33/24 ,  H01L33/36 ,  H01L33/44 ,  H01L33/62 ,  G09G3/32 ,  G09G2300/0842 ,  H01L2933/0016 ,  H01L2933/0025

Abstract: A light emitting device includes first and second electrodes disposed on a substrate; an insulating layer disposed on the substrate and including a groove extending in a first direction intersecting with the first and the second electrodes, and first and second contact portions that expose areas of the first and the second electrodes; light emitting elements disposed in the groove between the first and the second electrodes, each including first and second ends electrically connected to the first and second electrodes, respectively; a first contact electrode electrically connected to the light emitting elements on the first ends, and electrically connected to the first electrode on the first contact portion; and a second contact electrode electrically connected to the light emitting elements on the second ends, and electrically connected to the second electrode on the second contact portion.

公开(公告)号：US11749783B2

公开(公告)日：2023-09-05

申请号：US17263391

申请日：2019-01-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Veidhes Basrur ,  Xinxing Li ,  Hee Keun Lee ,  Chang Il Tae ,  Tae Jin Kong ,  Myeong Hee Kim

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/00 ,  H01L33/40 ,  H01L33/62

CPC classification number: H01L33/387 ,  H01L27/156 ,  H01L33/005 ,  H01L33/405 ,  H01L33/62 ,  H01L2933/0016

Abstract: A light emitting device includes first and second electrodes disposed on a substrate and spaced apart from each other; at least one light emitting diode disposed between the first and second electrodes; an insulating pattern overlapping an upper portion of the at least one light emitting diode and exposing first and second ends of the at least one light emitting diode; a first contact electrode electrically connecting the first end of the at least one light emitting diode to the first electrode; and a second contact electrode electrically connecting the second end of the at least one light emitting diode to the second electrode. The insulating pattern may completely overlap the first and second ends of the at least one light emitting diode in a plan view, and have a width reducing toward a lower portion of the insulating pattern.

公开(公告)号：US12199229B2

公开(公告)日：2025-01-14

申请号：US17626268

申请日：2020-07-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Xinxing Li ,  Dae Hyun Kim ,  Hee Keun Lee

IPC: H01L33/62 ,  H01L25/075 ,  H01L27/12 ,  H01L27/15 ,  H01L33/00 ,  H01L33/36 ,  H01L33/38 ,  H01L33/48

Abstract: A pixel may include first and second areas sectioned from each other in a first direction; 1-1-th to 4-1-th electrodes successively arranged in the first area in a second direction intersecting the first direction; 1-2-th to 4-2-th electrodes successively arranged in the second area in the second direction; light emitting elements disposed between two adjacent electrodes of the 1-1-th to 4-1-th electrodes of the first area; light emitting elements disposed between two adjacent electrodes of the 1-2-th to 4-2-th electrodes of the second area; a first conductive pattern disposed in the first area, and electrically connecting the 2-1-th and 3-1-th electrodes; a second conductive pattern disposed over the first and second areas, and electrically connecting the 4-1-th electrode of the first area with the 1-2-th electrode of the second area; and a third conductive pattern disposed in the second area and electrically connecting the 2-2-th and 3-2-th electrodes.

公开(公告)号：US12166022B2

公开(公告)日：2024-12-10

申请号：US17299716

申请日：2019-06-05

Applicant: Samsung Display Co., Ltd.

Inventor： Xinxing Li ,  Tae Jin Kong ,  Hee Keun Lee

IPC: H01L33/36 ,  H01L21/467 ,  H01L25/16 ,  H01L27/12

Abstract: A display device may include a pixel circuit layer. A first electrode and a second electrode may be on the pixel circuit layer and spaced from each other. A first insulating layer may be on the pixel circuit layer, the first electrode, and the second electrode. A conductive pattern may be on the first insulating layer and electrically insulated from the first electrode and the second electrode. The bank may be on the conductive pattern. Light emitting elements may be located on the first insulating layer between the first electrode and the second electrode, and electrically coupled to the first electrode and the second electrode.

公开(公告)号：US12021170B2

公开(公告)日：2024-06-25

申请号：US17261370

申请日：2019-01-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Xinxing Li ,  Tae Jin Kong ,  Myeong Hee Kim ,  Je Won Yoo ,  Hyun Deok Im ,  Baek Hyeon Lim

IPC: H01L33/38 ,  H01L25/075 ,  H01L33/20 ,  H01L33/44

CPC classification number: H01L33/38 ,  H01L25/0753 ,  H01L33/20 ,  H01L33/44 ,  H01L2933/0016

Abstract: A light emitting device may include: a substrate including emission areas; a first electrode disposed on the substrate, and a second electrode spaced apart from the first electrode; at least one light emitting element disposed on the substrate, and including a first end and a second end; an insulating layer disposed on the light emitting element and allowing the first and second ends of the light emitting element to be exposed; a first contact electrode electrically connecting the first electrode with the first end of the light emitting element; a second contact electrode electrically connecting the second electrode with the second end of the light emitting element; and a passivation pattern disposed on each of the first and second contact electrodes. The first and second contact electrodes may be disposed on the insulating layer and spaced apart from each other and may be electrically separated from each other.

公开(公告)号：US10310342B2

公开(公告)日：2019-06-04

申请号：US15471892

申请日：2017-03-28

Applicant: Samsung Display Co., Ltd

Inventor： Sungjin Mun ,  Namwook Lee ,  Kihun Jeong ,  Xinxing Li ,  Hyeongjun Jin

IPC: G02F1/1345 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1339 ,  G02F1/1362 ,  G02F1/1368 ,  H01L27/12

Abstract: A display device includes: a first substrate including a display area and a non-display area; a gate line in the display area and a gate pad in the non-display area, the gate line extending in a first direction; a data line in the display area, the data line extending in a second direction intersecting the first direction; a thin film transistor at an intersection point among the gate line and the data line; a step-difference pattern on the gate pad; and a protective layer including a first protective layer on the thin film transistor and a second protective layer on the step-difference pattern and the gate pad. The second protective layer has a height less than a height of the first protective layer.

公开(公告)号：US09691790B2

公开(公告)日：2017-06-27

申请号：US14671940

申请日：2015-03-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Xinxing Li ,  Man-Jin Kim ,  Jong-Kyun Park ,  Keum-Hee Lee ,  Gi-Jung Lee ,  Chan-Young Lim

IPC: H01L27/12 ,  G02F1/1343 ,  G02F1/1362

CPC classification number: H01L27/124 ,  G02F1/1343 ,  G02F1/134309 ,  G02F2001/13629

Abstract: A display substrate includes a gate metal pattern including a gate line on a base substrate and extending in a first direction, and a gate electrode electrically connected with the gate line, a data metal pattern on the gate metal pattern and including a data line extending in a second direction crossing the first direction, a source electrode electrically connected with the gate line and a drain electrode spaced apart from the source electrode, a first electrode pattern on the data metal pattern, a low-resistance electrode pattern on the first electrode pattern and entirely overlapping with the gate metal pattern and the data metal pattern and a second electrode pattern overlapping with the first electrode pattern.

公开(公告)号：US12224307B2

公开(公告)日：2025-02-11

申请号：US17605781

申请日：2020-01-16

Applicant: SAMSUNG DISPLAY Co., LTD.

Inventor： Xinxing Li ,  Tae Jin Kong ,  Dae Hyun Kim ,  Veidhes Basrur ,  Hyun Min Cho

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

Abstract: A display device includes a pixel disposed in a display area. The pixel includes a first electrode; a first insulating layer disposed on the first electrode, and including openings, each of the openings exposing different areas of the first electrode and defining respective cells; light emitting elements disposed in the respective cells, each of the light emitting elements including a first end electrically connected to the first electrode; and a second end protruding upward from the first insulating layer; and a second electrode disposed on the light emitting elements, and electrically connected to the second ends of each of the light emitting elements.