公开(公告)号：US20220216179A1

公开(公告)日：2022-07-07

申请号：US17603810

申请日：2020-01-17

Applicant: Samsung Display Co., LTD.

Inventor： Eun A YANG ,  Jong Hyuk KANG ,  Hyun Deok IM ,  Hyun Min CHO

IPC: H01L23/00 ,  H01L25/16 ,  H01L27/12

Abstract: A display device may include: a substrate including a display area and a non-display area; and at least one pixel disposed in the display area, and including at least one pixel having an emission area formed to emit light. The at least one pixel may include: a plurality of first electrodes disposed on the substrate and arranged in a column direction; second electrodes spaced apart from the first electrodes; a first connection line extending in the column direction, and connecting each of the first electrodes to the first electrodes adjacent thereto; a light emitting element electrically connected to at least one of the first electrodes and at least one of the second electrodes; and an insulating pattern overlapping the first connection line.

公开(公告)号：US20210320089A1

公开(公告)日：2021-10-14

申请号：US17276776

申请日：2019-03-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jong Hyuk KANG ,  Hae Yun CHOI ,  Han Su KIM ,  Eun A YANG ,  Hyun Min CHO ,  Keun Kyu SONG ,  Jin Oh KWAG

IPC: H01L25/075 ,  H01L33/00

Abstract: An apparatus for manufacturing a light emitting display device includes a substrate transfer stage including a plurality of support plates arranged at an interval in a first direction, each of the plurality of support plates extending in a second direction; and at least one electric-field application module disposed on at least one side of the substrate transfer stage. The at least one electric-field application module includes a probe head including at least one probe pin; and a driver connected to the probe head to move the probe head at least up and down.

公开(公告)号：US20230207608A1

公开(公告)日：2023-06-29

申请号：US17923509

申请日：2021-04-01

Applicant: Samsung Display Co., LTD.

Inventor： Han Su KIM ,  Eun A YANG ,  Jong Hyuk KANG ,  Hyun Min CHO

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

CPC classification number: H01L27/156 ,  H01L33/005 ,  H01L33/24 ,  H01L33/44

Abstract: A display device includes: a pixel region including a plurality of alignment areas and a non-alignment area adjacent to the plurality of alignment areas; a plurality of electrodes extending in a direction and be spaced apart from each other in the pixel region; a plurality of light-emitting elements disposed between the plurality of electrodes in the plurality of alignment areas and including at least one end of the plurality of light-emitting elements disposed on one of the plurality of electrodes; and an alignment-inducing layer including a first part disposed in the non-alignment area.

公开(公告)号：US20210288033A1

公开(公告)日：2021-09-16

申请号：US17257556

申请日：2018-09-27

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Ik LIM ,  Eun A YANG ,  Hae Yun CHOI

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

Abstract: A light emitting device may include; a substrate including a plurality of unit light emitting regions; at least one first light emitting element having a first end portion and a second end portion in a first direction; at least one second light emitting element having a first end portion and a second end portion in a second direction intersecting the first direction; a first electrode connected to any one of the first and second end portions of each of the first and second light emitting elements and a second electrode connected to the other of the first and second end portions of each of the first and second light emitting elements; a first alignment line extending along the second direction on the substrate, the first alignment line being connected to the first electrode; and a second alignment line connected to the second electrode.

公开(公告)号：US20230033767A1

公开(公告)日：2023-02-02

申请号：US17783969

申请日：2020-11-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Eun A YANG ,  Han Su KIM ,  Jong Hyuk KANG ,  Hyun Min CHO

IPC: H01L33/38 ,  H01L33/20 ,  H01L27/15 ,  H01L33/62

Abstract: A display device may include pixels disposed on a substrate. Each of the pixels may include a first electrode, a second electrode spaced apart from the first electrode and enclosing a perimeter of the first electrode, light emitting elements disposed between the first electrode and the second electrode, and each including a first end and a second end, a third electrode overlapping the first electrode and the first end of each of the light emitting elements in a plan view, and electrically contacting the first electrode and the first end of each of the light emitting elements, and a fourth electrode overlapping the second electrode and the second end of each of the light emitting elements in a plan view, and electrically contacting the second electrode and the second end of each of the light emitting elements. The light emitting elements may be radially disposed around the first electrode.

公开(公告)号：US20220161561A1

公开(公告)日：2022-05-26

申请号：US17474589

申请日：2021-09-14

Applicant: Samsung Display Co., LTD.

Inventor： Han Su KIM ,  Eun A YANG ,  Woong Bae KIM

IPC: B41J2/165 ,  B41J2/175

Abstract: An inkjet printing device and a method of addressing non-discharge. The inkjet printing device comprises a print head including nozzles that discharge an ink including light emitting elements, a dipping bath in which the print head is immersed and which includes a suction solution, and a suctioning part which is connected to the print head and suctions the suction solution along with the ink remaining in the print head unit.

公开(公告)号：US20210343783A1

公开(公告)日：2021-11-04

申请号：US17282255

申请日：2019-04-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Woo CHOI ,  Eun A YANG ,  Hyun Min CHO

IPC: H01L27/15 ,  H01L33/38

Abstract: A display deice includes a pair of first color sub-pixels arranged in a display area in a first direction, each of the pair of first color sub-pixels including at least one first color light emitting element, and a bank enclosing the pair of first color sub-pixels. The bank includes at least two areas having different widths in an area corresponding to each of the pair of first color sub-pixels.

公开(公告)号：US20240047473A1

公开(公告)日：2024-02-08

申请号：US18356155

申请日：2023-07-20

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo CHOI ,  Min Woo KIM ,  Sung Chan JO ,  Eun A YANG ,  Jong Ho HONG

IPC: H01L27/12 ,  H01L25/16 ,  H01L33/62 ,  G02F1/167 ,  G02F1/16766

CPC classification number: H01L27/124 ,  H01L25/167 ,  H01L33/62 ,  G02F1/167 ,  G02F1/16766

Abstract: Provided is a stretchable display device. The stretchable display device according to one or more embodiments of the present disclosure includes a substrate including a first island pattern, a second island pattern, and a bridge pattern connecting the first island pattern and the second island pattern, a first pixel electrode above the first island pattern, and having an area that is greater than an area of the first island pattern, a second pixel electrode above the second island pattern, a display layer above the first pixel electrode and the second pixel electrode, and configured to display an image, and a common electrode above the display layer.

公开(公告)号：US20230207738A1

公开(公告)日：2023-06-29

申请号：US17984121

申请日：2022-11-09

Applicant: Samsung Display Co., LTD.

Inventor： Eun A YANG ,  Han Su KIM ,  Jong Chan LEE

IPC: H01L33/38 ,  H01L33/62 ,  H01L25/075

CPC classification number: H01L33/387 ,  H01L33/62 ,  H01L25/0753

Abstract: A display device includes: a plurality of pixels having emission areas; a first and second electrode and a second electrode in an emission area; a bank layer extending around the emission areas and having a plurality of trench portions between adjacent ones of the emission areas; a plurality of light emitting elements on the first and second electrodes; a first and second connection electrode on the first electrode and the second electrode, respectively, and in contact with at least one of the light emitting elements. Ones of the trench portions are spaced apart from each other in the first direction and are a partially depressed top surface of the bank layer, and each of the trench portions has a maximum width that is smaller than a length of the light emitting element.

公开(公告)号：US20220406763A1

公开(公告)日：2022-12-22

申请号：US17742948

申请日：2022-05-12

Applicant: Samsung Display Co., LTD.

Inventor： Eun A YANG ,  Han Su KIM ,  Woong Bae KIM

IPC: H01L25/16 ,  H01L27/12 ,  H01L23/00

Abstract: A display device according to an embodiment includes a pixel and a bank. The pixel includes sub-pixels and an emission area including sub-emission areas corresponding to the sub-pixels. The bank surrounds the emission area. The pixel includes electrodes disposed in each of the sub-emission areas, at least one light emitting element disposed in each of the sub-emission areas, and bank patterns disposed under the electrodes, the bank patterns overlapping a portion of the electrodes. The bank patterns include a first bank pattern including a first valley, the first bank pattern being disposed in a first edge area of the emission area in a first direction. The bank patterns include a second bank pattern including a second valley, the second bank pattern being disposed in a second edge area of the emission area in the first direction.