公开(公告)号：US20240379917A1

公开(公告)日：2024-11-14

申请号：US18781779

申请日：2024-07-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dae Hyun KIM ,  Hyun Min CHO ,  Keun Kyu SONG ,  Je Won YOO ,  Bek Hyun LIM ,  Sung Chan JO

IPC: H01L33/54 ,  H01L25/16 ,  H01L33/20 ,  H01L33/56 ,  H01L33/62

Abstract: A display device and method of manufacturing a display device. The display device includes a first electrode, a second electrode facing the first electrode, a first insulating layer on the first electrode and the second electrode and between the first electrode and the second electrode, a light emitting element on the first insulating layer, a second insulating layer covering the light emitting element and exposing end portions of the light emitting element, a third insulating layer on the second insulating layer, a first contact electrode electrically connected to the first electrode, on the third insulating layer and in contact with a first end portion of the light emitting element exposed by the second insulating layer, and a second contact electrode electrically connected to the second electrode, on the third insulating layer and in contact with a second end portion of the light emitting element exposed by the second insulating layer.

公开(公告)号：US20220093828A1

公开(公告)日：2022-03-24

申请号：US17297950

申请日：2019-08-23

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Oh KWAG ,  Hyun Deok IM ,  Keun Kyu SONG ,  Sung Chan JO ,  Hyun Min CHO

IPC: H01L33/38 ,  H01L27/15

Abstract: A display device is provided. The display device comprises: a first electrode and a second electrode spaced apart from and arranged to face the first electrode; a first insulating layer arranged to cover at least a partial region of the first and second electrodes; a shielding electrode layer which is arranged on the first insulating layer and which does not overlap at least a portion of the first and second electrodes; and at least one light-emitting element arranged between the first and second electrodes so as to be spaced apart from the shielding electrode layer, wherein the at least one light-emitting element can be arranged in a region in which the shielding electrode layer does not overlap the first and second electrodes.

公开(公告)号：US20220037568A1

公开(公告)日：2022-02-03

申请号：US17297326

申请日：2019-08-23

Applicant: Samsung Display Co., LTD.

Inventor： Jin Oh KWAG ,  Dae Hyun KIM ,  Keun Kyu SONG ,  Sung Chan JO ,  Hyun Min CHO

IPC: H01L33/58 ,  H01L33/38 ,  H01L27/15 ,  H01L33/50

Abstract: A display device includes a first electrode and a second electrode that are spaced apart from and facing each other; a light-blocking layer disposed above the first electrode and the second electrode; and at least one light-emitting element disposed between the first electrode and the second electrode. The light-blocking layer includes a light-blocking portion absorbing light and an opening pattern. The light-blocking portion includes an area partially overlapping the first electrode and the second electrode. The at least one opening pattern exposes portions of the first and second electrodes facing each other and at least a portion of an area between the first and second electrodes facing each other. The at least one light-emitting element overlaps the at least one opening pattern.

公开(公告)号：US20210351171A1

公开(公告)日：2021-11-11

申请号：US17278114

申请日：2019-03-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Je Won YOO ,  Dae Hyun KIM ,  Bek Hyun LIM ,  Myeong Hee KIM ,  Chang Il TAE ,  Hyun Min CHO ,  Keun Kyu SONG ,  Jin Oh KWAG

IPC: H01L25/16 ,  H01L33/54 ,  H01L33/44 ,  H01L23/00

Abstract: A display device may include: a substrate including a display area and a non-display area; and pixels disposed on the display area, and each including sub-pixels, each sub-pixel including a pixel circuit layer, and a display element layer including a light emitting element. The display element layer includes first and second electrodes spaced apart from each other; a first insulating layer disposed between the pixel circuit layer and the light emitting element; and a second insulating layer disposed on the light emitting element and filling spaces between the first insulating layer and ends of the light emitting element. The light emitting element includes a first conductive semiconductor layer, an active layer enclosing at least one side of the first conductive semiconductor layer, a second conductive semiconductor layer enclosing the active layer, an electrode layer enclosing the second conductive semiconductor layer, and an insulating film covering the electrode layer.

公开(公告)号：US20210350746A1

公开(公告)日：2021-11-11

申请号：US17384556

申请日：2021-07-23

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Min CHO ,  Sung Chul KIM ,  Dae Hyun KIM ,  Hye Yong CHU ,  Jong Hyuk KANG ,  Keun Kyu SONG ,  Joo Yeol LEE ,  Bek Hyun LIM ,  Hyun Deok IM

IPC: G09G3/3233 ,  H01L33/20 ,  H01L33/00 ,  H01L33/44 ,  H01L33/52 ,  H01L33/38 ,  H01L25/075 ,  H01L25/16 ,  H05B45/40

Abstract: A display device includes: a substrate; a display element layer on one surface of the substrate and including at least one light emitting element emitting light; and a pixel circuit portion on the display element layer and including at least one transistor electrically connected to the light emitting element, wherein the display element layer includes: a first electrode on the substrate and electrically connected to one end of the light emitting element; a second electrode on the substrate and electrically connected to the other end of the light emitting element; and an insulation layer on the substrate including the second electrode, and having a first opening exposing a portion of the second electrode, and wherein the second electrode is electrically connected to the transistor through the first opening.

公开(公告)号：US20210327954A1

公开(公告)日：2021-10-21

申请号：US16338449

申请日：2018-09-21

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Min CHO ,  Dae Hyun KIM ,  Jin Oh KWAG ,  Dong Hyun KIM ,  Keun Kyu SONG ,  Hyun Deok IM ,  Sung Chan JO

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

Abstract: A display device comprises a first electrode, a second electrode disposed to be spaced apart from the first electrode and face the first electrode, a first insulating layer disposed to cover the first electrode and the second electrode, a second insulating layer disposed on at least a part of the first insulating layer and exposing at a part of a region where the first electrode and the second electrode overlaps the first insulating layer and at least one light emitting element on the exposed first insulating layer between the first electrode and the second electrode, wherein the second insulating layer includes at least one opening exposing the first insulating layer and disposed to be spaced apart from each other on a region where the first electrode and the second electrode face each other, and a bridge portion between the openings, and the light emitting element is disposed on the opening.

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：US20210265419A1

公开(公告)日：2021-08-26

申请号：US17316339

申请日：2021-05-10

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Uk KIM ,  Hyun Min CHO ,  Keun Kyu SONG ,  Dae Hyun KIM ,  Jung Hong MIN ,  Seung A LEE ,  Hyung Rae CHA

IPC: H01L27/15 ,  H01L33/50 ,  H01L33/60

Abstract: A display device includes a first pixel and a second pixel; a light emitting layer; a color conversion layer on the light emitting layer; and a color filter layer on the color conversion layer, the light emitting layer including one or more light emitting elements in the first pixel and the second pixel, the color conversion layer including a first color conversion layer in the first pixel and a second color conversion layer in the second pixel. The color filter layer includes a first color filter layer in the first pixel and a second color filter layer in the second pixel, the light emitting elements capable of emitting a first light having a first wavelength, each of the first color conversion layer and the second color conversion layer including first color conversion particles and second color conversion particles.

公开(公告)号：US20210242380A1

公开(公告)日：2021-08-05

申请号：US17049950

申请日：2018-09-27

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Hyun KIM ,  Hyun Min CHO ,  Hyun Deok IM ,  Jong Hyuk KANG ,  Keun Kyu SONG ,  Joo Yeol LEE ,  Bek Hyun LIM ,  SUNG-CHAN JO

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

Abstract: A light emitting device may include: a substrate including a plurality of unit light emitting regions; and first to fourth insulating layers sequentially on the substrate. Each of the unit light emitting regions may include: at least one light emitting element on the first insulating layer, the at least one light emitting element including a first end portion and a second end portion in a length direction thereof; first and second banks on the substrate; a first electrode on the first bank and a second electrode on the second bank; a first contact electrode on the first electrode; a second contact electrode on the second electrode; and a conductive pattern provided between the first insulating layer and the first contact electrode, the conductive pattern surrounding the first and second electrodes when viewed on a plane.

公开(公告)号：US20210233937A1

公开(公告)日：2021-07-29

申请号：US17230919

申请日：2021-04-14

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Sup LEE ,  Jung Hun NOH ,  Keun Kyu SONG ,  Sang Hee JANG ,  Byung Seok CHOI

IPC: H01L27/12 ,  G02F1/1362 ,  G02F1/1368 ,  H01L29/66 ,  H01L29/786

Abstract: A transistor structure may include a first electrode, a second electrode, a third electrode, a substrate, and a semiconductor member. The semiconductor member overlaps the third electrode and includes a first semiconductor portion, a second semiconductor portion, and a third semiconductor portion. The first semiconductor portion directly contacts the first electrode, is directly connected to the third semiconductor portion, and is connected through the third semiconductor portion to the second semiconductor portion. The second semiconductor portion directly contacts the second electrode and is directly connected to the third semiconductor portion. A minimum distance between the first semiconductor portion and the substrate is unequal to a minimum distance between the second semiconductor portion and the substrate.