公开(公告)号：US20220375990A1

公开(公告)日：2022-11-24

申请号：US17640693

申请日：2020-08-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Deok IM ,  Jong Hyuk KANG ,  Dae Hyun KIM ,  Hyun Min CHO

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

Abstract: A display device includes a pixel in a display area. The pixel includes: spaced apart first and second electrodes; a first insulating layer on the first electrode and the second electrode and between the first electrode and the second electrode and having a first etch selectivity; a first insulating pattern on the first insulating layer between the first electrode and the second electrode, and having a second etch selectivity; a light emitting element on the first insulating pattern; a second insulating pattern having the second etch selectivity and being on one area of the light emitting element such that a first end and the second end of the light emitting element are exposed; and third and fourth electrodes configured to electrically connect the first end and the second end of the light emitting element to the first and second electrodes, respectively.

公开(公告)号：US20220069166A1

公开(公告)日：2022-03-03

申请号：US17411793

申请日：2021-08-25

Applicant: Samsung Display Co., LTD.

Inventor： Ock Soo SON ,  Dae Hyun KIM

IPC: H01L33/38 ,  H01L27/15

Abstract: A pixel may include first and second electrodes that are spaced apart from each other in a first direction, the first and second electrodes each extending in a second direction intersecting the first direction; and light emitting elements disposed between the first and second electrodes. The first electrode may include at least one (1-1)th electrode extending in a third direction inclined with respect to one of the first and second directions, and at least one (1-2)th electrode extending in a fourth direction intersecting the third direction. The second electrode may include at least one (2-1)th electrode extending in the third direction and at least one (2-2)th electrode extending in the fourth direction.

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：US20220013693A1

公开(公告)日：2022-01-13

申请号：US17290682

申请日：2019-05-27

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Min CHO ,  Jung Hong MIN ,  Dae Hyun KIM ,  Dong Uk KIM ,  Jae Hoon JUNG

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

Abstract: Provided are a light-emitting diode structure and a light-emitting diode manufacturing method. The light-emitting diode manufacturing method comprises the operations of:
preparing a lower substrate, which includes a substrate and a separation layer formed on the substrate, and preparing at least one semiconductor rod, which is formed on the separation layer, forming a rod structure, which includes a rod protecting layer formed on the separation layer to surround the at least one semiconductor rod and an auxiliary layer formed on at least part of the rod protecting layer and separating the rod structure from the lower substrate by removing the separation layer, and separating the at least one semiconductor rod from the rod structure.

公开(公告)号：US20210399181A9

公开(公告)日：2021-12-23

申请号：US17255987

申请日：2018-09-21

Applicant: Samsung Display Co., LTD.

Inventor： Jong Hyuk KANG ,  Hyun Min CHO ,  Dae Hyun KIM ,  Hyun Deok IM

IPC: H01L33/50 ,  H01L25/075 ,  H01L27/12 ,  H01L33/58 ,  H01L33/62

Abstract: A display device comprises first and second pixels, a light-emitting layer, color conversion layers, and color filter layers, the light-emitting layer comprising first and second light-emitting elements in the first and second pixels, wherein the color conversion layers comprise first and second color conversion layers in the first and second pixels, the color filter layers comprise first and second color filter layers in the first and second pixels, the first and second light-emitting elements emit first light having a central wavelength range of a first wavelength, the first and second color conversion layers contain color conversion particles converting the first light into second light having a central wavelength range of a second wavelength longer than the first wavelength, the first color filter layer transmits the first light and blocks the second light, and the second color filter layer transmits the second light and blocks transmission of the first light.

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：US20210305222A1

公开(公告)日：2021-09-30

申请号：US17258992

申请日：2018-12-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jung Hong MIN ,  Dae Hyun KIM ,  Hyun Deok IM ,  Hyun Min CHO ,  Jong Hyuk KANG ,  Dong Uk KIM ,  Bek Hyun LIM ,  Jae Ik LIM

IPC: H01L25/075 ,  H01L27/12 ,  H01L33/24 ,  H01L33/40 ,  H01L33/62

Abstract: A light emitting device may include a first electrode disposed on a substrate, and a second electrode spaced apart from the first electrode, the first electrode and the second electrode being disposed on a same layer; an insulating pattern disposed between the first electrode and the second electrode, and overlapping a portion of the first electrode and a portion of the second electrode; and at least one light emitting element disposed on the insulating pattern, and including a first end and a second end in a longitudinal direction of the at least one light emitting element; a first bank disposed on the first electrode, and a second bank disposed on the second electrode; a first reflective electrode disposed on the first bank and electrically connected with the first electrode; and a second reflective electrode disposed on the second bank and electrically connected with the second electrode.

公开(公告)号：US20210296550A1

公开(公告)日：2021-09-23

申请号：US17266387

申请日：2019-02-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Xinxing LI ,  Dae Hyun KIM ,  Myeong Hee KIM ,  Veidhes BASRUR ,  Je Won YOO ,  Bek Hyun LIM

IPC: H01L33/62 ,  G09G3/32 ,  H01L33/38 ,  H01L27/15 ,  H01L33/00

Abstract: A display device may include a substrate including a display area and a non-display area; and pixels provided in the display area, each of the plurality of pixels comprising sub-pixels. Each of the plurality of sub-pixels may include a pixel circuit layer including at least one transistor, and a display element layer including an emission area and a peripheral area, a first electrode provided in the emission area, a second electrode spaced apart from the first electrode, at least one light emitting element provided in the emission area, and including a first end electrically connected to the first electrode, and a second end electrically connected to the second electrode; a first connection line provided in the peripheral area; and a bridge pattern provided in the peripheral area, and diverging from the first connection line. The bridge pattern may be electrically disconnected from each of the first and second electrodes.