公开(公告)号：US20230103145A1

公开(公告)日：2023-03-30

申请号：US17752599

申请日：2022-05-24

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo CHOI ,  Sung Kook PARK ,  Sung Eun BAEK ,  Soo Chul KIM

IPC: H01L33/00 ,  H01L27/15

Abstract: An apparatus for fabricating a display panel includes a fixing frame configured to secure an outer periphery of a first transfer film on which light emitting elements are arranged, a film mounting member on which the fixing frame is mounted, a stretching processing member configured to stretch the first transfer film by pressing a rear surface of the first transfer film in a forward direction, and a transfer processing member configured to transfer the light emitting elements to a support film or a second transfer film, the light emitting elements having an interval therebetween changed due to stretching of the first transfer film.

公开(公告)号：US20230095842A1

公开(公告)日：2023-03-30

申请号：US17735832

申请日：2022-05-03

Applicant: Samsung Display Co., LTD.

Inventor： Sung Eun BAEK ,  Jin Woo CHOI ,  Joo Woan CHO ,  Sung Kook PARK

IPC: H01L25/13 ,  H01L27/15 ,  H01L33/06 ,  H01L33/14 ,  H01L33/46 ,  H01L33/50 ,  H01L33/60 ,  H01L33/62

Abstract: A display device includes a circuit board including a first circuit portion, a second circuit portion, and a third circuit portion, a first display panel on the first circuit portion, and configured to emit a first light, a second display panel on the second circuit portion, and configured to emit a second light, a third display panel on the third circuit portion, and configured to emit a third light, and an optical combiner configured to combine the first light, the second light, and the third light to output a light.

公开(公告)号：US20230049315A1

公开(公告)日：2023-02-16

申请号：US17827159

申请日：2022-05-27

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo CHOI ,  Sung Kook PARK ,  Sung Eun BAEK ,  Byeong Hwa CHOI

IPC: H01L25/18 ,  H01L27/15 ,  H01L23/00

Abstract: A display device includes first pixel circuit unit, second pixel circuit unit, third pixel circuit unit, and fourth pixel circuit unit spaced from one another, first pixel electrode on the first pixel circuit unit, second pixel electrode on the second pixel circuit unit, third pixel electrode on the third pixel circuit unit, fourth pixel electrode on the fourth pixel circuit unit, first light-emitting element electrically connected to the first pixel electrode, the first light-emitting element configured to emit first light, second light-emitting element electrically connected to the second pixel electrode, the second light-emitting element configured to emit second light, and third light-emitting element electrically connected to the third pixel electrode, the third light-emitting element configured to emit third light. A length of the first light-emitting element in a first direction is greater than each of a length of the second and third light-emitting elements in the first direction.

公开(公告)号：US20230046091A1

公开(公告)日：2023-02-16

申请号：US17718521

申请日：2022-04-12

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo CHOI ,  Min Woo KIM ,  Sung Kook PARK ,  Sung Eun BAEK ,  So Yeon YOON

IPC: H01L33/38 ,  H01L25/16 ,  H01L33/00

Abstract: A display device includes pixel electrodes disposed on a substrate, at least one light-emitting element disposed on each of the pixel electrodes, a planarization layer disposed on the pixel electrodes and filling a space between the at least one light-emitting element, and a common electrode disposed on the planarization layer and the at least one light-emitting element. Each of the light-emitting elements is arranged perpendicular to a top face of each of the pixel electrodes, at least one of the pixel electrodes includes a protrusion protruding toward an adjacent one of the pixel electrodes, and the protrusion overlaps the light-emitting element in a plan view.

公开(公告)号：US20220352447A1

公开(公告)日：2022-11-03

申请号：US17660304

申请日：2022-04-22

Applicant: Samsung Display Co., LTD.

Inventor： Tae Hee LEE ,  Sung Kook PARK ,  Joo Woan CHO ,  Jin Woo CHOI ,  Hae Yun CHOI

IPC: H01L33/62 ,  H01L33/50

Abstract: There is provided a display device including a display panel including first panel pads arranged along a plurality of rows, each of the rows extending in a first direction in a plan view, wires extending in a second direction crossing the first direction, each of the wires including a first bonding portion attached to a corresponding one of the first panel pads, and a first circuit board including first pads connected to the wires. The first panel pads in a first row of the plurality of rows in a plan view are exposed in the second direction crossing the first direction between the first panel pads in a second row neighboring to the first row of the plurality of rows.

公开(公告)号：US20220352444A1

公开(公告)日：2022-11-03

申请号：US17571322

申请日：2022-01-07

Applicant: Samsung Display Co., LTD.

Inventor： Joo Woan CHO ,  Sung Kook PARK ,  Dae Ho SONG ,  Byung Choon YANG ,  Hyung Il JEON ,  Jin Woo CHOI

IPC: H01L33/62 ,  H01L33/38 ,  H01L33/64 ,  H01L27/15

Abstract: A display device includes a first substrate, light emitting elements and a connection electrode on a first surface of the first substrate, and electrically connected to the light emitting elements, first pads spaced from the connection electrode in a direction, second pads spaced from the connection electrode in another direction, a circuit board including a first circuit board pad and a second circuit board pad, a first pad connection electrode connected to the first pads and the first circuit board pad, and including a first connection part in a first via hole passing through the first substrate, and a first electrode part on the first substrate, and a second pad connection electrode connected to the second pads and the second circuit board pad, and including a second connection part in a second via hole passing through the first substrate, and a second electrode part on the first substrate.

公开(公告)号：US20220352248A1

公开(公告)日：2022-11-03

申请号：US17684782

申请日：2022-03-02

Applicant: Samsung Display Co., LTD.

Inventor： Soo Chul KIM ,  Jin Taek PARK ,  Ki Seong SEO ,  Dae Ho SONG ,  So Yeon YOON ,  Jin Woo CHOI

IPC: H01L27/15 ,  H01L33/50 ,  H01L33/58 ,  H01L33/60 ,  H01L33/62 ,  H01L33/00

Abstract: A display device includes bank patterns disposed on a substrate, light emitting elements disposed between side surfaces of the bank patterns on the substrate, and a color filter layer disposed between the side surfaces of the bank patterns and disposed on the light emitting elements. The light emitting elements and the bank patterns include a same material.

公开(公告)号：US20220352241A1

公开(公告)日：2022-11-03

申请号：US17565056

申请日：2021-12-29

Applicant: Samsung Display Co., LTD.

Inventor： Hyung Il JEON ,  Sung Kook PARK ,  Ki Seong SEO ,  Dae Ho SONG ,  So Yeon YOON ,  Ok Yi LEE ,  Jin Woo CHOI

IPC: H01L27/15 ,  H01L33/50 ,  H01L33/38 ,  H01L33/00

Abstract: A display device includes a substrate, pixel electrodes on the substrate, light emitting elements on corresponding ones of the pixel electrodes, a first partition wall around sides of each of the light emitting elements, a common electrode on an upper surface of each of the light emitting elements, wavelength conversion layers on the common electrode, and a second partition wall around sides of each of the wavelength conversion layers. The first partition wall has conductivity.

公开(公告)号：US20220285586A1

公开(公告)日：2022-09-08

申请号：US17631871

申请日：2020-02-02

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H01L33/38 ,  H01L33/62 ,  H01L27/15 ,  H01L25/075 ,  H01L33/50 ,  H01L33/00

Abstract: A display device may include: a base layer including a plurality of islands, at least one first bridge configured to connect the islands in a first direction, and at least one second bridge configured to connect the islands in a second direction; and at least one pixel including a plurality of sub-pixels in the base layer. Each of the sub-pixels may include: a first electrode and a second electrode in one island of the islands and spaced from each other; a third electrode and a fourth electrode in one bridge of the at least one first bridge and the at least one second bridge and spaced from each other; at least one first light emitting element between the first electrode and the second electrode; and at least one second light emitting element between the third electrode and the fourth electrode.

公开(公告)号：US20210384180A1

公开(公告)日：2021-12-09

申请号：US17285328

申请日：2018-12-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Woo CHOI ,  Min Woo KIM ,  Dae Ho SONG ,  Hyung Il JEON

IPC: H01L25/16 ,  H01L23/00 ,  H01L21/683

Abstract: A display device and a method of manufacturing the display device are proposed. The method may include disposing light emitting elements on a first transfer film; stretching the first transfer film so that the plurality of light emitting elements are spaced apart from each other; transferring the light emitting elements onto a thin film transistor array substrate; and removing the transfer film from the light emitting elements.