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：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：US20230163251A1

公开(公告)日：2023-05-25

申请号：US17987622

申请日：2022-11-15

Applicant: Samsung Display Co., LTD.

Inventor： Hae Yun CHOI ,  Soo Chul KIM ,  Ok Yi LEE ,  Tae Hee LEE ,  Joo Woan CHO

IPC: H01L33/50 ,  H01L27/15 ,  H01L33/10 ,  H01L33/38

CPC classification number: H01L33/502 ,  H01L27/156 ,  H01L33/10 ,  H01L33/382

Abstract: A display device includes a substrate; a partition wall on the substrate; a light emitting element extends in a thickness direction of the substrate and is in an emission area of the substrate partitioned by the partition wall; a wavelength conversion layer on the light emitting element and includes a base resin and wavelength conversion particles dispersed in the base resin and being for converting a wavelength of light emitted from the light emitting element; a light blocking member on the partition wall; a reflective member between the light blocking member and the partition wall; and an optical pattern on the wavelength conversion layer in the emission area and having a shape protruding in an upward direction away from the substrate.

公开(公告)号：US20230135600A1

公开(公告)日：2023-05-04

申请号：US17841449

申请日：2022-06-15

Applicant: Samsung Display Co., LTD.

Inventor： Jin Taek PARK ,  Duk Sung KIM ,  Soo Chul KIM ,  Dae Ho SONG ,  Byeong Hwa CHOI ,  Jin Woo CHOI

IPC: H01L33/38 ,  H01L33/42 ,  H01L33/04 ,  H01L33/50 ,  H01L33/00

Abstract: A light emitting element, a display device including the same, and method of fabricating the display device are provided. The display device including a pixel electrode on a substrate, a light emitting element on the pixel electrode, and including a first semiconductor layer, an active layer on the first semiconductor layer, and a second semiconductor layer on the active layer, a connection electrode layer between the light emitting element and the pixel electrode, and directly contacting the pixel electrode, an insulating layer on the substrate and the pixel electrode, and surrounding the light emitting element, and a common electrode on the insulating layer directly contacting the second semiconductor layer of the light emitting element.

公开(公告)号：US20240365589A1

公开(公告)日：2024-10-31

申请号：US18767072

申请日：2024-07-09

Applicant: Samsung Display Co., LTD.

Inventor： Soo Chul KIM ,  Dae Ho SONG ,  Jin Taek PARK ,  So Young YEO ,  Ok Yi LEE

IPC: H10K59/121 ,  H10K50/86 ,  H10K59/12 ,  H10K59/122 ,  H10K59/38 ,  H10K71/00

CPC classification number: H10K59/1213 ,  H10K50/865 ,  H10K59/122 ,  H10K59/38 ,  H10K71/00 ,  H10K59/1201

Abstract: A display device includes pixels disposed on a substrate. Each of the pixels include a pixel circuit layer disposed on the substrate and includes at least one transistor, a first electrode disposed on the pixel circuit layer and electrically connected to the at least one transistor, a bank disposed on the first electrode, the bank including an opening exposing the first electrode, a conductive pattern disposed on a side surface of the bank surrounding the opening of the bank and the exposed first electrode, a light-emitting element disposed on the conductive pattern in the opening of the bank and electrically connected to the first electrode, and a second electrode disposed on the light-emitting element. The conductive pattern is a guide member that guides light emitted from the light-emitting element to an upper portion of the second electrode.

公开(公告)号：US20240030398A1

公开(公告)日：2024-01-25

申请号：US18299269

申请日：2023-04-12

Applicant: Samsung Display Co., LTD.

Inventor： Eok Yi LEE ,  Soo Chul KIM ,  Dae Ho SONG ,  So Young YEO ,  Ki Beom LEE ,  Sung Won CHO

IPC: H01L33/62 ,  H01L25/075 ,  H01L25/16 ,  H01L33/40 ,  H01L33/50 ,  H01L33/46 ,  H01L27/12

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L25/167 ,  H01L33/40 ,  H01L33/505 ,  H01L33/46 ,  H01L27/1288 ,  H01L27/124 ,  H01L2933/0016 ,  H01L2933/0066 ,  H01L2933/0041

Abstract: The disclosure provides a display device and a method of manufacturing the same. The display device includes a plurality of pixel circuit parts disposed on a substrate, a plurality of pixel electrodes, each disposed on the pixel circuit parts, a first insulating layer filling a space between the pixel electrodes, a plurality of light emitting elements, each disposed on the pixel electrodes, and connection electrodes disposed between the light emitting elements and the pixel electrodes. Each of the pixel electrodes includes a protrusion protruding toward a corresponding one of the connection electrodes.

公开(公告)号：US20230187581A1

公开(公告)日：2023-06-15

申请号：US17883181

申请日：2022-08-08

Applicant: Samsung Display Co., LTD.

Inventor： So Young YEO ,  Ok Yi LEE ,  Soo Chul KIM ,  Jin Taek PARK ,  Dae Ho SONG ,  Ki Beom LEE

IPC: H01L33/38 ,  H01L27/15

CPC classification number: H01L33/382 ,  H01L27/156

Abstract: A display device is provided. The display device comprises a substrate, contact electrodes and a common contact electrode on the substrate, light-emitting elements on the contact electrodes, and a common connecting electrode on the common contact electrode and connected to the light-emitting elements, wherein the common connecting electrode includes first conductive patterns, which are in contact with the common contact electrode.

公开(公告)号：US20240162275A1

公开(公告)日：2024-05-16

申请号：US18475040

申请日：2023-09-26

Applicant: Samsung Display Co., Ltd.

Inventor： Soo Chul KIM ,  Tae Gyun KIM ,  Sung Won CHO ,  Jin Taek PARK ,  Jae Ho CHOI

IPC: H01L27/15

CPC classification number: H01L27/156

Abstract: A display device includes a plurality of pixel electrodes on a substrate, light-emitting elements on the plurality of pixel electrodes and extending in a thickness direction of the substrate and connecting electrodes between the plurality of pixel electrodes and the light-emitting elements, wherein a width of the connecting electrodes is greater than a width of the light-emitting elements, and upper corners of each of the light-emitting elements and upper corners of each of the connecting electrodes are rounded.

公开(公告)号：US20240021660A1

公开(公告)日：2024-01-18

申请号：US18182113

申请日：2023-03-10

Applicant: Samsung Display Co., LTD.

Inventor： So Young YEO ,  Soo Chul KIM ,  Jin Taek PARK ,  Dae Ho SONG ,  Eok Yi LEE

IPC: H01L27/15

CPC classification number: H01L27/156

Abstract: A display device includes: a circuit board including a plurality of pixel drivers respectively corresponding to a plurality of emission areas; a plurality of pixel electrodes on the circuit board and respectively corresponding to the plurality of emission areas; a plurality of pixel connection electrodes respectively on the plurality of pixel electrodes, each of the plurality of pixel connection electrodes including: a main layer on each of the plurality of pixel electrodes; and a sub-layer surrounding a part of a side surface of the main layer adjacent to a top surface of the main layer and including a material different from a material of the main layer; and a plurality of light emitting elements respectively on the plurality of pixel connection electrodes.

公开(公告)号：US20240014350A1

公开(公告)日：2024-01-11

申请号：US18127555

申请日：2023-03-28

Applicant: Samsung Display Co., LTD.

Inventor： Sung Won CHO ,  Soo Chul KIM ,  Dae Ho SONG ,  Eok Yi LEE ,  Jae Ho CHOI

IPC: H01L33/38 ,  H01L33/10 ,  H01L33/62 ,  H01L25/075 ,  H01L33/50

CPC classification number: H01L33/382 ,  H01L33/10 ,  H01L33/62 ,  H01L25/0753 ,  H01L33/505 ,  H01L2933/0016 ,  H01L2933/0066 ,  H01L2933/0041

Abstract: A display device includes: a substrate; pixel electrodes on the substrate; light emitting elements on the pixel electrodes and extending in a thickness direction of the substrate; a first insulating layer extending around sides of the light emitting element; and a connection electrode between one of the pixel electrodes and a corresponding one of the light emitting elements. The connection electrode includes: a connection portion bonding the pixel electrode to the light emitting element; and a reflection portion integral with the connection portion and extending around the sides of the light emitting element on the first insulating layer.