公开(公告)号：US20220352450A1

公开(公告)日：2022-11-03

申请号：US17867627

申请日：2022-07-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Yeong KIM ,  Mi Jin PARK ,  Sang Ho PARK ,  Tae Hoon YANG ,  Sung Jin LEE

IPC: H01L33/62 ,  H01L33/20 ,  G09G3/32 ,  H01L33/38 ,  H01L25/16 ,  H01L27/32 ,  H01L25/075

Abstract: A display device includes a substrate including a display area and a non-display area, a pixel located in the display area, a pad unit on one side of the non-display area, and a driver connected to the pixel. The pixel includes a first insulating layer, a first light emitting element on the first insulating layer, a second insulating layer on the first light emitting element and exposing one end portion and another end portion of the first light emitting element, a first contact electrode on the second insulating layer and connected to the one end portion of the first light emitting element, and a second contact electrode on the second insulating layer and connected to the other end portion of the first light emitting element. The pad unit includes a pad metal layer, a first pad insulating layer, a second pad insulating layer, and a pad electrode.

公开(公告)号：US20210043707A1

公开(公告)日：2021-02-11

申请号：US16937035

申请日：2020-07-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sang Ho PARK ,  Yeon Hong KIM ,  Jin Yeong KIM ,  Jin Taek KIM ,  Soo hyun MOON ,  Mi Jin PARK ,  Tae Hoon YANG ,  Sung-Jin LEE ,  Jin Woo LEE ,  Kwang Taek HONG

IPC: H01L27/32 ,  G09G3/3233 ,  G09G3/3258

Abstract: A light emitting diode display device including: an organic light emitting diode including an anode electrode; a first transistor for providing a current to the anode electrode of the organic light emitting diode; a second transistor for transmitting a voltage to a gate electrode of the first transistor; a first capacitor for storing the voltage transmitted to the gate electrode of the first transistor; and a second capacitor disposed between a first electrode of the second transistor and a data line, wherein the first electrode of the second transistor is directly connected to the anode electrode of the organic tight emitting diode.

公开(公告)号：US20250089426A1

公开(公告)日：2025-03-13

申请号：US18956923

申请日：2024-11-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Yeong KIM ,  Mi Jin PARK ,  Sang Ho PARK ,  Tae Hoon YANG ,  Sung Jin LEE

IPC: H01L33/62 ,  G09G3/20 ,  G09G3/32 ,  H01L25/075 ,  H01L25/16 ,  H01L33/20 ,  H01L33/38 ,  H10K59/12 ,  H10K59/122 ,  H10K59/131 ,  H10K59/179

Abstract: A display device includes a substrate including a display area and a non-display area, a pixel located in the display area, a pad unit on one side of the non-display area, and a driver connected to the pixel. The pixel includes a first insulating layer, a first light emitting element on the first insulating layer, a second insulating layer on the first light emitting element and exposing one end portion and another end portion of the first light emitting element, a first contact electrode on the second insulating layer and connected to the one end portion of the first light emitting element, and a second contact electrode on the second insulating layer and connected to the other end portion of the first light emitting element. The pad unit includes a pad metal layer, a first pad insulating layer, a second pad insulating layer, and a pad electrode.

公开(公告)号：US20240120454A1

公开(公告)日：2024-04-11

申请号：US18544371

申请日：2023-12-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Yeong KIM ,  Mi Jin PARK ,  Sang Ho PARK ,  Tae Hoon YANG ,  Sung Jin LEE

IPC: H01L33/62 ,  G09G3/32 ,  H01L25/075 ,  H01L25/16 ,  H01L33/20 ,  H01L33/38 ,  H10K59/12 ,  H10K59/122 ,  H10K59/131 ,  H10K59/179

CPC classification number: H01L33/62 ,  G09G3/32 ,  H01L25/0753 ,  H01L25/167 ,  H01L33/20 ,  H01L33/38 ,  H10K59/12 ,  H10K59/122 ,  H10K59/131 ,  H10K59/179 ,  G09G3/2003 ,  G09G2300/0426 ,  G09G2300/0439

Abstract: A display device includes a substrate including a display area and a non-display area, a pixel located in the display area, a pad unit on one side of the non-display area, and a driver connected to the pixel. The pixel includes a first insulating layer, a first light emitting element on the first insulating layer, a second insulating layer on the first light emitting element and exposing one end portion and another end portion of the first light emitting element, a first contact electrode on the second insulating layer and connected to the one end portion of the first light emitting element, and a second contact electrode on the second insulating layer and connected to the other end portion of the first light emitting element. The pad unit includes a pad metal layer, a first pad insulating layer, a second pad insulating layer, and a pad electrode.

公开(公告)号：US20210335892A1

公开(公告)日：2021-10-28

申请号：US17148321

申请日：2021-01-13

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Woo LEE ,  Sang Ho PARK ,  Tae Hoon YANG ,  Jin Yeong KIM ,  Jin Taek KIM ,  Soo Hyun MOON ,  Mi Jin PARK

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/52

Abstract: A display device includes a first substrate including a plurality of unit light emitting areas; a first electrode and a second electrode in each of the unit light emitting areas of the first substrate; a first insulation layer exposing one region of each of the first electrode and the second electrode; a light emitting element on the first insulation layer and having a first end and a second end in a length direction; light conversion patterns adjacent to the light emitting element, covering a portion of an upper surface of the light emitting element, and exposing the first and second ends of the light emitting element; a first contact electrode on the first electrode and connecting the one region of the exposed first electrode and the first end of the light emitting element; and a second contact electrode on the second electrode.

公开(公告)号：US20210111303A1

公开(公告)日：2021-04-15

申请号：US16937255

申请日：2020-07-23

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Jin LEE ,  Jin Yeong KIM ,  Jin Taek KIM ,  Mi Jin PARK ,  Sang Ho PARK ,  Tae Hoon YANG

IPC: H01L33/00 ,  H01L25/075 ,  H01L33/40 ,  H01L33/42

Abstract: A method of manufacturing a display device includes: forming a first electrode on a substrate; forming an insulating layer on the substrate and on the first electrode;
providing light emitting elements in the insulating layer, each of the light emitting elements having a long axis and a short axis crossing the long axis and being configured to emit light; aligning the light emitting elements such that one end of each of the light emitting elements faces the substrate and the long axis of each of the light emitting elements is arranged in a direction from the substrate toward the insulating layer; patterning the insulating layer to form an insulating pattern exposing another end of each of the light emitting elements; and forming a second electrode electrically connected to the exposed other end of each of the light emitting elements.

公开(公告)号：US20220415864A1

公开(公告)日：2022-12-29

申请号：US17903551

申请日：2022-09-06

Applicant: Samsung Display Co., LTD.

Inventor： Sung Jin LEE ,  Jin Yeong KIM ,  Jin Taek KIM ,  Mi Jin PARK ,  Jin Woo LEE ,  Kwang Taek HONG

IPC: H01L25/075 ,  H01L33/38 ,  H01L25/16 ,  H01L33/24 ,  H01L33/44

Abstract: A display device includes a substrate including a display area and a non-display area, and pixels disposed in the display area. The pixels each include first electrodes, second electrodes spaced apart from the first electrodes, and light emitting elements disposed between the first electrodes and the second electrodes. The first electrodes each include a closed loop of a polygonal shape in some sections.

公开(公告)号：US20210111323A1

公开(公告)日：2021-04-15

申请号：US16927758

申请日：2020-07-13

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Yeong KIM ,  Mi Jin PARK ,  Sang Ho PARK ,  Tae Hoon YANG ,  Sung Jin LEE

IPC: H01L33/62 ,  H01L33/20 ,  H01L33/38 ,  G09G3/32

Abstract: A display device includes a substrate including a display area and a non-display area, a pixel located in the display area, a pad unit on one side of the non-display area, and a driver connected to the pixel. The pixel includes a first insulating layer, a first light emitting element on the first insulating layer, a second insulating layer on the first light emitting element and exposing one end portion and another end portion of the first light emitting element, a first contact electrode on the second insulating layer and connected to the one end portion of the first light emitting element, and a second contact electrode on the second insulating layer and connected to the other end portion of the first light emitting element. The pad unit includes a pad metal layer, a first pad insulating layer, a second pad insulating layer, and a pad electrode.