公开(公告)号：US20250072217A1

公开(公告)日：2025-02-27

申请号：US18793582

申请日：2024-08-02

Applicant: Samsung Display Co., LTD.

Inventor： Ji Hye LEE ,  Jin Seon KWAK ,  Kyung Bae KIM

IPC: H10K59/121 ,  G09G3/3233 ,  H10K59/131

Abstract: The present disclosure relates to a display device, and more particularly to a display device capable of repairing transistors and an optical device including the same. According to one or more embodiments of the present disclosure, a display device including: a main pixel including a light emitting element, and a main transistor; and an auxiliary pixel adjacent to the main pixel, the auxiliary pixel including an auxiliary transistor having same characteristics as the main transistor.

公开(公告)号：US20230327051A1

公开(公告)日：2023-10-12

申请号：US18131827

申请日：2023-04-06

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK ,  Chong Chul CHAI ,  Jin Seon KWAK ,  Kyung Bae KIM

IPC: H01L33/38 ,  H01L25/075 ,  H01L33/62 ,  H01L33/20

CPC classification number: H01L33/382 ,  H01L25/0753 ,  H01L33/62 ,  H01L33/20 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device includes contact electrodes on a substrate; an interlayer insulation layer on the contact electrodes; a passivation layer on the interlayer insulation layer; pixel electrodes on the passivation layer; a first insulation layer on the pixel electrodes; light emitting elements between the pixel electrodes; and connection electrodes electrically connected to the light emitting elements, wherein the passivation layer and/or the first insulation layer include an opening exposing the interlayer insulation layer, and the connection electrodes are in contact with the contact electrodes through a contact portion penetrating the interlayer insulation layer exposed by the opening.

公开(公告)号：US20230140325A1

公开(公告)日：2023-05-04

申请号：US17963082

申请日：2022-10-10

Applicant: Samsung Display Co., LTD.

Inventor： Yong Hee LEE ,  Jin Seon KWAK ,  Kyung Bae KIM ,  Ji Hye LEE ,  Ki Hyun PYO

IPC: H01L33/62 ,  H01L33/38

Abstract: A display device includes a first electrode and a second electrode on a substrate, a pixel unit including a light emitting element on the first electrode and the second electrode, a first signal line electrically connected to the first electrode, and a second signal line electrically connected to the second electrode, wherein first power is configured to be provided to the first electrode from the first signal line, wherein second power is configured to be provided to the second electrode from the second signal line, wherein at least a portion of the first signal line and at least a portion of the second signal line extend in a first direction, and wherein at least another portion of the first signal line extends in a second direction that is not parallel to the first direction.

公开(公告)号：US20220336708A1

公开(公告)日：2022-10-20

申请号：US17556592

申请日：2021-12-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji Hye LEE ,  Jin Seon KWAK ,  Yong Hee LEE ,  Ki Hyun PYO

IPC: H01L33/38 ,  H01L25/075 ,  H01L33/62 ,  H01L33/24 ,  G09G3/32

Abstract: A display device according to an embodiment of the present disclosure may include pixels including a first pixel and a second pixel sequentially arranged in a display area along a first direction, each of the first pixel and the second pixel including sub pixels arranged along a second direction corresponding to emission areas, and a first power line and a second power line connected to the pixels. Each of the sub pixels may include a light emitting element, a first electrode connected between the light emitting element and the first power line, and a second electrode connected between the light emitting element and the second power line. The second electrodes of the sub pixels of the first and second pixels may be integrally connected to each other to configure an integrated electrode, and may be commonly connected to the second power line through a first contact portion.

公开(公告)号：US20250031535A1

公开(公告)日：2025-01-23

申请号：US18441742

申请日：2024-02-14

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung Bae KIM ,  Jin Seon KWAK ,  Yong Hee LEE ,  Ji Hye LEE

IPC: H10K59/131 ,  H10K59/122 ,  H10K59/80

Abstract: A display device includes a driving element layer on a substrate, a wiring layer on the driving element layer and including a power supply wiring, and a light emitting element layer disposed on the wiring layer. The light emitting element layer includes a pixel defining layer defining openings for pixels, a first electrode in each opening, a heating wiring on the pixel defining layer around each opening, a connection electrode connecting the heating wiring and the power supply wiring through a contact hole extending through the wiring layer and the pixel defining layer, an intermediate layer covering the first electrode in the pixels and the pixel defining layer between the pixels, and including a disconnected portion on the pixel defining layer adjacent to the heating wiring, and a second electrode continuously disposed on the intermediate layer in the openings for the pixels and between the pixels.

公开(公告)号：US20250015244A1

公开(公告)日：2025-01-09

申请号：US18763799

申请日：2024-07-03

Applicant: Samsung Display Co., LTD.

Inventor： Jin Seon KWAK ,  Kyung Bae KIM ,  Do Yeong PARK ,  Yong Hee LEE

IPC: H01L33/62 ,  H01L25/16

Abstract: A display device may include: a substrate including a display area and a non-display area, the non-display area including a pad area; a transistor and a conductive pattern on the substrate in the display area; a via layer on the transistor and the conductive pattern to cover the transistor and the conductive pattern; a first alignment electrode and a second alignment electrode on the via layer; a light emitting element between the first and second alignment electrodes; a first electrode and a second electrode that are spaced from each other, and electrically connected to the light emitting element; a plurality of pads on the substrate in the pad area; and a dummy pattern on the substrate in the pad area, and spaced from the plurality of pads. The via layer and the dummy pattern may include a same material.

公开(公告)号：US20240379049A1

公开(公告)日：2024-11-14

申请号：US18629851

申请日：2024-04-08

Applicant: Samsung Display Co., LTD.

Inventor： Ji Hye LEE ,  Jin Seon KWAK ,  Kyung Bae KIM ,  Yong Hee LEE

IPC: G09G3/32

Abstract: A display device includes a base layer, a pixel circuit layer on the base layer, the pixel circuit layer including a pixel circuit, and a light emitting layer on the pixel circuit layer, the light emitting layer including a light emitting element electrically connected to the pixel circuit, wherein the pixel circuit layer includes: a lower transistor on the base layer, the lower transistor including a silicon semiconductor, an upper transistor on the lower transistor, the upper transistor including an oxide semiconductor, and an intermediate conductive layer between the lower transistor and the upper transistor, and wherein the intermediate conductive layer includes a data line and a first power line, each of which is electrically connected to the pixel circuit.

公开(公告)号：US20230317901A1

公开(公告)日：2023-10-05

申请号：US18057705

申请日：2022-11-21

Applicant: Samsung Display Co., LTD.

Inventor： Yeon Kyung KIM ,  Jin Seon KWAK ,  Dong Woo KIM ,  Do Yeong PARK

IPC: H01L33/62 ,  H01L33/38 ,  H01L33/00

CPC classification number: H01L33/62 ,  H01L33/387 ,  H01L33/005 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device includes a display panel including a display area having a scan area, and having a power area on one side of the scan area, and a non-display area surrounding the display area, and having a pad portion on one side of the non-display area, the pad portion including a first pad including line pads connected to lines of the scan area, a second pad including line pads, and a power pad configured to supply an off signal to a line of the lines of the power area and connected to lines of the power area, and a panel-lighting-test line on at least one side of the power pad, and spaced apart from the power pad.

公开(公告)号：US20230275196A1

公开(公告)日：2023-08-31

申请号：US17968353

申请日：2022-10-18

Applicant: Samsung Display Co., LTD.

Inventor： Ji Hye LEE ,  Jin Seon KWAK ,  Kyung Bae KIM ,  Yong Hee LEE

IPC: H01L33/50 ,  H01L27/15 ,  G02B5/20

CPC classification number: H01L33/505 ,  H01L27/156 ,  G02B5/201

Abstract: A display device includes a substrate including a display area and a non-display area surrounding the display area, a plurality of sub-pixels including a first sub-pixel and a second sub-pixel, an upper bank layer surrounding the sub-pixels and the display area, a plurality of color control members including a first wavelength conversion layer in the first sub-pixel and a second wavelength conversion layer in the second sub-pixel, a plurality of color filter layers including a first color filter layer on the first wavelength conversion layer, and a second color filter layer on the second wavelength conversion layer, and a third color filter layer, a dam member surrounding the display area in the non-display area, and a valley between the dam member and the upper bank layer and surrounding the display area. The third color filter layer is on the first color filter layer in the non-display area.

公开(公告)号：US20230189583A1

公开(公告)日：2023-06-15

申请号：US17868182

申请日：2022-07-19

Applicant: Samsung Display Co., LTD.

Inventor： Yong Hee LEE ,  Jin Seon KWAK ,  Ji Hye LEE ,  Ki Hyun PYO

IPC: H01L27/32

CPC classification number: H01L27/3276 ,  H01L27/3246

Abstract: A display device includes a display area, a non-display area, a pad portion disposed in the non-display area and including first and second power pad portions, first and second voltage common lines that are disposed between the pad portion and the display area and spaced apart from each other, a first power pad disposed in the first power pad portion and electrically connected to the first voltage common line, a second power pad disposed in the second power pad portion and electrically connected to the second voltage common line, and first auxiliary lines electrically connected to the first voltage common line and second auxiliary lines electrically connected to the second voltage common line, the first and second auxiliary lines extending from the pad portion. The first auxiliary lines and the second auxiliary lines are spaced apart from the first power pad portion and the second power pad portion.