公开(公告)号：US20250024712A1

公开(公告)日：2025-01-16

申请号：US18590969

申请日：2024-02-29

Applicant: Samsung Display Co., LTD.

Inventor： Ki Hyun PYO ,  Kyung Bae KIM ,  Do Yeong PARK

IPC: H10K59/122 ,  G09G3/3233 ,  H10K59/121 ,  H10K59/131

Abstract: A display device that may include a substrate, a driving element layer disposed on the substrate, and a light emitting element layer disposed on the driving element layer. The light emitting element layer may include a pixel defining layer including a plurality of openings defining a corresponding plurality of pixels, a first electrode disposed in each of the pixels and including a first portion covered by the pixel defining layer and a second portion extending from the first portion and corresponding to one of the openings of each of the pixels,, an intermediate layer covering the second portion of the first electrode in the openings of each of the pixels, covering the pixel defining layer between neighboring pixels, and including an electrically disconnected portion corresponding to the heating wiring.

公开(公告)号：US20240389398A1

公开(公告)日：2024-11-21

申请号：US18616971

申请日：2024-03-26

Applicant: Samsung Display Co., Ltd.

Inventor： Do Yeong PARK ,  Kyung Bae KIM

IPC: H10K59/122 ,  H10K59/126 ,  H10K59/131 ,  H10K59/38 ,  H10K59/80

Abstract: A display device includes: a pixel electrode; a bank on the pixel electrode; and a separator on the bank. The separator has a wide width portion having a first tip and a second tip at both sides and a narrow width portion having a third tip on one side.

公开(公告)号：US20240258492A1

公开(公告)日：2024-08-01

申请号：US18636253

申请日：2024-04-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyung Bae KIM ,  Hyun Joon KIM ,  Kyung Hoon CHUNG ,  Mee Hye JUNG ,  Min Jae JEONG ,  Jun Ki JEONG

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

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L33/387 ,  G09G3/32 ,  G09G2300/0426

Abstract: A display device comprises a substrate, a semiconductor layer thereon, a first insulating layer on the semiconductor layer, a first conductive layer on the first insulating layer and including a first electrode pattern, a second insulating layer on the first insulating layer and including first and second conductive patterns, a third insulating layer on the second conductive layer, and a display element layer on the third insulating layer and including a first pixel electrode connected to the first conductive pattern through a first via hole, a second pixel electrode connected to the second conductive pattern through a second via hole, and a micro light-emitting element between the pixel electrodes, the first conductive pattern contacting the semiconductor layer through a first contact hole and the first electrode pattern through a second contact hole, and the second conductive pattern overlapping the first electrode pattern to form a first capacitor therewith.

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：US20230086764A1

公开(公告)日：2023-03-23

申请号：US18058725

申请日：2022-11-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Min Jae JEONG ,  Kyung Bae KIM ,  Chong Chul CHAI ,  Kyung Hoon CHUNG

IPC: G09G3/32 ,  H01L33/36 ,  H01L25/075 ,  H01L33/62

Abstract: A display device includes a light-emitting diode including a first conductivity-type semiconductor, an active layer, and a second conductivity-type semiconductor; a first voltage line to which a first voltage is applied; a second voltage line to which a second voltage is applied; a first transistor including a source electrode electrically connected to the first voltage line and a drain electrode electrically connected to a first electrode of the light-emitting diode and to the first conductivity-type semiconductor; a second transistor including a drain electrode electrically connected to a gate electrode of the first transistor and a source electrode electrically connected to a data line to apply a data signal; a capacitor electrically connected to the gate electrode of the first transistor and the first electrode; and a third transistor including a source electrode electrically connected to the second voltage line and a drain electrode electrically connected to the first electrode.

公开(公告)号：US20220336720A1

公开(公告)日：2022-10-20

申请号：US17669869

申请日：2022-02-11

Applicant: Samsung Display Co., LTD.

Inventor： Ji Hye LEE ,  Kyung Bae KIM ,  Yong Hee LEE

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

Abstract: A display device includes a display area and a non-display area adjacent to the display area. The display device includes a pixel disposed in the display area; a driving controller disposed in the non-display area, the driving controller controlling driving of the pixel; and a line part having at least a portion disposed in the non-display area, the line part electrically connecting the pixel and the driving controller to each other between the pixel and the driving controller. The non-display area includes a fan-out area disposed between the display area and the driving controller.

公开(公告)号：US20220320059A1

公开(公告)日：2022-10-06

申请号：US17842678

申请日：2022-06-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji Hye LEE ,  Kyung Bae KIM ,  Mee Hye JUNG

IPC: H01L25/16 ,  H01L33/62 ,  H01L27/12 ,  H01L33/60 ,  H01L23/00

Abstract: A display device includes a substrate including a display area having a plurality of pixel areas and a non-display area located at at least one side of the display area; a pixel in each of the pixel areas; and a plurality of fan-out lines in the non-display area to form a first conductive layer. The pixel includes a pixel circuit layer including at least one transistor and a first bridge line and a second bridge line; and a display element layer on the pixel circuit layer. Each of the first and second bridge lines is electrically connected to a corresponding fan-out line from among the fan-out lines.

公开(公告)号：US20220277677A1

公开(公告)日：2022-09-01

申请号：US17749690

申请日：2022-05-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Joon KIM ,  Jun Ki JEONG ,  Kyung Hoon CHUNG ,  Kyung Bae KIM ,  Seung Chan LEE ,  Chong Chul CHAI

IPC: G09G3/00

Abstract: A method of testing a display panel including a pixel coupled to first, second, and third power lines, a data line, scan lines, an emission control line, and a test line, the method includes: applying a first power supply voltage to the first power line; applying a test voltage having a turn-on voltage level to the second power line; applying a scan signal having a turn-on voltage level sequentially to the scan lines and an emission control signal having a turn-on voltage level to the emission control line; applying a gate signal to the test line to turn on a test transistor coupled between two electrode of a light emitting element included in the pixel; measuring a sensing voltage output through the data line; and determining whether the pixel is defective, based on a voltage level of the measured sensing voltage.

公开(公告)号：US20220181382A1

公开(公告)日：2022-06-09

申请号：US17387373

申请日：2021-07-28

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK ,  Kyung Bae KIM ,  No Kyung PARK

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

Abstract: A pixel includes a first pattern and a second pattern spaced apart from each other in a light emitting area; a light emitting element between the first pattern and the second pattern; a first electrode electrically connected to a first end portion of the light emitting element; a second electrode electrically connected to a second end portion of the light emitting element; and a bank in a non-light emitting area. The first electrode and the second electrode extend from the light emitting area through the non-light emitting area to a separating area. The second pattern extends from the light emitting area through the non-light emitting area to the separating area, and overlaps an edge of the bank, and is disposed in an area between the first electrode and the second electrode at a boundary of the non-light emitting area and the separating area.