公开(公告)号：US20240332313A1

公开(公告)日：2024-10-03

申请号：US18412142

申请日：2024-01-12

Applicant: Samsung Display Co., LTD.

Inventor： Kyung-Bae KIM ,  Do Yeong PARK ,  Ki Hyun PYO ,  Sung Chul HONG

IPC: H01L27/12 ,  H01L25/075 ,  H01L33/62

CPC classification number: H01L27/124 ,  H01L25/0753 ,  H01L33/62

Abstract: A light emitting display device, includes: a substrate; a driving element layer on the substrate and including a transistor and a planarization layer covering the transistor; a cathode and an anode connection electrode on the planarization layer; a separator on the planarization layer and including a first layer and a second layer, wherein the second layer protrudes from the first layer of the separator; a pixel defining layer including a first pixel defining layer on the separator and a second pixel defining layer superimposed with a portion of the cathode and a portion of the anode connection electrode; a light emitting layer on top of the cathode; and an anode connecting electrode, the second pixel defining layer, and an anode above the light emitting layer.

公开(公告)号：US20240013717A1

公开(公告)日：2024-01-11

申请号：US18107659

申请日：2023-02-09

Applicant: Samsung Display Co., LTD.

Inventor： Ji Hye LEE ,  Kyung Bae KIM ,  Ki Hyun PYO ,  Sung Chul HONG

IPC: G09G3/3233 ,  H01L25/16 ,  H01L27/12

CPC classification number: G09G3/3233 ,  H01L25/167 ,  H01L27/124 ,  G09G2300/0842 ,  G09G2300/0819 ,  G09G2300/0452 ,  G09G2300/0426

Abstract: A display device includes a pixel including a first sub-pixel to third sub-pixels, each arranged in a first direction and emitting light of a color, a first to third vertical power lines, each extending in a second direction different from the first direction, overlapping the first to third sub-pixels, respectively, and transmitting first to third powers, respectively, a first to third horizontal power lines, each extending in the first direction and electrically connected to the first to third vertical power lines through a contact hole, respectively. Voltages of the first power, the second power, and the third power are different from each other.

公开(公告)号：US20220189399A1

公开(公告)日：2022-06-16

申请号：US17526483

申请日：2021-11-15

Applicant: Samsung Display Co., LTD.

Inventor： Ki Hyun PYO ,  Bon-Yong KOO ,  Ji-Sun KIM ,  Hyeong Seok KIM

IPC: G09G3/3233

Abstract: A display device includes a first pixel circuit, a first scan signal line disposed at a side of the first pixel circuit, extending in a first direction, and transmitting a scan signal; a second pixel circuit disposed at an outermost side of the display device, and a first dummy wire disposed at an outside of the second pixel circuit and extending in the first direction. A width of the first dummy wire is less than a width of the first scan signal line.

公开(公告)号：US20250048851A1

公开(公告)日：2025-02-06

申请号：US18589450

申请日：2024-02-28

Applicant: Samsung Display Co., Ltd.

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

IPC: H10K59/123 ,  G02B27/01 ,  H10K59/122 ,  H10K59/124

Abstract: The present disclosure relates to a display device, and more particularly, to a display device capable of improving the holding force of a spacer. The display device may include a substrate; a transistor on the substrate; a first electrode connected to the transistor, and a spacer disposed on the first electrode, wherein the spacer overlaps a connection portion between the transistor and the first electrode.

公开(公告)号：US20240023378A1

公开(公告)日：2024-01-18

申请号：US18347993

申请日：2023-07-06

Applicant: Samsung Display Co., LTD.

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

IPC: H10K59/122 ,  G09G3/3233 ,  H10K59/38 ,  H10K59/131 ,  H10K59/80

CPC classification number: H10K59/122 ,  G09G3/3233 ,  H10K59/38 ,  H10K59/131 ,  H10K59/873 ,  H10K59/8792 ,  G09G2300/0842

Abstract: A display device includes pixels each including an emission area and a non-emission area. Each pixel includes: a driving voltage line; a via layer disposed on the driving voltage line and including a first via hole exposing a first side of the driving voltage line, and a second via hole; a first electrode disposed on the via layer; a pixel defining layer disposed on the first electrode and the via layer and including a first opening formed in the emission area to expose a portion of the first electrode, and a second opening disposed in the non-emission area; an emission layer disposed in the first opening; and a second electrode disposed on the emission layer and the pixel defining layer. The second opening and the first via hole partially overlap each other. The via layer covers a second side of the driving voltage line.

公开(公告)号：US20240006569A1

公开(公告)日：2024-01-04

申请号：US18191915

申请日：2023-03-29

Applicant: Samsung Display Co., LTD.

Inventor： Ki Hyun PYO ,  Kyung Bae KIM ,  Ji Hye LEE ,  Sung Chul HONG

IPC: H01L33/60 ,  H01L25/16

CPC classification number: H01L33/60 ,  H01L25/167 ,  H01L2933/0058

Abstract: A display device includes: a first internal bank and a second internal bank spaced apart on a substrate; a first reflective layer disposed on the first internal bank; a second reflective layer spaced apart from the first reflective layer and disposed on the second internal bank; a first insulating layer disposed on the first reflective layer and the second reflective layer; a first electrode disposed on the first insulating layer and overlapping the first reflective layer; a second electrode disposed on the first insulating layer, overlapping the second reflective layer, and being spaced apart from the first electrode; a second insulating layer disposed on the first electrode and the second electrode; and a light emitting element disposed on the second insulating layer and overlapping a space between the first electrode and the second electrode.

公开(公告)号：US20230006115A1

公开(公告)日：2023-01-05

申请号：US17683889

申请日：2022-03-01

Applicant: Samsung Display Co., LTD.

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

IPC: H01L33/62 ,  H01L33/38

Abstract: A display device according to some embodiments includes a substrate, a first power line extending in a first direction on the substrate, and configured to transmit a first alignment signal or a first driving voltage, a second power line extending in the first direction on the substrate, and configured to transmit a second alignment signal or a second driving voltage, a first electrode extending in a second direction that is substantially perpendicular to the first direction, configured to receive the first alignment signal or the first driving voltage, and electrically connected to the first power line, a second electrode spaced apart from the first electrode, extending in the second direction, configured to receive the second alignment signal or the second driving voltage, and electrically connected to the second power line, and a light emitting element between the first electrode and the second electrode.

公开(公告)号：US20240250227A1

公开(公告)日：2024-07-25

申请号：US18395176

申请日：2023-12-22

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK ,  Ki Hyun PYO ,  Sung Chul HONG

IPC: H01L33/62 ,  G09G3/32 ,  H01L25/16 ,  H01L27/12 ,  H01L33/48

CPC classification number: H01L33/62 ,  G09G3/32 ,  H01L25/167 ,  H01L27/124 ,  H01L33/483 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861

Abstract: A display device includes signal lines, auxiliary electrodes on the signal lines, bank patterns on the auxiliary electrodes and spaced from each other, alignment electrodes on the bank patterns and spaced from each other, and light emitting elements between the bank patterns. The alignment electrodes are electrically connected to the auxiliary electrodes through a contact hole passing through the bank patterns, respectively, and the auxiliary electrodes and the alignment electrodes are insulated from the signal lines.

公开(公告)号：US20240203315A1

公开(公告)日：2024-06-20

申请号：US18487008

申请日：2023-10-13

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Chul HONG ,  Do Yeong PARK ,  Ki Hyun PYO

IPC: G09G3/20

CPC classification number: G09G3/2074 ,  G09G2300/0439

Abstract: A display device includes: a base layer; a pixel circuit layer on the base layer, the pixel circuit layer including lower lines, the pixel circuit layer having a line-free area in which the lower lines are not present; and a light-emitting-element layer on the pixel circuit layer, the light-emitting-element layer including electrodes and a light emitting element on the electrodes, the light-emitting-element layer having an electrode-free area in which the electrodes are not present. The line-free area overlaps the electrode-free area in a plan view.

公开(公告)号：US20230371321A1

公开(公告)日：2023-11-16

申请号：US18349847

申请日：2023-07-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sun Hwa LEE ,  Mu Kyung JEON ,  Il Nam KIM ,  Ji Hun RYU ,  Ki Hyun PYO

IPC: H10K59/126 ,  H01L25/18 ,  G09G3/3258 ,  G09G3/3233 ,  G06F3/041 ,  G06V40/13 ,  H10K59/131

CPC classification number: H10K59/126 ,  H01L25/18 ,  G09G3/3258 ,  G09G3/3233 ,  G06F3/0412 ,  G06V40/1318 ,  H10K59/131 ,  G06F3/0443

Abstract: Embodiments of the present disclosure provide a display device comprising: a substrate; a thin film transistor layer on a first surface of the substrate and including a first hole; a light emitting element layer on the thin film transistor layer and including a light emitting element; a first light blocking layer between the substrate and the thin film transistor layer and including a second hole overlapping the first hole in a thickness direction of the substrate; and a second light blocking layer between the thin film transistor layer and the light emitting element layer and including a third hole overlapping the first hole and the second hole in the thickness direction of the substrate.