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：US20250031519A1

公开(公告)日：2025-01-23

申请号：US18669147

申请日：2024-05-20

Applicant: Samsung Display Co., LTD.

Inventor： Sung Chul HONG ,  Yong Hee LEE ,  Ki Hyun PYO

IPC: H10K59/121 ,  H01L27/12 ,  H10K59/131

Abstract: A display device which allows efficient arrangement of transistors within a pixel includes a plurality of pixels arranged adjacently along a first direction, a plurality of transistors disposed in each pixel and a light emitting element disposed in each pixel, and connected to at least one of a plurality of transistors in each pixel, wherein gate electrodes of corresponding transistors of different pixels, which are connected to the same signal line, are disposed so as not to overlap in the first direction.

公开(公告)号：US20230282795A1

公开(公告)日：2023-09-07

申请号：US18152709

申请日：2023-01-10

Applicant: Samsung Display Co., LTD.

Inventor： Kyung Bae KIM ,  Do Yeong PARK ,  Yong Hee LEE ,  Jong Woong CHANG ,  Ki Hyun PYO

IPC: H01L33/62 ,  H01L25/16 ,  H01L27/12

CPC classification number: H01L33/62 ,  H01L25/167 ,  H01L27/124 ,  H01L2933/0066

Abstract: A display device includes a substrate, first sub-pixels, second sub-pixels, and third sub-pixels on the substrate, the second sub-pixels being adjacent to the first sub-pixels, and third sub-pixels being spaced from the first sub-pixels with a respective one of the second sub-pixels therebetween, first electrodes and second electrodes on the substrate and located in the sub-pixels, first light-emitting elements, second light-emitting elements, and third light-emitting elements on the first electrodes and the second electrodes and located in the sub-pixels, each of the light-emitting elements comprising a first end and a second end opposite to the first end, and a first connection electrode, a second connection electrode, a third connection electrode, and a fourth connection electrode on the first to third light-emitting elements and located in the sub-pixels, wherein in the first sub-pixel, the first electrodes are extended in a first direction and are spaced from one another.

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.