公开(公告)号：US12238971B2

公开(公告)日：2025-02-25

申请号：US18528652

申请日：2023-12-04

Applicant: Samsung Display Co., Ltd.

Inventor： Juwon Yoon ,  Taehoon Yang

IPC: H01L27/14 ,  H10K59/121

Abstract: A display apparatus includes a substrate including a display area in which a display element is arranged, a first thin-film transistor arranged in the display area and including a first semiconductor layer and a first gate electrode insulated from the first semiconductor layer, the first semiconductor layer including a silicon semiconductor, a first interlayer insulating layer covering the first gate electrode, a second thin-film transistor on the first interlayer insulating layer and including a second semiconductor layer and a second gate electrode insulated from the second semiconductor layer, the second semiconductor layer including an oxide semiconductor, and an upper electrode arranged on the first interlayer insulating layer and including a same material as that of the second semiconductor layer and at least overlapping the first gate electrode.

公开(公告)号：US12232405B2

公开(公告)日：2025-02-18

申请号：US17547186

申请日：2021-12-09

Applicant: Samsung Display Co., Ltd.

Inventor： Bongil Kang ,  Yujin Sin ,  Gayeon Yun

IPC: H10K71/00 ,  H10K59/131 ,  H10K59/40 ,  H10K71/70

Abstract: A display device includes a display module and a flexible circuit film connected to the display module. The display module includes a display panel and an input sensing layer. The flexible circuit film includes a base film, a ground line disposed on the base film, a plurality of connection lines disposed on the base film and electrically connected to at least one of the input sensing layer and the display panel, a conductive layer disposed on the connection lines and overlapping at least a portion of the connection lines, an insulating layer disposed on the conductive layer, and a cover tape disposed on the insulating layer and overlapping the ground line.

公开(公告)号：US12223902B2

公开(公告)日：2025-02-11

申请号：US18518607

申请日：2023-11-24

Applicant: Samsung Display Co., Ltd.

Inventor： Il Hun Jeong

IPC: G09G3/3233

Abstract: In a pixel, a display device including a pixel, and a method of driving the display device, the pixel includes a first transistor connected to a first power source, a fourth node and a first node, a second transistor connected to a third node, a data line and an i-th first scan line, a third transistor connected to the first node, the fourth node, and an i-th third scan line, a fourth transistor connected to the second node, an initialization voltage, and an i-th second scan line, a first capacitor connected between the third node and the first node, a second capacitor connected between the first node and the second node, and an organic light emitting diode connected between the second node and a second power source, wherein I is a natural number and the third transistor is an N-type transistor.

公开(公告)号：US12223873B2

公开(公告)日：2025-02-11

申请号：US18142616

申请日：2023-05-03

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung Hun Lee

IPC: G09G3/20

Abstract: An image display method of a display device shifts an image along a first path during a first power-on of the display device and shifts the image along a second path different from the first path during a second power-on of the display device.

公开(公告)号：US12219838B2

公开(公告)日：2025-02-04

申请号：US18229120

申请日：2023-08-01

Applicant: Samsung Display Co., Ltd.

Inventor： Yoon Sun Choi ,  Seong Ryong Lee ,  Seung-Hwan Cho

IPC: H10K59/131 ,  G06F3/041 ,  G06F3/044 ,  H10K50/844 ,  H10K59/124 ,  H10K59/40 ,  H10K71/00 ,  H10K59/12

Abstract: Provided is a display device which includes a substrate having a display area and a non-display area, and a plurality of pads disposed in the non-display area. Each of the pads includes a first electrode layer, a second electrode layer, a third electrode layer, a fourth electrode layer, and a fifth electrode layer which are sequentially disposed on the substrate, and the second electrode layer is in contact with the first electrode layer through a contact hole formed in one or more insulating layers.

公开(公告)号：US12211963B2

公开(公告)日：2025-01-28

申请号：US18519929

申请日：2023-11-27

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Deok Im ,  Jong Hyuk Kang ,  Dae Hyun Kim ,  Joo Yeol Lee ,  Hyun Min Cho

IPC: H01L33/52 ,  H01L25/075 ,  H01L33/38 ,  H01L33/48 ,  H01L33/56 ,  H01L33/58 ,  H01L25/16 ,  H01L27/12 ,  H01L33/20 ,  H01L33/32 ,  H01L33/54 ,  H01L33/62

Abstract: A light emitting device includes: a base substrate; a plurality of unit regions provided on the base substrate; a barrier disposed at a boundary of the unit regions to surround each of the unit regions; a dam disposed in each of the unit regions to be spaced apart from the barrier; a first electrode provided in each of unit light emitting regions surrounded by the dam; a second electrode disposed in each of the unit light emitting regions, the second electrode of which at least one region is provided opposite to the first electrode; and one or more LEDs provided in each of the unit light emitting regions, the one or more LEDs being electrically connected between the first electrode and the second electrode.

公开(公告)号：US12207531B2

公开(公告)日：2025-01-21

申请号：US17506163

申请日：2021-10-20

Applicant: Samsung Display Co., Ltd.

Inventor： Seungbae Kang ,  Heesung Yang ,  Byoungkwon Choo ,  Woojin Cho

IPC: H10K71/00 ,  H10K59/12 ,  H10K59/131

Abstract: The method of manufacturing a display device includes preparing a substrate having a first and second area surrounding a portion of the first area, forming a semiconductor layer in the first area, forming a first insulating layer covering the semiconductor layer, forming a gate electrode layer that at least partially overlaps the semiconductor layer, forming a pad electrode layer in the second area, forming a second insulating layer covering the gate electrode layer, forming contact holes that at least partially expose the semiconductor layer and the gate electrode layer, and forming a conductive layer positioned in the contact holes and including a first and second layer. The forming of the conductive layer includes forming a first layer material and a second layer material, and removing a portion of the first layer material and a portion of the second layer material to expose the second insulating layer.

公开(公告)号：US12207408B2

公开(公告)日：2025-01-21

申请号：US17499924

申请日：2021-10-13

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Jee Jeon ,  Ga Young Kim ,  Young Min Park ,  Sang Hyun Lim

IPC: G06F1/18 ,  H05K1/14 ,  H05K1/18 ,  H02J50/10

Abstract: A display device is provided. The display device comprises a display panel comprising an active area for displaying images on a front surface and a non-active area around the active area, and a flexible circuit board comprising at least one conductive line extending from one end to an opposite end, wherein the flexible circuit board is disposed on a rear surface of the display panel to have a loop shape surrounding more than half of at least a part of the active area.

公开(公告)号：US12193271B2

公开(公告)日：2025-01-07

申请号：US17715553

申请日：2022-04-07

Applicant: Samsung Display Co., Ltd.

Inventor： Dongmin Lee ,  Jaewoo Jeong ,  Janghyun Kim ,  Jongoh Seo ,  Byungsoo So

IPC: H10K59/121 ,  H10K71/00 ,  H01L27/12 ,  H01L29/66 ,  H01L29/786 ,  H10K59/12

Abstract: A display apparatus includes a substrate, a gate electrode overlapping the substrate, and a semiconductor layer positioned between the substrate and the gate electrode. The semiconductor layer includes a first layer and a second layer positioned between the first layer and the gate electrode. A hydrogen content of the first layer is greater than a hydrogen content of the second layer.

公开(公告)号：US12185602B2

公开(公告)日：2024-12-31

申请号：US18437088

申请日：2024-02-08

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Sung An ,  Sung Ho Kim ,  Yong Jae Kim ,  Yun Hwan Park ,  Yoon Jee Shin ,  Sug Woo Jung ,  Hyun Wook Choi

IPC: H10K59/131 ,  G09G3/3233 ,  H10K59/88

Abstract: A display device comprises a substrate; a circuit array layer comprising pixel drivers, data lines, first dummy lines, and second dummy lines; and a light emitting array layer. The display area comprises middle, first side, and second side regions. The data lines comprise first, second, and third data lines disposed in the middle, first side, and second side regions, respectively. The first dummy lines comprise a first data detour line disposed in the first side region and adjacent to a part of the second data line, and auxiliary lines. The second dummy lines comprise a second data detour line configured to connect the first data detour line to the third data line, and additional lines. The auxiliary lines comprise a bias auxiliary line to which a bias power is applied; and a second power auxiliary line to which a second power is applied.