公开(公告)号：US20240334741A1

公开(公告)日：2024-10-03

申请号：US18291047

申请日：2021-10-11

Applicant: Sharp Display Technology Corporation

Inventor： Tadayoshi MIYAMOTO ,  Sohtaroh TANAKA ,  Fumie YASHIRO

IPC: H10K59/121 ,  H10K59/80

CPC classification number: H10K59/1213 ,  H10K59/871

Abstract: A display device includes: a resin substrate, and a thin film transistor layer, wherein in the thin film transistor layer, a first thin film transistor and a second thin film transistor are provided for each of subpixels. The first thin film transistor includes a first semiconductor layer formed of polysilicon, a first gate electrode provided on the resin substrate side of the first semiconductor layer via a first gate insulating film, and a metal layer provided on a side opposite to the resin substrate side of the first semiconductor layer via a first interlayer insulating film. The second thin film transistor includes a second semiconductor layer formed of an oxide semiconductor, and a second gate electrode provided on a side opposite to the resin substrate of the second semiconductor layer via a second gate insulating film.

公开(公告)号：US20240331596A1

公开(公告)日：2024-10-03

申请号：US18577805

申请日：2021-08-24

Applicant: Sharp Display Technology Corporation

Inventor： Keiichi YAMAMOTO

IPC: G09G3/00 ,  G09G3/3233

CPC classification number: G09G3/006 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2320/041 ,  G09G2330/12

Abstract: A display device includes: at least one first pixel including a first drive transistor and a first initialization transistor configured to initialize the first drive transistor; at least one second pixel including a second drive transistor and a second initialization transistor configured to initialize the second drive transistor; a first initialization line connected to the first drive transistor via the first initialization transistor; a second initialization line connected to the second drive transistor via the second initialization transistor; and a first temperature detection transistor connected to the second initialization line, the first temperature detection transistor including a gate connected to the first initialization line.

公开(公告)号：US12105387B2

公开(公告)日：2024-10-01

申请号：US18140070

申请日：2023-04-27

Applicant: Sharp Display Technology Corporation

Inventor： Hiroaki Wada ,  Junichi Mori ,  Takumi Tomita ,  Kenichi Nishimura ,  Hiroto Akiyama

IPC: G02F1/1343 ,  G02F1/135 ,  G02F1/1362

CPC classification number: G02F1/1351 ,  G02F1/13439 ,  G02F1/136286

Abstract: A display device includes: a first substrate, a second substrate, a light-blocking portion, a pixel, and a wiring line. The second substrate has a main face opposite a main face of the first substrate. The light-blocking portion is disposed on the main face of the first substrate, including an opening, and blocking light. The pixel is disposed on the main faces of the first substrate and the second substrate and delimited by at least a part of the opening. The wiring line is disposed on the main face of the second substrate and at least partially overlapping the opening. The wiring line has a projection protruding toward a first substrate side. The projection has a surface including a curved surface and comprises a plurality of projections disposed at intervals in locations overlapping at least the opening.

公开(公告)号：US20240302923A1

公开(公告)日：2024-09-12

申请号：US18434832

申请日：2024-02-07

Applicant: Sharp Display Technology Corporation

Inventor： Takuma YAMAMOTO ,  Takenori MARUYAMA ,  Shinji YAMAGISHI ,  Kazutoshi KIDA ,  Yasuhiro SUGITA ,  Hiroshi FUKUSHIMA

IPC: G06F3/044 ,  G06F3/041

CPC classification number: G06F3/044 ,  G06F3/0412 ,  G06F3/0414

Abstract: Provided is a touch panel system including a touch panel and a controller. The controller includes a signal acquisition unit that acquires a signal value from a position detection electrode and acquires a signal value from a pressing force detection electrode, a position detection unit that detects a position of a pointer, based on a position signal value acquired by the signal acquisition unit, and a pressing force determination unit that determines a presence or absence of a pressing operation at a pointed position. The pressing force determination unit acquires a second derivative value of a pressing force value and determines the presence or absence of the pressing operation at the pointed position, based on the second derivative value.

公开(公告)号：US20240292702A1

公开(公告)日：2024-08-29

申请号：US18571534

申请日：2021-08-02

Applicant: Sharp Display Technology Corporation

Inventor： Yuto TSUKAMOTO ,  Shinichi KAWATO ,  Tokiyoshi UMEDA ,  Tohru SONODA

IPC: H10K59/35 ,  H10K39/34 ,  H10K59/12

CPC classification number: H10K59/353 ,  H10K39/34 ,  H10K59/1201

Abstract: A display device has a display area including a first pixel region, a second pixel region, and a third pixel region. The display device includes: a first electrode; a first photoelectric conversion layer including a first light-emitting layer, a second light-emitting layer, and a third light-emitting layer; a first electric charge injection layer; a second electric charge injection layer; a second photoelectric conversion layer including a fourth light-emitting layer; and a second electrode. The first light-emitting layer is provided in the first pixel region. The second light-emitting layer is provided in the second pixel region. The third light-emitting layer is provided in the third pixel region. The first electric charge injection layer is provided across the entire display area. The second electric charge injection layer is provided only in the third pixel region. The fourth light-emitting layer is provided at least in the third pixel region.

公开(公告)号：US20240260386A1

公开(公告)日：2024-08-01

申请号：US18561076

申请日：2021-06-30

Applicant: Sharp Display Technology Corporation

Inventor： Yasushi ASAOKA ,  Sentaro KIDA ,  Takahiro ADACHI

IPC: H10K59/00 ,  H10K50/115 ,  H10K59/12

CPC classification number: H10K59/771 ,  H10K59/1201 ,  H10K50/115

Abstract: A display device includes a substrate, on the substrate, a light-emitting element including a first electrode, a second electrode, and a light-emitting layer and a charge transfer layer between the first electrode and the second electrode, in which the display device includes a light-emitting region of the light-emitting element and a non-light-emitting region that is a peripheral portion of the light-emitting region, a protruding portion is provided in a layer lower than the charge transfer layer in part of the non-light-emitting region, and the charge transfer layer is formed as a continuous film in a display region including the light-emitting region and the non-light-emitting region on the substrate, and includes a thin film portion, on the protruding portion, being thinner than a portion in the light-emitting region and a portion in the non-light-emitting region other than the protruding portion.

公开(公告)号：US20240255821A1

公开(公告)日：2024-08-01

申请号：US18396984

申请日：2023-12-27

Applicant: Sharp Display Technology Corporation

Inventor： Hirofumi MIYAMOTO

IPC: G02F1/1368 ,  G02F1/1333

CPC classification number: G02F1/1368 ,  G02F1/133302 ,  G02F1/133305

Abstract: A liquid crystal module includes a liquid crystal display panel including a TFT substrate having a main surface including a display region and a non-display region located around the display region, a control device including a rigid substrate and a timing controller mounted on the rigid substrate, and a flexible circuit substrate having one end coupled to a mounting region in the non-display region and the other end coupled to the rigid substrate. The flexible circuit substrate is bent, and the rigid substrate is supported on the TFT substrate in the mounting region.

公开(公告)号：US12038657B2

公开(公告)日：2024-07-16

申请号：US18506898

申请日：2023-11-10

Applicant: Sharp Display Technology Corporation

Inventor： Isao Takahashi ,  Yohsuke Fujikawa ,  Takuya Hachida ,  Shun Iinuma

IPC: G02F1/1362 ,  G02F1/1368

CPC classification number: G02F1/136254 ,  G02F1/136286 ,  G02F1/1368

Abstract: A liquid crystal panel includes an active matrix substrate including a gate driver circuit, a demultiplexer circuit, and a gate switch circuit. The active matrix substrate includes a non-display region and a testing terminal region located outside the non-display region, has first and second in-panel testing terminals in the non-display region, and has first and second out-panel testing terminals in the testing terminal region. The second out-panel testing terminal is connected to the gate driver circuit. The first out-panel testing terminal is connected to the demultiplexer circuit. The second in-panel testing terminal is connected to the gate switch circuit. The first in-panel testing terminal is connected to the demultiplexer circuit.

公开(公告)号：US20240237434A9

公开(公告)日：2024-07-11

申请号：US18278404

申请日：2021-03-25

Applicant: Sharp Display Technology Corporation

Inventor： Takao SAITOH ,  Yohsuke KANZAKI ,  Masaki YAMANAKA ,  Masahiko MIWA ,  Yi SUN ,  Masaki FUJIWARA

IPC: H10K59/131 ,  H10K59/12 ,  H10K59/122 ,  H10K59/40 ,  H10K59/80

CPC classification number: H10K59/131 ,  H10K59/1201 ,  H10K59/122 ,  H10K59/40 ,  H10K59/873

Abstract: In an organic EL display device, a frame region provided outside a display region is provided with a damming wall extending on an outer periphery of the display region and a second lead-out wiring line extending across the damming wall from the display region side to an outside of the frame region. The damming wall includes a bank portion having a projecting shape and provided, in a part in which the second lead-out wiring line extends, on both sides in a direction in which the second lead-out wiring line extends with respect to a top portion of the damming wall. The bank portion is lower than a top portion of a second damming wall and forms, between the bank portion and the top portion, a trap portion having a recessed shape.

公开(公告)号：US20240231166A9

公开(公告)日：2024-07-11

申请号：US18373896

申请日：2023-09-27

Applicant: Sharp Display Technology Corporation

Inventor： Hidetoshi NAKAGAWA ,  Yoshihisa TAKAHASHI ,  Masahiro MATSUDA

IPC: G02F1/1368 ,  G02F1/1362 ,  H01L27/12

CPC classification number: G02F1/1368 ,  G02F1/136286 ,  H01L27/124 ,  G02F2201/50 ,  G09G3/3677

Abstract: A display panel includes a display region and a peripheral region other than the display region. The display panel includes, in the peripheral region, a gate drive circuit and a first trunk line extending in a column direction. The first trunk line includes a first edge on a first side corresponding to the display region side in the row direction and a second edge on a second side corresponding to a side opposite to the display region in the row direction. The first trunk line includes a first portion and a second portion, each including the first edge and the second edge, and the first edge of the second portion is closer to the second side in the row direction than the first edge of the first portion. The first portion is not provided with an element, and the second portion includes a region provided with an element.