公开(公告)号：US20250029540A1

公开(公告)日：2025-01-23

申请号：US18777609

申请日：2024-07-19

Applicant: Sharp Display Technology Corporation

Inventor： Tatsuya Hayashi ,  Kohji Saitoh ,  Kazuhisa Yoshimoto

IPC: G09G3/20

Abstract: A display apparatus includes a power control circuit and a timing control circuit that supplies a timing signal to a level shifter circuit. In response to reception of a control signal used to transition from a display mode to a pause mode from a host controller, the timing control circuit causes the level shifter circuit to stop outputting a gate signal by transmitting a pause signal to the power control circuit and stopping supplying the timing signal to the level shifter circuit. In response to reception of the pause signal, the power control circuit stops supplying at least part of power to be supplied to the display panel and the level shifter circuit while keeping supplying power to the timing control circuit.

公开(公告)号：US20250028207A1

公开(公告)日：2025-01-23

申请号：US18763810

申请日：2024-07-03

Applicant: Sharp Display Technology Corporation

Inventor： Tsuyoshi OKAZAKI ,  Shinichi TERASHITA ,  Yuko TERAOKA ,  Kouichi WATANABE ,  Takehisa YOSHIDA ,  Yoshito HASHIMOTO

IPC: G02F1/1343 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/13363 ,  G02F1/137

Abstract: A liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a reflective layer, a first electrode and a second electrode configured to generate a transverse electrical field in the liquid crystal layer, and a first horizontal alignment film. An electrode, of the first electrode and the second electrode, disposed on a side of the liquid crystal layer includes a plurality of belt-shaped portions and a slit positioned between two adjacent belt-shaped portions of the plurality of belt-shaped portions, the liquid crystal layer is constituted by a liquid crystal material including a liquid crystal molecule, the liquid crystal material is a positive type. The second substrate includes a second horizontal alignment film being in contact with the liquid crystal layer, and the liquid crystal layer takes a twist alignment when no voltage is applied.

公开(公告)号：US20250015495A1

公开(公告)日：2025-01-09

申请号：US18742072

申请日：2024-06-13

Applicant: Sharp Display Technology Corporation

Inventor： Hideki KITAGAWA ,  Yoshimasa CHIKAMA ,  Masamitsu YAMANAKA

IPC: H01Q3/36

Abstract: A phased array antenna with high yield and excellent transmission and reception performance is provided. The phased array antenna includes a printed circuit board 10 including a plurality of first terminals, a TFT substrate 50 including a plurality of second terminals and being arranged to face the printed circuit board 10, and a plurality of conductors 30 connecting the first terminals and the second terminals, respectively. The printed circuit board includes a plurality of transmission/reception electrodes 12, and beamforming ICs 20 receiving control signals from the TFT substrate via the first terminals and adjusting phases of signals transmitted and received by transmission/reception electrodes according to the control signals. The TFT substrate includes a plurality of control circuits 80 that include TFTs and generate control signals for controlling the beamforming ICs, and a planarization multilayer 70 that covers the plurality of control circuits, wherein a terrace 70t is provided on a side face of the planarization multilayer.

公开(公告)号：US20250004589A1

公开(公告)日：2025-01-02

申请号：US18676503

申请日：2024-05-29

Applicant: Sharp Display Technology Corporation

Inventor： Fumikazu SHIMOSHIKIRYOH ,  Takehisa YOSHIDA ,  Shinichi TERASHITA ,  Kouichi WATANABE

IPC: G06F3/041 ,  G02F1/1362 ,  G02F1/1368 ,  G06F3/044

Abstract: A liquid crystal display device includes: a first substrate; a second substrate; a liquid crystal layer; a polarizer; and a phase difference layer, the liquid crystal display device further including a plurality of pixels arranged in a matrix, wherein each of the plurality of pixels includes a reflection region, the first substrate includes: a plurality of gate lines; a plurality of source lines; a plurality of thin film transistors; a plurality of pixel electrodes; and a reflective layer, the first substrate further includes: a plurality of touch sensor electrodes; and a plurality of touch lines each electrically connected to a corresponding one of the plurality of touch sensor electrodes, the reflective layer is divided into a plurality of reflective segments that are electrically independent from each other, and each of the plurality of reflective segments overlaps two or more of the plurality of pixel electrodes in a plan view.

公开(公告)号：US20250004036A1

公开(公告)日：2025-01-02

申请号：US18697955

申请日：2021-12-10

Applicant: Sharp Display Technology Corporation

Inventor： Masahiro MITANI ,  Naoki UEDA ,  Asahi YAMATO

IPC: G01R31/26 ,  G09G3/00 ,  H10K59/131 ,  H10K59/80

Abstract: A display device includes a display region; a frame region around a periphery of the display region; a terminal portion including a first terminal and a second terminal, and a plurality of input terminals provided between the first terminal and the second terminal and connected respectively to a plurality of first signal lines extending from the display region and in a signal line formation region of the frame region; and a plurality of crack detection wiring lines provided in the frame region, the plurality of crack detection wiring lines each including a first end and a second end disposed on either side of the signal line formation region, wherein each first end of the plurality of crack detection wiring lines is electrically connected to the first terminal, and each second end of the plurality of crack detection wiring lines is electrically connected to the second terminal.

公开(公告)号：US12174483B2

公开(公告)日：2024-12-24

申请号：US18380870

申请日：2023-10-17

Applicant: Sharp Display Technology Corporation

Inventor： Yuichi Kawahira ,  Masahiro Hasegawa ,  Ryosuke Saigusa ,  Jianeng Xu ,  Akira Sakai

IPC: G02F1/1335 ,  G02B5/30 ,  G02F1/13363 ,  G02F1/1337

Abstract: Provided is an optical element including, sequentially from a viewing surface side toward a back surface side: a first polarizer; a negative C plate; a phase difference layer; and a second polarizer. A transmission axis of the first polarizer is parallel to a transmission axis of the second polarizer. The phase difference layer contains anisotropic molecules. In the phase difference layer, a tilt angle of the anisotropic molecules on a viewing surface side in the phase difference layer and a tilt angle of the anisotropic molecules on a back surface side in the phase difference layer are the same as each other and greater than 0°. A slow axis of the phase difference layer, in a case of lying in a tilt direction of the anisotropic molecules, is parallel to or perpendicular to the transmission axis of the first polarizer.

公开(公告)号：US20240423086A1

公开(公告)日：2024-12-19

申请号：US18702239

申请日：2021-12-29

Applicant: Sharp Display Technology Corporation

Inventor： Hirofumi YOSHIKAWA ,  Kazuki GOTO ,  Yoshihiro UETA

IPC: H10K85/30 ,  B82Y20/00 ,  C09K11/02 ,  H10K50/115 ,  H10K71/12

Abstract: A light-emitting element includes an EML including a QD, a halogen ligand including a halogen element, and a plurality of types of organic ligands composed of organic compounds.

公开(公告)号：US20240419290A1

公开(公告)日：2024-12-19

申请号：US18704014

申请日：2021-12-29

Applicant: Sharp Display Technology Corporation

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

IPC: G06F3/047

Abstract: A touch panel includes: a first metal wire formed on an underlayer; an insulating film formed to cover the first metal wire; and a second metal wire formed on the insulating film. The second metal wire has: a first pattern extending in a first direction; and a plurality of second patterns formed to be insulated from the first pattern. The first metal wire has: a bridge pattern connecting together, in a second direction, a pair of second patterns arranged to sandwich the first pattern; and a dummy pattern formed to be insulated from the bridge pattern, the second direction intersecting with the first direction, and the pair of second patterns being included in the plurality of second patterns.

公开(公告)号：US20240414934A1

公开(公告)日：2024-12-12

申请号：US18696941

申请日：2021-12-15

Applicant: Sharp Display Technology Corporation

Inventor： Masayuki KANEHIRO

IPC: H10K50/115 ,  H10K50/17 ,  H10K71/20

Abstract: The invention includes: a step of forming a red sacrifice layer on a hole transport layer; a step of exposing the hole transport layer by removing a part of the red sacrifice layer; a step of forming a red light-emitting layer containing red quantum dots and red ligands on the red sacrifice layer and the hole transport layer; and a step of patterning the red light-emitting layer by removing the red sacrifice layer using a red detaching solution containing red addition ligands.

公开(公告)号：US20240411178A1

公开(公告)日：2024-12-12

申请号：US18658856

申请日：2024-05-08

Applicant: Sharp Display Technology Corporation

Inventor： Satsuki HAGIHARA ,  Kazuhiko NEGORO ,  Mayumi HORI ,  Kenichi IWAMOTO

IPC: G02F1/1335 ,  G02F1/13357

Abstract: A backlight apparatus includes an LED substrate having a principal surface over which a plurality of light-emitting elements that emit excitation light are arrayed, a phosphor layer containing a phosphor that emits fluorescence upon receiving the excitation light, a wavelength-selective reflecting layer disposed between the phosphor layer and the LED substrate, and a louver film disposed between the wavelength-selective reflecting layer and the LED substrate and having a plurality of louvers. The wavelength-selective reflecting layer has different transmittances according to wavelengths and/or angles of incidence of light falling thereon. The louver film blocks the fluorescence and the excitation light falling thereon at an angle greater than or equal to a first angle and smaller than 90 degrees with respect to a direction normal to a film surface of the louver film.