公开(公告)号：US20240168282A1

公开(公告)日：2024-05-23

申请号：US18499185

申请日：2023-10-31

Applicant: Kantatsu Co., Ltd ,  Sharp Display Technology Corporation

Inventor： Ryo Maruyama ,  Naru Usukura

IPC: G02B27/00 ,  G02B5/30 ,  G02B27/09 ,  G02B27/28

CPC classification number: G02B27/0025 ,  G02B5/3083 ,  G02B27/0955 ,  G02B27/0977 ,  G02B27/283 ,  G02B27/0172

Abstract: An optical system includes, in order from a pupil surface side to a display surface side, a first reflective polarizing plate, a first lens having a positive refractive power, a half mirror, a second lens having a positive refractive power, and a second reflective polarizing plate. The optical system further includes a first quarter wave plate arranged between a pupil surface and the half mirror, and a second quarter wave plate arranged between the half mirror and a display surface. The second lens has a paraxially convex surface on the pupil surface side. Further, in the case where a paraxial curvature radius of a surface of the first lens on the pupil surface side is r1 and a paraxial curvature radius of a surface of the first lens on the display surface side is r2, the optical system satisfies a conditional expression below: (1) −3.2

公开(公告)号：US11988918B1

公开(公告)日：2024-05-21

申请号：US18382267

申请日：2023-10-20

Applicant: Sharp Display Technology Corporation

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

IPC: G02F1/1335 ,  G02F1/13357

CPC classification number: G02F1/133531 ,  G02F1/133605 ,  G02F1/133607 ,  G02F2202/40

Abstract: Provided is an optical element including a phase difference layer. The phase difference layer is a laminate of n first phase difference layers and m second phase difference layers. The n first phase difference layers each contain first anisotropic molecules with tilt angles different between a viewing surface side and a back surface side. The m second phase difference layers each contain second anisotropic molecules with tilt angles different between a viewing surface side and a back surface side. Slow axes of the n first phase difference layers are in a same orientation. Slow axes of the m second phase difference layers are in a same orientation. The slow axes of the n first phase difference layers and the slow axes of the m second phase difference layers are anti-parallel to each other and are parallel to or perpendicular to the transmission axis of the first polarizer.

公开(公告)号：US11988910B1

公开(公告)日：2024-05-21

申请号：US18379427

申请日：2023-10-12

Applicant: Sharp Display Technology Corporation

Inventor： Koji Murata ,  Junichi Masuda ,  Shugo Yagi ,  Akira Hirai ,  Hiroshi Tsuchiya ,  Takashi Satoh ,  Akira Sakai ,  Kiyoshi Minoura

IPC: G02F1/13 ,  G02F1/1335 ,  G02F1/1347

CPC classification number: G02F1/1323 ,  G02F1/133528 ,  G02F1/1347

Abstract: A viewing angle-controlling liquid crystal panel sequentially includes a first polarizing plate; a first liquid crystal panel; a second polarizing plate; a second liquid crystal panel; and a third polarizing plate, wherein an azimuthal angle φP1 of the absorption axis of the first polarizing plate, an azimuthal angle φ1 of a director of liquid crystal molecules near the first substrate and an azimuthal angle φ2 of a director of liquid crystal molecules near the second substrate in the first liquid crystal panel, an azimuthal angle φP2 of the absorption axis of the second polarizing plate, an azimuthal angle φ3 of a director of liquid crystal molecules near the third substrate and an azimuthal angle φ4 of a director of liquid crystal molecules near the fourth substrate in the second liquid crystal panel, and an azimuthal angle φP3 of the absorption axis of the third polarizing plate satisfy specific formulas.

公开(公告)号：US20240160067A1

公开(公告)日：2024-05-16

申请号：US18378090

申请日：2023-10-09

Applicant: Sharp Display Technology Corporation

Inventor： Masakatsu TOMINAGA

IPC: G02F1/1362 ,  G02F1/1343 ,  G09G3/36 ,  H01L27/12

CPC classification number: G02F1/136295 ,  G02F1/134336 ,  G02F1/134372 ,  G09G3/3648 ,  H01L27/124 ,  G02F2201/121 ,  G02F2201/123

Abstract: A liquid crystal display apparatus includes a TFT substrate including first and second gate bus lines, source bus lines, and pixels and a liquid crystal layer. The pixel includes a pixel electrode, a common electrode, an auxiliary electrode, and first to third TFTs. The gates of the first and second TFTs are connected to one of the first and second gate bus lines, and the drains are connected to the pixel electrode and the auxiliary electrode, respectively. The gate of the third TFT is connected to the other of the first and second gate bus lines, and the source and drain of the third TFT are connected to the pixel electrode and the auxiliary electrode, respectively. Gate signals are applied to the first and second gate bus lines so that the TFTs connected to the first and second gate bus lines are turned on at different points in time.

公开(公告)号：US20240150698A1

公开(公告)日：2024-05-09

申请号：US18383626

申请日：2023-10-25

Applicant: Sharp Display Technology Corporation

Inventor： Chihiro TACHINO ,  Tomoko TERANISHI ,  Satoshi IHIDA ,  Takeshi HARA

IPC: C12M1/12 ,  C12M1/00 ,  C12M1/34

CPC classification number: C12M25/14 ,  C12M23/22 ,  C12M41/00

Abstract: A cell culture device includes a substrate, a wire disposed on a main surface of the substrate, an insulating film disposed on the main surface of the substrate and having a part that overlaps the wire, and the electrodes disposed on the insulating film and having a part that overlaps the wire. The insulating film has a contact hole at a position overlapping the wire and the electrode. A plurality of grooves are formed on at least the surface of a part of the electrode that overlaps the contact hole.

公开(公告)号：US20240141139A1

公开(公告)日：2024-05-02

申请号：US18370022

申请日：2023-09-19

Applicant: Sharp Display Technology Corporation

Inventor： Hisashi WATANABE ,  Hirotoshi YASUNAGA

IPC: C08K9/00

CPC classification number: C08K9/00 ,  C08K2201/005

Abstract: Provided is a display device that makes a desired pattern or the like visible in the non-display state and is capable of displaying a display image without allowing perception of the complementary color of the color of the pattern or the like. The display device includes: a dot matrix display panel; and a design layer disposed in front of a front surface side of the display panel. The design layer includes a design part that includes a binder resin and light-reflective colored particles dispersed in the binder resin. The light-reflective colored particles reflect light having a specific wavelength while absorbing light having a wavelength other than the specific wavelength.

公开(公告)号：US11966542B2

公开(公告)日：2024-04-23

申请号：US18126826

申请日：2023-03-27

Applicant: Sharp Display Technology Corporation

Inventor： Kazutoshi Kida ,  Takenori Maruyama

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0418 ,  G06F3/0445 ,  G06F2203/04105

Abstract: A touch panel system includes a capacitive touch panel and a controller that controls the touch panel. The touch panel includes drive electrodes and floating island electrodes located on a first substrate and position detection electrodes, pressure detection electrodes, and heat detection electrodes located on a second substrate. The drive electrode overlaps at least part of the heat detection electrode and at least part of the pressure detection electrode, and the floating island electrode overlaps at least part of the position detection electrode in plan view. The controller provides a drive signal to the drive electrodes and the heat detection electrodes and corrects a pressure detection signal obtained from each of the pressure detection electrodes by using a heat detection signal obtained from a change in a coupling capacitance between the pressure detection electrode and the heat detection electrode.

公开(公告)号：US11960176B2

公开(公告)日：2024-04-16

申请号：US18106465

申请日：2023-02-06

Applicant: Sharp Display Technology Corporation

Inventor： Mitsuaki Hirata

IPC: G02F1/1343 ,  G02F1/1337

CPC classification number: G02F1/134336 ,  G02F1/133707 ,  G02F1/133746 ,  G02F1/133788

Abstract: Each pixel of the liquid crystal display device includes a first, second, third, and fourth domains arranged in two rows and two columns, and reference alignment directions of the respective domains are first, second, third, and fourth directions. The first direction and the second direction form an angle of approximately 180°, and the first domain and the second domain are adjacent to each other in an oblique direction. The pixel electrode includes a plurality of first slits formed in a region corresponding to the first domain and extending approximately parallel to the first direction, and a plurality of second slits formed in a region corresponding to the second domain and extending approximately parallel to the second direction, and has no slits in a region corresponding to the third domain and no slits in a region corresponding to the fourth domain.

公开(公告)号：US11960166B2

公开(公告)日：2024-04-16

申请号：US18102904

申请日：2023-01-30

Applicant: Sharp Display Technology Corporation

Inventor： Naru Usukura ,  Masahiro Imai ,  Yuhichiroh Murakami ,  Takahiro Yamaguchi ,  Shige Furuta

IPC: G02F1/1335 ,  G02F1/13357 ,  G02F1/1362 ,  G02F1/1368

CPC classification number: G02F1/133536 ,  G02F1/133504 ,  G02F1/133524 ,  G02F1/133603 ,  G02F1/136286 ,  G02F1/1368

Abstract: A display device includes an organic EL element layer, a liquid crystal element layer disposed on top of the organic EL element layer, and a polarizing plate disposed at a side of the liquid crystal element layer that faces an observer. The liquid crystal element layer includes two transparent substrates and a liquid crystal layer disposed between the two transparent substrates. The liquid crystal element layer is configured to be able to, by applying a voltage to the liquid crystal layer, cause a substantially quarter-wavelength retardation in light passing through the liquid crystal layer.

公开(公告)号：US20240114715A1

公开(公告)日：2024-04-04

申请号：US18275019

申请日：2021-02-08

Applicant: Sharp Display Technology Corporation

Inventor： Masanobu MIZUSAKI

IPC: H10K50/852 ,  H10K50/13

CPC classification number: H10K50/852 ,  H10K50/13

Abstract: A light-emitting element includes: a lower electrode that reflects light; an upper electrode that transmits and reflects light; and a lower light-emitting layer and an upper light-emitting layer both between the lower electrode and the upper electrode, wherein a first viewing angle at which light emitted by the lower light-emitting layer with a selected wavelength achieves a maximum resonance effect differs from a second viewing angle at which light emitted by the upper light-emitting layer with the selected wavelength achieves a maximum resonance effect.