公开(公告)号：US09274375B2

公开(公告)日：2016-03-01

申请号：US14382753

申请日：2013-02-20

Applicant: Sharp Kabushiki Kaisha

Inventor： Yuichi Kawahira ,  Toshihiro Matsumoto ,  Mitsuhiro Murata ,  Yosuke Iwata

IPC: G02F1/1335 ,  G02F1/13363 ,  G02F1/1343 ,  G02F1/00 ,  G02F1/1333 ,  G02F1/1362 ,  G02F1/139

CPC classification number: G02F1/13363 ,  G02F1/0045 ,  G02F1/133345 ,  G02F1/133528 ,  G02F1/133555 ,  G02F1/1336 ,  G02F1/134309 ,  G02F1/134363 ,  G02F1/13439 ,  G02F1/1362 ,  G02F1/1393 ,  G02F2001/133541 ,  G02F2001/133638 ,  G02F2413/13

Abstract: A liquid crystal display panel includes a metal electrode, a transparent electrode, an interlayer insulating film, and a comb-shaped electrode. Distorted horizontal electric fields are generated in order to distort the orientation of liquid crystal molecules. Accordingly, it is possible to achieve a transflective liquid crystal display device that has high transmittance, reflectance, and yield, and that can suppress display defects such as screen burn-in without using a panel gap adjusting structure, a driving method that respectively applies different electric fields to the reflective region and the transmissive region, or a multi-L/S structure.

Abstract translation: 液晶显示面板包括金属电极，透明电极，层间绝缘膜和梳状电极。 产生扭曲的水平电场以使液晶分子的取向变形。 因此，可以实现透射率，反射率和产率高的半透射型液晶显示装置，并且可以在不使用面板间隙调整结构的情况下抑制屏幕老化等显示缺陷，分别应用不同的 反射区域和透射区域的电场，或多L / S结构。

公开(公告)号：US10948787B2

公开(公告)日：2021-03-16

申请号：US16085111

申请日：2017-03-07

Applicant: SHARP KABUSHIKI KAISHA

Inventor： Mitsuhiro Murata ,  Yosuke Iwata ,  Takuma Tomotoshi

IPC: G02F1/1343 ,  G02F1/1337 ,  G02F1/137 ,  G02F1/1333

Abstract: A liquid crystal display device of the present invention includes, in the given order: a first substrate; a liquid crystal layer containing liquid crystal molecules; and a second substrate. The first substrate includes a first electrode, a second electrode closer to the liquid crystal layer than the first electrode is, and an insulating film between the first electrode and the second electrode. The second electrode is provided with openings including a first opening and a second opening adjacent to each other. The first opening and the second opening are independent of each other and are point-symmetrical to each other. The first opening and the second opening each have a shape including: curved portions that expand an opening periphery outward at the respective ends in the longitudinal direction; and paired protruding portions that allow the opening periphery to protrude partially in the lateral direction in the middle of the longitudinal direction. The liquid crystal molecules are aligned parallel to the first substrate in a no-voltage-applied state where no voltage is applied between the first electrode and the second electrode.

公开(公告)号：US10754207B2

公开(公告)日：2020-08-25

申请号：US16090255

申请日：2017-03-23

Applicant: SHARP KABUSHIKI KAISHA

Inventor： Yosuke Iwata ,  Mitsuhiro Murata ,  Takuma Tomotoshi ,  Satoshi Matsumura

IPC: G02F1/1343 ,  G02F1/1368 ,  G09G3/20 ,  G09G3/36 ,  G02F1/133 ,  H01L27/12 ,  G02F1/1337 ,  G02F1/1362 ,  G02F1/137

Abstract: A liquid crystal display device includes an upper substrate and a lower substrate; and a liquid crystal layer sandwiched between the upper and lower substrates. The lower substrate includes a pixel electrode, a first auxiliary capacitance electrode, and a second auxiliary capacitance electrode for one pixel, and one or two auxiliary capacitance lines for one pixel line including pixels. The two auxiliary capacitive electrodes are electrically connected to different auxiliary capacitance lines. Each of the first auxiliary capacitance electrode and the second auxiliary capacitance electrode and the pixel electrode overlap each other in a plan view. The first auxiliary capacitance electrode and the second auxiliary capacitance electrode differ from each other in shape in a display region of each of the pixels. The shape of the first auxiliary capacitance electrode in a first pixel is identical to the shape of the second auxiliary capacitance electrode in a second pixel adjacent to the first pixel.

公开(公告)号：US10365674B2

公开(公告)日：2019-07-30

申请号：US15710961

申请日：2017-09-21

Applicant: Sharp Kabushiki Kaisha

Inventor： Kohei Tanaka ,  Hidefumi Yoshida ,  Takeshi Noma ,  Ryo Yonebayashi ,  Takayuki Nishiyama ,  Mitsuhiro Murata ,  Yosuke Iwata

IPC: G09G3/30 ,  G05F1/46 ,  G02F1/1368 ,  G02F1/1362 ,  H03K17/042 ,  H03K17/16 ,  H03K17/687 ,  G09G3/36 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1345 ,  H01L27/12 ,  H01L27/32

Abstract: A technique is provided that reduces dullness of a potential provided to a line such as gate line on an active-matrix substrate to enable driving the line at high speed and, at the same time, reduces the size of the picture frame region. On an active-matrix substrate (20a) are provided gate lines (13G) and source lines. On the active-matrix substrate (20a) are further provided: gate drivers (11) each including a plurality of switching elements, at least one of which is located in a pixel region, for supplying a scan signal to a gate line (13G); and lines (15L1) each for supplying a control signal to the associated gate driver (11). A control signal is supplied by a display control circuit (4) located outside the display region to the gate drivers (11) via the lines (15L1). In response to a control signal supplied, each gate driver (11) drives the gate line (13G) to which it is connected.

公开(公告)号：US10345504B2

公开(公告)日：2019-07-09

申请号：US15512590

申请日：2015-10-08

Applicant: Sharp Kabushiki Kaisha

Inventor： Hisashi Watanabe ,  Ryuzo Yuki ,  Mitsuhiro Murata

IPC: F21V8/00 ,  G02F1/1333

Abstract: A backlight device 13 includes LEDs 22, a light guide plate 24, and a light reflecting portion 34. The light guide plate 24 is a plate member and includes a light entrance surface 24a, an opposite edge surface 24d, and a light exit surface 24b. The light entrance surface 24a is an edge surface of the plate member and opposite the LEDs 22 and light emitted by the LEDs 22 enters the light guide plate 24 through the light entrance surface. The opposite edge surface 24d is another edge surface of the plate member that is on an opposite side from the light entrance surface 24a. The light exit surface 24b is a plate surface of the plate member and the light entering through the light entrance surface 24a exits the light guide plate 24 through the light exit surface. The light reflecting portion 34 is disposed on at least the opposite edge surface 24d and reflecting light travelling within the light guide plate 24 toward the opposite edge surface 24d.

公开(公告)号：US10274142B2

公开(公告)日：2019-04-30

申请号：US15763583

申请日：2016-09-26

Applicant: SHARP KABUSHIKI KAISHA

Inventor： Hisashi Watanabe ,  Ryuzo Yuki ,  Hirotoshi Yasunaga ,  Mitsuhiro Murata ,  Makoto Yoshimura ,  Hiromi Enomoto

IPC: F21K9/20 ,  F21S2/00 ,  F21V8/00 ,  F21Y115/10 ,  G02F1/1335

Abstract: A backlight device includes LEDs, a light guide plate, an LED substrate, an optical sheet, and a low light-transmissive member. The light guide plate includes a light entering end surface, a light exiting plate surface, and an opposite plate surface. The LED substrate is disposed such that at least a section of the LED substrate overlaps a light entering-side edge section that is an edge section of the light guide plate on the light entering end surface side. The optical sheet includes a light entering-side edge section overlapping section disposed on the light exiting plate surface side of the light guide plate to overlap the light entering-side edge section. The low light-transmissive member disposed on the light entering-side edge section overlapping section of the optical sheet. The low light-transmissive member has a light transmissivity lower than that of other sections of the optical sheet.

公开(公告)号：US10268075B2

公开(公告)日：2019-04-23

申请号：US15539642

申请日：2015-12-18

Applicant: Sharp Kabushiki Kaisha

Inventor： Ryuzo Yuki ,  Hisashi Watanabe ,  Shinya Kadowaki ,  Mitsuhiro Murata ,  Takeshi Ishida ,  Takeshi Masuda

IPC: G02F1/1335 ,  H05B33/08 ,  F21V19/00 ,  F21V23/04

Abstract: A lighting device includes light sources, a light source board, and a casing. The light source board includes a board body portion having a substantially circular outer edge where the light sources are arranged at intervals in a substantially annular shape such that each light source emits light toward a center, an extended portion extending inward from the board body portion, and a trace portion electrically connected to each light source. The casing includes a tubular-shaped side wall portion surrounding the light sources, and a bottom portion disposed opposite the board body portion and having an exit hole therethrough through which the extended portion is inserted and the distal end of the extended portion is extended outside.

公开(公告)号：US10209428B2

公开(公告)日：2019-02-19

申请号：US15539656

申请日：2015-12-18

Applicant: Sharp Kabushiki Kaisha

Inventor： Ryuzo Yuki ,  Hisashi Watanabe ,  Takeshi Masuda ,  Mitsuhiro Murata ,  Shinya Kadowaki ,  Takeshi Ishida

IPC: F21V8/00 ,  G02F1/1335 ,  G02F1/1333 ,  F21S2/00 ,  F21V17/00 ,  F21V17/10

Abstract: A lighting device includes an annular light source including light sources arranged in a circular pattern, a light guide plate having a round shape in a plan view, and a case holding the annular light source and the light guide plate. The light guide plate is disposed inside the annular light source. The light guide plate includes light entering portions, circumferentially aligned portions, and a light emitting portion. The light entering portions are opposed to the light sources. Each circumferentially aligned portion is between the adjacent light entering portions. A dimension of the circumferentially aligned portion in the radial direction is larger than a dimension of the light entering portion in the radial direction. The circumferentially aligned portions are aligned with the light sources in the circumferential direction and configured to contact the light sources when the light guide plate is rotated in the circumferential direction.

公开(公告)号：US10126859B2

公开(公告)日：2018-11-13

申请号：US15119059

申请日：2015-02-19

Applicant: Sharp Kabushiki Kaisha

Inventor： Yasuhiro Sugita ,  Kenshi Tada ,  Hiroyuki Ogawa ,  Shinji Yamagishi ,  Jean Mugiraneza ,  Koichi Miyachi ,  Hidefumi Yoshida ,  Mitsuhiro Murata ,  Kohhei Tanaka

IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1333

Abstract: A touch panel includes: a first substrate; a second substrate disposed on a viewer side of the first substrate; a liquid crystal layer provided between the first substrate and the second substrate; a plurality of pixel electrodes and a common electrode for applying a voltage to the liquid crystal layer; and a plurality of detection electrodes and a plurality of driving electrodes for a touch sensor. The first substrate includes: a first transparent substrate; and the plurality of pixel electrodes, which are formed on the liquid crystal layer side of the first transparent substrate. The second substrate includes: a second transparent substrate; and the plurality of driving electrodes and the plurality of detection electrodes formed on the liquid crystal layer side of the second transparent substrate. The touch panel does not include a conductive layer on the viewer side of the second transparent substrate.

公开(公告)号：US09835911B2

公开(公告)日：2017-12-05

申请号：US15100728

申请日：2014-08-22

Applicant: Sharp Kabushiki Kaisha

Inventor： Hidefumi Yoshida ,  Mitsuhiro Murata ,  Yosuke Iwata ,  Satoshi Matsumura

IPC: G02F1/1343 ,  G02F1/133 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/1368 ,  G02F1/137

CPC classification number: G02F1/134363 ,  G02F1/13306 ,  G02F1/133345 ,  G02F1/133528 ,  G02F1/133784 ,  G02F1/133788 ,  G02F1/13439 ,  G02F1/1368 ,  G02F1/137 ,  G02F2001/133738 ,  G02F2001/134372 ,  G02F2001/134381 ,  G02F2001/13706 ,  G02F2001/13712 ,  G02F2201/121 ,  G02F2201/123 ,  G02F2201/124

Abstract: The present invention provides a liquid crystal display device in a new display mode that is based on the horizontal alignment capable of giving a wide viewing angle and that can achieve high speed response. The liquid crystal display device includes: a first substrate that includes a pair of electrodes; a second substrate that includes a pixel electrode and a common electrode; and a liquid crystal layer that contains liquid crystal molecules aligned horizontally, at least one of the pair of electrodes including a first linear portion that extends in a first direction, at least one of the pixel electrode and the common electrode including a second linear portion that extends in a second direction intersecting the first direction, the liquid crystal molecules being aligned in a direction perpendicular or parallel to the first direction in a first display state in which voltage is applied between the pair of electrodes but voltage is not applied between the pixel electrode and the common electrode, the liquid crystal molecules being aligned in a direction different from the alignment direction of the first display state, in a second display state in which voltage is applied between the pair of electrodes and voltage is applied between the pixel electrode and the common electrode.