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公开(公告)号：US10802345B2
公开(公告)日：2020-10-13
申请号：US16080729
申请日：2017-02-21
发明人： Mitsuhiro Murata , Yosuke Iwata , Takuma Tomotoshi
IPC分类号： G02F1/1337 , G02F1/1343
摘要： Disclosed is a horizontal alignment mode liquid crystal display device that can achieve higher definition and improved response speed. The liquid crystal display device 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 positioned closer to the liquid crystal layer than the first electrode is, and an insulating film between the first and second electrodes. The second electrode is provided with an opening having a shape including a longitudinal-shaped portion and a pair of protrusions protruding to opposite sides from the longitudinal-shaped portion. The protrusions are provided at portions excluding both end portions in the longitudinal direction of the longitudinal-shaped portion and are located at corresponding positions. In a no-voltage-applied state, the liquid crystal molecules are aligned parallel to the first substrate, and in a plan view, the longitudinal direction of the longitudinal-shaped portion and an alignment azimuth of the liquid crystal molecules in the no-voltage-applied state are parallel or orthogonal to each other.
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公开(公告)号：US10670917B2
公开(公告)日：2020-06-02
申请号：US15765495
申请日：2016-09-28
IPC分类号： G02F1/13357 , F21V8/00 , G02F1/1335
摘要： A lighting device includes LEDs, a light guide plate, and a frame. The light guide plate includes a light guide plate hole portion passing through in a thickness direction, a light entering surface, and a light exiting surface. The frame surrounds the light guide plate. The frame includes an outer peripheral wall portion and an inner peripheral wall portion. The outer peripheral wall portion opposes an outer peripheral end face of the light guide plate. The inner peripheral wall portion inserted to the light guide plate hole portion opposes an inner peripheral end face of the light guide plate on an inner side of the light guide plate hole portion. The inner peripheral wall portion has a configuration in which the opposing surface has a lower light reflectivity than that of an opposing surface of the outer peripheral wall portion.
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公开(公告)号：US10663804B2
公开(公告)日：2020-05-26
申请号：US15762964
申请日：2016-09-20
IPC分类号： G02F1/1337 , G02F1/1343 , G02F1/137
摘要： A liquid crystal display device includes, in the given order: a first substrate; a liquid crystal layer containing liquid crystal molecules; and a second substrate; wherein the first substrate includes a first electrode, a second electrode positioned 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 has an opening having a shape including an elliptical portion and/or a circular portion, in a no-voltage-applied state, where no voltage is applied between the first electrode and the second electrode, the liquid crystal molecules are aligned parallel to the first substrate, and in a plan view, the major axis of the elliptical portion is parallel or perpendicular to the alignment azimuth of the liquid crystal molecules in the no-voltage-applied state.
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公开(公告)号：US10209432B2
公开(公告)日：2019-02-19
申请号：US15550798
申请日：2016-02-05
发明人： Mitsuhiro Murata , Ryuzo Yuki , Hisashi Watanabe , Shinya Kadowaki , Takeshi Ishida , Takeshi Masuda
IPC分类号： F21V8/00
摘要： A backlight device (12) includes a light guide plate (14), and LEDs (17), and wiring portions (18c). The light guide plate (14) has a substantially circular outer shape and has fan-shaped areas (SA) defined by segment lines (SL) extending through a center (C) thereof. All the segment lines (SL) meet at the center (C). The LEDs (17) are arranged such that middle positions between LEDs (17) each located at an end in the circumferential direction in the respective sets of the LEDs (17) provided for the fan-shaped areas (SA) adjacent to each other in the circumferential direction coincides with the segment lines (SL). The wiring portions (18c) are equal or larger in number than the LEDs (17) included in each of the sets of LEDs (17) provided for the fan-shaped areas (SA) and are configured to supply electric power to the respective LEDs (17).
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5.发明授权公开(公告)号：US10018868B2
公开(公告)日：2018-07-10
申请号：US15539831
申请日：2015-12-18
发明人： Takeshi Masuda , Ryuzo Yuki , Hisashi Watanabe , Shinya Kadowaki , Mitsuhiro Murata , Takeshi Ishida
IPC分类号： G02F1/1335 , F21V5/02 , F21V5/04 , G02F1/1333
CPC分类号： G02F1/1335 , F21V5/02 , F21V5/048 , G02F1/133308 , G02F1/133615 , G02F2001/133317 , G02F2001/133337 , G02F2001/133388 , G02F2201/56
摘要： A backlight device includes: optical members with a substantially circular profile, including a light guide plate, optical sheets, and a reflective sheet; a chassis (lamination member) disposed to overlap the light guide plate, the optical sheets, and the reflective sheet (optical members); and positioning structures. The positioning structures are provided on the light guide plate, the optical sheets, and the reflective sheet (optical members) and on the chassis (lamination member). The positioning structures have contact faces that come into contact with each other in the circumferential direction of the light guide plate, the optical sheets, and the reflective sheet (optical members), so as to position the light guide plate, the optical sheets, and the reflective sheet (optical member) relative to the chassis (lamination member) in the circumferential direction.
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公开(公告)号：US09798339B2
公开(公告)日：2017-10-24
申请号：US14438941
申请日：2013-10-30
发明人： Kohei Tanaka , Hidefumi Yoshida , Takeshi Noma , Ryo Yonebayashi , Takayuki Nishiyama , Mitsuhiro Murata , Yosuke Iwata
IPC分类号： G09G5/00 , G05F1/46 , G02F1/1368 , G02F1/1362 , H03K17/042 , H03K17/16 , H03K17/687 , G09G3/36 , G02F1/1333 , G02F1/1335 , G02F1/1345 , H01L27/12 , H01L27/32
CPC分类号： G05F1/467 , G02F1/133308 , G02F1/133514 , G02F1/13454 , G02F1/136213 , G02F1/136227 , G02F1/136286 , G02F1/1368 , G02F2201/123 , G09G3/3677 , G09G2300/0408 , G09G2300/0426 , G09G2310/0251 , G09G2310/0281 , G09G2310/0286 , G09G2320/0223 , H01L27/124 , H01L27/1255 , H01L27/3272 , H03K17/04206 , H03K17/165 , H03K17/687
摘要： 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.
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公开(公告)号：US09753338B2
公开(公告)日：2017-09-05
申请号：US15310480
申请日：2015-05-08
IPC分类号： G02F1/1335 , G02F1/1337 , G02F1/1343 , G02F1/1333 , G02F1/137
CPC分类号： G02F1/134363 , G02F1/133345 , G02F1/133528 , G02F1/1337 , G02F1/133707 , G02F1/137 , G02F2001/133531 , G02F2001/134372 , G02F2001/134381 , G02F2001/13712 , G02F2203/64
摘要： A first substrate (10) of a liquid crystal display device (100) includes: an alignment film defining an initial alignment azimuthal direction (D), which is an alignment azimuthal direction of liquid crystal molecules (31) when no electric field is applied through a liquid crystal layer (30); a first electrode (11) and a second electrode (12) capable of producing a fringe electric field (FE) that aligns the liquid crystal molecules in an azimuthal direction that is different from the initial alignment azimuthal direction; and a third electrode (13) and a fourth electrode (14) capable of producing a lateral electric field that aligns the liquid crystal molecules in the initial alignment azimuthal direction.
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公开(公告)号：US09494832B2
公开(公告)日：2016-11-15
申请号：US14414391
申请日：2013-07-16
IPC分类号： G02F1/1343 , G09G3/36 , G02F1/1333 , G02F1/1337 , G02F1/137
CPC分类号： G02F1/134309 , G02F1/133345 , G02F1/1337 , G02F2001/133742 , G02F2001/133773 , G02F2001/134381 , G02F2001/13712 , G09G3/36 , G09G2300/0447
摘要： Provided is a liquid crystal display device having excellent viewing angle characteristics and high contrast in a display mode using both a vertical electric field and a horizontal electric field. This liquid crystal display device is provided with a first substrate and a second substrate disposed facing each other, and a liquid crystal layer held between said first and second substrates. The liquid crystal layer contains liquid crystal molecules having a negative dielectric anisotropy. The first substrate is provided with a flat plate first electrode, a first insulating layer, and a second electrode provided in a layer other than that of the first electrode and provided separated from the first electrode by the first insulating layer. The second electrode has multiple comb-tooth sections and multiple slits, and the second substrate has a flat plate third electrode. Defining V1 as the potential difference between the first electrode and the third electrode, V2 as the potential difference between the first electrode and the second electrode, and V2_B as the potential difference between the first electrode and the second electrode when the lowest gradation is showed, V1, V2 and V2_B satisfy 0
摘要翻译： 提供一种液晶显示装置，其在使用垂直电场和水平电场的显示模式中具有优异的视角特性和高对比度。 该液晶显示装置设置有彼此相对配置的第一基板和第二基板，以及保持在所述第一基板和第二基板之间的液晶层。 液晶层含有具有负介电各向异性的液晶分子。 第一基板设置有平板第一电极，第一绝缘层和设置在除了第一电极之外的层中的第二电极，并且通过第一绝缘层与第一电极分离设置。 第二电极具有多个梳齿部和多个狭缝，第二基板具有平板第三电极。 将V1定义为第一电极和第三电极之间的电位差，V2作为第一电极和第二电极之间的电位差，V2_B作为当显示最低等级时的第一电极和第二电极之间的电位差， V1，V2和V2_B满足0 <| V2_B |≤| V2 | <| V1 |。
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公开(公告)号：US09417486B2
公开(公告)日：2016-08-16
申请号：US14403069
申请日：2013-05-22
发明人： Mitsuhiro Murata , Yosuke Iwata , Hidefumi Yoshida
IPC分类号： G02F1/1343 , G02F1/1337 , G02F1/139 , G02F1/137
CPC分类号： G02F1/134309 , G02F1/1337 , G02F1/134363 , G02F1/137 , G02F1/1395 , G02F2001/133742 , G02F2001/133746 , G02F2001/134372 , G02F2001/134381 , G02F2001/13712
摘要： Provided is a liquid crystal display device having excellent display characteristics in a display mode that uses a vertical electric field and a horizontal electric field. This liquid crystal display device is provided with a first substrate and a second substrate provided facing each other and a liquid crystal layer sandwiched between the first and second substrates. The liquid crystal layer includes liquid crystal molecules having negative dielectric anisotropy. The first substrate is provided with a plate shaped first common electrode, an insulating film, and pixel electrodes, which are provided in a layer different from the first common electrode via the insulating film, and the pixel electrodes have a comb shaped structure. The second substrate is provided with a plate shaped second common electrode and a film formed by having an alignment treatment applied to a vertical alignment film that aligns the initial orientation of the liquid crystal molecules vertically. During the highest gradation, the difference in electric potential between the first common electrode and second common electrode is set to be larger than the difference in potential between the first common electrode and the pixel electrodes.
摘要翻译： 提供一种在使用垂直电场和水平电场的显示模式中具有优异的显示特性的液晶显示装置。 该液晶显示装置设置有彼此相对设置的第一基板和第二基板以及夹在第一基板和第二基板之间的液晶层。 液晶层包括具有负介电各向异性的液晶分子。 第一基板设置有通过绝缘膜设置在与第一公共电极不同的层中的板状的第一公共电极，绝缘膜和像素电极，并且像素电极具有梳状结构。 第二基板设置有板状的第二公共电极和通过对垂直取向膜施加取向处理形成的膜，该垂直取向膜垂直地对准液晶分子的初始取向。 在最高等级时，第一公共电极和第二公共电极之间的电位差被设定为大于第一公共电极和像素电极之间的电位差。
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公开(公告)号：US20150153619A1
公开(公告)日：2015-06-04
申请号：US14403069
申请日：2013-05-22
发明人： Mitsuhiro Murata , Yosuke Iwata , Hidefumi Yoshida
IPC分类号： G02F1/1343 , G02F1/137 , G02F1/1337
CPC分类号： G02F1/134309 , G02F1/1337 , G02F1/134363 , G02F1/137 , G02F1/1395 , G02F2001/133742 , G02F2001/133746 , G02F2001/134372 , G02F2001/134381 , G02F2001/13712
摘要： Provided is a liquid crystal display device having excellent display characteristics in a display mode that uses a vertical electric field and a horizontal electric field. This liquid crystal display device is provided with a first substrate and a second substrate provided facing each other and a liquid crystal layer sandwiched between the first and second substrates. The liquid crystal layer includes liquid crystal molecules having negative dielectric anisotropy. The first substrate is provided with a plate shaped first common electrode, an insulating film, and pixel electrodes, which are provided in a layer different from the first common electrode via the insulating film, and the pixel electrodes have a comb shaped structure. The second substrate is provided with a plate shaped second common electrode and a film formed by having an alignment treatment applied to a vertical alignment film that aligns the initial orientation of the liquid crystal molecules vertically. During the highest gradation, the difference in electric potential between the first common electrode and second common electrode is set to be larger than the difference in potential between the first common electrode and the pixel electrodes.
摘要翻译： 提供一种在使用垂直电场和水平电场的显示模式中具有优异的显示特性的液晶显示装置。 该液晶显示装置设置有彼此相对设置的第一基板和第二基板以及夹在第一基板和第二基板之间的液晶层。 液晶层包括具有负介电各向异性的液晶分子。 第一基板设置有通过绝缘膜设置在与第一公共电极不同的层中的板状的第一公共电极，绝缘膜和像素电极，并且像素电极具有梳状结构。 第二基板设置有板状的第二公共电极和通过对垂直取向膜施加取向处理形成的膜，该垂直取向膜垂直地对准液晶分子的初始取向。 在最高等级时，第一公共电极和第二公共电极之间的电位差被设定为大于第一公共电极和像素电极之间的电位差。
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