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公开(公告)号:US08199139B2
公开(公告)日:2012-06-12
申请号:US12530661
申请日:2008-03-13
申请人: Tsuyoshi Okazaki , Takehiko Sakai , Katsuhiko Morishita , Yoshiharu Kataoka , Chikanori Tsukamura , Dai Chiba
发明人: Tsuyoshi Okazaki , Takehiko Sakai , Katsuhiko Morishita , Yoshiharu Kataoka , Chikanori Tsukamura , Dai Chiba
CPC分类号: G02F1/13471 , G02F1/1323 , G02F1/133514 , G02F2001/134345 , G02F2201/52 , G02F2202/40 , G09G3/3648 , G09G2300/023 , G09G2300/0452 , G09G2300/0486 , G09G2320/0238 , G09G2320/068
摘要: There are provided a viewing angle control device that can provide a pure black display without coloring and have a significantly improved shielding ability in the narrow viewing angle state, and a display using the viewing angle control device. To adjust the VT (voltage-transmittance) characteristics of a viewing angle control liquid crystal panel (2) that switches a viewing angle between a wide viewing angle state and a narrow viewing angle state by using birefringence of liquid crystal, translucent electrode films (205r, 205g, 206b), to which alternating-current voltages with different frequencies are applied, are provided on a portion of at least one of a pair of translucent substrates (201, 202) sandwiching the liquid crystal, the portion corresponding to at least one color of a picture element of a display liquid crystal panel (1), so that the voltage-transmittance characteristics of the liquid crystal are adjusted.
摘要翻译: 提供了一种视角控制装置,其能够提供纯黑色显示器而不着色,并且在窄视角状态下具有显着提高的屏蔽能力,以及使用视角控制装置的显示器。 为了通过使用液晶的双折射来调节在宽视角状态和窄视角状态之间切换视角的视角控制液晶面板(2)的VT(电压透过率)特性,透光性电极膜(205r ,205g,206b),其中施加有不同频率的交流电压被设置在夹着液晶的一对半透明基板(201,202)中的至少一个的部分上,该部分对应于至少一个 显示液晶面板(1)的像素的颜色,从而调节液晶的电压 - 透射率特性。
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公开(公告)号:US07932975B2
公开(公告)日:2011-04-26
申请号:US12303826
申请日:2007-07-05
申请人: Takehiko Sakai , Tsuyoshi Okazaki , Katsuhiko Morishita , Yoshiharu Kataoka , Chikanori Tsukamura , Dai Chiba
发明人: Takehiko Sakai , Tsuyoshi Okazaki , Katsuhiko Morishita , Yoshiharu Kataoka , Chikanori Tsukamura , Dai Chiba
IPC分类号: G02F1/1335
CPC分类号: G02F1/133634 , G02F1/133528 , G02F1/133553 , G02F2001/133638 , G02F2413/11
摘要: A liquid crystal display device includes a reflective liquid crystal panel (20) having a liquid crystal panel polarization plate (22), a polarization plate (32) provided on a front surface side of the polarization plate (22) with its absorption axis in parallel with an absorption axis of the polarization plate (22), and a negative C plate (31) provided between the liquid crystal panel polarization plate (22) and the polarization plate (32). The negative C plate (31) sets a direction in which viewing limitation is carried out. Thus, it is possible to provide the liquid crystal display device in which a viewing angle can be narrowed by freely setting, in the reflective liquid crystal panel, the direction in which the viewing limitation should be carried out.
摘要翻译: 液晶显示装置包括具有液晶面板偏振板(22)的反射型液晶面板(20),设置在偏振板(22)的前表面侧的偏振板(32),其吸收轴平行 具有偏振板(22)的吸收轴和设置在液晶面板偏振板(22)和偏振板(32)之间的负C板(31)。 负C板(31)设定观察限制的方向。 因此,可以通过在反射型液晶面板中自由设定观察限制的方向,来提供可以使视角变窄的液晶显示装置。
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公开(公告)号:US20090096954A1
公开(公告)日:2009-04-16
申请号:US12293911
申请日:2006-12-21
申请人: Takehiko Sakai , Tsuyoshi Okazaki , Katsuhiko Morishita , Yoshiharu Kataoka , Chikanori Tsukamura , Dai Chiba
发明人: Takehiko Sakai , Tsuyoshi Okazaki , Katsuhiko Morishita , Yoshiharu Kataoka , Chikanori Tsukamura , Dai Chiba
IPC分类号: G02F1/1335 , G02F1/13357
CPC分类号: G02F1/1347 , G02F1/1323 , G02F2001/133607
摘要: A liquid crystal display includes a backlight (3), a liquid crystal display panel (1), and a viewing angle control panel (2) for controlling the viewing angle of the display panel (1), the liquid crystal display further including a lens sheet (41) provided between the backlight (3) and the liquid crystal display panel (1). This provides a display device system which is capable of providing better blocking.
摘要翻译: 液晶显示器包括用于控制显示面板(1)的视角的背光(3),液晶显示面板(1)和视角控制面板(2),液晶显示器还包括透镜 设置在背光源(3)和液晶显示面板(1)之间的片材(41)。 这提供了能够提供更好的阻挡的显示装置系统。
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公开(公告)号:US08045097B2
公开(公告)日:2011-10-25
申请号:US12297922
申请日:2007-04-16
申请人: Takehiko Sakai , Tsuyoshi Okazaki , Katsuhiko Morishita , Yoshiharu Kataoka , Chikanori Tsukamura , Dai Chiba
发明人: Takehiko Sakai , Tsuyoshi Okazaki , Katsuhiko Morishita , Yoshiharu Kataoka , Chikanori Tsukamura , Dai Chiba
IPC分类号: G02F1/1347 , G02F1/1335
CPC分类号: G02F1/13471 , G02F1/1323 , G02F2001/133638 , G02F2413/08
摘要: In a liquid crystal display device including a display liquid crystal panel and a viewing-angle-control liquid crystal panel and capable of switching viewing angle characteristics, a half wavelength plate for setting a viewing restricted direction is provided between the display liquid crystal panel and the viewing-angle-control liquid crystal panel. This makes it possible to realize a liquid crystal display device that allows a viewing restricted direction to be set as appropriate.
摘要翻译: 在包括显示液晶面板和视角控制液晶面板并且能够切换视角特性的液晶显示装置中,在显示液晶面板和显示液晶面板之间设置用于设定观看限制方向的半波长板 视角控制液晶面板。 这使得可以实现能够适当地设置观看限制方向的液晶显示装置。
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公开(公告)号:US20100103148A1
公开(公告)日:2010-04-29
申请号:US12530661
申请日:2008-03-13
申请人: Tsuyoshi Okazaki , Takehiko Sakai , Katsuhiko Morishita , Yoshiharu Kataoka , Chikanori Tsukamura , Dai Chiba
发明人: Tsuyoshi Okazaki , Takehiko Sakai , Katsuhiko Morishita , Yoshiharu Kataoka , Chikanori Tsukamura , Dai Chiba
IPC分类号: G09G3/36
CPC分类号: G02F1/13471 , G02F1/1323 , G02F1/133514 , G02F2001/134345 , G02F2201/52 , G02F2202/40 , G09G3/3648 , G09G2300/023 , G09G2300/0452 , G09G2300/0486 , G09G2320/0238 , G09G2320/068
摘要: There are provided a viewing angle control device that can provide a pure black display without coloring and have a significantly improved shielding ability in the narrow viewing angle state, and a display using the viewing angle control device. To adjust the VT (voltage-transmittance) characteristics of a viewing angle control liquid crystal panel (2) that switches a viewing angle between a wide viewing angle state and a narrow viewing angle state by using birefringence of liquid crystal, translucent electrode films (205r, 205g, 206b), to which alternating-current voltages with different frequencies are applied, are provided on a portion of at least one of a pair of translucent substrates (201, 202) sandwiching the liquid crystal, the portion corresponding to at least one color of a picture element of a display liquid crystal panel (1), so that the voltage-transmittance characteristics of the liquid crystal are adjusted.
摘要翻译: 提供了一种视角控制装置,其能够提供纯黑色显示器而不着色,并且在窄视角状态下具有显着提高的屏蔽能力,以及使用视角控制装置的显示器。 为了通过使用液晶的双折射来调节在宽视角状态和窄视角状态之间切换视角的视角控制液晶面板(2)的VT(电压透过率)特性,透光性电极膜(205r ,205g,206b),其中施加有不同频率的交流电压被设置在夹着液晶的一对半透明基板(201,202)中的至少一个的部分上,该部分对应于至少一个 显示液晶面板(1)的像素的颜色,从而调节液晶的电压 - 透射率特性。
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公开(公告)号:US20100085513A1
公开(公告)日:2010-04-08
申请号:US12441993
申请日:2007-09-12
申请人: Dai Chiba , Tsuyoshi Okazaki , Katsuhiko Morishita , Yoshiharu Kataoka , Chikanori Tsukamura , Takehiko Sakai
发明人: Dai Chiba , Tsuyoshi Okazaki , Katsuhiko Morishita , Yoshiharu Kataoka , Chikanori Tsukamura , Takehiko Sakai
IPC分类号: G02F1/1347 , G02F1/1333 , G02F1/1343
CPC分类号: G02F1/134336 , G02F1/1323
摘要: A viewing angle control panel (2) that includes two substrates (4 and 6) facing each other and liquid crystal layer (5) provided between the substrates and that is usable in combination with a display panel (10) so as to allow a liquid crystal display device (1) to switch a viewing angle characteristic, wherein: one of the substrates (6) includes a counter electrode pattern (62) in which a counter electrode is provided over the one of the two substrates; and the other one of the substrates (4) includes a transparent electrode pattern (49) in which transparent electrodes (49a through 49d) are provided in a striped manner and first and second wire electrodes (e.g., wire electrodes 48a and 48b) that are provided for each space (e.g., a space 51x) between the transparent electrodes in the transparent electrode pattern (49) in such a manner that the first the second wire electrodes, positioned in parallel with the transparent electrodes, respectively, overlap the space 51x. In the arrangement, electric potential settings of wiring electrodes (48a through 48f) are changed. This makes it possible to switch a visibility limitation direction.
摘要翻译: 一种视角控制面板(2),其包括彼此面对的两个基板(4和6)以及设置在所述基板之间的液晶层(5),并且可与显示面板(10)组合使用以允许液体 晶体显示装置(1)切换视角特性,其中:所述基板(6)中的一个包括在所述两个基板中的一个上设置有相对电极的对电极图案(62) 并且另一个基板(4)包括透明电极图案(49),其中以条纹方式设置透明电极(49a至49d),以及第一和第二线电极(例如,线电极48a和48b) 设置在透明电极图案(49)中的透明电极之间的每个空间(例如,空间51x),使得分别与透明电极平行定位的第一电极电极分别与空间51x重叠。 在这种布置中,布线电极(48a至48f)的电位设置改变。 这使得可以切换可见性限制方向。
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公开(公告)号:US20100026937A1
公开(公告)日:2010-02-04
申请号:US12529649
申请日:2008-03-13
申请人: Tsuyoshi Okazaki , Takehiko Sakai , Katsuhiko Morishita , Yoshiharu Kataoka , Chikanori Tsukamura , Dai Chiba
发明人: Tsuyoshi Okazaki , Takehiko Sakai , Katsuhiko Morishita , Yoshiharu Kataoka , Chikanori Tsukamura , Dai Chiba
IPC分类号: G02F1/1347
CPC分类号: G02F1/13471 , G02F1/1323 , G02F1/133345 , G02F1/133514 , G02F2201/52 , G02F2202/40 , G02F2203/62
摘要: There are provided a viewing angle control device that can provide a black display without coloring and achieve a significantly improved shielding ability during a narrow viewing angle state, and a display using the same. In order to adjust VT (voltage-transmittance) characteristics of a viewing angle control liquid crystal panel (2) that switches a viewing angle between a wide viewing angle state and a narrow viewing angle state by using birefringence of liquid crystal, the viewing angle control liquid crystal panel (2) includes a translucent dielectric film (206g, 206r) for adjusting the voltage-transmittance characteristics of the liquid crystal at a position corresponding to a picture element of at least one color in a display liquid crystal panel (1) on at least one of a pair of translucent substrates (201, 202) that sandwich the liquid crystal therebetween.
摘要翻译: 提供了一种视角控制装置,其可以提供黑色显示而不着色,并且在窄视角状态下实现显着改善的屏蔽能力,以及使用其的显示器。 为了通过使用液晶的双折射来调节在宽视角状态和窄视角状态之间切换视角的视角控制液晶面板(2)的VT(电压 - 透光率)特性,视角控制 液晶面板(2)包括半透明电介质膜(206g,206r),用于在显示液晶面板(1)上对应于至少一种颜色的像素的位置处调节液晶的电压 - 透射率特性 在其间夹着液晶的一对半透明基板(201,202)中的至少一个。
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公开(公告)号:US20090174843A1
公开(公告)日:2009-07-09
申请号:US12297922
申请日:2007-04-16
申请人: Takehiko Sakai , Tsuyoshi Okazaki , Katsuhiko Morishita , Yoshiharu Kataoka , Chikanori Tsukamura , Dai Chiba
发明人: Takehiko Sakai , Tsuyoshi Okazaki , Katsuhiko Morishita , Yoshiharu Kataoka , Chikanori Tsukamura , Dai Chiba
IPC分类号: G02F1/1347
CPC分类号: G02F1/13471 , G02F1/1323 , G02F2001/133638 , G02F2413/08
摘要: In a liquid crystal display device including a display liquid crystal panel and a viewing-angle-control liquid crystal panel and capable of switching viewing angle characteristics, a half wavelength plate for setting a viewing restricted direction is provided between the display liquid crystal panel and the viewing-angle-control liquid crystal panel. This makes it possible to realize a liquid crystal display device that allows a viewing restricted direction to be set as appropriate.
摘要翻译: 在包括显示液晶面板和视角控制液晶面板并且能够切换视角特性的液晶显示装置中,在显示液晶面板和显示液晶面板之间设置用于设定观看限制方向的半波长板 视角控制液晶面板。 这使得可以实现能够适当地设置观看限制方向的液晶显示装置。
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公开(公告)号:US07956940B2
公开(公告)日:2011-06-07
申请号:US12294146
申请日:2006-12-21
申请人: Takehiko Sakai , Tsuyoshi Okazaki , Katsuhiko Morishita , Yoshiharu Kataoka , Chikanori Tsukamura , Takahiro Sasaki , Dai Chiba
发明人: Takehiko Sakai , Tsuyoshi Okazaki , Katsuhiko Morishita , Yoshiharu Kataoka , Chikanori Tsukamura , Takahiro Sasaki , Dai Chiba
IPC分类号: G02F1/1335 , G02F1/1333 , F21V33/00 , F21V7/04 , A47F3/00
CPC分类号: G02F1/13476 , G02F1/1323 , G02F1/133504 , G02F1/133553 , G02F1/1393 , G02F2001/133562 , G02F2001/133616 , G07F19/205
摘要: A display system includes a liquid crystal display (10) including a backlight (3), a liquid crystal display panel (1), and a viewing angle control panel (2) for controlling the viewing angle of the display panel (1), the display system causing the amount of external light reflected by the liquid crystal display (10) to be relatively larger than the amount of light leaked from the backlight (3) onto the liquid crystal display panel (1). This provides a display system having an enhanced blocking effect.
摘要翻译: 显示系统包括:液晶显示器(10),包括背光源(3),液晶显示面板(1)和用于控制显示面板(1)的视角的视角控制面板(2) 显示系统使得由液晶显示器(10)反射的外部光量大于从背光源(3)向液晶显示面板(1)泄漏的光量。 这提供了具有增强的阻挡效果的显示系统。
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公开(公告)号:US07880843B2
公开(公告)日:2011-02-01
申请号:US12304028
申请日:2007-03-22
申请人: Katsuhiko Morishita , Tsuyoshi Okazaki , Takehiko Sakai , Yoshiharu Kataoka , Chikanori Tsukamura , Dai Chiba
发明人: Katsuhiko Morishita , Tsuyoshi Okazaki , Takehiko Sakai , Yoshiharu Kataoka , Chikanori Tsukamura , Dai Chiba
IPC分类号: G02F1/1335
CPC分类号: G02F1/13363 , G02F1/1323 , G02F1/1347 , G02F2001/133638 , G02F2413/04 , G02F2413/08 , G02F2413/11 , G02F2413/12
摘要: A liquid crystal display device (10) of the present invention includes a backlight (3), a display liquid crystal panel (1) and a viewing angle control panel (2) for switching a viewing angle of the display liquid crystal panel (1) between a wide viewing angle mode and a narrow viewing angle mode. The viewing angle control panel (2) includes a control panel upper polarizing plate (22), a liquid crystal cell (21) and a control panel lower polarizing plate (23) stacked in this order, and phase difference plates (24, 25) are provided between the polarizing plates (22, 23) and the liquid crystal cell (21), respectively. The viewing angle control panel (2) is arranged such that Re1 in a white display portion in the wide viewing angle mode is nλ/2 (n is an integer of 1 or more), Re2 in a white display portion in the narrow viewing angle mode is nλ/2 (n is an integer of 1 or more), and Re3 in a black display portion in the narrow viewing angle mode is nλ (n is an integer of 1 or more).
摘要翻译: 本发明的液晶显示装置(10)包括用于切换显示液晶面板(1)的视野角的背光源(3),显示液晶面板(1)和视野角控制面板(2) 在宽视角模式和窄视角模式之间。 视角控制面板(2)具有依次层叠的控制面板上偏振板(22),液晶单元(21)和控制面板下偏振片(23),相位差板(24,25) 分别设置在偏振板(22,23)和液晶单元(21)之间。 视角控制面板(2)被布置成使得宽视角模式的白色显示部分中的Re1为nλ/ 2(n为1以上的整数),窄视角的白色显示部中的Re2 模式为nλ/ 2(n为1以上的整数),窄视角模式的黑色显示部中的Re3为nλ(n为1以上的整数)。
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