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1. 发明授权

US07978298B2 Liquid crystal display device 有权
标题翻译：液晶显示装置
公开(公告)号：US07978298B2
公开(公告)日：2011-07-12
申请号：US12293895
申请日：2007-02-20
申请人： Masaaki Saitoh , Toshihiro Matsumoto , Tsuyoshi Okazaki , Kazuyoshi Fujioka , Katsuya Ogawa , Tohru Sonoda
发明人： Masaaki Saitoh , Toshihiro Matsumoto , Tsuyoshi Okazaki , Kazuyoshi Fujioka , Katsuya Ogawa , Tohru Sonoda
IPC分类号： G02F1/1339 , G02F1/1335 , G02F1/1337
CPC分类号： G02F1/1337 , G02F1/133707 , G02F2001/133776
摘要： In a liquid crystal display device which presents display by forming liquid crystal domains that take radially-inclined orientation, persisting display unevenness is prevented from occurring when the panel surface is pressed, thus realizing high-quality displaying.A liquid crystal display device according to the present invention includes a first substrate, a second substrate provided so as to oppose the first substrate, and a vertical-alignment type liquid crystal layer provided therebetween. The liquid crystal display device according to the present invention further includes wall-like structures regularly arranged on the liquid crystal layer side of the first substrate, such that, when a predetermined voltage is applied, the liquid crystal layer forms at least one liquid crystal domain that takes a radially-inclined orientation state in a region substantially surrounded by the wall-like structures. The second substrate includes a protrusion projecting toward the liquid crystal layer in a region corresponding to the liquid crystal domain, and the liquid crystal layer contains a chiral agent. The thickness dLC of the liquid crystal layer, the natural chiral pitch p of the liquid crystal layer, and the distance dRW from the center of the protrusion to the wall-like structure satisfy the relationships dRW>p and dLC/p≧0.15.
摘要翻译：在通过形成具有径向倾斜取向的液晶畴呈现显示的液晶显示装置中，当按压面板表面时，防止发生持续的显示不均匀，从而实现高质量的显示。根据本发明的液晶显示装置包括第一基板，与第一基板相对设置的第二基板和设置在其间的垂直取向型液晶层。根据本发明的液晶显示装置还包括规则地布置在第一基板的液晶层侧的壁状结构，使得当施加预定电压时，液晶层形成至少一个液晶畴其在基本上被壁状结构包围的区域中具有径向倾斜的取向状态。第二基板包括在与液晶畴相对应的区域中朝向液晶层突出的突起，并且液晶层含有手性试剂。液晶层的厚度dLC，液晶层的天然手性间距p和从突起中心到壁状结构的距离dRW满足关系dRW> p和dLC /p≥0.15。

2. 发明申请

US20100110352A1 LIQUID CRYSTAL DISPLAY DEVICE 有权
标题翻译：液晶显示装置
公开(公告)号：US20100110352A1
公开(公告)日：2010-05-06
申请号：US12293895
申请日：2007-02-20
申请人： Masaaki Saitoh , Toshihiro Matsumoto , Tsuyoshi Okazaki , Kazuyoshi Fujioka , Katsuya Ogawa , Tohru Sonoda
发明人： Masaaki Saitoh , Toshihiro Matsumoto , Tsuyoshi Okazaki , Kazuyoshi Fujioka , Katsuya Ogawa , Tohru Sonoda
IPC分类号： G02F1/1337 , G02F1/1335
CPC分类号： G02F1/1337 , G02F1/133707 , G02F2001/133776
摘要： In a liquid crystal display device which presents display by forming liquid crystal domains that take radially-inclined orientation, persisting display unevenness is prevented from occurring when the panel surface is pressed, thus realizing high-quality displaying.A liquid crystal display device according to the present invention includes a first substrate, a second substrate provided so as to oppose the first substrate, and a vertical-alignment type liquid crystal layer provided therebetween. The liquid crystal display device according to the present invention further includes wall-like structures regularly arranged on the liquid crystal layer side of the first substrate, such that, when a predetermined voltage is applied, the liquid crystal layer forms at least one liquid crystal domain that takes a radially-inclined orientation state in a region substantia y surrounded by the wall-like structures. The second substrate includes a protrusion projecting toward the liquid crystal layer in a region corresponding to the liquid crystal domain, and the liquid crystal layer contains a chiral agent. The thickness dLC of the liquid crystal layer, the natural chiral pitch p of the liquid crystal layer, and the distance dRW from the center of the protrusion to the wall-like structure satisfy the relationships dRW>p and dLC/p≧0.15.
摘要翻译：在通过形成具有径向倾斜取向的液晶畴呈现显示的液晶显示装置中，当按压面板表面时，防止发生持续的显示不均匀，从而实现高质量的显示。根据本发明的液晶显示装置包括第一基板，与第一基板相对设置的第二基板和设置在其间的垂直取向型液晶层。根据本发明的液晶显示装置还包括规则地布置在第一基板的液晶层侧的壁状结构，使得当施加预定电压时，液晶层形成至少一个液晶畴其在由壁状结构围绕的区域中采取径向倾斜的取向状态。第二基板包括在与液晶畴相对应的区域中朝向液晶层突出的突起，并且液晶层含有手性试剂。液晶层的厚度dLC，液晶层的天然手性间距p和从突起中心到壁状结构的距离dRW满足关系dRW> p和dLC /p≥0.15。

3. 发明授权

US08264438B2 Liquid crystal display device, mobile electronic apparatus, in-vehicle electronic apparatus 有权
标题翻译：液晶显示装置，移动电子装置，车载电子装置
公开(公告)号：US08264438B2
公开(公告)日：2012-09-11
申请号：US12303836
申请日：2007-07-24
申请人： Tomoo Furukawa , Kazuyoshi Fujioka , Katsuya Ogawa , Masaaki Saitoh
发明人： Tomoo Furukawa , Kazuyoshi Fujioka , Katsuya Ogawa , Masaaki Saitoh
IPC分类号： G09G3/36 , G02F1/1335 , C09K19/02
CPC分类号： G02F1/1393 , G02F1/133371 , G02F1/133555 , G02F2001/134345 , G09G3/3648 , G09G2300/0447 , G09G2300/0456 , G09G2320/0252 , G09G2320/0261 , G09G2320/041 , G09G2340/16
摘要： A liquid crystal display device has a vertical alignment type liquid crystal panel. The vertical alignment type liquid crystal panel is provided with an active matrix substrate whereupon a light reflection pixel electrode for reflecting light and a light transmission pixel electrode for transmitting light are provided in each pixel section; a counter electrode substrate; and a liquid crystal layer made of a liquid crystal material having negative dielectric anisotropy. The counter electrode substrate includes a convex section so that the liquid crystal layer in the light reflection section has the thickness thinner than that in the liquid crystal layer of the light transmission section. A liquid crystal panel driving device carries out gray scale transition enhancement processing in which the input gray scale is corrected in accordance with gray scale transition.
摘要翻译：液晶显示装置具有垂直取向型液晶面板。垂直取向型液晶面板设置有有源矩阵基板，其中在每个像素部分中设置有用于反射光的光反射像素电极和用于透射光的透光像素电极; 对电极基板; 以及由具有负介电各向异性的液晶材料制成的液晶层。对电极基板包括凸部，使得光反射部中的液晶层的厚度比透光部的液晶层的厚度薄。液晶面板驱动装置进行灰阶转换增强处理，其中根据灰度转换校正输入灰度级。

4. 发明申请

US20110043438A1 LIQUID CRYSTAL DISPLAY DEVICE 有权
标题翻译：液晶显示装置
公开(公告)号：US20110043438A1
公开(公告)日：2011-02-24
申请号：US12863069
申请日：2008-10-21
申请人： Koki Hongo , Kazuyoshi Fujioka , Katsuya Ogawa , Tomoo Furukawa , Masaaki Saitoh
发明人： Koki Hongo , Kazuyoshi Fujioka , Katsuya Ogawa , Tomoo Furukawa , Masaaki Saitoh
IPC分类号： G09G3/36
CPC分类号： G02F1/133707 , G02F1/136209 , G02F1/1393
摘要： The present invention provides an MVA transmissive or transflective liquid crystal display device with display qualities enhanced along with improvement in contrast.A liquid crystal display device of the present invention including:a pair of substrates; anda liquid crystal layer disposed between the pair of substrates,wherein one of the pair of substrates includes a pixel electrode having a rectangular shape when viewed from a display face side,the other substrate includes a linear-shaped dielectric protrusion overlapping with a corner portion of the pixel electrode when viewed from the display face side, andat least one of the pair of substrates includes a corner light-shielding member overlapping with a region where the linear-shaped dielectric protrusion and the corner portion of the pixel electrode overlap with each other.
摘要翻译：本发明提供了具有增强的显示质量以及对比度改进的MVA透射或半透射型液晶显示装置。本发明的液晶显示装置包括：一对基板; 以及设置在所述一对基板之间的液晶层，其中，所述一对基板中的一个基板包括从显示面侧观察时具有矩形形状的像素电极，所述另一基板包括与角部分重叠的线状介电突起的像素电极，并且所述一对基板中的至少一个包括与所述线状电介质突起和所述像素电极的所述角部与每个所述像素电极重叠的区域重叠的角部遮光部件其他。

5. 发明申请

US20110012885A1 LIQUID CRYSTAL DISPLAY DEVICE 审中-公开
标题翻译：液晶显示装置
公开(公告)号：US20110012885A1
公开(公告)日：2011-01-20
申请号：US12920503
申请日：2009-02-26
申请人： Masaaki Saitoh , Tomoo Furukawa , Kazuyoshi Fujioka , Katsuya Ogawa , Koki Hongo
发明人： Masaaki Saitoh , Tomoo Furukawa , Kazuyoshi Fujioka , Katsuya Ogawa , Koki Hongo
IPC分类号： G09G5/00 , G09G3/36
CPC分类号： G02F1/133707 , G02F1/133371 , G02F1/133555 , G02F2001/133742
摘要： In a transflective type liquid crystal display device of a vertical alignment mode in which liquid crystal domains exhibiting axisymmetric orientations are created, a difference in response speed between a region which presents display in the transmission mode and a region which presents display in the reflection mode is reduced.A liquid crystal display device according to the present invention includes a first substrate and a second substrate and a vertical-alignment type liquid crystal layer interposed therebetween, and has a plurality of pixel regions. The first substrate has a wall-like structure in regular arrangement on the liquid crystal layer side, and the liquid crystal layer forms at least one liquid crystal domain in a region substantially surrounded by the wall-like structure when a predetermined voltage is applied across the liquid crystal layer, the at least one liquid crystal domain exhibiting an axisymmetric orientation. In a region corresponding to the substantial center of the at least one liquid crystal domain, the second substrate includes at least one orientation restriction structure exhibiting an orientation restriction force for placing liquid crystal molecules in an axisymmetric orientation at least under an applied voltage. Each pixel region has first and second transmission regions which present display in a transmission mode and a reflection region which presents display in a reflection mode. The first transmission region is disposed so as to contain the at least one orientation restriction structure, and the second transmission region is disposed along the inner edge of the wall-like structure. The reflection region is disposed between the first transmission region and the second transmission region.
摘要翻译：在产生显示轴对称取向的液晶畴的垂直取向模式的半透射型液晶显示装置中，在透射模式下呈现显示的区域与呈现在反射模式中的区域之间的响应速度差为减少根据本发明的液晶显示装置包括第一基板和第二基板以及插入其间的垂直取向型液晶层，并且具有多个像素区域。第一基板在液晶层侧具有规则排列的壁状结构，并且当在预定电压施加预定电压时，液晶层在基本上被壁状结构包围的区域中形成至少一个液晶畴液晶层，所述至少一个液晶畴呈现轴对称取向。在对应于至少一个液晶畴的实质中心的区域中，第二衬底包括至少一个取向限制结构，其至少在施加的电压下呈现用于将液晶分子置于轴对称取向的取向限制力。每个像素区域具有以透射模式呈现显示的第一和第二透射区域和以反射模式呈现显示的反射区域。第一透射区域设置成容纳至少一个取向限制结构，并且第二透射区域沿着壁状结构的内边缘设置。反射区域设置在第一透射区域和第二透射区域之间。

6. 发明申请

US20110169722A1 LIQUID CRYSTAL DISPLAY DEVICE 审中-公开
标题翻译：液晶显示装置
公开(公告)号：US20110169722A1
公开(公告)日：2011-07-14
申请号：US13120391
申请日：2009-05-26
申请人： Katsuya Ogawa , Masaaki Saitoh , Kazuyoshi Fujioka
发明人： Katsuya Ogawa , Masaaki Saitoh , Kazuyoshi Fujioka
IPC分类号： G09G3/36
CPC分类号： G02F1/133555 , G02F1/133371 , G02F1/133707 , G02F2001/133638 , G02F2413/09
摘要： The present invention provides semi-transmission type liquid crystal display device offering high contrast ratio and aperture ratio for transmissive display and capable of supporting pixels in fine geometry. The liquid crystal display device of the present invention includes a first substrate (10), a liquid crystal layer (100), and a second substrate (60) in this order. The aforementioned first substrate (10) includes a pixel electrode (19) having a trunk portion and a plurality of branch portions branching out of the aforementioned trunk portion, and the display region, which contains the region in which the branch portions and slits are laid out alternately, includes of a reflective region (R) and a transmissive region (D). In the aforementioned reflective region (R), the aforementioned first substrate (10) includes a reflective film (14) beneath the aforementioned pixel electrode (19), and the aforementioned second substrate (60) includes a λ/4 phase difference layer (50) on the side of the aforementioned liquid crystal layer (100).
摘要翻译：本发明提供半透射型液晶显示装置，其提供高对比度和孔径比用于透射显示，并能够支持精细几何形状的像素。本发明的液晶显示装置依次包括第一基板（10），液晶层（100）和第二基板（60）。上述第一基板（10）包括具有主体部分和从上述主体部分分支出的多个分支部分的像素电极（19），以及包含分支部分和狭缝铺设的区域的显示区域交替地包括反射区域（R）和透射区域（D）。在上述反射区域（R）中，上述第一基板（10）在上述像素电极（19）的下方具有反射膜（14），上述第二基板（60）具有λ/ 4相位差层）在上述液晶层（100）侧。

7. 发明申请

US20110141414A1 LIQUID CRYSTAL DISPLAY DEVICE 有权
标题翻译：液晶显示装置
公开(公告)号：US20110141414A1
公开(公告)日：2011-06-16
申请号：US13058513
申请日：2009-05-18
申请人： Tomoo Furukawa , Katsuya Ogawa , Masaaki Saitoh , Kazuyoshi Fujioka
发明人： Tomoo Furukawa , Katsuya Ogawa , Masaaki Saitoh , Kazuyoshi Fujioka
IPC分类号： G02F1/1335
CPC分类号： G02F1/133555 , G02F1/133371 , G02F1/133553 , G02F2001/133565 , G02F2001/133638
摘要： The present invention provides a semi-transmissive liquid crystal display device that presents excellent display quality in the reflective display, and that can be easily applied to high definition. The liquid crystal display device of the present invention includes a first substrate, a liquid crystal layer, and a second substrate, in this order. The first substrate has pixel electrodes having a structure composed of a trunk portion and a plurality of branch portions that branch off from the trunk portion. The liquid crystal display device has a display region that includes a region where the branch portions and slits are alternately disposed. The display region has a reflective region and a transmissive region. The reflective region has a pixel electrode, a reflective film disposed under the pixel electrode, and a λ/4 retarder plate. The first best-fit curve, which is obtained from the gamma curve of the reflective display, is above the second best-fit curve, which is obtained from the gamma curve of the transmissive display, except in the regions where the reflectance of the first best-fit curve and the transmittance of the second best-fit curve are both 0% and 100%. The first best-fit curve does not have a gradation reversal and has an inflection point.
摘要翻译：本发明提供了一种在反射显示器中呈现出优异的显示质量的半透射型液晶显示装置，并且可以容易地应用于高清晰度。本发明的液晶显示装置依次包括第一基板，液晶层和第二基板。第一基板具有由主体部分和从主体部分分支的多个分支部分构成的结构的像素电极。液晶显示装置具有显示区域，该显示区域包括分支部分和狭缝交替设置的区域。显示区域具有反射区域和透射区域。反射区域具有像素电极，设置在像素电极下方的反射膜和λ/ 4延迟板。从反射显示器的伽马曲线获得的第一最佳拟合曲线高于从透射显示器的伽马曲线获得的第二最佳拟合曲线，除了在第一最佳拟合曲线的第一最佳拟合曲线和第二最佳拟合曲线的透射率均为0％和100％。第一个最佳拟合曲线不具有灰度反转并具有拐点。

8. 发明申请

US20100134394A1 LIQUID CRYSTAL DISPLAY DEVICE, MOBILE ELECTRONIC APPARATUS, IN-VEHICLE ELECTRONIC APPARATUS 有权
标题翻译：液晶显示设备，移动电子设备，车载电子设备
公开(公告)号：US20100134394A1
公开(公告)日：2010-06-03
申请号：US12303836
申请日：2007-07-24
申请人： Tomoo Furukawa , Kazuyoshi Fujioka , Katsuya Ogawa , Masaaki Saitoh
发明人： Tomoo Furukawa , Kazuyoshi Fujioka , Katsuya Ogawa , Masaaki Saitoh
IPC分类号： G09G3/36 , G02F1/1335
CPC分类号： G02F1/1393 , G02F1/133371 , G02F1/133555 , G02F2001/134345 , G09G3/3648 , G09G2300/0447 , G09G2300/0456 , G09G2320/0252 , G09G2320/0261 , G09G2320/041 , G09G2340/16
摘要： A liquid crystal display device (1) has a vertical alignment type liquid crystal panel (3). The vertical alignment type liquid crystal panel is provided with an active matrix substrate whereupon a light reflection pixel electrode for reflecting light and a light transmission pixel electrode for transmitting light are provided in each pixel section; a counter electrode substrate; and a liquid crystal layer made of a liquid crystal material having negative dielectric anisotropy. The liquid crystal display device is also provided with a liquid crystal panel driving device (2) which drives the liquid crystal panel in accordance with an input gray scale. The counter electrode substrate includes a convex section in each pixel so that the liquid crystal layer in the light reflection section has the thickness thinner than that in the liquid crystal layer of the light transmission section. The convex section is provided such that the liquid crystal layers of the light reflection section has an aligned state and the liquid crystal layer of the light transmission section has an alignment state. The liquid crystal panel driving device (2) carries out gray scale transition enhancement processing in which the input gray scale is corrected in accordance with gray scale transition. This makes it possible to realize a liquid crystal display device that has high display quality (especially, high display quality of a moving image) and carries out a display in a transmission mode and a reflection mode.
摘要翻译：液晶显示装置（1）具有垂直取向型液晶面板（3）。垂直取向型液晶面板设置有有源矩阵基板，其中在每个像素部分中设置有用于反射光的光反射像素电极和用于透射光的透光像素电极; 对电极基板; 以及由具有负介电各向异性的液晶材料制成的液晶层。液晶显示装置还设置有根据输入灰度驱动液晶面板的液晶面板驱动装置（2）。对电极基板在每个像素中包括凸部，使得光反射部中的液晶层的厚度比透光部的液晶层的厚度薄。凸部被设置为使得光反射部的液晶层具有取向状态，并且透光部的液晶层具有取向状态。液晶面板驱动装置（2）进行灰阶转换增强处理，其中根据灰度转换校正输入灰度级。这使得可以实现具有高显示质量（特别是运动图像的高显示质量）并且以传输模式和反射模式进行显示的液晶显示装置。

9. 发明申请

US20100110318A1 LIQUID CRYSTAL DISPLAY DEVICE 审中-公开
标题翻译：液晶显示装置
公开(公告)号：US20100110318A1
公开(公告)日：2010-05-06
申请号：US12594138
申请日：2007-12-20
申请人： Katsuya Ogawa , Kazuyoshi Fujioka , Tomoo Furukawa , Masaaki Saitoh , Koki Hongo , Akihiro Nanmatsu , Kazuyuki Aburazaki , Takahiro Oka , Takayuki Natsume
发明人： Katsuya Ogawa , Kazuyoshi Fujioka , Tomoo Furukawa , Masaaki Saitoh , Koki Hongo , Akihiro Nanmatsu , Kazuyuki Aburazaki , Takahiro Oka , Takayuki Natsume
IPC分类号： G02F1/1335 , G02F1/133
CPC分类号： G02F1/133555 , G02F1/133371 , G02F1/133707 , G02F1/1393
摘要： The present invention provides a semi-transmissive or reflective liquid crystal display device in which gray scale inversion is suppressed by appropriately adjusting its voltage-reflection luminance characteristics. The liquid crystal display device of the present invention is a liquid crystal display device including: a pair of substrates; and a liquid crystal layer interposed between the pair of substrates, wherein the liquid crystal display device includes a transmission region and a reflection region, the reflection region includes a first section and a second section, a thickness of the liquid crystal layer in the first section is larger than half of but equal to or smaller than a thickness of the liquid crystal layer in the transmission region, and a thickness of the liquid crystal layer in the second section is larger than the thickness of the liquid crystal layer in the transmission region.
摘要翻译：本发明提供了通过适当调整其电压反射亮度特性来抑制灰度反转的半透射或反射型液晶显示装置。本发明的液晶显示装置是一种液晶显示装置，包括：一对基板; 以及插入在所述一对基板之间的液晶层，其中所述液晶显示装置包括透射区域和反射区域，所述反射区域包括第一部分和第二部分，所述第一部分中的液晶层的厚度大于透射区域的液晶层的厚度的一半以下，第二部分中的液晶层的厚度大于透射区域中的液晶层的厚度。

10. 发明授权

US08614777B2 Liquid crystal display device 有权
标题翻译：液晶显示装置
公开(公告)号：US08614777B2
公开(公告)日：2013-12-24
申请号：US13058513
申请日：2009-05-18
申请人： Tomoo Furukawa , Katsuya Ogawa , Masaaki Saitoh , Kazuyoshi Fujioka
发明人： Tomoo Furukawa , Katsuya Ogawa , Masaaki Saitoh , Kazuyoshi Fujioka
IPC分类号： G02F1/1335
CPC分类号： G02F1/133555 , G02F1/133371 , G02F1/133553 , G02F2001/133565 , G02F2001/133638
摘要： The present invention provides a semi-transmissive liquid crystal display device that presents excellent display quality in the reflective display, and that can be easily applied to high definition. The liquid crystal display device of the present invention includes a first substrate, a liquid crystal layer, and a second substrate, in this order. The first substrate has pixel electrodes having a structure composed of a trunk portion and a plurality of branch portions that branch off from the trunk portion. The liquid crystal display device has a display region that includes a region where the branch portions and slits are alternately disposed. The display region has a reflective region and a transmissive region. The reflective region has a pixel electrode, a reflective film disposed under the pixel electrode, and a λ/4 retarder plate. The first best-fit curve, which is obtained from the gamma curve of the reflective display, is above the second best-fit curve, which is obtained from the gamma curve of the transmissive display, except in the regions where the reflectance of the first best-fit curve and the transmittance of the second best-fit curve are both 0% and 100%. The first best-fit curve does not have a gradation reversal and has an inflection point.
摘要翻译：本发明提供了一种在反射显示器中呈现出优异的显示质量的半透射型液晶显示装置，并且可以容易地应用于高清晰度。本发明的液晶显示装置依次包括第一基板，液晶层和第二基板。第一基板具有由主体部分和从主体部分分支的多个分支部分构成的结构的像素电极。液晶显示装置具有显示区域，该显示区域包括分支部分和狭缝交替设置的区域。显示区域具有反射区域和透射区域。反射区域具有像素电极，设置在像素电极下方的反射膜和λ/ 4延迟板。从反射显示器的伽马曲线获得的第一最佳拟合曲线高于从透射显示器的伽马曲线获得的第二最佳拟合曲线，除了在第一最佳拟合曲线的第一最佳拟合曲线和第二最佳拟合曲线的透射率均为0％和100％。第一个最佳拟合曲线不具有灰度反转并具有拐点。

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