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。

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。

公开(公告)号：US20100253891A1

公开(公告)日：2010-10-07

申请号：US12746017

申请日：2008-08-01

申请人： Kazuyoshi Fujioka ,  Katsuya Ogawa ,  Koki Hongo

发明人： Kazuyoshi Fujioka ,  Katsuya Ogawa ,  Koki Hongo

IPC分类号： G02F1/1335

CPC分类号： G02F1/133555 ,  G02F1/133553 ,  G02F1/133707 ,  G02F2001/133565 ,  G02F2001/133638 ,  G02F2413/09

摘要： The present invention provides a LCD device providing wide viewing angle display and having an improved transmittance and contrast ratio. The present invention is a liquid crystal display device including: a first substrate; a liquid crystal layer; and a second substrate in this order toward a display face, wherein each of the first and second substrates includes a polarizer and a transparent electrode, the first substrate includes a reflector, the liquid crystal layer contains a liquid crystal material with negative dielectric anisotropy, at least one of the first and second substrates includes a λ/4 retarder including a dielectric material, the λ/4 retarder is arranged to overlap with the reflector when viewed from the display face, and the λ/4 retarder is arranged on a liquid crystal side of the transparent electrode.

摘要翻译： 本发明提供一种提供宽视角显示并具有改善的透射率和对比度的LCD装置。 本发明是一种液晶显示装置，包括：第一基板; 液晶层; 和第二基板，朝向显示面依次形成，其中，所述第一基板和所述第二基板中的每一个包括偏振片和透明电极，所述第一基板包括反射器，所述液晶层包含具有负介电各向异性的液晶材料， 第一和第二基板中的至少一个包括包括电介质材料的λ/ 4延迟器，当从显示面观察时，λ/ 4延迟器布置成与反射器重叠，并且λ/ 4延迟器布置在液晶 侧透明电极。

公开(公告)号：US20100231567A1

公开(公告)日：2010-09-16

申请号：US12599848

申请日：2008-02-13

申请人： Kazuyoshi Fujioka ,  Koki Hongo ,  Tomoo Furukawa ,  Katsuya Ogawa

发明人： Kazuyoshi Fujioka ,  Koki Hongo ,  Tomoo Furukawa ,  Katsuya Ogawa

IPC分类号： G09G3/36 ,  G09G5/00

CPC分类号： G02F1/133371 ,  G02F1/133555 ,  G02F1/133707 ,  G02F1/1393 ,  G02F2001/133776 ,  G02F2202/42

摘要： A liquid crystal display of a CPA mode includes: an active matrix substrate (20) including a plurality of pixel electrodes (23); a counter substrate (30) provided so as to face the active matrix substrate (20), the counter substrate (30) including a common electrode (33); a liquid crystal layer (40) held between the active matrix substrate (20) and the counter substrate (30); and a plurality of pixels (10), the plurality of pixel electrodes (23) being provided at a constant gap from the common electrode (33), the plurality of pixels (10) each having a reflective display region (R) and a transmissive display region (T), the reflective display region (R) for performing display of a transmissive mode, the reflective display region (R) including an alignment control section (4) which makes a thickness (d2) of part of the liquid crystal layer (40) in the reflective display region (R) smaller than a thickness (d1) of the liquid crystal layer (40) in the transmissive display region (T) and which controls alignment direction of liquid crystal molecules in the liquid crystal layer (40). With the configuration, it is possible to prevent deterioration in display quality in the transmissive mode and the reflective mode as well as to substantially equalize response speed in these modes, in the liquid crystal display of the CPA mode including the transmissive display region and the reflective display region.

摘要翻译： CPA模式的液晶显示器包括：包括多个像素电极（23）的有源矩阵基板（20）; 设置为与所述有源矩阵基板（20）相对设置的对置基板（30），所述对置基板（30）包括公共电极（33）; 保持在有源矩阵基板（20）和对置基板（30）之间的液晶层（40）; 和多个像素（10），所述多个像素电极（23）以与所述公共电极（33）恒定的间隔设置，所述多个像素（10）各自具有反射显示区域（R）和透射 显示区域（T），用于执行透射模式显示的反射显示区域（R），反射显示区域（R）包括取向控制部分（4），该对准控制部分形成液晶层的一部分的厚度（d2） （40）在反射显示区域（R）中比透射显示区域（T）中的液晶层（40）的厚度（d1）小，并且控制液晶层（40）中的液晶分子的取向方向 ）。 通过该结构，在包括透射显示区域和反射型CPA模式的CPA模式的液晶显示器中，可以防止透射模式和反射模式下的显示质量的劣化以及这些模式中的响应速度的大致均衡 显示区域。

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。

公开(公告)号：US08305533B2

公开(公告)日：2012-11-06

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： G02F1/1337

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; and a 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, and at 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。

公开(公告)号：US08139186B2

公开(公告)日：2012-03-20

申请号：US12746017

申请日：2008-08-01

申请人： Kazuyoshi Fujioka ,  Katsuya Ogawa ,  Koki Hongo

发明人： Kazuyoshi Fujioka ,  Katsuya Ogawa ,  Koki Hongo

IPC分类号： G02F1/1335

CPC分类号： G02F1/133555 ,  G02F1/133553 ,  G02F1/133707 ,  G02F2001/133565 ,  G02F2001/133638 ,  G02F2413/09

摘要： The present invention provides a LCD device providing wide viewing angle display and having an improved transmittance and contrast ratio. The present invention is a liquid crystal display device including: a first substrate; a liquid crystal layer; and a second substrate in this order toward a display face, wherein each of the first and second substrates includes a polarizer and a transparent electrode, the first substrate includes a reflector, the liquid crystal layer contains a liquid crystal material with negative dielectric anisotropy, at least one of the first and second substrates includes a λ/4 retarder including a dielectric material, the λ/4 retarder is arranged to overlap with the reflector when viewed from the display face, and the λ/4 retarder is arranged on a liquid crystal side of the transparent electrode.

摘要翻译： 本发明提供一种提供宽视角显示并具有改善的透射率和对比度的LCD装置。 本发明是一种液晶显示装置，包括：第一基板; 液晶层; 以及第二基板，朝向显示面依次形成，其中，所述第一基板和所述第二基板中的每一个包括偏振片和透明电极，所述第一基板包括反射体，所述液晶层包含具有负的介电各向异性的液晶材料， 第一和第二基板中的至少一个包括包括电介质材料的λ/ 4延迟器，当从显示面观察时，λ/ 4延迟器布置成与反射器重叠，并且λ/ 4延迟器布置在液晶 侧透明电极。

公开(公告)号：US20100265441A1

公开(公告)日：2010-10-21

申请号：US12808606

申请日：2008-08-27

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： G02F1/1335

CPC分类号： G02F1/133555 ,  G02F1/133553 ,  G02F1/133707

摘要： The present invention provides a transmissive or transflective liquid crystal display device in which interference fringes due to reflective light is suppressed and display qualities are improved.A liquid crystal display device of the present invention include: a first substrate; a liquid crystal layer; and a second substrate, formed in this order toward a display surface, wherein at least one of the first and second substrates includes a dielectric protrusion protruded toward the liquid crystal layer, the first substrate includes a reflective film being regularly arranged and overlapping with the dielectric protrusion as viewed in plan, and the reflective film includes a plurality of convex portions protruded toward the display surface.

摘要翻译： 本发明提供一种透射或半透射型液晶显示装置，其中由于反射光而产生的干涉条纹被抑制并且显示质量得到改善。 本发明的液晶显示装置包括：第一基板; 液晶层; 以及朝向显示面依次形成的第二基板，其中，所述第一基板和所述第二基板中的至少一个基板包括朝向所述液晶层突出的电介质突起，所述第一基板包括规则地布置并与所述电介质重叠的反射膜 突起，反射膜包括朝显示面突出的多个凸部。

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。

公开(公告)号：US08228468B2

公开(公告)日：2012-07-24

申请号：US12593799

申请日：2008-03-03

申请人： Tomoo Furukawa ,  Kazuyoshi Fujioka ,  Katsuya Ogawa

发明人： Tomoo Furukawa ,  Kazuyoshi Fujioka ,  Katsuya Ogawa

IPC分类号： G02F1/1335

CPC分类号： G02F1/133555 ,  G02F1/133371 ,  G02F1/133707 ,  G02F2203/09

摘要： With the present invention, a fitting curve (f1) of the gamma curve (e1) arranged to be above a fitting curve of the gamma curve (e2), except in a region where the fitting curve (f1) shows a reflectivity of 0 and the fitting curve of the gamma curve (e2) shows a transmissivity of 0, and a gamma curve (e1) of reflective display and a gamma curve (e2) of transmissive display are obtained from measurement. Further, the fitting curve (f1) includes no gray scale inversion but at least one point of inflection (P1) where a sign of a differential coefficient is switched over. Thereby, it becomes possible to realize a liquid crystal display panel and a liquid crystal display device, for displaying images in a transmissive mode and a reflective mode, each of the liquid crystal display panel and the liquid crystal display device easily having an improvement in display quality of reflective display.

摘要翻译： 根据本发明，除了拟合曲线（f1）表示反射率为0的区域以外，配置为高于伽马曲线（e2）的拟合曲线的伽马曲线（e1）的拟合曲线（f1） 伽马曲线（e2）的拟合曲线示出了0的透射率，并且从测量获得反射显示的伽马曲线（e1）和透射显示的伽马曲线（e2）。 此外，拟合曲线（f1）不包括灰度级反转，而是转换微分系数的符号的至少一个拐点（P1）。 由此，可以实现用于以透射模式和反射模式显示图像的液晶显示面板和液晶显示装置，液晶显示面板和液晶显示装置中的每一个容易地具有改善显示 反光显示质量。