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    • 2. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶显示装置
    • US20110012885A1
    • 2011-01-20
    • US12920503
    • 2009-02-26
    • Masaaki SaitohTomoo FurukawaKazuyoshi FujiokaKatsuya OgawaKoki Hongo
    • Masaaki SaitohTomoo FurukawaKazuyoshi FujiokaKatsuya OgawaKoki Hongo
    • G09G5/00G09G3/36
    • G02F1/133707G02F1/133371G02F1/133555G02F2001/133742
    • 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.
    • 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。
    • 4. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶显示装置
    • US20110043438A1
    • 2011-02-24
    • US12863069
    • 2008-10-21
    • Koki HongoKazuyoshi FujiokaKatsuya OgawaTomoo FurukawaMasaaki Saitoh
    • Koki HongoKazuyoshi FujiokaKatsuya OgawaTomoo FurukawaMasaaki Saitoh
    • G09G3/36
    • G02F1/133707G02F1/136209G02F1/1393
    • 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.
    • 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. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US08698986B2
    • 2014-04-15
    • US13255317
    • 2009-10-27
    • Katsuya OgawaKazuyoshi FujiokaTomoo FurukawaMasaaki Saitoh
    • Katsuya OgawaKazuyoshi FujiokaTomoo FurukawaMasaaki Saitoh
    • G02F1/1335G02F1/1337
    • G02F1/133555G02F1/133371G02F1/133723G02F2001/13373G02F2001/133742
    • The present invention provides a liquid crystal display device capable of suppressing alignment disorder of liquid crystal and having satisfactory VR characteristics. According to the present invention, a liquid crystal display device includes a pair of substrates and a liquid crystal layer interposed between the pair of substrates, the liquid crystal display device having a reflective region and a transmissive region. One of the pair of substrates includes a longitudinal projecting portion and a liquid-crystal-layer-thickness adjusting portion for setting a liquid crystal layer thickness in the reflective region to be smaller than a liquid crystal layer thickness in the transmissive region. At least a part of the projecting portion is arranged without a gap along at least a part of a step portion of the liquid-crystal-layer-thickness adjusting portion.
    • 本发明提供一种液晶显示装置,其能够抑制液晶的取向紊乱,并具有令人满意的VR特性。 根据本发明,液晶显示装置包括一对基板和插入在该对基板之间的液晶层,液晶显示装置具有反射区域和透射区域。 一对基板中的一个包括纵向突出部分和用于将反射区域中的液晶层厚度设置为小于透射区域中的液晶层厚度的液晶层厚度调节部分。 突出部的至少一部分沿着液晶层厚度调整部的台阶部的至少一部分没有间隙地配置。
    • 6. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US08319921B2
    • 2012-11-27
    • US12935127
    • 2009-02-19
    • Masaaki SaitohKazuyoshi FujiokaKatsuya Ogawa
    • Masaaki SaitohKazuyoshi FujiokaKatsuya Ogawa
    • G02F1/1335G02F1/1337
    • G02F1/133555
    • The present invention provides a transflective liquid crystal display device having a high aperture ratio. The present invention is a liquid crystal display device, comprising: a first substrate; a liquid crystal layer; and a second substrate in this order, wherein the first substrate includes a pixel electrode having a trunk portion, a plurality of branch portions branched from the trunk portion, and slits, the liquid crystal display device comprises a display region including a region where the branch portions and the slits are alternately arranged, the display region includes a reflection region and a transmission region, and in the reflection region, the pixel electrode, a reflective film disposed under the pixel electrode, and a λ/4 retarder are arranged.
    • 本发明提供一种具有高开口率的半透射型液晶显示装置。 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,其中所述第一基板包括具有主体部分的像素电极,从所述主体部分分支的多个分支部分和狭缝,所述液晶显示装置包括显示区域,所述显示区域包括所述分支 部分和狭缝交替布置,显示区域包括反射区域和透射区域,并且在反射区域中布置像素电极,设置在像素电极下方的反射膜和λ/ 4延迟器。
    • 7. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US07978298B2
    • 2011-07-12
    • US12293895
    • 2007-02-20
    • Masaaki SaitohToshihiro MatsumotoTsuyoshi OkazakiKazuyoshi FujiokaKatsuya OgawaTohru Sonoda
    • Masaaki SaitohToshihiro MatsumotoTsuyoshi OkazakiKazuyoshi FujiokaKatsuya OgawaTohru Sonoda
    • G02F1/1339G02F1/1335G02F1/1337
    • G02F1/1337G02F1/133707G02F2001/133776
    • 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.
    • 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。
    • 8. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶显示装置
    • US20100110352A1
    • 2010-05-06
    • US12293895
    • 2007-02-20
    • Masaaki SaitohToshihiro MatsumotoTsuyoshi OkazakiKazuyoshi FujiokaKatsuya OgawaTohru Sonoda
    • Masaaki SaitohToshihiro MatsumotoTsuyoshi OkazakiKazuyoshi FujiokaKatsuya OgawaTohru Sonoda
    • G02F1/1337G02F1/1335
    • G02F1/1337G02F1/133707G02F2001/133776
    • 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.
    • 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。