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    • 12. 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。
    • 13. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶显示装置
    • US20110128458A1
    • 2011-06-02
    • US12992202
    • 2009-01-30
    • Katsuhiko MorishitaToshihiro MatsumotoTsuyoshi OkazakiHajime Imai
    • Katsuhiko MorishitaToshihiro MatsumotoTsuyoshi OkazakiHajime Imai
    • G02F1/1333
    • G02F1/134363G02F1/1393
    • The present invention provides a TBA-mode liquid crystal display device that is capable of reflective display and transmissive display without using a multigap structure. The liquid crystal display device of the present invention includes a first substrate and a second substrate disposed opposite each other and a liquid crystal layer interposed between the first substrate and the second substrate, and has, in a pixel area, a reflective area where reflective display is performed and a transmissive area where transmissive display is performed. The first substrate has a first electrode and a second electrode disposed parallel to and opposite the first electrode in the pixel area, the liquid crystal layer includes a p-type nematic liquid crystal and is driven by an electric field generated between the first electrode and the second electrode, the p-type nematic liquid crystal is aligned perpendicular to the first substrate and the second substrate when no voltage is applied, a thickness of the liquid crystal layer in the reflective area is substantially equal to a thickness of the liquid crystal layer in the transmissive area, and a distance between the first electrode and the second electrode in the reflective area is different from a distance between the first electrode and the second electrode in the transmissive area.
    • 本发明提供一种TBA模式液晶显示装置,其能够在不使用多光栅结构的情况下进行反射显示和透射显示。 本发明的液晶显示装置具有相互配置的第一基板和第二基板以及介于第一基板与第二基板之间的液晶层,并且在像素区域中具有反射区域 执行透射显示的透射区域。 第一基板具有与像素区域中的第一电极平行且相对设置的第一电极和第二电极,液晶层包括p型向列型液晶,并且由在第一电极和第二电极之间产生的电场驱动 第二电极,当没有施加电压时,p型向列型液晶垂直于第一基板和第二基板排列,反射区域中的液晶层的厚度基本上等于液晶层的厚度 反射区域中的透射区域和第一电极与第二电极之间的距离与透射区域中的第一电极和第二电极之间的距离不同。
    • 14. 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。
    • 15. 发明申请
    • LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY APPARATUS
    • 液晶板和液晶显示设备
    • US20100110355A1
    • 2010-05-06
    • US12524610
    • 2008-01-31
    • Tsuyoshi OkazakiToshihiro MatsumotoMasahiro ShimizuTakashi Katayama
    • Tsuyoshi OkazakiToshihiro MatsumotoMasahiro ShimizuTakashi Katayama
    • G02F1/1337
    • G02F1/1395G02F1/133707G02F1/13394
    • Disclosed is an OCB mode liquid crystal panel (10a) including: an active matrix substrate which includes signal lines including scanning signal lines (16) and data signal lines (15), transistors (12) connected to the respective signal lines, and pixel electrodes (17) provided for respective pixel areas demarcated by the signal lines; a counter substrate; and a liquid crystal layer provided between the active matrix substrate and the counter substrate, the liquid crystal layer being caused to transition from a bend alignment to a splay alignment; the active matrix substrate having a surface on which a step section (7) for suppressing reverse transition from a bend alignment to a splay alignment is provided, the step section being provided so that (i) the step section, (ii) a corresponding gap between two adjacent pixel electrodes (17) and (iii) a corresponding one of the signal lines (15 and 16) overlap each other. According to the above arrangement, it is possible to suppress spreading of a splay alignment due to reverse transition (bend to splay transition) during display, in an OCB mode liquid crystal panel.
    • 公开了一种OCB模式液晶面板(10a),包括:有源矩阵基板,包括包括扫描信号线(16)和数据信号线(15)的信号线,连接到各个信号线的晶体管(12)和像素电极 (17),用于由信号线划分的各个像素区域; 相对基板; 以及设置在有源矩阵基板和对置基板之间的液晶层,使液晶层从弯曲取向转变为喷射取向; 有源矩阵基板具有表面,在该表面上设置有用于抑制从弯曲取向到喷射取向的反向转变的台阶部(7),所述台阶部设置成使得(i)台阶部,(ii)相应的间隙 在两个相邻的像素电极(17)之间和(iii)信号线(15和16)中相应的一个彼此重叠。 根据上述结构,在OCB模式的液晶面板中,可以抑制在显示期间由于反向转变(弯曲到显示转变)而产生的喷射取向的扩展。
    • 16. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶显示装置
    • US20110317118A1
    • 2011-12-29
    • US13122796
    • 2009-06-11
    • Tsuyoshi OkazakiKatsuhiko MorishitaToshihiro Matsumoto
    • Tsuyoshi OkazakiKatsuhiko MorishitaToshihiro Matsumoto
    • G02F1/1343
    • G02F1/1393G02F1/134363
    • The present invention provides a liquid crystal display device which is capable of reducing occurrence of white-floating and/or color tone change. The present invention relates to a liquid crystal display device, comprising: a first substrate and a second substrate disposed opposite to each other; and a liquid crystal layer between the first substrate and the second substrate. The first substrate has a first comb-shaped electrode and a second comb-shaped electrode. The first electrode and the second electrode are planarly disposed opposite to each other in a pixel. The second substrate has a third electrode which is partially disposed in the pixel and is configured to be supplied with a predetermined electric potential. The liquid crystal layer includes a p-nematic liquid crystal which is configured to be aligned perpendicularly to substrate surfaces of the first substrate and the second substrate when no voltage is applied. In the plan view of the first substrate and the second substrate, the liquid crystal display device has a first gap and a second gap between the first electrode and the second electrode; further, the first gap is covered with the third electrode and the second gap is not covered with the third electrode.
    • 本发明提供一种能够减少白色浮动和/或色调变化的发生的液晶显示装置。 液晶显示装置技术领域本发明涉及一种液晶显示装置,包括:第一基板和彼此相对设置的第二基板; 以及在第一基板和第二基板之间的液晶层。 第一基板具有第一梳状电极和第二梳状电极。 第一电极和第二电极在像素中彼此相对地平面地布置。 第二基板具有部分地设置在像素中并被配置为被提供预定电位的第三电极。 液晶层包括在没有施加电压的情况下被配置成垂直于第一基板和第二基板的基板表面取向的p向列型液晶。 在第一基板和第二基板的平面图中,液晶显示装置在第一电极和第二电极之间具有第一间隙和第二间隙; 此外,第一间隙被第三电极覆盖,第二间隙不被第三电极覆盖。
    • 17. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶显示装置
    • US20110199568A1
    • 2011-08-18
    • US13123924
    • 2009-06-22
    • Katsuhiko MorishitaToshihiro MatsumotoTsuyoshi Okazaki
    • Katsuhiko MorishitaToshihiro MatsumotoTsuyoshi Okazaki
    • G02F1/1343
    • G02F1/134363G02F2001/133742G02F2001/13706
    • The present invention provides a liquid crystal display device which can suppress generation of an afterimage. The present invention is a liquid crystal display device, includes: a first substrate and a second substrate which are disposed to face each other; and a liquid crystal layer sandwiched between the first substrate and the second substrate, wherein the first substrate has a comb type first electrode including a first branch portion and a comb type second electrode including a second branch portion, the first electrode and the second electrode are planarly disposed to face each other in a pixel, the liquid crystal layer includes p-type nematic liquid crystals and is driven by an electric field generated between the first electrode and the second electrode, the p-type nematic liquid crystals are aligned perpendicularly to the first substrate and second substrate surfaces when no voltage is applied, the first branch portion and the second branch portion extend diagonally with respect to a boundary line between adjacent pixels, and a distance between the first electrode and the second electrode is substantially uniform in an area surrounding an end of the first branch portion.
    • 本发明提供一种可以抑制残像的产生的液晶显示装置。 本发明是一种液晶显示装置,包括:第一基板和第二基板,被配置为彼此相对; 以及夹在第一基板和第二基板之间的液晶层,其中第一基板具有包括第一分支部分和包括第二分支部分的梳状第二电极的梳状第一电极,第一电极和第二电极是 在像素中平面地配置为彼此面对,液晶层包括p型向列型液晶,并且由在第一电极和第二电极之间产生的电场驱动,p型向列型液晶垂直于 第一基板和第二基板表面,当没有施加电压时,第一分支部分和第二分支部分相对于相邻像素之间的边界线对角地延伸,并且第一电极和第二电极之间的距离在区域 围绕第一分支部分的一端。
    • 19. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US08421975B2
    • 2013-04-16
    • US13123924
    • 2009-06-22
    • Katsuhiko MorishitaToshihiro MatsumotoTsuyoshi Okazaki
    • Katsuhiko MorishitaToshihiro MatsumotoTsuyoshi Okazaki
    • G02F1/1333
    • G02F1/134363G02F2001/133742G02F2001/13706
    • The present invention provides a liquid crystal display device which can suppress generation of an afterimage. The present invention is a liquid crystal display device, includes: a first substrate and a second substrate which are disposed to face each other; and a liquid crystal layer sandwiched between the first substrate and the second substrate, wherein the first substrate has a comb type first electrode including a first branch portion and a comb type second electrode including a second branch portion, the first electrode and the second electrode are planarly disposed to face each other in a pixel, the liquid crystal layer includes p-type nematic liquid crystals and is driven by an electric field generated between the first electrode and the second electrode, the p-type nematic liquid crystals are aligned perpendicularly to the first substrate and second substrate surfaces when no voltage is applied, the first branch portion and the second branch portion extend diagonally with respect to a boundary line between adjacent pixels, and a distance between the first electrode and the second electrode is substantially uniform in an area surrounding an end of the first branch portion.
    • 本发明提供一种可以抑制残像的产生的液晶显示装置。 本发明是一种液晶显示装置,包括:第一基板和第二基板,被配置为彼此相对; 以及夹在第一基板和第二基板之间的液晶层,其中第一基板具有包括第一分支部分和包括第二分支部分的梳状第二电极的梳状第一电极,第一电极和第二电极是 在像素中平面地配置为彼此面对,液晶层包括p型向列型液晶,并且由在第一电极和第二电极之间产生的电场驱动,p型向列型液晶垂直于 第一基板和第二基板表面,当没有施加电压时,第一分支部分和第二分支部分相对于相邻像素之间的边界线对角地延伸,并且第一电极和第二电极之间的距离在区域 围绕第一分支部分的一端。