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    • 5. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶显示装置
    • US20120140153A1
    • 2012-06-07
    • US13379695
    • 2010-06-08
    • Yuki KawashimaYasutoshi Tasaka
    • Yuki KawashimaYasutoshi Tasaka
    • G02F1/1335
    • G02F1/136213G02F1/133707G02F1/133788G02F1/134309G02F2001/133742G02F2001/13712
    • A liquid crystal display device (100) of the present invention includes: an active matrix substrate (1) which includes a pixel electrode (12) provided in each of a plurality of pixels; a counter substrate (2) which has a counter electrode (22) that is arranged so as to oppose the pixel electrode (12); a vertical alignment type liquid crystal layer (3) interposed between the active matrix substrate (1) and the counter substrate (2); and a pair of polarizers (40a, 40b) which are arranged so as to oppose each other via the liquid crystal layer (3) and which are in a crossed Nicols arrangement. The pixel electrode (12) includes a cruciform trunk portion (12a) which is arranged so as to coincide with polarization axes (P1, P2) of the pair of polarizers (40a, 40b), a plurality of branch portions (12b) extending from the trunk portion (12a) in a direction of approximately 45°, and a plurality of slits (12c) provided between the plurality of branch portions (12b). The active matrix substrate (1) further includes an auxiliary electrode (13) which is arranged so as to oppose the pixel electrode (12) via an insulation layer. The auxiliary electrode (13) and the pixel electrode (12) are configured to form a storage capacitor (CS). The auxiliary electrode (13) has a shape which does not substantially overlap the plurality of slits (12c) of the pixel electrode (12) when viewed in a direction normal to a display surface. According to the present invention, the light transmittance of an alignment-divided liquid crystal display device which includes a vertical alignment type liquid crystal layer, and in which pixel electrodes have a comb tooth-like fine electrode configuration, can be improved.
    • 本发明的液晶显示装置(100)包括:有源矩阵基板(1),其包括设置在多个像素中的像素电极(12); 相对基板(2),其具有与所述像素电极(12)相对配置的对置电极(22)。 插入有源矩阵基板(1)和对置基板(2)之间的垂直取向型液晶层(3)。 以及一对偏振器(40a,40b),它们经由液晶层(3)彼此相对布置并且处于正交尼科尔布置。 像素电极(12)包括十字形主干部(12a),其配置成与一对偏振器(40a,40b)的偏振轴(P1,P2)重合,多个分支部(12b)从 躯干部分(12a)在大约45°的方向上,以及设置在多个分支部分(12b)之间的多个狭缝(12c)。 有源矩阵基板(1)还包括辅助电极(13),其经由绝缘层与像素电极(12)相对配置。 辅助电极(13)和像素电极(12)构成为形成存储电容器(CS)。 当从垂直于显示面的方向观察时,辅助电极(13)具有与像素电极(12)的多个狭缝(12c)基本不重合的形状。 根据本发明,可以提高包括垂直取向型液晶层的对准分割液晶显示装置的透光率,并且其中像素电极具有梳齿状细电极构造。
    • 6. 发明授权
    • Liquid crystal display having particular auxiliary electrode
    • 具有特定辅助电极的液晶显示器
    • US08068201B2
    • 2011-11-29
    • US12519447
    • 2007-11-30
    • Yuki KawashimaYasutoshi Tasaka
    • Yuki KawashimaYasutoshi Tasaka
    • G02F1/1337G02F1/1343G02F1/141
    • G02F1/1393G02F1/133707G02F1/134309
    • A vertical orientation liquid crystal display in which orientation control by oblique electric field is performed stably and lowering in light transmission rate of the liquid crystal display is suppressed without increasing the number of manufacturing steps significantly. In the vertical orientation liquid crystal display, a plurality of regions having different inclination orientations of liquid crystal molecule are formed by applying a voltage to each pixel electrode having an aperture or a recessed portion. The liquid crystal display comprises a switching element connected electrically with the pixel electrode, and an auxiliary electrode formed to overlap the aperture or the recessed portion in the pixel electrode wherein the auxiliary electrode is formed of the same film as that of the semiconductor layer in the switching element.
    • 通过稳定地进行倾斜电场的取向控制和液晶显示器的透光率的降低的垂直取向液晶显示器被抑制,而不显着增加制造步骤的数量。 在垂直取向液晶显示器中,通过向具有孔或凹部的每个像素电极施加电压来形成具有不同倾斜取向的多个区域。 液晶显示器包括与像素电极电连接的开关元件和形成为与像素电极中的孔或凹部重叠的辅助电极,其中辅助电极由与半导体层中的半导体层相同的膜形成 开关元件
    • 7. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶显示装置
    • US20130027650A1
    • 2013-01-31
    • US13639245
    • 2011-03-16
    • Yuki KawashimaKeisuke YoshidaYasutoshi TasakaRyohji YayotaniYoshimizu MoriyaKeiichi Ina
    • Yuki KawashimaKeisuke YoshidaYasutoshi TasakaRyohji YayotaniYoshimizu MoriyaKeiichi Ina
    • G02F1/1343
    • G02F1/133555G02F1/134309G02F1/134336
    • Disclosed is a liquid crystal display device 20 including a display region 11a and a display region 11b. The display region 11a includes pixels 10a provided with, as pixel electrodes, transflective electrodes 15, each including a transmissive electrode 15a that carries out transmissive display, and a reflective electrode 15b that carries out reflective display. The display region 11b includes pixels 10b provided with, as pixel electrodes, transmissive electrodes 16 that carry out transmissive display. The direction in which the long side of the transmissive electrode 15a of the pixel 10a extends is positioned in the same direction in which the long side of the transmissive electrode 16 of the pixel 10b extends. By aligning the long side direction of the transmissive electrode 15a with the long side direction of the transmissive electrode 16, the direction of change in chromaticity in the display region 11a and the direction of change in chromaticity in the display region 11b become the same.
    • 公开了包括显示区域11a和显示区域11b的液晶显示装置20。 显示区域11a包括设置有作为像素电极的半透反射电极15的像素10a,每个透反射电极15包括进行透射显示的透射电极15a和进行反射显示的反射电极15b。 显示区域11b包括具有作为像素电极的透光电极16的像素10b,透射电极16进行透射显示。 像素10a的透射电极15a的长边延伸的方向位于像素10b的透射电极16的长边延伸的相同方向。 通过使透射电极15a的长边方向与透射电极16的长边方向对准,显示区域11a的色度变化方向和显示区域11b的色度变化方向变得相同。
    • 8. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶显示装置
    • US20130021564A1
    • 2013-01-24
    • US13637315
    • 2010-11-24
    • Yasutoshi TasakaKeisuke YoshidaYuki KawashimaKaori SaitohMutsumi Nakajima
    • Yasutoshi TasakaKeisuke YoshidaYuki KawashimaKaori SaitohMutsumi Nakajima
    • G02F1/1335
    • G02F1/1393G02F1/133707G02F1/134309
    • A pixel electrode (1) has a frame portion (6) along the entire inner circumference of a pixel (10). The frame portion (6) is provided with a plurality of fine electrodes (7a to 7d) each disposed to form an angle of 45 degrees to the polarization axis of a linear polarizing plate. The pixel electrode (1) has a slit (8) formed in a portion other than the frame portion (6) and the fine electrodes (7a to 7d), i.e., the center portion. When the pixel electrode (1) is applied with a voltage, liquid crystal molecules (4) are oriented in four different directions along the fine electrodes (7a to 7d). Furthermore, by the effects from the frame portion (6) along the entire inner circumference of the pixel (10), the liquid crystal molecules (4) are tilted from the center of the pixel electrode (1) toward the outer circumference of an opposite electrode. That is, the liquid crystal molecules (4) are oriented in the four different directions while tilting from the center of the pixel electrode (1) toward the outer circumference of the opposite electrode.
    • 像素电极(1)具有沿像素(10)的整个内周的框架部分(6)。 框架部分(6)设置有多个精细电极(7a至7d),每个精细电极设置成与线性偏振片的偏振轴成45度的角度。 像素电极(1)具有形成在除了框架部分(6)和微细电极(7a至7d)之外的部分(即中心部分)中的狭缝(8)。 当像素电极(1)施加电压时,液晶分子(4)沿着细电极(7a至7d)沿四个不同的方向取向。 此外,通过框架部分(6)沿着像素(10)的整个内圆周的影响,液晶分子(4)从像素电极(1)的中心向相反的外周倾斜 电极。 也就是说,液晶分子(4)在从像素电极(1)的中心朝向相对电极的外周倾斜的同时朝向四个不同的方向。
    • 9. 发明申请
    • DISPLAY DEVICE
    • 显示设备
    • US20090066896A1
    • 2009-03-12
    • US12280103
    • 2006-11-20
    • Yuki KawashimaHisashi Nagata
    • Yuki KawashimaHisashi Nagata
    • G02F1/1343G02F1/1335
    • G02F1/133371G02F1/133555G02F1/133707G02F1/134363G02F2201/124
    • A display device according to the present invention contains a transparent display unit (18) and a reflective display unit (19) in one pixel. The reflective display unit (19) is provided with an insulating layer (8) constituting a multi-gap layer, and a pixel electrode (16) and a common electrode (17) set closer to a display surface than a reflective film (7) at least through the insulating layer. The reflective film (7) is provided on the same plane as the insulating layer (8) in the lower substrate (10) and covered with the insulating layer (8), or provided in a lower layer than the insulating layer (8) in the lower substrate (10) and overlapped with the insulating layer (8).
    • 根据本发明的显示装置在一个像素中包含透明显示单元(18)和反射显示单元(19)。 反射显示单元(19)设置有构成多间隙层的绝缘层(8),以及比反射膜(7)更靠近显示面设置的像素电极(16)和公共电极(17) 至少通过绝缘层。 反射膜(7)设置在与下基板(10)中的绝缘层(8)相同的平面上并被绝缘层(8)覆盖,或者设置在比绝缘层(8)的下层 下基板(10)并与绝缘层(8)重叠。
    • 10. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US08711295B2
    • 2014-04-29
    • US13379695
    • 2010-06-08
    • Yuki KawashimaYasutoshi Tasaka
    • Yuki KawashimaYasutoshi Tasaka
    • G02F1/1343
    • G02F1/136213G02F1/133707G02F1/133788G02F1/134309G02F2001/133742G02F2001/13712
    • A liquid crystal display device includes: an active matrix substrate with a pixel electrode in each of a plurality of pixels; a counter substrate including a counter electrode that opposes the pixel electrode; a liquid crystal layer between the active matrix substrate and the counter substrate; and a pair of polarizers oppose each other via the liquid crystal layer and are in a crossed Nicols arrangement. The pixel electrode- includes a cruciform trunk portion arranged to coincide with polarization axes of the polarizers, a plurality of branch portions extending from the trunk portion, and a plurality of slits between the branch portions. The active matrix substrate further includes an auxiliary electrode which is arranged to oppose the pixel electrode via an insulation layer. The auxiliary electrode and the pixel electrode define a storage capacitor.
    • 液晶显示装置包括:在多个像素中的每一个中具有像素电极的有源矩阵基板; 相对基板,包括与所述像素电极相对的对置电极; 在有源矩阵基板和对置基板之间的液晶层; 并且一对偏振器通过液晶层彼此相对并且处于正交尼科尔布置。 像素电极 - 包括被配置为与偏振器的偏振轴一致的十字形主体部分,从主体部分延伸的多个分支部分和在分支部分之间的多个狭缝。 有源矩阵基板还包括辅助电极,该辅助电极被布置为经由绝缘层与像素电极相对。 辅助电极和像素电极定义存储电容器。