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    • 5. 发明授权
    • Liquid crystal display device and driving method for the same
    • 液晶显示装置及其驱动方法相同
    • US07292301B2
    • 2007-11-06
    • US10898688
    • 2004-07-26
    • Masumi KuboAkihiro YamamotoHiroyuki OhgamiTakashi Ochi
    • Masumi KuboAkihiro YamamotoHiroyuki OhgamiTakashi Ochi
    • G02F1/1337
    • G02F1/133707G02F1/133753G02F1/1393G02F2001/133776
    • An alignment-divided vertical alignment liquid crystal display device permitting high-definition moving image display when OS driving is adopted. The device has a plurality of pixels each having a first electrode, a second electrode facing the first electrode, and a vertical alignment liquid crystal layer placed between the first and second electrodes. The device includes: first alignment regulating structure having a first width W1 placed in the first electrode side of the liquid crystal layer; second alignment regulating structure having a second width placed in the second electrode side of the liquid crystal layer; and a liquid crystal region having a third width defined between the first and second alignment regulating structures. The third width W3 is in a range between 2 μm and 14 μm in certain embodiments.
    • 采用OS驱动时,能够进行高画质动画显示的对准分割垂直取向液晶显示装置。 该装置具有多个像素,每个像素具有第一电极,面对第一电极的第二电极和放置在第一和第二电极之间的垂直取向液晶层。 该装置包括:第一对准调节结构,其具有放置在液晶层的第一电极侧的第一宽度W 1; 第二对准调节结构,具有放置在液晶层的第二电极侧的第二宽度; 以及限定在所述第一和第二对准调节结构之间的具有第三宽度的液晶区域。 在某些实施例中,第三宽度W 3在2μm和14μm之间的范围内。
    • 7. 发明申请
    • Liquid crystal display device
    • 液晶显示装置
    • US20050052601A1
    • 2005-03-10
    • US10934412
    • 2004-09-07
    • Masumi KuboAkihiro YamamotoHiroyuki OhgamiTakashi Ochi
    • Masumi KuboAkihiro YamamotoHiroyuki OhgamiTakashi Ochi
    • G02F1/1337G02F1/1333G02F1/1335G02F1/1343G02F1/139
    • G02F1/133707G02F1/1393
    • An alignment-divided vertical alignment liquid crystal display device permitting improvement in response characteristic while suppressing reduction in contrast ratio is provided. The device has a plurality of pixels each having a first electrode, a second electrode facing the first electrode, and a vertical alignment liquid crystal layer placed between the first and second electrodes. Ribs are placed in a surface portion of the liquid crystal layer close to the first electrode and/or a surface portion thereof close to the second electrode. The ribs have slope side faces put in contact with the liquid crystal layer, and satisfy the relationships RL/PS≧0.05 (μm−1) and RS/PS≦0.05 where RS is the product (RL·RH) of the total length RL of the side faces in a pixel as viewed from the normal to the liquid crystal layer and the height RH of the ribs, and PS is the pixel area.
    • 提供了一种能够抑制对比度降低的响应特性提高的对准分割垂直取向液晶显示装置。 该装置具有多个像素,每个像素具有第一电极,面对第一电极的第二电极和放置在第一和第二电极之间的垂直取向液晶层。 肋位于靠近第一电极的液晶层的表面部分和/或靠近第二电极的表面部分。 肋具有与液晶层接触的斜面侧面,并且满足RL / PS> = 0.05(mum -1)和RS / PS <= 0.05的关系,其中RS是乘积(RL.RH) 从液晶层的法线观察的像素中的侧面的总长度RL和肋的高度RH,PS是像素面积。
    • 8. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US07064801B2
    • 2006-06-20
    • US10934412
    • 2004-09-07
    • Masumi KuboAkihiro YamamotoHiroyuki OhgamiTakashi Ochi
    • Masumi KuboAkihiro YamamotoHiroyuki OhgamiTakashi Ochi
    • G02F1/1337
    • G02F1/133707G02F1/1393
    • An alignment-divided vertical alignment liquid crystal display device permitting improvement in response characteristic while suppressing reduction in contrast ratio is provided. The device has a plurality of pixels each having a first electrode, a second electrode facing the first electrode, and a vertical alignment liquid crystal layer placed between the first and second electrodes. Ribs are placed in a surface portion of the liquid crystal layer close to the first electrode and/or a surface portion thereof close to the second electrode. The ribs have slope side faces put in contact with the liquid crystal layer, and satisfy the relationships RL/PS≧0.05 (μm−1) and RS/PS≦0.05 where RS is the product (RL·RH) of the total length RL of the side faces in a pixel as viewed from the normal to the liquid crystal layer and the height RH of the ribs, and PS is the pixel area.
    • 提供了一种能够抑制对比度降低的响应特性的对准分割垂直取向液晶显示装置。 该装置具有多个像素,每个像素具有第一电极,面对第一电极的第二电极和放置在第一和第二电极之间的垂直取向液晶层。 肋位于靠近第一电极的液晶层的表面部分和/或靠近第二电极的表面部分。 肋具有与液晶层接触的倾斜侧面,并且满足RL / PS> = 0.05(mum -1)和RS / PS <= 0.05的关系,其中RS是乘积( RL.RH)是从液晶层的法线观察的像素中的侧面的总长度RL和肋的高度RH,PS是像素区域。
    • 10. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US08330906B2
    • 2012-12-11
    • US12989570
    • 2009-03-30
    • Yoshito HashimotoHiroyuki OhgamiMasayuki SogaMasakazu ShibasakiMasumi Kubo
    • Yoshito HashimotoHiroyuki OhgamiMasayuki SogaMasakazu ShibasakiMasumi Kubo
    • G02F1/1333G02F1/1337
    • G02F1/136209G02F1/133512G02F1/133753G02F1/1393
    • The present invention provides a multi-domain type liquid crystal display device with a vertical alignment liquid crystal layer that can get a display operation done without making the viewer sense any unnaturalness and with the decrease in optical transmittance minimized. In the liquid crystal display device of this invention, the liquid crystal layer of each pixel has liquid crystal regions in which liquid crystal molecules tilt in multiple different directions when a voltage is applied between first and second electrodes. Each pixel has an opaque portion arranged on a boundary between the liquid crystal regions. The opaque portion is provided for at least one of the substrates so that when a voltage is applied between the first and second electrodes, the liquid crystal molecules neighboring the boundary will tilt while turning one of their end portions, which is closer to the substrate with the opaque portion, away from the boundary. The opaque portion includes a first shielding layer and a second shielding layer, which overlaps with the first shielding layer with a predetermined gap left between them.
    • 本发明提供一种具有垂直取向液晶层的多畴型液晶显示装置,其可以在不使观察者感觉到任何不自然的情况下进行显示操作,并且光透过率的降低最小化。 在本发明的液晶显示装置中,当在第一和第二电极之间施加电压时,每个像素的液晶层具有液晶分子在多个不同方向上倾斜的液晶区域。 每个像素具有布置在液晶区域之间的边界上的不透明部分。 对于至少一个基板设置不透明部分,使得当在第一和第二电极之间施加电压时,与边界相邻的液晶分子将在其更接近基板的端部之一的同时转动, 不透明部分,远离边界。 不透明部分包括与第一屏蔽层重叠的第一屏蔽层和第二屏蔽层,它们之间留有预定的间隙。