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    • 5. 发明申请
    • VIDEO DISPLAY APPARATUS
    • 视频显示设备
    • US20110157325A1
    • 2011-06-30
    • US12975889
    • 2010-12-22
    • Kei Tanaka
    • Kei Tanaka
    • H04N13/04G06K9/00
    • H04N13/398H04N13/341H04N13/366
    • According to one embodiment, a video display apparatus includes a display device, a camera, a detection module, a determination module, and a message display module. The camera is configured to capture an image in front of the display device. The detection module is configured to detect a position of glasses in the image. The determination module is configured to determine a relative relationship between the position detected by the detection module and a predetermined reference position. The message display module is configured to display a message corresponding to the relative relationship on the display device.
    • 根据一个实施例,视频显示装置包括显示装置,相机,检测模块,确定模块和消息显示模块。 相机配置为捕获显示设备前面的图像。 检测模块被配置为检测图像中的眼镜的位置。 确定模块被配置为确定由检测模块检测的位置与预定的参考位置之间的相对关系。 消息显示模块被配置为显示对应于显示设备上的相对关系的消息。
    • 7. 发明申请
    • OPTICAL FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY DEVICE
    • 光学薄膜,偏光板和液晶显示装置
    • US20090191362A1
    • 2009-07-30
    • US12065432
    • 2006-08-29
    • Kei TanakaTakuhiro UshinoMasayuki Sekiguchi
    • Kei TanakaTakuhiro UshinoMasayuki Sekiguchi
    • C09K19/00C08F4/12B32B27/00
    • G02B5/3083C09D5/00G02F1/133634G02F2001/133637G02F2413/13G02F2413/14Y10T428/10Y10T428/1041Y10T428/26
    • An optical film has a film a formed of a cyclic olefin resin, and a homeotropically orientated optical anisotropic layer b disposed on the film a. This optical film preferably satisfies the below listed formulae (1) to (3). −600nm≦Rth≦200nm  (1) 0nm≦R≦600nm  (2) NZ≦1  (3) (In formulae (1) to (3), Rth indicates the retardation in the thickness direction of the optical film at a wavelength of 550 nm; R indicates the in-plane retardation of the optical film at a wavelength of 550 nm; and NZ indicates (nx−nz)/(nx−ny)).When the optical film is used in an ISP mode liquid crystal display device, light leakage and color fading (discoloration) during black display are prevented stably for a long term, and a good viewing angle compensation effect is obtained (i.e., high contrast ratio at all angles).
    • 光学膜具有由环状烯烃树脂形成的膜a和设置在膜a上的垂直取向的光学各向异性层b。 该光学膜优选满足下述式(1)〜(3)。 <?in-line-formula description =“In-line formula”end =“lead”?> - 600nm <= Rth <= 200nm(1)<?in-line-formula description =“In-line Formulas”end = “tail”?> <?in-line-formula description =“In-line formula”end =“lead”?> 0nm <= R <= 600nm(2)<?in-line-formula description =“In-line 公式“end =”tail“?> <?in-line-formula description =”In-line Formulas“end =”lead“?> NZ <= 1(3)<?in-line-formula description = (式(1)〜(3))中,Rth表示光学膜的厚度方向的波长为550nm的延迟,R表示光学膜的面内相位差 膜的波长为550nm; NZ表示(nx-nz)/(nx-ny))。 当在ISP模式液晶显示装置中使用光学膜时,黑色显示期间的光泄漏和褪色(变色)长期被稳定地防止,并且获得良好的视角补偿效果(即,高对比度在 所有角度)。