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1. 发明专利

JP2003295135A Diffractive spatial light modulator and display 审中-公开
$Diffractive spatial light modulator and display$
标题翻译： DIFFRACTIVE空间光调制器和显示器
公开(公告)号：JP2003295135A
公开(公告)日：2003-10-15
申请号：JP2003116382
申请日：2003-04-21
申请人： Sharp Corp , シャープ株式会社
发明人： ROBINSON MICHAEL GERAINT , TOMBLING CRAIG , MAYHEW NICHOLAS , KURATATE TOMOAKI , TOWLER MICHAEL JOHN
IPC分类号： G02F1/01 , G02F1/13 , G02F1/1335 , G02F1/1343 , G02F1/137 , G02F1/141 , G02F1/29 , G03B21/00
CPC分类号： G02F1/134336 , G02F1/141 , G02F1/292 , G02F2201/124
摘要： PROBLEM TO BE SOLVED: To obtain higher brightness and higher contrast ratio. SOLUTION: A diffractive spatial light modulator has a first substrate 1 and a second substrate 2 between which a liquid crystal layer 20 functioning as a first half wavelength retarder, a half wavelength plate 22 being a second half wavelength retarder, and a liquid crystal layer 21 functioning as a third wavelength retarder are arranged. The first and third half wavelength retarders have switchable optic axes whereas the second half wavelength retarder 22 has a fixed optic axis. The spatial light modulator has a plurality of pixels and each pixel constitutes a switchable phase-only diffraction grating. Each pixel is switchable between a first mode in which incident light is outputted as the zero-th order diffracted light and a second mode in which incident light is outputted as higher order diffracted light. The spatial light modulator can be used to realize a brighter projection display. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：获得更高的亮度和更高的对比度。解决方案：衍射空间光调制器具有第一衬底1和第二衬底2，在第一衬底1和第二衬底2之间形成用作第一半波长延迟器的液晶层20，作为第二半波长延迟器的半波长板22和液体配置作为第三波长延迟器的晶体层21。第一和第三半波长延迟器具有可切换的光轴，而第二半波长延迟器22具有固定的光轴。空间光调制器具有多个像素，并且每个像素构成可切换的仅相位衍射光栅。每个像素可在其中输入入射光作为零级衍射光的第一模式和入射光作为高阶衍射光输出的第二模式之间切换。空间光调制器可用于实现更明亮的投影显示。版权所有（C）2004，JPO

2. 发明专利

JPH11272225A Liquid crystal device and method for addressing liquid crystal device 审中-公开
标题翻译：液晶装置和用于解决液晶装置的方法
公开(公告)号：JPH11272225A
公开(公告)日：1999-10-08
申请号：JP3058899
申请日：1999-02-08
申请人： Sharp Corp , Uk Government , イギリス国 , シャープ株式会社
发明人： BONNETT PAUL , TOWLER MICHAEL JOHN , ULRICH DIANA CYNTHIA
IPC分类号： G09G3/20 , G09G3/36
CPC分类号： G09G3/3629 , G09G3/2018 , G09G3/2074 , G09G2310/06 , G09G2310/061 , G09G2320/0261
摘要： PROBLEM TO BE SOLVED: To provide a liquid crystal device which realizes a sufficient number of gradations while suppressing decreases in contrast and lightness and a method for addressing the liquid crystal device.
SOLUTION: Scan signals for one frame are applied to one of row electrodes and data signals are applied to at least one of line electrodes to address their respective picture elements. The scan signals for the one frame include (n) (n is an integer of 2 or more) stroboscopic parts Sa.Sb.Sc (or Sa'.Sb'.SC') and not less than one to not more than (n-1) blanking parts B (or B').
COPYRIGHT: (C)1999,JPO
摘要翻译：要解决的问题：提供一种在抑制对比度和亮度降低的同时实现足够数量的灰度的液晶装置以及寻址液晶装置的方法。解决方案：将一帧的扫描信号施加到一行行电极，并将数据信号施加到线电极中的至少一个以寻址它们各自的像素。一帧的扫描信号包括（n）（n是2以上的整数）频闪部分Sa.Sb.Sc（或Sa'.Sb'.SC'），并且不小于1到不大于（n -1）消隐部分B（或B'）。

3. 发明专利

JPH11272246A Liquid crystal device and method and device for addressing liquid crystal device 审中-公开
标题翻译：液晶装置及用于解决液晶装置的方法和装置
公开(公告)号：JPH11272246A
公开(公告)日：1999-10-08
申请号：JP1218699
申请日：1999-01-20
申请人： Sharp Corp , Uk Government , イギリス国 , シャープ株式会社
发明人： BONNETT PAUL , TOWLER MICHAEL JOHN
IPC分类号： G02F1/133 , G09G3/20 , G09G3/36
CPC分类号： G09G3/3629 , G09G2310/06
摘要： PROBLEM TO BE SOLVED: To reduce the heating of a liquid crystal device and a decrease in display contrast. SOLUTION: A liquid crystal devices is multiplex driven by scanning signals which are imparted sequentially to electrodes 14a..., together with data signals imparted to electrodes 16a.... The first and second sets of electrodes specify a plurality of picture elements. A pattern to be shown the device determines a waveform imparted to the electrode 16a..., the waveform being variable between both of extreme frequencies, i.e., a high frequency matching the same condition of the picture elements and a low frequency matching the conditions of the picture elements which vary alternately between adjacent lines. This adversely affects the performance of the device, particularly in terms of contrast. To solve and improve such a problem, a line driver 18 outputs a scan signal obtained by adding a low frequency signal to a scan signal including known strobe pulses. The low frequency signal reduces the effect of each extreme data signal frequency on the picture elements.
摘要翻译：要解决的问题：减少液晶装置的加热和显示对比度的降低。解决方案：通过扫描信号对液晶装置进行多路复用驱动，扫描信号连同赋予电极16a的数据信号一起被赋予电极14a ...。第一和第二组电极指定多个图像元素。要显示的装置的图案确定施加到电极16a ...的波形，波形在两个极端频率之间是可变的，即，与图像元素的相同条件匹配的高频，以及匹配条件在相邻行之间交替变化的图像元素。这对设备的性能产生不利影响，特别是在对比度方面。为了解决并改善这样的问题，线路驱动器18将通过将低频信号相加而得到的扫描信号输出到包括已知选通脉冲的扫描信号。低频信号降低了每个极端数据信号频率对像素的影响。

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