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1. 发明公开

EP0541396A2 Method for driving liquid crystal panel 失效
标题翻译： SteuerverfahrenfüreineFlüssigkristallanzeigetafel。
公开(公告)号：EP0541396A2
公开(公告)日：1993-05-12
申请号：EP92310203.2
申请日：1992-11-06
申请人： SHARP KABUSHIKI KAISHA
发明人： Numao, Takaji , Katsuse, Hirofumi
IPC分类号： G09G1/00 , G09G3/36
CPC分类号： G09G3/3629 , G09G2310/04 , G09G2310/06 , G09G2320/0209
摘要： A method for driving a liquid crystal panel including the steps of providing a ferroelectric liquid crystal of which dielectric anisotropy is negative, between a plurality of scanning and signal electrodes which intersect each other, applying positive and negative voltages to a pixel formed by the scanning electrode with the non-selection voltage and the signal electrode with the rewriting voltage and a pixel formed by the scanning electrode with the non-selection voltage and the signal electrode with the holding voltage so that the changes of the quantities of transmitted light of the two pixels are made almost equal to each other, and applying a positive or negative voltage within the range where an effect of the negative dielectric anisotropy acting on a ferroelectric liquid crystal molecule is increased, and a negative or positive voltage within the range where the effect on the molecule is decreased to a pixel formed by the scanning electrode with the selection voltage and the signal electrode with the holding voltage so that the change of a quantity of transmitted light of the pixel is made almost equal to or smaller than that of the two pixels.
摘要翻译：一种用于驱动液晶面板的方法，包括以下步骤：提供介电各向异性为负的铁电液晶，在彼此相交的多个扫描电极和信号电极之间，向由扫描电极形成的像素施加正电压和负电压具有非选择电压和具有重写电压的信号电极和由具有非选择电压的扫描电极形成的像素和具有保持电压的信号电极，使得两个像素的透射光量的变化彼此大致相等，并且在作用在铁电液晶分子上的负介电各向异性的作用增加的范围内施加正电压或负电压，并且在对分子由具有选择电压和信号的扫描电极形成的像素降低具有保持电压的正电极，使得像素的透射光量的变化大致等于或小于两个像素的透射光的变化。

2. 发明授权

EP0541396B1 Method for driving liquid crystal panel 失效
标题翻译：驱动液晶面板的方法
公开(公告)号：EP0541396B1
公开(公告)日：1998-01-21
申请号：EP92310203.2
申请日：1992-11-06
申请人： SHARP KABUSHIKI KAISHA
发明人： Numao, Takaji , Katsuse, Hirofumi
IPC分类号： G09G1/00 , G09G3/36
CPC分类号： G09G3/3629 , G09G2310/04 , G09G2310/06 , G09G2320/0209

3. 发明公开

EP0691639A3 Apparatus and method for driving a ferroelectric liquid crystal panel 失效
标题翻译：方法和装置用于驱动铁电液晶显示面板
公开(公告)号：EP0691639A3
公开(公告)日：1997-06-04
申请号：EP95304675.2
申请日：1995-07-04
申请人： SHARP KABUSHIKI KAISHA
发明人： Nonomura, Keisaku , Numao, Takaji , Katsuse, Hirofumi
IPC分类号： G09G3/36
CPC分类号： H04N3/127 , G02F1/133382 , G09G3/3629 , G09G2310/0227 , G09G2310/06 , G09G2320/041
摘要： A ferroelectric liquid crystal panel (1) including a plurality of scanning electrodes (Li), a plurality of signal electrodes (Si) crossing the scanning electrodes, a ferroelectric liquid crystal material having two stable orientation states corresponding to different memory angles and provided at intersections of the plurality of scanning electrodes and the plurality of signal electrodes to form a plurality of pixels (Aij) is driven. The plurality of pixels each have a first threshold characteristic regarding a voltage for switching a display state of the pixel into a non.display state and a second threshold characteristic regarding a voltage for switching the non-display state of the pixel into the display state. An apparatus for driving the ferroelectric liquid crystal panel includes temperature detection means (28) for detecting an operation temperature of the ferroelectric liquid crystal panel; and signal output means for outputting a driving signal based on a field frequency fixed at a prescribed reference frequency and a frame frequency determined in correspondence with the operation temperature of the ferroelectric liquid crystal panel detected by the temperature detection means, and writing the driving signal into each of the plurality of pixels at a writing time corresponding to a response time of each of the plurality of pixels changing in accordance with the operation temperature.

4. 发明公开

EP0691639A2 Apparatus and method for driving a ferroelectric liquid crystal panel 失效
标题翻译：方法和装置用于驱动铁电液晶显示面板
公开(公告)号：EP0691639A2
公开(公告)日：1996-01-10
申请号：EP95304675.2
申请日：1995-07-04
申请人： SHARP KABUSHIKI KAISHA
发明人： Nonomura, Keisaku , Numao, Takaji , Katsuse, Hirofumi
IPC分类号： G09G3/36
CPC分类号： H04N3/127 , G02F1/133382 , G09G3/3629 , G09G2310/0227 , G09G2310/06 , G09G2320/041
摘要： A ferroelectric liquid crystal panel (1) including a plurality of scanning electrodes (Li), a plurality of signal electrodes (Si) crossing the scanning electrodes, a ferroelectric liquid crystal material having two stable orientation states corresponding to different memory angles and provided at intersections of the plurality of scanning electrodes and the plurality of signal electrodes to form a plurality of pixels (Aij) is driven. The plurality of pixels each have a first threshold characteristic regarding a voltage for switching a display state of the pixel into a non.display state and a second threshold characteristic regarding a voltage for switching the non-display state of the pixel into the display state. An apparatus for driving the ferroelectric liquid crystal panel includes temperature detection means (28) for detecting an operation temperature of the ferroelectric liquid crystal panel; and signal output means for outputting a driving signal based on a field frequency fixed at a prescribed reference frequency and a frame frequency determined in correspondence with the operation temperature of the ferroelectric liquid crystal panel detected by the temperature detection means, and writing the driving signal into each of the plurality of pixels at a writing time corresponding to a response time of each of the plurality of pixels changing in accordance with the operation temperature.
摘要翻译：的铁电液晶面板（1）包括扫描电极的多个（Li）的，信号电极的交叉扫描电极有多个（Si）的，具有两个稳定取向状态的铁电液晶材料对应于不同的存储器的角度和在交叉点提供电极扫描的多元性和电极的信号的多个而形成的像素（IJ）多个被驱动。像素的多元性各自具有关于用于切换的像素的显示状态变成non.display状态和第二阈值特性关于用于切换的像素的非显示状态到显示状态的电压的电压的第一阈值特性。用于驱动该强电介质液晶面板的设备包括用于在所述铁电液晶面板的操作温度检测的温度检测手段（28）; 和用于输出铃声信号输出装置，写入的驱动信号转换成基于固定在对应开采与由所述温度检测装置检测到的铁电液晶面板的操作温度规定的基准频率和帧的频率确定的一个场频的驱动信号，并每个像素中的一个时间写入对应于每个在雅舞蹈改变与操作温度的像素的多个的响应时间的多个。

5. 发明公开

EP0541396A3 Method for driving liquid crystal panel 失效
标题翻译：驱动液晶面板的方法
公开(公告)号：EP0541396A3
公开(公告)日：1994-09-21
申请号：EP92310203.2
申请日：1992-11-06
申请人： SHARP KABUSHIKI KAISHA
发明人： Numao, Takaji , Katsuse, Hirofumi
IPC分类号： G09G1/00 , G09G3/36
CPC分类号： G09G3/3629 , G09G2310/04 , G09G2310/06 , G09G2320/0209
摘要： A method for driving a liquid crystal panel including the steps of providing a ferroelectric liquid crystal of which dielectric anisotropy is negative, between a plurality of scanning and signal electrodes which intersect each other, applying positive and negative voltages to a pixel formed by the scanning electrode with the non-selection voltage and the signal electrode with the rewriting voltage and a pixel formed by the scanning electrode with the non-selection voltage and the signal electrode with the holding voltage so that the changes of the quantities of transmitted light of the two pixels are made almost equal to each other, and applying a positive or negative voltage within the range where an effect of the negative dielectric anisotropy acting on a ferroelectric liquid crystal molecule is increased, and a negative or positive voltage within the range where the effect on the molecule is decreased to a pixel formed by the scanning electrode with the selection voltage and the signal electrode with the holding voltage so that the change of a quantity of transmitted light of the pixel is made almost equal to or smaller than that of the two pixels.

6. 发明授权

EP0691639B1 Apparatus and method for driving a ferroelectric liquid crystal panel 失效
标题翻译：方法和装置用于驱动铁电液晶显示面板
公开(公告)号：EP0691639B1
公开(公告)日：2006-12-20
申请号：EP95304675.2
申请日：1995-07-04
申请人： SHARP KABUSHIKI KAISHA
发明人： Nonomura, Keisaku , Numao, Takaji , Katsuse, Hirofumi
IPC分类号： G09G3/36
CPC分类号： H04N3/127 , G02F1/133382 , G09G3/3629 , G09G2310/0227 , G09G2310/06 , G09G2320/041

7. 发明授权

EP0554109B1 Method for driving a liquid crystal display 失效
标题翻译：一种用于驱动液晶显示装置的方法
公开(公告)号：EP0554109B1
公开(公告)日：1998-08-05
申请号：EP93300664.5
申请日：1993-01-29
申请人： SHARP KABUSHIKI KAISHA
发明人： Koden, Mitsuhiro , Tagawa, Akira , Takeda, Hitoshi , Katsuse, Hirofumi , Shiomi, Makoto , Numao, Takaji , Gouda, Hiroshi , Katakami, Masayuki , Kondo, Naofumi , Katayama, Mikio
IPC分类号： G09G3/36 , G02F1/137
CPC分类号： G02F1/141 , G02F2203/30 , G09G3/2011 , G09G3/207 , G09G3/3629 , G09G3/3651 , G09G2310/06 , G09G2320/0247

8. 发明公开

EP0554109A1 Liquid crystal display and method for driving the same 失效
标题翻译： Flüssigkristall-Anzeigevorrichtung und Verfahren zu ihrer Ansteuerung。
公开(公告)号：EP0554109A1
公开(公告)日：1993-08-04
申请号：EP93300664.5
申请日：1993-01-29
申请人： SHARP KABUSHIKI KAISHA
发明人： Koden, Mitsuhiro , Tagawa, Akira , Takeda, Hitoshi , Katsuse, Hirofumi , Shiomi, Makoto , Numao, Takaji , Gouda, Hiroshi , Katakami, Masayuki , Kondo, Naofumi , Katayama, Mikio
IPC分类号： G09G3/36 , G02F1/137
CPC分类号： G02F1/141 , G02F2203/30 , G09G3/2011 , G09G3/207 , G09G3/3629 , G09G3/3651 , G09G2310/06 , G09G2320/0247
摘要： A liquid crystal display includes a liquid crystal cell including a pair of substrates (1,2) opposite to each other, each substrate having an electrode film and an orientation control layer (9, 19) thereon, and a ferroelectric liquid crystal filled between the substrates; and a pair of polarizing plates which are provided opposite to each other in the state of "cross nicol" on both sides of the liquid crystal cell (18); the ferroelectric liquid crystal being bistable in the liquid crystal cell (18), the polarizing plates being oriented in such a manner that one of their polarizing directions conforms to one of extinction positions of the ferroelectric liquid crystal under no electric field, the liquid crystal cell being applied with an alternating voltage for changing an apparent tilt angle of the ferroelectric liquid crystal depending on the applied voltage value, resulting in display with gray scale.
摘要翻译：液晶显示器包括：液晶单元，其包括彼此相对的一对基板（1,2），每个基板上具有电极膜和取向控制层（9,19），并且填充在所述液晶单元基板; 以及在液晶单元（18）的两侧以“十字形尼科”状态彼此相对设置的一对偏振片; 所述铁电液晶在所述液晶单元（18）中是双稳态的，所述偏振片的取向方式为使得其偏振方向之一在无电场下符合所述铁电液晶的消光位置之一，所述液晶单元施加用于根据施加的电压值改变铁电液晶的表观倾斜角度的交流电压，导致灰度显示。

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