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105 条记录 (耗时 0.017 秒)

    Method of and apparatus for addressing a ferroelectric liquid crystal device and a ferroelectric liquid crystal device
    61.
    发明公开
    Method of and apparatus for addressing a ferroelectric liquid crystal device and a ferroelectric liquid crystal device 失效
    用于寻址的铁电液晶显示器，铁电液晶显示器的方法和装置

    公开(公告)号：EP0838802A2

    公开(公告)日：1998-04-29

    申请号：EP97307638.3

    申请日：1997-09-29

    申请人： SHARP KABUSHIKI KAISHA

    发明人： Towler, Michael John ,  Tagawa, Akira ,  Bonnet, Paul

    IPC分类号： G09G3/36

    CPC分类号： G09G3/3629 ,  G09G3/2051 ,  G09G3/207 ,  G09G3/2074 ,  G09G2310/06 ,  G09G2310/061

    摘要： A ferroelectric liquid crystal device, such as a display panel, has a plurality of pixels arranged as rows and columns in a passive matrix arrangement. Each pixel has a plurality of switching thresholds, for instance by having different regions (7, 8) of different thicknesses, so as to provide a plurality of grey levels. A voltage waveform is applied to each pixel for switching it to a desired grey level. A blanking pulse of a first polarity is applied to reset the pixel to a reset grey level. This is followed by a compensating pulse (20) of polarity opposite the first polarity, after which a waveform for selecting the desired grey level is provided. The effect of the compensating pulse (20) is to reduce the effect of τmin shift so as to provide a relatively wide driving window (13) to allow more reliable selection of an intermediate grey level.

    摘要翻译： 的铁电液晶装置中，检测作为显示面板，具有设置为在无源矩阵布置的行和列的像素的多元性。 每个像素由具有不同区域具有切换的阈值，例如有多个（7,8）不同厚度的，以便提供灰度级的复数。 的电压波形被施加到每个像素为它切换到灰度所需的水平。 第一极性的消隐脉冲被施加到所述像素复位到复位灰度级。 这是通过极性的补偿脉冲（20）与第一极性相反，afterwhich提供了一种用于选择期望的灰度级的波形其次。 所述补偿脉冲（20）的作用是降低tau蛋白分钟偏移的效果，从而提供相对宽的驱动窗口（13），以允许的中间灰度级的更可靠的选择。

    Driving method for liquid crystal device
    67.
    发明公开
    Driving method for liquid crystal device 失效
    AnsteuerungsverfahrenfüreineFlüssigkristall-Vorrichtung。

    公开(公告)号：EP0621580A1

    公开(公告)日：1994-10-26

    申请号：EP94302762.3

    申请日：1994-04-19

    申请人： CANON KABUSHIKI KAISHA

    发明人： Okada, Shinjiro, c/o Canon Kabushiki Kaisha ,  Inaba, Yutaka, c/o Canon Kabushiki Kaisha ,  Katakura, Kazunori, c/o Canon Kabushiki Kaisha

    IPC分类号： G09G3/36

    CPC分类号： G09G3/3637 ,  G09G3/2014 ,  G09G3/207 ,  G09G2310/061 ,  G09G2320/0209

    摘要： A liquid crystal device of the type comprising a pair of oppositely disposed electrode plates having thereon a group of scanning lines and a group of data lines, respectively, and a liquid crystal disposed between the pair of electrode plates so as to form a pixel at each intersection of the scanning lines and data lines, is driven by a driving method including the steps of applying a scanning selection voltage waveform including a scanning selection signal to a scanning line within one scanning period, and applying a data signal waveform to data lines within the one scanning period. The data signal waveform is composed to include (i) a data signal period for a data signal synchronized with the scanning selection signal and providing a time-integrated voltage of zero applied to an associate pixel within the period and (ii) an AC signal period for an AC signal providing a time-integrated voltage of zero applied to the associated pixel within the AC signal period. As a result, a pixel on a selected scanning line written in an optical state, particularly a halftone state, is not affected by data signals applied for writing in pixels on a subsequently selected scanning line regardless of a relaxation time exhibited by the liquid crystal at the time of switching thereof.

    摘要翻译： 一种液晶装置，包括一对相对设置的电极板，其上分别具有一组扫描线和一组数据线，以及一个液晶，设置在该对电极板之间，以便在每个电极板之间形成像素 通过驱动方法驱动扫描线和数据线的交点，该驱动方法包括以下步骤：在一个扫描周期内向扫描线施加包括扫描选择信号的扫描选择电压波形，并将数据信号波形施加到扫描线和数据线内的数据线 一个扫描周期。 数据信号波形被构成为包括（i）与扫描选择信号同步的数据信号的数据信号周期，并且在该周期内提供施加到关联像素的零时刻积分电压，以及（ii）AC信号周期 用于AC信号，其提供在AC信号周期内施加到相关联的像素的零时刻积分电压。 结果，写入光学状态，特别是半色调状态的所选择的扫描线上的像素，不受随后选择的扫描线上的像素中写入的数据信号的影响，而不管液晶的弛豫时间如何 切换的时间。

    Display apparatus
    68.
    发明公开
    Display apparatus 失效
    显示设备

    公开(公告)号：EP0564263A3

    公开(公告)日：1994-05-18

    申请号：EP93302507.4

    申请日：1993-03-31

    申请人： CANON KABUSHIKI KAISHA

    发明人： Okada, Shinjiro, c/o Canon K.K. ,  Inaba, Yutaka, c/o Canon K.K. ,  Kato, Takashi, c/o Canon K.K. ,  Katakura, Kazunori, c/o Canon K.K.

    IPC分类号： G09G3/36

    CPC分类号： G02F1/133371 ,  G09G3/2011 ,  G09G3/207 ,  G09G3/3629 ,  G09G3/3637 ,  G09G2310/0205 ,  G09G2310/0224 ,  G09G2310/06 ,  G09G2310/061 ,  G09G2310/065 ,  G09G2320/0247

    摘要： A display apparatus is constituted by a display device including a plurality of scanning lines, a plurality of data lines intersecting the scanning lines, and a pixel formed at each intersection of the scanning lines and data lines and showing plural display states depending on signals applied to an associated scanning line and an associated data line. The display device is driven by applying a selection signal to the scanning lines and applying to the data lines data signals for causing prescribed display states at the pixels in association with the selection signal. Further, at least one scanning line in a nonselected state is supplied with a dummy signal for temporarily changing display states of pixels on the at least one scanning line, whereby flickering on the display device is suppressed. The display apparatus is also applicable to gradational display.

    摘要翻译： 显示装置由包括多条扫描线，与扫描线相交的多条数据线的显示装置和形成在扫描线和数据线的每个交点处的像素构成，并且根据施加到 相关联的扫描线和相关联的数据线。 通过向扫描线施加选择信号来驱动显示装置，并将数据信号施加到与选择信号相关联的像素处的指定显示状态。 此外，在非选择状态下的至少一条扫描线被提供有用于临时改变至少一条扫描线上的像素的显示状态的虚拟信号，从而抑制显示装置上的闪烁。 显示装置也适用于分级显示。

    Display apparatus
    69.
    发明公开
    Display apparatus 失效
    显示设备

    公开(公告)号：EP0574810A1

    公开(公告)日：1993-12-22

    申请号：EP93109196.1

    申请日：1993-06-08

    申请人： CANON KABUSHIKI KAISHA

    发明人： Katakura, Kazunori, c/o Canon Kabushiki Kaisha ,  Okada, Shinjiro, c/o Canon Kabushiki Kaisha ,  Inaba, Yutaka, c/o Canon Kabushiki Kaisha

    IPC分类号： G09G3/36 ,  G02F1/133

    CPC分类号： G09G3/3611 ,  G09G3/207 ,  G09G2310/0205 ,  G09G2310/04 ,  G09G2320/0247 ,  G09G2320/041

    摘要： A display apparatus includes a matrix of a group of scanning lines and a group of data signal lines intersecting the scanning lines, pixels each formed at an intersection of the scanning lines and data signal lines, and a driver for supplying drive signals to the matrix so as to effect a display at the pixels. The scanning lines are divided into at least three blocks each comprising a plurality of adjacent scanning lines. The driver includes scanning means for sequentially selecting the at least three blocks so as not to select neighboring blocks consecutively and for consecutively selecting adjacent scanning lines in a selected block. As a result, flicker in a repetitive image is prevented while maintaining good observability of a motion picture.

    摘要翻译： 一种显示设备包括：一组扫描线和与扫描线交叉的一组数据信号线的矩阵;每一个形成在扫描线和数据信号线的交点处的像素;以及用于向该矩阵提供驱动信号的驱动器 以在像素处实现显示。 扫描线被分成至少三个块，每个块包括多个相邻的扫描线。 驱动器包括扫描装置，用于顺序地选择至少三个块，以便不连续地选择相邻块并用于连续地选择所选块中的相邻扫描线。 结果，在保持动态图像的良好可观察性的同时防止了重复图像中的闪烁。

    Displaying information
    70.
    发明公开
    Displaying information 失效
    显示信息

    公开(公告)号：EP0526095A3

    公开(公告)日：1993-09-01

    申请号：EP92306719.3

    申请日：1992-07-23

    申请人： CANON KABUSHIKI KAISHA

    发明人： Katakura, Kazunori, c/o Canon Kabushiki Kaisha

    IPC分类号： G09G3/36

    CPC分类号： G09G3/3637 ,  G09G3/2011 ,  G09G3/2014 ,  G09G3/207 ,  G09G3/2074 ,  G09G3/3607 ,  G09G3/364 ,  G09G2310/0205 ,  G09G2310/06 ,  G09G2310/061 ,  G09G2320/041

    摘要： A display apparatus comprises: a display section having a multiplicity of pixels P₁, P₂, each pixel having first and second bi-stable sub-pixels A, B and A′, B′ which have the same threshold characteristics; and driving means for driving the pixels in such a manner that a first writing pulse A₁ is applied to the first sub-pixel A, A′ so as to write a complete first stable state in the first sub-pixel A, A′, followed by application of a second writing pulse A₂ to write the second stable state, while a first writing pulse B₁ is applied to the second sub-pixel B,B′ to write a complete second stable state in the second sub-pixel B,B′, followed by application of a second writing pulse B₂ to write the first stable state. In an alternative form of the invention, a display apparatus comprises: a display section having a multiplicity of pixels, each pixel having first and second bi-stable sub-pixels A₁, A₂ which have the same threshold characteristics; and driving means for driving the pixels by applying a plurality of writing pulses to each of the first and second sub-pixels in such a manner that a first writing pulse Q₁ is applied to the first sub-pixel A₁ so as to write a complete first stable state in the first sub-pixel A₁, followed by application of second and subsequent writing pulses Q₂, Q₃ to alternately write the second stable state and the first stable state, while a first writing pulse R₁ is applied to the second sub-pixel A₂ to write a complete second stable state in the second sub-pixel A₂, followed by application of second and subsequent writing pulses R₂, R₃ to alternately write the first stable state and the second stable state A₂.