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    • 21. 发明授权
    • Liquid crystal apparatus
    • 液晶装置
    • US5734367A
    • 1998-03-31
    • US855592
    • 1997-05-13
    • Akira TsuboyamaKazunori Katakura
    • Akira TsuboyamaKazunori Katakura
    • G02F1/133G09G3/36
    • G09G3/3629G09G2310/0227G09G2310/061G09G2320/0247G09G2320/041
    • A liquid crystal device is constituted by a pair of substrates respectively having thereon a plurality of scanning lines and a plurality of data lines intersecting the scanning lines, and a liquid crystal disposed between the substrates so as to form a matrix of pixels each at an intersection of the scanning lines and the data lines. The liquid crystal device is driven under conditions that (1) the scanning lines are sequentially selected so that every N-th scanning line is selected in a field, (2) N is an odd number, (3) a period for selecting each scanning line is changed depending on an environmental temperature at which the device is placed, and (4) N is changed depending on the environmental temperature. As a result, a uniformly good image is displayed regardless of a temperature change and with minimum flicker liable to occur depending on a repetitive display pattern.
    • 液晶装置由分别具有多条扫描线和与扫描线交叉的多条数据线的一对基板构成,液晶设置在基板之间,以便在相交处形成像素矩阵 的扫描线和数据线。 在(1)顺序地选择扫描线以使得在场中选择每N条扫描线的条件下驱动液晶装置,(2)N是奇数,(3)用于选择每个扫描的周期 线根据放置器件的环境温度而变化,(4)N根据环境温度而变化。 结果,无论温度变化如何,显示均匀良好的图像,并且根据重复显示图案易于发生最小闪烁。
    • 22. 发明授权
    • Display apparatus
    • 显示装置
    • US5592191A
    • 1997-01-07
    • US53304
    • 1993-04-29
    • Akira TsuboyamaKatsuhiro MiyamotoAtsushi MizutomeHideo KannoHiroshi InoueKazunori Katakura
    • Akira TsuboyamaKatsuhiro MiyamotoAtsushi MizutomeHideo KannoHiroshi InoueKazunori Katakura
    • G09G3/36
    • G09G3/3692G09G3/3629G09G3/3681G09G3/3696G09G2310/0245G09G2330/021
    • A display apparatus includes a display panel having a matrix electrode arrangement of intersecting scanning lines and data lines, a driving voltage generating means for supplying voltages to be applied to scanning lines to a scanning line driving means for driving scanning lines, as well as voltages to be applied to data lines to a data line driving means for driving data lines, at least one voltage level being supplied to the scanning and to the data line driving means, a switching means for turning on or off an electrical connection between the driving voltage generating means to a power source for supplying or disconnecting power to the driving voltage generating means, and a control means for controlling the scanning line driving means and the data line driving means such that a scanning signal voltage is applied to a scanning line to scan the same while a data signal voltage corresponding to image data is applied to a data line when the switching means is on, such that the one voltage level is supplied to the scanning line driving means and to the data line driving means after the switching means is turned off.
    • 显示装置包括具有交叉扫描线和数据线的矩阵电极布置的显示面板,用于向扫描线驱动装置提供施加于扫描线的电压的驱动电压产生装置,用于驱动扫描线,以及电压 施加到数据线的数据线驱动装置,用于驱动数据线,至少一个电压电平被提供给扫描和数据线驱动装置;切换装置,用于接通或断开产生驱动电压的电连接 用于向驱动电压产生装置提供或断开电源的电源的装置,以及用于控制扫描线驱动装置和数据线驱动装置的控制装置,使得扫描信号电压施加到扫描线以扫描它 而当切换装置打开时,对应于图像数据的数据信号电压被施加到数据线, 在关闭切换装置之后,向扫描线驱动装置和数据线驱动装置提供刻度电平。
    • 26. 发明授权
    • Display apparatus capable of gradational display
    • 能够进行梯度显示的显示装置
    • US6072555A
    • 2000-06-06
    • US789869
    • 1997-01-28
    • Atsushi MizutomeKazunori KatakuraJun Iba
    • Atsushi MizutomeKazunori KatakuraJun Iba
    • G02F1/1343G02F1/1335
    • G02F1/134336G02F2001/134345
    • A display apparatus is constituted to have a multiplicity of pixels each divided into at least two sub-pixels having mutually different areas including a larger sub-pixel having a larger area and a smaller sub-pixel having a smaller area. Each sub-pixel is provided with a transparent electrode and a low-resistivity conductor connected to the transparent electrode, and the low-resistivity conductor for the larger sub-pixel is set to have a lower resistance than the low-resistivity conductor for the smaller sub-pixel. As a result, a pixel switching characteristic can be uniformized over an entire picture area of the display apparatus regardless of different areas (loads) of the sub-pixels and without using different performances of drivers.
    • 显示装置被构造成具有多个像素,每个像素分成具有相互不同的区域的至少两个子像素,所述子像素具有包括较大面积的较大子像素和具有较小面积的较小子像素。 每个子像素设置有透明电极和连接到透明电极的低电阻率导体,并且用于较大子像素的低电阻率导体被设置为具有比用于较小的子像素的低电阻率导体更低的电阻 子像素。 结果,像素切换特性可以在显示装置的整个图像区域上均匀化,而不管子像素的不同区域(负载)如何,并且不使用驱动器的不同性能。
    • 28. 发明授权
    • Liquid crystal display device for improved halftone display
    • 用于改进半色调显示的液晶显示装置
    • US5638195A
    • 1997-06-10
    • US361050
    • 1994-12-21
    • Kazunori KatakuraYutaka Inaba
    • Kazunori KatakuraYutaka Inaba
    • G02F1/1333G02F1/1343G09G3/20G09G3/36
    • G09G3/3637G02F1/133345G02F1/134336G02F2203/30G09G2310/0205G09G2310/06G09G2310/061G09G2310/065G09G2320/041G09G3/2011G09G3/207
    • A display device is constituted by a pair of oppositely disposed substrates spaced from each other and having thereon scanning electrodes and data electrodes intersecting the scanning electrodes, respectively, and a layer of optical modulation substance, e.g., a liquid crystal disposed between the substrates so as to form a pixel at each intersection of the scanning electrodes and data electrodes and so that a white display region and a black display region can be formed at a varying areal ratio therebetween in each pixel. In the device, a site forming a nucleus of a black display region in one pixel and a site forming a nucleus of a white display region in another pixel adjacent to said one pixel are disposed to be adjacent to each other. As a result, a halftone display can be effected according to the areal method using a cell having a simple thickness gradient while avoiding appearance of ugly continuous lines diminishing a halftone display effect. The device is also suitable for a temperature compensation according to the pixel shift method.
    • 显示装置由相互隔开的一对相对设置的基板构成,分别具有与扫描电极相交的扫描电极和数据电极,以及光调制物质层,例如设置在基板之间的液晶,以便 以在扫描电极和数据电极的每个交叉处形成像素,从而可以在每个像素中以变化的面积比形成白色显示区域和黑色显示区域。 在该装置中,在一个像素中形成黑色显示区域的核心的位置和形成与所述一个像素相邻的另一像素中的白色显示区域的核心的位置被布置为彼此相邻。 结果,可以根据使用具有简单厚度梯度的单元的区域方法来实现半色调显示,同时避免丑化连续线的出现减少半色调显示效果。 该器件还适用于根据像素偏移法进行温度补偿。