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    • 1. 发明授权
    • Liquid crystal display and method of driving liquid crystal display
    • 液晶显示器和液晶显示器的驱动方法
    • US08184082B2
    • 2012-05-22
    • US12351171
    • 2009-01-09
    • Kenichi Tajiri
    • Kenichi Tajiri
    • G09G3/36
    • G09G3/3648G09G3/3614G09G3/3655G09G3/3666G09G2310/06
    • A liquid crystal display selectively operates in one of a full screen display mode, in which the full screen of the display panel is set as a display area, and a partial display mode, in which a partial area in the full screen is set as a display area and a remaining area is set as a non-display area. The liquid crystal display includes a plurality of gate lines, a plurality of source lines, a plurality of storage capacitor lines that are provided to correspond to the plurality of gate lines, a plurality of pixels that are provided at intersections between the plurality of gate lines and the plurality of source lines, a polarity signal generation circuit that generates a polarity signal corresponding to a frame inversion signal to be repeatedly alternately inverted between a first level and a second level different from the first level for each frame in the display area, and generates a polarity signal corresponding to a fixed signal fixed at one of the first level and the second level in the non-display area, a storage capacitor line driving circuit that changes the potentials of the storage capacitor lines depending on the polarity signal generated by the polarity signal generation circuit, and a control circuit that changes the display area at a timing according to the frame inversion signal.
    • 液晶显示器选择性地以显示面板的全屏被设置为显示区域的全屏显示模式和部分显示模式中的一种操作,其中全屏的部分区域被设置为 显示区域和剩余区域被设置为非显示区域。 液晶显示器包括:多条栅极线,多条源极线,与多个栅极线对应设置的多个保持电容配线;多个栅极线设置在多个栅极线 以及所述多个源极线,极性信号生成电路,其在与所述显示区域中的每一帧的所述第一电平不同的第一电平和与所述第一电平不同的第二电平之间重复地交替地反转与帧反转信号相对应的极性信号,以及 产生对应于在非显示区域中固定在第一电平和第二电平中的一个固定信号的极性信号;辅助电容线驱动电路,其根据由所述非显示区域产生的极性信号改变辅助电容线的电位; 极性信号产生电路,以及根据帧内的定时改变显示区域的控制电路 rsion信号。
    • 2. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶显示装置
    • US20110075063A1
    • 2011-03-31
    • US12884758
    • 2010-09-17
    • Kenichi TajiriYutaka KobashiHiroshi KiyaNobuhiko Yokoo
    • Kenichi TajiriYutaka KobashiHiroshi KiyaNobuhiko Yokoo
    • G02F1/136
    • G09G3/3258G09G3/3651G09G3/3677G09G2300/0417G09G2300/0482G09G2310/0245G09G2320/046G09G2330/04
    • Disclosed herein is a liquid crystal display device having first and second substrates disposed to face each other so as to hold a liquid crystal layer therebetween, and a gate potential creating circuit for outputting a selection potential and a non-selection potential, scanning lines, signal lines, thin film transistors formed so as to correspond to intersection portions between the scanning lines and the signal lines, respectively, pixel electrodes electrically connected to the thin film transistors, respectively, and a gate control circuit for switching the selection potential and the non-selection potential supplied from the gate potential creating circuit over to each other, thereby supplying one of the selection potential and the non-selection potential to corresponding ones of the thin film transistors through corresponding one of the scanning lines being formed on the first substrate, and a common electrode being formed either on the first substrate or the second substrate.
    • 这里公开了一种液晶显示装置,其具有彼此相对配置以彼此保持液晶层的第一和第二基板以及用于输出选择电位和非选择电位的栅极电位产生电路,扫描线,信号 分别形成为对应于扫描线和信号线之间的交点的薄膜晶体管,分别与薄膜晶体管电连接的像素电极以及用于切换选择电位和非选择电位的栅极控制电路, 从栅极电位产生电路提供的选择电位相互之间,从而通过在第一衬底上形成的相应的一条扫描线,将选择电位和非选择电位中的一个提供给对应的薄膜晶体管,以及 在第一基板或第二基板上形成公共电极。
    • 3. 发明授权
    • Voltage supply circuit, voltage supply method, electro-optical device, and electronic apparatus
    • 电压供应电路,电压供给方式,电光装置和电子装置
    • US07551171B2
    • 2009-06-23
    • US11211357
    • 2005-08-25
    • Fusashi KimuraSatoshi YatabeKenichi Tajiri
    • Fusashi KimuraSatoshi YatabeKenichi Tajiri
    • G09G5/00
    • H02M3/07
    • A voltage supply circuit includes a first holding element with a first end and a second end that supplies a voltage held between the first end and the second end to a load, the second end being connected to a ground, and a second holding element with a first end and a second end, the first end of the second holding element being electrically connected to the first end of the first holding element. The voltage supply circuit also includes a charging circuit that charges the second holding element with a voltage higher than the voltage to be supplied to the load in a first mode, and a potential adjusting circuit that shifts a potential at the second end of the second holding element towards a potential at the first end of the first holding element according to the voltage held by the first holding element or the second holding element in a second mode exclusive with respect to the first mode.
    • 电压供应电路包括具有第一端的第一保持元件和将第一端和第二端之间保持的电压提供给负载的第二端,第二端连接到地,以及第二保持元件,其具有 第一端和第二端,第二保持元件的第一端电连接到第一保持元件的第一端。 电压供给电路还包括充电电路,其以比在第一模式中提供给负载的电压高的电压对第二保持元件充电,以及电位调整电路,其将第二保持的第二端的电位移位 元件朝向第一保持元件的第一端处的电位,根据第一保持元件或第二保持元件以第二模式保持的电压相对于第一模式排除。
    • 4. 发明申请
    • LIQUID-CRYSTAL DISPLAY
    • 液晶显示器
    • US20090009503A1
    • 2009-01-08
    • US12143122
    • 2008-06-20
    • Kenichi TAJIRI
    • Kenichi TAJIRI
    • G06F3/038
    • G09G3/3655G09G3/3688G09G2300/0876G09G2310/0245G09G2330/02G09G2330/027
    • A liquid-crystal display includes a gate line, a gate driver supplying gate signals to the gate line, a source line, a source driver supplying source signals to the source line, a pixel electrode to which the source signals are applied via a pixel switching element connected to the source line, a liquid crystal disposed between the pixel electrode and a common electrode, a common electrode driver supplying common electrode signals to the common electrode, a capacitor disposed between the pixel electrode and a capacitor line, a driving circuit alternately changing the voltage level of the capacitor line between a first level and a second level, and a sequence control circuit. The sequence control circuit performs control such that the common electrode and the source line are short-circuited and supply of power to the source driver, the common electrode driver, and the driving circuit is cut off when a signal for turning off the power to the liquid-crystal display is detected, and that the voltage level of the pixel electrode is set to a ground level after the cutoff of the power supply by turning on the pixel switching element in accordance with a gate signal from the gate driver.
    • 液晶显示器包括栅极线,向栅极线提供栅极信号的栅极驱动器,源极线,向源极线提供源极信号的源极驱动器,经由像素切换施加源极信号的像素电极 连接到源极线的元件,设置在像素电极和公共电极之间的液晶,向公共电极提供公共电极信号的公共电极驱动器,设置在像素电极和电容器线之间的电容器,驱动电路交替变化 第一电平和第二电平之间的电容器线的电压电平以及序列控制电路。 顺序控制电路进行控制,使得公共电极和源极线短路,并且当用于将电源切断到电源的信号被切断时,向源极驱动器,公共电极驱动器和驱动电路的供电被切断 检测出液晶显示器,并且通过根据来自栅极驱动器的栅极信号接通像素开关元件,在电源截止之后将像素电极的电压电平设置为接地电平。
    • 5. 发明申请
    • ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS
    • 电光设备和电子设备
    • US20080036786A1
    • 2008-02-14
    • US11836525
    • 2007-08-09
    • Kenichi TAJIRI
    • Kenichi TAJIRI
    • G09G5/02
    • G09G3/2074G09G3/3659G09G2300/0443G09G2300/0842G09G2310/0262G09G2320/0252G09G2340/16G09G2360/16
    • An electro-optical device includes a plurality of scanning lines and a plurality of data lines, pixels arranged so as to correspond to intersections of the plurality of scanning lines and the plurality of data lines, and an electro-optical material in which a response speed at a time of halftone display is lower than those at a time of low-gray-scale-level display and at a time of high-gray-scale-level display. Each of the pixels includes at least two adjacent subpixels as a group. Each of the subpixels includes a pixel electrode, a common electrode arranged so as to face the pixel electrode, and a switching device which electrically connects a corresponding one of the data lines to the pixel electrode in accordance with a selection voltage supplied from a corresponding one of the scanning lines. The switching device is connected to the corresponding one of the scanning lines.
    • 电光装置包括多个扫描线和多条数据线,排列成与多条扫描线和多条数据线的交点相对应的像素,以及电光材料,其中响应速度 在半色调显示的时间低于低灰度级显示时和低灰度级显示时。 每个像素包括作为一组的至少两个相邻子像素。 每个子像素包括像素电极,与像素电极相对配置的公共电极,以及根据从相应的一个提供的选择电压将对应的一条数据线电连接到像素电极的开关装置 的扫描线。 开关装置连接到相应的扫描线之一。
    • 8. 发明申请
    • LIQUID CRYSTAL DISPLAY AND METHOD OF DRIVING LIQUID CRYSTAL DISPLAY
    • 液晶显示及驱动液晶显示方法
    • US20090213058A1
    • 2009-08-27
    • US12351171
    • 2009-01-09
    • Kenichi TAJIRI
    • Kenichi TAJIRI
    • G09G3/36
    • G09G3/3648G09G3/3614G09G3/3655G09G3/3666G09G2310/06
    • A liquid crystal display selectively operates in one of a full screen display mode, in which the full screen of the display panel is set as a display area, and a partial display mode, in which a partial area in the full screen is set as a display area and a remaining area is set as a non-display area. The liquid crystal display includes a plurality of gate lines, a plurality of source lines, a plurality of storage capacitor lines that are provided to correspond to the plurality of gate lines, a plurality of pixels that are provided at intersections between the plurality of gate lines and the plurality of source lines, a polarity signal generation circuit that generates a polarity signal corresponding to a frame inversion signal to be repeatedly alternately inverted between a first level and a second level different from the first level for each frame in the display area, and generates a polarity signal corresponding to a fixed signal fixed at one of the first level and the second level in the non-display area, a storage capacitor line driving circuit that changes the potentials of the storage capacitor lines depending on the polarity signal generated by the polarity signal generation circuit, and a control circuit that changes the display area at a timing according to the frame inversion signal.
    • 液晶显示器选择性地以显示面板的全屏被设置为显示区域的全屏显示模式和部分显示模式中的一种操作,其中全屏的部分区域被设置为 显示区域和剩余区域被设置为非显示区域。 液晶显示器包括:多条栅极线,多条源极线,与多个栅极线对应设置的多个保持电容配线;多个栅极线设置在多个栅极线 以及所述多个源极线,极性信号生成电路,其在与所述显示区域中的每一帧的所述第一电平不同的第一电平和与所述第一电平不同的第二电平之间重复地交替地反转与帧反转信号相对应的极性信号,以及 产生与固定在非显示区域中的第一电平和第二电平中的一个固定信号相对应的极性信号;辅助电容线驱动电路,其根据由所述非显示区域产生的极性信号改变辅助电容线的电位; 极性信号发生电路,以及根据帧内的定时改变显示区域的控制电路 rsion信号。
    • 10. 发明授权
    • Electro-optical device, driving circuit thereof, driving method thereof, and electronic apparatus using electro-optical device
    • 电光装置,其驱动电路,驱动方法以及使用电光装置的电子装置
    • US07439967B2
    • 2008-10-21
    • US10949743
    • 2004-09-24
    • Kenichi TajiriSatoshi Yatabe
    • Kenichi TajiriSatoshi Yatabe
    • G06F3/038
    • G09G3/367G09G3/3692G09G2300/0885G09G2310/06
    • An electro-optical device includes pixels provided at intersections of a plurality of scanning lines and a plurality of data lines, a scanning line driving circuit for applying a selected voltage to the respective scanning lines, and a data line driving circuit for applying a turning-on voltage or a turning-off voltage to the respective data lines. The data line driving circuit alternately changes between leading-edge driving including applying the turning-on voltage to a data line corresponding to one of the pixels in a period from the starting point of a period when the selected voltage is applied to the scanning line corresponding to the pixel to the point of time after the lapse of time corresponding to the gray scale of the corresponding pixel and trailing-edge driving including applying the turning-on voltage to the data line corresponding to the pixel in a period from a point of time preceding the final point of the period when the selected voltage is applied to the scanning line corresponding to the pixel by the length of time corresponding to the gray scale of the corresponding pixel to the final point.
    • 电光装置包括设置在多条扫描线和多条数据线的交点处的像素,用于向各扫描线施加选定电压的扫描线驱动电路,以及数据线驱动电路, 导通电压或关断电压。 数据线驱动电路在从选择的电压施加到对应于扫描线的周期的起始点的期间的周期内,将包括施加导通电压的前沿驱动与对应于像素中的一个像素的数据线交替地变化 将像素延迟到对应于相应像素和后沿驱动的灰度的时间经过之后的时间点,包括在从时间点开始的时间段内对与该像素相对应的数据线施加导通电压 在所选择的电压被施加到对应于该像素的扫描线的时间段的最后点之前在对应于相应像素的灰度的时间长度到最终点。