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公开(公告)号：US08013827B2
公开(公告)日：2011-09-06
申请号：US11806194
申请日：2007-05-30
CPC分类号： G09G3/3648 , G09G2300/0857 , G09G2310/0289 , G09G2310/08 , G09G2330/021
摘要： The present invention provides an image display device that is capable of reducing the power consumption. The total power consumption of a level shifter is reduced by using a pulse of an oscillator circuit as an enable signal of a level shifter for amplifying the enable signal to be supplied to a group of level shifters. The image display device includes an oscillator circuit, a first level shifter, and a plurality of second level shifters, which are mounted on a substrate and formed with thin-film transistors. The plurality of second level shifters each has a shutdown function for reducing the power consumption of the level shifters. The shutdown function of the first level shifter is controlled by an output pulse of the oscillator circuit. The shutdown function of the group of second level shifters is controlled by an output pulse of the first level shifter.
摘要翻译： 本发明提供能够降低功耗的图像显示装置。 通过使用振荡器电路的脉冲作为用于放大要提供给一组电平移位器的使能信号的电平移位器的使能信号来降低电平移位器的总功耗。 图像显示装置包括安装在基板上并形成有薄膜晶体管的振荡器电路，第一电平移位器和多个第二电平移位器。 多个第二电平移位器各自具有用于降低电平移位器的功耗的关断功能。 第一电平移位器的关断功能由振荡器电路的输出脉冲控制。 第二电平移位器组的关断功能由第一电平移位器的输出脉冲控制。
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公开(公告)号：US20080186291A1
公开(公告)日：2008-08-07
申请号：US11902740
申请日：2007-09-25
申请人： Katsumi Matsumoto , Kozo Yasuda , Hiroshi Kageyama
发明人： Katsumi Matsumoto , Kozo Yasuda , Hiroshi Kageyama
IPC分类号： G06F3/038
CPC分类号： G09G3/3688
摘要： The present invention is to prevent a capture error of display data caused by a delay due to a built-in driving circuit in a display device with a built-in driving circuit. The display device comprises: a display area having a plurality of sub pixels; and a driving circuit formed at the periphery of the display area; wherein the driving circuit includes: a first scanning circuit that performs scanning in a first direction; and a latch circuit which latches display data inputted from external based on a scanning output outputted from the first scanning circuit; wherein the driving circuit includes a timing correction circuit which corrects the timing of level change of the scanning output outputted from the first scanning circuit based on a display data synchronization clock inputted from external; wherein the latch circuit latches display data by means of a corrected scanning output outputted from the timing correction circuit; and wherein a transmission line up to the latch circuit of the display data and a transmission line up to the timing correction circuit of the display data synchronization clock are adjacently arranged.
摘要翻译： 本发明是为了防止在具有内置驱动电路的显示装置中由于内置驱动电路引起的延迟引起的显示数据的捕获误差。 显示装置包括：具有多个子像素的显示区域; 以及形成在所述显示区域的周围的驱动电路; 其中所述驱动电路包括：第一扫描电路，其沿第一方向执行扫描; 以及锁存电路，其基于从所述第一扫描电路输出的扫描输出来锁存从外部输入的显示数据; 其中驱动电路包括一个定时校正电路，该定时校正电路根据从外部输入的显示数据同步时钟校正从第一扫描电路输出的扫描输出的电平变化的定时; 其中所述锁存电路通过从所述定时校正电路输出的经校正的扫描输出来锁存显示数据; 并且其中直到直到显示数据的锁存电路的传输线和直到显示数据同步时钟的定时校正电路的传输线相邻布置。
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公开(公告)号：US20070279366A1
公开(公告)日：2007-12-06
申请号：US11806194
申请日：2007-05-30
IPC分类号： G09G3/36
CPC分类号： G09G3/3648 , G09G2300/0857 , G09G2310/0289 , G09G2310/08 , G09G2330/021
摘要： The present invention provides an image display device that is capable of reducing the power consumption. The total power consumption of a level shifter is reduced by using a pulse of an oscillator circuit as an enable signal of a level shifter for amplifying the enable signal to be supplied to a group of level shifters. The image display device includes an oscillator circuit, a first level shifter, and a plurality of second level shifters, which are mounted on a substrate and formed with thin-film transistors. The plurality of second level shifters each has a shutdown function for reducing the power consumption of the level shifters. The shutdown function of the first level shifter is controlled by an output pulse of the oscillator circuit. The shutdown function of the group of second level shifters is controlled by an output pulse of the first level shifter.
摘要翻译： 本发明提供能够降低功耗的图像显示装置。 通过使用振荡器电路的脉冲作为用于放大要提供给一组电平移位器的使能信号的电平移位器的使能信号来降低电平移位器的总功耗。 图像显示装置包括安装在基板上并形成有薄膜晶体管的振荡器电路，第一电平移位器和多个第二电平移位器。 多个第二电平移位器各自具有用于降低电平移位器的功耗的关断功能。 第一电平移位器的关断功能由振荡器电路的输出脉冲控制。 第二电平移位器组的关断功能由第一电平移位器的输出脉冲控制。
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公开(公告)号：US20070211012A1
公开(公告)日：2007-09-13
申请号：US11682903
申请日：2007-03-07
申请人： Kozo Yasuda , Katsumi Matsumoto , Toshio Miyazawa
发明人： Kozo Yasuda , Katsumi Matsumoto , Toshio Miyazawa
IPC分类号： G09G3/36
CPC分类号： G09G3/3685 , G09G2300/0408 , G09G2310/0289
摘要： In the display device which is used in a miniaturized portable equipment, when a drive circuit is also connected on the same substrate as pixels, an input signal of low voltage has a level thereof shifted even when the threshold value is large or fluctuated. The display device includes pixel electrodes, switching elements which supply video signals to the pixel electrodes, and a drive circuit which supplies the video signals to the switching elements on the same substrate, wherein the drive circuit includes a level shift circuit, the level shift circuit includes a transistor. In a state that the transistor assumes an ON state, when an input signal is inputted to a source terminal and the input signal is at a low voltage level, a drain terminal assumes a low voltage level. Further, even when the input signal is at a high voltage level equal to or lower than a threshold value, the drain terminal outputs a voltage equal to or more than the threshold value as a high level voltage.
摘要翻译： 在小型便携式设备中使用的显示装置中，当驱动电路也与像素连接在同一基板上时，即使阈值大或波动，低电压的输入信号也具有偏移电平。 显示装置包括像素电极，向像素电极提供视频信号的开关元件，以及将视频信号提供给同一基板上的开关元件的驱动电路，其中，驱动电路包括电平移位电路，电平移位电路 包括晶体管。 在晶体管处于导通状态的状态下，当输入信号被输入到源极端子并且输入信号处于低电压电平时，漏极端子呈现低电压电平。 此外，即使当输入信号处于等于或低于阈值的高电压电平时，漏极端子输出等于或大于阈值的电压作为高电平电压。
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公开(公告)号：US20070188433A1
公开(公告)日：2007-08-16
申请号：US11647255
申请日：2006-12-29
申请人： Kozo Yasuda , Katsumi Matsumoto , Toshio Miyazawa
发明人： Kozo Yasuda , Katsumi Matsumoto , Toshio Miyazawa
IPC分类号： G09G3/36
CPC分类号： G09G3/3655 , G09G3/2074 , G09G3/3614 , G09G2300/0842
摘要： A display device which stores display data for every display pixel can reduce the number of transistors which constitute 1 display pixel. In a display device which includes a display panel having a plurality of display pixels, video lines which apply video data to the display pixels and scanning lines which apply a scanning voltage to the display pixels, the display pixel includes: a capacitive element which holds a voltage corresponding to a value of the video data; a pixel electrode; a first transistor of a first conductive type which is connected between a first power source line and the pixel electrode and, at the same time, has a control electrode to which the voltage held in the capacitive element is applied; and a second transistor of a second conductive type different from the first conductive type which is connected between a second power source line and the pixel electrode and, at the same time, has a control electrode to which the voltage held in the capacitive element is applied. Here, a first voltage is supplied to the first power source line, and a second voltage is supplied to the second power source line. The second voltage is a voltage which is obtained by inverting the first voltage.
摘要翻译： 存储每个显示像素的显示数据的显示装置可以减少构成1个显示像素的晶体管的数量。 在包括具有多个显示像素的显示面板的显示装置中，显示像素施加视频数据的视频线和向显示像素施加扫描电压的扫描线，显示像素包括：电容元件，其保持 对应于视频数据的值的电压; 像素电极; 第一导电类型的第一晶体管，其连接在第一电源线和像素电极之间，并且同时具有施加保持在电容元件中的电压的控制电极; 以及与第一导电类型不同的第二导电类型的第二晶体管，其连接在第二电源线和像素电极之间，并且同时具有施加电容元件中保持的电压的控制电极 。 这里，第一电压被提供给第一电源线，并且第二电压被提供给第二电源线。 第二电压是通过反转第一电压而获得的电压。
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公开(公告)号：US20070001148A1
公开(公告)日：2007-01-04
申请号：US11477471
申请日：2006-06-30
申请人： Shigeo Adachi , Katsumi Matsumoto , Akira Ogura
发明人： Shigeo Adachi , Katsumi Matsumoto , Akira Ogura
IPC分类号： C09K19/30
CPC分类号： G02F1/136277 , G02F2001/13456
摘要： The present invention realizes a liquid crystal display device which can be driven with a low voltage while preventing the degradation of liquid crystal by reducing a residual charge of a pixel electrode even when a drive circuit is abnormally stopped. As a field effect transistor which is formed on a pixel, a field effect transistor in a depletion mode which is turned on in a state that an OFF signal is not applied to a gate terminal of the transistor is used. A substrate voltage supply line which supplies a substrate voltage to pixel regions is provided, and the substrate voltage is supplied via a through hole formed in the pixel portion thus controlling an optimum threshold value in response to an input signal. Wiring is made in a peripheral portion of a display region such that video signal lines and the substrate voltage supply line intersect each other.
摘要翻译： 本发明实现了即使在驱动电路异常停止的情况下，也可以通过减少像素电极的残留电荷来防止液晶的劣化，而能够以低电压驱动的液晶显示装置。 作为在像素上形成的场效应晶体管，使用在OFF信号未施加到晶体管的栅极端子的状态下导通的耗尽型场效应晶体管。 提供了向像素区域提供衬底电压的衬底电压供给线，并且通过形成在像素部中的通孔提供衬底电压，从而响应于输入信号控制最佳阈值。 在显示区域的周边部分进行布线，使得视频信号线和基板电压供应线彼此相交。
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公开(公告)号：US20050104835A1
公开(公告)日：2005-05-19
申请号：US10991435
申请日：2004-11-19
CPC分类号： G09G3/3614 , G09G3/2018 , G09G3/3648 , G09G2320/0247 , G09G2320/0257 , G09G2320/029 , G09G2360/145
摘要： A method for driving a liquid crystal display device that decreases a sticking of the display image. The liquid crystal display device includes a pixel electrode and a counter electrode. A polarity of the signal supplied to the pixel electrode is periodically inverted at the first period and the second period. The length of the first period is different from that of the second period.
摘要翻译： 一种用于驱动减少显示图像粘附的液晶显示装置的方法。 液晶显示装置包括像素电极和对置电极。 提供给像素电极的信号的极性在第一周期和第二周期周期性地反转。 第一期的长度与第二期的长度不同。
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28.发明申请公开(公告)号：US20050024312A1
公开(公告)日：2005-02-03
申请号：US10933380
申请日：2004-09-03
CPC分类号： G09G3/2011 , G09G3/3611 , G09G3/3688 , G09G2300/0408 , G09G2300/0426 , G09G2310/0232 , G09G2310/0259 , G09G2310/027 , G09G2310/0283 , G09G2320/0233
摘要： A liquid crystal display device having a plurality of pixels arranged in a matrix, a plurality of video signal lines for supplying video signal voltages to the plurality of pixels, and a drive circuit which selects a voltage level of a gray scale voltage varying periodically as one of the video signal voltages corresponding to display data to be supplied to one of the plurality of pixels. The drive circuit has a plurality of series combinations of plural processing circuits, wherein each of the plurality of series combinations of plural processing circuits corresponds to one of the plurality of video signal lines, and each of the plural processing circuits comprises a parallel combination of a first switching element and a second switching element. The first and second switching elements are made operative or inoperative as a switch in accordance with different conditions.
摘要翻译： 一种液晶显示装置，具有以矩阵形式排列的多个像素，多个用于向多个像素提供视频信号电压的视频信号线;以及驱动电路，其选择周期性地变化为一个的灰度级电压的电压电平 对应于要提供给多个像素之一的显示数据的视频信号电压。 驱动电路具有多个处理电路的多个串联组合，其中多个处理电路的多个串联组合中的每一个对应于多个视频信号线之一，并且多个处理电路中的每一个包括 第一开关元件和第二开关元件。 根据不同的条件，第一和第二开关元件作为开关被操作或不起作用。
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公开(公告)号：US06304308B1
公开(公告)日：2001-10-16
申请号：US09370245
申请日：1999-08-09
IPC分类号： G02F11339
CPC分类号： G02F1/133512 , G02F1/13394 , G02F2203/02
摘要： Eliminating differences in cell gap of a liquid crystal panel is effected to prevent display irregularities while avoiding contamination of the liquid crystal material due to unwanted contact of a seal material with the liquid crystal material. To this end, the liquid crystal panel includes a first substrate DSUB having multiple pixel electrodes AL-P in the form of a matrix, a second substrate USUB opposing the first substrate with a specified gap therebetween and having one or more transparent electrodes ITO-C, a liquid crystal layer LC made of a liquid crystal material sealed in the gap between the opposing substrates, and an alignment film on at least one of inner surfaces of the first and second substrates in contact with the liquid crystal layer for controlling alignment of the liquid crystal material. A plurality of pole-like spacers SPC-P are provided in a display area of the first substrate DSUB for retaining the gap between the first and second substrates DSUB, USUB at a predefined value while providing a band or strip-like spacer SPC-S that is made of the same material as that of the pole-like spacers and is formed to surround the display area and also has a width greater than the diameter of the pole spacers along with a sealing material SL filled along the outer edges of the strip spacer SPC-S for allowing the first substrate DSUB and the second substrate USUB to be tightly bonded together.
摘要翻译： 消除液晶面板的单元间隙的差异，以防止显示不规则，同时避免由于密封材料与液晶材料的不期望的接触而导致的液晶材料的污染。 为此，液晶面板包括具有矩阵形状的多个像素电极AL-P的第一衬底DSUB，与第一衬底相对的第二衬底USUB，并且具有一个或多个透明电极ITO-C 由密封在相对基板之间的间隙中的液晶材料制成的液晶层LC和与液晶层接触的第一和第二基板的至少一个内表面上的取向膜，用于控制 液晶材料。 在第一基板DSUB的显示区域中设置多个极性间隔件SPC-P，用于以预定值保持第一和第二基板DSUB，USUB之间的间隙，同时提供带状或带状间隔件SPC-S 其由与柱状隔离物相同的材料制成，并且形成为围绕显示区域并且还具有大于极间隔物的直径的宽度以及沿着条带的外边缘填充的密封材料SL 用于允许第一衬底DSUB和第二衬底USUB紧密结合在一起的间隔件SPC-S。
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30.发明授权Liquid crystal display apparatus including scanning circuit having bidirectional shift register stages 有权液晶显示装置，包括具有双向移位寄存器级的扫描电路公开(公告)号：US06232939B1
公开(公告)日：2001-05-15
申请号：US09188110
申请日：1998-11-09
申请人： Katsutoshi Saito , Hideo Sato , Iwao Takemoto , Katsumi Matsumoto
发明人： Katsutoshi Saito , Hideo Sato , Iwao Takemoto , Katsumi Matsumoto
IPC分类号： G09G336
CPC分类号： G09G3/3688 , G09G3/20 , G09G3/3677 , G09G2310/0283 , G09G2310/0297
摘要： A liquid crystal display apparatus has horizontal and vertical scanning circuits for scanning an array of pixels. An image signal applied to an image signal supply circuit in the form of series of pixel signals is transferred to pixels in the array of pixels designated by the horizontal and vertical scanning circuits. Each of the horizontal and vertical scanning circuits have a series connection of bidirectional shift register stages and are capable of bidirectional scanning. Each of the bidirectional shift register stages includes a pair of latches connected in tandem and is capable of providing an intermediate output and a shift register stage output. The pair of latches of each of the bidirectional shift register stages except those located at both ends of the series connection have respective intermediate and bidirectional shift register stage outputs contributing to designation of pixels to which pixel signals are to be supplied, while the pair of latches of the shift register stages located at each end of the series connection have their bidirectional shift register stage outputs contributing to such designation of pixels and their intermediate output terminals not contributing to such designation of pixels.
摘要翻译： 液晶显示装置具有用于扫描像素阵列的水平和垂直扫描电路。 以像素信号的一系列形式施加到图像信号供给电路的图像信号被传送到由水平和垂直扫描电路指定的像素阵列中的像素。 水平和垂直扫描电路中的每一个具有双向移位寄存器级的串联连接，并且能够进行双向扫描。 每个双向移位寄存器级包括串联连接的一对锁存器，并且能够提供中间输出和移位寄存器级输出。 每个双向移位寄存器级的对锁存器除了位于串联连接的两端的两个锁存器具有各自的中间和双向移位寄存器级输出，有助于指定要提供像素信号的像素，而该对锁存器 位于串联连接的每一端的移位寄存器级具有它们的双向移位寄存器级输出，有助于像素的这种指定和它们的中间输出端子，这对像素的这种指定没有贡献。
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