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公开(公告)号：US07719506B2
公开(公告)日：2010-05-18
申请号：US11398939
申请日：2006-04-05
IPC分类号： G09G3/36
CPC分类号： G09G3/3611 , G09G3/20 , G09G3/3685 , G09G3/3688 , G09G3/3696 , G09G2310/0275
摘要： A display device includes a display panel including a bus line section; and at least one driver for driving the bus line section included in the display panel. Each of the at least one driver includes an amplifier for generating a non-driving signal based on an input signal, the non-driving signal not contributing to driving of the bus line section.
摘要翻译： 显示装置包括：显示面板，包括总线部分; 以及用于驱动包括在显示面板中的总线部分的至少一个驱动器。 所述至少一个驱动器中的每个驱动器包括用于基于输入信号产生非驱动信号的放大器，所述非驱动信号对总线线路部分的驱动无贡献。
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公开(公告)号：US20090121990A1
公开(公告)日：2009-05-14
申请号：US11883714
申请日：2006-03-06
申请人： Hiroaki Shigeta , Taketoshi Nakano
发明人： Hiroaki Shigeta , Taketoshi Nakano
IPC分类号： G09G3/36
CPC分类号： G09G3/3648 , G09G2320/0252 , G09G2320/0261 , G09G2340/16 , G09G2360/18
摘要： The present invention relates to liquid crystal display devices.An objective of the present invention is to reduce the size of the liquid crystal display devices, while suppressing moving images from being displayed in low quality.A threshold table (3) has stored therein thresholds for classifying gradation values, and the gradation values are classified into a plurality of gradation sections in accordance with the thresholds. A look-up table (2) has stored therein differential gradation values corresponding to combinations of gradation section values for data concerning the current frame data and gradation section values for data concerning an immediately preceding frame. A frame memory (21) has stored therein gradation section values for pixels. A control circuit (22) refers to the look-up table (2) and the threshold table (3) to calculate a differential gradation value based on a gradation value indicated by image data (DAT) for the current frame and a gradation section value of previous frame data stored in the frame memory (21). A display data calculation circuit (23) calculates an applied gradation value for the current frame data based on the differential gradation value.
摘要翻译： 本发明涉及液晶显示装置。 本发明的目的是在抑制运动图像以低质量显示的同时，减小液晶显示装置的尺寸。 阈值表（3）中存储有用于分级灰度值的阈值，并且根据阈值将灰度值分类为多个灰度部分。 查找表（2）存储了与当前帧数据有关的数据的灰度级值的组合和与前一帧相关的数据的灰度级值对应的差分灰度值。 帧存储器（21）中存储有用于像素的灰度部分值。 控制电路（22）参考查找表（2）和阈值表（3），以基于由当前帧的图像数据（DAT）表示的灰度值和灰度级值来计算差分灰度值 存储在帧存储器（21）中的先前帧数据。 显示数据计算电路（23）基于差分灰度值计算当前帧数据的应用灰度值。
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3.发明授权公开(公告)号：US07385580B2
公开(公告)日：2008-06-10
申请号：US10660567
申请日：2003-09-12
申请人： Kouji Saitou , Toshihiro Yanagi , Taketoshi Nakano
发明人： Kouji Saitou , Toshihiro Yanagi , Taketoshi Nakano
CPC分类号： G09G3/3696 , G09G3/3648 , G09G3/367 , G09G2300/0456 , G09G2320/0247
摘要： A liquid crystal display device includes a liquid crystal display panel, a row electrode drive circuit (scanning signal line drive circuit), a column electrode drive circuit (source signal line drive circuit), a power supply circuit, a common electrode drive circuit, and a memory (storage means). The memory stores the respective optimum applied voltages for the source electrode corresponding to display modes of the liquid crystal display device, a reflective mode and a transmissive mode. With the above arrangement, in the case where the display mode is switched among a plurality of display modes, the above active matrix display device can reset an optimum applied voltage for a common electrode or a source electrode in accordance with each of the display modes to suppress the occurrence of flickers, thus allowing the display device to maintain a high quality of display all the time.
摘要翻译： 液晶显示装置包括液晶显示面板，行电极驱动电路（扫描信号线驱动电路），列电极驱动电路（源极信号线驱动电路），电源电路，公共电极驱动电路以及 存储器（存储装置）。 存储器存储与液晶显示装置的显示模式对应的源电极的各个最佳施加电压，反射模式和透射模式。 通过上述结构，在显示模式在多个显示模式之间切换的情况下，上述有源矩阵显示装置可以根据每个显示模式将公共电极或源电极的最佳施加电压复位为 抑制闪烁的发生，从而允许显示设备始终保持高质量的显示。
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公开(公告)号：US07262756B2
公开(公告)日：2007-08-28
申请号：US10670237
申请日：2003-09-26
IPC分类号： G09G3/36
CPC分类号： G03B21/56
摘要： The present invention is so arranged as to include (a) gradation reference potential generating means including a group of output terminals whose voltages are determined in accordance with a voltage division ratio of one ladder resistor, so as to output gradation reference potentials, for example, of 1024, which is a 16 multiple of a required 64-gradations; (b) output terminal designating means including a memory for designating, among from the output terminals, an output terminal for each of the 64-gradations required, in accordance with the display modes; and (c) selecting means for selecting an output terminal that corresponds to an input gradation signal, among from the output terminals designated by the output terminal designating section, and for applying a voltage via the thus selected output terminal to a display screen. With this arrangement, it is possible to attain very similar gradient signal-brightness characteristics for respective display modes with high accuracy, in order to prevent a gradient display from being changed due to switchover of the display modes.
摘要翻译： 本发明被设置为包括（a）包括一组输出端子的灰度参考电位产生装置，该组输出端子的电压根据一个梯形电阻器的分压比确定，以输出灰度参考电位，例如， 为1024，这是所需64级的16倍; （b）输出端子指定装置，包括存储器，用于根据显示模式从输出端子中指定所需的64个等级中的每一个的输出端子; 以及（c）从输出端子指定部分指定的输出端子中选择与输入灰度信号相对应的输出端子的选择装置，以及通过这样选择的输出端子将电压施加到显示屏幕。 通过这种布置，为了防止由于显示模式的切换而改变梯度显示，可以高精度地获得各种显示模式的非常相似的梯度信号亮度特性。
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公开(公告)号：US07233324B2
公开(公告)日：2007-06-19
申请号：US10694828
申请日：2003-10-29
摘要： A display device is provided with a display panel, and a source driver and a gate driver both for driving the display panel and includes a nonvolatile memory for storing a test sequence representing the procedures for a display test and testing patterns to be displayed in the display test and a control section for, in accordance with a test control signal supplied externally, controlling the source driver and the gate driver so as to display the testing patterns on the display panel in accordance with the test sequence. Since the test sequence and the testing patterns are stored in the nonvolatile memory of the display device, this eliminates the need for cumbersome and extensive tasks of preparing testing devices respectively corresponding to the models of the display device and a great number of complex data of the test sequence and the testing pattern which are respectively suitable for the models of the display device and storing them in the testing devices, respectively. That is, it is possible to drastically reduce preparations for a display test.
摘要翻译： 显示装置设置有显示面板，以及用于驱动显示面板的源极驱动器和栅极驱动器，并且包括非易失性存储器，用于存储表示要显示在显示器中的显示测试和测试图案的程序的测试序列 测试和控制部分，用于根据外部提供的测试控制信号，控制源驱动器和栅极驱动器，以便根据测试顺序在显示面板上显示测试图案。 由于测试顺序和测试模式存储在显示设备的非易失性存储器中，因此不需要分别对应于显示设备的模型的准备测试设备和大量复杂数据的繁琐和广泛的任务 测试顺序和测试模式分别适用于显示设备的型号并将其存储在测试设备中。 也就是说，可以大幅减少显示测试的准备。
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公开(公告)号：US07215309B2
公开(公告)日：2007-05-08
申请号：US10803997
申请日：2004-03-19
申请人： Asahi Yamato , Taketoshi Nakano , Toshihiro Yanagi
发明人： Asahi Yamato , Taketoshi Nakano , Toshihiro Yanagi
IPC分类号： G09G3/36
CPC分类号： G09G3/3614 , G09G2300/0809 , G09G2310/0224 , G09G2320/0247 , G09G2330/021
摘要： In a liquid crystal display device, a first skipping scanning process is performed by activating the scanning signals G(1), G(3) and G(5) corresponding to the odd-numbered rows in a pixel matrix made of numerous pixel formation portions in that order in a first half-period of a given frame, and voltages corresponding to the pixel values to be written into the pixel formation portions of the odd-numbered rows of the pixel matrix are applied to the video signal lines as positive-polarity video signals. In a second half-period of that frame, a second skipping scanning process is performed by activating the scanning signals G(2), G(4) and G(6) corresponding to the even-numbered rows in the pixel matrix in that order, and voltages corresponding to the pixel values to be written into the pixel formation portions of the even-numbered rows of the pixel matrix are applied to the video signal lines as negative-polarity video signals. Thus, line inversion driving is accomplished.
摘要翻译： 在液晶显示装置中，通过在由多个像素形成部分构成的像素矩阵中激活对应于奇数行的扫描信号G（1），G（3）和G（5）来执行第一跳跃扫描处理 在给定帧的第一半周期中以与要写入像素矩阵的奇数行的像素形成部分的像素值相对应的电压被施加到视频信号线作为正极性 视频信号。 在该帧的后半段中，通过按照该顺序激活对应于像素矩阵中的偶数行的扫描信号G（2），G（4）和G（6）来执行第二次跳过扫描处理 ，并且将要写入像素矩阵的偶数行的像素形成部分的像素值的电压作为负极性视频信号施加到视频信号线。 因此，实现线路反转驱动。
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公开(公告)号：US07113180B2
公开(公告)日：2006-09-26
申请号：US09911780
申请日：2001-07-24
IPC分类号： G09G5/00
CPC分类号： G09G5/006 , G09G3/20 , G09G3/3688 , G09G2310/0275 , G09G2370/08
摘要： A plurality of column electrode driving circuits is used in a matrix type display device including a plurality of row electrode driving circuits each for driving a plurality of row electrodes and the plurality of column electrode driving circuits each for driving a plurality of column electrodes. Each of the plurality of column electrode driving circuits includes a data input section for receiving a control data signal for the plurality of column electrodes; a timing control section for generating a timing control signal for controlling at least one of the row electrode driving circuit and the column electrode driving circuit; a selection section for selecting one of a signal in synchronization with the timing signal generated by the timing control section and the control data signal input to the data input section, based on the control data signal input to the data input section; and a data output section for outputting one of the signal in synchronization with the timing signal and the control data signal which is selected by the selection section. The data input section of a second column electrode driving circuit of the plurality of column electrode driving circuits is connected to the data output section of a first column electrode driving circuit of the plurality of column electrode driving circuits, and the data output section of the second column electrode driving circuit is connected to the data input section of a third column electrode driving circuit of the plurality of column electrode driving circuits.
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公开(公告)号：US09183789B2
公开(公告)日：2015-11-10
申请号：US14009153
申请日：2012-04-03
CPC分类号： G09G3/3406 , G09G3/3611 , G09G2320/062 , G09G2320/0646 , G09G2340/0428 , G09G2360/144 , G09G2360/16
摘要： Provided is a display device capable of properly controlling a luminance of a backlight on the basis of a plurality of factors. The display device is a display device (10) which includes a BL luminance control signal generating block (44) for generating a BL luminance control signal for controlling a luminance of a backlight unit (30). The BL luminance control signal generating block (44) (i) receives a plurality of BL luminance parameters regarding the luminance of the backlight unit (30), (ii) carries out a calculation process with respect to the plurality of BL luminance parameters and (iii) generates the BL luminance control signal on the basis of a result of the calculation process.
摘要翻译： 提供了能够基于多个因素适当地控制背光的亮度的显示装置。 显示装置是包括BL亮度控制信号生成块（44）的显示装置（10），用于生成用于控制背光单元（30）的亮度的BL亮度控制信号。 BL亮度控制信号生成块（44）（i）接收关于背光单元（30）的亮度的多个BL亮度参数，（ii）对多个BL亮度参数进行计算处理， iii）基于计算处理的结果生成BL亮度控制信号。
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公开(公告)号：US20140168197A1
公开(公告)日：2014-06-19
申请号：US14232714
申请日：2012-08-07
CPC分类号： G09G3/3648 , G09G3/2096 , G09G3/3666 , G09G2330/021 , G09G2330/022 , G09G2340/0435 , G09G2370/14
摘要： Provided is a display system (1) capable of further reducing electric power consumption. The display system (1) includes: a host device (2) including transceivers (Tx1, Tx2); a display device (3) including receivers (Rx1, Rx2); a plurality of interfaces (IF1, IF2) for transmitting image data from the transceivers (Tx1, Tx2) to the receivers (Rx1, Rx2); changing means for changing the number of transmission lanes to be used by each of the plurality of interfaces (IF1, IF2); and a display panel (5) provided in the display device (3). Each of the interfaces (IF1, IF2) transmits the image data at an identical transmission rate irrespective of the number of the transmission lanes to be used. The display panel (5) displays an image indicated by the image data, at a frame rate corresponding to the total number of the transmission lanes to be used by the each of the interfaces (IF1, IF2).
摘要翻译： 提供能够进一步降低电力消耗的显示系统（1）。 显示系统（1）包括：主机设备（2），包括收发器（Tx1，Tx2）; 显示装置（3），包括接收器（Rx1，Rx2）; 用于从收发机（Tx1，Tx2）向接收机（Rx1，Rx2）发送图像数据的多个接口（IF1，IF2）; 改变装置，用于改变多个接口（IF1，IF2）中的每一个要使用的传输通道的数量; 以及设置在所述显示装置（3）中的显示面板（5）。 每个接口（IF1，IF2）以与要使用的传输通道的数量无关地以相同的传输速率发送图像数据。 显示面板（5）以对应于每个接口（IF1，IF2）使用的传输通道的总数的帧速率显示由图像数据指示的图像。
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10.发明授权Driving circuit for color image display and display device provided with the same 有权用于彩色图像显示和显示装置的驱动电路公开(公告)号：US07411596B2
公开(公告)日：2008-08-12
申请号：US10819274
申请日：2004-04-07
申请人： Ken Inada , Taketoshi Nakano , Toshihiro Yanagi
发明人： Ken Inada , Taketoshi Nakano , Toshihiro Yanagi
IPC分类号： G09G5/10
CPC分类号： G09G3/3688 , G09G2310/0297 , G09G2320/0242 , G09G2320/0673
摘要： In a gradation voltage generation circuit used in a video signal line driving circuit for driving video signal lines of a liquid crystal display device by time division based on switching control signals, a first variable resistor circuit is connected between one terminal of a voltage divider circuit for generating a gradation voltage group and a power source line for supplying a high-level voltage, and a second variable resistor circuit is connected between the other terminal of the voltage divider circuit and a power source line for supplying a low-level voltage. The resistances of the variable resistor circuits are switched based on the switching control signal. Thus, in the periods in which the video signal lines respectively connected to R, G and B pixel formation portions are driven, gradation voltages that are adapted to the gradation reproducibility for R, G and B are outputted respectively.
摘要翻译： 在用于通过基于切换控制信号分时驱动液晶显示装置的视频信号线的视频信号线驱动电路中使用的灰度电压产生电路中，第一可变电阻电路连接在分压电路的一个端子 产生用于提供高电平电压的灰度电压组和电源线，并且第二可变电阻电路连接在分压器电路的另一个端子和用于提供低电平电压的电源线之间。 基于开关控制信号切换可变电阻电路的电阻。 因此，在分别连接到R，G和B像素形成部分的视频信号线被驱动的时段中，分别输出适用于R，G和B的灰度再现性的灰度电压。
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