公开(公告)号：US6160533A

公开(公告)日：2000-12-12

申请号：US659750

申请日：1996-06-06

申请人： Shigeki Tamai ,  Tomoaki Nakao

发明人： Shigeki Tamai ,  Tomoaki Nakao

IPC分类号： G02F1/133 ,  G09G3/20 ,  G09G3/36

CPC分类号： G09G3/2011 ,  G09G3/3688 ,  G09G3/3696 ,  G09G2310/0259 ,  G09G2310/027 ,  G09G2310/066

摘要： A reference voltage having a plurality of voltage levels which increase stepwise over time is supplied to source lines on a display panel through a plurality of analog switches. A value representing a number of gradation display data levels for the source lines during a horizontal scanning period is supplied as one input in to a comparison circuit. A count registered by a counter and representing a gradation clock signal is supplied as a second input. Where the count is less than the value, the analog switches remain conducted. Once the count equals to or exceeds the value, the analog switches are cut off, thus enabling the supplied reference voltage to be applied as a driving voltage to a pair of pixel electrodes. The driving voltage corresponds to the number of gradation display data levels and is held constant at the pixel electrodes for the remaining horizontal scanning period.

摘要翻译： 具有随着时间逐步增加的多个电压电平的参考电压通过多个模拟开关提供给显示面板上的源极线。 将表示水平扫描期间的源极线的灰度显示数据电平的值的值作为一个输入提供给比较电路。 作为第二输入，提供由计数器登记并表示灰度时钟信号的计数。 计数小于该值时，模拟开关保持导通。 一旦计数等于或超过该值，则模拟开关被切断，从而使提供的参考电压作为驱动电压施加到一对像素电极。 驱动电压对应于灰度显示数据电平的数量，并且在剩余的水平扫描周期的像素电极处保持恒定。

公开(公告)号：US06191471B1

公开(公告)日：2001-02-20

申请号：US09377060

申请日：1999-08-19

申请人： Shigeki Tamai ,  Seijirou Gyouten

发明人： Shigeki Tamai ,  Seijirou Gyouten

IPC分类号： H01R43055

CPC分类号： H05K1/118 ,  G02F1/13452 ,  H01L2924/0002 ,  H01R12/7076 ,  H01L2924/00

摘要： A tape carrier package is provided with a first region which includes a plurality of input leads for transmitting an input signal between a liquid crystal driver IC chip and a section external to the tape carrier package, and a second region which includes signal transmitting wires for transmitting an input signal among a plurality of the input leads, on one of the surfaces of a tape substrate. Further, in the tape substrate, a folding slit is formed along a boundary between the first region and the second region. The tape substrate is folded into 180 degrees along the folding slit serving as a fold so as to electrically connect a plurality of the input leads and the signal transmitting wires. This arrangement makes it possible to prevent a voltage drop caused by wire resistance.

摘要翻译： 一种载带封装设置有第一区域，该第一区域包括多个输入引线，用于在液晶驱动器IC芯片和载带封装外部之间传输输入信号，第二区域包括用于传输的信号传输线 多个输入引线之间的输入信号，在带基片的一个表面上。 此外，在带状基板中，沿着第一区域和第二区域之间的边界形成折叠狭缝。 带状基板沿着折叠缝折叠成180度，用作折叠，以便电连接多个输入引线和信号传输线。 这种布置使得可以防止由导线电阻引起的电压降。

公开(公告)号：US06819387B1

公开(公告)日：2004-11-16

申请号：US09472816

申请日：1999-12-28

申请人： Shigeki Tamai

发明人： Shigeki Tamai

IPC分类号： G02F11345

CPC分类号： H05K1/028 ,  G02F1/13452 ,  H05K2201/0394 ,  H05K2201/10681

摘要： There are provided a liquid-crystal-panel driver IC package which can be mounted compactly on a liquid crystal panel without using any fixing jigs, as well as a liquid crystal panel module which can be downsized by reducing its picture-frame size. First, second glass substrates 31, 32 are laminated together with a specified spacing so as to seal liquid crystals therebetween, and to form a step region A. A plurality of liquid-crystal-panel driver IC TCPs each of which is bent at a bending slit and folded are continuously disposed so as to be arrayed along the step region A. Output leads of the liquid-crystal-panel driver IC TCPs are electrically connected to liquid-crystal driving wiring 35 provided in the step region A of the first, second glass substrates 31, 32. Then, input-lead side connecting slits of mutually adjoining liquid-crystal-panel driver IC TCPs are superimposed on each other, so that the input leads are electrically connected to each other by soldering or the like at the connecting slits.

摘要翻译： 提供了一种液晶面板驱动器IC封装，其可以紧凑地安装在液晶面板上而不使用任何固定夹具，以及可以通过减小其相框尺寸来缩小尺寸的液晶面板模块。 首先，将第二玻璃基板31,32以规定的间隔层叠在一起，以密封液晶，形成台阶区域A.多个弯曲弯曲的液晶面板驱动IC TCP 狭缝和折叠连续地布置成沿着台阶区域A排列。液晶面板驱动器IC TCP的输出引线电连接到设置在第一，第二的步骤区域A中的液晶驱动布线35 然后，相互邻接的液晶面板驱动器IC TCP的输入引线侧连接狭缝彼此重叠，使得输入引线在连接处通过焊接等彼此电连接 狭缝

公开(公告)号：US06697041B1

公开(公告)日：2004-02-24

申请号：US09477781

申请日：2000-01-05

申请人： Shigeki Tamai ,  Nobuhisa Sakaguchi

发明人： Shigeki Tamai ,  Nobuhisa Sakaguchi

IPC分类号： G09G336

CPC分类号： G09G3/3688 ,  G09G3/20 ,  G09G2310/027 ,  G09G2370/08

摘要： A display drive device of the present invention includes a plurality of cascade connected source driver LSI chips for driving a liquid crystal panel in accordance with an image data signal, and each of the source driver LSI chips includes: a shift register for shifting and transmitting a start pulse signal in synchronization with a clock signal; a sampling memory for sampling the image data signal in accordance with an output of the shift register; and a hold memory for latching a selected image data signal in accordance with a latch signal, wherein a delay circuit for generating the latch signal by delaying the start pulse signal supplied by the shift register in each of the source driver LSI chips is disposed. This arrangement enables the whole device, including a controller, etc., to be produced in a smaller size and at a lower cost.

摘要翻译： 本发明的显示驱动装置包括多个用于根据图像数据信号驱动液晶面板的级联连接的源极驱动器LSI芯片，并且每个源极驱动器LSI芯片包括：移位寄存器，用于移位和发送 启动脉冲信号与时钟信号同步; 采样存储器，用于根据移位寄存器的输出对图像数据信号进行采样; 以及保持存储器，用于根据锁存信号锁存所选择的图像数据信号，其中设置用于通过延迟由每个源极驱动器LSI芯片中的移位寄存器提供的开始脉冲信号来产生锁存信号的延迟电路。 这种布置使得能够以更小的尺寸和更低的成本生产包括控制器等的整个设备。

公开(公告)号：US06236393B1

公开(公告)日：2001-05-22

申请号：US09176102

申请日：1998-10-21

申请人： Yoshinori Ogawa ,  Takuya Watanabe ,  Shigeki Tamai

发明人： Yoshinori Ogawa ,  Takuya Watanabe ,  Shigeki Tamai

IPC分类号： G09G500

CPC分类号： G09G3/3688 ,  G09G3/3677 ,  G09G2310/027 ,  G09G2310/0289 ,  G09G2330/021 ,  G09G2370/08 ,  H03K5/003 ,  H03K5/082

摘要： An interface circuit which performs level shifting with respect to an inputted digital signal with a small amplitude and outputs a digital signal with a greater amplitude than that of the inputted digital signal is equipped with a filter circuit composed of a low-pass filter and a comparator circuit composed of a plurality of comparators. Digital signals with small amplitudes are supplied to non-inverting input terminals of the comparators, respectively, while a reference voltage signal which is obtained by filtering, through the filter circuit, one predetermined digital signal among the digital signals supplied to the non-inverting input terminals is supplied to every inverting input terminal of the comparators. By so doing, it is possible to provide an interface circuit and a liquid crystal driving circuit which ensure that EMI noise is reduced and various problems which tend to occur in the case where display data input lines increase in number is avoided.

摘要翻译： 对于具有小振幅的输入数字信号进行电平移位并输出幅度大于输入数字信号幅度的数字信号的接口电路配备有由低通滤波器和比较器组成的滤波电路 电路由多个比较器组成。 具有小幅度的数字信号分别提供给比较器的非反相输入端，而参考电压信号通过滤波电路通过滤波电路在提供给非反相输入端的数字信号中进行滤波而获得 端子被提供给比较器的每个反相输入端。 通过这样做，可以提供一种确保EMI噪声降低的接口电路和液晶驱动电路，避免了在显示数据输入线增加的情况下倾向于发生的各种问题。

公开(公告)号：US6002384A

公开(公告)日：1999-12-14

申请号：US671514

申请日：1996-06-27

申请人： Shigeki Tamai ,  Yoshinori Ogawa

发明人： Shigeki Tamai ,  Yoshinori Ogawa

IPC分类号： G02F1/133 ,  G09G3/20 ,  G09G3/36

CPC分类号： G09G3/3688 ,  G09G2310/027 ,  G09G3/2007

摘要： Input connection terminals of a source driver of an active matrix type liquid crystal display panel, and analog switches are reduced in number. Two of four reference voltages V0, V2, V5 and V7 are combined with each other to output, in total, three combinations (V0, V2), (V2, V5) and (V5, V7) to two reference voltage lines and in each one of three first time periods W1a, W1b and W1c. Analog switches ASW0 and ASW2 for generating voltage are interposed in the respective reference voltage lines. The analog switches are turned on and off under control based on 3-bit display data D0, D1 and D2 for 8-level gradation in second time periods W2 and W3, which are shorter than the first time period W1, within any one of the first time periods W1, whereby a vibrating voltage is supplied to the source lines. Positively utilizing a low pass filter function of the source line due to the capacity and the resistance of the source line, voltages are averaged.

摘要翻译： 有源矩阵型液晶显示面板的源极驱动器和模拟开关的输入连接端子数量减少。 四个参考电压V0，V2，V5和V7中的两个彼此组合，总共将三个组合（V0，V2），（V2，V5）和（V5，V7）输出到两个参考电压线，并且在每个 三个第一时间段W1a，W1b和W1c中的一个。 用于产生电压的模拟开关ASW0和ASW2插入各个参考电压线中。 在基于3位显示数据D0，D1和D2的情况下，在比第一时间段W1短的第二时间段W2和W3中的8级灰度的控制下，模拟开关被接通和关断， 第一时间段W1，从而向源极线提供振动电压。 由于源极线的容量和电阻，积极利用源极线的低通滤波器功能，对电压进行平均。

公开(公告)号：US5917238A

公开(公告)日：1999-06-29

申请号：US552622

申请日：1995-11-03

申请人： Shigeki Tamai

发明人： Shigeki Tamai

IPC分类号： G02F1/133 ,  G09G3/36 ,  H01L23/48

CPC分类号： G09G3/3688 ,  G09G2330/021 ,  H01L2924/0002

摘要： Power consumption in a liquid crystal display driver is reduced without degrading display quality of a liquid crystal display. Supply of unnecessary oscillation voltage to the liquid crystal display is stopped by turning off all analog switches AS.sub.0 -AS.sub.7 under the control of a signal TI at the moment when voltage applied to the liquid crystal display reaches a desired DC voltage corresponding to display data D.sub.0 -D.sub.2.

摘要翻译： 降低液晶显示驱动器的功耗而不降低液晶显示器的显示质量。 在施加到液晶显示器的电压达到对应于显示数据D0-的期望DC电压的时刻，通过在信号TI的控制下关闭所有模拟开关AS0-AS7来停止向液晶显示器供应不必要的振荡电压， D2。

公开(公告)号：US07474293B2

公开(公告)日：2009-01-06

申请号：US10271594

申请日：2002-10-17

申请人： Shigeki Tanaka ,  Shigeki Tamai

发明人： Shigeki Tanaka ,  Shigeki Tamai

IPC分类号： G09G3/36

CPC分类号： G09G3/3688 ,  G09G3/2011 ,  G09G3/3614 ,  G09G3/3648 ,  G09G3/3696 ,  G09G2310/027 ,  G09G2320/0204 ,  G09G2320/0223

摘要： A liquid crystal display apparatus drives an active-matrix liquid crystal panel by the use of the line reversal driving method. To do so, a common driver AC-drives one of a pair of electrode in each of all the pixels of the liquid crystal panel. An adding circuit obtains the sum of a plurality of gradation components for deciding the gradations of the pixels in one of the columns in the liquid crystal panel at intervals of the predetermined horizontal period. A voltage setting portion in a source driver corrects a reference voltage difference ΔVref on the basis of the sum at intervals of the horizontal period, divides the corrected reference voltage difference ΔVrefa, decides a plurality of gradation voltages, and selects voltages to be applied to a plurality of data lines in the liquid crystal panel from among the gradation voltages based on the plurality of gradation components. The selected plurality of voltages are applied to the plurality of data lines.

摘要翻译： 液晶显示装置通过使用线反转驱动方法驱动有源矩阵液晶面板。 为此，通用驱动器AC驱动液晶面板的所有像素中的每一个中的一对电极中的一个。 加法电路以预定水平周期的间隔获得用于决定液晶面板中的一列中的像素的灰度的多个灰度分量的和。 源极驱动器中的电压设定部根据水平周期的间隔的和来校正基准电压差DeltaVref，对校正的基准电压差DeltaVrefa进行分割，决定多个灰度电压，并选择施加到 基于多个灰度分量，从灰度级电压中的液晶面板中的多条数据线。 所选择的多个电压被施加到多条数据线。

公开(公告)号：US06538630B1

公开(公告)日：2003-03-25

申请号：US09274537

申请日：1999-03-23

申请人： Shigeki Tanaka ,  Shigeki Tamai

发明人： Shigeki Tanaka ,  Shigeki Tamai

IPC分类号： G09G336

CPC分类号： G09G3/3688 ,  G09G3/2011 ,  G09G3/3614 ,  G09G3/3648 ,  G09G3/3696 ,  G09G2310/027 ,  G09G2320/0204 ,  G09G2320/0223

摘要： A liquid crystal display apparatus drives an active-matrix liquid crystal panel by the use of the line reversal driving method. To do so, a common driver AC-drives one of a pair of electrode in each of all the pixels of the liquid crystal panel. An adding circuit obtains the sum of a plurality of gradation components for deciding the gradations of the pixels in one of the columns in the liquid crystal panel at intervals of the predetermined horizontal period. A voltage setting portion in a source driver corrects a reference voltage difference 66 Vref on the basis of the sum at intervals of the horizontal period, divides the corrected reference voltage difference 66 Vrefa, decides a plurality of gradation voltages, and selects voltages to be applied to a plurality of data lines in the liquid crystal panel from among the gradation voltages based on the plurality of gradation components. The selected plurality of voltages are applied to the plurality of data lines.

摘要翻译： 液晶显示装置通过使用线反转驱动方法驱动有源矩阵液晶面板。 为此，通用驱动器AC驱动液晶面板的所有像素中的每一个中的一对电极中的一个。 加法电路以预定水平周期的间隔获得用于决定液晶面板中的一列中的像素的灰度的多个灰度分量的和。 源极驱动器中的电压设定部分基于水平周期的间隔的和来校正参考电压差66 Vref，分配校正的参考电压差66Vrefa，确定多个灰度电压，并选择要施加的电压 基于所述多个灰度分量从所述灰度级电压中的所述液晶面板中的多条数据线。 所选择的多个电压被施加到多条数据线。

公开(公告)号：US06476789B1

公开(公告)日：2002-11-05

申请号：US09441200

申请日：1999-11-16

申请人： Nobuhisa Sakaguchi ,  Shigeki Tamai

发明人： Nobuhisa Sakaguchi ,  Shigeki Tamai

IPC分类号： G09G336

CPC分类号： G09G3/3688 ,  G09G3/3677 ,  G09G2310/027 ,  G09G2370/08

摘要： A system construction of semiconductor devices, in which a plurality of semiconductor devices of similar properties are cascaded, each of the semiconductor devices including a clock half-period delaying means which delays a propagation and a reference signal by a half period of the reference signal relative to the input signals before outputting the signals. The propagation signal and the reference signal are cascaded and propagated to the plurality of semiconductors.

摘要翻译： 一种半导体器件的系统结构，其中具有类似性质的多个半导体器件级联，每个半导体器件包括时钟半周期延迟装置，其将传播和参考信号延迟参考信号相对的一半周期 在输出信号之前输入信号。 传播信号和参考信号被级联并传播到多个半导体。