公开(公告)号：US07724266B2

公开(公告)日：2010-05-25

申请号：US11556431

申请日：2006-11-03

Applicant: Hiroki Aizawa ,  Minoru Yoneda ,  Toshimasa Otsuki ,  Kazuhiko Yamauchi

Inventor： Hiroki Aizawa ,  Minoru Yoneda ,  Toshimasa Otsuki ,  Kazuhiko Yamauchi

IPC: G06K9/36 ,  G06K9/40 ,  G09G5/00 ,  G06F17/00 ,  G06T1/00

CPC classification number: G09G3/3648 ,  G09G2320/0252 ,  G09G2320/0261 ,  G09G2340/16

Abstract: An image display adjusting device wherein a difference portion obtains a difference between an input signal f0 preceding by one frame as an input signal f1 held by one frame by a memory portion and a current input signal f1, a multiplication portion 106 multiplies this difference signal (f1−f0) by a highlight coefficient α, and an addition portion 107 adds a multiplication output signal α (f1−f0) thereof as correction data to the current input signal f1 to obtain an output signal having its responsiveness improved, the device provided with highlight coefficient controlling portions for performing predetermined decoding by inputting the input signal f1 or the difference signal (f1−f0) and converting it to a signal having a change characteristic different from that signal and outputting a highlight coefficient α adapted to the input signal or the difference signal by using that decode value.

Abstract translation: 一种图像显示调整装置，其中差分部分获取前一帧的输入信号f0之间的差值作为由存储器部分保持一帧的输入信号f1和当前输入信号f1，乘法部分106将该差分信号 f1-f0），加法部分107将作为校正数据的乘法输出信号α（f1-f0）加到当前输入信号f1上，以获得其响应性提高的输出信号， 高亮度系数控制部分，用于通过输入输入信号f1或差分信号（f1-f0）进行预定的解码，并将其转换成具有与该信号不同的变化特性的信号，并输出适合于输入信号或 差分信号通过使用该解码值。

公开(公告)号：US20070139297A1

公开(公告)日：2007-06-21

申请号：US11704913

申请日：2007-02-12

Applicant: Yasuyuki Kudo ,  Toshimitsu Matsudo ,  Kazuo Okado ,  Hiroki Aizawa

Inventor： Yasuyuki Kudo ,  Toshimitsu Matsudo ,  Kazuo Okado ,  Hiroki Aizawa

IPC: G09G5/00

CPC classification number: G06F3/147 ,  G06F3/1423 ,  G09G3/3611 ,  G09G2330/021 ,  H04M2250/16 ,  Y10S248/917 ,  Y10S248/918 ,  Y10S345/905

Abstract: A display device mounted on an outside device includes a first display panel, a second display panel, a data driver applying a tone voltage through a common data line, and a scan driver applying a scan signal to the first and second display panels through a scan line for each of the first and second display panels. The display device selects a first display mode or a second display mode in accordance with an instruction from the outside device. The first display mode provides that the first display panel indicates a display state and the second display panel indicates a non-display state, and the second display mode provides that the first display panel indicates the non-display state and the second display panel indicates the display state.

Abstract translation: 安装在外部装置上的显示装置包括第一显示面板，第二显示面板，通过公共数据线施加音调电压的数据驱动器，以及扫描驱动器，通过扫描对第一和第二显示面板施加扫描信号 用于第一和第二显示面板中的每一个。 显示装置根据来自外部装置的指示来选择第一显示模式或第二显示模式。 第一显示模式提供第一显示面板指示显示状态，第二显示面板指示非显示状态，第二显示模式规定第一显示面板指示非显示状态，第二显示面板指示第二显示面板 显示状态。

公开(公告)号：US20070120811A1

公开(公告)日：2007-05-31

申请号：US11699420

申请日：2007-01-30

Applicant: Yasuyuki Kudo ,  Kazuo Okado ,  Hiroki Aizawa

Inventor： Yasuyuki Kudo ,  Kazuo Okado ,  Hiroki Aizawa

IPC: G09G3/36

CPC classification number: G06F3/1423 ,  G06F3/147 ,  G09G3/3611

Abstract: A display driver used in common for a first screen and a second screen. The display driver includes a data line drive circuit which supplies gray scale voltages to the first and second screens in accordance with display data via data lines in common for the first and second screens, and a scan line drive circuit which supplies scan signals to the first and second screens via scan lines, with the scan lines in the first screen being different from the scan lines in the second screen. The scan line drive circuit scans the second screen in one of a one-line-at-a-time operation and a plural-line-at-a-time operation by using the scan signals every time the scan line drive circuit scans at least one frame of the first screen in a one-line-at-a-time operation by using the scan signals.

Abstract translation: 用于第一屏幕和第二屏幕的共同显示驱动程序。 显示驱动器包括数据线驱动电路，该数据线驱动电路根据通过第一和第二屏幕的共用数据线的显示数据向第一和第二屏幕提供灰度电压;以及扫描线驱动电路，其向第一和第二屏幕提供扫描信号 和第二屏幕，其中第一屏幕中的扫描线与第二屏幕中的扫描线不同。 扫描线驱动电路在每次扫描线驱动电路至少扫描时使用扫描信号来扫描第一屏幕中的一行一次操作和多行一次操作 通过使用扫描信号，在一行一次操作中的第一屏幕的一帧。

公开(公告)号：US07023458B2

公开(公告)日：2006-04-04

申请号：US10161635

申请日：2002-06-05

Applicant: Yasuyuki Kudo ,  Akihito Akai ,  Kazuo Ookado ,  Kazunari Kurokawa ,  Hiroki Aizawa

Inventor： Yasuyuki Kudo ,  Akihito Akai ,  Kazuo Ookado ,  Kazunari Kurokawa ,  Hiroki Aizawa

IPC: G09G5/10

CPC classification number: G09G3/3607 ,  G09G3/3614 ,  G09G3/3688 ,  G09G3/3696 ,  G09G2310/027 ,  G09G2320/0276 ,  G09G2320/0606 ,  G09G2320/0673

Abstract: A driving display device includes a gray scale voltage generating circuit for generating a plurality of levels of gray scale voltages from a reference voltage, an amplitude adjustment register capable of setting the amplitude of a characteristic curve of a plurality of levels of the gray scale voltages with respect to gray scale numbers, and a gradient adjustment register capable of setting the gradient of the characteristic curve. With this arrangement, the gradient and amplitude of the gray scale number-gray scale voltage characteristic are adjusted.

公开(公告)号：US20050052477A1

公开(公告)日：2005-03-10

申请号：US10879047

申请日：2004-06-30

Applicant: Yasuyuki Kudo ,  Akihito Akai ,  Takuya Eriguchi ,  Kazuo Okado ,  Hiroki Aizawa

Inventor： Yasuyuki Kudo ,  Akihito Akai ,  Takuya Eriguchi ,  Kazuo Okado ,  Hiroki Aizawa

IPC: G02F1/133 ,  G09G3/20 ,  G09G3/36 ,  G09G5/10 ,  H04N5/66

CPC classification number: G09G3/2011 ,  G09G3/2025 ,  G09G3/3614 ,  G09G3/3688 ,  G09G3/3696 ,  G09G2330/021

Abstract: A driving circuit provided by the present invention is characterized in that the driving circuit selects a gray-scale voltage in accordance with high-order bits of display data from a group of gray-scale voltages with their voltage level varying step by step from fractional time period to fractional time period, which are set in advance, and outputs the selected gray-scale voltage during a time period between the start of a scanning period and a time at which a number assigned to a fractional time period matches quantitative information contained in low-order bits of the display data. In addition, the driving circuit provided by the present invention is also characterized in that the time ratio of the first fractional time period is set at a relatively high value while the time ratios of the second and subsequent fractional time periods are each set at a relatively low value.

Abstract translation: 本发明提供的驱动电路的特征在于，驱动电路根据来自一组灰度级电压的显示数据的高位选择灰度电压，其电压电平从分数时间逐步变化 预先设定的时间间隔到分数时间段，并且在扫描周期的开始和分配给分数时间段的时间之间的时间段期间输出所选择的灰度级电压与低包含的定量信息相匹配 显示数据的顺序位。 此外，本发明提供的驱动电路的特征还在于，将第一分数时间段的时间比设定为相对较高的值，同时将第二和后续分数时间段的时间比率设置为相对较高 低价值。

公开(公告)号：US07724269B2

公开(公告)日：2010-05-25

申请号：US11699420

申请日：2007-01-30

Applicant: Yasuyuki Kudo ,  Kazuo Okado ,  Hiroki Aizawa

Inventor： Yasuyuki Kudo ,  Kazuo Okado ,  Hiroki Aizawa

IPC: G09G5/10

CPC classification number: G06F3/1423 ,  G06F3/147 ,  G09G3/3611

Abstract: A display driver used in common for a first screen and a second screen. The display driver includes a data line drive circuit which supplies gray scale voltages to the first and second screens in accordance with display data via data lines in common for the first and second screens, and a scan line drive circuit which supplies scan signals to the first and second screens via scan lines, with the scan lines in the first screen being different from the scan lines in the second screen. The scan line drive circuit scans the second screen in one of a one-line-at-a-time operation and a plural-line-at-a-time operation by using the scan signals every time the scan line drive circuit scans at least one frame of the first screen in a one-line-at-a-time operation by using the scan signals.

Abstract translation: 用于第一屏幕和第二屏幕的共同显示驱动程序。 显示驱动器包括数据线驱动电路，该数据线驱动电路根据通过第一和第二屏幕的共用数据线的显示数据向第一和第二屏幕提供灰度电压;以及扫描线驱动电路，其向第一和第二屏幕提供扫描信号 和第二屏幕，其中第一屏幕中的扫描线与第二屏幕中的扫描线不同。 扫描线驱动电路在每次扫描线驱动电路至少扫描时使用扫描信号来扫描第一屏幕中的一行一次操作和多行一次操作 通过使用扫描信号，在一行一次操作中的第一屏幕的一帧。

公开(公告)号：US20060033695A1

公开(公告)日：2006-02-16

申请号：US11248308

申请日：2005-10-13

Applicant: Yasuyuki Kudo ,  Akihito Akai ,  Kazuo Ookado ,  Kazunari Kurokawa ,  Hiroki Aizawa

Inventor： Yasuyuki Kudo ,  Akihito Akai ,  Kazuo Ookado ,  Kazunari Kurokawa ,  Hiroki Aizawa

IPC: G09G3/36

CPC classification number: G09G3/3607 ,  G09G3/3614 ,  G09G3/3688 ,  G09G3/3696 ,  G09G2310/027 ,  G09G2320/0276 ,  G09G2320/0606 ,  G09G2320/0673

Abstract: A display driver adjustable for a gamma specification of a liquid display panel, including: a system interface receiving display data from an external; a memory storing the display data; a grayscale voltage generator generating a plurality of grayscale voltages; a gamma adjusting circuit adjusting the gamma specification; and an output circuit outputting the grayscale voltage in response to the display data from the memory to the liquid display panel, wherein the gamma adjusting circuit includes: a gradient adjustment register controlling variable resistors of a ladder resistor; an amplitude/reference adjustment register; and a micro adjustment register, wherein the gradient adjustment register, the amplitude/reference adjustment register and micro adjustment register, are independently set in accordance with red, green and blue, respectively.

公开(公告)号：US20120139972A1

公开(公告)日：2012-06-07

申请号：US13372814

申请日：2012-02-14

Applicant: Yasuyuki KUDO ,  Akihito AKAI ,  Kazuo OOKADO ,  Kazunari KUROKAWA ,  Hiroki AIZAWA

Inventor： Yasuyuki KUDO ,  Akihito AKAI ,  Kazuo OOKADO ,  Kazunari KUROKAWA ,  Hiroki AIZAWA

IPC: G09G3/36 ,  G09G5/02 ,  G09G5/10

CPC classification number: G09G3/3607 ,  G09G3/3614 ,  G09G3/3688 ,  G09G3/3696 ,  G09G2310/027 ,  G09G2320/0276 ,  G09G2320/0606 ,  G09G2320/0673

Abstract: Display driving arrangements including: generation circuit dividing a reference voltage by variable resistors for plural levels of voltages; a decoder circuit decoding gray scale voltage corresponding to the display data among the levels of voltages; and a register setting variable resisters resistance values to adjust amplitude and gradient of the gamma characteristic curve of the gray scale voltages with respect to the gray scale number, the generation circuit having a group of resistive voltage dividing circuits dividing the reference voltage, a variable resister amplitude adjusting the gamma characteristic curve in accordance with register setting values connected with a side of the reference voltage in series, being closer to the side of the reference voltage than the group of resistive voltage dividing circuits, a variable resister to adjust the gradient of the gamma characteristic curve per the register setting values connected within the group of resistive voltage dividing circuits in series.

Abstract translation: 显示驱动装置包括：通过可变电阻器对多个电压电平分压参考电压的发电电路; 解码器电路，解码与电压电平之间的显示数据相对应的灰度级电压; 并且寄存器设置变量阻止电阻值以调整相对于灰度级数的灰度级电压的伽马特性曲线的幅度和梯度，所述发生电路具有划分参考电压的一组电阻分压电路，可变电阻器 根据与参考电压的一侧串联连接的寄存器设定值来调整伽马特性曲线，其比基于电阻分压电路的组更接近参考电压的一侧;变阻器，用于调整 每个串联的电阻分压电路组内的寄存器设定值的伽马特性曲线。

公开(公告)号：US07855537B2

公开(公告)日：2010-12-21

申请号：US11979609

申请日：2007-11-06

Applicant: Hiroki Aizawa

Inventor： Hiroki Aizawa

IPC: G05F1/573

CPC classification number: G05F1/573

Abstract: A voltage supply circuit includes an output transistor causing a first current to flow to an output terminal of the voltage supply circuit based on a control voltage applied from an error amplifier to a control terminal of the output transistor; and an overcurrent protection circuit including a reference transistor causing a second current to flow to the output terminal, the second current having an amount corresponding to an amount of the first current, the overcurrent protection circuit regulating a level of the control voltage based on comparison between a detection voltage caused based on the second current and a reference voltage.

Abstract translation: 电压供给电路包括输出晶体管，其基于从误差放大器施加到输出晶体管的控制端子的控制电压使第一电流流到电压供给电路的输出端子; 以及过电流保护电路，其包括使第二电流流向所述输出端子的参考晶体管，所述第二电流具有对应于所述第一电流的量的量，所述过电流保护电路基于所述第一电流的比较来调节所述控制电压的电平 基于第二电流引起的检测电压和参考电压。

公开(公告)号：US07616221B2

公开(公告)日：2009-11-10

申请号：US10879047

申请日：2004-06-30

Applicant: Yasuyuki Kudo ,  Akihito Akai ,  Takuya Eriguchi ,  Kazuo Okado ,  Hiroki Aizawa

Inventor： Yasuyuki Kudo ,  Akihito Akai ,  Takuya Eriguchi ,  Kazuo Okado ,  Hiroki Aizawa

IPC: G09G3/36 ,  G09G5/10 ,  G06F3/038

CPC classification number: G09G3/2011 ,  G09G3/2025 ,  G09G3/3614 ,  G09G3/3688 ,  G09G3/3696 ,  G09G2330/021

Abstract: A driving circuit provided by the present invention is characterized in that the driving circuit selects a gray-scale voltage in accordance with high-order bits of display data from a group of gray-scale voltages with their voltage level varying step by step from fractional time period to fractional time period, which are set in advance, and outputs the selected gray-scale voltage during a time period between the start of a scanning period and a time at which a number assigned to a fractional time period matches quantitative information contained in low-order bits of the display data. In addition, the driving circuit provided by the present invention is also characterized in that the time ratio of the first fractional time period is set at a relatively high value while the time ratios of the second and subsequent fractional time periods are each set at a relatively low value.

Abstract translation: 本发明提供的驱动电路的特征在于，驱动电路根据来自一组灰度级电压的显示数据的高位选择灰度电压，其电压电平从分数时间逐步变化 预先设定的时间间隔到分数时间段，并且在扫描周期的开始和分配给分数时间段的时间之间的时间段期间输出所选择的灰度级电压与低包含的定量信息相匹配 显示数据的顺序位。 此外，本发明提供的驱动电路的特征还在于，将第一分数时间段的时间比设定为相对较高的值，同时将第二和后续分数时间段的时间比率设置为相对较高 低价值。