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公开(公告)号：US07511693B2
公开(公告)日：2009-03-31
申请号：US11248308
申请日：2005-10-13
申请人： Yasuyuki Kudo , Akihito Akai , Kazuo Ookado , Kazunari Kurokawa , Hiroki Aizawa
发明人： Yasuyuki Kudo , Akihito Akai , Kazuo Ookado , Kazunari Kurokawa , Hiroki Aizawa
IPC分类号： G09G3/36
CPC分类号： G09G3/3607 , G09G3/3614 , G09G3/3688 , G09G3/3696 , G09G2310/027 , G09G2320/0276 , G09G2320/0606 , G09G2320/0673
摘要： 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.
摘要翻译： 一种显示驱动器，其可针对液体显示面板的伽马规格进行调节，包括：系统接口，从外部接收显示数据; 存储显示数据的存储器; 产生多个灰度电压的灰度级电压发生器; 调整伽马规格的伽马调节电路; 以及输出电路，响应于从存储器到液晶显示面板的显示数据输出灰度电压，其中，伽马调整电路包括：梯度调节寄存器，用于控制梯形电阻器的可变电阻器; 幅度/参考调整寄存器; 和微调节寄存器，其中梯度调整寄存器，幅度/参考调整寄存器和微调节寄存器分别根据红色，绿色和蓝色独立地设置。
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公开(公告)号：US08120561B2
公开(公告)日：2012-02-21
申请号：US12411984
申请日：2009-03-26
申请人： Yasuyuki Kudo , Akihito Akai , Kazuo Ookado , Kazunari Kurokawa , Hiroki Aizawa
发明人： Yasuyuki Kudo , Akihito Akai , Kazuo Ookado , Kazunari Kurokawa , Hiroki Aizawa
IPC分类号： G09G3/36
CPC分类号： G09G3/3607 , G09G3/3614 , G09G3/3688 , G09G3/3696 , G09G2310/027 , G09G2320/0276 , G09G2320/0606 , G09G2320/0673
摘要： A display driving circuit to supply a gray scale voltage corresponding to display data to a display panel, the display driving circuit including: a generation circuit to divide a reference voltage to generate a plurality of levels of the gray scale voltages; an interface circuit; a selection circuit to select the gray scale voltage corresponding to the display data from the plurality of levels of voltages; a first register to store a setting value that adjusts the amplitude of a gamma characteristic curve from outside via the interface circuit; and a second register to store a setting value that adjusts the gradient of the gamma characteristic curve from outside via the interface circuit; and a third register to store a setting value for micro adjusting the gamma characteristic curve from outside via the interface circuit; wherein the first, second and third registers are assigned different addresses.
摘要翻译： 一种显示驱动电路，用于将对应于显示数据的灰度电压提供给显示面板，所述显示驱动电路包括：生成电路，分配参考电压以产生多个灰度级电平; 接口电路; 选择电路，用于从所述多个电压电平中选择与所述显示数据对应的灰度电压; 第一寄存器，用于存储经由接口电路从外部调整伽马特性曲线的幅度的设定值; 以及第二寄存器，用于存储经由所述接口电路从外部调整所述伽马特性曲线的梯度的设定值; 以及第三寄存器，用于存储经由所述接口电路从外部微调伽马特性曲线的设定值; 其中第一，第二和第三寄存器被分配不同的地址。
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公开(公告)号：US20090184985A1
公开(公告)日：2009-07-23
申请号：US12411984
申请日：2009-03-26
申请人： Yasuyuki Kudo , Akihito Akai , Kazuo Ookado , Kazunari Kurokawa , Hiroki Aizawa
发明人： Yasuyuki Kudo , Akihito Akai , Kazuo Ookado , Kazunari Kurokawa , Hiroki Aizawa
CPC分类号： G09G3/3607 , G09G3/3614 , G09G3/3688 , G09G3/3696 , G09G2310/027 , G09G2320/0276 , G09G2320/0606 , G09G2320/0673
摘要： A display driving circuit to supply a gray scale voltage corresponding to display data to a display panel, the display driving circuit including: a generation circuit to divide a reference voltage to generate a plurality of levels of the gray scale voltages; an interface circuit; a selection circuit to select the gray scale voltage corresponding to the display data from the plurality of levels of voltages; a first register to store a setting value that adjusts the amplitude of a gamma characteristic curve from outside via the interface circuit; and a second register to store a setting value that adjusts the gradient of the gamma characteristic curve from outside via the interface circuit; and a third register to store a setting value for micro adjusting the gamma characteristic curve from outside via the interface circuit; wherein the first, second and third registers are assigned different addresses.
摘要翻译： 一种显示驱动电路，用于将对应于显示数据的灰度电压提供给显示面板，所述显示驱动电路包括：生成电路，分配参考电压以产生多个灰度级电平; 接口电路; 选择电路，用于从所述多个电压电平中选择与所述显示数据对应的灰度电压; 第一寄存器，用于存储经由接口电路从外部调整伽马特性曲线的幅度的设定值; 以及第二寄存器，用于存储经由所述接口电路从外部调整所述伽马特性曲线的梯度的设定值; 以及第三寄存器，用于存储经由所述接口电路从外部微调伽马特性曲线的设定值; 其中第一，第二和第三寄存器被分配不同的地址。
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公开(公告)号：US07193637B2
公开(公告)日：2007-03-20
申请号：US11126160
申请日：2005-05-11
申请人： Yasuyuki Kudo , Akihito Akai , Kazuo Ookado , Kazunari Kurokawa , Hiroki Aizawa
发明人： Yasuyuki Kudo , Akihito Akai , Kazuo Ookado , Kazunari Kurokawa , Hiroki Aizawa
IPC分类号： G09G5/10
CPC分类号： G09G3/3607 , G09G3/3614 , G09G3/3688 , G09G3/3696 , G09G2310/027 , G09G2320/0276 , G09G2320/0606 , G09G2320/0673
摘要： 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.
摘要翻译： 驱动显示装置包括：灰度级电压发生电路，用于从参考电压产生多级灰度电压;振幅调整寄存器，其能够设置灰度级电压的多个级别的特性曲线的振幅， 相对于灰度级数，以及能够设定特性曲线的梯度的梯度调整寄存器。 通过这种布置，调整灰度级 - 灰度级电压特性的梯度和幅度。
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公开(公告)号：US20050200584A1
公开(公告)日：2005-09-15
申请号：US11126160
申请日：2005-05-11
申请人： Yasuyuki Kudo , Akihito Akai , Kazuo Ookado , Kazunari Kurokawa , Hiroki Aizawa
发明人： Yasuyuki Kudo , Akihito Akai , Kazuo Ookado , Kazunari Kurokawa , Hiroki Aizawa
CPC分类号： G09G3/3607 , G09G3/3614 , G09G3/3688 , G09G3/3696 , G09G2310/027 , G09G2320/0276 , G09G2320/0606 , G09G2320/0673
摘要： 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.
摘要翻译： 驱动显示装置包括：灰度级电压发生电路，用于从参考电压产生多级灰度电压;振幅调整寄存器，其能够设置灰度级电压的多个级别的特性曲线的振幅， 相对于灰度级数，以及能够设定特性曲线的梯度的梯度调整寄存器。 通过这种布置，调整灰度级 - 灰度级电压特性的梯度和幅度。
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公开(公告)号：US07855537B2
公开(公告)日：2010-12-21
申请号：US11979609
申请日：2007-11-06
申请人： Hiroki Aizawa
发明人： Hiroki Aizawa
IPC分类号： G05F1/573
CPC分类号： G05F1/573
摘要： 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.
摘要翻译： 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。
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公开(公告)号：US07724266B2
公开(公告)日：2010-05-25
申请号：US11556431
申请日：2006-11-03
CPC分类号： G09G3/3648 , G09G2320/0252 , G09G2320/0261 , G09G2340/16
摘要： 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.
摘要翻译： 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。
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公开(公告)号：US20080106245A1
公开(公告)日：2008-05-08
申请号：US11979609
申请日：2007-11-06
申请人： Hiroki Aizawa
发明人： Hiroki Aizawa
IPC分类号： G05F1/573
CPC分类号： G05F1/573
摘要： 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.
摘要翻译： 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。
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公开(公告)号：US20070103492A1
公开(公告)日：2007-05-10
申请号：US11556431
申请日：2006-11-03
IPC分类号： G09G5/02
CPC分类号： G09G3/3648 , G09G2320/0252 , G09G2320/0261 , G09G2340/16
摘要： 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.
摘要翻译： 一种图像显示调整装置，其中差分部分获得一帧前的输入信号f 0之间的差作为由存储器部分保持一帧的输入信号f 1和当前输入信号f 1，乘法部分106将该 差分信号（f 1 -f 0）乘以高亮系数α，加法部分107将其乘法输出信号α（f 1 -f 0）作为校正数据加到当前输入信号f 1上，以获得具有 其响应性提高，设置有高光系数控制部分的装置，用于通过输入输入信号f 1或差分信号（f 1 -f 0）来执行预定解码，并将其转换为具有与该信号不同的变化特性的信号并输出 通过使用该解码值来适应于输入信号或差分信号的高亮度系数α。
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