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1. 发明授权

US07023458B2 Display apparatus and driving device for displaying 有权
公开(公告)号：US07023458B2
公开(公告)日：2006-04-04
申请号：US10161635
申请日：2002-06-05
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.

2. 发明申请

US20060033695A1 Display apparatus and driving device for displaying 有权
公开(公告)号：US20060033695A1
公开(公告)日：2006-02-16
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.

3. 发明授权

US08120561B2 Display apparatus and driving device for displaying 有权
标题翻译：用于显示的显示装置和驱动装置
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。

4. 发明申请

US20090184985A1 DISPLAY APPARATUS AND DRIVING DEVICE FOR DISPLAYING 有权
标题翻译：显示装置和驱动装置用于显示
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
IPC分类号： G09G5/10 , 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。

5. 发明授权

US07193637B2 Display apparatus and driving device for displaying 有权
标题翻译：用于显示的显示装置和驱动装置
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。

6. 发明申请

US20050200584A1 Display apparatus and driving device for displaying 有权
标题翻译：用于显示的显示装置和驱动装置
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
IPC分类号： G02F1/133 , G09G3/00 , G09G3/20 , G09G3/30 , G09G3/36 , H04N5/66
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。

7. 发明授权

US08633881B2 Display apparatus and driving device for displaying 有权
标题翻译：用于显示的显示装置和驱动装置
公开(公告)号：US08633881B2
公开(公告)日：2014-01-21
申请号：US13372814
申请日：2012-02-14
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： 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.
摘要翻译：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。

8. 发明授权

US07511693B2 Display apparatus and driving device for displaying 有权
标题翻译：用于显示的显示装置和驱动装置
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。

9. 发明申请

US20070257942A1 DISPLAY APPARATUS AND DRIVING DEVICE FOR DISPLAYING 有权
标题翻译：显示装置和驱动装置用于显示
公开(公告)号：US20070257942A1
公开(公告)日：2007-11-08
申请号：US11776158
申请日：2007-07-11
申请人： Yasuyuki KUDO , Akihito Akai , Kazuo Ookado , Kazunari Kurokawa , Atsuhiro Higa
发明人： Yasuyuki KUDO , Akihito Akai , Kazuo Ookado , Kazunari Kurokawa , Atsuhiro Higa
IPC分类号： G09G5/10
CPC分类号： G09G3/2092 , G09G3/20 , G09G3/2011 , G09G3/3614 , G09G3/3688 , G09G3/3696 , G09G2310/027 , G09G2320/0626 , G09G2320/066 , G09G2320/08 , G09G2330/021 , G09G2330/028 , G09G2360/18 , H03F3/347 , H03F3/45475
摘要： A generation circuit generates gray scale voltages having a plurality of levels for positive polarity and gray scale voltages having a plurality of levels for negative polarity; wherein said generation circuit, in the mode in which the number of colors to be displayed on a display panel is small, decreases a current flowing into an internal circuit which generates a gray scale voltage of an intermediate level other than two gray scale voltages of a gray scale voltage of the most lowest level and a gray scale voltage of the most highest level among the gray scale voltages of said plurality of levels, in comparison to a current flowing in the other mode; and wherein said selection circuit, in the mode in which the number of colors to be displayed on said display panel is small, selects said gray scale voltage according to said display data, from the two gray scale voltages of said most lowest level gray scale voltage and said most highest level gray scale voltage which are generated from said generation circuit.
摘要翻译：一代电路产生具有多个电平的灰度级电压，所述多个电平具有用于负极性的多个电平的正极性和灰度级电压; 其中所述产生电路在显示面板上要显示的颜色数量小的模式中，减少流入内部电路的电流，该内部电路产生除了两个灰度级电压之外的中间电平的灰度电压与在另一模式中流动的电流相比，最低电平的灰度电压和所述多个电平的灰度级电压中最高电平的灰度级电压; 并且其中所述选择电路在要显示在所述显示面板上的颜色数量小的模式中，根据所述显示数据从所述最低级灰度级电压的两个灰度级电压中选择所述灰度级电压并且表示从所述发电电路产生的最高等级的灰度级电压。

10. 发明授权

US06781605B2 Display apparatus and driving device for displaying 有权
标题翻译：用于显示的显示装置和驱动装置
公开(公告)号：US06781605B2
公开(公告)日：2004-08-24
申请号：US10161638
申请日：2002-06-05
申请人： Yasuyuki Kudo , Akihito Akai , Kazuo Ookado , Kazunari Kurokawa , Atsuhiro Higa
发明人： Yasuyuki Kudo , Akihito Akai , Kazuo Ookado , Kazunari Kurokawa , Atsuhiro Higa
IPC分类号： G09G510
CPC分类号： G09G3/2092 , G09G3/20 , G09G3/2011 , G09G3/3614 , G09G3/3688 , G09G3/3696 , G09G2310/027 , G09G2320/0626 , G09G2320/066 , G09G2320/08 , G09G2330/021 , G09G2330/028 , G09G2360/18 , H03F3/347 , H03F3/45475
摘要： A reference voltage generating circuit which generates reference voltages at a plurality of levels, a voltage follower circuit for stabilizing the reference voltages at a plurality of levels and a gray scale voltage generating circuit which generates gray scale voltages at a plurality of levels from the stabilized reference voltages are provided. The voltage follower circuit includes a differential amplifier which receives at one input the reference voltages, first and second buffer circuits connected in parallel to each other, and a resistor. Outputs of the first and second buffer circuits are connected to each other through the resistor, with the output of the first buffer circuit being fed back to the other input of the differential amplifier and the output of the second buffer circuit being connected to serve as an output of the voltage follower circuit.
摘要翻译：产生多个电平的参考电压的参考电压产生电路，用于稳定多个电平的参考电压的电压跟随器电路和产生来自稳定基准的多个电平的灰度电压的灰度电压产生电路提供电压。电压跟随器电路包括差分放大器，其在一个输入端接收参考电压，彼此并联连接的第一和第二缓冲电路以及电阻器。第一和第二缓冲电路的输出通过电阻相互连接，第一缓冲电路的输出被反馈到差分放大器的另一个输入，第二缓冲电路的输出连接起来作为输出电压跟随电路。

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