公开(公告)号：US10672360B2

公开(公告)日：2020-06-02

申请号：US12926961

申请日：2010-12-20

申请人： Hirobumi Furihata ,  Takashi Nose

发明人： Hirobumi Furihata ,  Takashi Nose

IPC分类号： G09G5/00

摘要： A display data correction apparatus is provided with: a control circuit responsive to an input gray-level value for initially providing first to N-th control points (N≥3) defined in a coordinate system in which a first coordinate axis is associated with the input gray-level value and a second coordinate axis is associated with an output gray-level value to be calculated for the input gray-level value; and a processing circuit obtaining an output gray-level value by repeating an update operation in which the first to N-th control points are updated. The degree (N−1) Bezier curve is used as an approximated curve of the gamma curve. The output gray-level value is finally obtained as the coordinate value of a specific point in the degree (N−1) Bezier curve along the second coordinate axis, where the specific point has the coordinate value closest to the input gray-level value along the first coordinate axis.

公开(公告)号：US08849045B2

公开(公告)日：2014-09-30

申请号：US13137444

申请日：2011-08-16

申请人： Hirobumi Furihata ,  Takashi Nose

发明人： Hirobumi Furihata ,  Takashi Nose

IPC分类号： G06K9/36 ,  G09G3/36 ,  G09G3/20

CPC分类号： G09G3/3688 ,  G09G3/2066 ,  G09G2340/02 ,  G09G2370/08

摘要： A display system includes: a display device, a transmitting device which generates compressed data by performing a compression process on image data corresponding to a display image, and a driver which drives the display device in response to the compressed data received from the transmitting device. The driver includes: a decompression circuit which generates decompressed data by decompressing the compressed data, an FRC circuit configured to perform an FEC process on the decompressed data to generate display data and a drive circuit which drives the display device in response to the display data. The following relation holds: m2>m3>m1, where m1 is a number of bits of the compressed data per pixel, m2 is a number of bits of the decompressed data per pixel and m3 is a number of bits of the display data per pixel.

摘要翻译： 显示系统包括：显示装置，通过对与显示图像对应的图像数据进行压缩处理来生成压缩数据的发送装置，以及响应于从发送装置接收到的压缩数据来驱动显示装置的驱动器。 驱动器包括：解压缩电路，通过解压缩压缩数据产生解压缩数据; FRC电路，被配置为对解压缩数据执行FEC处理以产生显示数据;以及驱动电路，其响应于显示数据驱动显示装置。 以下关系成立：m2> m3> m1，其中m1是每像素压缩数据的位数，m2是每像素的解压缩数据的位数，m3是每像素的显示数据的位数 。

公开(公告)号：US08638285B2

公开(公告)日：2014-01-28

申请号：US12801244

申请日：2010-05-28

申请人： Takashi Nose ,  Hirobumi Furihata

发明人： Takashi Nose ,  Hirobumi Furihata

IPC分类号： G09G3/36

CPC分类号： H04N19/42 ,  G09G3/20 ,  G09G3/3688 ,  G09G2310/027 ,  G09G2320/0223 ,  G09G2330/021 ,  G09G2340/02 ,  G09G2370/08

摘要： A display device is provided with a display panel; first to n-th cascade-connected drivers (n being an integer of two or more); a controller transmitting compressed image data to the first driver. The i-th driver of the first to n-th drivers includes a drive circuitry driving the display panel; a first bus adapted to data transfer to the (i+1)-th driver of the first to n-th drivers; a second bus adapted to data transfer to the driver circuitry; and a decompression section receiving the compressed image data from the (i−1)-th driver of the first to n-th drivers or the controller. The decompression section of the i-th driver transfers the received compressed image data to the (i+1)-th driver through the first bus thereof, when the received compressed image data are not associated with the i-th driver. When the received compressed image data are associated with the i-th driver, the decompression section of the i-th driver decompresses the received compressed image data to generate decompressed image data and feeds the decompressed image data to the drive circuitry through the second bus. The drive circuitry drives the display panel in response to the decompressed image data.

摘要翻译： 显示装置设置有显示面板; 第一到第n级联连接的驱动器（n为两个或更多的整数）; 控制器将压缩图像数据发送到第一驱动器。 第一至第n驱动器的第i个驱动器包括驱动显示面板的驱动电路; 第一总线适于将数据传输到第一至第n个驱动器的第（i + 1）个驱动器; 适于数据传送到驱动器电路的第二总线; 以及从第一至第n个驱动器或控制器的第（i-1）个驱动器接收压缩图像数据的解压缩部分。 当所接收的压缩图像数据与第i个驱动器不相关联时，第i个驱动器的解压缩部分通过其第一总线将接收的压缩图像数据传送到第（i + 1）个驱动器。 当所接收的压缩图像数据与第i个驱动器相关联时，第i个驱动器的解压缩部分解压缩接收到的压缩图像数据以产生解压缩的图像数据，并通过第二总线将解压缩的图像数据馈送到驱动电路。 驱动电路响应于解压缩的图像数据来驱动显示面板。

公开(公告)号：US08242994B2

公开(公告)日：2012-08-14

申请号：US12588729

申请日：2009-10-26

申请人： Takashi Nose ,  Hirobumi Furihata

发明人： Takashi Nose ,  Hirobumi Furihata

IPC分类号： G09G3/36 ,  G06F3/038

CPC分类号： G09G3/3648 ,  G09G2320/0276 ,  G09G2320/0673 ,  G09G2360/144

摘要： A display device includes a display panel, an environmental sensor, a correction circuit and a driving circuit. The correction circuit is configured to generate a corrected gray-scale data on the basis of input gray-scale data. The driving circuit is configured to drive the display panel in response to the corrected gray-scale data. The correction circuit generates the corrected gray-scale data by executing a correction using a polynomial in which the input gray-scale data are used as variables. Coefficients of the polynomial are changed in response to an output signal of the environmental sensor.

摘要翻译： 显示装置包括显示面板，环境传感器，校正电路和驱动电路。 校正电路被配置为基于输入的灰度数据生成校正的灰度数据。 驱动电路被配置为响应于校正的灰度数据来驱动显示面板。 校正电路通过使用输入的灰度数据用作变量的多项式执行校正来生成校正的灰度数据。 多项式的系数响应于环境传感器的输出信号而改变。

公开(公告)号：US20100315406A1

公开(公告)日：2010-12-16

申请号：US12801244

申请日：2010-05-28

申请人： Takashi Nose ,  Hirobumi Furihata

发明人： Takashi Nose ,  Hirobumi Furihata

IPC分类号： G06F3/038 ,  G09G5/00

CPC分类号： H04N19/42 ,  G09G3/20 ,  G09G3/3688 ,  G09G2310/027 ,  G09G2320/0223 ,  G09G2330/021 ,  G09G2340/02 ,  G09G2370/08

摘要： A display device is provided with a display panel; first to n-th cascade-connected drivers (n being an integer of two or more); a controller transmitting compressed image data to the first driver. The i-th driver of the first to n-th drivers includes a drive circuitry driving the display panel; a first bus adapted to data transfer to the (i+1)-th driver of the first to n-th drivers; a second bus adapted to data transfer to the driver circuitry; and a decompression section receiving the compressed image data from the (i−1)-th driver of the first to n-th drivers or the controller. The decompression section of the i-th driver transfers the received compressed image data to the (i+1)-th driver through the first bus thereof, when the received compressed image data are not associated with the i-th driver. When the received compressed image data are associated with the i-th driver, the decompression section of the i-th driver decompresses the received compressed image data to generate decompressed image data and feeds the decompressed image data to the drive circuitry through the second bus. The drive circuitry drives the display panel in response to the decompressed image data.

摘要翻译： 显示装置设置有显示面板; 第一到第n级联连接的驱动器（n为两个或更多的整数）; 控制器将压缩图像数据发送到第一驱动器。 第一至第n驱动器的第i个驱动器包括驱动显示面板的驱动电路; 第一总线适于将数据传输到第一至第n个驱动器的第（i + 1）个驱动器; 适于数据传送到驱动器电路的第二总线; 以及从第一至第n个驱动器或控制器的第（i-1）个驱动器接收压缩图像数据的解压缩部分。 当所接收的压缩图像数据与第i个驱动器不相关联时，第i个驱动器的解压缩部分通过其第一总线将接收的压缩图像数据传送到第（i + 1）个驱动器。 当所接收的压缩图像数据与第i个驱动器相关联时，第i个驱动器的解压缩部分解压缩接收到的压缩图像数据以产生解压缩的图像数据，并通过第二总线将解压缩的图像数据馈送到驱动电路。 驱动电路响应于解压缩的图像数据来驱动显示面板。

公开(公告)号：US20100066769A1

公开(公告)日：2010-03-18

申请号：US12588729

申请日：2009-10-26

申请人： Takashi Nose ,  Hirobumi Furihata

发明人： Takashi Nose ,  Hirobumi Furihata

IPC分类号： G09G5/10

CPC分类号： G09G3/3648 ,  G09G2320/0276 ,  G09G2320/0673 ,  G09G2360/144

摘要： A display device includes a display panel, an environmental sensor, a correction circuit and a driving circuit. The correction circuit is configured to generate a corrected gray-scale data on the basis of input gray-scale data. The driving circuit is configured to drive the display panel in response to the corrected gray-scale data. The correction circuit generates the corrected gray-scale data by executing a correction using a polynomial in which the input gray-scale data are used as variables. Coefficients of the polynomial are changed in response to an output signal of the environmental sensor.

摘要翻译： 显示装置包括显示面板，环境传感器，校正电路和驱动电路。 校正电路被配置为基于输入的灰度数据生成校正的灰度数据。 驱动电路被配置为响应于校正的灰度数据来驱动显示面板。 校正电路通过使用输入的灰度数据用作变量的多项式执行校正来生成校正的灰度数据。 多项式的系数响应于环境传感器的输出信号而改变。

公开(公告)号：US20090009453A1

公开(公告)日：2009-01-08

申请号：US12213968

申请日：2008-06-26

申请人： Hirobumi Furihata ,  Takashi Nose

发明人： Hirobumi Furihata ,  Takashi Nose

IPC分类号： G09G3/36

CPC分类号： G09G3/3685 ,  G09G2310/027 ,  G09G2320/0673

摘要： A control driver for a liquid crystal display panel includes: an operation circuit, an LUT (Look-up Table), and a linear interpolation D/A converter. The operation circuit performs a certain operation on input image data to generate operation data, and outputs higher order bit data and lower order bit data of the operation data. The LUT includes a V-T (Voltage-Transmittance) characteristic of the liquid crystal display panel, and outputs first output data and second output data as display data based on the higher order bit data and the V-T characteristic. The linear interpolation D/A converter performs an linear interpolation operation and D/A conversion to generate output voltage supplied to the liquid crystal display panel in response to the first output data, the second output data and the lower order bit data.

摘要翻译： 用于液晶显示面板的控制驱动器包括：运算电路，LUT（查找表）和线性插值D / A转换器。 运算电路对输入图像数据进行一定的动作，生成运算数据，输出运算数据的高阶位数据和低阶位数据。 LUT包括液晶显示面板的V-T（电压透射率）特性，并且基于高阶位数据和V-T特性输出作为显示数据的第一输出数据和第二输出数据。 线性内插D / A转换器执行线性内插操作和D / A转换，以响应于第一输出数据，第二输出数据和低位位数据生成提供给液晶显示面板的输出电压。

公开(公告)号：US20080055231A1

公开(公告)日：2008-03-06

申请号：US11892924

申请日：2007-08-28

申请人： Takashi Nose ,  Hirobumi Furihata ,  Kentaro Hayashi

发明人： Takashi Nose ,  Hirobumi Furihata ,  Kentaro Hayashi

IPC分类号： G09G3/36

CPC分类号： G09G3/3406 ,  G09G2320/0646 ,  G09G2360/144 ,  G09G2360/16 ,  H05B33/0854 ,  Y02B20/341

摘要： To provide a technique for protecting a fast interface for transferring image data among a plurality of cases from noise caused by controlling of the brightness of the backlight. The mobile terminal according to the present invention has a body case 1, a display part case 2, a coupling mechanism 3 for coupling them, a CPU 11, an LCD panel 13, a controller driver 15 for driving the LCD panel 13, a backlight 17 and a backlight driver 16. The CPU 11 is mounted to the body case 1, while the LCD panel 13, the controller driver 15, the backlight 17 and the backlight driver 16 are mounted to the display part case 2. The controller driver 15 drives the LCD panel 13 in response to the image data received from the CPU 11 via an interface signal line 18, while supplying the brightness control signal 21 for controlling the backlight 17 to the backlight driver 16.

摘要翻译： 提供一种用于保护用于在多个情况下传送图像数据的快速接口用于通过控制背光的亮度引起的噪声的技术。 根据本发明的移动终端具有主体壳体1，显示部分壳体2，用于联接它们的联接机构3，CPU 11，LCD面板13，用于驱动LCD面板13的控制器驱动器15，背光源 17和背光驱动器16。 CPU11安装到主体壳体1上，而LCD面板13，控制器驱动器15，背光源17和背光驱动器16安装在显示部分壳体2上。 控制器驱动器15响应于从CPU 11经由接口信号线18接收的图像数据而驱动LCD面板13，同时向背光驱动器16提供用于控制背光17的亮度控制信号21。

公开(公告)号：US20060268299A1

公开(公告)日：2006-11-30

申请号：US11439959

申请日：2006-05-25

申请人： Takashi Nose ,  Hirobumi Furihata

发明人： Takashi Nose ,  Hirobumi Furihata

IPC分类号： G06F15/00

CPC分类号： G09G3/3648 ,  G09G2320/0276 ,  G09G2320/0673 ,  G09G2360/144

摘要： A display device includes a display panel, an environmental sensor, a correction circuit and a driving circuit. The correction circuit is configured to generate a corrected gray-scale data on the basis of input gray-scale data. The driving circuit is configured to drive the display panel in response to the corrected gray-scale data. The correction circuit generates the corrected gray-scale data by executing a correction using a polynomial in which the input gray-scale data are used as variables. Coefficients of the polynomial are changed in response to an output signal of the environmental sensor.

摘要翻译： 显示装置包括显示面板，环境传感器，校正电路和驱动电路。 校正电路被配置为基于输入的灰度数据生成校正的灰度数据。 驱动电路被配置为响应于校正的灰度数据来驱动显示面板。 校正电路通过使用输入的灰度数据用作变量的多项式执行校正来生成校正的灰度数据。 多项式的系数响应于环境传感器的输出信号而改变。

公开(公告)号：US20060244707A1

公开(公告)日：2006-11-02

申请号：US10561270

申请日：2004-06-28

申请人： Hirobumi Furihata ,  Katsuhisa Oohashi ,  Junyou Shioda ,  Yoshiyuki Teshirogi ,  Takashi Nose ,  Mika Tuomi

发明人： Hirobumi Furihata ,  Katsuhisa Oohashi ,  Junyou Shioda ,  Yoshiyuki Teshirogi ,  Takashi Nose ,  Mika Tuomi

IPC分类号： G09G3/36

CPC分类号： G09G5/393 ,  G06F3/14 ,  G09G3/2011 ,  G09G3/2018 ,  G09G3/2025 ,  G09G3/2048 ,  G09G3/2051 ,  G09G3/2055 ,  G09G3/3648 ,  G09G3/3666 ,  G09G3/3688 ,  G09G5/346 ,  G09G5/363 ,  G09G5/397 ,  G09G5/40 ,  G09G2320/0257 ,  G09G2320/0285 ,  G09G2320/106 ,  G09G2340/02 ,  G09G2340/10 ,  G11C11/413

摘要： A controller/driver is composed of a work memory, a graphic engine, a display memory, and a driver circuit. The graphic engine converts externally received image data into first bitmap data, and stores the first bitmap data in the work memory. The display memory receives and stores second bitmap data developed from the first bitmap data stored in the work memory. The driver circuit drives a display panel in response to the second bitmap data received from the display memory.

摘要翻译： 控制器/驱动器由工作存储器，图形引擎，显示存储器和驱动器电路组成。 图形引擎将外部接收的图像数据转换为第一位图数据，并将第一位图数据存储在工作存储器中。 显示存储器接收并存储从存储在工作存储器中的第一位图数据开发的第二位图数据。 驱动电路响应于从显示存储器接收到的第二位图数据来驱动显示面板。