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    • 12. 发明授权
    • Real-time image processing circuit capable of enhancing brightness contrast and color saturation
    • 实时图像处理电路能够增强亮度对比度和色彩饱和度
    • US08284316B2
    • 2012-10-09
    • US12924450
    • 2010-09-28
    • Tsung-Hsi ChiangChing-Fang Hsiao
    • Tsung-Hsi ChiangChing-Fang Hsiao
    • H04N9/68H04N9/64H04N5/57
    • H04N5/57H04N9/643H04N9/68H04N21/4318
    • A real-time image processing circuit includes: a first converting unit for converting an input image frame into hue data, first saturation data and first luminance data; a saturation processing unit operable to adjust the first saturation data based on saturation mapping information to generate second saturation data corresponding to the input image frame and having a saturation distribution range larger than that of the first saturation data; a luminance processing unit operable to adjust the first luminance data based on luminance mapping information to generate second luminance data corresponding to the input image frame and having a luminance distribution range larger than that of the first luminance data; and a second converting unit for converting the hue data, the second saturation data and the second luminance data into an output image frame corresponding to the input image frame and outputting the output image frame.
    • 实时图像处理电路包括:第一转换单元,用于将输入图像帧转换成色相数据,第一饱和数据和第一亮度数据; 饱和处理单元,其可操作以基于饱和度映射信息来调整所述第一饱和度数据,以生成与所述输入图像帧相对应的饱和分布范围大于所述第一饱和度数据的饱和度分布范围的第二饱和度数据; 亮度处理单元,其可操作以基于亮度映射信息调整第一亮度数据,以生成与输入图像帧相对应的亮度分布范围大于第一亮度数据的亮度分布范围的第二亮度数据; 以及第二转换单元,用于将色相数据,第二饱和度数据和第二亮度数据转换为与输入图像帧相对应的输出图像帧,并输出输出图像帧。
    • 13. 发明申请
    • Dual voltage output circuit
    • 双电压输出电路
    • US20110187190A1
    • 2011-08-04
    • US12802070
    • 2010-05-27
    • Sung-Yau YehWen-Chi Wu
    • Sung-Yau YehWen-Chi Wu
    • H02J1/00
    • H02J1/00Y10T307/406
    • A dual voltage output circuit includes first and second differential driving units. The first differential driving unit is operable to generate a first output voltage from a pair of first input voltages, has first and second nodes to receive first and second voltage levels, respectively, and has a first intermediate voltage node to receive a first intermediate voltage level. The second differential driving unit is operable to generate a second output voltage from a pair of second input voltages, has third and fourth nodes to receive the first and second voltage levels, respectively, and has a second intermediate voltage node to receive a second intermediate voltage level.
    • 双电压输出电路包括第一和第二差分驱动单元。 第一差分驱动单元可操作以从一对第一输入电压产生第一输出电压,具有分别接收第一和第二电压电平的第一和第二节点,并且具有第一中间电压节点以接收第一中间电压电平 。 第二差分驱动单元可操作以从一对第二输入电压产生第二输出电压,具有分别接收第一和第二电压电平的第三和第四节点,并且具有第二中间电压节点以接收第二中间电压 水平。
    • 15. 发明申请
    • IMAGE PROCESSING METHOD
    • 图像处理方法
    • US20140270514A1
    • 2014-09-18
    • US13830996
    • 2013-03-14
    • ILI TECHNOLOGY CORPORATION
    • Tsung-Hsi CHIANGChing-Fang HSIAO
    • G06T5/00
    • H04N1/56H04N1/6075
    • An image processing method is adapted for color enhancement of an original image pixel. The original image pixel is composed of a plurality of pixel components each having a component value. The image processing method includes: determining a hue region to which the original image pixel belongs based directly on the component values of the pixel components thereof; selecting a color enhancement parameter corresponding to the determined hue region; and obtaining a color enhanced pixel according to the selected color enhancement parameter and the component values of the pixel components of the original image pixel.
    • 图像处理方法适用于原始图像像素的颜色增强。 原始图像像素由具有分量值的多个像素分量组成。 图像处理方法包括:基于其像素分量的分量值,直接确定原始图像像素所属于的色调区域; 选择对应于所确定的色调区域的颜色增强参数; 以及根据所选择的颜色增强参数和原始图像像素的像素分量的分量值获得颜色增强像素。
    • 18. 发明申请
    • BACKLIGHT DRIVING CIRCUIT AND METHOD
    • 背光驱动电路及方法
    • US20130257706A1
    • 2013-10-03
    • US13657982
    • 2012-10-23
    • ILI TECHNOLOGY CORPORATION
    • Ming-yu TSAITai-Yuan CHENChien-Kuo WANG
    • G09G3/34
    • G09G3/3426G09G2320/0247G09G2320/0257G09G2320/064
    • A backlight driving circuit includes a scan driver operatively associated with pixel circuits in a matrix formation, and a backlight driver. The scan driver activates the pixel circuits in a row-by-row manner within a frame interval for provision of data voltages to the pixel circuits in each row of the matrix formation, respectively. The backlight driver adjusts a duty cycle of a backlight driving signal for a backlight source such that the backlight source is deactivated when at least one of the pixel circuits is yet to be activated within the frame interval, and adjusts the duty cycle to gradually increase brightness of light output from the backlight source when all of the pixel circuits have been activated within the frame interval.
    • 背光驱动电路包括与矩阵结构中的像素电路可操作地相关联的扫描驱动器和背光驱动器。 扫描驱动器在帧间隔内以行逐行方式激活像素电路,以分别向阵列阵列的每一行中的像素电路提供数据电压。 背光驱动器调节用于背光源的背光驱动信号的占空比,使得当至少一个像素电路在帧间隔内尚未被激活时,背光源被去激活,并且调整占空比以逐渐增加亮度 当所有像素电路在帧间隔内被激活时,从背光源输出的光。
    • 19. 发明授权
    • Differential amplifier circuit
    • 差分放大电路
    • US08159302B2
    • 2012-04-17
    • US12975824
    • 2010-12-22
    • Sung-Yau YehKuo-Jen Hsu
    • Sung-Yau YehKuo-Jen Hsu
    • H03F3/45
    • H03F3/45219H03F1/0205H03F3/3028H03F2200/297H03F2203/30021
    • A differential amplifier circuit includes: P-type and N-type differential input units outputting respectively first and second outputs in response to first and second input voltages; a P-type current mirror circuit driven by the second output; an N-type current mirror circuit driven by the first output; an output unit outputting an output voltage in response to control outputs from the P-type and N-type current mirror circuits; a first sub-current source including first and second P-type transistors connected in series; and a second sub-current source including first and second N-type transistors connected in series. Control ends of the second P-type and second N-type transistors receive the control outputs from the P-type and N-type current mirror circuits, respectively. Control ends of the first P-type and first N-type transistors are coupled to a common node between the first and second P-type transistors, and a common node between the first and second N-type transistors, respectively.
    • 差分放大电路包括:P型和N型差分输入单元,响应于第一和第二输入电压分别输出第一和第二输出; 由第二输出驱动的P型电流镜电路; 由第一输出驱动的N型电流镜电路; 输出单元响应于来自P型和N型电流镜电路的控制输出而输出输出电压; 包括串联连接的第一和第二P型晶体管的第一子电流源; 以及包括串联连接的第一和第二N型晶体管的第二子电流源。 第二P型和第二N型晶体管的控制端分别从P型和N型电流镜电路接收控制输出。 第一P型和第N型晶体管的控制端分别耦合到第一和第二P型晶体管之间的公共节点,以及第一和第二N型晶体管之间的公共节点。
    • 20. 发明申请
    • Real-Time image processing circuit capable of enhancing brightness contrast and color saturation
    • 实时图像处理电路能够增强亮度对比度和色彩饱和度
    • US20110228168A1
    • 2011-09-22
    • US12924450
    • 2010-09-28
    • Tsung-Hsi ChiangChing-Fang Hsiao
    • Tsung-Hsi ChiangChing-Fang Hsiao
    • H04N9/68
    • H04N5/57H04N9/643H04N9/68H04N21/4318
    • A real-time image processing circuit includes: a first converting unit for converting an input image frame into hue data, first saturation data and first luminance data; a saturation processing unit operable to adjust the first saturation data based on saturation mapping information to generate second saturation data corresponding to the input image frame and having a saturation distribution range larger than that of the first saturation data; a luminance processing unit operable to adjust the first luminance data based on luminance mapping information to generate second luminance data corresponding to the input image frame and having a luminance distribution range larger than that of the first luminance data; and a second converting unit for converting the hue data, the second saturation data and the second luminance data into an output image frame corresponding to the input image frame and outputting the output image frame.
    • 实时图像处理电路包括:第一转换单元,用于将输入图像帧转换成色相数据,第一饱和数据和第一亮度数据; 饱和处理单元,其可操作以基于饱和度映射信息来调整所述第一饱和度数据,以生成与所述输入图像帧相对应的饱和分布范围大于所述第一饱和度数据的饱和度分布范围的第二饱和度数据; 亮度处理单元,其可操作以基于亮度映射信息调整第一亮度数据,以生成与输入图像帧相对应的亮度分布范围大于第一亮度数据的亮度分布范围的第二亮度数据; 以及第二转换单元,用于将色相数据,第二饱和度数据和第二亮度数据转换为与输入图像帧相对应的输出图像帧,并输出输出图像帧。