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    • 2. 发明授权
    • Method of driving display panel and display apparatus for performing the same
    • 驱动显示面板的方法和执行该显示面板的显示装置
    • US08866799B2
    • 2014-10-21
    • US12938302
    • 2010-11-02
    • Bong-Ju JunNam-Gon ChoiJoo-Hwan ParkYong-Bum KimDong-Hyun Yeo
    • Bong-Ju JunNam-Gon ChoiJoo-Hwan ParkYong-Bum KimDong-Hyun Yeo
    • G09G5/00G06T1/60G09G5/36G09G3/36
    • G09G3/36G09G5/00G09G5/36
    • A display apparatus includes a display panel, a plurality of gate lines driving circuit parts, a plurality of data lines driving circuit parts and a timing control part. The display panel includes a plurality of gate lines and a plurality of data lines. The gate lines driving circuit parts output gate signals to the gate lines. The data lines driving circuit parts output data signals to the data lines. The timing control part applies a dummy gate signal to at least one dummy gate line, controls a latch sequence of image data and an output sequence of the gate lines driving circuit parts in a reverse sequence, in response to an inverted-mounting mode selection signal for displaying an inverted mount image to the display panel. Because signal lines can be shortened, heat generated by the display apparatus may be decreased and image quality of the display apparatus may be improved.
    • 显示装置包括显示面板,多个栅极线驱动电路部分,多个数据线驱动电路部分和定时控制部分。 显示面板包括多条栅极线和多条数据线。 栅线驱动电路部分将栅极信号输出到栅极线。 数据线驱动电路部分向数据线输出数据信号。 定时控制部分对至少一个虚拟栅极线施加虚拟栅极信号,响应于反向安装模式选择信号,以相反的顺序控制图像数据的锁存序列和栅极线驱动电路部分的输出序列 用于向显示面板显示反转安装图像。 由于可以缩短信号线,所以显示装置产生的热量可能会降低,从而可以提高显示装置的图像质量。
    • 4. 发明授权
    • Timing controller, display apparatus including the same, and method of driving the same
    • 定时控制器,包括其的显示装置及其驱动方法
    • US08933917B2
    • 2015-01-13
    • US13182782
    • 2011-07-14
    • Yong-Bum KimBong-Ju JunDong-Hyun YeoSang Keun Lee
    • Yong-Bum KimBong-Ju JunDong-Hyun YeoSang Keun Lee
    • G06F3/038G09G3/20G09G3/36G09G5/00
    • G09G3/2096G09G3/3648G09G5/008G09G2330/06
    • A timing controller includes a receiver, an internal clock generator, a first frequency converter, a first selector and a control signal generator. The receiver receives an image signal and a main clock signal having a first spread spectrum frequency from an external system, converts the main clock signal to a converted main clock signal and the image signal to a first converted image signal, and outputs the converted main clock signal as a first clock signal having a plurality of frequencies. The internal clock generator multiplies the frequencies of the first clock signal and generates a second clock signal having a frequency band within the multiplied frequencies of the first clock signal. The first frequency converter converts the second clock signal to a third clock signal having a second spread spectrum frequency. The first selector selects one of the second clock signal and the third clock signal in response to a first selection signal and outputs the selected one of the second clock signal and the third clock signal as a control clock signal. The control signal generator receives the control clock signal to generate a control signal synchronized with the control clock signal.
    • 定时控制器包括接收器,内部时钟发生器,第一变频器,第一选择器和控制信号发生器。 接收机从外部系统接收具有第一扩频频率的图像信号和主时钟信号,将主时钟信号转换为转换后的主时钟信号,将图像信号转换为第一转换图像信号,并输出转换后的主时钟 信号作为具有多个频率的第一时钟信号。 内部时钟发生器乘以第一时钟信号的频率,并产生具有在第一时钟信号的相乘频率内的频带的第二时钟信号。 第一变频器将第二时钟信号转换成具有第二扩频频率的第三时钟信号。 第一选择器响应于第一选择信号选择第二时钟信号和第三时钟信号之一,并将所选择的第二时钟信号和第三时钟信号中的一个作为控制时钟信号输出。 控制信号发生器接收控制时钟信号以产生与控制时钟信号同步的控制信号。
    • 6. 发明授权
    • Method for correcting a defect pixel
    • 纠正缺陷像素的方法
    • US08897592B2
    • 2014-11-25
    • US13197811
    • 2011-08-04
    • Byoung Seok YooJae-Gwan JeonBong-Ju Jun
    • Byoung Seok YooJae-Gwan JeonBong-Ju Jun
    • G06K9/00G06K9/40G06K9/62H04N9/64G06T5/00H04N1/407H04N1/409H04N5/367H04N9/04
    • H04N5/367G06T5/005G06T2207/10024G06T2207/20012H04N9/045
    • A method for correcting a defect pixel includes extracting a pixel value of a central pixel, and pixel values of each of a plurality of neighboring pixels around the central pixel in an image sensor by using a color filter; calculating reference levels by multiplying each the pixel value of the plurality of neighboring pixels by a weight value; calculating a total number of cases where the pixel value of the central pixel is larger or smaller than the reference level as a first comparison value or second comparison value, respectively; determining the central pixel is a defect pixel where the first or second comparison value is larger than a first or second control register value, by comparing the comparison values with the control register values, respectively; and correcting the central pixel determined as the defect pixel.
    • 用于校正缺陷像素的方法包括通过使用滤色器提取中心像素的像素值和图像传感器周围的中心像素周围的多个相邻像素中的每一个的像素值; 通过将所述多个相邻像素的每个像素值乘以权重值来计算参考电平; 计算中心像素的像素值大于或小于参考电平的情况的总数作为第一比较值或第二比较值; 通过将比较值与控制寄存器值进行比较,确定中心像素是其中第一或第二比较值大于第一或第二控制寄存器值的缺陷像素; 以及校正被确定为所述缺陷像素的所述中心像素。
    • 9. 发明授权
    • Apparatus and method for driving a display panel and display apparatus having the apparatus
    • 用于驱动显示面板的装置和方法以及具有该装置的显示装置
    • US08681183B2
    • 2014-03-25
    • US12399572
    • 2009-03-06
    • Bong-Im ParkHoi-Sik MoonBong-Ju JunJae-Won JeongYong-Jun Choi
    • Bong-Im ParkHoi-Sik MoonBong-Ju JunJae-Won JeongYong-Jun Choi
    • G09G5/10
    • G09G3/3688G09G2320/0242G09G2320/0673
    • A display apparatus includes a display panel, a timing controller and a data driver. The display panel includes a plurality of unit pixels respectively including a first sub-pixel and a second sub-pixel. The timing controller includes a first compensation unit which receives grayscale data corresponding to the unit pixels and generates first compensation data of the grayscale data using offset values of first sample compensation data sampled from a first gamma curve. The data driver includes a second compensation unit which generates second compensation data of the grayscale data using second sample compensation data sampled from a second gamma curve and the first compensation data. Accordingly, the first and second compensation data comprise color compensation data, which improve image quality. A method for driving the display panel of the display apparatus is also provided.
    • 显示装置包括显示面板,定时控制器和数据驱动器。 显示面板包括分别包括第一子像素和第二子像素的多个单位像素。 定时控制器包括:第一补偿单元,其接收对应于单位像素的灰度数据,并使用从第一伽马曲线采样的第一采样补偿数据的偏移值产生灰度数据的第一补偿数据。 数据驱动器包括第二补偿单元,其使用从第二伽马曲线采样的第二样本补偿数据和第一补偿数据来生成灰度数据的第二补偿数据。 因此,第一和第二补偿数据包括彩色补偿数据,其提高图像质量。 还提供了一种用于驱动显示装置的显示面板的方法。