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    • 4. 发明授权
    • Display apparatus and driving method thereof
    • 显示装置及其驱动方法
    • US07742025B2
    • 2010-06-22
    • US11535167
    • 2006-09-26
    • Si-Duk SungKyong-Tae ParkNam-Deog KimChun-Seok Ko
    • Si-Duk SungKyong-Tae ParkNam-Deog KimChun-Seok Ko
    • G09G3/32
    • G09G3/3233G09G2300/0842G09G2310/0254G09G2310/04G09G2320/0261G09G2320/043
    • A display apparatus includes a plurality of pixels arranged in a matrix. Each pixel includes a light emitting device, a driving transistor for supplying a driving current to the light emitting device, a first switching transistor coupled with the control terminal of the driving transistor to transmit a data voltage, and a second switching transistor coupled with the control terminal of the driving transistor to transmit a reverse voltage. The first and second switching transistors are alternately coupled with scanning lines driven by one of two scanning drivers, and are alternately turned on at different times. The display apparatus periodically applies the reverse voltage to the driving transistors to turn off the diving transistors and to compensate for variation of the threshold voltage of the driving transistors.
    • 显示装置包括以矩阵形式布置的多个像素。 每个像素包括发光器件,用于向发光器件提供驱动电流的驱动晶体管,与驱动晶体管的控制端耦合以传输数据电压的第一开关晶体管,以及与控制器耦合的第二开关晶体管 驱动晶体管的端子传输反向电压。 第一和第二开关晶体管与由两个扫描驱动器之一驱动的扫描线交替耦合,并且在不同的时间交替地接通。 显示装置周期性地向驱动晶体管施加反向电压以关闭潜水晶体管并补偿驱动晶体管的阈值电压的变化。
    • 5. 发明申请
    • Display device and driving method of the same
    • 显示装置及其驱动方法相同
    • US20070236422A1
    • 2007-10-11
    • US11655876
    • 2007-01-18
    • Kyong-Tae ParkChun-Seok KoSi-Duk SungJung-Nam Park
    • Kyong-Tae ParkChun-Seok KoSi-Duk SungJung-Nam Park
    • G09G3/30
    • G09G3/3233G09G3/3291G09G2300/0452G09G2300/0842G09G2310/027G09G2310/0297G09G2320/0242G09G2320/043G09G2320/0666
    • A display device includes a first pixel representing a first color, a second pixel representing a second color, a first scanning line connected to the first pixel and transmitting a first scanning signal, a second scanning line connected to the second pixel and transmitting a second scanning signal, a data line connected to the first pixel and the second pixel and transmitting a data voltage, a scanning driver for applying the scanning signal to the scanning line, a gray voltage generator for generating gray voltage sets respective to the different colors of pixels, and a data driver for converting an image signal for the first pixel into a gray voltage selected from the set of gray voltages for the first pixel et and converting a second image signal into a second gray voltage selected from the set of gray voltages for the second pixel and sequentially applying the selected gray voltages to the data line serving the two pixels.
    • 显示装置包括表示第一颜色的第一像素,表示第二颜色的第二像素,连接到第一像素并发送第一扫描信号的第一扫描线,连接到第二像素的第二扫描线,并发送第二扫描 信号,连接到第一像素和第二像素并传送数据电压的数据线,用于将扫描信号施加到扫描线的扫描驱动器,用于产生与不同颜色的像素相对应的灰度电压集合的灰度电压发生器, 以及数据驱动器,用于将用于第一像素的图像信号转换成从用于第一像素的灰度电压集合中选择的灰色电压,并将第二图像信号转换成从用于第二像素的灰度电压组中选择的第二灰色电压 并将所选择的灰度电压顺序地施加到用于两个像素的数据线。
    • 10. 发明授权
    • Method for compensating voltage drop of display device, system for voltage drop compensation and display device including the same
    • 用于补偿显示装置的压降的方法,用于电压降补偿的系统和包括其的显示装置
    • US08232987B2
    • 2012-07-31
    • US12505392
    • 2009-07-17
    • Kyong-Tae ParkYoung-Il Kim
    • Kyong-Tae ParkYoung-Il Kim
    • G06F3/038G09G5/00
    • G09G3/2007
    • The present invention relates to a method for compensating voltage drop of a display device, a system for voltage drop compensation, and a display device including the same. A method for compensating a voltage drop of a display device including a display panel, a maximum compensation voltage table MLEC LUT for voltage compensation when a voltage drop is a maximum in the display panel, and a voltage drop coefficient table LEC LUT representing voltage drop coefficients with respect to total output currents during one frame according to an embodiment of the present invention comprises: receiving an input image signal; gamma-converting the input image signal to obtain a pre-compensation data voltage; obtaining a first total output current flowing in all pixels PX of the display panel during one frame based on the input image signal; obtaining a first voltage drop compensation voltage V_LEC based on the voltage drop coefficient table LEC LUT and the maximum compensation voltage table MLEC LUT; and adding the first voltage drop compensation voltage V_LEC to the pre-compensation data voltage to obtain the post-compensation data voltage.
    • 本发明涉及一种用于补偿显示装置的电压降的方法,一种用于电压降补偿的系统,以及包括该方法的显示装置。 一种用于补偿包括显示面板的显示装置的电压降的方法,当显示面板中的电压降最大时,用于电压补偿的最大补偿电压表MLEC LUT以及表示电压降系数的压降系数表LEC LUT 根据本发明的实施例,相对于一帧期间的总输出电流包括:接收输入图像信号; 伽马转换输入图像信号以获得预补偿数据电压; 基于所述输入图像信号获得在一帧期间在所述显示面板的所有像素PX中流动的第一总输出电流; 基于电压降系数表LEC LUT和最大补偿电压表MLEC LUT获得第一电压降补偿电压V_LEC; 并将第一电压降补偿电压V_LEC添加到预补偿数据电压以获得补偿后数据电压。