公开(公告)号：US20100149162A1

公开(公告)日：2010-06-17

申请号：US12505392

申请日：2009-07-17

申请人： Kyong-Tae PARK ,  Young-II KIM

发明人： Kyong-Tae PARK ,  Young-II KIM

IPC分类号： G06F3/038

CPC分类号： G09G3/2007

摘要： 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.

摘要翻译： 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。