公开(公告)号：US20140267370A1

公开(公告)日：2014-09-18

申请号：US13801918

申请日：2013-03-13

Applicant: APPLE INC.

Inventor： Marc Albrecht ,  Christopher Philip Alan Tann ,  Nocholas G. Roland

IPC: G09G5/10

CPC classification number: G09G5/006 ,  G09G2320/0626 ,  G09G2330/022 ,  G09G2340/0435 ,  G09G2360/18

Abstract: A method is provided for compensating for brightness change in a display. The method includes storing a plurality of look-up tables (LUTs), where each table has a plurality of pixel levels at a variable refresh rate (VRR) and a plurality of brightness signals that provide compensation for the brightness change when refresh rate is changed during a panel self-refresh (PSR). The method also includes receiving an input signal from a graphics processing unit (GPU) and determining the VRR of the input signal from the GPU. The method further includes obtaining the LUT at the determined VRR of the input signal and adjusting the input signal to produce an output signal that compensates for the brightness change for each pixel or sub-pixel in a timing controller based upon the LUT at the determined VRR. The method further includes transmitting the output signal to the display. A system is also provided.

Abstract translation: 提供了一种补偿显示器亮度变化的方法。 该方法包括存储多个查找表（LUT），其中每个表具有可变刷新率（VRR）的多个像素级和当刷新率改变时为亮度改变提供补偿的多个亮度信号 在面板自刷新（PSR）期间。 该方法还包括从图形处理单元（GPU）接收输入信号并确定来自GPU的输入信号的VRR。 该方法还包括在确定的输入信号的VRR上获得LUT并调整输入信号以产生一个输出信号，该输出信号基于在所确定的VRR上的LUT来补偿定时控制器中的每个像素或子像素的亮度变化 。 该方法还包括将输出信号发送到显示器。 还提供了一个系统。