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    • 1. 发明申请
    • METHOD AND DEVICE FOR PROVIDING PRIVACY ON A DISPLAY
    • 用于在显示器上提供隐私的方法和设备
    • WO2009069048A1
    • 2009-06-04
    • PCT/IB2008/054889
    • 2008-11-21
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.HEKSTRA, Gerben, J.RAJAGOPALAN, Ruben
    • HEKSTRA, Gerben, J.RAJAGOPALAN, Ruben
    • G09G3/36
    • G09G3/3611G09G2300/0452G09G2320/068G09G2358/00
    • The present invention relates to a processing device and a method of providing privacy for a display device comprising a display panel arranged to display a first image signal (405), the display panel having an off-axis tonal reproduction curve that is different from the on-axis tonal reproduction curve of the display panel, and the display panel comprising a group of adjacent subpixels, wherein subpixels of the group of adjacent subpixels contribute at least a common primary color component, and wherein the group of adjacent subpixels associated with at least one pixel; the method comprising modulating control signals of individual subpixels of the group of adjacent subpixels, using a second image signal (425), the control signals arranged to generate tonal values for at least two of the individual subpixels of the group of adjacent subpixels that are at least in part decorrelated from the first image signal when viewed off-axis, and to generate tonal values for the group of adjacent subpixels that on average correspond to the first image signal when viewed on-axis.
    • 本发明涉及一种为显示设备提供隐私的处理设备和方法,该显示设备包括布置成显示第一图像信号(405)的显示面板,该显示面板具有不同于开启的离轴色调再现曲线 所述显示面板的色调再现曲线,并且所述显示面板包括一组相邻子像素,其中所述相邻子像素组中的子像素至少贡献共同的原色分量,并且其中所述相邻子像素组与至少一个子像素相关联 像素; 所述方法包括使用第二图像信号(425)调制所述相邻子像素组的各个子像素的控制信号,所述控制信号被布置成为所述相邻子像素组中的至少两个子像素产生色调值 当从离轴观察时,从第一图像信号中至少部分去相关,并且当在轴上观看时平均对应于第一图像信号的相邻子像素组产生色调值。