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1. 发明授权

US08576158B2 Contrast ratio promotion method 有权
标题翻译：对比度推广方法
公开(公告)号：US08576158B2
公开(公告)日：2013-11-05
申请号：US12370108
申请日：2009-02-12
申请人： Wen Cheng Huang , Lu Hao Chen , Sung Yu Tsai , Chang Chen Chien
发明人： Wen Cheng Huang , Lu Hao Chen , Sung Yu Tsai , Chang Chen Chien
IPC分类号： G09G3/36
CPC分类号： H04N5/57 , G09G3/3406 , G09G2320/0238 , G09G2320/0646 , G09G2320/0653 , G09G2320/066 , H04N21/4318 , H04N21/44008
摘要： A contrast ratio promotion method for a display device is provided. The display device contains a back light module having a brightness and has a maximum luminance. The contrast ratio promotion method comprises the steps of continuously receiving a picture signal during each unit time, continuously calculating a ratio of a luminance of a picture corresponding to the picture signal to the maximum luminance, where the ratio is defined as an instant relative luminance, setting a first ratio, a first buffer time and a first adjusting time, and gradually reducing the brightness of the back light module to a minimum brightness during the first adjusting time when a first cumulated time for the respective consecutive plural instant relative luminances being smaller than the first ratio is longer than the first buffer time.
摘要翻译：提供了一种用于显示装置的对比度提升方法。显示装置包含具有亮度并具有最大亮度的背光模块。对比度提升方法包括以下步骤：在每个单位时间内连续地接收图像信号，连续计算与图像信号相对应的图像的亮度与最大亮度的比值，其中该比率被定义为即时相对亮度，设置第一比例，第一缓冲时间和第一调整时间，并且当第一累积时间对于相应的连续多个即时相对亮度小于第一调整时间时，在第一调整时间期间逐渐将背光模块的亮度降低到最小亮度第一比率比第一缓冲时间长。

2. 发明申请

US20090207127A1 CONTRAST RATIO PROMOTION METHOD 有权
标题翻译：对比度推广方法
公开(公告)号：US20090207127A1
公开(公告)日：2009-08-20
申请号：US12370108
申请日：2009-02-12
申请人： Wen Cheng Huang , Lu Hao Chen , Sung Yu Tsai , Chang Chen Chien
发明人： Wen Cheng Huang , Lu Hao Chen , Sung Yu Tsai , Chang Chen Chien
IPC分类号： G09G3/36
CPC分类号： H04N5/57 , G09G3/3406 , G09G2320/0238 , G09G2320/0646 , G09G2320/0653 , G09G2320/066 , H04N21/4318 , H04N21/44008
摘要： A contrast ratio promotion method for a display device is provided. The display device contains a back light module having a brightness and has a maximum luminance. The contrast ratio promotion method comprises the steps of continuously receiving a picture signal during each unit time, continuously calculating a ratio of a luminance of a picture corresponding to the picture signal to the maximum luminance, where the ratio is defined as an instant relative luminance, setting a first ratio, a first buffer time and a first adjusting time, and gradually reducing the brightness of the back light module to a minimum brightness during the first adjusting time when a first cumulated time for the respective consecutive plural instant relative luminances being smaller than the first ratio is longer than the first buffer time.
摘要翻译：提供了一种用于显示装置的对比度提升方法。显示装置包含具有亮度并具有最大亮度的背光模块。对比度提升方法包括以下步骤：在每个单位时间内连续地接收图像信号，连续计算与图像信号相对应的图像的亮度与最大亮度的比值，其中该比率被定义为即时相对亮度，设置第一比例，第一缓冲时间和第一调整时间，并且当第一累积时间对于相应的连续多个即时相对亮度小于第一调整时间时，在第一调整时间期间逐渐将背光模块的亮度降低到最小亮度第一比率比第一缓冲时间长。

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