发明名称 |
Display screen burn-in prevention device and burn-in prevention method |
摘要 |
A burn-in prevention image signal is generated by subjecting an input image signal to blurring and then to contrast inversion to invert the contrast of the signal luminance level. The burn-in prevention image signal is used when the input image is a still image that does not change for a predetermined period.
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申请公布号 |
US7271828(B2) |
申请公布日期 |
2007.09.18 |
申请号 |
US20040816855 |
申请日期 |
2004.04.05 |
申请人 |
PIONEER CORPORATION |
发明人 |
OKANO AKIHIRO |
分类号 |
G09G3/20;H04N3/20;G09G3/28;G09G5/00 |
主分类号 |
G09G3/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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