发明授权
US07602550B2 Stable rear projection screen and method for the production thereof 失效
稳定的背投屏幕及其制作方法

Stable rear projection screen and method for the production thereof
摘要:
The present invention relates to rear-projection screens which have at least one scattering layer encompassing scattering particles and has at least one backing layer, characterized in that the halved-intensity angle of the scattering layer is greater than or equal to 15° and the halved-intensity angle of the backing layer is smaller than or equal to 6.5°, where the gloss R60° of the backing layer is smaller than or equal to 70.
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