首页>
外国专利>
Apparatus and method for use in different ambient lighting conditions
Apparatus and method for use in different ambient lighting conditions
展开▼
机译:在不同的环境照明条件下使用的设备和方法
展开▼
页面导航
摘要
著录项
相似文献
摘要
An apparatus comprises: an artificial visible light source (8); a layer of photochromic material (2) overlying the artificial light source (8); a layer of opaque material (4) overlying the layer of photochromic material; and one or more apertures (6) through the layer of opaque material (4). The apparatus and a method providing the apparatus are used in different ambient lighting conditions.
展开▼