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US09122008B2 Optical element with infrared absorbing layer and lens module including same 有权
具有红外吸收层的光学元件和包括其的透镜模块

Optical element with infrared absorbing layer and lens module including same
Abstract:
An optical element includes a transparent substrate and an infrared absorbing layer on an object-side surface of the transparent substrate. The infrared absorbing layer is a thermo sensitive ink printed or deposited on the transparent substrate. The thermo sensitive ink is cured to blue color.
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