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US 2013/0258455 A1Published application
Optical element with infrared absorbing layer and lens module including same
AssigneeHon Hai Precision Industry Co., Ltd.
InventorSHAO-KAI PEI
Life of this patent
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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.
Claims10
An optical element, comprising:
- a transparent substrate comprising an object-side surface;
- and
- an infrared absorbing layer positioned on the object-side surface of the transparent substrate;
- wherein the infrared absorbing layer is a thermo-sensitive ink, the thermo-sensitive ink is cured in blue color.
1 more element
A lens module, comprising:
- a lens barrel;
- an optical element received in the lens barrel, comprising:
- a transparent substrate comprising an object-side surface;
- and
- an infrared absorbing layer positioned on the object-side surface of the transparent substrate;
- wherein the infrared absorbing layer is a thermo-sensitive ink, the thermo-sensitive ink is cured in blue color.
3 more elements
Dependencies are inferred from the claim text.