Optical lens assembly, imaging apparatus and electronic device
AssigneeLargan Precision Co., Ltd.
InventorsWen-Yu TSAI, Pei-Chi CHANG, Yu Jie HONG, Chun-Hung TENG
Life of this patent
Estimating the term…
Loading patent…
AssigneeLargan Precision Co., Ltd.
InventorsWen-Yu TSAI, Pei-Chi CHANG, Yu Jie HONG, Chun-Hung TENG
Estimating the term…
An optical lens assembly includes at least four optical lens elements being, in order from an object side of the optical lens assembly to an image side thereof, a first optical lens element, a second optical lens element, a third optical lens element and a fourth optical lens element. At least one of the at least four optical lens elements is a filter lens element, the filter lens element includes a near-infrared light filter coating membrane, the filter lens element is made of a glass material, and the filter lens element has at least one aspheric surface. The near-infrared light filter coating membrane includes at least one low refractive index layer and at least one high refractive index layer, and the near-infrared light filter coating membrane is formed by alternately stacking the at least one high refractive index layer and the at least one low refractive index layer.
An optical lens assembly, comprising:
An optical lens assembly, comprising:
Dependencies are inferred from the claim text.