Sensing device
AssigneeInnolux Corporation
InventorsI-An Yao, Yu-Tsung Liu
Life of this patent
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Abstract
A sensing device includes: a first substrate; a plurality of sensing units disposed on the first substrate, wherein the plurality of sensing units are used for sensing light with wavelengths within a wavelength range; and a second substrate disposed opposite to the first substrate and assembled to the first substrate, wherein the second substrate has an overlapping area overlapping with the plurality of sensing units in a normal direction of the first substrate, wherein the second substrate has an optical lens in the overlapping area, the optical lens includes a plurality of micro-structures, and a pitch between the plurality of micro-structures is less than or equal to a maximum wavelength value of the wavelength range.
Claims19
A sensing device, comprising:
- a first substrate;
- a plurality of sensing units disposed on the first substrate, wherein the plurality of sensing units are used for sensing light with wavelengths within a wavelength range;
- and
- a second substrate disposed opposite to the first substrate and assembled to the first substrate, wherein the second substrate has an overlapping area overlapping with the plurality of sensing units in a normal direction of the first substrate,
- wherein the second substrate has an optical lens in the overlapping area, the optical lens comprises a plurality of micro-structures, and a pitch between the plurality of micro-structures is less than or equal to a maximum wavelength value of the wavelength range;
- wherein a distance between the optical lens and the plurality of sensing units is between 150 μm and 250 μm in the normal direction of the first substrate.
Dependencies are inferred from the claim text.