Lens module and electronic device
AssigneeHuawei Technologies Co., Ltd.
InventorsYajun Niu, Haishui Ye, Chiachun Chang
Life of this patent
Estimating the term…
Abstract
This application provides a lens module and an electronic device. The lens module includes an imaging lens group, a light filter, and an image sensor, the imaging lens group includes a plurality of lenses whose optical axes mutually overlap, the plurality of lenses include a liquid lens, a plastic lens, and a functional optical element, the functional optical element is a functional lens and/or a diffractive optical element, and a refractive index temperature coefficient β of the functional lens meets: −9×10-5≤β≤9×10-5.
Claims20
A lens apparatus, comprising:
- an imaging lens group;
- a light filter;
- and
- an image sensor;
- and
- wherein the light filter is disposed between the imaging lens group and the image sensor, the imaging lens group comprises a plurality of lenses whose optical axes mutually overlap, the plurality of lenses comprise a liquid lens, a plastic lens, and a functional optical element, the functional optical element comprises a functional lens, and a refractive index temperature coefficient β of the functional lens meets:
- −9×10−5≤β≤9×10−5;
- wherein the functional lens is a glass lens, and the glass lens is a lens closest to a center of gravity of the imaging lens group;
- wherein the imaging lens group further comprises an aperture stop next to the liquid lens;
- and
- wherein the liquid lens comprises a thin film body in which liquid is encapsulated, a pressing element, and an actuator, and wherein the actuator is configured to push the pressing element to press the thin film body, causing the pressing element to change a surface shape of the thin film body.
An electronic device, comprising:
- a processor;
- and
- a lens apparatus, comprising:
- an imaging lens group, a light filter, and an image sensor, wherein the light filter is disposed between the imaging lens group and the image sensor, the imaging lens group comprises a plurality of lenses whose optical axes mutually overlap, the plurality of lenses comprise a liquid lens, a plastic lens, and a functional optical element, the functional optical element comprises a functional lens, and a refractive index temperature coefficient β of the functional lens meets:
- −9×10−5≤β≤9×10−5;
- and
- wherein the functional lens is a glass lens, and the glass lens is a lens closest to a center of gravity of the imaging lens group;
- wherein the imaging lens group further comprises an aperture stop next to the liquid lens;
- and
- wherein the liquid lens comprises a thin film body in which liquid is encapsulated, a pressing element, and an actuator, and wherein the actuator is configured to push the pressing element under control of the processor to press the thin film body, causing the pressing element to change a surface shape of the thin film body.
An electronic device, comprising:
- a processor;
- and
- a lens apparatus, comprising:
- an imaging lens group, a light filter, and an image sensor, wherein the light filter is disposed between the imaging lens group and the image sensor, the imaging lens group comprises a plurality of lenses whose optical axes mutually overlap, the plurality of lenses comprise a liquid lens, a plastic lens, and a functional optical element, the functional optical element comprises a functional lens, and a refractive index temperature coefficient β of the functional lens meets:
- −9×10−5≤β≤9×10−5;
- and
- wherein the functional lens is a glass lens, and the glass lens is a lens closest to a center of gravity of the imaging lens group;
- wherein the imaging lens group further comprises an aperture stop next to the liquid lens;
- and
- wherein the liquid lens comprises a thin film body in which liquid is encapsulated, a pressing element, and an actuator, and wherein the actuator is configured to push the pressing element under control of the processor to press the thin film body, causing the pressing element to change a surface shape of the thin film body;
- wherein the glass lens is a thinnest lens in the plurality of lenses;
- and
- wherein an object side surface or an image side surface of the functional lens is an aspherical surface.
Dependencies are inferred from the claim text.