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US 11,971,557 B2Granted
Optical processing apparatus, camera module, electronic device and capturing method
AssigneeBeijing Xiaomi Mobile Software Co., Ltd.
InventorsZhidong Yin, Zongbao Yang, Hui Wang
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Abstract
An optical processing apparatus includes: a light splitting assembly, disposed on an optical path of an incident light, and configured to receive the incident light and split the incident light into at least two waveband lights, a difference between optical path lengths of the at least two waveband lights being less than a set threshold; and a light sensing assembly, disposed on optical paths of the at least two waveband lights, and configured to receive the at least two waveband lights.
Claims19
An optical processing apparatus, comprising:
- a light splitting assembly, disposed on an optical path of an incident light and configured to receive the incident light and split the incident light into at least two lights with different waveband, a difference between optical path lengths of at least two optical paths, respectively from an incident surface of the light splitting assembly where the incident light enters to surfaces of the light splitting assembly where the least two lights emit, being less than a set threshold;
- and
- a light sensing assembly, disposed on optical paths of the at least two lights and configured to receive the at least two lights;
- wherein the light splitting assembly comprises:
- a light splitting element, disposed on the optical path of the incident light and configured to split the incident light into a first light with a first waveband, a second light with a second waveband and a third light with a third waveband;
- wherein the light splitting element is a triangular prism and has the incident surface, a first surface and a second surface respectively corresponding to three side surfaces of the triangular prism, from which the third light with the third waveband, the first light with the first waveband and the second light with the second waveband emit respectively.
3 more elements
A camera module, comprising:
- a lens group and an optical processing apparatus;
- and wherein:
- the lens group is configured to focus an object to be captured, collect reflected light of the object to be captured and output the reflected light to the optical processing apparatus;
- and
- wherein the optical processing apparatus is configured to receive an incident light output by the lens group and comprises:
- a light splitting assembly, disposed on an optical path of an incident light and configured to receive the incident light and split the incident light into at least two lights with different waveband, a difference between optical path lengths of at least two optical paths waveband lights, respectively from an incident surface of the light splitting assembly where the incident light enters to surfaces of the light splitting assembly where the least two lights emit, being less than a set threshold;
- and
- a light sensing assembly, disposed on optical paths of the at least two lights and configured to receive the at least two lights;
- wherein the light splitting assembly comprises:
- a light splitting element, disposed on the optical path of the incident light and configured to split the incident light into a first light with a first waveband, a second light with a second waveband and a third light with a third waveband;
- wherein the light splitting element is a triangular prism and has the incident surface, a first surface and a second surface respectively corresponding to three side surfaces of the triangular prism, from which the third light with the third waveband, the first light with the first waveband and the second light with the second waveband emit respectively.
8 more elements
An image capturing method of an electronic device, comprising:
- receiving a first input;
- and
- acquiring, in response to the first input, at least two frames of images formed by respectively sensing at least two lights with different waveband, a difference between optical path lengths of the at least two optical paths, respectively from an incident surface of a light splitting assembly in the electronic device where an incident light enters to surfaces of the light splitting assembly where the least two lights emit, being less than a set threshold;
- and
- generating a target image of a captured object according to the at least two frames of images,
- wherein:
- sensing the at least two lights with different wavebands comprises:
- sensing a first light with a first waveband, a second light with a second waveband and a third light with a third waveband which are obtained by splitting the incident light through a light splitting element in the light splitting assembly;
- and
- wherein the light splitting element is a triangular prism has the incident surface, a first surface and a second surface respectively corresponding to three side surfaces of the triangular prism, from which the third light with the third waveband, the first light with the first waveband and the second light with the second waveband emit respectively.
7 more elements
Dependencies are inferred from the claim text.