Movable Lens Module and Light Shielding Component for Optical Zoom

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Solution Overview

Problem

Mobile devices, such as smartphones, lack the optical zoom function and adjustable aperture, making it difficult to capture clear images in various lighting conditions due to their compact and complex structure.

Innovation Solution

A camera module with a lens module that moves along its axis to adjust the distance with an optical element, coupled with a light shielding component that adjusts its opening size through a connecting structure, allowing for optical zoom and aperture control to optimize light entry.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If SLR cameras use optical zoom by moving the lens, then the optical zoom function is achieved, but the device becomes large in size and complex in structure

Engineering Contradiction:
Improveoptical zoom functionVSAvoidstructure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent combines the optical zoom function with a mobile phone camera module by integrating a movable lens module that can change focal length, merging the complexity of SLR optical zoom into a compact mobile device structure

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The lens module is designed to be movable along the optical axis, allowing dynamic adjustment of focal length for optical zoom, while the light shielding component dynamically adjusts aperture size based on shooting requirements

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If the aperture size is fixed in miniaturized devices, then the device structure is simple, but the device cannot adapt to various shooting environments

Engineering Contradiction:
Improveadaptation to shooting environmentsVSAvoidaperture adjustment mechanism
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The light shielding component is designed with adjustable opening size that can be dynamically changed by the lens module's movement, allowing the aperture to adapt to different lighting conditions and shooting environments

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The light shielding component serves multiple functions: it acts as both a structural element and an adjustable aperture mechanism, allowing the same component to control light entry while maintaining structural integrity

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentEP3896516B1Camera and terminal device
Publication Date: 2024.07.31 BEIJING XIAOMI MOBILE SOFTWARE CO LTD
  • EP3896516B1 patent drawingFigure 1
  • EP3896516B1 patent drawingFigure 2
  • EP3896516B1 patent drawingFigure 3~4

AI summary

A camera comprising a lens module (1) configured to move along its axis; an optical element (2), wherein the lens module (1) moves toward or away from the optical element (2) along its axis to adjust a distance between the optical element (2) and the lens module (1); and/or, the camera includes a light shielding component (3) and a connecting structure (4), and the lens module (1) is connected to the light shielding component (3) through the connecting structure (4), the lens module (1) moves along its axis, and drives the light shielding component (3) to move through the connecting structure (4), to adjust a size of an opening of the light shielding component (3). By moving the lens module (1) toward or away from the optical element (2) along its axis, a distance between the optical element (2) and the lens module (1) is adjusted to realize an optical zoom function of the camera, and to obtain a clearer picture quality. The light shielding component (3) and the lens module (1) are connected through a connecting structure (4), and the connecting structure (4) drives the light shielding component (3) to move, a size of an opening of the light shielding component (3) is adjusted, and then an amount of light entering the lens module (1) is adjusted to apply to various shooting situations.