Aperture Module Blade Nesting for Folded Camera Thickness

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Solution Overview

Problem

The challenge in integrating an aperture module into a folded camera module is the limited space, which affects the thickness of mobile devices.

Innovation Solution

The aperture module includes a base with a plurality of rotatably disposed blades forming an incident hole, and a moving portion with first and second moving frames that move relative to the base, allowing the rotation axis of each blade to move together with these frames, thereby changing the size of the incident hole.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If an aperture module is applied to a folded camera module, then light incidence can be controlled, but the thickness of the mobile device increases

Engineering Contradiction:

Improvelight incidence controlVSAvoidthickness

Core Design Contradiction:

ReliabilityVSLength of moving object

Solution Approach 1:

The aperture module is integrated within the folded camera module structure by nesting the blade assembly inside the existing module housing. The blades are arranged concentrically around the optical path, allowing the aperture control function to be embedded within the limited space of the folded camera module without adding external thickness.

Inventive Principle:

Principle #7Nested doll (Nesting)

Solution Approach 2:

The aperture control mechanism operates in a radial dimension rather than extending the optical path in the thickness direction. By rotating blades around a central axis perpendicular to the thickness direction, the aperture area can be adjusted without increasing the Z-axis thickness of the folded camera module.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

2Adaptability or versatility

If a folded camera module configuration is used, then the optical path can be bent, but the space for aperture module integration is limited

Engineering Contradiction:

Improveoptical path bendingVSAvoidintegration space

Core Design Contradiction:

Adaptability or versatilityVSArea of stationary object

Solution Approach 1:

The aperture module is divided into separate functional components: a stationary base providing structural support and a movable blade assembly for aperture control. This segmentation allows each component to be optimized for its specific function while fitting within the constrained space of the folded camera module.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The blade assembly is designed to be movable relative to the base, allowing dynamic adjustment of the aperture size through rotation. This dynamic mechanism enables aperture control functionality to be achieved within a compact footprint by utilizing rotational motion in the available lateral space rather than requiring additional thickness.

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS20250172853A1Aperture module and camera module including aperture module

Publication Date: 2025.05.29 SAMSUNG ELECTRO MECHANICS CO LTD

AI summary

An aperture module includes a base; a plurality of blades rotatably disposed on the base and forming an incident hole; and a moving portion configured to move relative to the base, wherein the moving portion includes a first moving frame and a second moving frame configured to move toward and away from each other, and a rotation axis of each of the plurality of blades moves together with the first moving frame and the second moving frame.