Camera Module Holder with Protrusions for Compact Assembly
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Solution Overview
Problem
Existing camera modules face challenges in achieving compactness and low cost due to the need for a larger circuit board to facilitate bonding with the holder, which increases size and cost.
Innovation Solution
A camera module design featuring a lens barrel, holder with supporting protrusions, and a base, where the holder is attached to the base using these protrusions, reducing the required surface area of the base and allowing for a more compact and cost-effective assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the holder is attached to the circuit board using traditional bonding methods, then sufficient bonding area is achieved, but the circuit board surface area increases and cost increases
Solution Approach 1:
The holder is divided into two functional parts: a first end for holding the lens barrel and a second end with supporting protrusions for attachment to the base. This segmentation allows the bonding function to be separated from the lens holding function, enabling the holder to attach to the base rather than requiring extensive circuit board surface area for bonding.
Solution Approach 2:
The holder extends in a direction away from the first end toward the second end, utilizing the longitudinal dimension of the holder structure. The supporting protrusions extend from the second end along this direction, allowing attachment to the base without requiring additional surface area in the planar direction, thus reducing the circuit board area requirement.
2Reliability
If the circuit board size is increased to facilitate bonding with the holder, then sufficient bonding area is achieved, but the overall camera module size increases
Solution Approach 1:
The bonding function is extracted from the circuit board and transferred to the holder's second end with supporting protrusions. This allows the holder to attach directly to the base structure, eliminating the need for the circuit board to provide extensive bonding area, thereby reducing the overall camera module size.
Solution Approach 2:
The attachment structure utilizes the longitudinal dimension of the holder by extending supporting protrusions from the second end along the direction away from the first end. This dimensional utilization allows the holder to achieve sufficient bonding area without increasing the planar footprint of the camera module.
3Reliability
If traditional bonding methods are used to attach the holder, then bonding area is sufficient, but manufacturing cost increases
Solution Approach 1:
The holder is segmented into a first end for optical component holding and a second end with supporting protrusions for structural attachment. This segmentation enables the attachment function to be performed by the holder itself rather than requiring extensive circuit board bonding, reducing manufacturing complexity and cost.
Solution Approach 2:
The holder's second end with supporting protrusions provides its own attachment mechanism to the base, eliminating the need for the circuit board to provide separate bonding surfaces. This self-service attachment reduces the overall manufacturing complexity and cost while maintaining sufficient bonding area.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design minimizes the base area needed, achieving compactness and reducing costs while maintaining optical performance by using a friction fit and potential adhesive attachment, thus addressing the size and cost issues of traditional camera modules.
Implementation Method 1
The base contacts with the at least two supporting protrusions and is held in place thereby
Data Source
AI summary
A camera module (200) includes a lens barrel (202), at least one lens (204), a holder (206), and a base (210). The at least one lens is received in the lens barrel. The holder has a first end (212) and a second end (214). The holder further has a cavity (216) defined through the first end and the second end thereof. The first end holds the lens barrel. The second end is provided with at least two supporting protrusions (222) extending therefrom along a direction away from the first end of the holder. The base fixedly contacts with the at least two supporting protrusions. A method for assembling a camera module is also provided.