Liquid Lens Camera Module Temperature Sensing Integration
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Solution Overview
Problem
Conventional camera modules with multiple lenses face challenges in size increase due to the need for a separate lens-moving apparatus for auto-focusing and hand-tremor compensation, which also results in high power consumption and additional structural complexity.
Innovation Solution
A camera module incorporating a liquid lens that can sense its own temperature, featuring a first plate with individual electrodes and temperature detection elements spaced apart from the electrodes, connected to a temperature sensor for precise temperature monitoring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a separate lens-moving apparatus is used to perform auto-focusing and hand-tremor compensation functions, then the photographing functions are achieved, but the overall size of the camera module is increased and power consumption is high
Solution Approach 1:
The patent merges the liquid lens with the temperature sensor into a single integrated structure. The temperature sensor is disposed within the liquid lens, allowing the liquid lens to perform both its optical function and temperature sensing function simultaneously. This integration eliminates the need for separate components, thereby reducing the overall size of the camera module while maintaining the required photographing functions.
Solution Approach 2:
The liquid lens is designed to serve multiple functions: it acts as both an optical element for focusing and a temperature sensor. By incorporating temperature detection capability directly into the liquid lens structure, the system achieves multi-functionality, reducing the number of separate components needed and thereby decreasing the camera module's overall size.
2Adaptability or versatility
If a separate lens-moving apparatus is used to perform auto-focusing and hand-tremor compensation functions, then the photographing functions are achieved, but power consumption is high
Solution Approach 1:
The patent merges the liquid lens with the temperature sensor into a single integrated structure. The temperature sensor is disposed within the liquid lens, allowing the liquid lens to perform both its optical function and temperature sensing function simultaneously. This integration eliminates the need for separate components, thereby reducing the overall size of the camera module while maintaining the required photographing functions.
Solution Approach 2:
The liquid lens is designed to serve multiple functions: it acts as both an optical element for focusing and a temperature sensor. By incorporating temperature detection capability directly into the liquid lens structure, the system achieves multi-functionality, reducing the number of separate components needed and thereby decreasing the camera module's overall size.
3Device complexity
If temperature detection elements are placed close to individual electrodes, then the structure is simplified, but electrical short-circuits may occur
Solution Approach 1:
The patent introduces an insulating layer as an intermediary between the temperature detection elements and the individual electrodes. This insulating layer physically separates the conductive temperature detection elements from the electrodes, preventing direct electrical contact and potential short-circuits. The intermediary layer maintains the necessary electrical isolation while allowing the temperature detection function to operate effectively near the electrodes.
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
The temperature-sensing capability of the liquid lens camera module allows for efficient design and manufacturing, reducing the likelihood of temperature-induced deformation and electrical short-circuits, while maintaining excellent electrical characteristics and simplifying structural design.
Implementation Method 1
a plurality of temperature detection elements disposed on the first surface of the first plate so as to be spaced apart from the individual electrode, and a temperature sensor connected to the plurality of temperature detection elements to sense the temperature of the liquid lens
Data Source
AI summary
A camera module according to an embodiment includes a liquid lens including a first plate and an individual electrode disposed on a first surface of the first plate; a plurality of temperature detection elements disposed on the first surface of the first plate so as to be spaced apart from the individual electrode; and a temperature sensor connected to the plurality of temperature detection elements to sense a temperature of the liquid lens, wherein the plurality of temperature detection elements includes first and second temperature detection elements spaced apart from each other, wherein the temperature sensor is connected to one end of the first temperature detection element, and wherein an opposite end of the first temperature detection element is connected to one end of the second temperature detection element, and an opposite end of the second temperature detection element is connected to a reference potential.