Solid-State Battery and Camera Design for Wearables
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Solution Overview
Problem
Wearable devices face challenges in miniaturization due to safety concerns with liquid electrolyte batteries and spatial limitations, which affect their comfort, appearance, and functionality, especially when incorporating cameras.
Innovation Solution
The wearable device incorporates solid-state batteries with a solid electrolyte layer and a power management system that allocates power to specific components, along with a camera design that uses a reflection member and image sensor embedded in the frame to optimize space and appearance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If a liquid electrolyte battery is used in a wearable device, then the device can provide sufficient power, but the safety risk increases due to electrolyte leakage, fire, and explosion hazards
Solution Approach 1:
The patent changes the physical state of the electrolyte from liquid to solid, fundamentally altering the battery's safety characteristics while maintaining its power supply functionality. The solid electrolyte eliminates leakage, fire, and explosion risks associated with liquid electrolytes.
Solution Approach 2:
The patent converts the potential harm of electrolyte leakage and combustion into a beneficial solid-state structure that is inherently safer. The solid electrolyte transforms a hazardous liquid system into a safe solid system, turning a safety risk into a safety feature.
2Volume of moving object
If the battery size is reduced to miniaturize the wearable device, then the device becomes more compact and comfortable, but the power supply capacity decreases
Solution Approach 1:
The patent changes the electrolyte state to solid, which enables higher energy density in a smaller volume. This parameter change allows the battery to maintain sufficient power capacity while being miniaturized for wearable applications.
Solution Approach 2:
The patent uses composite material structures in the solid-state battery design, combining different materials to achieve high energy density in a compact form factor, thereby providing sufficient power in a miniaturized battery.
3Adaptability or versatility
If a camera is mounted in the wearable device, then the device provides additional functionality, but the available space for other components is reduced and the appearance may be negatively affected
Solution Approach 1:
The patent utilizes the temple area (side dimension) of the wearable device for camera mounting instead of the front face, effectively using another spatial dimension to accommodate the camera without compromising the main device appearance or front component space.
Solution Approach 2:
The patent embeds the image sensor within the frame structure, nesting the camera components into the existing device architecture rather than adding them as external protrusions, thereby saving space and maintaining a sleek appearance.
4Measurement precision
If the image sensor is positioned to collect light directly from the front, then the camera captures images effectively, but the device appearance is compromised and space is wasted
Solution Approach 1:
The patent redirects the light path to the side dimension using a reflection member, allowing the image sensor to capture images effectively while being positioned in a location that does not compromise the front appearance of the device.
Solution Approach 2:
The patent introduces a reflection member as an intermediary element that redirects light from the front to the side-mounted image sensor, enabling effective image capture while maintaining a sleek front appearance without direct sensor exposure.
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 solution enhances the safety, efficiency, and usability of wearable devices by providing stable power to components while minimizing the device's size and maintaining a sleek appearance, even with camera integration.
Implementation Method 1
a reflection member altering a path of light incident from a side in front of the lens toward the lens
Implementation Method 2
an image sensor collecting light reflected from the reflection member
Data Source
AI summary
A wearable device includes: a lens; a frame including a rim surrounding the lens and a temple extending from the rim; a reflection member altering a path of light incident from a side in front of the lens toward the lens; an image sensor collecting light reflected from the reflection member; and at least one camera lens disposed on a path of the light collected by the image sensor.