Switchable Sidewall Structures for Head-Mounted Devices
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Solution Overview
Problem
Head-mounted devices face challenges in providing an immersive experience while allowing users to see their surroundings, as existing designs either block ambient light completely or allow it in fully, lacking adjustable transparency to balance immersion and environmental awareness.
Innovation Solution
Incorporating adjustable transparency sidewall structures that can switch between opaque, transparent, and partially transparent modes, using technologies like electrochromic layers, liquid crystals, stretchable fabrics, or rotating blinds, to control light transmission and enhance user interaction with the environment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If sidewall structures are made opaque to provide immersive viewing, then immersion experience is improved, but environmental awareness deteriorates
Solution Approach 1:
The sidewall structures incorporate adjustable transparency mechanisms that allow dynamic switching between opaque and transparent states. This enables the device to adapt between immersive viewing mode (opaque) and environmental awareness mode (transparent), resolving the contradiction by making the transparency property changeable rather than fixed.
Solution Approach 2:
The patent employs materials and mechanisms that change the optical parameters of the sidewall structures. By altering the transparency parameter of the sidewall material, the system can transition between providing full immersion (low light transmission) and full environmental awareness (high light transmission), thus resolving the trade-off between these two opposing requirements.
2Loss of information
If sidewall structures are made transparent to allow ambient light, then environmental awareness is improved, but immersion experience deteriorates
Solution Approach 1:
The adjustable transparency mechanism allows the sidewall structures to dynamically switch between transparent and opaque states based on user needs. When environmental awareness is prioritized, the structures become transparent; when immersion is prioritized, they become opaque, thus resolving the contradiction through temporal separation of opposing states.
Solution Approach 2:
By changing the optical transmission parameter of the sidewall structures, the system can control the amount of ambient light entering the device. This parameter adjustment enables the system to optimize for either environmental awareness or immersion depending on the desired state, resolving the contradiction between these two opposing goals.
3Device complexity
If fixed transparency is used in sidewall structures, then device simplicity is improved, but adaptability to different conditions deteriorates
Solution Approach 1:
The patent transforms fixed transparency structures into dynamic, adjustable ones. By incorporating mechanisms that allow transparency adjustment, the system gains adaptability to different viewing conditions and user preferences, while accepting the necessary increase in structural complexity as a trade-off for enhanced versatility.
Solution Approach 2:
The system enables changeable optical parameters in the sidewall structures, allowing adaptation to various environmental conditions and user needs. This parameter adjustability provides versatility in different scenarios (immersive viewing vs. environmental awareness) at the cost of increased device complexity.
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 solution allows for a dynamic balance between immersive viewing and environmental awareness, improving user experience by adjusting transparency based on user needs or environmental conditions, enhancing both comfort and functionality.
Implementation Method 1
A portion of the sidewall structures may have an adjustable transparency
Implementation Method 2
using technologies like electrochromic layers, liquid crystals
Data Source
AI summary
A head-mounted device may include a component such as a sidewall structure that is switchable between an opaque mode and a transparent mode. In the opaque mode, the component may block ambient light from passing into the interior of the head-mounted device (such that the user cannot see the surrounding environment). In the transparent mode, the component may allow ambient light to pass into the interior of the head-mounted device (such that the user can see portions of the surrounding environment). The opaque mode may provide a more immersive experience for the user of the head-mounted device, whereas the transparent mode may allow the user to see objects in their surrounding physical environment. Instead or in addition, the head-mounted device may include one or more sidewall displays.