Neck-worn Display Weight Distribution via Segmented Optical Assembly
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Solution Overview
Problem
Wearable display devices with large weights can cause instability and discomfort due to uneven distribution of weight on the user's body, leading to dizziness and fatigue during extended use.
Innovation Solution
A display device with a split structure featuring an optical imaging assembly mounted on a head-mounted assembly and a neck wearable assembly, where the optical imaging assembly can be connected to the neck wearable assembly via a flexible connection line for data and power transmission, allowing weight distribution across the neck, reducing head weight and maintaining user comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the display device is integrated into a head-mounted assembly, then the display function is achieved, but the weight causes center of gravity instability and user discomfort
Solution Approach 1:
The display device is divided into two independent parts: a head-mounted assembly containing the optical imaging assembly and a neck wearable assembly containing the power supply and processing units. This segmentation allows the heavy components to be distributed to the neck while keeping the head-mounted portion lightweight, resolving the contradiction between achieving display function and minimizing head weight.
2Weight of moving object
If the optical imaging assembly is separated from the power supply unit, then the head weight is reduced, but the device complexity increases due to connection requirements
Solution Approach 1:
A flexible connection line is used to connect the optical imaging assembly in the head-mounted assembly with the power supply and processing units in the neck wearable assembly. This flexible connection maintains electrical connectivity while allowing independent movement of the two assemblies, reducing structural complexity compared to rigid connections.
3Ease of operation
If the display device is worn on the head, then the display content is accessible to the user, but the user experiences dizziness and fatigue during extended use
Solution Approach 1:
By segmenting the device into head-mounted and neck-worn portions, the center of gravity is shifted from the head to the neck area. This redistribution eliminates the dizziness and fatigue caused by heavy head-mounted devices while maintaining display accessibility through the optical imaging assembly positioned near the user's eyes.
Data Source
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AI summary
The present disclosure relates to a display device, including an optical imaging assembly and a neck wearable assembly. The optical imaging assembly is mounted on a head-mounted assembly, and is configured to present a virtual image to a user when the user wears the head-mounted assembly on the user's head. The neck wearable assembly is wearable on the user's neck, and is configured to obtain the virtual image and provide the virtual image to the optical imaging assembly for presenting.