Lightweight Head-Mounted Display with Segmented Polymer Cases
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Solution Overview
Problem
Heavy-weighted head-mounted displays are not suitable for stable fitting on a user's head and are inconvenient to use due to their weight and structural limitations.
Innovation Solution
A lightweight head-mounted display design featuring a front case made of polypropylene (PP) or polycarbonate (PC) with a symmetrical structure that includes a key unit and earphone units passing through holes to secure the rear case, eliminating the need for additional fixing structures and minimizing weight.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a head mounted display uses a heavy-weighted structure to ensure stability and functionality, then the device can provide sufficient structural support and component accommodation, but it becomes unsuitable for stable fitting on a user's head and inconvenient to use
Solution Approach 1:
The device is divided into two separate cases: a front case that contacts the user's face and a rear case that accommodates components. This segmentation allows each case to be optimized independently - the front case can be lightweight while the rear case provides structural support, resolving the contradiction between overall weight and structural strength.
Solution Approach 2:
The rear case is nested within or coupled to the front case structure, with the fixing part integrating both cases. This nesting allows the heavier rear case to be supported by the front case structure, distributing weight more effectively and reducing the perceived weight on the user's head while maintaining necessary structural support.
2Stability of the object's composition
If a head mounted display uses additional fixing structures to secure the rear case to the front case, then the connection stability is improved, but the device complexity and weight increase
Solution Approach 1:
The fixing part is designed as an integrated structure that combines the connection function between the front and rear cases with additional functional elements (such as control interfaces or structural reinforcement). This merging eliminates the need for separate, additional fixing structures, reducing device complexity while maintaining connection stability.
Solution Approach 2:
The fixing part serves multiple functions: it secures the rear case to the front case, provides structural reinforcement, and may incorporate control interfaces or other functional elements. This multi-functionality eliminates the need for dedicated separate fixing structures, reducing overall device complexity while ensuring stable connection.
Data Source
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AI summary
The present invention provides a head mounted display comprising: a rear case for accommodating a lens part; a front case, which is coupled to the rear case, forms an exterior, and includes an open part; a fixing part, which performs a particular function, has one end mounted on the rear case so as to prevent the separation of the rear case from the front case, and passes through the open part so as to be exposed to the outside; and a controller, wherein the controller generates a control command through the fixing part or controls the fixing part such that data is outputted, and the front case is made of polypropylene (PP) or polycarbonate (PC).