Head-Mounted Display Posture Adjustment for Stereoscopic and Augmented Content
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Solution Overview
Problem
Existing head-mounted display devices face challenges in maintaining optical performance and miniaturization while increasing the amount of information displayed, particularly in adjusting the position of left and right display devices to recognize common content stereoscopically.
Innovation Solution
A head-mounted display device with a display mechanism comprising a first and second display device showing different content, and a posture adjustment mechanism that allows for the adjustment of the display position of one or both devices by rotating them relative to a fixed frame, maintaining optical performance and enabling separate display of various information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the position of left and right display devices is adjusted with high precision to recognize common content stereoscopically, then stereoscopic video recognition is achieved, but it becomes difficult to respond to demands for maintaining optical performance and miniaturization while increasing the amount of information displayed
Solution Approach 1:
The display content is segmented into common content (displayed to both eyes) and individual content (displayed to each eye separately). The common display areas show aligned content for stereoscopic recognition, while augmented display areas show additional information unique to each eye, resolving the contradiction between precise alignment requirements and information display versatility.
Solution Approach 2:
The patent adds a new dimension to the display by introducing augmented display areas alongside common display areas. This allows the system to display both stereoscopically-aligned content and additional individualized information simultaneously, expanding information capacity without compromising optical performance or requiring complex position adjustments.
2Quantity of substance
If various pieces of information are individually displayed to increase information display capacity, then the amount of information increases, but it becomes difficult to maintain optical performance and miniaturization
Solution Approach 1:
The patent merges common display areas and augmented display areas into a unified optical system. By combining the display of common content and individualized content within the same optical path and physical structure, the system increases information display capacity without proportionally increasing device complexity, maintaining miniaturization and optical performance.
3Adaptability or versatility
If the display position is adjusted to show different content to each eye, then information display versatility increases, but the precision of common content recognition may be compromised
Solution Approach 1:
The display is segmented into distinct common display areas and augmented display areas. The common display areas maintain precise alignment for stereoscopic recognition of common content, while the augmented display areas provide differentiated individual content. This spatial segmentation allows both precise common content alignment and versatile individual content display to coexist without compromising each other.
Data Source
AI summary
In a first display device and a second display device of a display mechanism, a first video image and a second video image having mutually different display contents are visually recognized, and further, display positions of the first video image and the second video image can be changed by first and second posture adjustment mechanisms that are a posture adjustment mechanism.