Adjustable VR Display Modules for Pupil Distance Alignment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional virtual reality devices cannot adjust display positions to match individual pupil distances, leading to discomfort and interference with eyeballs or glasses, failing to accommodate users with high binocular disparity.
Innovation Solution
An adjustable virtual reality device with movable display modules, image capturing units for pupil detection, and driving modules controlled by a unit to align display positions with pupil distances and prevent interference with eyeballs or glasses, enhancing comfort and customization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If display positions are fixed in conventional virtual reality devices, then the device structure is simple, but the device cannot adapt to individual pupil distances causing discomfort
Solution Approach 1:
The patent implements movable display modules that can dynamically adjust their positions along the optical axis and laterally. The display modules are coupled with driving mechanisms (screws, sliders, or motors) that enable real-time repositioning to match individual user pupil distances and accommodate different usage scenarios, transforming the static display structure into a dynamic adaptive system.
Solution Approach 2:
The system employs image capturing units (cameras or sensors) to automatically detect user pupil positions and distances, then the control unit processes this data and autonomously controls the driving mechanisms to adjust display module positions. This self-service capability eliminates manual adjustment requirements and enables automatic adaptation to individual user characteristics.
2Measurement precision
If manual adjustment of display distance is allowed, then user comfort can be improved, but the adjustment cannot precisely correspond to pupil distance
Solution Approach 1:
The system incorporates image capturing units that continuously monitor user pupil positions and distances, providing real-time feedback to the control unit. The control unit processes this feedback data and automatically adjusts display module positions to precisely match the detected pupil parameters, creating a closed-loop control system that ensures accurate alignment without requiring manual measurement or estimation by the user.
Solution Approach 2:
The patent replaces manual mechanical adjustment mechanisms with an automated electromechanical system. Image capturing units detect pupil positions, and electronic control units process this data to drive motors or actuate mechanisms that automatically reposition display modules, substituting human manual operation with an automated sensing-and-actuation system that achieves higher precision.
3Volume of moving object
If display modules are positioned closer to reduce size, then device compactness is improved, but interference with eyeballs or glasses occurs causing discomfort
Solution Approach 1:
The display modules are designed with movable mounting structures that allow dynamic adjustment of their positions along the optical axis (distance from user) and laterally (horizontal/vertical alignment). Driving mechanisms including screws, sliders, or motors enable the display modules to move closer to or farther from the user, allowing the device to maintain a compact form factor while preventing interference with eyeballs or glasses through automated position adjustment.
4Adaptability or versatility
If fixed display configuration is used, then manufacturing is simple, but customization for users with high binocular disparity is not possible
Solution Approach 1:
The patent divides the virtual reality device into modular components: separate display modules that can be independently positioned, image capturing units for detecting user characteristics, driving mechanisms for adjustment, and a control unit for coordinating operations. This segmentation enables customization for users with high binocular disparity by allowing independent adjustment of each display module's position while maintaining relatively simple manufacturing of individual standardized components.
Solution Approach 2:
The system employs universal adjustable mechanisms that can accommodate a wide range of user characteristics including high binocular disparity. The image capturing units and control algorithms are designed to handle diverse user profiles, and the movable display modules can be positioned to suit different pupil distances and orientations, making the device universally adaptable to various users without requiring user-specific manufacturing.
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 device ensures comfortable use by accurately aligning display modules with pupil distances and preventing interference, improving the three-dimensional effect and usability for various users, including those with high binocular disparity.
Implementation Method 1
The first detecting assembly includes a first image capturing unit for detecting a first position of a first pupil of a first eyeball
Data Source
AI summary
An adjustable virtual reality device includes a first display module, a first image capturing unit, a second display module, a second image capturing unit, a lateral driving module, and a control unit. The first display module and the second display module display a first image and a second image, respectively. The first image capturing unit and the second image capturing unit detect two positions of two pupils of two eyeballs, respectively. The control unit calculates a pupil distance between the two pupils according to the two positions of the two pupils and controls the lateral driving module to drive the first display module and the second display module to move in a lateral direction, so that a lateral distance between the first display module and the second display module is corresponding to the pupil distance, which enhances comfort in use.