Transparent Head-Worn Display for Mixed Reality Interaction
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Solution Overview
Problem
Current mixed reality and augmented reality near-eye displays are not lightweight, cost-effective, and have limited form-factor, with a narrow virtual image field of view, and lack transparency, which hinders their practical application in various use-cases.
Innovation Solution
A head-worn image display device with a transparent screen that uses a sensor system and processing unit to display virtual objects interacting with real physical objects, providing a heat visualization based on the virtual distance between the objects, enhancing the user's experience by creating realistic interactions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If current mixed reality and augmented reality near-eye displays are used, then virtual reality functionality is provided, but the devices are not lightweight, have limited form-factor, and lack transparency
Solution Approach 1:
The patent uses a transparent screen that allows users to see through it while displaying virtual images. The display system projects light patterns onto the transparent screen, creating a copy of the virtual content that can be viewed alongside the real world, thus achieving both transparency and display functionality without requiring heavy opaque components
Solution Approach 2:
The patent employs thin-film display technology and lightweight optical components to create a head-worn device with reduced weight. The transparent screen and associated optical elements are designed as thin, flexible structures that maintain display performance while significantly reducing the overall weight and form-factor of the device
2Area of stationary object
If traditional near-eye displays are used, then VR functionality is provided, but the virtual image field of view is narrow and transparency is limited
Solution Approach 1:
The patent transitions from traditional opaque display surfaces to a transparent dimensional plane, allowing virtual images to be projected on a screen that does not block the user's view of the real world. This dimensional change enables a wider field of view by combining the transparent screen's physical dimensions with the projected virtual image space, effectively expanding the usable visual area without proportionally increasing optical system complexity
3Ease of operation
If virtual objects are displayed without interaction visualization, then rendering complexity is reduced, but user immersion and experience are diminished
Solution Approach 1:
The patent employs heat visualization that uses color changes to represent virtual interactions between objects. When virtual objects collide or interact, the system applies color transformations (such as heat maps or color-coded impact indicators) to visualize the interaction intensity and type. This approach provides rich interactive feedback without requiring complex physical simulations, maintaining rendering efficiency while significantly enhancing user immersion and ease of operation
Data Source
AI summary
An apparatus configured to be head-worn by a user, includes: a transparent screen configured to allow the user to see therethrough; a sensor system configured to sense a characteristic of a physical object in an environment in which the user is located; and a processing unit coupled to the sensor system, the processing unit configured to: cause the screen to display a user-controllable object, and cause the screen to display an image of a feature that is resulted from a virtual interaction between the user-controllable object and the physical object, so that the feature will appear to be a part of the physical object in the environment or appear to be emanating from the physical object.