Glasses-Type Display Module for Hands-Free Optical Projection
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Solution Overview
Problem
Existing communications devices require users to constantly hold them, limiting their ability to perform functions like video chatting while walking or engaging in other activities, as they cannot be easily worn or used hands-free.
Innovation Solution
A glasses-type information processing apparatus integrating a display module, camera module, and communications module, allowing users to wear the device on their head and access information and communicate hands-free by projecting data and receiving voice commands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a mobile phone is used for communications functions, then communications can be performed, but the user must always hold the device which limits hands-free operation and mobility
Solution Approach 1:
The patent replaces the mechanical holding system with an optical display system. Information is projected directly onto the user's retina through a beam scanning mechanism, eliminating the need for mechanical contact between the user's hands and the device. The display beam is scanned across the user's visual field to present information without requiring physical grasping or holding of the device.
2Ease of operation
If a traditional display device is used, then information can be displayed, but the device structure is complex and bulky making it unsuitable for wearable applications
Solution Approach 1:
The patent extracts the display function from the complex traditional display device structure. Instead of using a complete display screen, housing, and control system, only the essential light generation and beam scanning components are retained. The display information is extracted and transmitted as a light beam that can be directed to the user's eye, eliminating the need for bulky display components.
Solution Approach 2:
The patent creates an optical copy of the display information by converting digital data into a light beam that replicates the visual content. The beam scanning system generates a visual representation of the information that is copied directly onto the user's retina, eliminating the need for physical display screens and reducing device complexity.
3Device complexity
If a beam scanning display is used to reduce device complexity, then hands-free operation is enabled, but the display field of view and information presentation area are limited
Solution Approach 1:
The patent transitions from a two-dimensional display screen to a three-dimensional beam scanning approach. The display beam is scanned across multiple dimensions within the user's visual field, creating a volumetric display space. This allows information to be presented across a broader angular range and depth perception, effectively expanding the display field of view without requiring a larger physical display area.
Data Source
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AI summary
Embodiments of the present invention provide a glasses-type information processing apparatus, including: a frame, where the frame is configured to allow a user to wear the glasses-type communications apparatus on the head; at least one display module, where the at least one display module is set on the frame, and is configured to receive data information, and generate a corresponding visual picture according to the data information for the user to watch; at least one camera module set on the frame, configured to obtain image information and output the image information, wherein the camera module is configured to obtain information about an image behind, above, to the left, or to the right of the user; and a processing module set on the frame and connected to the at least one display module and the at least one camera module, configured to transfer the data information to the at least one display module, and receive the image information output by the camera module. Another aspect concerns a display system with a variable optical path length.