Eyeglass-Mounted Display Device with Separated Light Guiding Unit
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Solution Overview
Problem
Conventional eyeglass-mounted image display devices interfere with the folding of eyeglasses, either by obstructing the temple fold or requiring separate handling of optical units, which complicates compact housing and usage.
Innovation Solution
A separate image display unit is mounted on the eyeglass temple, with a light guiding unit positioned on the outer surface of the lens, allowing the image display unit to be closer to the lens than the hinge and avoiding obstruction during folding, enabling easy application and compact housing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the optical unit is embedded in the lens part of eyeglasses, then the image display function is integrated, but existing eyeglasses cannot be used and the structure becomes complex
Solution Approach 1:
The optical unit is divided into two separate components: an image display unit mounted on the temple and a light guiding unit mounted on the lens. This segmentation allows the system to be applied to existing eyeglasses without modifying the lens structure, thereby maintaining compatibility while reducing structural complexity.
Solution Approach 2:
The optical unit is extracted from the lens and relocated to the temple. The light guiding unit is separately mounted on the lens surface, which removes the obstruction from the lens structure and enables the use of existing eyeglasses without requiring integrated optical modifications.
2Volume of moving object
If the optical unit has a foldable structure, then compact housing is achieved, but separate folding work is required which causes troublesome operations
Solution Approach 1:
The folding function is merged with the temple structure itself. Since the image display unit is mounted on the temple and the light guiding unit is mounted on the lens, folding the temple automatically folds the entire optical assembly, eliminating the need for separate folding operations and achieving compact housing with a single action.
3Area of moving object
If the optical unit is mounted on the eyeglass frame near the hinge, then the display panel can be smaller, but the optical unit may hit the nose pad when the temple is folded
Solution Approach 1:
The optical unit is extracted from the traditional frame-mounted position near the hinge and relocated to the temple. This repositioning allows the display panel to be smaller while preventing contact with the nose pad during folding, as the optical unit now moves with the temple rather than remaining fixed in the frame.
4Device complexity
If the optical unit remains in the same attitude when the temple is folded, then the structure is simple, but the optical unit projects from the eyeglasses and does not allow compact housing
Solution Approach 1:
The optical unit is designed to move dynamically with the temple during folding. The image display unit mounted on the temple and the light guiding unit mounted on the lens both move automatically when the temple is folded, enabling compact housing while maintaining structural simplicity through the inherent motion of the temple mechanism.
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
Enables one-touch folding of eyeglasses without obstructing the temple fold, allowing for smaller display panels, reduced projection, and improved image quality by guiding light around the lens, thus facilitating easy application and compact housing.
Implementation Method 1
a light guiding unit that exits an image light emitted from the image display panel toward an eyeball of an observer through an entering end, an optical path and an exit end
Data Source
AI summary
An eyeglass-mounted type image display device suggested by the present invention is applicable to an existing pair of eyeglasses and includes an image display unit having an image display panel and attachable and detachable to and from an eyeglass temple and a light guiding unit that exits the image light emitted from the image display panel of the image display unit toward an eyeball of an observer through an entering end, an optical path and an exit end is provided, wherein the light guiding unit is provided separately from the image display unit.