Virtual Image Display Device Wasted Region Recovery
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Solution Overview
Problem
Existing virtual image display devices waste a region of the display surface due to distortion correction, where the contour shape of the displayed image differs from the display surface, resulting in unused areas.
Innovation Solution
A virtual image display device that acquires two images, one for the main display and another for additional information, applies distortion correction to the main image to offset optical system distortion, and generates a composite image that includes the corrected main image and the additional information image, allowing the unused regions to be utilized for displaying additional information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If distortion correction is applied to the first image to offset optical system distortion, then the display accuracy of the main image is improved, but a region of the display surface becomes unused and wasted
Solution Approach 1:
The patent recovers the wasted display region by placing a second image (such as UI elements, icons, or additional information) in the unused area created by distortion correction of the first image, thereby transforming the wasted space into useful display area
Solution Approach 2:
The patent utilizes the two-dimensional display surface more efficiently by dividing it into different functional zones: the first image occupies the central region with high display accuracy after distortion correction, while the second image fills the peripheral unused regions, effectively using the entire display area
2Manufacturing precision
If the contour shape of the displayed image is made different from the display surface to correct distortion, then the optical distortion is compensated, but the region not used for display is wasted
Solution Approach 1:
The patent recovers the wasted display region by placing a second image (such as UI elements, icons, or additional information) in the unused area created by distortion correction of the first image, thereby transforming the wasted space into useful display area
Data Source
AI summary
A virtual image display device includes a first acquisition unit configured to acquire a first image from an information terminal, a second acquisition unit configured to acquire a second image different from the first image, a correction unit configured to distort the first image, a generation unit configured to generate a third image or a fourth image including the distorted first image and the second image, and a display element configured to display the third image or the fourth image.