Aerial Floating Display Optics for Brightness and Ghost Suppression
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Solution Overview
Problem
Existing aerial floating video display technologies do not adequately consider brightness and quality, making it difficult for users to enjoyably recognize the video.
Innovation Solution
An aerial floating video display apparatus comprising a video processor, display, and optical system that processes video to generate a virtual 3D space with specific focal length and angle of view configurations, using a retroreflection plate to project a high-resolution, polarized video outside a transparent member.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If conventional aerial floating video display technology is used, then the basic aerial image can be displayed, but the brightness and image quality are insufficient for enjoyable visual recognition
Solution Approach 1:
The patent applies parameter changes by optimizing the focal length of the virtual 3D space camera according to the formula Lf≥Lm×Fi/Pa, where Lf is focal length, Lm is visual distance, Fi is diagonal length of 35mm film, and Pa is diagonal length of display screen. This parameter optimization enables proper convergence of light rays to form bright, high-quality aerial floating videos that are easily visually recognizable.
2Illumination intensity
If the focal length of the virtual 3D space camera is not properly optimized, then the device complexity is reduced, but the aerial floating video cannot be properly formed with sufficient brightness and quality
Solution Approach 1:
The patent establishes a clear mathematical relationship Lf≥Lm×Fi/Pa that defines the optimal focal length range. By implementing this parameter specification, the system achieves proper light ray convergence and aerial image formation without requiring complex additional components, thus resolving the contradiction between brightness and device complexity.
3Reliability
If the angle of view of the virtual 3D space camera is not optimized, then the device configuration is simpler, but the aerial floating video display quality and visual recognition are compromised
Solution Approach 1:
The patent optimizes the angle of view parameter of the virtual 3D space camera to work in conjunction with the focal length. This parameter optimization ensures that light rays from the display converge properly to form high-quality aerial floating videos that are easily visually recognizable, without adding physical complexity to the device configuration.
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 apparatus achieves a more suitable aerial floating video display with enhanced brightness, reduced power consumption, and improved image quality by suppressing ghost images and increasing light utilization efficiency.
Implementation Method 1
using a retroreflection plate to project a high-resolution, polarized video outside a transparent member
Implementation Method 2
the rendering of the virtual 3D space is performed by capturing by a virtual 3D space camera set in the virtual 3D space and using a perspective drawing method
Data Source
Figure 1
Figure 2A(1)~2A(2)
Figure 2B~2C
AI summary
A more suitable aerial floating video display apparatus is provided. According to the present invention, it is possible to contribute to "Goal 3: Ensure healthy lives and promote well-being for all at all ages", "Goal 9: Build resilient infrastructure, promote inclusive and sustainable industrialization and foster innovation" and "Goal 11: Make cities and human settlements inclusive, safe, resilient and sustainable" in the Sustainable Development Goals (SDGs). The aerial floating video display apparatus is configured such that a video processor performs video processing on a video generated by rendering a virtual 3D space in which an object of a character is positioned, the rendering of the virtual 3D space is performed by capturing by a virtual 3D space camera set in the virtual 3D space and using a perspective drawing method, and the video generated by the rendering and displayed on the display is a video captured and rendered from the virtual 3D space in which the object of the character is positioned by setting an angle of view of the virtual 3D space camera so as to satisfy Lf≥Lm×Fi/Pa.