Vehicle-Mounted LED Signage for Night Visibility
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Solution Overview
Problem
Outdoor signage systems face challenges such as limited visibility at night, complex installation, high power requirements, regulatory restrictions, and difficulty in message adaptation and modification.
Innovation Solution
A signage system utilizing solar-powered, low-energy LED displays mounted inside vehicles, with wireless programming capabilities, allowing for coordinated messaging across multiple vehicles and remote control, which are battery-powered and equipped with day-night sensors and timers for efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If outdoor signage systems are illuminated to improve visibility at night, then visibility is improved, but power consumption and installation complexity increase
Solution Approach 1:
The signage system is mounted inside a vehicle, nesting the display within the existing vehicle structure. This eliminates the need for external mounting infrastructure and reduces installation complexity while maintaining illumination capability through the vehicle's existing power system
Solution Approach 2:
The vehicle serves multiple functions: it provides both transportation and housing for the signage system. The vehicle's existing power system, mounting structure, and interior space are utilized, eliminating the need for separate infrastructure and reducing overall system complexity
2Illumination intensity
If outdoor signage systems are illuminated to improve visibility at night, then visibility is improved, but power consumption increases
Solution Approach 1:
The signage system utilizes the vehicle's existing power system to provide illumination, making the system self-sufficient. The display draws power from the vehicle's battery or alternator, eliminating the need for separate power infrastructure and reducing overall energy consumption compared to standalone illuminated signs
3Illumination intensity
If signage systems are installed outside vehicles to provide fixed advertising, then visibility is improved, but adaptability to message changes is reduced
Solution Approach 1:
The signage system features a dynamically reconfigurable display that can change messages, graphics, and animations in real-time. The digital display allows for flexible content updates without physical modifications, enabling rapid adaptation to different advertising campaigns, seasons, or promotions while maintaining high visibility
Solution Approach 2:
The display system allows for changing parameters such as message content, display duration, animation patterns, and brightness levels. These parameters can be adjusted through software control, enabling the same physical structure to serve multiple advertising purposes with different messages and visual characteristics
4Object-affected harmful factors
If signage systems are mounted inside vehicles to avoid regulations and weather, then protection from environmental factors is improved, but visibility to pedestrians may be reduced
Solution Approach 1:
The signage system utilizes the three-dimensional space inside the vehicle, positioning the display on the interior surface facing outward through the windshield. This dimensional arrangement allows the display to be protected from weather while maintaining visibility to pedestrians and pedestrians approaching the vehicle, as the display is positioned in the line of sight rather than requiring external mounting
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 system provides high visibility at night, easy installation, minimal power usage, compliance with regulations, and flexible message modification, while being protected from weather and offering a portable, secure, and compliant advertising solution.
Implementation Method 1
The recharger would include a solar panel that would recharge the battery
Implementation Method 2
The sign has a visual display surface that is capable of forming an illuminated graphic display
Data Source
AI summary
A signage system (10) including one or more visual display devices (11), each mounted for display behind the windshield (15) of one or more parked and ignition-off vehicles (16). Each sign (11) has a visual display surface (12) that is capable of forming an illuminated graphic display (13) on the visual display surface (12). The visual display surface (12) would be visible to observers in front of the vehicle (16). The system (10) includes wireless communication hardware (60) that allows the visual display (11) to be programmed by a remote programming device (41). Each of the display devices (11) can be programmed to have a separate message and each message would scroll from left to right across the display surface (12) in a time coordinated manner so that the message appears to scroll consistently from left to right across the visual field of the plurality of display surfaces (12).