Movable Vehicle Display Light Source for Adjustable Virtual Image Positioning
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Solution Overview
Problem
Current vehicle light emitting display systems face challenges in providing sufficient display brightness and accurate positioning of warnings while maintaining low device costs and reducing man-hours for mounting, as they often require multiple light sources and complex setups, which can lead to increased costs and reduced flexibility in display positioning.
Innovation Solution
A vehicle light emitting display device with a belt-shaped support member that can move forward and rearward, allowing for adjustable display positions without the need for many light sources, combined with a reflective optical member and annular light emitting areas to enhance visibility and perspective, and coordinated control with HUD units for optimal attention-calling displays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the number of light emitting elements is increased to provide more display positions, then the display capability is improved, but the number of components and cost increase
Solution Approach 1:
The patent employs a movable light emitting element that can change its position dynamically. The light emitting element is mounted on a movable support structure that allows it to be repositioned along the dashboard, enabling a single element to serve multiple display positions rather than requiring multiple fixed elements
Solution Approach 2:
A single light emitting element is designed to perform multiple functions by being repositionable to different locations on the dashboard. This universal element can display various types of warnings and information at different positions, replacing the need for multiple specialized light emitting elements
2Illumination intensity
If a high-output light source is used to ensure display brightness, then the display brightness is improved, but power consumption and heat generation increase
Solution Approach 1:
Instead of using a high-output light source that consumes excessive power, the patent employs multiple low-output light emitting elements distributed at different positions. Each element emits light locally where needed, and the cumulative effect provides sufficient overall brightness without the high power consumption of a single high-output source
Solution Approach 2:
The lighting function is segmented into multiple independent light emitting elements rather than using a single high-power source. This segmentation allows the system to achieve the required total luminous output through distribution across multiple lower-power components, reducing overall power consumption and heat generation
3Adaptability or versatility
If the size of display area is increased to display warnings at various locations, then the freedom of controlling display positions is improved, but the device complexity and mounting difficulty increase
Solution Approach 1:
The patent uses a movable support structure that allows a single light emitting element to be repositioned dynamically to different locations on the dashboard. This dynamic positioning capability provides freedom in controlling display positions without requiring a large, complex fixed display structure
Solution Approach 2:
Instead of expanding the display area horizontally across the dashboard, the patent utilizes the vertical dimension and depth dimension by positioning light emitting elements at different heights and distances from the driver. This dimensional approach provides positioning freedom without requiring a large horizontal display area
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 solution provides effective display brightness and adjustable positioning of warnings, reducing the need for multiple light sources and components, thus lowering costs and man-hours, while ensuring the driver's attention is drawn to critical targets with enhanced visibility and perspective.
Implementation Method 1
emitting light of the light source from lower side of an instrument panel of the vehicle toward the light reflecting member
Implementation Method 2
light reflected by the front windshield or the like is directed toward an eye point of a driver
Data Source
AI summary
A vehicle light emitting display device is provided with at least one light source which can be controlled to turn on and off and a light reflecting member disposed in front of a driver of a vehicle. The vehicle light emitting display device forms a virtual image which can be observed by the driver, by emitting light of the light source from lower side of an instrument panel of the vehicle toward the light reflecting member. The vehicle light emitting display device is further provided with a forward and rearward movable mechanism that freely moves a position, at which light is emitted from the light source toward the light reflecting member, in a forward and rearward direction which is a travel direction of the vehicle.