Vehicle Interior Light Engine with Segmented LED Distribution Control
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Solution Overview
Problem
Current vehicle interior lighting systems lack dynamic control over light characteristics based on real-time data from sensing and communication systems, limiting their ability to adapt to changing environments and user preferences.
Innovation Solution
A flexible printed circuit board (PCB) with independently addressable LED segments and a light guide plate, controlled by a processor and controller, which receives information from vehicle sensing and communication systems to modify light intensity, direction, and color in real-time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional vehicle interior lighting systems are used, then the lighting structure is simple and easy to manufacture, but the system lacks dynamic control capability and cannot adapt to real-time environmental changes
Solution Approach 1:
The lighting system is divided into multiple independently controllable LED segments arranged in a circular pattern. Each segment can be individually addressed and controlled, enabling dynamic light distribution patterns while maintaining a relatively simple overall structure. The segmentation allows the system to achieve complex adaptive functions through coordinated control of discrete elements.
Solution Approach 2:
The patent implements dynamic control by enabling real-time adjustment of light characteristics including intensity, color temperature, and distribution patterns. The system responds to environmental inputs and user preferences, continuously adapting its lighting output. This dynamic capability transforms a static lighting system into an adaptive one without requiring complete structural redesign.
2Adaptability or versatility
If multiple independently addressable LED segments are used, then dynamic light control is achieved, but the device complexity and manufacturing difficulty increase
Solution Approach 1:
The lighting system uses universal LED components and control mechanisms that can serve multiple functions. The same LED segments and control circuitry enable various lighting modes, patterns, and adaptations. This multi-functionality reduces the need for specialized components for each function, thereby simplifying manufacturing while maintaining high control flexibility.
Solution Approach 2:
The system achieves diverse lighting effects by changing parameters of existing LED components rather than requiring different physical components. By adjusting intensity, color temperature, and activation patterns of the same LED segments, the system provides light control flexibility without increasing manufacturing complexity through component proliferation.
3Adaptability or versatility
If real-time data from sensing and communication systems is integrated, then the lighting system becomes highly adaptive, but the system complexity and control difficulty increase
Solution Approach 1:
The lighting system incorporates feedback mechanisms by integrating data from sensing and communication systems. Environmental inputs, occupancy detection, and user preferences are continuously monitored and fed back to the control system, which adjusts lighting parameters in real-time. This feedback loop enables environmental responsiveness while managing control complexity through systematic data processing and automated decision-making algorithms.
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 dynamic and adaptive lighting within vehicles, improving user experience by adjusting illumination based on occupancy, preferences, and environmental conditions, enhancing safety and comfort.
Implementation Method 1
a light guide plate with an inner surface configured to receive light from the plurality of independently addressable LED segments
Data Source
AI summary
An apparatus and system are disclosed and include a vehicle interior lighting system comprising that includes a light engine with a plurality of independently addressable light emitting diode (LED) segments, each independently addressable LED segment including at least one LED, a flexible printed circuit board (PCB) having a base and plurality of legs extending from the base, each leg supporting an independently addressable LED segment, and a light guide plate configured to provide illumination from the plurality of independently addressable LED segments inside the vehicle. A processor may be configured to receive information from a o vehicle sensing system, a vehicle communication system, or a detection system, and may generate a signal. A controller may be configured to provide one or more light control signals to modify at least one light characteristic of at least one of the plurality of independently addressable LED segments based on the signal.