Rotating LED Modules for Adaptive Vehicle Lighting
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing vehicle lighting systems are expensive, complex, and unable to adapt to various driving situations, such as turns or different road conditions, limiting their ability to provide adaptive and modern lighting requirements.
Innovation Solution
A vehicle lighting system comprising a pair of complementary lighting devices with a main stationary lighting module and multiple rotatable secondary modules, controlled by a unit that can independently rotate and switch on/off the modules to generate various lighting distributions, including offset and superimposed light projections, enhancing illumination intensity and adaptability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a rotating reflector with concentrated unidirectional light is used, then the lighting device can scan a predetermined solid angle, but the production cost increases and the operation becomes complex
Solution Approach 1:
The patent divides the lighting device into multiple independent LED modules, each capable of being individually controlled and oriented. Instead of using a single complex rotating reflector system, the invention segments the lighting function into multiple simple modular units that can be independently activated and positioned, thereby reducing operational complexity while maintaining adaptability.
Solution Approach 2:
The patent employs rotatable modules that can dynamically adjust their orientation and activation status. Each module can be rotated to different angular positions and selectively switched on or off, enabling dynamic adaptation to various driving situations without requiring complex mechanical reflector systems.
2Adaptability or versatility
If a rotating reflector system is used, then lighting distribution can be adjusted, but the production cost increases
Solution Approach 1:
The patent replaces expensive rotating reflector assemblies with multiple inexpensive LED modules. Each module consists of basic components (LEDs, reflectors, housings) that are simple to manufacture and replace. The cost of individual LED modules is significantly lower than that of complex rotating reflector systems, enabling adaptive lighting at reduced production cost.
Solution Approach 2:
The patent designs universal LED modules that can perform multiple lighting functions through different combinations of module activation and orientation. Each module is designed to be interchangeable and can serve various lighting purposes (main beam, fog light, turn signal) depending on its position and activation, eliminating the need for multiple specialized lighting components.
3Device complexity
If only two reflective surfaces are used, then the device structure is simple, but only two different main light functions can be generated
Solution Approach 1:
The patent segments the lighting system into multiple independent modules instead of using a single multi-faced reflector. Each module contains its own reflector and LED array, and multiple modules can be activated simultaneously or individually. This segmentation allows for numerous lighting function combinations (single module, dual module, triple module configurations) while keeping each individual module structurally simple.
Solution Approach 2:
The patent adds the dimension of module combination and spatial arrangement to achieve lighting function variety. Instead of relying on multiple reflective surfaces of a single component, the invention uses multiple independent modules that can be arranged and activated in different combinations, creating diverse lighting patterns through spatial and temporal coordination of multiple simple units.
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 achieves a simple, compact, and cost-effective design capable of producing multiple lighting functions, providing better illumination in different driving scenarios, including turns and adverse weather conditions, while maintaining reliability and adaptability.
Implementation Method 1
a rotating module (13; 14; 15) arranged within the housing body (9) independently of the main lighting module (12) and rotatable around a vertical axis
Implementation Method 2
each comprising a light source (16) and with a reflector (17)
Implementation Method 3
the reflector (17) is designed to intercept a concentrated unidirectional pencil of light produced by the light source
Data Source
Figure 1
Figure 2~4
Figure 5~6
AI summary
A vehicle lighting system (1) including a control unit (19) and a pair of lighting devices (2,3), each including a housing body (9), a main lighting module (12) mounted stationary within the housing body and at least two secondary lighting modules (13-15) mounted rotatable within the housing body around respective first vertical axes (A,B,C); wherein the secondary lighting modules (13-15) are configured to generate on a test screen placed in front of the lighting system individual light projections (21-23,25-27) arranged offset to one another in a vertical direction, and to rotate around the first axes independently of one another and to further rotate around a second axis (D) perpendicular to the first axes; the control unit (19) selectively rotating the secondary lighting modules of the same or different angles around the first axes and around the second axis and switching them on/off independently of the switching on/off of the main lighting modules.