Illuminated Stripe Thermal Management via Composite Casing
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Solution Overview
Problem
Existing illuminated stripe systems face challenges in providing effective guidance in emergency situations without electricity, as they rely on electric current, are prone to heat-related reliability issues with high-brightness LEDs, and have complex and costly production processes with phosphorescent coatings that fail in dark conditions.
Innovation Solution
Incorporating a casing part with heat-transferring and light-storing substances, such as particles or dyes, to manage heat and store light, allowing for dynamic lighting control and extended illumination without electricity, using a continuous production process like extrusion to simplify and robustify the stripe structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If high-brightness LEDs are used to provide high luminosity, then illumination intensity is improved, but heat generation increases which degrades reliability and durability
Solution Approach 1:
A heat-transferring substance is introduced as an intermediary between the high-brightness LEDs and the surrounding environment. This substance absorbs and conducts heat away from the light sources, preventing temperature buildup that would otherwise degrade LED reliability and durability while maintaining high luminosity output
Solution Approach 2:
The patent applies the principle of thermal management by creating a thermal conduction pathway that copies the heat flow pattern needed to protect the LEDs. The heat-transferring substance creates a controlled thermal environment that replicates optimal operating conditions for high-brightness LEDs
2Duration of action of moving object
If phosphorized coating is applied to provide illumination without electricity, then duration of action is improved, but manufacturing complexity and cost increase
Solution Approach 1:
The patent merges the heat-transferring substance with the casing part material into a single integrated component. This combination eliminates the need for separate phosphorized coating layers and complex multi-step manufacturing processes, reducing device complexity while maintaining the ability to provide illumination during power outages
Solution Approach 2:
The casing part is formulated as a composite material incorporating heat-transferring substances within the material matrix. This composite approach provides both structural support and thermal management functionality in a single element, simplifying manufacturing compared to applying separate phosphorized coatings
3Duration of action of moving object
If phosphorized coating is applied to enable illumination in dark conditions, then duration of action is improved, but production cost increases
Solution Approach 1:
The patent combines heat-transferring functionality with the casing structure, eliminating the need for expensive phosphorized coating materials and complex application processes. This integration reduces production costs while maintaining illumination capability in dark conditions through simplified thermal management
4Device complexity
If heat is not transferred away from light sources, then device complexity is reduced, but illumination intensity degrades due to heat damage
Solution Approach 1:
The heat-transferring substance acts as an intermediary that selectively manages thermal energy without interfering with the optical output of the LEDs. This mediator absorbs heat that would otherwise degrade luminosity while maintaining the relative simplicity of the overall device structure
Solution Approach 2:
The patent applies thermal management locally at the light source regions where heat generation occurs. The heat-transferring substance is positioned specifically around the LEDs to manage heat at the critical location, preserving illumination intensity without requiring complex system-wide thermal management
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 enhances the durability and reliability of light sources, provides effective illumination in dark conditions without electricity, reduces production complexity, and eliminates the need for battery-backed power supplies, resulting in a more cost-effective and efficient illuminated stripe system.
Implementation Method 1
first substance, which transfers heat away from the light sources or other components
Implementation Method 2
second substance, which stores light, and it can be illuminated with the light sources
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
Illuminated stripe, which comprises light-emitting light sources (108), means for conducting current to the light sources (108) and a casing part (106), wherein the light sources (108) and/or means for conducting current to the light sources (108) are at least in part surrounded with the casing part (106). At least a part of the casing part (106) comprises first substance (204), and at least a part of the casing part (106) comprises second substance(202).