Translucent Midsole Internal Illumination Design
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Solution Overview
Problem
Current footwear lighting systems primarily focus on external illumination and fail to provide comprehensive internal illumination, often only lighting specific sections rather than the shoe itself, lacking visual appeal and design display on external surfaces.
Innovation Solution
An internally illuminated footwear component featuring a translucent sole section with an integrated illumination system and housing within the midsole, allowing light to travel through both the midsole and outsole for uniform illumination, combined with blackout methods using opaque outsole designs to create visual designs and logos by strategically blocking light.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If external lighting systems are used to illuminate footwear, then visual appeal is enhanced, but the illumination does not penetrate internally to illuminate the shoe itself
Solution Approach 1:
Instead of placing lights externally to illuminate the outside of the shoe, the patent inverts the approach by placing lights internally within the shoe structure to illuminate the shoe itself from within. This internal illumination approach allows light to pass through translucent portions of the shoe, creating the desired visual effect while maintaining structural integrity.
Solution Approach 2:
The patent applies local quality by creating different optical properties in different portions of the shoe. Specifically, certain sections of the shoe upper are made translucent while others remain opaque, allowing selective internal illumination of specific areas. This enables the light to penetrate only through designated translucent portions, creating targeted visual appeal without illuminating the entire shoe uniformly.
2Illumination intensity
If translucent sections are added to allow internal light passage, then illumination effectiveness improves, but design display capability deteriorates due to lack of visual contrast
Solution Approach 1:
The patent resolves this contradiction by applying local quality through strategic placement of translucent and opaque sections. Translucent sections are positioned where light transmission is desired for illumination effects, while opaque sections are positioned where design elements need to be displayed with visual contrast. This creates a patterned distribution of optical properties that simultaneously achieves both internal illumination and design visibility.
Solution Approach 2:
The patent employs asymmetry by creating an uneven distribution of translucent and opaque portions across the shoe structure. Rather than uniform transparency, the design features asymmetric placement where certain areas are translucent for light passage while adjacent or opposing areas are opaque for design display. This asymmetric configuration allows both functions to coexist without compromising either illumination effectiveness or design visibility.
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 a visually appealing, uniformly illuminated shoe with the ability to display designs and logos, enhancing both internal support and external aesthetics while maintaining the shoe's structural integrity.
Implementation Method 1
a translucent sole section with an integrated illumination system and housing within the midsole, allowing light to travel through both the midsole and outsole for uniform illumination
Implementation Method 2
blackout methods using opaque outsole designs to create visual designs and logos by strategically blocking light
Data Source
AI summary
The sole section of a shoe includes a midsole and an outsole, with the midsole being made from a translucent material. An illumination system is located inside the translucent midsole, causing the translucent midsole to be internally illuminated when the illumination system is active. Due to the translucent nature of the midsole light from the illumination system reflects internally throughout the midsole, increasing illumination. The light will also illuminate adjacent translucent components, such as the outsole if it is also made from a translucent material. Light from the illumination system can be blocked, such as by an opaque outsole or colored mold injection, and used to form an illuminated design or logo. By blacking out or covering sections of the translucent midsole, shapes and letters of visible light can be created in the negative space of the obstruction sections. This allows illuminated designs to easily be incorporated into footwear.