Perovskite Ink Illuminated Vehicle Control Surfaces
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Solution Overview
Problem
Existing vehicle control surface illumination technologies, such as LEDs and light diffusers, are costly, complex, and have limited temperature adaptability, making them unsuitable for flexible and curved surfaces, and they may not provide sufficient lighting across a wide temperature range.
Innovation Solution
The use of perovskite ink, disposed between pairs of electrodes on a substrate with circuit elements, which absorbs and emits light when current is passed through, providing a flexible and efficient illumination solution for vehicle control surfaces without the need for additional lighting components like LEDs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If traditional LED and light diffuser illumination technologies are used, then sufficient lighting can be provided, but the device complexity and cost increase
Solution Approach 1:
The patent combines the illumination function directly into the control surface structure by integrating perovskite ink between electrodes on the substrate. This eliminates the need for separate LED modules and light diffusers, merging multiple components into a unified structure that reduces complexity while maintaining illumination functionality.
Solution Approach 2:
The patent extracts the illumination function from traditional LED components and implements it through a simplified perovskite-based electroluminescent layer. By removing unnecessary intermediate components like light diffusers and separate LED housings, the system achieves sufficient lighting with reduced complexity.
2Illumination intensity
If traditional LED illumination is used, then control surfaces can be illuminated, but the cost increases
Solution Approach 1:
The patent employs perovskite ink, a low-cost material that can be deposited using simple printing or coating techniques. This replaces expensive LED components and their associated assembly requirements, significantly reducing manufacturing costs while providing adequate illumination for control surfaces.
Solution Approach 2:
The patent changes the fundamental parameter of illumination generation from LED-based electroluminescence to perovskite-based electroluminescence. This material substitution enables cost-effective production through solution processing methods, eliminating the need for precise LED mounting and wiring operations.
3Illumination intensity
If traditional LED illumination is used, then control surfaces can be lit, but adaptability to curved and flexible surfaces is limited
Solution Approach 1:
The patent uses a thin-film perovskite ink layer deposited on a flexible substrate between electrodes. This thin-film structure can conform to curved and irregular control surface geometries, providing adaptability that rigid LED modules cannot achieve. The flexible nature allows integration into various vehicle interior configurations.
Solution Approach 2:
The patent creates a dynamic, adaptable illumination system where the perovskite-based layer can be shaped and positioned to match various control surface configurations. This enables the same illumination technology to adapt to flat, curved, or flexible surfaces throughout the vehicle interior.
4Illumination intensity
If traditional LED illumination is used, then control surfaces can be illuminated, but temperature adaptability is limited
Solution Approach 1:
The patent changes the temperature stability parameter by selecting perovskite materials with appropriate thermal characteristics. These materials can be engineered to maintain their electroluminescent properties across a broader temperature range, enabling reliable illumination in varying vehicle interior temperatures from cold mornings to hot summers.
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
Perovskite ink offers brighter and more efficient light emission than traditional LEDs, with tunable color and improved temperature stability, reducing the complexity and cost of vehicle control surface illumination while adapting to various surface configurations.
Implementation Method 1
perovskite ink, disposed on the substrate between each respective pair of electrodes, wherein the perovskite ink is configured to provide illumination of the circuit elements by passing current through the pairs of electrodes
Data Source
AI summary
Vehicle and touch pad are disclosed including perovskite features for illumination. An example vehicle includes a touch pad having a substrate, circuit elements disposed on the substrate, pairs of electrodes disposed on the substrate, and perovskite ink disposed on the substrate between each respective pair of electrodes, wherein the perovskite ink is configured to provide illumination of the circuit elements by passing current through the pairs of electrodes.