Vehicle Window Tint Control Using Photochromic-Electrochromic Glass
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Solution Overview
Problem
Existing window tinting solutions are expensive, require frequent maintenance, are not adaptable to varying sunlight conditions, and lack user-friendly manual and automatic control options, leading to reduced visibility and UV exposure issues.
Innovation Solution
A vehicular window tinting system with adjustable tint levels, featuring a control element for manual adjustment, a light sensor for automatic adjustment based on sunlight intensity, and a mobile application for remote control, utilizing dual-layered photochromic and electrochromic glass layers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional glass films are used for window tinting, then UV protection and glare reduction are provided, but the films require frequent maintenance and are prone to damage
Solution Approach 1:
The patent transitions from static glass films to dynamic electrochromic glass that can change its optical properties (tint level) electrically. This allows the window material itself to be adjustable rather than fixed, eliminating the need for replacement films while maintaining reliable UV protection and glare reduction.
Solution Approach 2:
The patent replaces the mechanical application and removal of glass films with an electrical control system. The electrochromic glass is controlled via electrical signals from control elements, eliminating the need for physical installation and removal processes that risk window damage.
2Adaptability or versatility
If static glass films are used, then installation is simple, but the tint level cannot be adjusted to different sunlight conditions
Solution Approach 1:
The patent transforms the static tinting property into a dynamic one by incorporating electrochromic glass that can change its tint level in response to electrical signals. This allows the system to adapt to varying sunlight conditions while maintaining controlled complexity through automated sensors and user-friendly interfaces.
Solution Approach 2:
The patent incorporates light sensors that detect sunlight intensity and automatically adjust the electrochromic glass tint level accordingly. This feedback mechanism enables automatic adaptation to environmental conditions without requiring complex manual control systems.
3Ease of operation
If manual control of tint level is added, then user control is improved, but the system complexity increases
Solution Approach 1:
The patent provides both automatic control via light sensors and manual control through simple control elements. The system can operate autonomously based on environmental conditions while also allowing direct user intervention through intuitive interfaces, balancing ease of operation with manageable complexity.
4Reliability
If adjustable tint levels are implemented, then UV protection effectiveness is improved, but manufacturing complexity increases
Solution Approach 1:
The patent utilizes electrochromic glass, which is a composite material combining photochromic and electrochromic layers. This integrated material provides both UV protection and adjustable tinting capabilities in a single component, simplifying the overall manufacturing process despite the advanced material requirements.
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
Provides durable, user-friendly, and effective UV protection with customizable tint levels, enhancing vehicle comfort and privacy by seamlessly integrating into new or existing vehicles.
Implementation Method 1
The tinted glass includes an outer layer that functions as a photochromic layer and an inner layer that functions as an electrochromic layer
Implementation Method 2
The tinted glass includes an outer layer that functions as a photochromic layer and an inner layer that functions as an electrochromic layer
Data Source
AI summary
A window tinting system for vehicles is disclosed. The system includes a tinted glass with adjustable tint levels, controlled automatically or manually. The automatic adjustment is facilitated by a light sensor detecting sunlight intensity and transmitting data to a tint control module, which adjusts the tint level for optimal protection. A control knob disposed on the vehicle's dashboard is linked to the tint control module through control circuitry and can be turned to manually adjust tint. Additionally, a mobile application enables remote control of the tint level. The tinted glass features an outer photochromic layer that darkens in response to UV light and an inner electrochromic layer controlled by the tint control module.