LED Lighting Apparatus Simulating Color Deficient Vision
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Solution Overview
Problem
Current lighting systems fail to effectively simulate color vision deficiency for individuals with normal color vision, making it difficult to understand and appreciate the experiences of those with color blindness, and there is a need for devices that demonstrate the benefits of ophthalmic lenses designed to alleviate color vision deficiency symptoms.
Innovation Solution
A lighting apparatus and method that utilize a combination of light-emitting technologies such as LEDs, fluorescent lamps, and optical filters to create a spectral power distribution that simulates color deficient vision, allowing individuals with normal color vision to experience the effects of color vision deficiency, and demonstrating the effectiveness of ophthalmic lenses with narrow-band spectral transmission features.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If conventional white light sources are used for illumination, then general visibility and luminous efficiency are improved, but the ability to simulate color vision deficiency and demonstrate ophthalmic lens effectiveness is lost
Solution Approach 1:
The lighting system dynamically adjusts its spectral power distribution by varying the intensity of individual LEDs (blue, green, red) to simulate different color vision deficiency conditions. This dynamic control allows the system to transition between normal vision simulation and various color blindness simulations, resolving the contradiction between maintaining high luminous efficiency and achieving simulation versatility.
Solution Approach 2:
The system changes the spectral parameters by adjusting the relative intensities of LEDs at different wavelengths (480nm blue, 530nm green, 630nm red). By modifying these spectral parameters, the system can simulate color vision deficiency while maintaining adequate illumination, thus resolving the contradiction between illumination quality and simulation capability.
2Reliability
If narrow-band spectral filters are incorporated into ophthalmic lenses to ameliorate color vision deficiency, then color vision improvement is achieved, but the functional properties are not readily observable by ordinary visual inspection
Solution Approach 1:
The lighting system acts as an intermediary that enhances the visibility of the ophthalmic lens's functional properties. By providing illumination with specific spectral power distributions, the system makes the narrow-band spectral transmission features of the lenses observable to persons with normal color vision, thus resolving the contradiction between lens effectiveness and observability.
Solution Approach 2:
The system utilizes color changes in the illumination to make the functional properties of the ophthalmic lenses visible. By adjusting the spectral composition of the light, the system creates conditions where the narrow-band filters in the lenses produce observable color effects, enabling persons with normal vision to perceive the lenses' functional characteristics.
3Loss of information
If the spectral power distribution is adjusted to simulate color deficient vision, then awareness and education are facilitated, but the natural appearance of colors is altered
Solution Approach 1:
The system applies partial action by selectively altering only specific portions of the spectral power distribution while maintaining others. It can simulate color vision deficiency by adjusting specific wavelength intensities while preserving overall illumination quality, thus facilitating awareness without completely destroying natural color appearance.
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 enables individuals with normal color vision to understand and appreciate the challenges of color vision deficiency and effectively demonstrates the benefits of ophthalmic lenses in improving color vision, facilitating awareness, education, and product selection.
Implementation Method 1
Lighting apparatus and methods that utilize a combination of light-emitting technologies such as LEDs, fluorescent lamps
Implementation Method 2
Lighting apparatus and methods that utilize a combination of light-emitting technologies such as LEDs, fluorescent lamps
Implementation Method 3
ophthalmic lenses with narrow-band spectral transmission features
Implementation Method 4
optical filters having narrow-band spectral transmittance characteristics
Data Source
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AI summary
The invention generally relates to devices that demonstrate the function of ophthalmic lenses that modify human color perception and to methods and devices that simulate color vision deficiency or color blindness.