LED Night Light Liquid Optics Medium Heater
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Solution Overview
Problem
Current LED night lights lack innovative designs that incorporate liquid optics media with miniatures to create dynamic, eye-catching light effects, often relying on outdated three-piece LED arrays and direct light viewing, which are space inefficient and lack versatility in functions.
Innovation Solution
An LED night light design utilizing a single LED with internal color dies, integrated with a liquid optics medium and a heater element, allowing light beams to pass through a medium with reflective, refractive, and randomly changing properties, providing multiple functions and motion effects, and enabling indirect light viewing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a three-piece LED array is used to provide multiple color spectral output, then color variety is improved, but device space and cost increase
Solution Approach 1:
The patent combines multiple color spectral outputs (red, green, blue LEDs) into a single integrated LED component, eliminating the need for separate three-piece LED arrays. This merging approach maintains full color variety while significantly reducing the space required and lowering component costs.
Solution Approach 2:
The single LED component is designed to perform multiple functions by incorporating different color spectral outputs within one device. This universal LED can produce multiple colors simultaneously or sequentially, replacing the need for multiple specialized LEDs and achieving space efficiency without sacrificing color versatility.
2Illumination intensity
If direct LED light beam viewing is implemented, then light visibility is improved, but optical effect complexity and eye-catching appeal deteriorate
Solution Approach 1:
The patent introduces a liquid crystal layer as an intermediary between the LED light source and the viewer. This liquid crystal layer modulates the direct LED light beam, creating complex optical effects including color shifting, pattern changes, and dynamic visual displays that enhance eye-catching appeal while maintaining light visibility.
Solution Approach 2:
The liquid crystal layer changes its optical parameters (such as refractive index, molecular orientation) in response to electrical signals from the LED, transforming the static direct light beam into a dynamic display with varying colors, patterns, and visual effects. This parameter modulation creates optical complexity without requiring multiple physical light sources.
3Volume of moving object
If a single LED with internal color dies is used, then space efficiency and cost are improved, but light beam directivity and spectral output control may deteriorate
Solution Approach 1:
The liquid crystal layer serves as a spectral control intermediary that receives light from the single multi-color LED and selectively modulates different wavelength components. This allows independent control of color output and spectral distribution despite using a single integrated LED source, maintaining ease of spectral control while benefiting from space efficiency.
Solution Approach 2:
By changing the electrical parameters (voltage, frequency) applied to the liquid crystal layer, the system can dynamically adjust the spectral output characteristics of the single LED. This enables precise control over color mixing, intensity distribution, and wavelength selection, compensating for the limited spectral control inherent in single-LED designs.
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 creates a visually appealing and space-efficient LED night light with dynamic light patterns and motion effects, enhancing the night light's value and appearance by using a single LED with internal color dies and a heater to create a flowing liquid optics medium, offering various lighting effects and functions.
Implementation Method 1
incorporated with a heater means that will cause the liquid to flow and provide stream effects
Implementation Method 2
causes the LED light beam to be indirectly viewed due to the optics properties of the miniatures suspended therein
Implementation Method 3
the optics properties of the miniatures suspended therein... reflective, refractive, and randomly changing optical properties
Data Source
AI summary
An LED night light includes a liquid optics medium arrangement that lets visible wavelength light beams pass through the liquid optics medium to a viewer. The liquid optics medium may include miniature floating objects made from textile, metal, plastic, porcelain, ceramic, dry flower, wood, plants, and/or potpourri in the shape of toys, stuffed animals, blow-molded units, seasonal items, dolls, etc. for a variety of gift, toy, sports, seasonal, or holiday applications. The night light may further incorporate a heater element to cause the liquid medium to flow and cause movement of the miniatures.