Convertible Flexible LED Light Device for Uniform Area Illumination
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Solution Overview
Problem
Existing portable lighting devices often require external power sources and emit light inconsistently, with brightness decreasing as distance from the source increases, failing to provide adequate illumination over large areas.
Innovation Solution
A convertible light device featuring a housing, a battery pack, and an elongate flexible light source with LEDs that can convert between a rope mode and a lantern mode, allowing for detachable coupling and magnetic attachment, with features like a brightness knob and power boost button to enhance illumination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a single concentrated light source is used, then the light source can be simple and compact, but the light emission becomes inconsistent with brightness fading as distance increases
Solution Approach 1:
The light source is divided into multiple LED segments distributed along a flexible rope or wire. Each LED acts as an independent light-emitting unit, collectively providing uniform illumination across the entire length of the rope light, thereby eliminating the brightness fading issue of single-point sources.
Solution Approach 2:
The light emission is transitioned from a single-point (0D) or small-area (2D) source to a linear one-dimensional distribution along the rope. This dimensional expansion allows light to be emitted consistently along the entire length, transforming the illumination pattern from concentrated to distributed.
2Illumination intensity
If battery-powered string lights are used, then the device becomes portable, but the light output is insufficient for practical use
Solution Approach 1:
The patent utilizes LEDs with significantly higher luminous efficiency compared to traditional string light bulbs. By changing the light source parameter from incandescent or low-power LEDs to high-power LEDs, the system achieves sufficient illumination intensity for practical use while maintaining battery-powered portability.
Solution Approach 2:
The system combines high-power LEDs with efficient battery power management and potentially solar charging capabilities. This composite approach integrates multiple energy sources and high-efficiency components to achieve both high light output and extended operational duration without requiring external power sources.
3Illumination intensity
If external power sources are used for bright area lighting, then sufficient light can be provided, but the device loses portability and requires external infrastructure
Solution Approach 1:
The rope light system is designed to be self-powered through integrated battery packs and/or solar charging capabilities. The LEDs consume minimal energy while providing sufficient illumination, allowing the system to operate independently without external power infrastructure, thereby maintaining full portability and ease of deployment in remote locations.
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 device provides consistent, bright light over a large area without external power, offering versatility and flexibility in lighting modes, making it suitable for various applications including camping, boating, and emergency situations.
Implementation Method 1
The magnetic end cap is configured to couple the first end of the elongate flexible light source to the housing adjacent a top portion of the housing
Data Source
AI summary
The disclosure includes a convertible light device comprising a device housing, a battery pack removably coupled to the housing, and an elongate flexible light source detachably coupled to the device housing and electrically coupled to the battery pack, where the elongate flexible light source comprises a plurality of LEDs. In some embodiments, the convertible light device is configured to convert between a rope mode and a lantern mode. In the rope mode, the elongate flexible light source may be configured to extend from the device housing. In the lantern mode, the elongate flexible light source may be configured to wrap around the device housing.