Flexible LED Flashlight with Hinged Clasps for Wearable Configurations

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Solution Overview

Problem

Conventional flashlights are limited in versatility and utility as they are typically designed for specific applications, requiring different types for various uses, which increases costs and restricts their adaptability.

Innovation Solution

A modular, customizable, and flexible flashlight system with a longitudinal middle portion, hinged clasps, and an array of LEDs that can be bent and interlocked in different configurations for various modes of use, including handheld, lantern, mood light, and wearable applications, with a Bluetooth communication module for programming and synchronization with mobile devices.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional flashlights are designed for specific applications, then their functionality is optimized for that application, but their versatility and adaptability decrease

Engineering Contradiction:
ImproveversatilityVSAvoidvariety of types
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The flashlight is designed with a flexible middle portion that can be bent into different configurations (straight, circular, semi-circular) and paired with various attachments (headlamp band, arm band, wrist band, neck lanyard) to serve multiple functions across different applications, replacing the need for multiple specialized flashlight types

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The flashlight is divided into separable components including the flexible middle portion, hinged clasps for connection, and detachable wearable attachments, allowing users to reconfigure and adapt the system for different uses by combining or separating these modular elements

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If different types of flashlights are used for different applications, then each application gets optimized functionality, but costs increase

Engineering Contradiction:
Improveapplication coverageVSAvoidnumber of flashlights
Core Design Contradiction:
Adaptability or versatilityVSQuantity of substance

Solution Approach 1:

A single flashlight unit with flexible middle portion and interchangeable attachments replaces the need for multiple specialized flashlights, allowing one device to serve as handheld flashlight, headlamp, lantern, or wearable light, thereby reducing the total number of devices needed

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The flexible middle portion can be dynamically bent into different shapes and configurations, and attachments can be added or removed based on the required application, enabling one flashlight to adapt to various uses without requiring separate static designs for each application

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If the flashlight middle portion is made flexible to enable bending, then adaptability and configurability improve, but structural strength and waterproofing become more difficult to maintain

Engineering Contradiction:
ImproveconfigurabilityVSAvoidwaterproof assembly
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The middle portion uses a flexible yet sealed structure that maintains waterproof integrity while allowing bending into different configurations, with hinged clasps designed to maintain sealing when connected in various positions

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

Magnet components are used to provide additional coupling force between hinged clasps, replacing or supplementing purely mechanical fastening systems to ensure reliable connection while maintaining flexibility and waterproof sealing across different configurations

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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 flashlight system offers enhanced versatility and adaptability, allowing users to customize shapes and modes of operation, providing a cost-effective solution for multiple applications while maintaining a portable and waterproof design.

Implementation Method 1

The magnet components may be configured such that the male hinged clasp and the female hinged clasp, when interlocked, remain coupled to each other under attractive force of the magnet components. The magnet components may additionally provide magnetic force to fix the flashlight on a vertical metallic surface.

Methodology Applied
Scientific EffectMagnetic force: Magnetism

Implementation Method 2

The middle portion includes an array of light-emitting diodes (LEDs) arranged for emitting light from a front side of the middle portion.

Methodology Applied
Scientific EffectLight emission from LED: Light Emitting Diode

Data Source

PatentEP3933254B1Flexible, customizable, and wearable flashlight
Publication Date: 2024.01.24 MIW TECH INTERNATIONAL LLC
  • EP3933254B1 patent drawingFigure 1A~1B
  • EP3933254B1 patent drawingFigure 2
  • EP3933254B1 patent drawingFigure 3A~3B

AI summary

A flashlight includes a longitudinal elongated middle portion having an array of light emitting diodes (LEDs) arranged for emitting light from a front side of the middle portion, the middle portion being flexible, wherein the flexibility enables bending of the middle portion in a plane through a longitudinal axis of the flashlight; a male hinged clasp configured on a first end of the middle portion, the male hinged clasp having a hinged male interlocking piece for rotary movement about a corresponding hinge axis perpendicular to a plane of bending of the middle portion; and a female hinged clasp configured on a second end of the middle portion, the female hinged clasp having a hinged female interlocking piece for rotary movement about a corresponding hinge axis perpendicular to the plane of bending of the middle portion, the hinged female interlocking piece being configured to interlock with the hinged male interlocking piece.