Optical Fiber Light Chamber Layout for Single-Source Illumination

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing optical fiber-based lighting systems require additional light sources, which lead to heating, power routing complexities, and cumbersome maintenance, especially when integrated within building materials or glass panels, and mixing lights of different colors is cumbersome due to the need for multiple sources.

Innovation Solution

A light generating system using a single optical fiber with a light generating device and a light chamber, allowing light to escape through an elongated outer surface and utilizing curvatures and luminescent materials to control light intensity, spectral power distribution, and color, enabling illumination from a single fiber source.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If LED lights are used in laser lighting systems, then the system can operate without a laser unit, but the color rendering is insufficient and the lights appear washed out

Engineering Contradiction:
Improvesystem simplicityVSAvoidcolor rendering quality
Core Design Contradiction:
Ease of manufactureVSIllumination intensity

Solution Approach 1:

The patent combines LED lights with optical fibers to create a hybrid lighting system. The LED unit provides the light source while the optical fibers transmit and enhance the light, merging the simplicity of LED operation with the superior color rendering of optical fiber-based lighting.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The optical fiber acts as an intermediary between the LED light source and the final illumination. It receives light from the LED and transforms it into high-quality, vibrant lighting output, mediating between the simple LED source and the desired high-color-rendering performance.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Device complexity

If conventional lighting methods are used, then the system structure remains simple, but the lighting cannot penetrate water effectively

Engineering Contradiction:
Improvesystem structureVSAvoidlight penetration through water
Core Design Contradiction:
Device complexityVSObject-affected harmful factors

Solution Approach 1:

The patent replaces conventional mechanical lighting systems with an optical fiber-based system. The optical fibers are specifically designed to transmit light effectively through water, substituting traditional lighting mechanisms with an optical transmission medium that overcomes the water penetration barrier.

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

Solution Approach 2:

The optical fibers are designed with specific optical parameters (transmission properties, wavelength characteristics) that enable effective light penetration through water. By changing the optical parameters of the light transmission medium, the system achieves water penetration capability without increasing structural complexity.

Inventive Principle:
Principle #35Parameter changes

3Illumination intensity

If laser lights are used, then vibrant colors and water penetration are achieved, but the system becomes expensive and complex

Engineering Contradiction:
Improvecolor vibrancy and water penetrationVSAvoidsystem complexity and cost
Core Design Contradiction:
Illumination intensityVSDevice complexity

Solution Approach 1:

The patent creates a simplified copy of the laser lighting effect using optical fibers and LED lights. Instead of using actual laser light sources, the system copies the desirable optical properties (vibrant colors, water penetration) through optical fiber transmission, achieving similar effects with simpler, less expensive components.

Inventive Principle:
Principle #26Copying

Solution Approach 2:

The system replaces expensive laser units with more economical LED lights and optical fibers. The optical fiber-based approach uses cheaper, more durable components that can be easily replaced if needed, eliminating the need for expensive laser hardware while maintaining the desired optical performance.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

4Illumination intensity

If optical fibers are used to transmit light, then water penetration and color vibrancy are improved, but the system becomes more complex

Engineering Contradiction:
Improvewater penetration capabilityVSAvoidoptical system complexity
Core Design Contradiction:
Illumination intensityVSDevice complexity

Solution Approach 1:

The optical fibers serve multiple functions: they transmit light, enable water penetration, and maintain color vibrancy. By making the optical fiber system multi-functional, the patent achieves water penetration capability without proportionally increasing system complexity, as the same components handle multiple performance requirements.

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

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 controlled illumination with a single optical fiber, reducing system bulkiness and maintenance complexity, allowing integration within building materials and glass panels, and enabling high brightness lighting applications.

Implementation Method 1

a laser lighting system that uses an optical fiber to transmit laser light from a laser unit to an illumination area

Methodology Applied
Scientific EffectOptical fiber transmission: Optical Fibre

Implementation Method 2

When laser light from a laser unit illuminates a body of water, fluorescent particles in the water reflect the light back to the surface at different wavelengths

Methodology Applied
Scientific EffectFluorescence: Fluorescence

Data Source

PatentEP4505110B1Laser lighting system comprising optical fiber
Publication Date: 2026.05.06 SIGNIFY HOLDING BV
  • EP4505110B1 patent drawingFigure 1A
  • EP4505110B1 patent drawingFigure 1B
  • EP4505110B1 patent drawingFigure 2A

AI summary

The invention provides a light generating system comprising a light generating device, an optical fiber, and a light generating unit. Especially, the light generating device may be configured to generate device light comprising a first wavelength, wherein the light generating device comprises a solid-state light source. Especially, the optical fiber may comprise an elongated body of light transmissive material, transmissive for the device light comprising the first wavelength. Further, the optical fiber may comprise a light entrance part. Especially, the optical fiber may have a length L1 and an elongated outer surface over at least part of its length L1. Especially, the optical fiber may be configured such that upon irradiating the light entrance part with the device light comprising the first wavelength, over at least part of its length L1 second light escapes from the optical fiber via the elongated outer surface. Further, the light generating unit may comprise a light chamber. Especially, the light chamber may comprise a reflective internal surface, reflective for the second light, and a chamber exit window, transmissive for the second light. Further, at least part of the optical fiber having a chamber fiber length L2 may be configured within the light chamber with n1 curvatures in a plane parallel to a length axis (A) of the optical fiber (500), wherein n1≥1. Especially, the light generating system may be configured to generate system light comprising at least part of the second light escaped from the light chamber via the chamber exit window.