Modular LED Lighting System for Dynamic Shop Window Display Adaptation

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Solution Overview

Problem

Current shop window lighting systems face challenges such as limited space, the need for ladders to install fixtures, difficulty in judging lighting effects, over or under lighting due to varying daylight conditions, and the inability to create dynamic or balanced lighting scenes with static solutions, which often result in inefficient energy use and unsatisfactory presentations.

Innovation Solution

A lighting system comprising multiple, tunable LED lighting units mounted on a slim carrier, oriented to project light patches in specific directions and angles, allowing for adjustable intensity and color temperature, enabling flexible and dynamic lighting configurations that can mimic natural daylight effects while minimizing energy consumption.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Illumination intensity

If traditional spot lighting systems are used with high intensity to overcome daylight reflections, then the display brightness is improved during daytime, but the display becomes overlit during nighttime and consumes excessive energy

Engineering Contradiction:
Improvedisplay brightnessVSAvoidenergy consumption
Core Design Contradiction:
Illumination intensityVSUse of energy by moving object

Solution Approach 1:

The lighting system employs multiple independently controllable LED modules with adjustable intensity and color temperature, allowing dynamic adaptation to varying ambient light conditions. The system transitions from static high-intensity lighting to dynamic multi-level control, optimizing energy consumption while maintaining display quality throughout the day and night cycles.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The invention utilizes adjustable intensity and color temperature parameters of LED light sources to adapt the lighting output to different environmental conditions. By changing these parameters based on ambient light levels, the system achieves optimal display brightness during daytime and reduced intensity during nighttime, eliminating the need for constant high-intensity operation.

Inventive Principle:
Principle #35Parameter changes

2Adaptability or versatility

If multiple lighting devices with different color temperatures and beam angles are used to create realistic lighting scenes, then the presentation quality is improved, but the device complexity increases

Engineering Contradiction:
Improvelighting scene flexibilityVSAvoidsystem complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The invention integrates multiple lighting functions (key light, fill light, backlight) and various beam angles into a single modular LED lighting device. This consolidation achieves the versatility of multiple specialized devices while reducing overall system complexity through unified design and control architecture.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

Each LED module is designed as a multi-functional unit capable of operating in different modes (key light, fill light, backlight) with adjustable intensity and color temperature. This universal design allows a single device type to replace multiple specialized lighting devices, simplifying the overall system while maintaining lighting scene flexibility.

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

3Area of stationary object

If lighting fixtures are installed at higher positions out of reach for proper illumination angles, then the scene viewing space is improved, but the ease of installation and adjustment deteriorates

Engineering Contradiction:
Improvescene viewing spaceVSAvoidinstallation ease
Core Design Contradiction:
Area of stationary objectVSEase of operation

Solution Approach 1:

The invention transitions from vertical mounting (requiring height for proper illumination angles) to horizontal mounting along the display front. This dimensional change allows the lighting system to achieve proper illumination geometry without requiring elevated installation positions, improving accessibility while maintaining lighting quality.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

4Reliability

If static lighting systems are used for shop window displays, then the reliability is improved, but the adaptability to different lighting conditions and dynamic effects deteriorates

Engineering Contradiction:
Improvesystem reliabilityVSAvoidlighting condition adaptability
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The invention implements dynamic control of LED intensity and color temperature without requiring mechanical moving parts. This electronic dynamic adjustment provides adaptability to varying lighting conditions and enables dynamic lighting effects while maintaining the reliability of a static physical structure.

Inventive Principle:
Principle #15Dynamics

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 system provides a flexible, energy-efficient, and visually appealing lighting solution that can adapt to different daylight conditions, reducing the need for ladders and enhancing presentation quality by creating balanced and dynamic lighting scenes without the limitations of static systems.

Implementation Method 1

the first lighting units are LEDS (Light Emitting Diodes) and the second lighting units are LEDS (Light Emitting Diodes)

Methodology Applied
Scientific EffectLight Emitting Diode: Light Emitting Diode

Data Source

PatentEP3811740B1Lighting system
Publication Date: 2024.12.04 SIGNIFY HOLDING BV
  • EP3811740B1 patent drawingFigure 1A~1B
  • EP3811740B1 patent drawingFigure 1C~1D
  • EP3811740B1 patent drawingFigure 2A~2B

AI summary

The invention relates to a lighting device, a lighting system and a lighting method. The lighting device comprises a row of lighting units mounted in a first direction X on an elongated carrier wherein each lighting unit is mounted with a respective, fixed, unique, pre-determined orientation. Said lighting device is configured to directly project on a target plane P a row of light patches, said plane P extending in said first direction X and in a second direction Y transverse to said first direction. Said row of light patches extends in the second direction and wherein said lighting device is offset out of said plane P in a third direction Z. The lighting system comprises at least a first and at least one second lighting device substantially lying in line in the length direction. Optionally said first and at least one second lighting device may extend in two or three parallel rows. Said lighting system further optionally comprises a control unit for individual control/addressing of the lighting units of the at least first and further lighting device.