Lighting Controller Dynamic Color Compensation

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Solution Overview

Problem

Existing home entertainment lighting systems fail to maintain engaging light effects when the level of dynamics is reduced, leading to uninteresting light settings that do not add value to the media content.

Innovation Solution

A method of controlling lighting units by adjusting the color difference level when the level of dynamics is reduced, increasing the color difference level to maintain a dynamic and engaging light effect that corresponds to the media content.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Illumination intensity

If the level of dynamics is reduced by reducing all lighting parameters, then the brightness difference and rate of change are reduced, but the light effects become uninteresting and fail to provide added value to the media content

Engineering Contradiction:
Improvebrightness differenceVSAvoidlight effect quality
Core Design Contradiction:
Illumination intensityVSEase of operation

Solution Approach 1:

The patent applies local quality by differentiating the treatment of lighting parameters based on their type. Instead of uniformly reducing all parameters when dynamics level is reduced, the invention selectively reduces brightness parameters while maintaining or increasing color parameters. This localized differentiation ensures that brightness-based dynamics are reduced while color-based engagement is preserved or enhanced, resolving the contradiction between reduced brightness difference and maintained light effect quality.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The patent implements parameter changes by dynamically adjusting different lighting parameters based on the desired dynamics level. When a reduced dynamics level is selected, the system reduces brightness parameters (intensity, beam angle) while simultaneously increasing color parameters (color difference, saturation). This parameter transformation allows the system to achieve reduced brightness dynamics while maintaining engaging light effects through enhanced color variations.

Inventive Principle:
Principle #35Parameter changes

2Illumination intensity

If the level of dynamics is reduced to make light effects less dominant, then the brightness changes are reduced, but the light effects become less engaging

Engineering Contradiction:
Improverate of change of brightnessVSAvoidlight effect engagement
Core Design Contradiction:
Illumination intensityVSAdaptability or versatility

Solution Approach 1:

The patent applies local quality by differentiating the treatment of lighting parameters based on their type. Instead of uniformly reducing all parameters when dynamics level is reduced, the invention selectively reduces brightness parameters while maintaining or increasing color parameters. This localized differentiation ensures that brightness-based dynamics are reduced while color-based engagement is preserved or enhanced, resolving the contradiction between reduced brightness difference and maintained light effect quality.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The patent implements parameter changes by dynamically adjusting different lighting parameters based on the desired dynamics level. When a reduced dynamics level is selected, the system reduces brightness parameters (intensity, beam angle) while simultaneously increasing color parameters (color difference, saturation). This parameter transformation allows the system to achieve reduced brightness dynamics while maintaining engaging light effects through enhanced color variations.

Inventive Principle:
Principle #35Parameter changes

3Illumination intensity

If all lighting parameters are reduced when a low level of dynamics is set, then the brightness and color variations are reduced, but the light effects become uninteresting

Engineering Contradiction:
Improveoverall brightness levelVSAvoidlight effect interest
Core Design Contradiction:
Illumination intensityVSObject-generated harmful factors

Solution Approach 1:

The patent applies local quality by differentiating the treatment of lighting parameters based on their type. Instead of uniformly reducing all parameters when dynamics level is reduced, the invention selectively reduces brightness parameters while maintaining or increasing color parameters. This localized differentiation ensures that brightness-based dynamics are reduced while color-based engagement is preserved or enhanced, resolving the contradiction between reduced brightness difference and maintained light effect quality.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The patent implements parameter changes by dynamically adjusting different lighting parameters based on the desired dynamics level. When a reduced dynamics level is selected, the system reduces brightness parameters (intensity, beam angle) while simultaneously increasing color parameters (color difference, saturation). This parameter transformation allows the system to achieve reduced brightness dynamics while maintaining engaging light effects through enhanced color variations.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentEP4381905B1A controller and a method for controlling lighting units over time based on media content
Publication Date: 2025.06.11 SIGNIFY HOLDING BV
  • EP4381905B1 patent drawingFigure 1
  • EP4381905B1 patent drawingFigure 2
  • EP4381905B1 patent drawingFigure 3

AI summary

:A method of controlling a plurality of lighting units over time according to light settings is disclosed. The light settings are based on media content rendered on a media rendering device. The method comprises receiving an input indicative of an adjustment of a level of dynamics, the level of dynamics being indicative of a level of difference of the brightness of the light settings and/or a rate of change of the brightness of the light settings over time, determining a color difference level based on the adjusted level of dynamics, wherein the color difference level is indicative of a level of difference of colors of the light settings and/or a rate of change of the colors of the light settings over time, wherein, when the level of dynamics is reduced, the color difference level is increased, and determining the light settings based on the adjusted level of dynamics and the determined color difference level, and controlling the plurality of lighting units over time according to the determined light settings.