Touch-Sensitive Color Wheel for Intuitive Lighting Control

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Solution Overview

Problem

Current color adjustable illumination devices are complex for non-expert users to control, particularly when creating spatial color gradients or dynamic color effects, as they require manual selection and precise adjustments, limiting user-friendly control options.

Innovation Solution

A method using a touch-sensitive color wheel interface that allows users to draw a color path to generate a control signal for hue and saturation variation, enabling intuitive control of color adjustable illumination devices for both spatial and dynamic lighting effects.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If manual selection of colors for each light source is performed to create spatial color gradients, then lighting effect customization is improved, but operation complexity and time consumption increase

Engineering Contradiction:
Improvelighting effect customizationVSAvoidoperation complexity
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The system automatically generates spatial color gradients by detecting the sequence of colors drawn on the color wheel. The user simply draws a path on the color wheel interface, and the system autonomously assigns colors to multiple light sources along the path, eliminating the need for manual color selection for each individual light source while maintaining full customization capability.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The invention transforms the control parameter from individual light source color selection to a continuous color path drawing on the color wheel. By changing the parameter representation from discrete light source control to continuous spatial color gradient definition, the system reduces operation complexity while preserving lighting effect customization.

Inventive Principle:
Principle #35Parameter changes

2Ease of operation

If predefined lighting effects are provided to simplify control, then ease of operation is improved, but freedom of color sequence selection is limited

Engineering Contradiction:
Improvecontrol simplicityVSAvoidcolor sequence freedom
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

The system transitions from static predefined lighting effects to dynamic user-defined color paths. Users can draw any desired color path on the color wheel interface, and the system dynamically generates corresponding lighting effects by assigning colors to light sources along the drawn path. This provides complete freedom of color sequence selection while maintaining ease of operation through intuitive visual drawing.

Inventive Principle:
Principle #15Dynamics

3Manufacturing precision

If precise manual adjustment of colors is performed to achieve balanced gradients, then lighting quality is improved, but time consumption increases

Engineering Contradiction:
Improvecolor gradient balanceVSAvoidtime consumption
Core Design Contradiction:
Manufacturing precisionVSLoss of time

Solution Approach 1:

The system provides real-time visual feedback by displaying the color path drawn on the color wheel interface. As users draw their desired color sequence, the system immediately shows the corresponding lighting effect preview, allowing users to adjust their drawing to achieve balanced gradients. This feedback mechanism ensures lighting quality while reducing time consumption by enabling intuitive trial-and-error adjustment.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system pre-processes the color path drawing by automatically detecting and interpreting the color sequence, saturation levels, and spatial distribution from the user's drawing. This preliminary automated processing eliminates the need for manual fine-tuning of each parameter, achieving balanced color gradients quickly without time-consuming precise adjustments.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS8933903B2Controlling a color variation of a color adjustable illumination device
Publication Date: 2015.01.13 SIGNIFY HOLDING BV
  • US8933903B2 patent drawing
  • US8933903B2 patent drawing
  • US8933903B2 patent drawing

AI summary

A method of generating a control signal for control of a color variation of a color adjustable illumination device, using a user interface (2) comprising a touch sensitive color wheel (3) with a hue that varies in a tangential direction and a saturation that varies in a radial direction, said method comprising the steps of: monitoring (401; 602) the touch sensitive color wheel (3) for user inputs; acquiring (402) a color path (5) input as a curve drawn on the touch sensitive color wheel (3) by a user; and generating (403) a control signal adapted to be received by a control unit (9) for controlling the color variation of the color adjustable illumination device, the control signal including information about the hue variation and the saturation variation of the acquired color path (5). This allows a user to create a lighting effect with a color variation in an intuitive way by drawing a color path as a curve on a touch sensitive color wheel.