Decor Sheet Color Shift Compensation via ICC Profile
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The existing methods for manufacturing decorative sheets for panels, such as those used in furniture or flooring, face challenges like color change during thermal lamination or heat pressing, leading to increased costs for color matching and potential production interruptions.
Innovation Solution
A method involving a first printed substrate with a color patch, where a predetermined operation causes a color shift, and by determining a first ICC profile based on the color coordinates, an image processing operation is performed to create a second master image that accounts for the color change, allowing for accurate prediction and minimization of color matching issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If thermal lamination or heat pressing is performed on the decorative sheet, then the decorative layer is bonded to the substrate, but color change occurs during the process
Solution Approach 1:
The patent applies preliminary action by measuring the color of the decorative sheet before thermal lamination or heat pressing, and using this pre-measurement data to create a color correction model. This allows the system to predict and compensate for color changes before they occur, ensuring accurate color reproduction in the final bonded product.
Solution Approach 2:
The patent changes the parameter approach by introducing color coordinate measurements (LAB values) and creating transformation models that map colors before and after thermal processing. The system uses these parameter changes to adjust the decorative sheet design compensating for the inevitable color shift during bonding.
2Manufacturing precision
If color matching trials are performed to account for color change, then color accuracy is improved, but production time and costs increase
Solution Approach 1:
The patent uses copying by creating a digital color correction model based on measured color data from test samples. Instead of physically trial-and-erroring multiple versions, the system copies the color transformation characteristics into a computational model that can be applied automatically to all production sheets, eliminating repetitive physical trials.
Solution Approach 2:
The patent replaces the mechanical trial-and-error process with a digital computational system. Rather than physically producing multiple test samples and manually comparing colors, the system uses automated color measurement devices and image processing algorithms to calculate and apply color corrections, substituting mechanical experimentation with digital simulation.
3Manufacturing precision
If multiple color matching trials are conducted, then color accuracy is improved, but manufacturing complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the color matching process into distinct modular components: color measurement module, color correction model generation module, and color adjustment module. This segmentation allows each component to be independently developed, tested, and optimized, reducing overall system complexity while maintaining high color accuracy.
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
This method simplifies the color matching process, reduces the number of trials needed, and allows for immediate production runs by predicting and preparing for color changes during the manufacturing process, thereby enhancing efficiency and reducing costs.
Implementation Method 1
a predetermined operation causes a color shift on said at least one color spot
Data Source
AI summary
A method is provided for manufacturing a decorative sheet for decorative panels. The method may involve providing a first printed substrate having a printed color patch having at least one printed color spot. The first printed substrate may be subjected to at least a predetermined operation that causes a color shift of the color spot. A first color coordinate set may be determined for the color spot. A first ICC profile may be determined using the first color coordinate set. A first master image may be visualized on a display device using the first ICC profile. An image processing operation may be performed on the first master image to obtain a second master image during the visualization. The second master image may be printed on a second substrate to obtain the decorative layer.