Color-Changeable Material Printing via Laser Energy Source
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Solution Overview
Problem
Current commercial printing technologies face inefficiencies in variable data printing, particularly with ink jet systems, which are slower, prone to clogging, and costly, and require ongoing ink purchases, while also dealing with toxicity and performance drawbacks.
Innovation Solution
A system utilizing a color-changeable material and an energy source, such as a laser, to print variable data directly on a substrate in-line with a commercial printing press, replacing traditional ink jet systems and enabling high-speed, high-resolution printing without ink.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If ink jet systems are used for variable data printing, then variable data can be printed, but printing speed decreases and system complexity increases
Solution Approach 1:
The patent extracts the ink delivery system from the printing mechanism, using a fixed plate that transfers ink only where needed through selective contact with the substrate. This eliminates the need for complex ink jet systems while maintaining variable data printing capability through mechanical selection rather than digital control.
Solution Approach 2:
The patent replaces the digital/mechanical ink jet system with a purely mechanical plate-based system. The variable data is encoded in the physical structure of the printing plate itself, which mechanically selects which areas receive ink through contact pressure, substituting electronic control with mechanical design.
2Adaptability or versatility
If ink jet systems are used for variable data printing, then variable data can be printed, but device complexity and ongoing costs increase
Solution Approach 1:
The patent extracts and eliminates the ink delivery system from the printing mechanism, using a fixed plate that transfers ink only where needed through selective contact with the substrate. This eliminates the need for complex ink jet systems while maintaining variable data printing capability through mechanical selection rather than digital control.
Solution Approach 2:
The patent uses simple, replaceable printing plates that can be easily manufactured and changed. Instead of investing in expensive, complex ink jet systems with ongoing maintenance costs, the solution employs inexpensive plates that can be discarded or replaced as needed, reducing both device complexity and ongoing operational costs.
3Productivity
If traditional printing methods are used, then fixed data printing is efficient, but variable data printing requires separate processes
Solution Approach 1:
The patent merges fixed and variable data printing into a single integrated process. The printing plate contains both fixed data elements (permanent features) and variable data elements (changeable features), allowing both types of data to be printed simultaneously in one pass through the press, eliminating the need for separate printing lines or processes.
Solution Approach 2:
The printing plate serves multiple functions: it acts as both the fixed data template and the variable data selector. The same plate structure that defines the fixed layout also mechanically controls which variable elements receive ink, making the system universal for handling both fixed and variable data without requiring additional equipment.
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 solution allows for efficient, high-speed, and high-quality printing of both fixed and variable data without ink, reducing costs and complexity, and enabling flexible, in-line printing of graphical images and packaging without the need for frequent ink replacements or clogging issues.
Implementation Method 1
A system utilizing a color-changeable material and an energy source, such as a laser, to print variable data directly on a substrate
Data Source
AI summary
Systems and methods for printing data on a substrate including a color-changeable material are provided. One system includes a processing circuit and a device including an energy source. At least a portion of a printed publication is printed on the substrate using a commercial printing press based on fixed data. The device including the energy source is configured to add variable data to the substrate. The processing circuit is configured to receive the variable data and to control the energy source to change a color of the color-changeable material based on the variable data to provide at least a portion of the printed publication. The processing circuit is configured to control the energy source to change the color of the color-changeable material in-line with a flow of the substrate through one of a printing line, a finishing line, or a packaging line of the commercial printing press.