Bent Plate Printed Layer Single Ink Contrast
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Solution Overview
Problem
Conventional methods for creating a printed layer on a plate require different inks for the base color and design layers, leading to complex printing steps and inconsistent designs when viewed from non-forming surfaces.
Innovation Solution
A plate with a printed layer featuring a bent portion and multiple layers, where the difference in thickness between single-layer and multi-layer portions provides contrast only when viewed from the forming surface, allowing for the same ink to be used and simplifying the printing process, with the multi-layer portions serving as alignment marks for easy positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If different inks are used for metal base color layer and design layer to create contrast, then pattern recognition is improved, but printing process complexity increases
Solution Approach 1:
The patent uses the same ink for both metal base color layer and design layer, eliminating the need for multiple inks. Contrast is achieved not through color differences but through the interaction of light with the bent plate surface and printed layer structure, allowing single-ink printing while maintaining pattern recognizability
Solution Approach 2:
The patent changes the physical parameter of the plate (introducing a bent portion) rather than changing ink parameters to achieve contrast. This allows the use of identical ink for both layers while still producing visual differentiation through light reflection and refraction effects on the curved surface
2Shape
If different inks are used for metal base color layer and design layer, then design contrast is improved, but manufacturing steps become complicated
Solution Approach 1:
The patent merges the function of creating contrast from multiple inks into a single-ink system by utilizing the bent plate geometry. The metal base color layer and design layer are printed using the same ink, reducing manufacturing steps while achieving the desired design contrast through optical effects on the curved surface
Solution Approach 2:
The patent achieves design contrast without relying on color differences between inks. Instead, it uses the bent plate structure to create visual contrast through light interaction, allowing both layers to be printed with identical ink and simplifying the manufacturing process
3Illumination intensity
If printed layer is viewed from non-forming surface, then visibility is achieved, but color consistency is lost due to visible differences
Solution Approach 1:
The patent introduces a bent portion to the plate, transitioning from a flat two-dimensional surface to a three-dimensional curved surface. This dimensional change enables the printed layer to be viewed from both forming and non-forming surfaces while maintaining color consistency, as the same ink is used throughout and contrast is achieved through geometry rather than color variation
Data Source
AI summary
The present invention relates to a plate with a printed layer, including a plate having a bent portion, a lower printed layer, and an upper printed layer provided at a portion of the lower printed layer, in which at least a portion of the lower printed layer is provided at a position corresponding to the bent portion on a main surface of the plate.