Keyboard Key Light-Shading Layer for Multi-Color Output
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Solution Overview
Problem
Current light-permeable keys can only transmit a single color of light, requiring multiple light sources to display different colors, which increases manufacturing costs.
Innovation Solution
A key design featuring a light-permeable body with a light-shading layer and multiple dye layers, where the light-shading layer has distinct permeable areas and the dye layers are applied to adjust the color of light transmitted, allowing for the observation of multiple colors from a single light source.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple light sources with different colors are used to display different colors on keys, then color variety is improved, but manufacturing cost increases
Solution Approach 1:
The patent applies local quality by creating different light-permeable areas with different dye layers on the same key surface. Each area has distinct color properties achieved through selective dye application, allowing one key to display multiple colors in different regions without requiring multiple light sources.
Solution Approach 2:
The patent directly implements color changes by using dye layers with different light permeability characteristics. The first dye layer and second dye layer absorb different wavelengths of light, causing the key to appear in different colors when viewed from different angles or under different lighting conditions, eliminating the need for multiple colored light sources.
2Ease of manufacture
If a single light source is used, then manufacturing cost is reduced, but color variety deteriorates
Solution Approach 1:
The patent uses parameter changes by varying the optical properties of different key areas through dye concentration and layer composition. By changing the light permeability parameters of the dye layers, a single light source can produce multiple color effects across different areas of the key, achieving color variety without additional light sources.
Solution Approach 2:
The patent employs composite materials by combining the light-permeable body with multiple dye layers having different optical characteristics. This composite structure allows a single light source to interact with different material compositions in different areas, producing varied color outputs from one key.
3Adaptability or versatility
If dye layers are added to the key structure, then color variety is improved, but device complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the key surface into different light-permeable areas, each with its own dye layer configuration. This segmentation allows independent color control in different regions while maintaining a unified key structure, achieving color variety without proportionally increasing overall complexity.
Solution Approach 2:
The patent uses the nesting principle by placing dye layers within or on the light-permeable body structure. The dye layers are integrated into the key's existing form factor, with each dye layer nested in a specific area, allowing multiple functional layers to coexist within a single key component without significantly increasing external dimensions or assembly complexity.
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
Enables the transmission of at least two colors with a single light source, reducing manufacturing costs and enhancing color variation without increasing the number of light sources needed.
Implementation Method 1
the first dye layer may also be formed within the first light-permeable area. Thus, when a light source disposed at the back of the key emits a light ray, the user can observe the color produced after the light ray passes through the first dye layer
Data Source
AI summary
A key includes a light-permeable body, a light-shading layer and a first dye layer. The light-shading layer is formed on the surface of the light-permeable body and has a first light-permeable area and a second light-permeable area. The first dye layer is formed on the first light-permeable area.