Timepiece Dial Asymmetric Protrusions for Visual Depth
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Solution Overview
Problem
Existing timepiece dials face challenges in enhancing the decorativeness of surface decorations due to restrictions in height caused by the outer case dimensions, manufacturing limitations, and the desire for improved design freedom.
Innovation Solution
A timepiece dial design featuring a surface decoration with multiple protrusion portions, where the inclination angles of the first and second inclined surfaces differ, and the protrusion portions have varying heights and positions across multiple cross-sections, allowing for increased contrast and depth in the decoration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If the height of unevenness in surface decoration is increased to improve decorativeness, then the visual appeal and depth of the surface decoration is enhanced, but the design is constrained by outer case dimensions and manufacturing limitations
Solution Approach 1:
The invention applies asymmetry by making the inclination angles of the first and second inclined surfaces different from each other. This asymmetric design allows light to hit one inclined surface more easily while making it less likely to hit the other, creating brightness contrast that enhances visual appeal without requiring large uniform heights across the entire surface decoration
Solution Approach 2:
The invention applies local quality by creating variations in the heights of different protrusion portions. Each protrusion portion can have different height characteristics, allowing light to interact differently with each portion. This localized variation in height and brightness creates a deep, luxurious appearance while working within overall dimensional constraints
2Ease of manufacture
If uniform heights are used for all protrusion portions, then manufacturing is simplified, but the surface decoration becomes monotonous and lacks depth
Solution Approach 1:
The invention makes two or more protrusion portions have different heights, creating local variations in the surface decoration. This allows each protrusion portion to interact with light differently, producing a non-monotonous, deep appearance that enhances visual appeal while still using a systematic approach that can be manufactured
3Illumination intensity
If the surface decoration has large unevenness, then decorativeness is improved, but the visibility of index markers may be compromised
Solution Approach 1:
The asymmetric inclination angles create brightness contrast that directs light reflection in specific directions. This can be designed to direct light away from index marker areas, preventing the surface decoration from interfering with index visibility while still creating deep, luxurious appearance in the decorative regions
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 design enhances the visual appeal of the surface decoration by creating a deep and luxurious appearance with increased contrast and design freedom, while maintaining good visibility of the index markers.
Implementation Method 1
since the inclination angles of the first inclined surface and the second inclined surface are different, it is possible to perform a design such that light easily hits one inclined surface of the two inclined surfaces, and light is less likely to hit the other inclined surface
Data Source
AI summary
Provided is a timepiece dial and a timepiece. In a timepiece dial, a surface decoration including a plurality of protrusion portions is formed on a first main surface. In at least one of the protrusion portions, inclination angles of a first inclined surface that increases in height toward a vertex and a second inclined surface that decreases in height from the vertex are different in a first cross-section perpendicular to a first direction. In the first cross-section, two or more of the plurality of protrusion portions have different heights. There are two or more of the protrusion portions in a second cross-section perpendicular to a second direction perpendicular to the first direction along a first main surface.