Direction Indicator Light With Opaque Partition Walls
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Solution Overview
Problem
Small vehicles, such as automotive two-wheeled vehicles, face challenges in clearly indicating direction due to the narrow width of their directional signal lights, leading to overlapping light issues that obscure the recognition of sequential lighting patterns.
Innovation Solution
The implementation of a directional signal light system with light-blocking walls and hook portions to prevent light leakage between adjacent light-emitting surfaces, ensuring clear visibility of chain-reactive switch-ons and switch-offs, even in narrow configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If light sources are arranged in the vehicle width direction for sequential lighting, then dynamic direction indication is achieved, but light overlap between adjacent light sources occurs in narrow width configurations
Solution Approach 1:
The signal light assembly is segmented into multiple independent light chambers using light-blocking walls. Each light chamber contains a light source and has its own light-emitting surface. The light-blocking walls divide the narrow width space into separate compartments, preventing light from one chamber from overlapping with adjacent chambers, thus enabling clear sequential lighting indication in narrow width configurations
Solution Approach 2:
Light-blocking walls serve as intermediary elements between adjacent light sources. These walls physically block light transmission between neighboring light chambers, acting as mediators that prevent harmful light overlap while allowing each light source to function independently for sequential indication
2Length of moving object
If the left-right width of the directional signal light is reduced for small vehicles, then vehicle compactness is improved, but recognition of sequential lighting pattern becomes difficult
Solution Approach 1:
The invention transitions from a two-dimensional arrangement of light sources to a three-dimensional structure by adding light-blocking walls that create depth-separated light chambers. This dimensional change allows light sources to be arranged in a narrow width while maintaining visual separation through the light-blocking walls, enabling sequential lighting recognition even in compact configurations
3Reliability
If light-blocking walls are added to prevent light leakage, then light chamber separation is improved, but device complexity increases
Solution Approach 1:
The light-blocking walls are merged with the housing structure to form an integrated assembly. The walls are positioned between adjacent light-emitting surfaces and extend to block light leakage, combining the functions of structural support and light isolation into a unified design that minimizes additional complexity while ensuring reliable light chamber separation
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 enhances the visibility of dynamic direction indications by preventing light overlap and maintaining the continuity of the sequential lighting pattern, making it easier to recognize the intended direction, even with a narrow left-right width.
Implementation Method 1
a partition wall made of an opaque member is arranged between the light sources... light between the light-emitting surfaces of the adjacent light chambers is blocked
Data Source
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AI summary
This small-vehicle direction indicator device includes a directional signal light (52) for small vehicles such as saddle riding type vehicles, the directional signal light (52) including a lighting unit (53) and a plurality of light sources (54) that are arrayed in the lighting unit (53) in a vehicle width direction, and the small-vehicle direction indicator device performing a dynamic direction indication by chain-reactive switch-ons or switch-offs of the plurality of light sources (54) when the directional signal light (52) is activated, wherein in the directional signal light (52), between the plurality of light sources (54), a light-blocking wall (60) made of an opaque member is arranged, and wherein a plurality of the light-blocking walls (60) are arrayed in the vehicle width direction.