Light Emitting Device Base With Inclined Refrigerant Passage
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Solution Overview
Problem
In light emitting devices, variations in the cooling effect of refrigerants across different light emitting elements can occur due to uneven proximity to refrigerant passages, leading to inconsistent cooling performance.
Innovation Solution
A light emitting device design featuring a base with inclined mounting surfaces and a refrigerant passage that extends along the light emitting elements, ensuring consistent refrigerant flow and reduced variation in cooling effects by minimizing distance differences between the elements and the refrigerant passage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If light emitting elements are arranged at different distances from the refrigerant passage, then the base structure can accommodate multiple elements, but variation in cooling effect increases
Solution Approach 1:
The base is designed with a refrigerant passage that extends in the first direction to span across multiple light emitting elements. This creates different local cooling zones along the passage, with each section providing optimized cooling to elements at different positions, thereby maintaining consistent cooling effects across all elements despite their different locations
Solution Approach 2:
The refrigerant passage is configured to extend not only in the second direction (perpendicular to mounting surfaces) but also in the first direction (parallel to the arrangement of light emitting elements). This dimensional extension ensures that cooling is distributed uniformly across all elements arranged in the first direction, eliminating distance-related variations in cooling effect
2Temperature
If the refrigerant passage is positioned close to some light emitting elements, then cooling efficiency for those elements improves, but elements distant from the passage experience insufficient cooling
Solution Approach 1:
The refrigerant passage is designed to extend in both the second direction (for close proximity cooling) and the first direction (for broad coverage). This dual-directional extension ensures that all light emitting elements, regardless of their position, are within effective cooling distance, achieving both high cooling efficiency and uniform cooling coverage
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 configuration reduces variation in the cooling effect across light emitting elements, enhancing thermal management and performance consistency.
Implementation Method 1
a refrigerant passage that is arranged between the plurality of mounting surfaces and the bottom surface and in which a refrigerant flows
Data Source
AI summary
A light emitting device includes: a plurality of light emitting elements that are aligned in a first direction; and a base that includes a plurality of mounting surfaces that are aligned in the first direction and on which the respective light emitting elements are mounted; a bottom surface that extends in a second direction that is inclined with respect to the first direction on back sides of the plurality of mounting surfaces; and a refrigerant passage that is arranged between the plurality of mounting surfaces and the bottom surface and in which a refrigerant flows, the refrigerant passage including a first section that extends in the first direction along the plurality of light emitting elements.