Lateral-Wall Light-Emitting Structure for Flexible Component Mounting
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing light-emitting devices have a fixed structure that limits the flexibility in mounting other components due to the optical path length of light from the light-emitting element, restricting the placement of additional components.
Innovation Solution
A light-emitting device design featuring a substrate with lateral wall portions that surround the light-emitting element, reducing the distance between the element and other components, allowing for a more flexible mounting configuration by incorporating a light incident surface and a light exit surface within the lateral wall portions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the optical path length of light from the light-emitting element is reduced to enable other components to be mounted, then flexibility in mounting other components is enhanced, but the device structure becomes more complex due to the need for lateral wall portions with light incident and exit surfaces
Solution Approach 1:
The patent transitions from a conventional vertical optical path to a lateral optical path by introducing lateral wall portions with light incident surfaces and light exit surfaces. This dimensional change allows light to travel horizontally through the substrate rather than vertically, enabling other components to be mounted in the vertical space above the light-emitting element while maintaining the optical function. The lateral wall portions act as waveguides that redirect light from a vertical emission direction to a horizontal propagation direction.
2Volume of moving object
If the distance from the light-emitting element is reduced to enable other components to be mounted, then the device becomes more compact, but the mounting flexibility is restricted due to the fixed structure
Solution Approach 1:
The substrate is segmented into multiple functional regions: a light-emitting element mounting region, lateral wall portions serving as optical waveguides, and a light-receiving component mounting region. This segmentation allows different components to be mounted at different locations (vertical stacking) while the lateral wall portions guide light between these separated regions. The segmentation enables compact vertical integration while maintaining optical functionality through the lateral waveguide structure.
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 flexibility in mounting other components by reducing the distance from the light-emitting element, enabling more efficient packaging and potentially improving the device's compactness and performance.
Implementation Method 1
a first lateral wall portion having a light incident surface configured to receive a light emitted from the light-emitting element and traveling in a first direction and a light exit surface configured to emit the light
Data Source
AI summary
A light-emitting device includes a light-emitting element, a substrate supporting the light-emitting element, and one or more lateral wall portions joined to the substrate to surround the light-emitting element. The one or more lateral wall portions includes a first lateral wall portion having a light incident surface configured to receive a light emitted from the light-emitting element and traveling in a first direction and a light exit surface configured to emit the light. The substrate has a joint surface joined to the first lateral wall portion and a lateral surface meeting the joint surface. The lateral surface is located between the light incident surface and the light exit surface in a top view as viewed in a direction perpendicular to the joint surface.