Optical Lens Branches Eliminate LED Glare
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Solution Overview
Problem
LEDs used in outdoor lighting equipment tend to cause glare due to directional light emission, and existing designs fail to effectively distribute light energy across multiple surfaces, leading to inefficient illumination.
Innovation Solution
An optical lens with a light incident portion and guiding branches that disperses light into multiple spots, controlling the emitting axial direction and light shape to eliminate glare and achieve even light distribution, integrated with a light source module containing LED units.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If LED is used as a directional light source, then light emitting efficiency is improved, but glare is caused due to concentration of light energy at a point
Solution Approach 1:
The optical lens is divided into multiple light guiding branches (first, second, third branches) that separately guide light to different regions. Each branch has specific light incident surfaces and light emitting surfaces that direct light to predetermined areas, segmenting the light path to distribute energy across multiple surfaces rather than concentrating it at a single point, thereby reducing glare while maintaining efficiency
Solution Approach 2:
The patent transitions from one-dimensional directional light emission to multi-dimensional light distribution by creating light guiding branches that extend in different directions (first, second, and third extending directions). This three-dimensional branching structure enables light to be distributed across multiple surfaces and angles, transforming the harmful concentrated point source into a distributed illumination pattern that reduces glare
2Loss of energy
If LED is applied to existing outdoor lighting equipment, then energy distribution limitation is exposed, but light cannot be effectively distributed to multiple surfaces
Solution Approach 1:
The optical lens structure segments the light path into multiple independent guiding branches, each responsible for directing light to specific regions. This segmentation enables the system to distribute light energy to multiple surfaces simultaneously, overcoming the inherent limitation of single-point LED emission and improving adaptability to various outdoor lighting applications
Solution Approach 2:
The optical lens is designed with multiple light guiding branches that can distribute light to different surfaces and angles, making it universally applicable to various outdoor lighting scenarios such as street lamps, area lighting, and boundary lighting. The multi-functional light distribution capability allows the same lens structure to adapt to different installation requirements and illumination needs
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
The solution effectively disperses light energy, reducing glare and achieving uniform light distribution suitable for outdoor applications like street lamps, by guiding light through a structured optical lens with specific surface configurations and branching designs.
Implementation Method 1
an optical lens including a light incident portion and a light guiding portion... the light guiding portion has a plurality of light guiding branches... the first light incident surface and the second light incident surfaces face the main light emitting surfaces of the light guiding branches
Data Source
AI summary
An optical lens and a light source module are provided. The optical lens includes a light incident portion and a light guiding portion. The light incident portion includes two back optical surfaces, a first light incident surface, and two second light incident surfaces. The light guiding portion has a plurality of light guiding branches and the light guiding branches extend along different extending directions, wherein each of the light guiding branches has a main light emitting surface, and the first light incident surface and the second light incident surface face the main light emitting surfaces of the light guiding branches, respectively.