LED Lighting Apparatus Uniform Illumination Acrylic Structure
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Solution Overview
Problem
Conventional LED lighting systems on wall structures suffer from non-uniform light distribution, leading to brightness variations and reduced visibility, especially at longer distances, due to the use of arms and fixed light sources, which also increase installation costs.
Innovation Solution
An LED lighting apparatus with a power source, LED, lens, and acrylic structure that diffuses light uniformly across a wall surface without arms, using a combination of diffusion and transparent acrylic plates to ensure even illumination, with adjustable distances between components to optimize light distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If conventional LED lighting systems use arms and fixed light sources to illuminate wall structures, then the light source can be positioned to cover large areas, but the light distribution becomes non-uniform with brightness variations and reduced visibility at longer distances
Solution Approach 1:
The acrylic structure is divided into multiple sections with different optical properties: a first acrylic structure with diffuse transmission near the LED and a second acrylic structure with transparent transmission farther away. This segmentation allows different parts of the system to perform specialized functions - the diffuse portion creates uniform illumination near the source while the transparent portion maintains brightness at longer distances, resolving the contradiction between coverage area and uniformity
Solution Approach 2:
Different regions of the acrylic structure are assigned different optical qualities based on their functional requirements. The first acrylic structure uses diffuse transmission to create uniform illumination in the near field, while the second acrylic structure uses transparent transmission to preserve light intensity in the far field. This local differentiation of optical properties enables the system to achieve both uniform distribution and adequate brightness across the entire illuminated area
2Illumination intensity
If multiple light sources or extended arms are installed to achieve uniform light distribution, then illumination uniformity improves, but installation cost increases
Solution Approach 1:
The invention extracts the arm/support structures from the conventional LED lighting system and replaces them with a self-contained acrylic optical structure that integrates directly with the LED module. This elimination of separate mechanical support components simplifies the overall system, reduces installation complexity and cost, while the engineered acrylic structure maintains uniform light distribution through its internal optical design rather than relying on extended physical arms
Solution Approach 2:
The system uses composite acrylic structures with different transmission properties (diffuse and transparent portions) to achieve uniform light distribution using a single integrated module rather than multiple separate light sources or complex mechanical arms. This composite optical approach provides the uniformity function that previously required multiple components, thereby reducing installation cost while maintaining illumination quality
3Illumination intensity
If the distance between the LED and acrylic structure is increased to reduce brightness variation, then uniformity improves, but light intensity at longer distances decreases
Solution Approach 1:
The optical system dynamically adapts light distribution through the spatial arrangement of different acrylic structures. The first acrylic structure with diffuse transmission is positioned close to the LED to handle near-field illumination and create uniformity, while the second acrylic structure with transparent transmission is positioned farther away to handle far-field illumination. This dynamic spatial distribution of optical functions allows the system to maintain both uniformity and adequate distance without compromising light intensity
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 provides uniform illuminance and high visibility across the entire wall surface, reducing installation costs and eliminating the need for multiple units or supports, while maintaining a slim and aesthetically pleasing design.
Implementation Method 1
the light emitted from an LED passes through a lens and the acrylic structure, sequentially, the light emitted onto the wall structure, which is at a close distance to the LED, is diffusedly distributed
Implementation Method 2
the transparent acrylic plate is located under the light at the longest distance from the LED, thereby achieving more beautiful uniform light
Data Source
AI summary
The present invention relates to an LED lighting apparatus with uniform-emitting performance on a wall structure, including: a power part (10) for supplying a power source; a light source part (20) having an LED (21), a PCB (23) for mounting the LED (21) thereon, and a lens (25) located on bottom of the LED (21); an acrylic structure (30) spaced apart from the lens 25 by a given distance to pass the light emitted from the LED (21) therethrough; a fixing part (40) for fixing the power part (10), the light source part (20), and the acrylic structure (30); an aluminum body case (50) for covering the light source part (20); an aluminum fixing case (60) coupled to the aluminum body case (50) in such a manner as to be fastened to the wall structure; and a column (70) for supporting the aluminum fixing case (60) and the fixing part (40).