Lampshade Light Guide Structures for Glare Reduction
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Solution Overview
Problem
Current lamp designs often fail to effectively utilize light sources due to glare and monotonous visual effects, as they rely on printed patterns on the lampshade rather than manipulating light paths for aesthetic and functional improvements.
Innovation Solution
A lampshade structure featuring a light guide plate with varying thicknesses and optical coatings that refract, absorb, or diffuse light, changing its direction and intensity to produce gradient effects and reduce glare, while allowing different visual effects at various viewing angles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If printed patterns or colors are applied on the outer surface of the lampshade, then visual appearance is enhanced, but light utilization efficiency deteriorates
Solution Approach 1:
A light guide plate is introduced as an intermediary component between the light source and lampshade body. The light guide plate with varying thickness and refractive index redirects light paths, allowing the lampshade to achieve visual effects through light manipulation rather than surface printing, thus improving light utilization efficiency while maintaining aesthetic appearance
Solution Approach 2:
The lampshade employs varying thickness parameters of the light guide plate (from thin central region to thick peripheral region) and varying refractive index parameters to control light propagation. This parameter variation creates gradient light effects and visual appeal without requiring printed patterns, thereby improving both appearance and light efficiency
2Ease of manufacture
If uniform thickness lampshade is used, then manufacturing is simplified, but visual effects and glare reduction are insufficient
Solution Approach 1:
The light guide plate is designed with local quality variations - the central region has smaller thickness and different refractive index compared to the peripheral region. This local differentiation creates specific light refraction patterns and visual effects that uniform thickness cannot achieve, while still maintaining relatively simple manufacturing processes
3Device complexity
If light source is placed close to lampshade, then structure is compact, but glare increases
Solution Approach 1:
The light guide plate serves as a mediator between the light source and lampshade body, effectively separating their positions. It redirects light from the compact light source position through refraction at varying thickness interfaces, reducing direct glare while maintaining structural compactness
Solution Approach 2:
The invention addresses glare by introducing a new spatial dimension - the light guide plate extends in the light propagation direction with varying thickness. This dimensional approach allows light redistribution in multiple directions, reducing concentrated glare while keeping the overall structure compact
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 reduces glare and enhances visual appeal by creating gradient light and shadow effects, offering a more dynamic and colorful appearance that changes with viewing angles, and can be made from materials like glass for improved transparency and texture.
Implementation Method 1
Each of the light guide structures has a central thickness and a peripheral thickness, and the central thickness is less than the peripheral thickness... due to differences in light absorptions and transmittances of the body at different thicknesses, a gradual light and shadow and different shades or colors of the light source can be produced when the light travels through the lampshade structure
Implementation Method 2
due to differences in light absorptions and transmittances of the body at different thicknesses, a gradual light and shadow and different shades or colors of the light source can be produced when the light travels through the lampshade structure
Implementation Method 3
The light guide structures are disposed on the inner concave surface and/or the outer surface... when light travels through the light guide structure, the light guide structure can change the traveling direction of the light, thereby avoiding glare
Data Source
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AI summary
A lampshade structure and a lamp. The lampshade structure includes a body (110) and a plurality of light guide structures (120). The body (100) has an inner concave surface (111) and an outer surface (112) opposite to the inner concave surface (111). The light guide structures (120) are disposed on the inner concave surface (111) and/or the outer surface (112). Each of the light guide structures (120) has a central thickness (T1) and a peripheral thickness (T2), and the central thickness (T1) is less than the peripheral thickness (T2).