Dual-Zone LED Downlight With Light-Transmitting Hollow Ring
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Solution Overview
Problem
Existing LED downlights primarily focus on front lighting for main illumination, neglecting the creation of a cozy atmosphere and diverse lighting effects, especially when used as night lights.
Innovation Solution
A downlight design comprising a back cover, LED light panel, hollow ring, and diffuser panel, with light-transmitting sidewalls and a two-layer hollow ring structure, allowing for dual glowing rings and separate night and main light lamp beads, along with a reflector cup for focused light guidance, enhancing installation stability and aesthetic appeal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If LED downlights use front lighting for main illumination, then illumination intensity is improved, but the ability to create cozy atmosphere and diverse lighting effects deteriorates
Solution Approach 1:
The LED light panel is segmented into two distinct functional zones: night light lamp beads arranged in a ring pattern for atmospheric lighting, and main light lamp beads for primary illumination. This segmentation allows each zone to perform its specific function independently, resolving the contradiction between providing strong main illumination and creating diverse lighting effects.
Solution Approach 2:
Different regions of the LED light panel are assigned different optical properties and functions. The central region contains main light lamp beads for bright illumination, while the peripheral ring region contains night light lamp beads for soft atmospheric lighting. This local differentiation enables the system to simultaneously achieve high illumination intensity and diverse lighting effects.
2Device complexity
If a single light source is used, then device complexity is reduced, but lighting versatility and atmospheric effects deteriorate
Solution Approach 1:
Two distinct lighting functions (main illumination and night lighting) are merged into a single integrated LED light panel. The panel contains both night light lamp beads and main light lamp beads that work together within one unified structure, eliminating the need for separate lighting devices while providing diverse lighting modes.
Solution Approach 2:
The LED light panel is designed as a universal component that performs multiple lighting functions simultaneously. It provides both bright main illumination for daytime use and soft night lighting for nighttime ambiance, allowing a single device to adapt to different lighting needs and time periods without requiring separate fixtures.
3Shape
If light-transmitting material is used for hollow ring sidewalls, then aesthetic appeal and glowing ring effect are improved, but structural strength deteriorates
Solution Approach 1:
The hollow ring is constructed using composite material structure combining light-transmitting materials for the sidewalls to achieve the glowing ring effect, while maintaining sufficient structural strength through proper material selection and design. The composite approach allows simultaneous achievement of aesthetic optical properties and mechanical strength requirements.
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 design provides balanced, uniform, and comfortable illumination with multiple lighting effects, improving weld efficiency, reducing glare, and ensuring structural stability while meeting diverse lighting needs and aesthetic preferences.
Implementation Method 1
an inner sidewall of the hollow ring extends along an axis of the hollow ring, and the inner sidewall is made of light-transmitting material, allowing light from the LED light panel to pass through
Implementation Method 2
the diffuser panel is disposed at a hollow of the hollow ring
Implementation Method 3
a reflector cup is disposed between the LED light panel and the hollow ring
Data Source
AI summary
A downlight comprising a back cover, a LED light panel, a hollow ring, and a diffuser panel is provided. A bottom and a sidewall of the back cover constitute an accommodation space. An end of the sidewall away from the bottom has an opening. The LED light panel is disposed at the bottom of the back cover. The hollow ring is disposed at the opening of the back cover. An inner sidewall of the hollow ring extends along an axis of the hollow ring, and is made of light-transmitting material, allowing light from the LED light panel to pass through. The diffuser panel is disposed at a hollow of the hollow ring. The downlight of the present disclosure can present one or two glowing rings, and the hollow ring can either emit light from the entire surface or just from the two sidewalls, meeting different lighting needs and aesthetic preferences.