Downlight With Truncated Cone Surface Ring For Multi-Angle Emission
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Solution Overview
Problem
Conventional downlights emit light only from a single angle, limiting their ability to create varied lighting effects and atmospheres.
Innovation Solution
A downlight design featuring a transparent surface ring with a truncated cone structure and a ring-shaped panel that supports an aluminum substrate, allowing light to be emitted at multiple angles through a diffusing cover, and incorporating main and ambient LEDs with a reflective plate for enhanced illumination control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional downlights emit light only from central parts, then the structure is simple, but the lighting effect is limited to single angle
Solution Approach 1:
The downlight is divided into multiple functional zones: central downlighting area and peripheral ambient lighting area. The light source plate is segmented with different LED arrangements - main illuminating LEDs in the center and ambient illuminating LEDs in an outer ring, enabling multi-angle light emission while maintaining a relatively simple overall structure
Solution Approach 2:
The patent transitions from single-direction (downward) lighting to multi-directional lighting by adding peripheral LEDs that emit light at angles. The surface ring structure with truncated cone shape guides light from the peripheral LEDs to emit both downward and at angled directions, achieving three-dimensional lighting coverage
2Adaptability or versatility
If multiple downlights are installed to create warm feeling, then the atmosphere is improved, but the crowdedness increases
Solution Approach 1:
Each downlight unit becomes multi-functional, providing both central downlighting and peripheral ambient lighting. This allows a single fixture to achieve what previously required multiple separate fixtures, reducing the number of installations needed on the ceiling while maintaining versatile lighting effects
3Temperature
If light source components are arranged on aluminum substrate, then the heat dissipation is improved, but the light emission angle is limited
Solution Approach 1:
The surface ring acts as an intermediary optical element between the light source components and the final light output. It receives light from both central and peripheral LEDs, guides and redirects the light paths, enabling the peripheral LEDs to emit light at multiple angles while the aluminum substrate continues to provide effective heat dissipation
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
Enables light emission at new angles, improving the light emission effect and allowing for various ambient illumination modes, enhancing user experience by creating different atmospheres.
Implementation Method 1
a light diffusing cover, mounted on a bottom of the surface ring for transmitting light emitted from the light source components
Implementation Method 2
a reflective plate, which is positioned between the surface ring and the light diffusing cover, for isolating illumination areas of the main illuminating LEDs from illumination areas of the ambient illuminating LEDs
Data Source
AI summary
A downlight, comprising: a back cover; light source components, provided on an aluminum substrate; a surface ring, which is a transparent supporting component and supports the aluminum substrate so that the aluminum substrate can be fixed to the back cover, and is fastened to the back cover; a light diffusing cover, mounted on a bottom of the surface ring for transmitting light emitted from the light source components. In the downlight of the present disclosure, light is transmitted to a ring-shaped panel of the surface ring through a truncated cone structure of the surface ring, and is then transmitted out of the ring-shaped panel, to achieve light emission with a new angle, solving the problem that in conventional downlights, light can only be emitted from a single angle. The present disclosure improves the angle of light emission from the light source while also improving its light emission effect.