Modular Lighting Device with Integrated Optical Member
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Solution Overview
Problem
Existing lighting devices lack ease of replacement and assembly, high manufacturing costs, excessive weight, and the ability to provide both direct and indirect light efficiently.
Innovation Solution
A lighting device design featuring a housing, coupling member, reflector, light source unit, and optical member that transmits and reflects light, with a protective cover and connection terminals for easy assembly and replacement, utilizing materials like metallic and resin materials for efficient heat management and light distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional lighting devices use traditional light sources and structures, then they provide sufficient illumination, but they have high manufacturing costs, excessive weight, and difficulty in replacement and assembly
Solution Approach 1:
The lighting device is divided into modular components: a light source unit with LED module that can be independently replaced, a housing with coupling members for easy assembly/disassembly, and separate optical members. This segmentation allows the light source unit to be quickly replaced without replacing the entire device, improving ease of replacement while maintaining manufacturing efficiency.
Solution Approach 2:
The coupling members are designed with universal features that allow the light source unit to be easily coupled to different housing configurations. The standardized coupling mechanism provides multi-functional capability for assembly, disassembly, and replacement operations, reducing manufacturing complexity while improving ease of maintenance.
2Productivity
If conventional lighting devices use traditional structures, then they provide direct lighting, but they lack indirect lighting capability and have poor light efficiency
Solution Approach 1:
The patent combines direct and indirect lighting functions into a single integrated structure. The housing includes both a light-emitting surface for direct lighting and a reflective interior surface that redirects light for indirect illumination. The optical members (lens, diffusion sheet, phosphor luminescent film) are integrated into the housing structure, merging multiple lighting functions without requiring separate lighting systems.
Solution Approach 2:
The housing serves multiple functions simultaneously: it provides structural support, contains the reflective surface for indirect lighting, incorporates the light-emitting surface for direct lighting, and integrates optical members for light modification. This multi-functionality improves light efficiency while avoiding the complexity of separate lighting systems.
3Reliability
If the lighting device uses integrated optical members and protective covers, then it provides improved light distribution and protection, but it increases manufacturing complexity
Solution Approach 1:
The optical members (lens, diffusion sheet, phosphor luminescent film) and protective cover are integrated into a single assembled unit that attaches to the housing as one component. This merging of functions into a modular assembly improves light distribution quality while simplifying manufacturing by allowing each component to be produced separately and then assembled, reducing overall manufacturing complexity.
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 allows for easy replacement and assembly, reduces manufacturing costs and weight, and provides improved light efficiency by offering both direct and indirect lighting.
Implementation Method 1
The optical member transmits a part of light emitted from the light source unit
Implementation Method 2
the optical member reflects the other part of the light to the reflector
Implementation Method 3
The first surface may transmit and reflect the light emitted from the light source unit
Implementation Method 4
The first surface may transmit and reflect the light emitted from the light source unit
Implementation Method 5
The second surface may transmit the light reflected from the first surface
Implementation Method 6
The optical member and the protective cover may include at least one of a lens, a diffusion sheet and a phosphor luminescent film (PLF)
Data Source
AI summary
A lighting device may be provided that comprises a housing including an inner surface; a light source unit comprising a body disposed under the housing and a light emitting module disposed under the body; and a reflector disposed between the housing and the body, wherein the body comprises a top surface disposed under the inner surface of the housing and a bottom surface, and wherein the light emitting module is disposed on the bottom surface.