Asymmetric Light Distribution Plate for Workspace Illumination
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional floor lamps inadequately illuminate workspaces, particularly distant areas, and often direct light to unintended regions, reducing efficiency and uniformity of illumination.
Innovation Solution
A floor lamp arrangement featuring a luminous element with a light distribution plate and obliquely aligned deflection structure, where illuminants are positioned along edge surfaces to redirect light asymmetrically, ensuring more focused and uniform illumination across a workspace.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If conventional floor lamps use a simple light source and light distribution plate arrangement, then the device complexity is low, but the illumination uniformity and completeness of the workspace is insufficient
Solution Approach 1:
The light distribution plate is divided into multiple regions with different deflection structures (first deflection structure for upward light, second deflection structure for downward light). This segmentation allows each region to independently control light direction, achieving uniform illumination across the workspace without requiring a completely complex device design.
Solution Approach 2:
Different regions of the light distribution plate are assigned different optical properties and deflection structures. The first region has structures optimized for upward light redirection while the second region has structures for downward light redirection. This local differentiation enables precise control of illumination uniformity in different workspace areas.
2Illumination intensity
If conventional floor lamps redirect light vertically to illuminate workspaces, then the illumination of nearby areas is improved, but distant areas of the workspace remain insufficiently illuminated
Solution Approach 1:
The patent transitions from conventional single-direction (vertical) light redirection to multi-directional light distribution by incorporating both upward and downward deflection structures. This dimensional expansion of light distribution enables comprehensive illumination of the entire workspace, including distant areas that would otherwise remain in shadow.
3Use of energy by moving object
If conventional floor lamps emit light in multiple directions including indirect light to ceiling, then the overall light output is high, but light is wasted on areas not used for intended lighting reducing efficiency
Solution Approach 1:
The patent extracts and separates the upward-directed indirect light component from the overall light distribution using the first deflection structure. By isolating this component and redirecting it through specific optical paths, the system ensures that previously wasted light energy contributing to ceiling illumination is now effectively utilized for workspace illumination, thereby improving lighting efficiency.
Solution Approach 2:
The patent converts what was previously harmful waste (light lost to ceiling and non-work areas) into a beneficial resource by using the first deflection structure to redirect upward-emitted light back onto the workspace. This transforms energy waste into useful illumination, directly improving lighting efficiency.
4Adaptability or versatility
If conventional floor lamps use a single light distribution plate configuration, then the device complexity is low, but the adaptability to different workspace illumination requirements is limited
Solution Approach 1:
The light distribution plate is designed with multi-functional deflection structures that can simultaneously perform multiple functions: the first deflection structure handles upward light redirection while the second deflection structure handles downward light redirection. This multi-functionality within a single integrated component provides adaptability to different workspace illumination requirements without significantly increasing device 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 solution achieves efficient, uniform, and complete illumination of workspaces by redirecting light asymmetrically, minimizing illumination of non-essential areas and adhering to normative lighting standards.
Implementation Method 1
The light distribution plate comprises a deflection structure with which the light emitted by the first illuminant and radiated into the light distribution plate through the first edge surface can be redirected so that it is emitted through the surface or the lower surface
Implementation Method 2
The deflection structure of the light distribution plate is aligned obliquely to a first main emission direction of the first illuminant
Data Source
Figure 1
Figure 2~3
Figure 4~5
AI summary
A luminaire (1) comprises a first light source (31) and a light distribution plate (2). The light distribution plate (2) has a surface (21), a base surface (24), and edge surfaces (22) connecting the surface (21) to the base surface (24). The first light source (31) is associated with one of the edge surfaces (22) such that light emitted by the first light source (31) can be directed through the first edge surface (22) into the light distribution plate (2). The light distribution plate (2) comprises a deflection structure (23) by which the light emitted by the first light source (31) and directed through the first edge surface (22) into the light distribution plate (2) can be redirected so that it is emitted through the surface (21) or the base surface (24) of the light distribution plate (2). The deflection structure (23) is oriented obliquely to a first main emission direction (313) of the first light source (31).According to the invention, this achieves the effect that the light is emitted asymmetrically from the luminaire (1).