LED Strip Corner Guide Track for Symmetrical Inside-Corner Lighting
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Solution Overview
Problem
Light strips, such as LED strips, often create unlit or asymmetrically illuminated inside corners when placed in furniture due to undefined placement, leading to shadowing and inconsistent lighting patterns.
Innovation Solution
A corner deflection element with angled track legs and a corner deflection track section that guides the light strip to maintain consistent illumination, using hooks and/or adhesive to secure the strip in place, ensuring the light-emitting side faces outward.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If two separate light strips are installed in inside corners with a connector, then the light strip can be electrically connected, but the assembly complexity increases and the lighting continuity is interrupted
Solution Approach 1:
The patent merges the corner deflection function and the electrical connection function into a single integrated corner deflection element. The light strip passes continuously through the element, which provides both mechanical guidance via track legs and electrical connection via integrated contact points, eliminating the need for separate connectors and ensuring uninterrupted lighting.
Solution Approach 2:
The corner deflection element acts as an intermediary component that mediates between the light strip and the inside corner structure. It provides a guided path for the light strip while simultaneously ensuring electrical connection, thus resolving the contradiction between simplicity and reliability.
2Ease of operation
If the light strip is placed freely in inside corners, then the installation is simple, but the lighting becomes asymmetric and creates shadowing
Solution Approach 1:
The corner deflection element is designed with self-aligning features where the track legs automatically guide the light strip into the correct orientation. The light strip's own rigidity and the track geometry work together to ensure the light-emitting side faces outward, eliminating the need for complex alignment procedures while guaranteeing symmetric lighting.
Solution Approach 2:
The patent changes the geometric parameters of the guide track, specifically the angle between track legs (45°-135°) and the transverse slope of the corner deflection section, to optimize the light strip's orientation. These parameter adjustments ensure that the light strip naturally assumes the correct position for symmetric illumination while maintaining installation simplicity.
3Manufacturing precision
If the corner deflection track section has a high transverse slope, then the light strip orientation is controlled precisely, but the manufacturing complexity increases
Solution Approach 1:
The patent specifies optimal parameter ranges for the transverse slope (80°-90°) and track leg angles (45°-135°) that balance manufacturing precision with ease of manufacture. These parameters are chosen to achieve precise light strip orientation control while remaining feasible for standard manufacturing processes like injection molding.
Data Source
Figure 1a~1c
Figure 2a~2b
Figure 3a~3c
AI summary
A corner deflection element (1) according to the invention for a lighting strip (15) comprises a lower side, which forms a flat base surface (2), and an in particular strip-shaped guide track (3) on an upper side for the lighting strip (15), which has two track legs (4), which are angled relative to the flat base surface (2) at an angle (α) between approximately 45° and approximately 135°, in particular at approximately 90°, and a corner deflection track section (5), located between the two track legs (4), which stands upright above the two track legs (4), wherein an outwardly downward sloping transverse inclination of the corner deflection track section (5) relative to the flat base surface (2) is greater than an outwardly downward sloping transverse inclination of the two track legs (4).