Grooved Surface Light Reflection Control

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Solution Overview

Problem

Existing light reflection technologies lack the ability to effectively control and direct light reflection, particularly in situations where mechanical repositioning of reflective materials is necessary, and existing materials like glass mirrors are not suitable for all environments due to fragility.

Innovation Solution

An apparatus with grooved surfaces, where the grooves on one surface differ in angular shape, size, orientation, or density from those on another surface, allowing independent light reflection as the orientation of the surfaces or light source changes, enabling controlled light reflection patterns without the need for mechanical repositioning.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Illumination intensity

If glass mirrors or highly reflective materials are used to achieve strong light reflection, then light reflectivity is improved, but the material becomes fragile and susceptible to breaking

Engineering Contradiction:

Improvelight reflectivityVSAvoidmaterial durability

Core Design Contradiction:

Illumination intensityVSReliability

Solution Approach 1:

The patent changes the surface geometry parameters by introducing grooves with specific angular shapes, sizes, orientations, and densities. These parameter modifications enable the surface to control light reflection directionality while using durable materials like metal or plastic instead of fragile glass, thus maintaining high reflectivity without sacrificing durability.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The invention uses composite structures combining grooved surface patterns with reflective materials. The grooves create optical path differences that enhance directional reflection, while the underlying material provides structural durability. This composite approach allows replacement of fragile glass mirrors with more durable materials that maintain or improve reflective performance.

Inventive Principle:

Principle #40Composite materials

2Shape

If mirrors or reflective materials are positioned at desired angles to control light reflection direction, then light directionality is improved, but mechanical devices such as mounts and actuators are required for repositioning

Engineering Contradiction:

Improvelight reflection directionVSAvoidmechanical repositioning devices

Core Design Contradiction:

ShapeVSDevice complexity

Solution Approach 1:

The patent creates dynamic light reflection patterns through static grooved surfaces by exploiting the angular relationships between grooves on different surfaces. The independent reflection from grooves with different angular orientations naturally produces varying reflection patterns as light source or surface orientation changes, eliminating the need for mechanical repositioning devices while achieving dynamic visual effects.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The invention replaces mechanical repositioning systems with optical geometry. Instead of moving mirrors or reflective surfaces to change reflection direction, the patent uses the angular configuration of grooves to inherently direct light in specific directions. This substitution eliminates mounts, actuators, and other mechanical devices while achieving the same light control function.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Adaptability or versatility

If grooves with different angular shapes, sizes, orientations, or densities are used on different surfaces, then independent light reflection control is improved, but manufacturing complexity increases

Engineering Contradiction:

Improvelight reflection controlVSAvoidsurface fabrication

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The patent divides the surface into multiple groove structures with different angular characteristics. Each groove or group of grooves acts as an independent light reflection element with specific angular properties. This segmentation allows different regions of the surface to control light reflection independently, achieving versatile light directionality while using standardized groove fabrication processes.

Inventive Principle:

Principle #1Segmentation

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

This solution allows for dynamic and controlled light reflection patterns, creating various illumination effects and animations, suitable for decorative, safety, and communication applications, while using durable materials that can replace fragile glass mirrors.

Implementation Method 1

the quantity of grooves in the first surface reflects the emitted light independently of the quantity of grooves in the second surface

Methodology Applied

Scientific EffectLight reflection: Reflection

Data Source

PatentUS11719414B2Apparatus, system, and related methods for light reflection with grooved surfaces

Publication Date: 2023.08.08 SABETI ARRAM

AI summary

An apparatus, system, and related methods for light reflection with grooved surfaces are provided. The light reflection apparatus with grooved surfaces has a first surface with a quantity of grooves therein. A second surface has a quantity of grooves therein. The grooves in the second surface have a different angular shape, different size, different angular orientation, or a different unit density than the grooves in the first surface. At least one light source emits light on the first and second surfaces. As a direction of the emitted light changes relative to the first and second surfaces, the quantity of grooves in the first or second surface reflect the light independently of one another.