Arc-Shaped Illumination Glass Assembly for Uniform Angled Lighting

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Solution Overview

Problem

Traditional illumination glass assemblies face challenges in achieving uniform illumination, diversified lighting effects, and efficient light utilization, particularly in vehicle windows, leading to increased production costs and limited market competitiveness.

Innovation Solution

An illumination unit comprising a light source with arc-shaped light emitting modules and a corresponding arc-shaped light guiding component, which directs incident light at an angle through the glass body to enhance illumination range and uniformity, allowing for dynamic effects like twinkling and flashing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Area of stationary object

If multiple illumination modules are arranged in openings at corners of glass body, then illumination coverage is achieved, but illumination uniformity is difficult to control and diversified illumination effects are limited

Engineering Contradiction:

Improveillumination coverage areaVSAvoidillumination uniformity control

Core Design Contradiction:

Area of stationary objectVSManufacturing precision

Solution Approach 1:

The illumination system is segmented into multiple independently controllable light emitting modules arranged in an arc shape, each module can be controlled separately to achieve uniform overall illumination while maintaining design flexibility

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The system incorporates a control module that enables dynamic control of each light emitting module's output intensity and timing, allowing for diversified illumination effects such as sequential lighting, dimming patterns, and synchronized effects that were not achievable with static corner-mounted modules

Inventive Principle:

Principle #15Dynamics

2Illumination intensity

If traditional illumination modules are used in corner openings, then glass body illumination is achieved, but light utilization efficiency is low and production costs increase

Engineering Contradiction:

Improveglass body illuminationVSAvoidlight utilization efficiency

Core Design Contradiction:

Illumination intensityVSLoss of energy

Solution Approach 1:

The light guiding component is designed with an arc-shaped structure that matches the arc arrangement of light emitting modules, enabling efficient light guidance along the curved path and reducing light loss compared to traditional corner-mounted modules

Inventive Principle:

Principle #14Spheroidality (Curvature)

Solution Approach 2:

The patent integrates the light source, light guiding component, and control module into a unified illumination unit structure, improving overall light utilization efficiency by eliminating separate components and reducing light loss at interfaces

Inventive Principle:

Principle #5Merging (Combining)

3Illumination intensity

If arc-shaped light emitting modules with light guiding component are used, then illumination range and uniformity are improved, but device structure becomes more complex

Engineering Contradiction:

Improveillumination range and uniformityVSAvoidillumination unit structure

Core Design Contradiction:

Illumination intensityVSDevice complexity

Solution Approach 1:

The illumination unit is designed as a universal module that can be applied to various glass assemblies and window configurations, with the arc-shaped design providing both structural integrity and illumination functionality in a single integrated unit

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The light guiding component serves as an intermediary element that efficiently couples the arc-shaped light emitting modules to the glass body, simplifying the overall structure by providing a standardized interface between the light source and illumination target

Inventive Principle:

Principle #24Intermediary (Mediator)

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 provides improved illumination range and uniformity, reduces light loss, and enables dynamic lighting effects, enhancing user experience and market competitiveness while lowering production costs.

Implementation Method 1

the emitted incident light to be emitted through the light guiding component to present an angled irradiation range

Methodology Applied

Scientific EffectRefraction: Refraction

Implementation Method 2

the light guiding component comprises an incident surface attached to the plurality of light emitting modules and an exit surface

Methodology Applied

Scientific EffectTotal internal reflection: Total Internal Reflection

Data Source

PatentUS12546932B2Illumination unit, illumination glass assembly and window assembly

Publication Date: 2026.02.10 SAINT GOBAIN SEKURIT FRANCE

AI summary

An illumination unit includes a light source and a light guiding component, and the light source includes a plurality of light emitting modules distributed in an arc shape to make the emitted incident light to be emitted through the light guiding component to present an angled irradiation range. By providing a plurality of light emitting modules distributed in an arc shape and a corresponding matched light guiding component, the illumination unit can provide an illumination function to illuminate the space while providing a visually attractive illumination effect when being applied to an illumination glass, thus providing more feasibility for product structure design and functional design, and being widely applicable to various occasions.