Vehicle Lamp Integrating Low and High Beam Patterns

Solution Overview

Problem

Existing vehicle lamps require separate modules for low and high beam patterns, leading to inefficiencies in space utilization and increased manufacturing costs due to the need for distinct installations and components.

Innovation Solution

A vehicle lamp design that integrates both low and high beam patterns into a single module, utilizing a combination of light sources, reflectors, and a lens with an auxiliary beam pattern forming unit, where the light sources are arranged along arcs with varying curvatures and distances to form distinct beam patterns, and a heat dissipation unit to manage thermal issues.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If separate low beam module and high beam module are provided, then each module can be optimized for its specific function, but space utilization becomes inefficient and manufacturing cost increases

Engineering Contradiction:

Improvebeam pattern formationVSAvoidspace utilization

Core Design Contradiction:

ReliabilityVSArea of stationary object

Solution Approach 1:

The patent combines separate low beam and high beam modules into a single integrated headlamp assembly. The housing contains both beam forming units with their respective light sources, reflectors, and lenses arranged in a unified structure, eliminating the need for separate module installations and improving space utilization.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The integrated headlamp assembly performs multiple functions simultaneously - it can generate both low beam patterns and high beam patterns through its dual beam forming units. The single housing structure supports both beam types, making the system universal for different driving conditions.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Reliability

If separate low beam module and high beam module are provided, then each module can be optimized for its specific function, but manufacturing cost increases due to separate parts

Engineering Contradiction:

Improvebeam pattern formationVSAvoidmanufacturing cost

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The patent combines separate low beam and high beam modules into a single integrated headlamp assembly. The housing contains both beam forming units with their respective light sources, reflectors, and lenses arranged in a unified structure, eliminating the need for separate module installations and improving space utilization.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The integrated headlamp assembly performs multiple functions simultaneously - it can generate both low beam patterns and high beam patterns through its dual beam forming units. The single housing structure supports both beam types, making the system universal for different driving conditions.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Illumination intensity

If light sources are arranged along arcs with varying curvatures, then distinct beam patterns can be formed, but structural complexity increases

Engineering Contradiction:

Improvebeam pattern distinctionVSAvoidlight source arrangement

Core Design Contradiction:

Illumination intensityVSDevice complexity

Solution Approach 1:

The patent applies different curvature radii to different sections of the light source arrangement. The first light sources are arranged along an arc with a first curvature radius while the second light sources follow an arc with a second curvature radius. This local differentiation optimizes beam pattern formation for each light source type while maintaining overall structural coherence.

Inventive Principle:

Principle #3Local quality

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 integrated design enhances space utilization and reduces manufacturing costs while maintaining effective illumination for both near and far field views, ensuring safe driving conditions.

Implementation Method 1

a first reflector including a plurality of first reflection units corresponding to the plurality of first light sources and for reflecting the first light

Methodology Applied

Scientific EffectReflection: Reflection

Implementation Method 2

a second reflector including a plurality of second reflection units corresponding to the plurality of second light sources and for reflecting the second light

Methodology Applied

Scientific EffectReflection: Reflection

Implementation Method 3

a lens that transmits the first light and the second light reflected by the first reflector and the second reflector

Methodology Applied

Scientific EffectRefraction: Refraction

Data Source

PatentUS11892139B2Vehicle lamp

Publication Date: 2024.02.06 SL CORP

AI summary

A lamp for a vehicle includes a first light source unit including a plurality of first light sources and for irradiating a first light that forms a first beam pattern, a second light source unit including a plurality of second light sources and for irradiating a second light that forms a second beam pattern, a first reflector including a plurality of first reflection units corresponding to the plurality of first light sources and for reflecting the first light, and a second reflector including a plurality of second reflection units corresponding to the plurality of second light sources and for reflecting the second light. In particular, the plurality of first light sources are disposed along an arc having a first curvature, and the plurality of second light sources are disposed along an arc having a second curvature, the second curvature is greater than the first curvature.