Light Device Generating Beam Pattern Images via Segmented Arrays

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Solution Overview

Problem

Existing automotive lighting systems are limited in their ability to generate varied beam patterns and message transmission due to fixed light images and increased lens structure complexity for optical efficiency.

Innovation Solution

A light device with a simple structure comprising a light source array, shield array, and multiple lens arrays that project various beam pattern images by using individually controllable fine light emitters and shields with differently shaped holes, and a rotating housing to change light patterns.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of information

If fixed images are turned on to transmit messages through lamps, then message transmission is achieved, but the volume including lens structure is excessively increased

Engineering Contradiction:
Improvemessage transmission capabilityVSAvoidlens structure volume
Core Design Contradiction:
Loss of informationVSVolume of moving object

Solution Approach 1:

The patent segments the light source into multiple fine light emitters arranged in an array, and segments the optical control into shields with different hole patterns. This segmentation allows different beam patterns to be generated by controlling combinations of individual emitters and shield configurations, eliminating the need for large-volume fixed lens structures for each pattern.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent employs dynamically controllable fine light emitters that can be individually turned on or off, and shields that can be selectively positioned or configured. This dynamic control enables the system to generate various beam patterns on demand without requiring physical lens structures for each pattern, thereby reducing overall volume.

Inventive Principle:
Principle #15Dynamics

2Loss of energy

If lens structures are added to secure optical efficiency in radiation of images, then optical efficiency is improved, but device complexity is excessively increased

Engineering Contradiction:
Improveoptical efficiencyVSAvoidlens structure complexity
Core Design Contradiction:
Loss of energyVSDevice complexity

Solution Approach 1:

The patent extracts the optical pattern-forming function from complex lens structures and transfers it to simpler shield components with precisely positioned holes. The shields are positioned close to the light source array, allowing direct projection of beam patterns without requiring complex intermediate lens systems, thus maintaining optical efficiency while reducing device complexity.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent introduces shields as intermediary components between the light source array and the external environment. These shields with strategically positioned holes act as mediators that directly shape the light beams without requiring complex lens structures, simplifying the optical system while maintaining control over beam patterns and optical efficiency.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Adaptability or versatility

If multiple lens arrays are used to generate varied beam patterns, then beam pattern versatility is improved, but device complexity is increased

Engineering Contradiction:
Improvebeam pattern varietyVSAvoidoptical structure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent uses dynamically controllable fine light emitters arranged in arrays that can be selectively activated in different combinations. By controlling which emitters are on and which shields are positioned where, a wide variety of beam patterns can be generated without requiring multiple fixed lens arrays, thus achieving versatility with reduced complexity.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent achieves beam pattern versatility by changing parameters such as which fine light emitters are activated, the positioning of shields with different hole patterns, and the intensity distribution across the emitter array. These parameter changes enable multiple beam patterns to be generated from a single configurable system rather than requiring multiple fixed optical structures.

Inventive Principle:
Principle #35Parameter changes

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

Enables the generation of multiple beam pattern images with increased optical efficiency and reduced size, allowing for varied light patterns and message transmission while minimizing light loss.

Implementation Method 1

a first lens array disposed between the light source array and the shield array and configured to change the light emitted from the fine light emitters into parallel light

Methodology Applied
Scientific EffectRefraction: Refraction

Implementation Method 2

a second lens array disposed between the first lens array and the shield array and configured to converge the light that has passed through the first lens array

Methodology Applied
Scientific EffectRefraction: Refraction

Implementation Method 3

a third lens array disposed opposite the second lens array with the shield array therebetween and sending light, which has passed through the shield array, to the outside

Methodology Applied
Scientific EffectRefraction: Refraction

Data Source

PatentUS11441752B2Light device for generating plurality of beam pattern images
Publication Date: 2022.09.13 HYUNDAI MOTOR CO LTD
  • US11441752B2 patent drawing
  • US11441752B2 patent drawing
  • US11441752B2 patent drawing

AI summary

A light device is configured to generate a plurality of beam pattern images in which various images of light emitted from a plurality of fine light emitters are projected through fine lenses and shields, whereby various images of light are projected in accordance with whether the fine light emitters are turned on. Further, a light source array, a shield array, and a lens array are each formed in a plate shape, so the size decreases and the structure is simplified.