Segmented Optoelectronic Component with Double-Sided Aspherical Lenses

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Solution Overview

Problem

Existing optoelectronic components with pixelated light sources face challenges in generating structured illumination patterns with high luminance and color homogeneity while maintaining compact dimensions, as they require complex optical elements and inefficient light emission due to the geometry mismatch between light emitters and target regions.

Innovation Solution

The optoelectronic component features a light emitter subdivided into segments with image points arranged in a two-dimensional matrix, paired with an optical element segmented into double-sided aspherical lenses, allowing for precise superposition of light in a target region, enabling adjustable color and high luminance with compact dimensions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Illumination intensity

If complex optical elements are used to generate structured illumination patterns, then illumination intensity and color homogeneity are improved, but device complexity and dimensions increase

Engineering Contradiction:

ImproveluminanceVSAvoidoptical element complexity

Core Design Contradiction:

Illumination intensityVSDevice complexity

Solution Approach 1:

The light emitter is divided into multiple segments, each containing multiple image points that can be independently controlled. This segmentation allows for simplified optical design while maintaining the ability to generate complex structured illumination patterns through selective activation of segments and image points.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Double-sided aspherical lenses are used instead of complex multi-element optical systems. The aspherical surfaces enable precise light focusing and geometry adaptation with fewer components, reducing overall device complexity while achieving high luminance and color homogeneity in the target region.

Inventive Principle:

Principle #14Spheroidality (Curvature)

2Productivity

If complex optical elements are used to adapt light geometry, then light emission efficiency is improved, but device dimensions increase

Engineering Contradiction:

Improvelight emission efficiencyVSAvoiddevice dimensions

Core Design Contradiction:

ProductivityVSVolume of moving object

Solution Approach 1:

Double-sided aspherical lenses provide efficient light geometry adaptation with compact dimensions. The aspherical surfaces enable precise focusing and beam shaping in a single optical element, eliminating the need for multiple lenses or mirrors that would increase device volume.

Inventive Principle:

Principle #14Spheroidality (Curvature)

Solution Approach 2:

The optical system uses parameters of the aspherical lenses (curvature radii, thickness, material refractive index) to optimize light emission efficiency. By carefully selecting these parameters, high efficiency is achieved while maintaining compact device dimensions suitable for portable applications.

Inventive Principle:

Principle #35Parameter changes

3Illumination intensity

If segmented light emitters with multiple image points are used, then color homogeneity and luminance are improved, but device complexity increases

Engineering Contradiction:

Improvecolor homogeneityVSAvoidlight emitter structure

Core Design Contradiction:

Illumination intensityVSDevice complexity

Solution Approach 1:

The light emitter is segmented into multiple independent units, each containing multiple image points. This segmentation enables flexible control of light emission patterns and improves color homogeneity through selective activation, while the modular structure actually simplifies manufacturing and assembly compared to monolithic designs.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Each segment and image point is designed to be multi-functional, capable of contributing to different structured illumination patterns and color configurations. This universality reduces the need for specialized components for each function, thereby reducing overall device complexity while achieving superior color homogeneity and luminance.

Inventive Principle:

Principle #6Universality (Multi-functionality)

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 configuration enables the generation of structured light patterns with enhanced luminance and color homogeneity, allowing for efficient light emission and adjustment, while maintaining a compact form factor by utilizing double-sided aspherical lenses to adapt light geometry and simplify light pattern generation.

Implementation Method 1

an optical element configured to image light emitted by the light emitter into a target region

Methodology Applied

Scientific EffectRefraction: Refraction

Implementation Method 2

the segments of the optical element are respectively configured as double-sided aspherical lenses

Methodology Applied

Scientific EffectFocusing: Focusing

Data Source

PatentUS11233089B2Optoelectronic component

Publication Date: 2022.01.25 OSRAM OLED

AI summary

An optoelectronic component includes a light emitter including a multiplicity of segments, wherein each segment of the light emitter includes a multiplicity of image points configured to emit light, and an optical element configured to image light emitted by the light emitter into a target region, light emitted by the individual segments of the light emitter is superimposed in the target region, the optical element is subdivided into a number of segments corresponding to a number of segments of the light emitter, each segment of the optical element is respectively arranged over a segment of the light emitter, and the segments of the optical element are respectively configured as double-sided aspherical lenses.