Organic Optoelectronic Component with Integrated Light Detection
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Solution Overview
Problem
Existing organic optoelectronic components face challenges in maintaining constant luminance under varying ambient conditions due to aging processes and complex control systems, leading to inefficient energy use and incorrect illumination.
Innovation Solution
An organic optoelectronic component integrating an organic light emitting element and an organic light detecting element on a common substrate, where the light detecting element generates an electrically measurable signal to regulate the light emitting element, allowing for automatic adjustment of luminance without external sensors, reducing complexity and cost.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If external sensors are used to detect radiation power and control the luminance source, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The patent combines the light detecting element and light emitting element into a single integrated component structure, where the detecting element is positioned to receive light from the emitting element. This integration eliminates the need for separate external sensors and their associated wiring, thereby reducing device complexity while maintaining measurement capability through the integrated detector that directly measures the emitted light intensity.
2Adaptability or versatility
If external sensors with electronic circuits are used to control luminance, then adaptability to ambient conditions is improved, but device complexity increases
Solution Approach 1:
The patent implements a feedback mechanism where the light detecting element continuously monitors the light emitted by the organic light emitting element and generates a detection signal that is fed back to control the driving current. This closed-loop feedback system enables automatic adaptation to ambient lighting conditions without requiring complex external control circuits, as the feedback signal directly regulates the luminance output based on real-time detection.
Solution Approach 2:
The integrated component performs self-regulation of luminance through internal feedback, where the detecting element within the same component structure provides the control signal needed to maintain appropriate brightness levels. This self-service capability eliminates the need for external sensors and complex control systems, reducing device complexity while maintaining adaptability to ambient conditions.
3Device complexity
If manual dimming is used to adjust luminance, then device complexity is reduced, but measurement precision and automation are worsened
Solution Approach 1:
The patent enables the luminance control system to serve itself by integrating a light detecting element that automatically monitors the emitted light and generates feedback signals for regulation. This self-service mechanism provides automatic readjustment of luminance based on ambient conditions and aging compensation, eliminating the need for manual intervention while keeping the overall device structure simple and integrated without requiring complex external automation systems.
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 enables precise, automated adjustment of light intensity, maintaining constant illumination independently of aging processes and ambient conditions, while reducing circuit complexity and energy waste.
Implementation Method 1
at least one organic light emitting element (100) comprising an organic functional layer stack (103) having at least one organic light emitting layer (1032) between two electrodes (102, 104)
Implementation Method 2
at least one organic light detecting element (200) comprising at least one organic light detecting layer (2032), wherein the at least one organic light detecting element (200) can be designed to convert light incident on the at least one organic light detecting layer (2032) into an electrically measurable signal
Data Source
AI summary
An organic optoelectronic component and a method for operating the organic optoelectronic component are disclosed. In an embodiment the organic optoelectronic component includes at least one organic light emitting element including an organic functional layer stack having at least one organic light emitting layer between two electrodes and at least one organic light detecting element including at least one organic light detecting layer, wherein the at least one organic light detecting element and the at least one organic light emitting element are laterally arranged on a common substrate.