Organic Optoelectronic Component Integrating Light Detection and Emission
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Solution Overview
Problem
Existing optoelectronic systems require complex interconnections between sensors and luminaries, often relying on external sensors and components, which complicates their operation and increases complexity.
Innovation Solution
An organic optoelectronic component that integrates an organic light emitting element and an organic light detecting element on a common substrate, allowing for ambient light detection and regulation of light intensity without external sensors, using a transparent electrode and reflective electrode configuration to minimize additional costs and complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If external sensors and electronic parts are used for switching and dimming luminaries, then the functionality is achieved, but the device complexity increases due to complex interconnections between sensors, switches and luminaries
Solution Approach 1:
The patent combines the light emitting element and light detecting element into a single integrated component on one substrate. The light detecting element is positioned to detect light emitted by the light emitting element, enabling switching and dimming functions without external sensors. This merging eliminates complex interconnections while maintaining full functionality.
2Difficulty of detecting and measuring
If external sensors are used for ambient light detection, then the detection function is achieved, but the ease of operation deteriorates due to the need for external components and complex setup
Solution Approach 1:
The light detecting element is integrated directly into the component structure, allowing the device to perform ambient light detection autonomously without requiring external sensors or complex setup procedures. The component serves itself by using its own emitted light as a reference for detection.
3Illumination intensity
If transparent electrodes are used to minimize light absorption, then the light transmission is improved, but the electrical conductivity may be reduced
Solution Approach 1:
The patent employs transparent conductive oxide materials that combine optical transparency with electrical conductivity in a single material system. This composite material approach allows the electrode to simultaneously achieve high light transmission and sufficient electrical conductivity without requiring separate layers for each function.
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 efficient ambient light detection and regulation of light intensity with reduced complexity and cost, allowing for energy-saving and haptic control through movement-based interactions, such as swiping, while maintaining operational control and accuracy.
Implementation Method 1
the at least one organic light emitting element is embodied as organic light emitting diode (OLED) which can emit visible light during operation through at least one of the electrodes
Implementation Method 2
the at least one organic light detecting element can be designed to convert light incident on the at least one organic light detecting layer into an electrically measurable signal
Implementation Method 3
The other of the two electrodes between which the organic functional layer stack of the organic light emitting element is situated can be embodied as reflective and comprise a metal
Data Source
AI summary
A method is specified for operating an organic optoelectronic component, which has at least one organic light-emitting element having an organic functional layer stack with at least one organic light-emitting layer between two electrodes and at least one organic light-emitting element having an organic light-detecting layer. These elements are arranged on a common substrate in laterally adjacent area regions. The at least one organic light-detecting element detects ambient light, which is incident onto the organic optoelectronic component. The intensity of the light emitted by the at least one organic light-emitting element is regulated depending on a signal of the at least one organic light-detecting element with a characteristic signal form.