Integrated Optoelectronic Semiconductor Component with On-Substrate Driver
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Solution Overview
Problem
Existing optoelectronic semiconductor components require external driver electronics for each LED, leading to complex layouts and potential interference issues due to discrete components, which complicates the driving of multiple LEDs in confined spaces.
Innovation Solution
Integration of driving functional regions, including switches and signal generators, directly on the same carrier substrate as the active radiation-emitting regions, allowing for simplified driving and reduced interference by minimizing the need for external connections and discrete components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If external driver electronics are used for each LED, then each LED can be individually controlled, but the layout becomes complex and interference issues arise due to discrete components
Solution Approach 1:
The patent merges the driver electronics and LED arrays into a single integrated component. The driver circuitry is fabricated directly on the same substrate as the LED arrays, eliminating the need for separate discrete driver components and reducing layout complexity while maintaining individual LED control capability through integrated switching matrices.
Solution Approach 2:
The integrated component serves multiple functions within a single device: it provides both the LED light sources and the driver electronics for controlling them. The driver circuitry can control multiple LED arrays simultaneously, reducing the overall number of components needed in the system.
2Quantity of substance
If multiple LEDs are arranged in confined spaces, then pixel density increases, but parasitic inductances and resistive portions increase due to longer external connections
Solution Approach 1:
By integrating the driver electronics directly on the LED substrate, the patent minimizes the length of external connections and trace routes. This reduction in connection length directly decreases parasitic inductances and resistive portions while enabling higher pixel density in confined spaces.
3Adaptability or versatility
If discrete components are used for driving LEDs, then individual components can be optimized separately, but rise and fall times increase due to longer signal paths
Solution Approach 1:
The integration of driver electronics and LED arrays on the same substrate dramatically shortens signal paths between control elements and light sources. This reduced path length minimizes propagation delays and parasitic effects, resulting in faster rise and fall times for LED switching while maintaining the ability to optimize different functional regions during the fabrication process.
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 integration simplifies the driving of LEDs, reduces parasitic inductances and resistive portions, and increases pixel density by allowing for more compact configurations, while minimizing rise and fall times and optimizing switching performance.
Implementation Method 1
an active zone (10) provided for generating radiation or for receiving radiation
Data Source
AI summary
An optoelectronic semiconductor component includes a first functional region having an active zone provided for generating radiation or for receiving radiation, and a second functional region, which is suitable for contributing to the driving of the first functional region. The first functional region and the second functional region are integrated on the same carrier substrate.