Semiconductor Device Dopant Distribution Optimization
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Solution Overview
Problem
Current semiconductor optoelectronic devices, such as LEDs, face challenges in achieving optimal conductivity and quantum efficiency due to limitations in dopant distribution and material composition, which affect their performance in terms of light emission and electrical properties.
Innovation Solution
The semiconductor device incorporates a structure with a first and second semiconductor structure of different conductivity types, separated by an active region, where the dopant distribution is carefully managed to optimize conductivity and quantum efficiency, utilizing III-V semiconductor materials and specific dopant concentrations to enhance light emission and electrical properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional dopant distribution is used in semiconductor optoelectronic devices, then manufacturing process is simple, but quantum efficiency and conductivity are insufficient
Solution Approach 1:
The patent applies local quality by implementing different dopant distributions in different regions of the semiconductor device. Specifically, the first dopant is concentrated in the active region and second semiconductor structure, while the second dopant is concentrated in the first semiconductor structure. This regional differentiation optimizes conductivity and quantum efficiency in each specific area without requiring complete structural redesign.
Solution Approach 2:
The patent utilizes parameter changes by varying the dopant concentrations and conductivity types across different semiconductor structures. The first dopant and second dopant have different conductivity types, and their concentrations are carefully controlled in each region to achieve optimal electrical properties and light emission efficiency without fundamentally changing the device architecture.
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 improves the quantum efficiency and luminous efficiency of the semiconductor device, particularly at low current densities, by effectively managing dopant concentrations and material composition, leading to enhanced performance in optoelectronic applications.
Implementation Method 1
The first semiconductor layer includes a first dopant and a second dopant. The second semiconductor structure includes the first dopant. The active region includes the first dopant. The first dopant and the second dopant have different conductivity types.
Data Source
AI summary
A semiconductor device is provided, which includes a first semiconductor structure, a second semiconductor structure, and an active region. The first semiconductor structure includes a first semiconductor layer which includes a first dopant and a second dopant. The second semiconductor structure is located on the first semiconductor structure and includes the first dopan. The active region is located between the first semiconductor structure and the second semiconductor structure and includes the first dopant. The first dopant and the second dopant have different conductivity types.