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Photoluminescence: Applications

Photoluminescence: Applications

Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...

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In Depth Analyses of LEDs by a Combination of X-ray Computed Tomography CT and Light Microscopy LM Correlated with Scanning Electron Microscopy SEM

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Nitride micro-LEDs and beyond--a decade progress review.

H X Jiang, J Y Lin

|October 10, 2013

Summary

This summary is machine-generated.

This paper reviews a decade of progress in III-nitride micro-LEDs, focusing on high-voltage AC/DC LEDs and self-emissive microdisplays. These advancements address power grid compatibility and microdisplay performance needs.

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Published on: November 15, 2016

Area of Science:

Solid-state lighting
Optoelectronics
Semiconductor devices

Background:

Micro-size light emitting diode (µLED) arrays based on III-nitride semiconductors are a promising technology.
Compatibility issues exist between LEDs and AC power grids, and microdisplays require high brightness, efficiency, and robustness.

Purpose of the Study:

To provide an overview of advancements in III-nitride µLED technology over the past decade.
To highlight the development of high-voltage single-chip AC/DC LEDs and high-resolution solid-state self-emissive microdisplays.
To discuss the photonic integration approach for µLED arrays.

Main Methods:

Review of a decade of research and development in III-nitride µLEDs.
Focus on photonic integration of µLED arrays on-chip.
Discussion of device architectures for AC/DC compatibility and microdisplay applications.

Main Results:

Realization of III-nitride µLED-based high-voltage single-chip AC/DC LEDs without power converters.
Development of high-resolution solid-state self-emissive microdisplays using active driving schemes.
Demonstration of photonic integration for enhanced device functionality.

Conclusions:

III-nitride µLED technology has made significant progress over the last decade.
µLEDs offer solutions for AC power grid compatibility and advanced microdisplay applications.
Photonic integration is a key approach for realizing diverse µLED applications.