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Photoluminescence: Applications01:14

Photoluminescence: Applications

969
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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Biasing of P-N Junction01:16

Biasing of P-N Junction

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The operation of a p-n junction diode involves various biasing conditions, including forward bias, reverse bias, and equilibrium.
In equilibrium, no external voltage is applied across the p-n junction. The depletion region is formed at the junction interface due to the diffusion of carriers, which leaves behind charged dopants, acceptors on the p-side, and donors on the n-side. These immobile charges create an electric field that prevents further diffusion of carriers. The related energy band...
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Updated: Jan 9, 2026

Development of an Innovative LED-based Illumination Device for In Vitro Application of Photodynamic Therapy with Rose Bengal
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Development of an Innovative LED-based Illumination Device for In Vitro Application of Photodynamic Therapy with Rose Bengal

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基于玻璃的4合1高压微LED包,用于高亮度的迷你LED背光应用.

Chien-Chi Huang1,2, Tzu-Yi Lee1,2, Chia-Hung Tsai1,3

  • 1Department of Photonics, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan.

Nanomaterials (Basel, Switzerland)
|December 10, 2025
PubMed
概括

一个新的MicroLED-in-Package (MiP4) 架构集成了四个微型LED用于高压应用. 这种创新的设计提供了卓越的光学功率和光流密度,使显示器和光学系统更明亮,更高效.

关键词:
包装中的微LED (MiP4)玻璃基板包装包装的使用情况重新分配层 (RDL) 是一个重分配层.

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科学领域:

  • 光电学是指光电子产品.
  • 半导体设备 半导体设备
  • 材料科学 材料科学 材料科学

背景情况:

  • 在显示和通信应用中,MicroLED技术正在不断发展.
  • 微LED的高压驱动电路通常需要复杂的转换器.
  • 透明基板在光提取和热管理方面具有优势.

研究的目的:

  • 为了展示一个新的四合一 (4合一系列) MicroLED-in-Package (MiP4) 架构.
  • 为了评估 MiP4 设备在高压应用中的性能.
  • 评估这种架构在下一代显示器和光学系统中的潜力.

主要方法:

  • 在透明玻璃基板上集成四个85微米蓝色微型LED模块,使用再分配层 (RDL) 互连.
  • 双,三,四芯片设备的电和光学特性.
  • 用脉冲驱动的测量来评估热稳定性和光谱转移.

主要成果:

  • 该MiP4设备以16V的本机运行,简化了驾驶电路.
  • 与商业LED相比,实现了1.8×更高的光学功率和64 lm/mm2的光流密度.
  • 在脉冲操作下显示出优异的热稳定性和最小的光谱变化 (<1 nm).

结论:

  • 基于高压玻璃的4合1μLED包是一个可扩展和可制造的解决方案.
  • 这种架构可以实现超薄,高亮度的迷你LED背光.
  • MiP4技术适用于先进的光通信系统.