light emitting diode

简明释义

发光二极管

英英释义

例句

1.The new smartphone features a vibrant display powered by a light emitting diode 发光二极管 screen.

这款新智能手机配备了由发光二极管 light emitting diode屏幕驱动的生动显示。

2.The traffic lights were upgraded to light emitting diodes 发光二极管 to reduce energy consumption.

交通信号灯已升级为发光二极管 light emitting diodes以减少能耗。

3.In the lab, we are experimenting with light emitting diodes 发光二极管 for various optical applications.

在实验室中，我们正在对各种光学应用进行发光二极管 light emitting diodes的实验。

4.The LED strip lights in my room are made of light emitting diodes 发光二极管 which can change colors.

我房间里的LED灯带由可以变色的发光二极管 light emitting diodes制成。

5.Many modern televisions use light emitting diodes 发光二极管 for improved energy efficiency.

许多现代电视使用发光二极管 light emitting diodes以提高能效。

作文

The world of technology has seen numerous advancements over the past few decades, and one of the most significant innovations is the development of the light emitting diode. This small yet powerful device has transformed the way we think about lighting and displays. A light emitting diode (often abbreviated as LED) is a semiconductor device that emits light when an electric current passes through it. Unlike traditional incandescent bulbs, which produce light by heating a filament, LEDs generate light through electroluminescence, making them far more efficient and long-lasting.The efficiency of a light emitting diode is one of its most remarkable features. Traditional lighting sources waste a lot of energy in the form of heat, whereas LEDs convert a much higher percentage of electrical energy into visible light. This efficiency not only saves energy but also reduces electricity bills for consumers. In fact, studies have shown that switching to LED lighting can reduce energy consumption by up to 80%. In addition to being energy-efficient, light emitting diodes are also incredibly versatile. They come in various colors and sizes, making them suitable for a wide range of applications. From household lighting to automotive headlights, and even large-scale displays like billboards, LEDs have found their way into virtually every aspect of modern life. Their compact size allows for creative designs that were previously impossible with traditional lighting technologies.Another advantage of light emitting diodes is their durability. LEDs are solid-state devices, which means they are more resistant to shock and vibrations compared to fragile incandescent or fluorescent bulbs. This makes them ideal for use in outdoor settings or in environments where lighting fixtures might be subject to rough handling. Furthermore, because they do not contain fragile glass components, LEDs are less likely to break, contributing to their longevity and reliability.The environmental impact of light emitting diodes is also noteworthy. Unlike traditional bulbs that contain harmful substances such as mercury, LEDs are free from toxic materials, making them a safer choice for both consumers and the environment. Additionally, their long lifespan means fewer bulbs need to be manufactured and disposed of, reducing waste and the carbon footprint associated with lighting.As technology continues to advance, the future of light emitting diodes looks promising. Researchers are continually exploring new ways to improve their efficiency and functionality. For instance, advancements in smart lighting technology are allowing for the integration of LEDs with smart home systems, enabling users to control their lighting remotely or program it to suit their daily routines. This level of control not only enhances convenience but also promotes energy savings.In conclusion, the light emitting diode has revolutionized the lighting industry and continues to play a crucial role in our everyday lives. Its energy efficiency, versatility, durability, and environmental benefits make it a superior choice compared to traditional lighting options. As we move towards a more sustainable future, embracing technologies like LEDs will be essential in reducing our energy consumption and minimizing our environmental impact. Therefore, understanding and utilizing light emitting diodes is not just an option; it is a necessity for a brighter and greener tomorrow.

在过去几十年中，科技领域经历了许多进步，其中最重要的创新之一就是开发了发光二极管。这个小而强大的设备改变了我们对照明和显示的看法。发光二极管（通常缩写为LED）是一种半导体器件，当电流通过时会发出光。与传统的白炽灯泡通过加热灯丝产生光不同，LED通过电致发光产生光，使其更加高效且使用寿命更长。发光二极管的效率是其最显著的特点之一。传统光源在热量的形式上浪费了大量能量，而LED则将更高比例的电能转化为可见光。这种效率不仅节省了能源，还降低了消费者的电费。事实上，研究表明，切换到LED照明可以将能耗减少多达80%。除了节能外，发光二极管还具有极大的多功能性。它们有各种颜色和尺寸，适用于广泛的应用。从家庭照明到汽车大灯，甚至大型显示屏，如广告牌，LED几乎无处不在。它们的紧凑尺寸允许以前无法用传统照明技术实现的创意设计。发光二极管的另一个优点是其耐用性。LED是固态设备，这意味着它们比易碎的白炽灯或荧光灯更能抵抗冲击和振动。这使它们非常适合在户外环境或照明装置可能遭受粗暴处理的环境中使用。此外，由于它们不含易碎的玻璃部件，LED不容易破裂，从而增加了其使用寿命和可靠性。发光二极管的环境影响也值得注意。与含有有害物质如汞的传统灯泡不同，LED不含有毒材料，使其成为消费者和环境的更安全选择。此外，它们的长寿命意味着需要制造和处置的灯泡更少，从而减少了废物和与照明相关的碳足迹。随着科技的不断进步，发光二极管的未来看起来很有前景。研究人员不断探索改善其效率和功能的新方法。例如，智能照明技术的进步使LED能够与智能家居系统集成，使用户能够远程控制照明或根据日常生活安排进行编程。这种控制水平不仅提高了便利性，还促进了节能。总之，发光二极管彻底改变了照明行业，并继续在我们的日常生活中发挥关键作用。与传统照明选项相比，其节能、高效、多功能、耐用和环保的优势使其成为更优越的选择。随着我们走向更可持续的未来，拥抱像LED这样的技术对于减少能源消耗和最小化环境影响至关重要。因此，理解和利用发光二极管不仅是一个选择；它是一个为更光明、更绿色的明天而必须采取的必要措施。