light emitting diode

简明释义

发光二极管

英英释义

例句

1.In recent years, light emitting diodes 发光二极管 have become popular for home lighting due to their energy efficiency.

近年来，发光二极管 light emitting diodes因其能效高而在家庭照明中变得流行。

2.The traffic lights in the city are now equipped with light emitting diodes 发光二极管 to improve visibility.

城市的交通信号灯现在配备了发光二极管 light emitting diodes以提高可见性。

3.The new smartphone model uses a light emitting diode 发光二极管 for its display, providing better color accuracy.

新款智能手机采用了发光二极管 light emitting diode作为显示屏，提供更好的色彩准确性。

4.Many modern televisions utilize light emitting diodes 发光二极管 for backlighting, resulting in thinner designs.

许多现代电视采用发光二极管 light emitting diodes作为背光，从而实现更薄的设计。

5.Our outdoor signage uses light emitting diodes 发光二极管 for better visibility at night.

我们的户外标识使用发光二极管 light emitting diodes以在夜间提供更好的可见性。

作文

In today's world, technology has become an integral part of our daily lives, and one of the most significant advancements in recent years is the development of the light emitting diode (LED). The light emitting diode is a semiconductor device that emits light when an electric current passes through it. This innovative technology has revolutionized the way we illuminate our surroundings, providing a more energy-efficient and longer-lasting alternative to traditional incandescent bulbs. The history of the light emitting diode dates back to the early 1960s when the first visible LED was developed by Nick Holonyak Jr. Since then, the technology has evolved dramatically. Initially, LEDs were limited to emitting red light, but today they can produce a wide spectrum of colors, including blue, green, and white light. This versatility has made the light emitting diode a popular choice for various applications, from household lighting to large-scale displays and even automotive lighting.One of the primary advantages of using light emitting diodes is their energy efficiency. Compared to traditional incandescent bulbs, which convert only about 10% of energy into visible light, LEDs can convert up to 80% of energy into light. This means that not only do they consume less electricity, but they also generate less heat, making them safer and more environmentally friendly. Additionally, the longevity of light emitting diodes is impressive; they can last up to 25,000 hours or more, significantly reducing the need for frequent replacements.Moreover, the adaptability of light emitting diodes allows them to be used in a variety of settings. In homes, they are commonly used for general lighting, task lighting, and decorative purposes. In commercial spaces, LEDs are utilized for signage, accent lighting, and even in retail displays to attract customers. Furthermore, the emergence of smart lighting systems has integrated light emitting diodes with technology, allowing users to control their lighting remotely via smartphones or voice commands.The impact of light emitting diodes extends beyond convenience and aesthetics. They play a crucial role in reducing energy consumption and greenhouse gas emissions, contributing to a more sustainable future. As cities around the world adopt LED street lighting, they are not only saving money on energy bills but also enhancing public safety with improved visibility at night.Despite the many benefits, there are still challenges associated with light emitting diodes. For instance, the initial cost of LED lighting can be higher than traditional options. However, considering their longevity and energy savings, they prove to be a cost-effective solution in the long run. Additionally, there are concerns regarding the quality of light produced by some LEDs, particularly in terms of color rendering. Manufacturers are continuously working to improve these aspects, ensuring that light emitting diodes meet the diverse needs of consumers.In conclusion, the light emitting diode represents a remarkable advancement in lighting technology. Its energy efficiency, longevity, and versatility make it an ideal choice for various applications. As we continue to embrace this technology, we can look forward to a brighter, more sustainable future. The widespread adoption of light emitting diodes will undoubtedly lead to significant energy savings and a reduction in our carbon footprint, making the world a better place for generations to come.

在今天的世界，科技已成为我们日常生活中不可或缺的一部分，而近年来最重要的进展之一就是开发了发光二极管（LED）。发光二极管是一种半导体设备，当电流通过时会发出光。这项创新技术彻底改变了我们照亮周围环境的方式，提供了一种比传统白炽灯更节能、使用寿命更长的替代品。发光二极管的历史可以追溯到20世纪60年代初，当时尼克·霍洛尼亚克（Nick Holonyak Jr.）开发了第一款可见光LED。从那时起，这项技术经历了巨大的发展。最初，LED仅限于发出红色光，但今天它们可以产生包括蓝色、绿色和白色光在内的广泛色谱。这种多功能性使得发光二极管成为各种应用的热门选择，从家庭照明到大规模显示，甚至汽车照明。使用发光二极管的主要优点之一是其能效。与传统的白炽灯泡相比，白炽灯泡仅将约10%的能量转化为可见光，而LED可以将高达80%的能量转化为光。这意味着它们不仅消耗更少的电力，而且产生的热量也更少，使其更安全、更环保。此外，发光二极管的使用寿命令人印象深刻；它们的使用寿命可达25,000小时或更长，大大减少了频繁更换的需要。此外，发光二极管的适应性使其可以在各种环境中使用。在家庭中，它们通常用于一般照明、任务照明和装饰用途。在商业空间中，LED被用于标牌、重点照明，甚至在零售展示中吸引顾客。此外，智能照明系统的出现将发光二极管与技术结合起来，使用户能够通过智能手机或语音命令远程控制照明。发光二极管的影响超越了便利性和美学。它们在减少能源消耗和温室气体排放方面发挥着至关重要的作用，为一个更可持续的未来做出贡献。随着世界各地城市采用LED街道照明，它们不仅节省了电费，还通过改善夜间的可见度提高了公共安全。尽管有许多好处，但与发光二极管相关的挑战仍然存在。例如，LED照明的初始成本可能高于传统选项。然而，考虑到它们的耐用性和节能效果，从长远来看，它们证明是一种具有成本效益的解决方案。此外，对于某些LED所产生的光的质量，特别是在颜色还原方面，仍然存在一些担忧。制造商们正在不断努力改善这些方面，确保发光二极管满足消费者的多样化需求。总之，发光二极管代表了照明技术的显著进步。其能效、耐用性和多功能性使其成为各种应用的理想选择。随着我们继续接受这项技术，我们可以期待一个更光明、更可持续的未来。发光二极管的广泛采用无疑将导致显著的节能和减少我们的碳足迹，使这个世界在未来几代人中变得更美好。