light emitting diode (LED)
简明释义
发光二极管
英英释义
A light emitting diode (LED) is a semiconductor device that emits light when an electric current passes through it. | 发光二极管(LED)是一种半导体器件,当电流通过时会发出光。 |
例句
1.I replaced all the old bulbs with light emitting diode (LED) ones to save on electricity bills.
我把所有旧灯泡换成了发光二极管 (LED)灯泡,以节省电费。
2.The light emitting diode (LED) bulbs last much longer than traditional incandescent bulbs.
发光二极管 (LED)灯泡的使用寿命远超传统白炽灯泡。
3.The new streetlights use light emitting diode (LED) technology for better energy efficiency.
新的街灯使用发光二极管 (LED)技术以提高能效。
4.The light emitting diode (LED) technology is revolutionizing the way we light our homes.
发光二极管 (LED)技术正在彻底改变我们照亮家庭的方式。
5.Many electronic devices now feature light emitting diode (LED) displays for clearer visuals.
许多电子设备现在配备了发光二极管 (LED)显示屏,以提供更清晰的视觉效果。
作文
In today's world, technology plays a crucial role in our daily lives, and one of the most significant advancements in recent years is the development of the light emitting diode (LED). This innovative technology has transformed the way we illuminate our homes, streets, and even our electronic devices. The light emitting diode (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, light emitting diodes (LEDs) generate light more efficiently, resulting in lower energy consumption and longer lifespans.The efficiency of light emitting diodes (LEDs) is one of their most appealing features. They convert a higher percentage of electrical energy into light, making them a more sustainable option compared to incandescent and fluorescent lights. For instance, while an incandescent bulb may convert only about 10% of the energy it consumes into visible light, light emitting diodes (LEDs) can achieve efficiencies of over 80%. This means that by switching to light emitting diodes (LEDs), households can significantly reduce their energy bills and carbon footprint.Another advantage of light emitting diodes (LEDs) is their longevity. An average light emitting diode (LED) can last up to 25,000 hours or more, whereas traditional bulbs typically last only about 1,000 hours. This durability not only saves money on replacements but also reduces waste, making light emitting diodes (LEDs) an environmentally friendly choice.Moreover, light emitting diodes (LEDs) offer versatility in design and application. They are available in various colors and can be used in numerous settings, from residential lighting to decorative displays and automotive lighting. Their compact size allows for creative applications, such as in signage and backlighting for screens. As technology continues to advance, we see even more innovative uses for light emitting diodes (LEDs), including in horticulture, where they are used to promote plant growth indoors.Despite their advantages, some people still have misconceptions about light emitting diodes (LEDs). For example, early models were criticized for producing harsh, cold light. However, advancements in technology have led to the development of light emitting diodes (LEDs) that can emit warm light, making them suitable for home environments. Additionally, concerns about the blue light emitted by light emitting diodes (LEDs) have been raised, particularly regarding its impact on sleep patterns. Nevertheless, many manufacturers now offer light emitting diodes (LEDs) with adjustable color temperatures, allowing users to choose warmer tones that are more conducive to relaxation during the evening.In conclusion, the light emitting diode (LED) represents a remarkable leap forward in lighting technology. Its energy efficiency, longevity, and versatility make it a superior choice for both consumers and businesses. As awareness of the benefits of light emitting diodes (LEDs) grows, we can expect to see their continued adoption across various sectors. Embracing this technology not only enhances our quality of life but also contributes to a more sustainable future.
在今天的世界中,科技在我们的日常生活中发挥着至关重要的作用,而近年来最重要的进步之一就是开发出发光二极管(LED)。这一创新技术已经改变了我们照亮家居、街道甚至电子设备的方式。发光二极管(LED)是一种半导体设备,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,发光二极管(LED)以更高的效率产生光,从而降低能耗并延长使用寿命。发光二极管(LED)的高效性是其最吸引人的特点之一。它们将更高比例的电能转化为光,使其成为比白炽灯和荧光灯更可持续的选择。例如,虽然一只白炽灯泡可能只有约10%的能量转化为可见光,但发光二极管(LED)的效率可以超过80%。这意味着通过切换到发光二极管(LED),家庭可以显著降低能源账单和碳足迹。发光二极管(LED)的另一个优势是其耐用性。平均而言,一只发光二极管(LED)的使用寿命可以达到25000小时或更长,而传统灯泡通常仅约1000小时。这种耐用性不仅节省了更换费用,还减少了浪费,使得发光二极管(LED)成为环保的选择。此外,发光二极管(LED)在设计和应用上也提供了多样性。它们有多种颜色可供选择,并且可以用于众多场合,从住宅照明到装饰展示和汽车照明。它们的小巧尺寸允许创造性的应用,例如在标牌和屏幕背光中。随着技术的不断进步,我们看到发光二极管(LED)有更多创新用途,包括在园艺中,用于促进室内植物生长。尽管有这些优点,但一些人仍然对发光二极管(LED)存在误解。例如,早期的型号因产生刺眼、冷光而受到批评。然而,技术的进步导致了可以发出温暖光线的发光二极管(LED)的发展,使其适合家庭环境。此外,人们对发光二极管(LED)发出的蓝光提出了担忧,特别是其对睡眠模式的影响。然而,许多制造商现在提供可调色温的发光二极管(LED),允许用户选择更温暖的色调,这在晚上更有利于放松。总之,发光二极管(LED)代表了照明技术的显著飞跃。其能效、耐用性和多功能性使其成为消费者和企业的优选。随着对发光二极管(LED)好处的认识不断提高,我们可以期待其在各个领域的持续采用。接受这一技术不仅提升了我们的生活质量,还为更可持续的未来做出了贡献。
相关单词