fluorescent screen

简明释义

荧光板

英英释义

例句

1.The fluorescent screen in the arcade machine glowed brightly with colorful graphics.

街机游戏机中的荧光屏发出明亮的彩色图形。

2.The projector displayed the presentation on a large fluorescent screen at the conference.

会议上，投影仪在一个大型荧光屏上展示了演示文稿。

3.In laboratories, scientists often rely on a fluorescent screen for observing chemical reactions.

在实验室中，科学家们常常依赖荧光屏来观察化学反应。

4.Many digital cameras use a fluorescent screen to help users frame their shots.

许多数码相机使用荧光屏来帮助用户构图。

5.The old television used a fluorescent screen to display images.

这台旧电视使用了荧光屏来显示图像。

作文

The development of technology has led to numerous innovations in the field of display devices, one of which is the fluorescent screen. This technology has played a crucial role in how we interact with electronic devices, from televisions to computer monitors. A fluorescent screen is a surface that emits light when it is excited by an electron beam, making it a fundamental component in many types of display technologies.To understand how a fluorescent screen works, it is essential to delve into its structure and function. Typically, a fluorescent screen consists of a layer of phosphor material that glows when struck by electrons. This process is known as fluorescence, where the phosphor absorbs energy and re-emits it as visible light. The efficiency and brightness of a fluorescent screen depend largely on the quality of the phosphor used and the intensity of the electron beam.Historically, fluorescent screens have been used in cathode ray tube (CRT) displays, which were once the standard for televisions and computer monitors. These screens provided vibrant colors and sharp images, but they were also bulky and heavy. As technology advanced, the need for slimmer and lighter displays led to the decline of CRTs in favor of flat-panel technologies such as LCD and LED. However, the principles behind the fluorescent screen remain relevant, as many modern displays still utilize similar phosphorescent materials to produce color.One of the significant advantages of fluorescent screens is their ability to produce bright and vivid colors. This characteristic makes them ideal for applications that require high visibility, such as in medical imaging and scientific instrumentation. For instance, in a medical setting, a fluorescent screen can be used to display X-ray images or other diagnostic information, allowing for better visualization and interpretation by healthcare professionals.Moreover, the use of fluorescent screens extends beyond traditional displays. They are also found in various lighting applications, such as fluorescent lamps, which utilize the same principle of fluorescence to emit light. This versatility showcases the importance of fluorescent screens in both display and illumination technologies.Despite their advantages, fluorescent screens also have some drawbacks. For instance, they can suffer from issues like burn-in, where static images can become permanently etched onto the screen over time. Additionally, the production of these screens often involves the use of hazardous materials, raising environmental concerns regarding their disposal and recycling.In conclusion, the fluorescent screen has had a profound impact on the evolution of display technology. Although newer technologies have emerged, the principles of fluorescence continue to influence modern displays and lighting solutions. Understanding the function and application of fluorescent screens not only highlights their significance in our daily lives but also encourages further exploration of innovative display technologies in the future.

技术的发展导致了显示设备领域的众多创新，其中之一就是荧光屏。这项技术在我们与电子设备的互动中发挥了至关重要的作用，从电视到计算机显示器。荧光屏是一种在电子束激发下发光的表面，使其成为许多类型显示技术的基本组成部分。要理解荧光屏的工作原理，有必要深入了解其结构和功能。通常，荧光屏由一层磷光材料组成，当电子撞击时会发光。这个过程被称为荧光，其中磷光材料吸收能量并重新发射为可见光。荧光屏的效率和亮度在很大程度上取决于所使用的磷光材料的质量和电子束的强度。历史上，荧光屏曾用于阴极射线管（CRT）显示器，这曾是电视和计算机显示器的标准。这些屏幕提供了生动的颜色和清晰的图像，但它们也笨重且沉重。随着技术的进步，对更薄、更轻显示器的需求导致CRT的衰退，取而代之的是平板技术，如LCD和LED。然而，荧光屏背后的原理仍然相关，因为许多现代显示器仍然利用类似的磷光材料来产生颜色。荧光屏的一个显著优点是它们能够产生明亮而鲜艳的颜色。这一特性使它们非常适合需要高可见性的应用，例如医学成像和科学仪器。例如，在医疗环境中，荧光屏可以用于显示X光图像或其他诊断信息，使医疗专业人员能够更好地可视化和解读。此外，荧光屏的使用超出了传统显示器的范畴。它们还出现在各种照明应用中，例如荧光灯，这些灯利用相同的荧光原理发光。这种多功能性展示了荧光屏在显示和照明技术中的重要性。尽管有其优点，荧光屏也存在一些缺点。例如，它们可能会遭受烧录问题，即静态图像可能会随着时间的推移永久地铭刻在屏幕上。此外，这些屏幕的生产通常涉及使用有害材料，导致对其处置和回收的环境担忧。总之，荧光屏对显示技术的发展产生了深远的影响。尽管出现了更新的技术，但荧光的原理仍然影响着现代显示和照明解决方案。了解荧光屏的功能和应用不仅突显了它们在我们日常生活中的重要性，而且还鼓励进一步探索未来创新显示技术的可能性。