phosphor dot

简明释义

荧光点

英英释义

例句

1.In a color television, the phosphor dots emit red, green, and blue light to create a full spectrum of colors.

在彩色电视中，荧光点发出红色、绿色和蓝色的光，以创建全色谱的颜色。

2.The quality of the image on the screen depends largely on the arrangement of phosphor dots.

屏幕上图像的质量在很大程度上取决于荧光点的排列。

3.The brightness of the display can be affected by the intensity of the light emitted from each phosphor dot.

显示器的亮度可能受到每个荧光点发出的光强度的影响。

4.The screen of the old CRT monitor is made up of tiny phosphor dots, which glow when struck by electron beams.

老式CRT显示器的屏幕由微小的荧光点组成，当电子束击中时会发光。

5.When designing a display, engineers must consider the size and spacing of the phosphor dots.

在设计显示器时，工程师必须考虑荧光点的大小和间距。

作文

In the world of display technology, the term phosphor dot refers to a tiny point on a screen that emits light when excited by an electron beam. These dots are crucial components in various types of displays, including cathode ray tubes (CRTs) and some forms of LED screens. Understanding how phosphor dots work can provide insight into the evolution of visual technology and its impact on our daily lives.Historically, phosphor dots were integral to the functioning of CRTs, which were the primary technology used in televisions and computer monitors for many decades. In a CRT, an electron gun fires electrons onto the screen's inner surface, which is coated with phosphorescent materials. When these electrons hit the phosphor dots, they excite the atoms within the material, causing them to emit light. The color of the emitted light depends on the specific type of phosphor used; for instance, red, green, and blue phosphors combine to create a full spectrum of colors on the screen.The development of phosphor dots revolutionized how images were displayed, allowing for vibrant and dynamic visuals. However, as technology progressed, CRTs began to be replaced by flat-panel displays, such as LCD and OLED screens. These newer technologies do not rely on phosphor dots in the same way, yet the principles of light emission and color mixing remain relevant.Today, while we may not see phosphor dots in modern displays, their legacy persists in our understanding of how screens produce images. For example, OLED technology uses organic compounds that emit light when energized, similar to how phosphor dots functioned in older displays. Additionally, the concept of pixelation in digital displays can still be traced back to the idea of phosphor dots, as each pixel represents a small area of color that contributes to the overall image.Moreover, the study of phosphor dots has implications beyond just display technology. In scientific research, phosphors are used in various applications, including lighting, medical imaging, and even in safety signs that glow in the dark. The versatility of phosphor dots demonstrates their importance across multiple fields, highlighting the interconnectedness of technology and science.In conclusion, phosphor dots have played a significant role in the development of display technology, shaping how we experience visual media. While they may no longer be at the forefront of modern screens, understanding their function provides valuable insights into the history and future of visual technology. As we continue to innovate and explore new ways to display information, the foundational concepts behind phosphor dots will undoubtedly influence future advancements. Their legacy serves as a reminder of how far we've come and the exciting possibilities that lie ahead in the realm of technology.

在显示技术的世界中，术语荧光点指的是屏幕上一个微小的点，当电子束激发时会发出光。这些点是各种类型显示器的关键组成部分，包括阴极射线管（CRT）和某些形式的LED屏幕。理解荧光点的工作原理可以提供对视觉技术演变及其对我们日常生活影响的深入了解。历史上，荧光点在CRT的运行中至关重要，CRT曾是电视和计算机显示器使用的主要技术。 在CRT中，电子枪将电子发射到屏幕的内表面，这个表面涂有磷光材料。当这些电子击中荧光点时，它们激发材料内的原子，使其发出光。发出的光的颜色取决于所使用的特定类型的荧光材料；例如，红色、绿色和蓝色荧光材料结合形成屏幕上的完整色谱。荧光点的发展彻底改变了图像显示的方式，使生动而动态的视觉效果成为可能。然而，随着技术的进步，CRT开始被平板显示器取代，如LCD和OLED屏幕。这些较新的技术并不以相同的方式依赖于荧光点，但光发射和颜色混合的原理仍然相关。如今，虽然我们可能在现代显示器中看不到荧光点，但它们的遗产仍然存在于我们对屏幕如何产生图像的理解中。例如，OLED技术使用有机化合物，在被激励时发出光，这与旧显示器中荧光点的功能相似。此外，数字显示中的像素化概念仍可追溯到荧光点的概念，因为每个像素代表一个小的颜色区域，贡献整体图像。此外，荧光点的研究在科学研究中也具有超越显示技术的意义。在照明、医学成像甚至在发光安全标志中，磷光材料都有应用。荧光点的多功能性展示了它们在多个领域的重要性，突显了技术与科学之间的相互联系。总之，荧光点在显示技术的发展中发挥了重要作用，塑造了我们体验视觉媒体的方式。虽然它们可能不再处于现代屏幕的前沿，但理解它们的功能提供了对视觉技术历史和未来的宝贵见解。随着我们继续创新和探索显示信息的新方式，荧光点背后的基础概念无疑将影响未来的进步。它们的遗产提醒我们，我们已经走了多远，以及在技术领域中令人兴奋的可能性。