shadow mask

简明释义

障板

英英释义

例句

1.The artist created a stencil-like shadow mask for her spray painting.

艺术家为她的喷漆创作了一个类似模板的阴影掩膜。

2.In the manufacturing of displays, a shadow mask helps define the pixel structure.

在显示器的制造中，阴影掩膜帮助定义像素结构。

3.Using a shadow mask in photolithography allows for intricate designs on silicon wafers.

在光刻中使用阴影掩膜可以在硅晶圆上实现复杂设计。

4.The printer uses a shadow mask to ensure precise ink placement.

打印机使用阴影掩膜以确保墨水精确放置。

5.The shadow mask technique is essential for producing high-quality LED screens.

阴影掩膜技术对于生产高质量LED屏幕至关重要。

作文

In the world of display technology, the term shadow mask refers to a crucial component in cathode ray tube (CRT) displays. This technology was widely used in televisions and computer monitors before the advent of flat-panel displays. The shadow mask plays an essential role in ensuring that the electron beams emitted from the cathode are directed accurately onto the phosphorescent screen. By doing so, it allows for the creation of vibrant images with precise colors. The shadow mask is typically made of a thin sheet of metal with tiny holes arranged in a specific pattern. These holes correspond to the positions of the red, green, and blue phosphor dots on the screen. When the electron beams strike the phosphors through the holes, they illuminate the screen and produce the desired colors. The design and placement of the shadow mask are critical, as any misalignment can lead to color distortion or blurring of the image. One of the significant advantages of using a shadow mask is its ability to maintain color purity. Since each electron beam can only pass through its designated hole, the risk of color bleeding is minimized. This results in sharper images with more accurate color representation. However, this technology also has its limitations. For instance, the shadow mask adds a layer of complexity to the manufacturing process, making CRTs more expensive to produce compared to modern flat-panel technologies. As technology evolved, the demand for CRTs diminished, leading to the rise of LCD, LED, and OLED displays that do not use shadow masks. These newer technologies have provided various benefits, such as lighter weight, thinner profiles, and lower power consumption. Despite this shift, the shadow mask remains an important part of the history of display technology. It represents a significant advancement in how we perceive images on screens and laid the groundwork for future innovations. In conclusion, the shadow mask is a pivotal element in the operation of CRT displays, allowing for the precise delivery of electron beams to create colorful images. While it has largely been replaced by more modern technologies, understanding the function and significance of the shadow mask provides insight into the evolution of display technology and its impact on our daily lives. As we continue to advance in the field of electronics, the lessons learned from the shadow mask will undoubtedly influence future designs and innovations in visual display technology.

在显示技术的世界中，术语阴影掩模指的是阴极射线管（CRT）显示器中的一个关键组件。这项技术在平面显示器出现之前广泛应用于电视和计算机显示器。阴影掩模在确保从阴极发出的电子束准确地指向荧光屏方面发挥着重要作用。通过这样做，它可以创建出色彩鲜艳且精准的图像。 阴影掩模通常由一薄片金属制成，上面有排列成特定模式的小孔。这些孔对应于屏幕上红色、绿色和蓝色磷光点的位置。当电子束通过这些孔击中磷光材料时，它们会照亮屏幕并产生所需的颜色。阴影掩模的设计和放置至关重要，因为任何错位都可能导致颜色失真或图像模糊。 使用阴影掩模的一个显著优点是能够保持颜色纯度。由于每个电子束只能通过指定的孔，因此颜色渗漏的风险降到最低。这使得图像更加清晰，颜色表现更为准确。然而，这项技术也有其局限性。例如，阴影掩模增加了制造过程的复杂性，使得CRT的生产成本比现代平面技术更高。 随着技术的发展，对CRT的需求减少，LCD、LED和OLED等不使用阴影掩模的新技术开始兴起。这些新技术提供了多种好处，例如更轻的重量、更薄的外形和更低的能耗。尽管发生了这种转变，阴影掩模仍然是显示技术历史中重要的一部分。它代表了我们如何在屏幕上感知图像的重大进步，并为未来的创新奠定了基础。 总之，阴影掩模是CRT显示器操作中的关键元素，允许电子束精确传递以创建彩色图像。虽然它在很大程度上已被更现代的技术所取代，但理解阴影掩模的功能和重要性能为我们提供关于显示技术演变及其对我们日常生活影响的深入见解。随着我们在电子领域的不断进步，从阴影掩模中学到的经验无疑将影响未来视觉显示技术的设计和创新。