FAQs (Frequently Asked Questions)

动态矩阵 LCD 中,开关晶体管(即TFT)和二极管与每一色素相接,能使每一元素显示/关 闭。X 和Y 电极连于 TFT 排列的同一短路板上。开关信号打在 X 电极上,视频信号打在 Y 电极上。

问:何为偏光过程?

答: 偏光过程基本上即是使光朝一个方向照明。光为电磁波。电磁场沿著与光柱传播相垂直 的方向震动。这些磁场的方向即称为“偏光方向”。正常的或非偏光的光有不同方向的磁场; 偏光的光只有一个方向的磁场。

问:何为偏光片?

答: 偏光片是一种特殊塑料片,以一定偏光过程传送光,并从不同偏光方向吸收光。

问:静态矩阵 LCD 和动态矩阵 LCD 有何区别?

答: LCD 若非由静态矩阵 格即由动态矩阵 格制作。动态矩阵的晶体管放在每一像素交接 点上,需少量电流即能控制像素的亮度。因此,动态矩阵显示器的电流能够更加频繁的开关, 增进屏幕刷新时间(例如,你的鼠标似乎在屏幕上滑得更加平稳)。静态矩阵 LCD 具有一种 导体 格,其像素位于 格的每一交接点。

问:薄膜晶体管 LCD 的屏面如何显示?

答: TFT(薄膜晶体管)LCD 屏面上的每一纵横线都分别附有数据源驱动器和网关 驱动器。TFT 每个晶胞的漏极接上电极。液晶元素的分子排列依是否通上电压而有

所不同。它让光从液晶元素的不同排列中渗透出来,从而变换受过偏光处理的光的方向和光 量。当两个偏光过滤片垂直置于一个偏光光柱,从上方偏光屏面来的光随著液晶分子的螺旋结 构转向 90 度,穿过下面的偏光过滤片。通上电压,液晶分子从原来的螺旋结构变成垂直排 列,而光的方向也不再转向 90 度。在此情况下,从上面偏光屏面来的光则不会穿过下面的偏 光过滤片。

问: 与 CDT 相比,TFT LCD 的优势何在?

file:///E/manual/CHINA/150B4AGS/SAFETY/saf_faq.htm (7 of 9)2004-12-17 ¤W¤È 08:02:08

Page 32
Image 32
Philips 150B4AG, 150B4AS user manual :何为偏光过程?, :薄膜晶体管 Lcd 的屏面如何显示?, : 与 Cdt 相比,Tft Lcd 的优势何在?

150B4AS, 150B4AG specifications

The Philips 150B4AG is a compact and versatile 15-inch LCD monitor designed to meet the needs of both home and office users. This model combines a stylish design with a range of features that enhance productivity and provide an enjoyable viewing experience. With its focus on ergonomics and energy efficiency, the 150B4AG represents a reliable choice for professionals and casual users alike.

One of the standout features of the Philips 150B4AG is its impressive image quality. The monitor boasts a resolution of 1024 x 768 pixels, ensuring sharp and clear visuals for various applications, from document processing to multimedia viewing. The 16.7 million colors and a contrast ratio of 500:1 contribute to vibrant and lifelike images, making it suitable for graphic design, photo editing, and everyday tasks.

The monitor incorporates advanced display technologies that further enhance its performance. With the use of TFT LCD technology, users benefit from a fast response time, minimizing motion blur and ghosting effects, which is particularly important for fast-paced activities or video content. Additionally, the Philips 150B4AG features an anti-glare coating, reducing reflections and ensuring comfortable viewing even in brightly lit environments.

In terms of ergonomics, the 150B4AG is designed to be user-friendly. It offers tilt adjustment, allowing users to customize the monitor’s angle for optimal viewing comfort. This feature is especially beneficial for long work hours, helping to reduce eye strain and promote better posture. The compact size of the monitor makes it an excellent choice for environments with limited desk space.

Energy efficiency is another key characteristic of the Philips 150B4AG. It is engineered to consume less power, complying with the Energy Star standards, which not only helps reduce electricity bills but also supports eco-friendly initiatives. The monitor is built to last, with a robust design that ensures durability over time.

Connectivity options on the Philips 150B4AG include VGA and DVI ports, making it versatile for various devices. Users can easily connect it to computers, laptops, and other peripherals, enhancing its usability across different setups.

Overall, the Philips 150B4AG stands out as a reliable, high-performance monitor that balances functionality, ergonomic design, and energy efficiency, making it an ideal choice for those seeking a quality display solution.