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The TFT LCD screen's technical and functional characteristics

Views: 263     Author: Wendy     Publish Time: 2023-06-14      Origin: Site

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The TFT LCD screen's technical and functional characteristics

Each liquid crystal pixel on the liquid crystal display is powered by a thin film transistor integrated beneath it, allowing for high-speed, high-brightness, and high-contrast information presentation. This is referred to as a TFT liquid crystal screen.

Technical details of a TFT LCD display:

The 1990s saw the development of TFT technology. It is a large-scale manufacturing technology for semiconductor complete integrated circuits that makes use of novel materials and procedures. It is a flat panel display using liquid crystal (LC), inorganic, and organic thin film electroluminescence (EL and OEL).

1.Large area:

In the early 1990s, the first generation of a large-area glass substrate TFT-LCD production line (300mm x 400mm) went into operation. The size of the glass substrate has increased to 680mm by 880mm by the first half of 2000. Recently, the 950mm x 1200mm glass substrate will also be used;

2.Strong capabilities:

TFT was originally applied as a matrix addressing circuit to enhance liquid crystals' light valve properties. LCDs may produce high-quality high-resolution displays because voltage regulation in the range of 0-6V (typical value 0.2 to 4V) allows for fine control of object elements for high-resolution displays;

3. Low cost:

Glass substrates and plastic substrates essentially address the cost issue with large-scale semiconductor integrated circuits, hence expanding the range of applications for these devices;

4. Flexible process:

Laser annealing technology has started to be used in addition to sputtering, CVD (chemical vapor deposition), MCVD (molecular chemical vapor deposition), and other conventional film forming processes. This technology can be used to produce amorphous films, polycrystalline films, and single crystal films. Other II-VI and III-V semiconductor thin films, in addition to silicon films, can also be created;

5. It may be used for a variety of purposes:

The foundational industry of the information society is the development of LCD flat panel displays based on medical TFT LCD screen equipment technology. Its technique is applicable to the organic electroluminescent (TFT-OLED) flat panel, which is constantly expanding. Displays are expanding quickly as well.

Aspects of TFT:

As TFT technology reached its peak in the early 1990s, color liquid crystal flat-panel displays advanced quickly. TFT-LCD has quickly become a common display screen in less than ten years, which is inextricably linked to its benefits.

1. Positive qualities of usage

increased safety and reliability in solidification, low driving voltage and low voltage application. It saves a lot of raw materials and space because it is flat and thin. Low power consumption—it uses roughly one tenth of the power of a CRT display, while the reflecting TFT-LCD uses just around one percent of the electricity of a CRT. This results in significant energy savings. TFT-LCD goods also have a number of qualities, including standard models, serialized sizes, different kinds, easy maintenance, update, and upgrade, and a lengthy useful life;

2. Features that promote environmental protection

No radiation, no flicker, and no harm to users' health. A revolution in how people learn, communicate, and document civilisation will be sparked, in particular, by the development of TFT-LCD electronic books, which will usher in an era of paperless offices and paperless printing.

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