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### LCD Components.
#### Liquid Crystal Display (LCD) Components.
Liquid Crystal Display (LCD) is a common display technology used in electronic devices such as televisions, computer monitors, and smartphones. It consists of several key components that work together to produce the images we see on the screen.
1. **Glass Substrate**.
- The glass substrate is the base layer of the LCD panel. It provides a stable platform for the other components to be added onto.
2. **Polarizing Filters**.
- Polarizing filters are placed on the top and bottom of the glass substrate to control the direction of light passing through the display.
3. **Liquid Crystals**.
- Liquid crystals are the heart of an LCD. These organic molecules can change their orientation in response to an electric current, allowing them to control the passage of light through the display.
4. **Color Filters**.
- Color filters are used to produce colors on the screen by selectively filtering the white light produced by the backlight.
5. **Backlight**.
- The backlight is located behind the LCD panel and provides the necessary illumination for the display to be visible. Common types of backlights include LED and CCFL.
6. **Thin-Film Transistors (TFT)**.
- Thin-film transistors are used to control the voltage applied to each pixel on the display, allowing for precise control of the individual elements that make up the image.
7. **Glass Layers**.
- Glass layers are added on top of the liquid crystals to protect them and provide a smooth surface for the other components to be attached to.
8. **Driver Circuitry**.
- Driver circuitry is responsible for sending signals to the thin-film transistors to control the brightness and color of each pixel on the screen.
9. **Electrodes**.
- Electrodes are used to apply an electric current to the liquid crystals, causing them to change their orientation and control the passage of light through the display.
By understanding the components of an LCD, we can appreciate the complexity of this technology and how it enables the vibrant and clear images we see on our electronic devices. Each component plays a crucial role in the functioning of the LCD, working together seamlessly to create a visual experience for the user.
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