TFTs

What is the main purpose of a thin film transistor?

• To amplify electric signals

• To switch and control current flow

• To generate electromagnetic radiation

• To store digital data

Which of the following materials is commonly used as a semiconductor layer in organic thin film transistors (OTFTs)?

• Silicon

• Germanium

• Copper

• Organic polymers

Which of the following statements about organic thin film transistors (OTFTs) is true?

• They have higher carrier mobility than inorganic TFTs

• They are primarily used in high resolution display technologies

• They can be deposited using low-cost solution-based techniques

• The are fabricated using inorganic semiconductors like amorphous silicon

What is the role of the gate electrode in a thin film transistor?

• It controls conductivity of semiconductor layer

• It emits light for display operation

• It provides structural support to the TFT

• It amplifies electric signals passing through the transistor

In an active matrix display, each pixel is typically associated with:

• Multiple TFTs

• A single TFT

• A resistor

• A diode

Which of the following characteristics make inorganic thin film transistors (TFTs) suitable for high-performance display technologies?

• Flexibility and low power consumption

• High carrier mobility and switching speeds

• Compatibility with roll-to-roll production

• Resistance to environmental factors

What is the primary function of the dielectric layer in a thin film transistor?

• To provide structural support

• To insulate gate electrode from semiconductor layer

• To control conductivity of semiconductor layer

• To store electrical charge

1. The primary function of thin film transistors in TFT-LCD displays is to

• 1. Emit light for display operation

• 1. Control the temperature of the liquid crystal material

• 1. Switch and control the state of each pixel

• 1. Filter colors for accurate color representation

When the gate voltage of a thin film transistor is below the threshold voltage, the transistor is in the

• ON state

• OFF state

• Saturation state

• Amplification state

The main carrier type in a thin film transistor can be..

• Electrons only

• Holes only

• Both electrons and holes

• Neither electrons nor holes