Amorphous silicon (a-Si) is one of the most commonly used thin-film transistor (TFT) technologies. TFTs control the flow of current to adjust the brightness of each pixel. Depending on their material properties, TFTs are classified as amorphous silicon, low-temperature polycrystalline silicon (LTPS), or oxide. Amorphous refers to a non-crystalline solid, meaning the atoms are arranged in a disorderly manner, unlike the orderly atomic arrangement of typical solids.  a-Si TFTs were widely used in early LCDs because they are relatively easy to manufacture, achieve screen uniformity, and are suitable for large displays. Thanks to its cost reduction and stable production advantages, a-Si TFT was recognized as a highly practical technology. 3p Comparison of TFT Crystal Structures a-Si (Amorphous silicon) / LTPS (Low-Temperature Polycrystalline Silicon) However, a-Si TFTs have a limitation: the disordered arrangement of silicon atoms results in low electron mobility. This leads to slower signal transmission. While this was not an issue for early low-resolution LCDs, it became a significant drawback for high-resolution displays due to reduced efficiency.  LTPS TFTs were developed to address this limitation. LTPS technology uses a laser to convert the disordered a-Si into a rather ordered polycrystalline silicon at low temperatures. This dramatically increases electron mobility by several hundred times, enabling much faster signal transmission. 
Amorphous silicon (a-Si) is one of the most commonly used thin-film transistor (TFT) technologies. TFTs control the flow of current to adjust the brightness of each pixel. Depending on their material properties, TFTs are classified as amorphous silicon, low-temperature polycrystalline silicon (LTPS), or oxide. Amorphous refers to a non-crystalline solid, meaning the atoms are arranged in a disorderly manner, unlike the orderly atomic arrangement of typical solids.  a-Si TFTs were widely used in early LCDs because they are relatively easy to manufacture, achieve screen uniformity, and are suitable for large displays. Thanks to its cost reduction and stable production advantages, a-Si TFT was recognized as a highly practical technology. 3p Comparison of TFT Crystal Structures a-Si (Amorphous silicon) / LTPS (Low-Temperature Polycrystalline Silicon) However, a-Si TFTs have a limitation: the disordered arrangement of silicon atoms results in low electron mobility. This leads to slower signal transmission. While this was not an issue for early low-resolution LCDs, it became a significant drawback for high-resolution displays due to reduced efficiency.  LTPS TFTs were developed to address this limitation. LTPS technology uses a laser to convert the disordered a-Si into a rather ordered polycrystalline silicon at low temperatures. This dramatically increases electron mobility by several hundred times, enabling much faster signal transmission. 
Amorphous silicon (a-Si) is one of the most commonly used thin-film transistor (TFT) technologies. TFTs control the flow of current to adjust the brightness of each pixel. Depending on their material properties, TFTs are classified as amorphous silicon, low-temperature polycrystalline silicon (LTPS), or oxide. Amorphous refers to a non-crystalline solid, meaning the atoms are arranged in a disorderly manner, unlike the orderly atomic arrangement of typical solids.  a-Si TFTs were widely used in early LCDs because they are relatively easy to manufacture, achieve screen uniformity, and are suitable for large displays. Thanks to its cost reduction and stable production advantages, a-Si TFT was recognized as a highly practical technology. 3p Comparison of TFT Crystal Structures a-Si (Amorphous silicon) / LTPS (Low-Temperature Polycrystalline Silicon) However, a-Si TFTs have a limitation: the disordered arrangement of silicon atoms results in low electron mobility. This leads to slower signal transmission. While this was not an issue for early low-resolution LCDs, it became a significant drawback for high-resolution displays due to reduced efficiency.  LTPS TFTs were developed to address this limitation. LTPS technology uses a laser to convert the disordered a-Si into a rather ordered polycrystalline silicon at low temperatures. This dramatically increases electron mobility by several hundred times, enabling much faster signal transmission. 
Amorphous silicon (a-Si) is one of the most commonly used thin-film transistor (TFT) technologies. TFTs control the flow of current to adjust the brightness of each pixel. Depending on their material properties, TFTs are classified as amorphous silicon, low-temperature polycrystalline silicon (LTPS), or oxide. Amorphous refers to a non-crystalline solid, meaning the atoms are arranged in a disorderly manner, unlike the orderly atomic arrangement of typical solids.  a-Si TFTs were widely used in early LCDs because they are relatively easy to manufacture, achieve screen uniformity, and are suitable for large displays. Thanks to its cost reduction and stable production advantages, a-Si TFT was recognized as a highly practical technology. 3p Comparison of TFT Crystal Structures a-Si (Amorphous silicon) / LTPS (Low-Temperature Polycrystalline Silicon) However, a-Si TFTs have a limitation: the disordered arrangement of silicon atoms results in low electron mobility. This leads to slower signal transmission. While this was not an issue for early low-resolution LCDs, it became a significant drawback for high-resolution displays due to reduced efficiency.  LTPS TFTs were developed to address this limitation. LTPS technology uses a laser to convert the disordered a-Si into a rather ordered polycrystalline silicon at low temperatures. This dramatically increases electron mobility by several hundred times, enabling much faster signal transmission.