LCD Drivers

How does LCD (Liquid Crystal Display) driver work?

LCD is an array of liquid crystal segments. When not in an electrical field, crystals are organized in a random pattern, however, once the electric field is applied, the crystals align to the field. For driving a light through the aligned crystal field a light source is needed.

Passive and Active LCD Displays, what is the difference?

Passive LCD panels or STN LCDs consists of a grid of row and columns electrical signals. There is no charge stored at the segment and it may take multiple passes to correctly align the field to the desired value.

Active LCD drivers or TFT displays columns and rows are multiplexed to many different segments. The charge is stored at the transistor. One pass will set the aligned state of the transistor. A stronger backlight is needed than for a passive display.

Advantages of LCD displays
• LCD displays produce bright images because of their high peak intensity and they are suitable for environments that are brightly lit
• The durability of 50 thousand - 100 thousand hours
• Almost every industry uses them: military, consumer, medical, automotive, industrial and marine

Before you choose an LCD Driver, consider the requirements of your application and which types of displays are available to buy. With the right selection, RS Components can help to create the perfect LCD display module for your product.

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Description Price Number of Digits Number of Segments Maximum Clock Frequency Maximum Supply Current Mounting Type Package Type Pin Count Typical Operating Supply Voltage Dimensions Height Width Length Maximum Operating Temperature Minimum Operating Temperature
RS Stock No. 162-8878
Mfr. Part No.LC75890W-NH
HK$12.144
Each (On a Reel of 1000)
units
- 148 - 270 μA Surface Mount SQFP 48 2.7 → 3.6 V 7 x 7 x 1.5mm 1.5mm 7mm 7mm +85 °C -40 °C
RS Stock No. 121-9919
Mfr. Part No.LC75806PT-H
HK$33.707
Each (In a Tray of 450)
units
- 304 - 2.8 mA Surface Mount TQFP 100 4.5 → 6 V 14 x 14 x 1mm 1mm 14mm 14mm +85 °C -40 °C
RS Stock No. 805-1292
Mfr. Part No.LC75812PTS-8565-H
HK$46.44
Each
units
13 65 - 1 mA Surface Mount TQFP 100 2.7 → 3.6 V 14 x 14 x 1mm 1mm 14mm 14mm +85 °C -40 °C
RS Stock No. 805-1309
Mfr. Part No.LC75890W-NH
HK$19.375
Each (In a Pack of 4)
units
- 148 - 270 μA Surface Mount SQFP 48 2.7 → 3.6 V 7 x 7 x 1.5mm 1.5mm 7mm 7mm +85 °C -40 °C
RS Stock No. 162-8877
Mfr. Part No.LC75812PTS-8565-H
HK$40.798
Each (In a Tray of 450)
units
13 65 - 1 mA Surface Mount TQFP 100 2.7 → 3.6 V 14 x 14 x 1mm 1mm 14mm 14mm +85 °C -40 °C
RS Stock No. 121-9920
Mfr. Part No.LC75890W-2H
HK$18.415
Each (In a Tray of 1250)
units
- 148 - 270 μA Surface Mount SQFP 48 2.7 → 3.6 V 7 x 7 x 1.5mm 1.5mm 7mm 7mm +85 °C -40 °C
RS Stock No. 805-1289
Mfr. Part No.LC75806PT-H
HK$44.07
Each
units
- 304 - 2.8 mA Surface Mount TQFP 100 4.5 → 6 V 14 x 14 x 1mm 1mm 14mm 14mm +85 °C -40 °C
RS Stock No. 805-1299
Mfr. Part No.LC75890W-2H
HK$21.484
Each (In a Pack of 5)
units
- 148 - 270 μA Surface Mount SQFP 48 2.7 → 3.6 V 7 x 7 x 1.5mm 1.5mm 7mm 7mm +85 °C -40 °C