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. 171-4097
Mfr. Part No.BU9796AMUV-E2
BrandROHM
HK$4.11
Each (On a Reel of 2500)
units
- 48 768Hz 1 μA Surface Mount VQFN 24 2.5 → 5.5 V 4 x 4 x 1mm 1mm 4mm 4mm +85 °C -40 °C
RS Stock No. 171-4108
Mfr. Part No.BU9795AKV-E2
BrandROHM
HK$12.452
Each (In a Pack of 5)
units
- 140 768Hz 1 μA Surface Mount VQFP 48 2.5 → 5.5 V 7 x 7 x 1.4mm 1.4mm 7mm 7mm +85 °C -40 °C
RS Stock No. 171-4093
Mfr. Part No.BU97510CKV-ME2
BrandROHM
HK$8.643
Each (On a Reel of 1000)
units
- 216 600kHz 5 μA Surface Mount VQFP 64 2.7 → 6 V 10 x 10 x 1.4mm 1.4mm 10mm 10mm +85 °C -40 °C
RS Stock No. 185-0968
Mfr. Part No.BU9799KV-E2
BrandROHM
HK$10.291
Each (In a Pack of 10)
units
- 200 104Hz 20 μA Surface Mount VQFP 64 2.5 → 5.5 V 10 x 10 x 1.4mm 1.4mm 10mm 10mm +85 °C -40 °C
RS Stock No. 171-4112
Mfr. Part No.BU9796AFS-E2
BrandROHM
HK$7.456
Each (In a Pack of 5)
units
- 80 768Hz 1 μA Surface Mount SSOP 32 2.5 → 5.5 V 13.6 x 5.4 x 1.8mm 1.8mm 5.4mm 13.6mm +85 °C -40 °C
RS Stock No. 171-4116
Mfr. Part No.BU9796AMUV-E2
BrandROHM
HK$6.226
Each (In a Pack of 5)
units
- 48 768Hz 1 μA Surface Mount VQFN 24 2.5 → 5.5 V 4 x 4 x 1mm 1mm 4mm 4mm +85 °C -40 °C
RS Stock No. 752-7341
Mfr. Part No.BU9795AGUW-E2
BrandROHM
HK$471.61
Each
units
- 31 104Hz - Surface Mount VBGA 48 3.3 V, 5 V 4 x 4 x 0.9mm 0.9mm 4mm 4mm +85 °C -40 °C
RS Stock No. 185-0965
Mfr. Part No.BU9799KV-E2
BrandROHM
HK$6.147
Each (On a Reel of 1000)
units
- 200 104Hz 20 μA Surface Mount VQFP 64 2.5 → 5.5 V 10 x 10 x 1.4mm 1.4mm 10mm 10mm +85 °C -40 °C
RS Stock No. 171-4099
Mfr. Part No.BU97510CKV-ME2
BrandROHM
HK$13.048
Each (In a Pack of 5)
units
- 216 600kHz 5 μA Surface Mount VQFP 64 2.7 → 6 V 10 x 10 x 1.4mm 1.4mm 10mm 10mm +85 °C -40 °C
RS Stock No. 185-1036
Mfr. Part No.BU97931FV-E2
BrandROHM
HK$14.548
Each (In a Pack of 5)
units
- 112 - 48 μA Surface Mount SSOP 40 1.8 → 3.6 V, 2.7 → 5.5 (LCD) V 13.6 x 5.4 x 1.8mm 1.8mm 5.4mm 13.6mm +85 °C -40 °C
RS Stock No. 171-4095
Mfr. Part No.BU9795AKV-E2
BrandROHM
HK$8.201
Each (On a Reel of 1500)
units
- 140 768Hz 1 μA Surface Mount VQFP 48 2.5 → 5.5 V 7 x 7 x 1.4mm 1.4mm 7mm 7mm +85 °C -40 °C
RS Stock No. 171-4096
Mfr. Part No.BU9796AFS-E2
BrandROHM
HK$5.729
Each (On a Reel of 2000)
units
- 80 768Hz 1 μA Surface Mount SSOP 32 2.5 → 5.5 V 13.6 x 5.4 x 1.8mm 1.8mm 5.4mm 13.6mm +85 °C -40 °C
RS Stock No. 185-0964
Mfr. Part No.BU97931FV-E2
BrandROHM
HK$8.673
Each (On a Reel of 2000)
units
- 112 - 48 μA Surface Mount SSOP 40 1.8 → 3.6 V, 2.7 → 5.5 (LCD) V 13.6 x 5.4 x 1.8mm 1.8mm 5.4mm 13.6mm +85 °C -40 °C
RS Stock No. 171-4094
Mfr. Part No.BU9794AKV-E2
BrandROHM
HK$10.782
Each (On a Reel of 1000)
units
- 200 768Hz 1 μA Surface Mount VQFP 64 2.5 → 5.5 V 10 x 10 x 1.4mm 1.4mm 10mm 10mm +85 °C -40 °C
RS Stock No. 171-4103
Mfr. Part No.BU9794AKV-E2
BrandROHM
HK$16.272
Each (In a Pack of 5)
units
- 200 768Hz 1 μA Surface Mount VQFP 64 2.5 → 5.5 V 10 x 10 x 1.4mm 1.4mm 10mm 10mm +85 °C -40 °C