240*128 STN Blue LCD Module negative with RA6963 display screen
Description of 240*128 STN Blue LCD Module
STN stands for "Super-Twisted Nematic," and it refers to a type of LCD (Liquid Crystal Display) technology. STN LCDs were commonly used in displays for various devices, such as calculators, watches, and early mobile phones.
STN LCDs work by utilizing liquid crystals that twist under the influence of an electric field. This twisting effect changes the polarization of light passing through the liquid crystal layer, allowing the display to control the transmission or blocking of light. The twisted nematic structure of STN LCDs provides a wider viewing angle compared to older TN (Twisted Nematic) LCDs.
However, STN LCDs have some limitations. They generally have slower response times compared to newer LCD technologies like TFT (Thin-Film Transistor) and IPS (In-Plane Switching). This slower response time can lead to motion blur or ghosting effects, which may not be suitable for applications that require high-speed image updates. Additionally, STN LCDs often have limited color reproduction and lower contrast ratios compared to more advanced display technologies.
In recent years, STN LCD technology has been largely surpassed by newer, more advanced display technologies like TFT-LCD and OLED (Organic Light-Emitting Diode). These newer technologies offer improved image quality, faster response times, wider color gamuts, and higher contrast ratios.
| Item |
STANDARD Value |
| LCD Display Type |
STN/ Transmissive |
| LCD Display Mode |
Negative |
| Recommended Viewing Direction |
6 O'clock |
| Driver |
RA6963 |
| Dot Matrix |
240*128 |
| Logic Supply Voltage |
5.0v |
| Duty&Bias |
1/128 Duty 1/16 Bias |
| Top & Tst |
-20˚C ~ +70˚C &-30˚C-~+80˚C |
Applications of STN LCD Modules
STN LCDs have been widely used in various applications, particularly in the past when they were more common. While they have been largely surpassed by newer display technologies, here are some of the historical applications where STN LCDs were commonly found:
Calculators: STN LCDs were extensively used in calculators due to their low power consumption and simple character-based displays. These displays could show numeric digits, symbols, and basic alphanumeric characters.
Watches: Many digital watches used STN LCDs for their displays. STN LCDs offered low power consumption, thin form factors, and the ability to display time, date, and other basic information.
Mobile Phones: In the early days of mobile phones, STN LCDs were popular due to their low cost and power efficiency. However, as technology advanced, TFT-LCD and later OLED displays became the standard in mobile phones due to their improved image quality and faster response times.
Industrial Control Systems: STN LCDs found applications in various industrial control systems, including process control panels, factory automation displays, and instrumentation panels. They were used to display text, numeric values, and simple graphical information.
Automotive Displays: STN LCDs were used in automotive applications such as dashboard displays, car radios, and navigation systems. They were capable of showing basic information like speed, fuel level, and radio station.
Medical Devices: Some medical devices utilized STN LCDs for displaying patient data, monitoring vital signs, or providing simple user interfaces.
Consumer Electronics: STN LCDs were also found in devices like digital cameras, portable gaming consoles, and small handheld devices. They provided basic display capabilities for these portable electronic devices.
1. We specializing in the design, development and production of LCD display module full scheme for more than 10years. Each product undergoes professional design, debugging, production and quality inspection to ensure that the product meets shipping standards.
2. Broad selection of off the shelf products can be chosen and most products are kept in stock and can ship same day.
3. We also offer customed services for you, and can provide drawings and procedures for customers to confirm.
4. Our products offer sunlight readable options , and each display offers capacitive and resistive options
5. We provide reliable warranty service and the warranty preriod is one year.
Packaging : All the products are packed in right way to keep it safe. For small sizes of products we often use tray + carton, and for bigger sizes we use foam slot + carton. Also we can design packages to meet customers' requirements.
Shipping : For small quantity orders: We often ship by UPS Air-Express, or DHL/FEDEX/TNT/ EMS Express service. And For large quantity orders: we ship by buyer's cargo agent in China. Also, we can ship by air or sea transportation by our cargo agent.
Delivery Time:
Ready-made Sample: within 1 week
Custom Sample: 1~2 weeks
Mass production: 3-4 weeks
1. Do you offer customized service?
-Yes, we offer OEM&ODM service and send us your requirements.
2. What payment methods do you accept?
-We accept via TT/West Union/Paypal.
3.Do you provide samples?
-Yes, we offer sample but you need to pay sample fee and delivery fee.
4. How long does it take to produce the product?
-It depends on the product you need. Different needs determine the production time
5. What's the process for placing an order?
-PO is placed by clients → PI is issued by Royal Display → Payment by clients → Lead time is confirmed by Royal Display → Shipping instrction by Clients → Delivery → Cargo tracking → Receipt of cargo
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