
Chip On Glass

TN LCD Technology
STN LCD
Superior Display Technology
for Professional Applications
STN (Super Twisted Nematic) LCD is an improved LCD technology developed on the basis of TN (Twisted Nematic) LCD technology. STN LCD has a higher twist angle of liquid crystal molecules and a higher pixel density, thus providing better display effects and performance. It performs well in some application scenarios that require high-quality display and is widely used in professional fields.

Major Partners
FSTN is the abbreviation of “Film compensated Super Twist Nematic”. It is a technology used in liquid crystal displays (LCDs). FSTN LCDs improve their response to angle changes and temperature changes by adding a special film to the liquid crystal layer. This film can reduce the color shift problem of liquid crystal at different temperatures and viewing angles, and improve the stability and viewing angle range of the display effect. Due to its excellent viewing angle and temperature characteristics, FSTN LCDs are often used in applications that require high reliability and stability, such as industrial control panels, instrumentation, and automotive dashboards.
The Main Differences
Between STN and FSTN Products
The main difference between STN (Super Twisted Nematic) and FSTN (Film-compensated Super Twisted Nematic) liquid crystal products lies in the improvement of their liquid crystal molecular arrangement and display effect.
STN (Super Twisted Nematic)
Liquid crystal molecular arrangement: In STN liquid crystal, the degree of twisting of liquid crystal molecules is higher than that of ordinary TN (Twisted Nematic) liquid crystal, which enables it to provide a larger optical rotation angle under a smaller electric field, thereby improving the contrast and brightness of the display effect.
Application Range
STN liquid crystal is usually used in applications that require higher contrast and brightness, such as portable game consoles, old calculators, instruments and meters, etc.
Here is Product Introduction of 10.4-inch STN LCD,
Which is Mainly Used in Consumer Electronics.
Despite the many advantages of COB packaging technology, there are some potential disadvantages in terms of repair, testing, welding technology, environmental sensitivity, design limitations and reliability, which need to be considered and balanced in practical applications.

Good Display Effect
Wide Application Range
Low Power Consumption
Environmentally Friendly
TECHNICAL
SPECIFICATIONS
Size
17 inch |
Contrast Ratio
1000:1 |
Interface Type
LVDS(2ch,8-bit) |
Brightness
250/350/450cd/m*,etc. |
LCD Type
TN |
Voltage Supply
3.3V |
Display Area
159.4*101mm |
Response Time
10/5(TYP.)(Tr/Td)ms |
Thickness
12mm |
Operating Tem.
-20°C~60°C |
Resolution
1280*RGB*1024 |
Best Viewing Angle
6 o’clock |
Frame Rate
60Hz |
Storage Tem.
0°C~50°C |
Dimension
341.72*274.14mm |
Surface Treatment
Hard Coating(3H) |
FSTN technology enhances the performance of standard STN liquid crystal displays by incorporating a compensation film. This film adjusts the twisting of liquid crystal molecules, significantly improving both contrast and viewing angle. As a result, FSTN displays offer superior visual clarity compared to STN, especially across a wider range of viewing angles. They also effectively minimize issues such as image distortion and color shift, making them ideal for applications that demand higher display quality.
High-End Applications
Due to these enhanced display characteristics, FSTN liquid crystal is commonly used in high-end applications where visual performance is critical. These include industrial control panels, medical equipment, automotive displays, and other professional environments where precise and reliable display output is essential.
Comparison to STN
While STN technology is suitable for general applications requiring improved contrast and brightness, FSTN is preferred for professional settings where higher display quality is needed. Its superior performance in both display effect and viewing angle makes FSTN the better choice for demanding applications, offering clearer, more accurate visuals.
Prospects
FSTN (Film Compensated Super Twisted Nematic) LCD technology retains its unique advantages in specific applications due to its high contrast and wide viewing angles. However, the rapid advancement of display technologies such as TFT (Thin Film Transistor), OLED (Organic Light Emitting Diode), and AMOLED (Active Matrix OLED) has diminished FSTN’s dominance in the market. These newer technologies offer superior color accuracy, higher resolutions, wider viewing angles, and lower energy consumption. As a result, they are increasingly replacing FSTN and other traditional LCD technologies in many high-end applications. Despite this shift, FSTN continues to hold value in niche markets where its specific strengths are beneficial.
Despite the growing dominance of newer display technologies, FSTN (Film Compensated Super Twisted Nematic) technology remains relevant and valuable in specific contexts, particularly where cost and energy consumption constraints are critical. Looking ahead, the development of FSTN technology may focus on several key areas:
Low-Cost and Low-Power Applications
FSTN technology is well-suited for portable devices that prioritize long battery life, such as electronic tags, portable measuring instruments, and certain wearable devices. Its low power consumption makes it an ideal choice for these applications, where maintaining extended operation time is essential.
Improvement and Innovation
Although FSTN may not compete with cutting-edge display technologies in mainstream high-end markets, there is potential to enhance its appeal through ongoing improvements. Innovations in materials, manufacturing processes, and integration with new features, such as touch screen technology or improved optical performance, can elevate FSTN’s display quality and user experience.
Specific Industry Applications
In certain industries, FSTN’s unique advantages—such as reliability and long-term stability—are still unmatched. It remains a valuable technology in applications requiring high durability and consistent performance, including industrial control panels, medical devices, and automotive displays.
Environment and Sustainability
With increasing emphasis on environmental impact, future developments in FSTN technology may focus on enhancing recyclability, energy efficiency, and extending service life. These advancements can help meet stricter environmental and sustainability standards, ensuring FSTN technology remains relevant in an evolving market.
Here is Product Introduction of 5.1-inch FSTN LCD, Which is Mainly Used in Automotive Displays.

Wide Range of Application
Wide Viewing Angle
Low Power Consumption
Strong Service Life
TECHNICAL
SPECIFICATIONS
While FSTN technology may no longer dominate all areas of display technology, it retains significant value in specific applications and market segments. Its unique characteristics, such as excellent contrast and wide viewing angles, make it well-suited for various environments and specialized uses. With ongoing technological innovation and optimization, FSTN continues to play a crucial role in these niche fields.
If you have specific requirements for FSTN displays, we offer customization services tailored to your needs. Our team can design and produce FSTN LCD screens that meet your exact specifications, ensuring the best possible display solutions for your project. Whether you’re working in industrial settings, outdoor environments, or any application that demands reliable and high-quality display performance, our FSTN technology is up to the task. We are committed to delivering personalized services that align with your project goals, providing you with the optimal solution for your display needs.
Size
5.1 inch |
Backlight Type
WLED |
Resolution
240*128,50 PPI |
Display Area
119.97*63.97mm |
Thickness
12mm |
Color Display
Single Color |
Viewing Angle
6 o’clock |
Outline Dimension
159.4*101mm |
Pixel Layout
Rectangle |
Storage Tem.
-20°C~60°C |
Operating Tem.
0°C~50°C |
Response Time
160/110(Tr/Td)ms |
Aspect Ratio
16:9 |
Contrast Ratio
20:1 |
Surface Treatment
Hard Coating(3H) |
Brightness
150/250/350cd/m*,etc |
Get Started with Kaihang Display
Our engineering LCD design team is dedicated to promptly reviewing your information, identifying any gaps, and providing you with an accurate quote tailored to your specific display requirements. Simply fill out the form below or reach out to us via email.