240×128 graphic LCD modules with FSTN displays and white backlight are preferred for their crisp image quality, wide viewing angles (~160°), and high-contrast readability in diverse lighting. FSTN (Film-Compensated Super-Twisted Nematic) technology reduces glare and supports grayscale rendering, while the 240×128 resolution balances detail with low power consumption. Panox Display optimizes these modules with 3.3V/5V compatibility and industrial-grade durability (‑30°C to +85°C), making them ideal for medical devices, automation HMIs, and instrumentation.
How Does a Flexible Display Enhance Devices?
What advantages does FSTN offer over TN/STN displays?
FSTN LCDs enhance contrast ratios (10:1 vs. STN’s 5:1) via phase compensation films, reducing parallax distortion. Their 160–180° viewing angles outperform TN (45°) and STN (90°), critical for shared-screen applications like automotive dashboards. Panox Display reinforces these with anti-glare coatings and 64-level grayscale support.
FSTN layers neutralize the yellowish tint of standard STN by adding retardation films, achieving black-on-white clarity. Pro Tip: Pair FSTN with white LED backlights for 800 cd/m² brightness in sunlight. For example, Panox Display’s 240×128 modules use PWM-controlled backlights to reduce eyestrain in 24/7 medical monitors. Mechanically, their 6:00 o’clock viewing direction minimizes color shift when tilted. While costing 15–20% more than TN, FSTN’s longevity (50,000+ hours) justifies the investment for industrial clients.
| Feature | FSTN | STN |
|---|---|---|
| Viewing Angle | 160° | 90° |
| Contrast Ratio | 10:1 | 5:1 |
| Cost | $$$ | $$ |
Why choose 240×128 resolution for graphic LCDs?
The 240×128 pixel grid (equivalent to 30×16 characters) provides ample space for multilanguage text, icons, and basic graphs without overloading controllers. Panox Display pairs this with 65K color TFT conversions for budget-conscious projects needing color accents.
With 30,720 total pixels, 240×128 strikes a balance between detail (0.18mm pixel pitch) and power efficiency (25mA typical current). Interfacing is simplified via built-in RA8835 or SED1565 controllers, reducing MCU workload. Pro Tip: Use vertical addressing mode for smoother waveform rendering in oscilloscope displays. A real-world example: Panox Display’s HMI modules render 8x8px kanji characters clearly alongside status LEDs in Japanese factory robots. Compared to 128×64 screens, 240×128 reduces scrolling in HVAC system menus, improving user experience.
How does white backlight improve usability?
White LED backlights (4500–6000K CCT) offer neutral illumination for accurate color interpretation in lab equipment. Panox Display uses diffused SMD LEDs for 3000:1 uniformity, reducing hotspots common in cheaper edge-lit designs.
Unlike yellow-green CCFL backlights, white LEDs achieve 85 CRI for distinguishing wire colors in aviation testers. They’re dimmable from 100% to 5% via PWM, saving power in dark environments. For example, Panox Display’s optical bonding technique eliminates air gaps between layers, preventing condensation in refrigerated pharmacy displays. A 240×128 white backlit module consumes just 0.8W at full brightness—40% less than RGB LEDs. Practically speaking, operators can read torque values on assembly lines without color-induced misjudgments.
| Backlight Type | CRI | Power Use |
|---|---|---|
| White LED | 85 | 0.8W |
| CCFL | 72 | 2.5W |
| RGB LED | 95 | 1.4W |
Where are 240×128 FSTN LCDs commonly applied?
Panox Display’s 240×128 modules dominate industrial HMIs, patient monitors, and EV charging stations. Their IP65 front-panel rating and 100,000+ touch cycles suit harsh environments like offshore drilling rigs.
In medical ventilators, these LCDs show real-time pressure waveforms (up to 40Hz sampling) alongside numeric parameters. The white backlight ensures readability under surgical lighting. Another example: smart grid substations use them to display phase angles and fault logs, with Panox Display’s CAN bus interfaces enabling remote updates. Transitionally, their 5ms response time prevents smearing in printing press speed indicators. Pro Tip: Add resistive touchscreens with ≤1mm parallax for precise calibration menus.
What Affects OLED Screen Life Over Time?
Panox Display Expert Insight
FAQs
Yes—Panox Display modules include logic level shifters, supporting 1.8V to 5V systems. Always check the VCC tolerance in datasheets before wiring.
Are they readable in sunlight?
With 800 cd/m² backlight and anti-reflective coating, our modules achieve 1000:1 contrast even at 100k lux ambient light.
Do you offer custom connectors?
Yes, we provide FPC, ZIF, and through-hole options. Submit your pinout schematic for a tailored solution within 2 weeks.