21.5 Inch
Sunlight Readable Display
High-Luminance 21.5“ Sunlight Readable LCD. 1,000-5,000 Nits.
Our **21.5 inch sunlight readable display** solutions are engineered for peak visibility in extreme ambient light. Featuring Hi-Tni technology (110°C) and **3H anti-glare coating** to ensure 24/7 reliability for outdoor infrastructure.
Featured 21.5 inch Models
Versatile 21.5 inch Full HD industrial displays for high-ambient light applications.
Technical Tiering & Model Selection
Selection criteria for 21.5“ sunlight readable LCD based on environmental luminance and thermal load.
light_mode Luminance Application Guide
| Brightness | Typical Environment |
|---|---|
| 1000 - 1500 nits | Shaded outdoor kiosks, industrial HMI, indoor retail windows. |
| 2000 - 2500 nits | Direct sunlight, semi-outdoor EV chargers, public wayfinding. |
| 3000 - 5000 nits | Extreme solar exposure, desert/tropical signage, high-reflection surfaces. |
| Hi-Tni (110°C) | Mandatory for all unshaded installations to prevent blackening. |
grid_view 21.5" Architecture Choices
| Feature | FHD Series (IPS) | Wide-Temp Series (Hi-Tni) |
|---|---|---|
| Resolution | 1920 x 1080 (16:9) | 1920 x 1080 (16:9) |
| Viewing Angle | 89° / 89° / 89° / 89° | 89° / 89° / 89° / 89° |
| Color Depth | 16.7M (8-bit) | 16.7M (8-bit) |
| Solar Stability | Standard (65°C) | Advanced (110°C) |
Download Technical Datasheet
Access full engineering specifications, including mechanical drawings, pin-out diagrams, optical characteristics, and power consumption charts for the RS215 series.
Engineering Beyond Environmental Limits.
Standard displays fail in the heat and glare of the real world. Our 21.5 inch platform is purpose-engineered to neutralize environmental failure modes.
Sunlight Washout
Ambient light on a clear day can exceed 10,000 lux. A standard 300-nit panel acts like a mirror, making navigation and payment UIs completely unreadable.
We calibrate our 21.5 inch modules with luminance reaching 1,000 to 5,000 nits, combined with high-efficiency optical films for peak visibility.
Thermal Blackening
Enclosed outdoor panels absorb intense solar heat. Standard liquid crystals blacken at 65°C, resulting in permanent dead zones and costly panel replacements.
Our Hi-Tni LCD materials remain stable up to 110°C, maintaining image integrity in extreme desert or rooftop environments.
Interactive Failure
In EV charging or industrial use, users often wear gloves or use the screen in the rain. Standard touch systems often trigger ghost touches or fail to respond.
Our Industrial PCAP touch is tuned to reject water noise and detect thick work gloves, ensuring 24/7 reliability.
The 5 Pillars of Sunlight Readability.
RisingStar integrates proprietary technologies to ensure our 21.5 inch displays deliver the world's most resilient visual experience.
High-Bright WLED
Industrial LED backlights delivering 1,000–5,000 nits with >85% uniformity.
Hi-Tni Crystals
Solar-resilient liquid crystals that remain stable up to 110°C (Isotropic State).
Optical Bonding
Eliminates air gaps, improves contrast by 40%, and prevents internal fogging.
Ruggedized PCAP
Multi-touch controllers tuned for gloved-hand operation and rain-rejection.
AR/AG Coatings
Anti-Reflective and Anti-Glare treatments to reduce surface mirror effects.
A Global Standard for Modern Infrastructure.
Retail Windows
2,500–3,500 nits
Combat window reflections and direct afternoon sun. Auto-dimming ensures night-time compliance and energy efficiency.
- FHD / IPS Panel
- Anti-Reflection Coating
- Smart Light Sensor
EV Charging Hubs
1,500–2,500 nits
Mission-critical HMI for public charging. Engineered for gloved operation and high-temperature solar stability.
- Hi-Tni (110°C) Protection
- Water-Rejection PCAP
- IK10 Vandal Glass
Outdoor Kiosks
2,500–5,000 nits
The global standard for wayfinding and advertising. Designed for 24/7 exposure in any climate.
- Optical Bonding
- UV-Resistant Surface
- IP66 Sealed Design
Industrial HMI
1,000–1,500 nits
High-precision monitoring for automation. Glove-touch ready for manufacturing and food processing.
- Wide-Temp (-20~70°C)
- Conformal PCB Coating
- Glove-Detection FW
Industrial Specification Benchmarks.
Up to 5,000 nits
Extreme sunlight readability for direct sun
Up to 110°C (Hi-Tni)
Isotropic state protection in intense solar heat
1920 x 1080 FHD
High-density visual precision (16:9)
Glove & Rain PCAP
Multi-touch with industrial tuning
3-Year Industrial
Global standard for mission-critical projects
IP65 / IP66 / IP69K
Dust and water ingress protection for washdown
Seamless Industrial Integration.
Our 21.5“ sunlight readable LCD modules are designed for rapid deployment into existing enclosure architectures.
Electrical Interfaces
Support for 30-pin LVDS (Dual Channel 8-bit) and 30-pin eDP (2-lane) interfaces, ensuring compatibility with modern industrial SBCs and media players.
PWM Dimming Logic
Built-in LED drivers with 5%–100% PWM dimming range. Easily integrate ambient light sensors for automatic brightness adjustment.
Mechanical Consistency
Standardized mechanical dimensions (476.6 x 268.1 mm active area) enable interchangeable panel usage without enclosure redesign.
Industrial Manufacturing Excellence
Operating from a **4,000 m² ISO 9001-certified facility** with Class 10,000 cleanrooms. Each 21.5“ sunlight readable LCD undergoes a 72-hour high-temperature burn-in test to guarantee thermal stability and long-term performance.
50,000H
Backlight Longevity
72 Hours
Thermal Burn-in Test
3 Years
Industrial Warranty
Class 10k
Cleanroom Assembly
Expert Q&A
Technical insights into 21.5 inch sunlight readable LCD technology.
Yes. Our industrial panels are rated for operation from -20°C to 70°C, with custom options available for even harsher climates down to -30°C. We use industrial-grade components that prevent crystal sluggishness in sub-zero environments.
While not mandatory, it is highly recommended for marine and high-humidity environments. By filling the air gap between the LCD and cover glass, we reduce internal reflections, improve contrast by 40%, and eliminate the possibility of internal condensation.
Absolutely. Our outdoor-tuned PCAP touch controllers are programmed to reject water droplets and detect gloved fingers accurately, providing a seamless user experience for EV chargers and medical applications.
Direct sun exposure causes standard liquid crystals to reach their isotropic state at 65°C. Our Hi-Tni technology uses specialized liquid crystal materials that remain stable up to 110°C, preventing thermal blackening without active cooling.
Ready to Engineer Your
21.5 Inch Outdoor Solution?
Consult with RisingStar's technical team today to customize a high-brightness solution for your specific enclosure requirements.
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