What is a wide-temperature, high-brightness industrial LCD screen? Analysis of key parameters and performance of wide-temperature LCD screens.
News 2025-12-22
In the field of industrial displays, the operating environment of equipment is often more complex than that of consumer electronics. High temperatures, low temperatures, strong light, and humidity all place higher demands on LCD screens. Therefore, wide-temperature, high-brightness industrial LCD screens have emerged as the preferred display solution for industrial control equipment, medical terminals, and outdoor instruments.
What is a wide-temperature, high-brightness industrial LCD screen?
Wide-temperature LCD screens
These screens can operate stably over a wider temperature range than ordinary LCD screens. Ordinary LCD screens typically operate from 0℃ to 50℃, while wide-temperature LCD screens generally cover -20℃ to 70℃, with some high-end models even reaching -30℃ to 80℃.
High-brightness LCD screens
These screens have significantly higher brightness than consumer-grade screens (typically 200~300 cd/m²), reaching 500~1500 cd/m², maintaining clear visibility even in strong sunlight, outdoor, or semi-outdoor environments.
These screens are commonly found in: in-vehicle terminals, charging piles, military equipment, mining exploration equipment, outdoor self-service machines, and industrial control terminals.
Main Indicators and Parameters of Wide Temperature Industrial LCD Screens
Operating Temperature Range
Standard LCD Screen: 0℃ ~ 50℃
Wide Temperature LCD Screen: -20℃ ~ 70℃ (Mainstream)
High Reliability Model: -30℃ ~ 80℃ (Extreme Environments)
Storage Temperature Range
Wideer storage conditions, generally between -30℃ and 85℃, ensuring no damage during transportation and downtime.
Brightness
Industrial Standard: ≥500 cd/m²
Outdoor Visibility: 800~1500 cd/m²
High brightness design usually combined with anti-glare treatment to ensure readability even under direct sunlight.
Contrast Ratio
Industrial LCD screens generally have a contrast ratio of 800:1 ~ 1200:1, with some high-brightness models reaching 1500:1 to enhance the display’s depth under strong light.
Viewing Angle
Standard TN panels have a viewing angle of approximately 70°~90°, while wide-temperature screens using IPS technology can achieve a full 178° viewing angle, ensuring clear readability during multi-angle operation.
Backlight Lifespan
Industrial applications require long-term operation; LED backlight lifespan is generally ≥50,000 hours, with high-end models reaching 70,000 hours.
Resolution
Depending on size, resolution ranges from 800×480 (7-inch) to 1920×1080 (15.6-inch and above). Resolution directly determines the level of detail.
Response Time
Wide-temperature screens need to maintain a fast response time even at low temperatures, typically 8ms~20ms, to avoid severe ghosting at low temperatures.
Interface Type
Common interfaces include LVDS, eDP, HDMI, and MIPI, which must be compatible with the terminal’s main control board.
Surface Treatment
Anti-glare (AG), anti-reflective (AR), and anti-fingerprint (AF) processes ensure visibility even in complex environments.
Wide-temperature, high-brightness industrial LCD screens utilize multiple design methods, including material optimization, structural reinforcement, and driver circuit adaptation, to ensure stable display even in extreme temperatures and strong light environments.
Key parameters include: operating temperature range, brightness, contrast ratio, viewing angle, backlight lifespan, and response time.
It is recommended to select the appropriate model based on the actual application scenario (outdoor high-intensity light, cold environment, long lifespan requirements). For example:
Extremely cold environments: Choose a screen with a temperature range starting from -40°C (e.g., AA121TJ01);
Strong light reading environments: Preferably ≥1500 cd/m²;
Long lifespan requirements: Choose a model with a backlight lifespan of 70K~100K hours.
The following are representative models from the official website of LEEHON Technology for your reference.
| Model | Size | Brightness | Operating Temperature | Contrast/Viewing Angle | Backlight Lifespan |
| P1160FHF1MA00（TIANMA） | 11.6″ | 1600cd/m² | -20～80 °C | 900:1 / 88° | 30K h |
| LH121XN01 V0（LEEHON） | 12.1″ | 1000 cd/m² | -30～85 °C | 700:1 / 80° | 50K h |
| M070AWAD R0（IVO） | 7″ | ≥1000 cd/m² | -30～85 °C | 800:1 / 85° | |
| M156GWFA R0（IVO） | 15.6″ | 1000 cd/m² | -30～85 °C | 1000:1 / 85° | 30K h（Min） |
| TCG070WVLQGPNN-AN40（Kyocera） | 7″ | 1000 cd/m² | -30～80 °C | 750:1 / 85° | 70K h |
Wide-temperature high-brightness industrial LCD screen industry application examples
Charging piles and self-service terminals: Require 24/7 outdoor operation; high brightness and wide temperature range design ensure readability.
Medical monitoring equipment: Requires long-term operation in constant temperature environments, demanding high backlight lifespan and stability.
Transportation and energy monitoring: Outdoor signal equipment and power terminals must withstand strong light and temperature variations.
Military and exploration equipment: Maintains stable display in extreme outdoor environments.
The value of a wide-temperature, high-brightness industrial LCD screen lies in its ability to adapt to extreme temperatures and strong light environments while ensuring clear visibility and long-term operation. Key considerations during procurement:
Whether the operating temperature range meets the application environment;
Whether the brightness is sufficient for outdoor or semi-outdoor use;
Whether the backlight lifespan, viewing angle, and interfaces match the overall system requirements.
Hangzhou LEEHON Technology, a provider of LCD driver solutions for the industrial sector, has established deep partnerships with many leading global LCD panel manufacturers, including BOE, TIANMA, IVO, AUO, Innolux, and Kyocera, providing professional supply of multi-brand, full-series industrial-grade LCD displays and customized solutions.
