In the Internet age, monitors are used everywhere. They belong to the I/O devices of computers, that is, input and output devices.
They are a display tool that transmits certain electronic files to the screen through a specific transmission device and then reflects them to the human eye.
They can be divided into CRT, LCD and other types.
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Considering different application requirements and usage environments, monitors are constantly upgrading and changing. The most direct feeling for everyone is that the display accuracy and clarity are gradually improved, and the RGB color gamut is becoming wider and wider. The above are the dominant characteristics of commercial monitors, which are widely used in daily applications. In industrial monitors, the factors for application improvement are not as simple as high definition and high pixels. It involves more realistic environments, such as power consumption, current, wide voltage, static electricity, dustproof, waterproof, scratch, water vapor atomization, high brightness display, contrast, viewing angle, etc., specific environment, specific requirements.
Today we will introduce the high brightness characteristics of industrial monitors, and how to prevent water mist from appearing on the screen in outdoor environments with large temperature differences?
Since most flat panel displays are used in indoor environments, the brightness is about 250-300cd/m2 (nits). However, displays of this brightness level cannot meet the requirements when used in industrial environments. This is because the ambient light will be stronger and its brightness can easily exceed the brightness of the LCD backlight. In common medical, industrial and public telephone booth applications, the required brightness is at least 450cd/m2, or even higher.
The high brightness feature of the display refers to increasing the brightness and contrast of the display to 2.5 times that of ordinary displays. It can solve the problem that the display screen is dim and cannot be seen clearly in a well-lit environment. At this time, the display must reach a certain brightness so that people can see the screen clearly. Similarly, in dimly lit scenes, the screen must reduce its brightness to adapt to the surrounding light and avoid irritating the human eye.
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If the common environment of the display device is constant, then the screen display brightness should not change, such as in a dim factory or a factory where the lights are turned on day and night. But more often, in outdoor use scenarios, the application of the display needs to adjust itself with the changes in time and light intensity to adapt to the surrounding light intensity, so as to better serve the human eye and capture the content on the display without being affected by light.
The self-adjustment of the display brightness is a protection for the device itself.
As an electronic device, the display can burn out due to long-term work. Therefore, from the perspective of maintenance, when not in use, the display needs to be turned off or the brightness of the display needs to be reduced. Otherwise, after a long time, it will cause internal burnout or aging. Once this damage occurs, it is permanent and irreversible. In addition, if a fixed content is displayed continuously for a long time, some LCD pixels will overheat and then burn out internally. From the above content, we can see the advantages of self-adjustment of the display brightness.
The application scenarios of the display are wide, and the use environment is complex and changeable, which requires the display to have a wider adaptability boundary. Not only can it meet the wind, rain and sun in different seasons, but also when it is powered on, the board and screen materials have a final lifespan, and these external conditions will accelerate the aging of the display.
The water mist problem of outdoor display screens is caused by the display's own material, structure and environmental changes. When the air flow encounters a large temperature difference between morning and evening outdoors, coupled with the heat generated by the display when it is running, water vapor will be generated inside and outside the screen within a certain period of time, and water flow will occur in severe cases. The conventional response method is to waterproof the outside of the screen and use the LCD frame sticker process on the side to complete the closed management, so as to avoid water mist inside and affect the operation of the whole machine.
Key Features for Water Mist Resistance:
To combat the effects of water mist, high brightness industrial monitors incorporate several critical features:
1. Waterproof and Dustproof Ratings:
These monitors often meet IP65 or higher ratings, indicating that they are completely protected against dust and can withstand low-pressure water jets from any direction. This ensures that no water or moisture can penetrate the internal components, preventing damage and ensuring long-term reliability.
2. Gorilla Glass Protection:
Many models utilize toughened glass such as Corning Gorilla Glass, providing not only impact resistance but also an additional barrier against water ingress.
3.Sealed Enclosures:
The use of sealed enclosures prevents water droplets from entering the display area, protecting sensitive electronics and maintaining clear visibility.
4. Anti-Condensation Measures:
Some advanced models include heating elements or air circulation systems to prevent condensation inside the enclosure, which can occur when there are rapid temperature changes.
Outdoor Applications:
1000 nit industrial monitors find extensive use in various outdoor settings, including public transportation hubs, construction sites, marine environments, and outdoor advertising.
Their ability to resist water mist makes them particularly suitable for regions prone to high humidity and frequent rainfall.
The display often encounters some problems during use. We can discover them during the maintenance process and continuously improve the design so that the application of the display can meet more applications, environments and users.
