What should we pay attention to in protecting LCD displays?

Today, as the price of LCD panels continues to drop, the price of LCD displays has also dropped sharply. The major machine manufacturers have not given up the opportunity to launch different grades of desktop products with LCD screens as the selling point. I am sure many of my friends have already purchased the machine of their choice. So how to better use and maintain the machine, then let&#;s talk about how to maintain the LCD display screen, after all, it occupies a large part of the entire purchase cost!

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LCD panels have the advantages of lightness, thinness, beauty, health, and energy-saving, which have won the love and favor of the majority of consumer groups. Various types of customers will tend to choose LCD panels, such as ip65, and ip67 LCD displays. But the expensive and fragile features also make many users to have a headache in the process of use and maintenance. In order to let you know more about the maintenance of the LCD display, we will provide you with a few experiences through data collection, hoping to give you some help.

1. Water is the enemy of the LCD display screen

Water is the first natural enemy of liquid crystals. If the LCD display of a mobile or electronic watch is exposed to water or operated in a high humidity environment, the digital image on the LCD display can become blurred or even invisible. It can be seen that the destructive power of water vapor on the LCD screen is amazing. Therefore, it is necessary to place the LCD screen in a relatively dry environment to prevent moisture from entering the interior of the LCD screen.

2. LCD display screens high voltage

This fire refers to the high pressure of industrial LIQUID crystal displays. Do not attempt to disassemble or modify the LCD monitor. Even if the LCD is turned off for a long time, the CFL inverter in the backlit component may still carry around V high voltage, which is also quite dangerous to the human body.

3. LCD screen is susceptible to dust

Liquid crystals are prone to dust. It gets dirty over time and is naturally uncomfortable to use. If you find stains on the surface of the LCD display, wipe it gently with a soft cloth dampened with a little water. Do not spray water directly on the surface of the screen. Water entering the LCD will cause a short circuit on the screen.

4. LCD display screen touches 

The nobler things are the more fragile, and so is the LCD. If you tap the LCD with your finger, the screen image will create a wave circle. This is a common phenomenon of LCD. Direct contact with the LCD may damage small circuits and components on the LCD. The most common case is to generate dead pixels.

5. LCD display screen collision

The LCD screen is very delicate. In the process of violent movement or vibration, the quality of the LCD display and the liquid crystal molecules inside the LED display monitor may be damaged, greatly reducing the display effect. In addition, in order to avoid strong shock and vibration, the LCD contains a lot of glass and sensitive electrical components. A fall to the floor or other similar strong impact can cause damage to the screen or other components.

6. LCD display screen shutdown

The shut-off, reasonable use, and effective maintenance of LCD are very important to the life of LCD. For convenience, many people do not turn off the display after the shutdown, which will seriously damage the service life of the LCD. In general, do not turn on the device for a long time (more than 72 hours continuously). Another feature of LCDS in the display of images is that if a fixed content is displayed continuously for a long time, some OF the LCD pixels can overheat and cause damage, which should be noted. For example, turn off the LCD monitor when there is no problem, pay attention to how the screen saver works, or just leave it completely white and don&#;t make the display too bright. This is all a small effort that can extend the life of LCD displays.

If you are currently a user of LCD display screens, you would like to get some help from this short article. If you want to find high-quality LCD screen manufacturers to order LCD display screens, welcome to consult us.

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Liquid Crystal Display (LCD) screens are a staple in the digital display marketplace and are used in display applications across every industry. With every display application presenting a unique set of requirements, the selection of specialized LCDs has grown to meet these demands.

LCD screens can be grouped into three categories: TN (twisted nematic), IPS (in-plane switching), and VA (Vertical Alignment). Each of these screen types has its own unique qualities, almost all of them having to do with how images appear across the various screen types.

Related: OLED vs LCD

It's worth noting that although these screen types belong to the LCD screen type, they use thin-film-transistor ( TFT) technology which is a variant of the standard LCD screen type.

The main features that differentiate LCD screen types are brightness, viewing angles, color, and contrast.

TN vs VA vs IPS display comparison.

TN (Twisted Nematic)

This technology consists of nematic liquid crystal sandwiched between two plates of glass. When power is applied to the electrodes, the liquid crystals twist 90°. TN (Twisted Nematic) LCDs are the most common LCD screen type. They offer full-color images, and moderate viewing angles.

TN LCDs maintain a dedicated user base despite other screen types growing in popularity due to some unique key features that TN display offer. For one, TN LCDs have faster response times and refresh rates than other TFT LCDs.

TN TFTs remain very popular among competitive PC gaming communities, where accuracy and response rates can make the difference between winning and losing.

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Refresh rates and response times refer to the time it takes pixels to activate and deactivate in response to user inputs; this is crucial for fast-moving images or graphics that must update as fast as possible with extreme precision.

TN displays remain popular due to its reliable performance and cost-effective price point.

TN LCD Characteristics

TN Characteristics

• Cost-Effective

  Twisted nematic screens traditionally have been the most cost effect LCD option.

• Highest Refresh Rates

  TN LCD screens have the highest refresh rates and response times.

• Limited Viewing Angles

  TN LCD screens have average viewing angles of 45-65 degrees.

• Limited Brightness

  TN LCD screens are not bright enough for outdoor or direct sunlight viewing.

VA (Vertical Alignment)

VA, also known as Multi-Domain Vertical Alignment (MVA) dislays offer features found in both TN and IPS screens. The Pixels in VA displays align vertically to the glass substrate when voltage is applied, allowing light to pass through. 

Displays with VA screens deliver wide viewing angles, high contrast, and good color reproduction. They maintain high response rates similar to TN TFTs but may not reach the same sunlight readable brightness levels as comparable TN or IPS LCDs. VA displays are generally best for applications that need to be viewed from multiple angles, like digital signage in a commercial setting.

VA LCD Characteristics

VA Characteristics

• Wide Viewing Angles

  VA screens offer wider viewing angles than TN LCDs.

• Colors & Contrast

  VA LCD screens have improved color and contrast compared to TN TFTs.

• Backlight Brightness

  VA LCD screens tend to offer a lower brightness than an equivalent TN model TFT.

• Power Consumption

  Sunlight Readable LCDs can consume more energy than standard LCD screens.

IPS (In-Plane Switching)

IPS (In-Plane Switching) technology improves image quality by acting on the liquid crystal inside the display screen. When voltage is applied, the crystals rotate parallel (or &#;in-plane&#;) rather than upright to allow light to pass through. This behavior results in several significant improvements to the image quality of these screens.

Related: What is an IPS display?

IPS outperforms TN displays in every major category.

IPS is superior in contrast, brightness, viewing angles, and color representation compared to TN screens. Images on screen retain their quality without becoming washed out or distorted, no matter what angle they&#;re viewed from. Because of this, viewers have the flexibility to view content on the screen from almost anywhere rather than having to look at the display from a front-center position.

IPS makes it possible to get colorful, accurate, and sharp images viewed from almost any angle.

IPS displays offer a slightly lower refresh rate than TN displays. Remember that the time for pixels to go from inactive to active is measured in milliseconds. So for most users, the difference in refresh rates will go unnoticed.

IPS LCD Characteristics

IPS Characteristics

• Price Point

  IPS displays are now more cost effective comparable to TN LCDs.

• Average Refresh Rates

  IPS screens have slower refresh rates and response times than TN LCD screens.

• Widest Viewing Angles

  IPS LCD screens have the widest viewing angles of any TFT LCDs.

• Best Colors

  IPS LCD screens produce the most accurate, vivid colors of any TFT LCDs.

• Highest Brightness

  IPS LCD screens have high brightness backlights for sunlight readable environments.

TN vs VA vs IPS Comparison Table

  TN VA IPS Brightness Better Good Best Performance Fastest Fast Fast Viewing Angle Good Better Best Color Good Better Best Contrast Good Best Better Black Levels Good Best Better Picture Quality Good Better Best Uses Gaming because of performance General use because of price and quality Professional where quality is required

Conclusion

Based on current trends, IPS and TN screen types will be expected to remain the dominant formats for some time. As human interface display technology advances and new product designs are developed, customers will likely choose IPS LCDs to replace the similarly priced TN LCDs for their new projects.

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