How LED Screens Work, a Comprehensive Guide

How do LED Screens Work?

When you&#;re in the market for a big, bright screen, it&#;s important to understand what you&#;re buying before you invest. If you&#;re starting with the basics of screen technology and looking for answers on why a modular or mobile LED wall is the best choice, you&#;ve come to the right place. If you&#;re ready to dig a little deeper, just reach out! We&#;re happy to answer any technical or practical questions that come to mind.

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What does LED stand for?

LED stands for Light-Emitting Diode. This acronym refers to a technology that allows screens to produce lots of light, with little electricity. Along with the technology of a light-emitting diode comes the specific requirements like power adapters, or drivers that assist in regulating voltage. The technology is extremely durable. In the early 90s, it was advanced to include red, green, and blue colored lights, which were developed into what we now use in LED screens.

What are LED displays?

LED displays are flat-panel displays that use individual light-emitting diodes (LEDs) as pixels to create images on a screen. The diodes (that&#;s the &#;D&#; in LED) are electricity conductors that, when a voltage is run to them, light up. When varying voltage is applied to each individual LED, they shine at various levels of brightness, creating images. There are multiple types of LED display panel types with differences that make them better for different usages. These types include lightbar, dot matrix, 7-segment, 14-segment and 16-segment.

When were LED displays invented?

The first LED display was invented in  by an engineer at General Electric. Due to technical limitations of the time, it could only produce monochrome red images. Despite continuous development over the decades, full-color LED screens weren&#;t available until the late s. You might remember from early science lessons that incandescent light, you know Edison, is a result of a heated filament. Well, the light produced by an LED is actually considered cold light because it is generated within the diode itself. This is a much more effective and efficient way to produce light.

Are LED displays good?

LED is the best choice for a variety of screens for multiple reasons. First, LED is extremely energy-efficient. Its low energy consumption makes it ideal for rechargeable handheld devices like phones, tablets, and laptops. Second, LEDs can be arranged in very dense arrays (thousands of cells very close together), which means they allow for incredibly detailed, crisp static and moving imagery. Third, LED screens produce very bright images, which makes them fantastic for outdoor use and for viewing at a distance. They can be illuminated brightly enough for viewing at night or in bright sunlight.

Is LED better than LCD?

LED is a type of LCD! LCD stands for liquid crystal display. The crystals are what determine how much illumination is displayed in each pixel (or diode, in the case of LED) at any given time. As a broad category, most LCDs have made way for LEDs. Instead of using CCFLs (cold cathode fluorescent lamps) to illuminate each pixel, most modern LCDs use LED.

Is an LED screen worth it?

Yes, an LED display is worth the investment. When you&#;re trying to capture the attention of a large crowd, there&#;s no other display on the market today that&#;s as bright and captivating.  LED displays can be used in almost any weather condition, at any time of day. They don&#;t consume a lot of electricity to power their high refresh rate and dazzling color. Plus, depending on how often you&#;re using your LED screen, they can last a very long time.

How do I know which LED display is right for me?

Internet research can only get you so far. When you&#;re serious about an LED display screen purchase, reach out to the experts at Insane Impact. With an understanding of your goals and use cases, we can ensure you make the perfect choice of LED display.

Screens are one of those things we all use, but few of us actually understand how they work.

At Insane Impact, LED screens are what we do. We build custom solutions to create unforgettable experiences and it all starts with a little light.

UNDERSTANDING COLOR

Red, green, and blue (RGB) are the three basic light colors that make up every visible color. LED screens have many red, green, and blue LEDs expertly placed to create the picture you see. Mixing hue (level of color) and saturation (lightness or darkness) those three colors of LEDs make any color and image.

THE VIEWING EXPERIENCE

Resolution is a combination of the number of pixels and how close they are together. Here&#;s how it works. LEDs are grouped in RGB groups. The grouping is called a pixel. The distance between pixels is called pixel pitch.

Still with me? An average high-definition television will have a resolution of p x p with anywhere between 3mm to 6mm pixel pitch. That means there are 2,073,600 pixels and they are roughly 3-6mm from one another.

However, the further away you are from a screen the fewer pixels and higher pixel pitch you need. That&#;s the way our eyes work. Looking at a MAX , our 23 ft by13 ft screen, is a lot different for our eyes to take in than 72 in television. You view a television anywhere from 10 ft to 30 ft away, but you&#;d view a 23 ft screen across a football field. It makes a higher resolution unnecessary because your eyes won&#;t really be able to tell the difference at a distance.

The next functional component of a screen is called NITS. Nits measure the brightness of the screen. You can have all the pixels as close together as possible, but if you don&#;t have the proper brightness you won&#;t be able to see them. When it comes to brightness, the brighter the space you are viewing the greater NITS needed. We recommend a minimum of NITS for viewing in direct sunlight.

DIGITAL CONTENT

All of the functional components of your screen are only of value if your content is designed for it. For example, you wouldn&#;t try to view a 4k blu-ray on a high-definition screen. The resolution of the content is too much for the screen. The best viewing experience is when the content is designed to be compatible with the way it is being displayed.

Did you know graphic designers and photographers use different color types depending on how it will be viewed? They actually design in RGB for digital content so that it will appear properly on an LED screen.

It&#;s our job to help you create a display that will connect you with your audience. Give one of our representatives a call and we&#;ll get started.

LEDs have a lot of uses and applications. It has revolutionized screen and display technology and has prompted many tech brands to adopt the use of LED technology. LEDs have a lot of advantages, like their durability and excellent picture quality. However, it also has its disadvantages, such as its high price and maintenance cost. While LEDs have their pros and cons, it is up to the consumer to decide if LEDs are worth the investment.

In this article, we discuss five advantages and disadvantages of LED displays that you should know.

Advantages of LED Displays

1) Durable

LED displays have a long lifespan that outlives traditional light bulbs, which makes it one of the most popular advantages of LED displays. Some LEDs can reach 50,000, while other manufacturers claim that it can even go as high as 100,000 hours. With this long useful life, the need for frequent replacements is reduced. It saves you thousands of maintenance costs and minimizes disruptions to operations, making LEDs an attractive choice for commercial, industrial, and residential applications.

LED displays also feature a unique form factor compared to traditional light sources. Generating light doesn&#;t require filaments or tubes. LEDs only generate light when interacting with electricity. Hence, LEDs are durable because they are not fragile and have a stronger form factor. Even in harsh environments, manufacturers can tailor-fit LED screens to withstand harsh conditions.

Aside from its long useful life, LED displays are also more viable for external use. It can withstand harsh environmental conditions without affecting its performance. It can still generate high lumen output while exposed to these conditions. LEDs can also resist water and dust particles with the proper IP rating. That&#;s why it&#;s more suitable for outdoor settings, such as street lighting, signage, and architectural illumination.

2) Perfect for Gaming and Gaming Setups

Another one of the advantages of LED display is that it is for gaming. Gamers nowadays are craving for a high refresh rate and excellent picture quality. Monitors are often conflicting with refresh rate and quality. LEDs provide excellent brightness and color accuracy for clear and vivid picture quality for gaming. Whether playing first-person shooter (FPS) games or role-playing games (RPGs), LED can generate high contrast ratios and provide fast response times. 

Higher refresh rates are beneficial for FPS gamers since it enables them to react quickly to in-game movement. If coupled with the right GPU, there will be minimal ghosting and delays. Moreover, high contrast ratios and excellent picture quality are beneficial for RPG and story-type games because they give gamers outstanding video output.

Aside from monitor quality, LEDs also improve your gaming setup. Vibrant and customizable lighting effects installed in your gaming room, mancave, or home office enhance not only the gaming experience but also the overall vibe of the place. LEDs can create immersive environments through ambient lighting, lighting patterns, and reactive lighting that synchronizes with in-game events. LED monitors also consume less power than traditional LCDs. If you have a well-invested home office and gaming setup, LEDs have minimal electricity consumption and require minimal cooling.

3) Flexible in Different Designs

With LEDs, manufacturers can create different designs and forms. Through surface-mount technology and chip-on-board structures, manufacturers can create different kinds of LED products without worrying about the size. Have you wondered why LED strip lights were possible? It&#;s because COB LEDs can be compressed into small form factors without affecting their light outputs. Aside from that, you can bend and twist these strips without breaking the chips.

Are you interested in learning more about led display company? Contact us today to secure an expert consultation!

Because of this flexible feature, LED products can be ultra-thin and lightweight, which makes them suitable for portable devices such as flashlights and smartphones. That&#;s why flexibility is one of the advantages of LED displays. Overall, there are countless possibilities with LEDs. Before its popularity, these lighting products weren&#;t possible even with LCDs. In fact, LCDs are very sensitive to pressure, making them less suitable for purposes where LEDs excel greatly.

Additionally, LED displays are modular. They can fitted and customized to different shapes and sizes. Whether it is a vertical, horizontal, or spherical wall, LED can be customized for that use. It offers unparalleled flexibility in terms of design and configuration, allowing users to tailor their visual experiences to suit specific requirements and environments.

4) Produces Excellent Images

Many people like LEDs because of their color accuracy and picture quality, making picture quality one of the advantages of LED displays. It is suitable for video and photo editing, especially if appropriately calibrated to produce realistic and accurate colors. The brightness capabilities of LED also contribute to its overall picture quality because it can produce vibrant and eye-catching output that can withstand outdoor lighting conditions. Even if you place an outdoor LED in broad daylight, you can still produce crisp, clear, visible picture quality.

5) Wide Viewing Angles

With COB and SMD LED technology, users have better viewing angles because of compact LED form factors. The wide viewing angles that LEDs can provide are one of the great advantages of LED displays. When LED chips are compact, they produce denser light and widen the viewing angles further. Compact LEDs ensure that light is emitted evenly and that there are no dim areas in some parts of the screen.

The unique designs of COB and SMD LED enable better picture quality, minimize color and brightness distortions, and ensure bright images in all parts of the screen. Even if you&#;re off-center, you&#;ll still have a good view of what&#;s on the screen without discolorations or distortions. Unlike traditional displays, LEDs emit light directly from individual diodes. It doesn&#;t require polarizing filters to show images on the screen. This method allows LEDs to maintain consistent brightness and color accuracy across a wide range of viewing angles.

Disadvantages of LED Displays

1) High Price

Of all the disadvantages of LED display, price is the leading one. It is common for LED products to be pricier than their LCD counterparts. Because of its energy-saving capabilities, LEDs require a manufacturing process different from that of other screens. It requires the use of gallium, indium, and other rare earth elements that can be expensive. With its high raw material cost, LEDs are expected to have a higher price tag. 

Aside from its expensive raw materials, the sophisticated manufacturing process of LEDs also affects the price. It requires semiconductor fabrication facilities. These facilities have a lot of overhead, which prompts manufacturers to raise the price. Besides, the upfront investment can be hefty as well.

On top of that, LEDs offer a lot of flexibility, features, and capabilities. It has dimming capabilities, color-changing options, and compatibility with smart home systems. Smart LED devices have circuit boards that can be programmed and controlled using software or mobile apps. That&#;s an added cost for the manufacturers just to offer that functionality.

And finally, manufacturers leverage their patented technology for LED&#;s long lifespan. While not all LEDs are the same, manufacturers invest in different technologies to prolong the lifespan of LED products.

2) Contributes to Light Pollution

LEDs emit denser lights than LCDs, incandescent lights, and fluorescent lights. However, because of its outstanding light density, it can contribute to light pollution. Light pollution occurs when there are too many man-made light sources, which block and disrupt natural light from the environment. Too much artificial light can also affect sleep cycles and eye health.

Stargazing will not be possible when there is too much man-made lighting present. It blocks the view of stars and creates a hazy night sky. While brighter surroundings aren&#;t inherently bad, they can have a long-term effect on the people and animals living in such areas. Hence, brighter light outputs can be one of the disadvantages of LED displays.

3) High Maintenance Cost

Another one of the disadvantages of LED displays is their cost. Manufacturers say that you can save money from LED lighting. Well, that&#;s true in all aspects. However, many consumers forget that LEDs also have high maintenance costs, specifically in repairing and replacing LEDs. One factor contributing to potential maintenance expenses is the complexity of LED displays, particularly in large-scale installations or specialized applications. In LED systems, when one pixel dies in a chipboard, sometimes the only remedy is to replace the whole chipboard, even if only one or two LED chips are busted. 

Moreover, improper use of LED can lead to higher maintenance costs. If you buy an indoor LED, do not put it outside or expose it to the elements. Without the required IP rating, LEDs are prone to damage caused by environmental factors like moisture, dust, and temperature fluctuations.

Aside from that, suppose you want to reposition a fixed LED structure. The cost of LED retrofitting can be significant, potentially impacting the overall cost of ownership and lifecycle maintenance expenses. Hence, it&#;s best to decide where you&#;ll place the LED structure to avoid reinstallation costs.

4) Causes Eye Strain

Eye health is a concern in this day and age. As displays get better and brighter, the human eye may have trouble adapting and coping with extreme light sources. The high intensity and brightness of LED light are harsh and glaring to the naked eye, especially during extended periods without adequate breaks and eye protection.

The blue light from most LED lights can also cause eye strain and interrupt sleep patterns. Without appropriate light-adjusting software or protective lenses, the naked eye will be at risk of eye fatigue. Aside from that, flickers, glares, and strobing effects can lead to discomfort, headaches, and difficulty. People with epilepsy will be at a higher risk of epileptic seizures if there are strobing effects.

5) Requires Extra Care for Outdoor Use

While we&#;ve discussed earlier that LED displays are durable, take note that they&#;re not indestructible. If not correctly used, it is still susceptible to damage. That&#;s why getting an LED product with the appropriate IP rating is important to ensure that it can withstand harsh environmental conditions such as high temperatures, moisture, UV radiation, and dust particles.

Without the proper fixtures and protections, LED displays are at risk of physical damage, corrosion, and electrical failure, which will entail higher repair costs if it&#;s still repairable. Otherwise, you&#;ll have to buy a new unit if it&#;s beyond repair. An IP65 LED screen is ideal for outdoor use because it can withstand wind, light rain, and debris. Adequate housing surrounding the LED&#;s body is also needed to add an extra layer of protection, even if the manufacturer guarantees its durability.

Conclusion

In conclusion, LEDs are excellent for their many uses and applications. The quality that it gives is unrivaled because of the value it gives to consumers. Though we have a lot of good things to say about LEDs, it still has its disadvantages. We recommend weighing the factors before deciding so that you can fully maximize your resources and get the best screen for your needs. We hope this article about the advantages and disadvantages of LED displays helped you understand each in great detail.

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