Stage Rental LED Screen

The Differences of LE Fine-Pitch led display D, LCD and Proj

2020-10-27 16:03


When planning digital signage projects, there are many factors that must be considered when it comes to screen choice. Primarily, it’s critical to understand that the options—LEDs, LCDs, and projection—are not interchangeable. While LEDs and LCDs have some similarities, projection screens are a completely different type of system altogether. Realizing that you’re not comparing apples to apples is essential, as the application, use, and site are paramount to a successful signage integration.


LEDs: Light Emitting Diode Displays


LEDs are built upon columns and rows of individual LED packages.

LED colors are more vibrant than LCD with greater contrast

LED’s offer the greatest brightness–typically between 4,000 to 8,000 nits–that won’t weaken significantly less with age than other display types

LEDs are thin, lightweight, and use less power

Direct view LED displays are available in more sizes than other screens—ultimately giving more creative freedom for screen configuration and size

With LED pixel pitch available in sub 1MM to 100MM configurations, LED resolution resembles that of a flat panel and everything in between

The higher the brightness of the display, the more direct sunlight it can compete against—specifically beneficial for outdoor displays


LCDs: Liquid Crystal Displays


LCDs have the highest resolution of the three options, but with much lower brightness—300 to 2,500 nits—making them ideal for up-close viewing

The larger the size, the heavier and more fragile the LCD screen which directly correlates to overall weight of displays

LCDs can be tiled together for a wall, however, there will be seams between bezels

LCD flat panels are available in 1080P and 4K UHD resolutions—the higher the resolution, the more pixels per inch, and the closer the viewer can be

Common LCD sizes range from around 10” up to 95” diagonal


Projection Screen: A Surface & Support Structure to Display Projected Images


Projectors are required to transmit the image to a projection screen

Because images must travel to the viewer’s eye, there’s a larger expanse in which the brightness and visibility of projected images can be diminished, resulting in image clarity and crispness challenges

Over time, a projector loses brightness, affecting its ability to properly display saturated colors like black

Upkeep and maintenance is more prevalent to keep your projection display system running at its full capabilities.

Projectors lack the contrast capabilities of LED


Lighting Considerations: Lights (Natural and Artificial) Influence Screen Selection


LEDs are recommended if the space is located outside or will be filled with natural light

While it doesn’t impact the visibility of LED images, ambient lighting makes a projected image more difficult to see

Ambient light on TV style video walls can have glare and reflection ultimately diminishing effectiveness

Depending on the area, LEDs may not even need to display at their highest brightness, adding to their longevity and less consumption of energy


Image Definition and Sizing


LEDs and LCDs support HD (high definition) with no challenges

Projectors typically only support standard definition or cannot display HD images at full resolution. Higher resolution output projectors can be extremely costly

Projectors, however, can easily display images of all sizes, from small to extremely large

LED panels only range from about 60 inches to 90 inches at the large end of the spectrum, but can be stacked to create larger composite images

Depending on application text playback can determine the resolution of display needed to accomplish effective content reproduction


Set-Up and Usage


LEDs and LCDs are much easier to set-up and quicker to turn on than projector displays

Projectors are limited in how and where they are used, requiring a video source connection, unimpeded space between the screen and projector, and high mounting in the back of a room or display area—low hanging objects in a venue will obstruct projector set-ups


Maintenance and Cost of Ownership


For maintenance, LED repair is straightforward, often just a software update will suffice, while replacing a module or broken bulb necessitates little effort

LCDs may require manual calibration and aren’t able to be serviced in the field

Projectors typically must be sent off for repair, resulting in downtime

Long-term reliability goes to LEDs, which last up to 100,000 hours before suffering dimming issues

LCDs only run for 30,000 to 50,000 hours before degradation leading to issues such as image burn in

LEDs are more expensive purchases than LCDs, but due to the probable repairs and less lifetime usage of LCDs, LEDs have a lower total cost of ownership


Which display is right for your project?







 

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