What is The Difference Between a SMD and DIP Outdoor LED ...

Difference between a SMD and DIP outdoor LED display:

SMD models are flat and do not reflect light. In contrast, in DIP LED displays, all LEDs are separated and visible. Each point on the screen contains separate green, blue, and green LEDs. DIP is mainly used for outdoor services as it maintains a pitch above 7 and is globally more robust over time. Therefore, in the comparison between SMD and DIP, DIP wins for outdoor applications.

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On the other hand, SMD is used for large-scale production. It is lightweight, offers a wide visual angle, good color fidelity, better color uniformity, and reduces labor costs. Consequently, it results in a lower LED Display screen price.

DIP vs SMD: Which Direct View LED Package Technology is Better?

What is the difference between DIP and SMD?

DIP, or dual in-line package, LEDs resemble traditional light bulbs, where separate red, green, and blue LED bulbs are combined in one package. The programmable light output of this triad creates millions of colors. Due to their relatively large size, DIP displays typically have a high pixel pitch. They are made with durable soldering connections, which makes them withstand harsh environmental conditions. DIP bulbs are ideal for outdoor signs where the viewer is directly in front of the screen, thanks to their high brightness and weather-resistant design.

SMD, or surface mount diode, LEDs are lightweight and built inside an enclosed case that is soldered directly to the module circuit board. They are smaller in design, offering versatility in screen configuration and a low pixel pitch. SMDs are more efficient and modern, providing a high lumen output of about 50 to 100 lumens per watt. They produce bright, crisp, clear images, with true color reproduction. SMDs provide superior contrast, high resolutions, and vibrant images, making them suitable for both indoor and outdoor signs and screens.

Direct Insert Package (DIP) and Surface Mounted Diode (SMD) Pros & Cons

DIP Pros:

• Consumes less electrical power (up to 35% less)
• Excellent direct (front) viewing brightness (up to 20% brighter)
• Durable soldering connections
• Efficient heat dissipation leads to long life
• Less expensive

DIP Cons:

• Older technology reaching end of life
• Low, inconsistent brightness when viewed off-angle
• Color shifting when viewed off-angle
• Less contrast due to non-homogenous surface reflection
• Less vibrant color reproduction
• Finest pixel pitch limited to 10mm

SMD Pros:

• Consistent off-angle viewing brightness offers better “perceived” brightness
• Excellent color reproduction
• Excellent contrast ratio
• Pixel pitch as fine as .9mm
• Durable in indoor & outdoor settings

SMD Cons:

• Consumes more electrical power (up to 35% more)
• Lower direct (front) view brightness
• Less efficient heat dissipation requires active cooling
• More expensive

So which one is better? It depends. Typically, because it is newer and offers superior performance, Ad Art specifies SMD LEDs for most indoor and outdoor use cases. However, if environmental, budgetary, electrical, or other design constraints prevent the use of SMD, Ad Art will specify DIP LEDs for a better fit.

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