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What impact does LED lamp beads have on LED display screens? -2

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What impact does LED lamp beads have on LED display screens? -2
Latest company news about What impact does LED lamp beads have on LED display screens? -2

What impact does LED lamp beads have on LED display screens? -2

Viewing Angle: The viewing angle of LED electronic display screens is determined by the viewing angle of the LED chips. The choice for different applications depends on specific purposes and the balance between usage and brightness. For instance, outdoor screens generally use a horizontal angle of 120° and a vertical angle of 50°, while screens on tall buildings may require a higher vertical viewing angle.

Brightness: LED brightness is a critical factor in determining the overall brightness of electronic display screens. Choosing LEDs with a 120° angle helps strike a balance with viewing angle requirements. For various pixel pitches and viewing distances, finding a balance between brightness, angle, and cost is necessary.

Failure Rate: As electronic display screens consist of thousands to hundreds of thousands of LED pixels, the failure of any color LED can impact the overall visual effect. Based on industry experience, the failure rate before shipping, from assembly to 72 hours of aging, should not exceed 0.03%.

Anti-static Capability: LED semiconductor devices are sensitive to static electricity, and anti-static capability is crucial for the display screen's lifespan. Typically, the failure voltage for human body static mode testing should not be lower than 2000V.

Lifespan: The theoretical lifespan of LED chips is 100,000 hours. Ensuring quality, appropriate operating currents, rational PCB heat dissipation design, and rigorous production processes contribute to making LED chips one of the most durable components in the entire system.

Decay Characteristics: Extended operation of LED electronic display screens may result in brightness reduction and color inconsistency. Controlling the decay of red, green, and blue LED brightness within specified ranges is essential, considering factors such as current usage, PCB heat dissipation design, and environmental temperature.

Size: The size of LED chips affects the resolution of electronic display screens. Larger sizes can increase display area but may reduce contrast, while smaller sizes have the opposite effect.

Consistency: The consistency of brightness, white balance, and color in full-color electronic display screens depends on the consistency of red, green, and blue LED brightness and wavelength. The technical proficiency of the encapsulation supplier is particularly crucial for achieving angle consistency in LEDs.

Pub Time : 2024-01-23 15:32:03 >> News list
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