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OSRAM Opto Semiconductors OSLON® Square Uniform LEDs are designed with improved radiation pattern and superior Color-over-Angle (CoA) performance. These LEDs improve color uniformity by adding a diffusor layer on top of the phosphor layer. The OSLON square uniform LEDs eliminate the Halo effect by creating a very uniform color of light across the circular light cast on the wall. These LEDs feature superior robustness, high reliability, long lifetime, and low thermal resistance. The square uniform LEDs offer 120° typical radiation, 2700K to 4000K color temperature, 8kVcc ESD, 218lm at 3000K luminous flux, and 111lm/W at 3000K luminous efficacy. These LEDs are ideal for use in downlights/spotlights, indoor spot lighting, and museum lighting.