OSLON® Boost HM High Luminance LED OSRAM Opto Semiconductors OSLON® Boost HM High Luminance LED is a high-power light source for ultra-slim automotive headlamp designs. The LED features a high luminance of up to 255cd/m2 (candela per square meter) and a high luminous flux. In addition to headlamps, applications include lasers and night vision. The OSLON Boost HM also features notchless UX:3 chip technology for easier optical design. The AEC-Q102-qualified LED also offers an isolated thermal pad for optimised thermal performance. The yellow LED lens has a rectangular shape and diffused transparency with an operating temperature range of -40°C to +135°C.