Search results 15274 items matching your search terms. Filter the results Item type Select All/None Page Collection GLD Company Event Folder New items since Yesterday Last week Last month Ever Sort by relevance date (newest first) alphabetically Figure 4: A plot is shown of the optical power versus input current of a single SemiLEDS 42 mil 460 nm blue die mounted on a LumiBright copper PCB. Located in media Figure 3: The intensity versus time is shown for a single blue LED die from SemiLEDS operated at a current density of 850 % nominal indicating how far LED die technology has progressed. Located in media Figure 2: A rendered cross sectional view of a LumiBright LE light engine is shown. The light enters the primary collection optic aperture which is positioned just above the LED die array. Located in media Figure 1: LumiBright LE line of light engines for commercial applications and incorporating high efficiency primary optics, photosensor, and thermistor on a high thermal conductivity metal core PCB in one package. Located in media Figure 3: NIST 2.5 m integrating sphere configured for LED measurements (above) and the picture of the sphere with an LED holder (below). Located in media Figure 2: Recommended sphere geometries for LED total luminous flux measurement. Located in media Figure 1: Geometry for CIE Averaged LED Intensity Located in media Figure 5: NIST gonio-spectroradiometer for the total spectral radiant flux scale realization Located in media Figure 4: Type 1 Source Model Located in media Figure 3: Type 3 Source Model Located in media < Previous 10 items 1 ... 1241 1242 1243 1244 1245 1246 1247 ... 1528 Next 10 items > Subscribe to an always-updated RSS feed.
