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Journal of Solid State Lighting
Fig. 5 | Journal of Solid State Lighting

Fig. 5

From: Optical role of die attach adhesive for white LED emitters: light output enhancement without chip-level reflectors

Fig. 5

Light output by CDAA; Light output of (a) blue LED emitters with different refractive indices for CDAA and (b) simulation of the white LED emitter as a function of CDAA bondline thickness, d. Reflectance for the leadframe substrate (R LF ) is 88.2 %. Results are normalized by the light output of BR (R BR  = 98 %) based emitter at d of 5 μm. Error estimated for the simulation is 0.917 %

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