US4152624 Molded LED indicator
Cited prior art · Vincent J. Knaebel · Monsanto Co · United States · 1979
of the interior constituted by light-scattering centers 61 dispersed. surfaces 67, 69, 71 and 73. Alternatively, an LED of throughout the encapsulant. Preferably, encapsulant 59 5 GaAsP having a Lambertian emission