FIELD: physics.
SUBSTANCE: light source matrix (34) is inserted into the encapsulating layer (32). Matrix of the cavities (30) is formed with a refractive index different from the refractive index of the encapsulating layer, formed in the encapsulating layer (32). Matrix of the cavities (30) is formed through the additive evaporation by, at least, one of the heat and light sources. The cavities (30) have a number density or size depending on their proximity to the light source.
EFFECT: providing more uniform output optical radiation playback along the device area.
2 cl, 7 dwg
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