How to identify advantages and disadvantages of LED chips?
fecha:2011-04-14 10:37
estado:para resolver
pregunta:admin
Through the experiment, to see the decline of light and brightness .Five steps:
a. Flux.b. Lumen.c. Chromatic aberration.d. Production process.e. Quality assurance.
Test white light:
a, different chips. b, exactly the same bracket. c, exactly the same phosphor.d, exactly the same proportion.e, aging in the same timef, at the same time test.Above can identify it!
mejor respuesta:
no hay por el momento
[todas las respuestas(0)]
[contesto]
volver
refrescar
WAP página de inicio
versión de web
iniciar sesión
02/06 09:55