Three-color laser projection equipment
A technology of laser projection and equipment, which is applied in the field of projection display, can solve the problems of poor image display quality of laser projection equipment and permanent damage to lasers, etc., and achieve the effects of eliminating COD failures, ensuring image display effects, and reducing damage rates
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[0019] In order to make the purpose, technical solution and advantages of the present disclosure clearer, the implementation manners of the present disclosure will be further described in detail below in conjunction with the accompanying drawings.
[0020] figure 1 It is a schematic diagram of the output characteristics of a laser when a COD fault occurs in the laser provided by the related art. The schematic diagram includes a first curve and a second curve, the first curve is a variation curve of the driving voltage of the laser, and the second curve is a variation curve of the driving current of the laser. The abscissa in the schematic diagram is the driving current, the first ordinate is the luminous power of the laser, and the second ordinate is the driving voltage of the laser. Wherein, the unit of driving current is ampere (A), the unit of luminous power is milliwatt (mW), and the unit of driving voltage is volt (V).
[0021] refer to figure 1 1. During the working p...
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