Multifunctional lighting module
A lighting module and multi-functional technology, applied in energy-saving control technology, character and pattern recognition, instruments, etc., can solve the problems of increased production cost, high power consumption, and product yield decline, and achieve small size and low power consumption Effect
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[0033] figure 1 It is a schematic diagram of a flood lighting module according to an embodiment of the present invention. The module 10 includes a light source 11 and a diffractive optical element (DOE) 12. The light source 11 can be a light source such as an LED or a laser for emitting infrared, ultraviolet, visible light and other light beams. The light source 11 emits a light beam and forms an incident light beam on the incident surface of the DOE12. After receiving the incident light beam, the DOE12 diffracts the incident light beam and diffuses it into a wider space 13 to realize flood lighting. In one embodiment, the DOE12 plays the role of beam splitting. The role is to copy and expand a single incident beam into multiple outgoing beams without changing the basic properties, where the basic properties include beam size, polarization direction, phase, divergence angle, etc. like figure 1 As shown, the light beam emitted by the light source 11 is diffracted by the DOE 1...
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