A light expanding device and a light bulb using the light expanding device
A light device and light bulb technology, which is applied to the components of lighting devices, lighting devices, semiconductor devices of light-emitting elements, etc., can solve the problems of high cost and high heat generation, and achieve the advantages of easy processing, low heat generation, and reduced processing effect of difficulty
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[0021] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.
[0022] Such as image 3 As shown, a light expanding device is arranged on the upper part of the light source body for light control, and includes a light expanding head 42 and a light expanding column 41. The bottom of the expanding head 42 is used to separate the expanding head 42 from the light source body.
[0023] The through holes 5 are circumferentially distributed on the surface of the light expanding head 42 with the center of the surface of the light expanding head 42 as the center according to different radii, and the distribution density of the through holes 5 gradually decreases along the center of the light expanding head 42 to the edge of the li...
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