Portable illuminating device with ring-shaped light source
A technology for lighting devices and ring light sources, which is applied to portable lighting devices, lighting devices, components of lighting devices, etc., can solve the problems of limited adjustment of lighting range, and achieve the effects of low price, enlarged lighting range and simple structure.
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[0016] The present invention will now be described in further detail with reference to the accompanying drawings and preferred embodiments. These drawings are all simplified schematic diagrams, which merely illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.
[0017] Please refer to figure 1 The present invention discloses a portable lighting device with a ring light source, including a light source 3, a holding part 1, a switch 2, and a power source (not shown), wherein the light source 3 is arranged at one end of the holding part 1. In order to expand the lighting range of the lighting device, in a preferred embodiment of the present invention, the light source 3 is ring-shaped, and the ring-shaped light source 3 has a wider lighting range than a traditional light source with a conical protective cover.
[0018] The light source 3 may be a ring-shaped array of lamp beads or a ring-shaped...
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