Flash LED of mobile phone
A fill light, mobile phone technology, applied in optics, telephone structure, TV and other directions, can solve the problems of insufficient fill light intensity, uneven light intensity, etc., to achieve the effect of small overall volume, improved fill light intensity, and sufficient illumination
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[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0028] Such as Figure 1-2 As shown, the mobile phone supplementary light in this embodiment includes a circuit board 1, and the circuit board 1 has a first through hole 2; the circuit board 1 is provided with a concentric inner ring wall 3 and an outer ring wall 4, An annular optical cavity is formed between the inner ring wall 3 and the outer ring wall 4 , and the inside of the inner ring wall 3 is a second through hole 6 ; here, the second through hole 6 ha...
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