Mobile phone light filling lamp
The invention provides a mobile phone light filling lamp. A circuit board is provided with a first through hole. The circuit board is provided with an inner annular wall and an outer annular wall which form an optical cavity. A second through hole is formed in the inner annular wall. A plurality of...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention provides a mobile phone light filling lamp. A circuit board is provided with a first through hole. The circuit board is provided with an inner annular wall and an outer annular wall which form an optical cavity. A second through hole is formed in the inner annular wall. A plurality of LED chips are arranged in the optical cavity and evenly distributed along the circumference of the optical cavity. An inner reflecting layer and an outer reflecting layer are arranged in the optical cavity, and a fluorescent gel layer is arranged between the inner reflecting layer and the outer reflecting layer and completely covers the LED chips. A diffusion layer and a Fresnel lens are arranged on the fluorescent gel layer. A transparent protecting cover is arranged at the top end of the innerannular wall and the outer annular wall, and a third through hole is formed in the transparent protecting cover. The first through hole, the second through hole and the third through hole communicatewith one another in seque |
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