Patent ID: 11913635
Assignee: SELF ELECTRONICS CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC F | IPC F

Claim 9:
10. An illumination method through the lens of claim 1, comprising the following steps:
irradiating, through a lens formed by a first irradiation part and a second irradiation part, the first irradiation part having a concave surface and a convex surface, and the first irradiation part and the second irradiation part forming a concave for placement of a light source, an upper region of a front surface of a to-be-irradiated object (200) by the first irradiation part (2); and
irradiating a lower region of the front surface of the to-be-irradiated object (200) by the second irradiation parts (3) of the lens.