Patent ID: 11898725
Assignee: SELF ELECTRONICS CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC F | IPC F

Claim 1:
2. The jewelry lighting lamp as claimed in claim 1, wherein the main light source (11) and the at least one secondary light source (12) respectively form a main light spot (113) and an auxiliary light spot (123) in an illuminated area, the main light spot (113) having a brightness Bb, the auxiliary light spot (123) having a brightness Ba, the auxiliary light spot (123) is always within an area of the main spot (113) during rotation, a superimposed light spot (123′) formed by superpositioning the main light spot (113) and the auxiliary light spot (123) having a brightness Ba+Bb; a ratio of a brightness difference between the main light spot (113) and the superimposed light spot (123′) ΔB=Ba and the brightness Bb of the main light spot (113) is defined as a brightness contrast C=Ba/Bb, and the brightness contrast C is less than a critical brightness contrast Cpro.