Patent ID: 11898714
Assignee: HASCO VISION TECHNOLOGY CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC F | IPC F

Claim 13:
14. The vehicle lamp optical assembly according to claim 1, wherein the primary optical unit is a low-beam inflection-point primary optical unit, a low-beam widening primary optical unit or a high-beam primary optical unit, and the primary optical unit group comprises at least one or more of the low-beam inflection-point primary optical units, the low-beam widening primary optical units and the high-beam primary optical units; the light guide portion of the low-beam inflection-point primary optical unit is a low-beam light guide portion, the light guide portion of the low-beam widening primary optical unit is a low-beam widening light guide portion, a III-region structure for forming a low-beam III-region light shape is provided at each of lower portions of front ends of the low-beam light guide portion and the low-beam widening light guide portion, and a concave-convex structure is provided on a III-region light entrance surface of the III-region structure.