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

Claim 7:
8. The vehicle lamp optical assembly according to claim 1, wherein the light guide portion of the low-beam inflection-point primary optical unit is a low-beam light guide portion, the primary light emission surface of the low-beam light guide portion is a low-beam primary light emission surface, the secondary light entrance surface corresponding to the low-beam primary light emission surface comprises at least one low-beam secondary light entrance surface, the low-beam secondary light entrance surface is a curved surface protruding backwards, the low-beam secondary light entrance surfaces are in one-to-one correspondence to the light entrance portions, and a low-beam inflection-point cut-off line structure for forming a low-beam inflection-point cut-off line is provided on a front boundary of a lower surface of the low-beam light guide portion.