US 12,345,409 B2
Light-mixing cover with different lenses, and lighting device
Huaiyou Mo, Guangdong (CN)
Assigned to Aputure Imaging Industries Co., Ltd., Shenzhen (CN)
Filed by Aputure Imaging Industries Co., Ltd., Guangdong (CN)
Filed on Dec. 29, 2023, as Appl. No. 18/400,448.
Claims priority of application No. 202320723594.3 (CN), filed on Mar. 30, 2023.
Prior Publication US 2024/0328596 A1, Oct. 3, 2024
Int. Cl. F21V 5/00 (2018.01); F21V 9/08 (2018.01); F21Y 113/00 (2016.01); F21Y 115/10 (2016.01)
CPC F21V 9/08 (2013.01) [F21V 5/007 (2013.01); F21Y 2113/00 (2013.01); F21Y 2115/10 (2016.08)] 18 Claims
OG exemplary drawing
 
1. A light-mixing cover, comprising a base plate and a plurality of lens groups,
wherein the base plate has a lens plane, and the plurality of lens groups are arranged on the lens plane in a first direction;
each of the lens groups comprises a plurality of lenses arranged at intervals in a second direction perpendicular to the first direction;
at least one of the lenses is different in structure from a lens of the lenses adjacent to the at least one of the lenses; and
each of the lenses has an incident surface and an exit surface opposite to the incident surface, the incident surface is configured to receive and guide light to be refracted, and the exit surface is configured to receive and guide the refracted light to exit;
each of the lens groups comprises a first lens and a second lens, the first lens has a first incident surface on which a first convex portion is provided, and the second lens has a second incident surface on which a second convex portion is provided; a plurality of concentric first tooth rings are provided to protrude from the first incident surface and surround the first convex portion; and a plurality of concentric second tooth rings are provided to protrude from the second incident surface and surround the second convex portion;
wherein bottom ends of the plurality of first tooth rings along protruding directions thereof are protruded with respect to top ends of the plurality of second tooth rings along protruding directions thereof.