US 12,072,086 B1
LED lamp
Jianyong Xu, Shenzhen (CN); and Yuqiang Zhong, Shenzhen (CN)
Assigned to SHENZHEN SNC OPTO ELECTRONIC CO., LTD, Shenzhen (CN)
Filed by SHENZHEN SNC OPTO ELECTRONIC CO., LTD, Shenzhen (CN)
Filed on Dec. 12, 2023, as Appl. No. 18/537,309.
Claims priority of application No. 202310704450.8 (CN), filed on Jun. 14, 2023.
Int. Cl. F21V 29/76 (2015.01); F21V 19/02 (2006.01); F21Y 105/16 (2016.01); F21Y 115/10 (2016.01)
CPC F21V 29/763 (2015.01) [F21V 19/02 (2013.01); F21Y 2105/16 (2016.08); F21Y 2115/10 (2016.08)] 13 Claims
OG exemplary drawing
 
1. An LED lamp comprising:
a heat sink defining a first groove arranged on a front surface thereof;
an LED light board fixed in the first groove;
a first transparent plate arranged on a side of an emitting surface of the LED light board; and wherein
the LED lamp further comprises a movable member installed on the heat sink and connected to the first transparent plate by a transmission way, the movable member configured to drive the first transparent plate to move relative to the LED light board, so as to adjust a distance between the LED light board and the first transparent plate; and wherein
the movable member comprises a rotation shaft and a moving member connected to the rotation shaft by a transmission way, the moving member arranged on a side of the first transparent plate near the first groove and connected to the first transparent plate; wherein the rotation shaft defines a screw thread and the moving member defines a threaded hole, so that the rotation shaft is inserted into the moving member to drive the moving member to stretch out and draw back by engaging the screw thread with the threaded hole; and wherein
the heat sink defines a shaft hole, the rotation shaft passing through the shaft hole and extending out of the heat sink so that the rotation shaft can be rotated externally.