US 12,460,781 B1
LED vehicle lamp
Dianbo Pan, Guangdong (CN)
Assigned to ZHUHAI ZHENGYUAN OPTOELECTRONIC TECHNOLOGY CO., LTD., Zhuhai (CN)
Filed by Zhuhai Zhengyuan Optoelectronic Technology Co., Ltd., Guangdong (CN)
Filed on Mar. 5, 2025, as Appl. No. 19/071,160.
Claims priority of application No. 202422090344.8 (CN), filed on Aug. 27, 2024.
Int. Cl. F21S 41/19 (2018.01); F21S 41/143 (2018.01)
CPC F21S 41/192 (2018.01) [F21S 41/143 (2018.01)] 15 Claims
OG exemplary drawing
 
1. An LED vehicle lamp, comprising: a first circuit board, wherein an LED chip is provided on the first circuit board, a light guide member is provided on one side of a light emitting surface of the LED chip, the light guide member is a transparent and positioned right above the LED chip, and light transmission members are provided outside the light guide member, the first circuit board and the LED chip;
and wherein
each of the light transmission members comprises a top wall and a peripheral wall, the peripheral wall is transparent, at least one first heat dissipation hole is provided on the top wall, and stripes extending along a horizontal direction are provided on the peripheral wall of the light transmission member, the stripes are used to diffuse the passing light;
the LED vehicle lamp further comprises a second circuit board, the second circuit board is perpendicular to and electrically connected to the first circuit board, the first circuit board is circumferentially provided with a first mounting groove, an extending portion is provided at one end of the second circuit board close to the first circuit board, and at least a part of the extending portion extends into the first mounting groove and abuts against the first mounting groove.