US 11,732,874 B2
Light strip, backlight module and display device
Boning Wang, Beijing (CN); Gang Liu, Beijing (CN); Jian Ren, Beijing (CN); Jiantao Liu, Beijing (CN); and Li Tian, Beijing (CN)
Assigned to Beijing BOE Optoelectronics Technology Co., Ltd., Beijing (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Appl. No. 17/761,554
Filed by Beijing BOE Optoelectronics Technology Co., Ltd., Beijing (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed May 19, 2021, PCT No. PCT/CN2021/094522
§ 371(c)(1), (2) Date Mar. 17, 2022,
PCT Pub. No. WO2021/258928, PCT Pub. Date Dec. 30, 2021.
Claims priority of application No. 202021202702.5 (CN), filed on Jun. 24, 2020.
Prior Publication US 2022/0364711 A1, Nov. 17, 2022
Int. Cl. F21V 19/00 (2006.01); F21K 9/20 (2016.01); F21V 33/00 (2006.01); G02F 1/13357 (2006.01); F21Y 103/10 (2016.01); F21Y 115/10 (2016.01)
CPC F21V 19/0025 (2013.01) [F21K 9/20 (2016.08); F21V 33/0052 (2013.01); G02F 1/1336 (2013.01); G02F 1/133615 (2013.01); F21Y 2103/10 (2016.08); F21Y 2115/10 (2016.08)] 17 Claims
OG exemplary drawing
 
1. A light strip, comprising a circuit board, wherein a plurality of Light-Emitting Diodes (LEDs) is arranged on the circuit board and spaced apart from each other in an extension direction of the circuit board, a positive connection end and a plurality of negative connection ends are arranged on the circuit board, and a plurality of LEDs is coupled between each negative connection end and the positive connection end, wherein each LED comprises a first electrode and a second electrode arranged opposite to each other, the plurality of negative connection ends comprises a first negative connection end, a plurality of LEDs between the first negative connection end and the positive connection end comprises a head-end LED, a tail-end LED and a plurality of intermediate LEDs between the head-end LED and the tail-end LED;
a first electrode of the head-end LED is electrically coupled to a second electrode of the tail-end LED, the first electrode is a positive electrode, and the second electrode is a negative electrode; and
the plurality of LEDs between the first negative connection end and the positive connection end comprises a first LED and a second LED arranged at opposite sides of a first position in the extension direction of the circuit board, a second electrode of the first LED is coupled to the first negative connection end, and a first electrode of the second LED is coupled to the positive connection end.