US 12,238,834 B2
Light driving apparatus and method for driving same
Dong Yun Kwak, Seoul (KR)
Assigned to LG INNOTEK CO., LTD., Seoul (KR)
Appl. No. 18/029,952
Filed by LG INNOTEK CO., LTD., Seoul (KR)
PCT Filed Oct. 8, 2021, PCT No. PCT/KR2021/013858
§ 371(c)(1), (2) Date Apr. 3, 2023,
PCT Pub. No. WO2022/075798, PCT Pub. Date Apr. 14, 2022.
Claims priority of application No. 10-2020-0130469 (KR), filed on Oct. 8, 2020.
Prior Publication US 2023/0380033 A1, Nov. 23, 2023
Int. Cl. H05B 45/34 (2020.01); H05B 45/14 (2020.01); H05B 45/325 (2020.01); H05B 47/16 (2020.01)
CPC H05B 45/325 (2020.01) [H05B 45/14 (2020.01); H05B 45/34 (2020.01); H05B 47/16 (2020.01)] 20 Claims
OG exemplary drawing
 
1. A light driving apparatus comprising:
a light part;
a first sensing part configured to sense an input current value of the light part;
a second sensing part configured to sense an output voltage value of the light part; and
a control part configured to sense the output voltage value through the second sensing part based on the input current value sensed through the first sensing part and determine a state of the light part based on the output voltage value;
wherein the control part is configured to:
control a sensing operation of the output voltage value through the second sensing part to start after a first de-bouncing time has elapsed from a start point in which current is applied to the light part, and
control the sensing operation of the output voltage value through the second sensing part to stop before a second de-bouncing time from an end point at which the current applied to the light part is blocked.