T Takagaki - US Patent 10,836,310, 2020 - Google Patents
A light source control device for a vehicle is provided with a low beam and a high beam that are connected in series, an LED driving circuit that supplies electricity to the low beam and …
CC Lin - US Patent 10,849,202, 2020 - Google Patents
A lighting system suitable for receiving two kinds of power signals includes a light emitting unit, a switch control circuit, first and second power adjustment circuits, and first and second …
LEE Cheng-Jen, YL Chen, CH Lu - US Patent 11,503,689, 2022 - Google Patents
A circuit protection apparatus (100) is used to protect an LED drive circuit (200), and the circuit protection apparatus (100) includes a first switch unit (1) and a snubber circuit (3). The …
T Van Tran, V Yousefzadeh - US Patent 11,464,093, 2022 - Google Patents
SUMMARY FIG. 2 is a circuit diagram of a driver in accordance with various examples. In an example, an apparatus includes a first transistor, a FIG. 3 is diagram of waveforms in …
CC Lin - US Patent 11,096,265, 2021 - Google Patents
A lamp group switching control device for switching and controlling a first lamp group and a second lamp group is provided. When receiving a first power source for driving the first lamp …
C Burcovich, G Manfreda, S Padovani - US Patent 11,209,498, 2021 - Google Patents
Automotive lighting unit is provided that includes a lighting device equipped with one or more OLED light sources, and an electronic device configured to determine a malfunction …