发明名称 Lighting device and method of controlling light emitted thereby
摘要 A lighting device and a method of controlling a light emitted thereby are disclosed. A lighting device including light emitting units configured of a plurality of light emitting diodes connected with each other in series according to the present invention may include a rectifier unit configured to rectify an alternation current voltage to supply the rectified voltage to each of the light emitting units, a control unit configured to control on and off of each light emitting unit according to the input voltage and light emitting units configured to be on and off based on the control of the control unit, wherein a first light emitting unit and a second light emitting unit are connected with each other in series, and the first light emitting unit and a third light emitting unit are connected with each other in parallel.
申请公布号 US8766547(B2) 申请公布日期 2014.07.01
申请号 US201213421071 申请日期 2012.03.15
申请人 LG Electronics Inc. 发明人 Kim Namjin
分类号 G09G3/32 主分类号 G09G3/32
代理机构 Ked & Associates, LLP 代理人 Ked & Associates, LLP
主权项 1. A lighting device including light emitting units configured of a plurality of light emitting diodes connected with each other in series, the lighting device comprising: a rectifier unit configured to rectify an alternation current voltage to supply the rectified voltage to each of the light emitting units; a control unit configured to control on and off of each light emitting unit according to input voltage; and the light emitting units configured to be on and off based on the control of the control unit, wherein a first light emitting unit and a second light emitting unit are connected with each other in series, and the first light emitting unit and a third light emitting unit are connected with each other in parallel, and wherein the control unit controls the on and off of the light emitting unit to prevent reversed light velocity change of the lighting device based on the input voltage input.
地址 Seoul KR