发明名称 Lighting apparatus having a predetermined light distribution area
摘要 A lighting apparatus is provided. The lighting apparatus may include a mounting block provided on a heat sink and having a plurality of light emitting modules installed thereon, and a bulb surrounding the mounting block. One or more reflectors may reflect light emitted by the light emitting modules so as to distribute light within a predetermined light distribution area.
申请公布号 US9107253(B2) 申请公布日期 2015.08.11
申请号 US201213570368 申请日期 2012.08.09
申请人 LG ELECTRONICS, INC. 发明人 Kim Jaehwan;Ha Limkyoung;Paik Dongki;Cho Hankyu
分类号 F21V29/00;F21V13/00;H05B33/08;F21K99/00;F21V3/02;F21V13/04;F21V29/77;F21Y101/02 主分类号 F21V29/00
代理机构 Ked & Associates, LLP 代理人 Ked & Associates, LLP
主权项 1. A lighting apparatus, comprising: a heat sink having a plurality of fins; a mounting block provided over the heat sink and having a top surface and a plurality of side surfaces; a bulb provided over the heat sink and surrounding the mounting block; at least one light emitting module, the at least one light emitting module including: a first substrate provided on a corresponding one of the plurality of side surfaces of the mounting block; andLEDs mounted on the first substrate to emit light towards a corresponding side area of the bulb; an electronic module electrically connected to the at least one light emitting module; and a first reflector mounted on the mounting block and reflecting light emitted from the LEDs towards a lower end area of the bulb, wherein the plurality of fins of the heat sink is separated from the lower end area of the bulb by a predetermined interval so as to prevent interference with light emitted from the LEDs within a predetermined light distribution angle, wherein the bulb includes a first diffusion section formed at an upper end thereof, anda second diffusion section formed at a lower end thereof, wherein the first diffusion section and the second diffusion section have different curvatures, wherein the first reflector includes a cavity surrounding the top surface of the mounting block and a reflective part extending from an outer circumferential surface of the cavity, and wherein a plurality of mounting protrusions are provided on the first substrate of the at least one light emitting module, and corresponding plurality of mounting grooves are provided at the cavity of the first reflector to receive the mounting protrusions therein.
地址 Seoul KR