LIGHT DEVICE AND LUMINAIRE Russian patent published in 2019 - IPC F21K99/00 

Abstract RU 2681309 C2

FIELD: electrical equipment.

SUBSTANCE: invention relates to the electrical equipment. Light device (10) comprises heat sink (30) having annular portion (31), including annular surface portion (33) defining central hole (37), however, said annular surface portion (31) carrying a plurality of solid-state light elements (50), and bulbous element (20) interacting with the heat sink. Said bulbous element (20) has first surface portion (21) opposite to said solid-state light elements (50), and second surface portion (22) extending from said first surface portion (21) through said central hole (37). In addition, a luminaire is disclosed, which includes light device (10).

EFFECT: ensuring uniform light distribution.

14 cl, 6 dwg

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RU 2 681 309 C2

Authors

Li, Hongxia

Xiong, Yan

He, Yemei

Lin, Shi Dong

Jiang, Qingqing

Shi, Haoyang

Dates

2019-03-06Published

2015-04-08Filed