Philips Lighting Holding B.v.

Yemei He

Yan Xiong

Qingqing Jiang

Hongxia Li

Haoyang Shi

Shi Dong Lin

Disclosed is a lighting device () comprising a heat sink () having an annular portion () including an annular surface portion () delimiting a central aperture (), said annular surface portion () carrying a plurality of SSL elements (); and a bulbous member () cooperating with the heat sink (), said bulbous member () having a first surface portion () opposite said SSL elements () and a second surface portion () extending from said first surface portion () through said central aperture (); wherein the bulbous member () is used as a light guide member for light emitted by the plurality of SSL elements (). A luminaire including such a lighting device () is also disclosed.

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Shanghai, China

Yemei He