公开(公告)号：US20170157420A1

公开(公告)日：2017-06-08

申请号：US15323961

申请日：2015-07-06

申请人： PHILIPS LIGHTING HOLDING B.V.

发明人： OEGE SMEDINGA ,  GEORG HAGENAUER ,  YPE BERNARDUS BRADA

IPC分类号： A61N5/06 ,  F21V8/00

CPC分类号： A61N5/0618 ,  A61N2005/0643 ,  A61N2005/0663 ,  A61N2005/0667 ,  G02B5/021 ,  G02B5/0278 ,  G02B6/0036 ,  G02B6/005 ,  G02B6/0051 ,  G02B6/0055 ,  G02B6/0058 ,  G02B6/0085 ,  G02B27/0018

摘要： The present disclosure concerns a lighting device (100) and a method of masking an edge transition (15e). An edge structure (15) provides the light with a first edge transition (L1) along a circumference (15e) of the edge structure (15). A patterned layer (11) is provided between the edge structure (15) and the front side (31) of the device. The patterned layer (11) comprises a gradient edge pattern (11g) configured to provide the transmitted light with a second edge transition (L2). The gradient edge pattern (11g) is configured with respect to the circumference (15e) of the edge structure (15) to smoothen the first edge transition (L1). A diffuser (10) is disposed between the front side (31) and the patterned layer (11) for scattering the light of the second edge transition (L2) to smoothen the second edge transition (L2) of the gradient edge pattern (11g).