F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
F21V 31/00 (2006.01) F21S 2/00 (2006.01) F21V 5/04 (2006.01) H01L 33/00 (2010.01)
Patent
CA 2685915
An LED apparatus (10) of the type having a mounting board (12), an LED package thereon with a primary lens (16), and a secondary lens member (20) over the primary lens and establishing a light path therebetween, includes a resilient member (22) against the secondary lens member in position other than in the light path, the resilient member yieldingly constraining the secondary lens member and accommodating secondary lens member movement caused by primary lens thermal expansion during operation.
L'invention porte sur un appareil à DEL (10) du type comprenant : une plaque de montage (12); un boîtier à DEL comprenant une lentille primaire (16), qui est disposé sur la plaque de montage; et un élément lentille secondaire (20) disposé sur la lentille primaire, une trajectoire lumineuse étant établie entre les deux lentilles. L'appareil à DEL de l'invention comprend un élément élastique (22) disposé contre l'élément lentille secondaire, dans une position autre que dans la trajectoire lumineuse, lequel élément élastique confine de manière élastique l'élément lentille secondaire et s'adapte au mouvement de l'élément lentille secondaire causé par l'expansion thermique de la lentille primaire en cours de fonctionnement.
Guillien Wayne
Walczak Steve R.
Wilcox Kurt S.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Ruud Lighting Inc.
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