Sensor device having an integral bi-radial lens

Details Sensor device having an integral bi-radial lens Sensor device having an integral bi-radial lens

G - Physics

01

D

G01D 5/30 (2006.01) B60H 1/00 (2006.01) B60K 35/00 (2006.01) B60Q 1/08 (2006.01) B60Q 3/02 (2006.01) B60R 1/08 (2006.01) B60S 1/08 (2006.01) G01D 5/36 (2006.01) G01J 1/04 (2006.01) G02B 17/00 (2006.01)

Patent

CA 2470494

The inventive sensor device (10) provides different fields of view in transverse directions. The sensor device include a support structure (12), a sensing element (15) mounted on the support structure for sensing optical radiation and generating an electrical output signal in response thereto, and an encapsulant (17) encapsulating the sensing element on the support structure. The encapsulant includes an integral lens (20) having a bi-radial surface (22). Alternatively or additionally, the encapsulant may have at least a first zone (102) and a second zone (104), where the second zone exhibits at least one different characteristic from the first zone, such as a different optical, physical, thermal, or compositional characteristic.

L'invention concerne un dispositif de détection (10) offrant différents champs angulaires dans des directions transversales. Le dispositif de détection comporte une structure de support (12), un élément de détection (15) monté sur la structure de support afin de capter le rayonnement optique et de générer un signal de sortie électrique en réponse au rayonnement, et un élément d'encapsulation (17) encapsulant l'élément de détection sur la structure de support. Ledit élément d'encapsulation comprend une lentille intégrée (20) ayant une surface bi-radiale (22). Selon une autre variante ou en sus, l'élément d'encapsulation peut présenter au moins une première zone (102) et une seconde zone (104), cette dernière possédant au moins une caractéristique différente de la première zone, notamment une caractéristique différente optique, physique, thermique ou de composition.

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