公开(公告)号：US10345611B2

公开(公告)日：2019-07-09

申请号：US14517225

申请日：2014-10-17

Applicant: ams Sensors Singapore Pte. Ltd.

Inventor： Daniel Dias ,  Ville Kettunen ,  Markus Rossi

IPC: F21V5/00 ,  G02B5/18 ,  F21V33/00 ,  G02B27/30 ,  G03B15/05

Abstract: An illumination system including at least one light source such as an electroluminescent element, e.g. a light emitting diode (LED), and at least one optical element whose surface is structured by diffraction and/or refraction type optical microstructures. In order to shape the beam, the optical element includes at least two sections whose optical microstructures and therefore optical properties are different from one another. The pattern of the microstructures in each of the at least two sections is, at least over a predetermined angular range, rotationally symmetric with respect to the optical axis or another symmetry axis.

公开(公告)号：US10373996B2

公开(公告)日：2019-08-06

申请号：US15651510

申请日：2017-07-17

Applicant: ams Sensors Singapore Pte. Ltd.

Inventor： Stephan Heimgartner ,  Ville Kettunen ,  Nicola Spring ,  Alexander Bietsch ,  Mario Cesana ,  Hartmut Rudmann ,  Jukka Alasirnio ,  Robert Lenart

IPC: H04N5/225 ,  H01L27/146 ,  G02B27/00 ,  H01L31/18 ,  H01L31/0216 ,  H01L31/0232

Abstract: Fabricating optical devices can include mounting a plurality of singulated lens systems over a substrate, adjusting a thickness of the substrate below at least some of the lens systems to provide respective focal length corrections for the lens systems, and subsequently separating the substrate into a plurality of optical modules, each of which includes one of the lens systems mounted over a portion of the substrate. Adjusting a thickness of the substrate can include, for example, micro-machining the substrate to form respective holes below at least some of the lens systems or adding one or more layers below at least some of the lens systems so as to correct for variations in the focal lengths of the lens systems.