公开(公告)号：US10802291B1

公开(公告)日：2020-10-13

申请号：US16360258

申请日：2019-03-21

Applicant: Apple Inc.

Inventor： Refael Della Pergola ,  Chandra Kakani ,  Roei Remez ,  Yuval Tsur

IPC: G03B21/14 ,  G02B5/18 ,  G02B27/28 ,  G02B5/04 ,  G02B3/00 ,  G02B27/00

Abstract: A compact folded projection system is described that includes a laser light source, a folded lens system comprising a lens stack including two or more refractive lenses and a light folding element (e.g., a prism), and a diffractive beam splitter that includes at least one diffractive surface. The light folding element provides a “folded” optical axis for the lens system to reduce the Z-height of the projection system, for example to within a range of 1.7 to 4 millimeters (e.g., 2 millimeters in some implementations). The laser light source emits light that is refracted by the lens stack to the folding element. The folding element redirects the light to the beam splitter which replicates the light into N×M duplications or tiles to thus generate a larger field of view (FOV) than the internal FOV of the lens system.

公开(公告)号：US20200084438A1

公开(公告)日：2020-03-12

申请号：US16554647

申请日：2019-08-29

Applicant: Apple Inc.

Inventor： Assaf Avraham ,  Refael Della Pergola ,  Roei Remez

IPC: H04N17/00 ,  H04N5/217 ,  H01L27/146

Abstract: Imaging apparatus includes a housing, with imaging optics mounted in the housing and configured to form an optical image, at a focal plane within the housing, of an object outside the housing. An image sensor, including a matrix of detector elements, is positioned at the focal plane in alignment with the imaging optics and is configured to output an electronic image signal in response to optical radiation that is incident on the detector elements. At least one emitter is fixed within the housing and is configured to emit a test beam toward one or more reflective surfaces within the housing, which reflect the test beam toward the image sensor. A processor is configured to process the electronic image signal output by the image sensor in response to the reflected test beam so as to detect a change in the alignment of the image sensor with the imaging optics.

公开(公告)号：US20200081165A1

公开(公告)日：2020-03-12

申请号：US16537580

申请日：2019-08-11

Applicant: Apple Inc.

Inventor： Assaf Avraham ,  Refael Della Pergola ,  Roei Remez

IPC: G02B5/04 ,  G02B5/08 ,  H01S5/022 ,  H01S5/00

Abstract: An opto-electronic device includes a semiconductor substrate having a planar surface. An emitter is formed on the substrate and configured to emit a beam of light away from the planar surface. A reflective layer is formed on the planar surface adjacent to the emitter. A transparent layer is formed over the planar surface and has a curved outer surface including a first segment positioned vertically over the emitter and configured to internally reflect the emitted beam of light toward the reflective layer, and a second segment positioned and configured to collimate and transmit the beam reflected from the reflective layer.