# US 2013/0153772 A1 · Opto-electronic module and devices comprising the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0153772 A1 - Document ID: US20130153772A1 - Status: Published application - Kind: A1 - Application number: 13/720,645 - Filed: 2012-12-19 - Published: 2013-06-20 - Earliest claimed: 2011-12-20 - Assignees: Heptagon Micro Optics Pte. Ltd. - Inventors: Markus Rossi; Ville Kettunen - Web page: https://patentgrep.com/patent/US20130153772A1 ## CPC - G01V 8/12: using one transmitter and one receiver - G01J 1/0411: {using focussing or collimating elements, i.e. lenses or mirrors; Aberration correction} - G01J 5/0831: Masks; Aperture plates; Spatial light modulators - G01S 7/4811: {common to transmitter and receiver} - G01S 17/04: Systems determining the presence of a target - G01V: GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS (means for indicating the location of accidentally buried, e.g. snow-buried, persons A63B29/02) - G01J: MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY (light sources F21, H01J, H01K, H05B; investigating properties of materials by optical means G01N) - G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES ## Abstract An opto-electronic module includes a detecting channel comprising a detecting member for detecting light and an emission channel comprising an emission member for emitting light generally detectable by said detecting member. Therein, a radiation distribution characteristic for an emission of light from said emission channel is non rotationally symmetric; and/or a sensitivity distribution characteristic for a detection in said detecting channel of light incident on said detection channel is non rotationally symmetric; and/or a central or main emission direction for an emission of light from said emission channel and a central or main detection direction for a detection of light incident on said detection channel are aligned not parallel to each other; and/or at least a first one of the channels comprises one or more passive optical components. ## Claims ### Claim 1 An opto-electronic module comprising a detecting channel comprising a detecting member for detecting light; an emission channel comprising an emission member for emitting light generally detectable by said detecting member; wherein at least one of A) a radiation distribution characteristic for an emission of light from said emission channel is non rotationally symmetric; B) a sensitivity distribution characteristic for a detection in said detecting channel of light incident on said detection channel is non rotationally symmetric; C) a central emission direction for an emission of light from said emission channel and a central detection direction for a detection of light incident on said detection channel are aligned not parallel to each other; D) a main emission direction for an emission of light from said emission channel and a main detection direction for a detection of light incident on said detection channel are aligned not parallel to each other; E) at least a first one of said detecting channel and said emission channel comprising at least one of e1) at least two passive optical components each having an optical axis, wherein said at least two passive optical components are arranged such that said at least two optical axes do not coincide; e2) at least one passive optical component having an optical axis, wherein said at least one passive optical component is arranged with respect to said detecting member and said emission member, respectively, comprised in said first channel such that said optical axis does not coincide with a central axis of detection and emission, respectively, of said detecting member and said emission member, respectively, comprised in said first channel; e3) at least one passive optical component constituting a non rotationally symmetric beam forming element or a portion of a non rotationally symmetric forming element, in particular a non rotationally symmetric lens or a portion of a non rotationally symmetric lens; e4) at least one passive optical component arranged so as to accomplish that a main direction or a central direction of light entering and exiting, respectively, said first channel is angled with respect to a main direction and central direction, respectively, of light entering and exiting, respectively, said first channel without presence of said at least one passive optical component in said first channel. ### Claim 2 (depends on 1) The opto-electronic module according to claim 1, wherein said opto-electronic module is a proximity sensor. ### Claim 3 (depends on 1) The opto-electronic module according to claim 1, wherein said opto-electronic module comprises a housing in which said detecting member and said emission member are arranged. ### Claim 4 (depends on 3) The opto-electronic module according to claim 3, wherein a shape of said housing defines a first plane, and wherein at least one of a radiation intensity distribution for an emission of light from said emission channel; and a radiation sensitivity distribution for the detection by said detecting member of light incident on said opto-electronic module; is asymmetric with respect to any surface normal of said first plane. ### Claim 5 (depends on 1) The opto-electronic module according to claim 1, wherein constituents of said opto-electronic module are structured and arranged such that at least one of cases A), B), C), D) applies. ### Claim 6 (depends on 1) The opto-electronic module according to claim 1, wherein A) and B) applies. ### Claim 7 (depends on 1) The opto-electronic module according to claim 1, wherein in each of said emission channel and detecting channel, at least one of cases e1) to e4) applies. ### Claim 8 (depends on 1) The opto-electronic module according to claim 1, wherein one of said detecting channel and said emission channel comprises, in particular wherein both of said detecting channel and said emission channel comprise, at least one passive optical component, said at least one passive optical component being identical with or different from passive optical components addressed in case E), in particular wherein said at least one passive optical component is a lens element. ### Claim 9 (depends on 1) The opto-electronic module according to claim 1, wherein at least one of said detecting and emission channels comprises at least one lens element which is cut at at least one side, in particular wherein said side faces the respective other channel. ### Claim 10 (depends on 1) The opto-electronic module according to claim 1, comprising a substrate on which said detecting member and said emission member are mounted, in particular wherein said substrate is a printed circuit board. ### Claim 11 (depends on 1) The opto-electronic module according to claim 1, comprising an optics member comprising at least one passive optical component, in particular wherein the opto-electronic module further comprises a spacer member. ### Claim 12 (depends on 11) The opto-electronic module according to claim 11, further comprising a baffle member arranged next to said optics member and forming a portion of a housing of said opto-electronic module. ### Claim 13 (depends on 1) The opto-electronic module according to claim 1, wherein said detecting channel and said emission channel are physically separated, in particular wherein said physical separation is constructed such that light generally detectable by said detecting member emitted by said emission member and remaining within the opto-electronic module cannot enter the detecting channel and be detected by said detecting member. ### Claim 14 An opto-electronic module comprising a first optical channel; a second optical channel; wherein at least one of said first and second optical channels comprises an optical structure, for which at least one of the following applies: said optical structure constituting a non rotationally symmetric beam forming element or a portion of a non rotationally symmetric forming element, in particular wherein said optical structure is a passive optical component constituting a non rotationally symmetric beam forming element or a portion of a non rotationally symmetric forming element; said optical structure constituting a non rotationally symmetric lens or a portion of a non rotationally symmetric lens, in particular wherein said optical structure is a passive optical component constituting a non rotationally symmetric lens or a portion of a non rotationally symmetric lens; said optical structure constituting a passive optical component having a non-circular aperture, in particular a lens or lens element having a non-circular lens aperture; said optical structure constituting a passive optical component having an aperture describing a shape of a truncated circle, in particular a lens or lens element describing a shape of a truncated circle; said optical structure constituting a passive optical component having an aperture describing a shape of a circle a section of which is replaced by a straight line, in particular a lens or lens element describing a shape of a circle a section of which is replaced by a straight line; said optical structure constituting a truncated lens or lens element, in particular wherein said lens or lens element is truncated along a straight line; said optical structure is a cut optical structure, in particular a cut lens or lens element; said optical structure is a lens or lens element which is cut at at least one side; said optical structure constituting a lens or lens element having a non-circular edge, in particular an edge comprising a circular edge portion and, in addition, a non-circular edge portion, more specifically wherein said non-circular edge portion describes a straight line. ### Claim 15 (depends on 14) The opto-electronic module according to claim 14, wherein said first optical channel is a detecting channel comprising a detecting member for detecting light; said second optical channel is an emission channel comprising an emission member for emitting light generally detectable by said detecting member. ### Claim 16 (depends on 14) The opto-electronic module according to claim 14, wherein said optical structure is a spherical lens. ### Claim 17 (depends on 14) The opto-electronic module according to claim 14, wherein said optical structure is a refractive lens or lens element, in particular a convex lens or lens element. ### Claim 18 (depends on 14) The opto-electronic module according to claim 14, wherein said optical structure is a plane-convex lens or lens element. ### Claim 19 (depends on 14) The opto-electronic module according to claim 14, wherein each of said first and second channels comprises such an optical structure. ### Claim 20 (depends on 19) The opto-electronic module according to claim 19, wherein truncated sides of respective truncated circles in said first and second channels face each other; the respective straight lines of said apertures in said first and second channels face each other; respective truncated portions in said first and second channels face each other; respective cut portions in said first and second channels face each other; respective sides at which said lens or lens elements in said first and second channels are cut face each other; and respective non-circular edges in said first and second channels face each other; respectively. ### Claim 21 An opto-electronic module comprising a detecting channel comprising a detecting member for detecting light; an emission channel comprising an emission member for emitting light generally detectable by said detecting member; wherein at least a first one of said detecting channel and said emission channel comprises at least one passive optical component constituting a non rotationally symmetric beam forming element or a portion of a non rotationally symmetric forming element. ### Claim 22 An opto-electronic module comprising a detecting channel comprising a detecting member for detecting light; an emission channel comprising an emission member for emitting light generally detectable by said detecting member; wherein at least a first one of said detecting channel and said emission channel comprises at least one lens element which is cut at at least one side. ### Claim 23 (depends on 1) An electronic circuit comprising: an opto-electronic module according to claim 1; and a printed circuit board on which said opto-electronic module is mounted. ### Claim 24 (depends on 1) An electro-optic arrangement comprising: an opto-electronic module according to claim 1; and an object to which said opto-electronic module is attached in an attachment region of said object, wherein at least in a portion of said attachment region said object is transparent for light generally detectable by said detecting member. ### Claim 25 (depends on 24) The electro-optic arrangement according to claim 24, wherein at least in said attachment region said object is generally plate-shaped. ### Claim 26 (depends on 25) The electro-optic arrangement according to claim 25, wherein said detecting channel and said emission channel and said object are structured and arranged such that light emitted from said emission channel and experiencing a single internal reflection in said object propagates on paths only which do not reach an optically active surface of said detecting member. ### Claim 27 (depends on 24) The electro-optic arrangement according to claim 24, wherein said object has a first side and generally opposite thereto a second side, said opto-electronic module being attached to said first side, in particular wherein a surface of said object at said second side is structured such that light generally detectable by said detecting member propagating inside said object can, at least partially, be internally reflected by said surface. ### Claim 28 (depends on 24) The electro-optic arrangement according to claim 24, wherein said object is a transparent plate, in particular a transparent glass plate or a transparent polymer plate. ### Claim 29 (depends on 1) A device comprising: an opto-electronic module according to claim 1; and wherein the device is a hand-held device. ### Claim 30 (depends on 29) The device of claim 29 wherein the device is a hand-held communication device. ### Claim 31 (depends on 30) The device of claim 30 wherein the device is a smart phone. ### Claim 32 (depends on 29) The device according to claim 29, wherein the device is a photographic device.