ARRAY OF LIGHT SOURCES COMPRISING MULTIPLE VCSELs

    公开(公告)号:WO2018153744A1

    公开(公告)日:2018-08-30

    申请号:PCT/EP2018/053660

    申请日:2018-02-14

    摘要: The invention describes an array of light sources (1) comprising multiple VCSELs (2) arranged laterally to each other on top of a substrate (3), wherein each VCSEL (2) comprises a light emitting area (21) surrounded by an electrode structure (22) which does not emit light, wherein a shielding layer (4) is applied on top of at least the electrode structure (22) only covering a surface (22s) of the electrode structure (22) facing towards an average light emitting direction (5) of the VECSELs (2), the shielding layer (4) is an opaque layer and being adapted to optically match the array (10) in a switched-off state to an outer surface (11s) of a housing (11) of a device (10), where the array (1) of light sources is to be installed. The invention further describes the device (10) comprising such an array (1) and a method (100) for manufacturing an array of light sources (1).

    FLASH LIGHT EMITTER WITH REMOTE COMMUNICATION FUNCTION

    公开(公告)号:WO2018104130A1

    公开(公告)日:2018-06-14

    申请号:PCT/EP2017/080856

    申请日:2017-11-29

    IPC分类号: G08C23/04

    CPC分类号: G08C23/04 G08C2201/93

    摘要: The invention describes a flash light module (1) comprising a housing (30) carrying at least a visible flash light emitter (10) to emit a flash light beam along an optical axis (OA) and at least one additional emitter (20) emitting non-visible light arranged at a second distance (D2) perpendicular to the optical axis (OA), where position and orientation of the additional emitter (20) and at least the second distances (D2) are suitably adapted as well as the housing (30) is suitably shaped in order to enable the additional emitter (20) to emit non-visible light (22) along a non-visible light emitting direction (IRD), wherein the additional emitter (20) is adapted to emit the non-visible light (22) to the environment suitable to remote communicate to, preferably to remote control, external electronic devices (5) comprising corresponding receivers for the non-visible light (22). The invention further describes a mobile device (100) comprising the flash light module (1) and a method to operate the mobile device (100).

    SEMICONDUCTOR LIGHT-EMITTING DEVICE
    4.
    发明申请

    公开(公告)号:WO2021013463A1

    公开(公告)日:2021-01-28

    申请号:PCT/EP2020/067807

    申请日:2020-06-25

    摘要: The invention describes a semiconductor light-emitting device (1) comprising an emitter matrix (10) comprising an arrangement of emitter cells (10E) interspersed with non-emitter cells (10e), wherein an emitter cell (10E) comprises a semiconductor emitter (10L), and a non-emitter cell (10e) does not comprise a semiconductor emitter; a number of bond pads (10B) for connection to a power supply (80); and a plurality of wirebonds (10W), wherein each wirebond (10W) extends from a bond pad (10B) to the semiconductor emitter (10L) of an emitter cell (10E). The invention also describes an imaging arrangement (5) comprising a light source (1L) for illuminating a scene (S), which light source (1L) comprises a pair of such semiconductor light-emitting devices (1). The invention also describes a method of manufacturing such a semiconductor light-emitting device.

    DEPTH MAP GENERATOR
    5.
    发明申请
    DEPTH MAP GENERATOR 审中-公开

    公开(公告)号:WO2020025382A1

    公开(公告)日:2020-02-06

    申请号:PCT/EP2019/069676

    申请日:2019-07-22

    IPC分类号: G06K9/00 G06K9/20 H04N13/271

    摘要: The invention describes a depth map generator (1) comprising an array (E, R) comprising a plurality of individually addressable array elements (EP, RP), wherein an array element (E P , R P ) comprises a semiconductor emitter (E P ) or a reflector (R P ) arranged to reflect light emitted by a semiconductor emitter (E X ); a driver (11) realised to switch an array element (E P , R P ) according to a predefined illumination pattern (X1, …, X4, XC); a number of image sensors (S, S1, S2), wherein an image sensor (S, S1, S2) is arranged to detect light (R) reflected from a scene (3) irradiated by the irradiation pattern (X1, …, X4, XC); and a processing unit (12) realised to compute a depth map (DM) of the scene (3) on the basis of a light pattern detected by an image sensor (S, S1, S2). The invention further describes an irradiation arrangement for use in such a depth map generator (1); a method of generating a depth map (DM) of a scene (3); and a device comprising such a depth map generator (1).

    INFRARED IMAGING ASSEMBLY
    6.
    发明申请

    公开(公告)号:WO2021032831A1

    公开(公告)日:2021-02-25

    申请号:PCT/EP2020/073318

    申请日:2020-08-20

    摘要: The invention describes an infrared imaging assembly (1) for capturing an infrared image (M0, M1) of a scene (S), comprising an infrared-sensitive image sensor (14); an irradiator (10) comprising an array of individually addressable infrared-emitting LEDs, wherein each infrared-emitting LED is arranged to illuminate a scene region (S1,..., S9); a driver (11) configured to actuate the infrared irradiator (10) by applying a switching pulse train (T1,..., T9) to each infrared-emitting LED; an image analysis module (13) configured to analyse a preliminary infrared image (M0) to determine the required exposure levels (130) for each of a plurality of image regions (R1,..., R9); and a pulse train adjusting unit (12) configured to adjust the duration (L1,..., L9) of a switching pulse train (T1,..., T9) according to the required exposure levels (130). The invention also described a method of generating a depth map (D) for a scene (S); a depth map generator comprising an embodiment of the inventive infrared imaging assembly (1); and a camera comprising such a depth map generator (2).