Abstract: The invention describes an imaging device (1) comprising an image sensor (2), an imaging lens (3), an infrared light source (5) to illuminate a scene (SC), and an infrared autofocus system (6) for providing an autofocus function, wherein the image sensor (2) comprises an array (21) of sensor pixels each arranged as dual pixel (22) comprising two separate pixel sensors (22a, 22b) per dual pixel (22) to record the image data (D1) as a sum signal from both pixel sensors (22a, 22b) and providing infrared data (D2) as individual signals from each of the two pixel sensors (22a, 22b) for phase contrast (PC) autofocusing, wherein an infrared filter (7) arranged between an aperture (4) of the imaging device (1) and an imaging sensor (2) and is adapted to locally transmit only a portion of the infrared light (IR) to the imaging sensor (2) by comprising at least one first area (71) arranged as infrared blocking area and at least one second area (72) arranged as infrared bandpass area.

Abstract: A device for controlling illumination of a scene using an LED array that includes a plurality of individually addressable LEDs, built into a hand-held device, is disclosed. The device includes a controller arranged to configure a first sub-set of the LEDs to provide illumination for a target spot in the scene and to monitor movement of the hand-held device. If the controller detects movement of the hand-held device while the first sub-set of the LEDs is providing illumination, then the controller may configure a second sub-set of the LEDs to continue providing illumination of the target spot. In this manner, even though there may have been movement that could change the specific area illuminated by the LED array, the movement is compensated for, at least partially, by selecting one or more other LEDs to illuminate the same target spot in a manner that is substantially unnoticeable to the user.

Abstract: LED arrays with diffusing elements are disclosed. In various embodiments, diffusing elements in the form of one or more structures of a diffuser material may be provided between an LED array and an optical element that collects light emitted by the array and directs the light to an optical far field. The optical element may image or approximately image the LED array. The diffusing elements at least partially blur patterning in the far field illumination that may otherwise arise from the optical element imaging the array. Each LED may be a wavelength-converting LED in that it may include a light emitter arrangement and a wavelength-converter structure.

Abstract: Segmented LED arrays with various diffusing elements are disclosed. An example segmented LED array includes a plurality of LEDs arranged in a plurality of sections where a given section may include one or more LEDs and where each section may be aligned with a different respective optical element such as a lens. Each LED may be a wavelength-converting LED in that it may include a light emitter arrangement and a wavelength-converter structure. In various embodiments, diffusing elements in the form of one or more structures of a diffuser material may be provided over the wavelength-converter structure of one or more LEDs, the one or more structures being in a light path between the wavelength-converter structure and at least one of the plurality of optical elements, and configured to diffuse light emerging from the wavelength-converter structure.

Abstract: LED arrays with diffusing elements are disclosed. In various embodiments, diffusing elements in the form of one or more structures of a diffuser material may be provided between an LED array and an optical element that collects light emitted by the array and directs the light to an optical far field. The optical element may image or approximately image the LED array. The diffusing elements at least partially blur patterning in the far field illumination that may otherwise arise from the optical element imaging the array. Each LED may be a wavelength-converting LED in that it may include a light emitter arrangement and a wavelength-converter structure.

Abstract: The image capture system of the present disclosure comprises an illuminator comprising at least one infrared light LED or laser and one visible light LED, an image sensor that is sensitive to infrared light and visible light, a memory configured to store instructions, and a processor configured to execute instructions to cause the image capture system to emit infrared light, receive image data comprising at least one infrared image, and determine depth maps, visible focus settings, or infrared exposure settings based on the infrared image data.

Abstract: Devices, systems and methods are described. A method includes driving a first light source to generate a visible light pulse having a first intensity for a first duration to illuminate a scene. An image sensor is used to record a visible-spectrum image of the scene illuminated by the first light pulse. A second light source is driven to generate a second light pulse having a second intensity that exceeds the first intensity by at least 100% for a second duration that is at most 10% of the first duration to illuminate the scene during the first duration. An image sensor is used to record a monochrome image of the scene illuminated by the second light pulse. Image processing is performed on a visible-spectrum image and the monochrome image to obtain the digital image of the scene.

Abstract: The invention describes a light emitting diode array module comprising at least two light emitting diodes and a lens, wherein the lens comprises one common lens segment, wherein the common lens segment comprises a multitude of sections at least partly encompassing an axis perpendicular to the lens, wherein the sections shape an uneven surface of the lens, wherein the light emitting diodes are arranged to illuminate at least two non-overlapping target areas in a reference plane, and wherein the sections are arranged such that at least one light emitting diode illuminates one respective target area of the target areas. The invention further describes a flash light comprising at least one light emitting diode array module.

Abstract: The invention describes an imaging device (1) comprising an image sensor (2), an imaging lens (3), an infrared light source (5) to illuminate a scene (SC), and an infrared autofocus system (6) for providing an autofocus function, wherein the image sensor (2) comprises an array (21) of sensor pixels each arranged as dual pixel (22) comprising two separate pixel sensors (22a, 22b) per dual pixel (22) to record the image data (D1) as a sum signal from both pixel sensors (22a, 22b) and providing infrared data (D2) as individual signals from each of the two pixel sensors (22a, 22b) for phase contrast (PC) autofocusing, wherein an infrared filter (7) arranged between an aperture (4) of the imaging device (1) and an imaging sensor (2) and is adapted to locally transmit only a portion of the infrared light (IR) to the imaging sensor (2) by comprising at least one first area (71) arranged as infrared blocking area and at least one second area (72) arranged as infrared bandpass area.

Abstract: A device includes a light-emitting device (LED) having at least two vertical light-emitting sides, and a ring-shaped light guide having a bottom side, a top side comprising a light-emitting surface, an inner sidewall, and an outer sidewall defining an indentation having at least two vertical in-coupling surfaces mated to the at least two vertical light-emitting sides of the LED.

Abstract: The invention describes an imaging device (1) comprising an image sensor (2), an imaging lens (3), an infrared light source (5) to illuminate a scene (SC), and an infrared autofocus system (6) for providing an autofocus function, wherein the image sensor (2) comprises an array (21) of sensor pixels each arranged as dual pixel (22) comprising two separate pixel sensors (22a, 22b) per dual pixel (22) to record the image data (D1) as a sum signal from both pixel sensors (22a, 22b) and providing infrared data (D2) as individual signals from each of the two pixel sensors (22a, 22b) for phase contrast (PC) autofocusing, wherein an infrared filter (7) arranged between an aperture (4) of the imaging device (1) and an imaging sensor (2) and is adapted to locally transmit only a portion of the infrared light (IR) to the imaging sensor (2) by comprising at least one first area (71) arranged as infrared blocking area and at least one second area (72) arranged as infrared bandpass area.

Abstract: A flash light module (1) can include 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). A mobile device (100) can include the flash light module (1) and a method to operate the mobile device (100).

Abstract: A device includes a light-emitting device (LED) having at least two vertical light-emitting sides, and a ring-shaped light guide having a bottom side, a top side comprising a light-emitting surface, an inner sidewall, and an outer sidewall defining an indentation having at least two vertical in-coupling surfaces mated to the at least two vertical light-emitting sides of the LED.

Abstract: A method according to embodiments of the invention includes, for a field of view comprising a plurality of portions, determining an amount of light for each portion. LEDs corresponding to each portion are selectively energized over a plurality of time periods, such that a sum of illumination generated by each LED during the plurality of time periods equals the determined amount of light. An image of the field of view is captured, for example by a camera.

Abstract: Multi-color flash with image post-processing that uses a camera device with a multi-color flash and implements post-processing to generate images is described. In one aspect, the multi-color flash with image post-processing may be implemented by a controller configured to control a camera and flashes of at least two different colors. The controller may be configured to cause the camera to acquire a first image of a scene while the scene is being illuminated with the first flash but not the second flash, then cause the camera to acquire a second image of the scene while the scene is being illuminated with the second flash but not the first flash, and generate a final image of the scene in post-processing based on a combination of the first image and the second image.

Abstract: The invention describes a depth map generator comprising an array comprising a plurality of individually addressable array elements, wherein an array element comprises a semiconductor emitter or a reflector arranged to reflect light emitted by a semiconductor emitter; a driver realised to switch an array element according to a predefined illumination pattern; a number of image sensors, wherein an image sensor is arranged to detect light reflected from a scene irradiated by the irradiation pattern; and a processing unit realised to compute a depth map of the scene on the basis of a light pattern detected by an image sensor. The invention further describes an irradiation arrangement for use in such a depth map generator; a method of generating a depth map of a scene; and a device comprising such a depth map generator.

Abstract: A lighting apparatus and method of controlling a lighting apparatus are described. A power supply capable of supplying an amount of power is connected to an array of light emitting elements capable of illuminating an area in response to the supplied amount of power. At least some light emitting elements can have independently controllable illumination intensity, with the array of light emitting elements being switchable between a first mode in which each member of the array of light emitting elements received the supplied amount of power and provides a broadly collimated beam, and second mode where a subset of the array of light emitting elements receive the supplied amount of power and provides a narrower collimated beam.

Abstract: A method according to embodiments of the invention includes, for a field of view comprising a plurality of portions, determining an amount of light for each portion. LEDs corresponding to each portion are selectively energized over a plurality of time periods, such that a sum of illumination generated by each LED during the plurality of time periods equals the determined amount of light. An image of the field of view is captured, for example by a camera.

Abstract: A device for controlling illumination of a scene using an LED array that includes a plurality of individually addressable LEDs, built into a hand-held device, is disclosed. The device includes a controller arranged to configure a first sub-set of the LEDs to provide illumination for a target spot in the scene and to monitor movement of the hand-held device. If the controller detects movement of the hand-held device while the first sub-set of the LEDs is providing illumination, then the controller may configure a second sub-set of the LEDs to continue providing illumination of the target spot. In this manner, even though there may have been movement that could change the specific area illuminated by the LED array, the movement is compensated for, at least partially, by selecting one or more other LEDs to illuminate the same target spot in a manner that is substantially unnoticeable to the user.

Abstract: Segmented LED arrays with various diffusing elements are disclosed. An example segmented LED array includes a plurality of LEDs arranged in a plurality of sections where a given section may include one or more LEDs and where each section may be aligned with a different respective optical element such as a lens. Each LED may be a wavelength-converting LED in that it may include a light emitter arrangement and a wavelength-converter structure. In various embodiments, diffusing elements in the form of one or more structures of a diffuser material may be provided over the wavelength-converter structure of one or more LEDs, the one or more structures being in a light path between the wavelength-converter structure and at least one of the plurality of optical elements, and configured to diffuse light emerging from the wavelength-converter structure.