Abstract: A sensor device configured to be attached to a drug delivery device and configured to illuminate the drug delivery device when attached, the sensor device having an OLED having a transparent first electrode, a transparent second electrode and a central layer disposed between the first and second electrodes, the central layer comprising at least one organic layer, the at least one organic layer configured to emit light through the transparent first electrode, and an optical sensor arranged to receive light reflected from a surface of the drug delivery device, wherein the central layer of the OLED has a region without the at least one organic layer and wherein the optical sensor is arranged, when the sensor device is attached to the drug delivery device, to view a predetermined area of the surface of the drug delivery device through the region without the at least one organic layer.

Abstract: A sensor device configured to be attached to a drug delivery device and configured to illuminate the drug delivery device when attached, the sensor device comprising: a light guide having a first surface, a second surface opposed to the first surface, at least one side surface extending between the first and second surfaces and a light out-coupling structure configured to cause diffuse light to be emitted from the first surface when light is input into the light guide; at least one light source configured to in-couple light into the light guide; and an optical sensor arranged to receive light reflected from a surface of the drug delivery device.

Abstract: The present disclosure relates to a supplementary device for attachment to an injection device including an imaging arrangement configured to capture an image of a moveable number sleeve of the injection device, a plurality of light sources, and a processor arrangement configured to control operation of the imaging arrangement and the plurality of light sources and to receive image data from the imaging arrangement. In some instances, the processor arrangement is configured to activate the plurality of light sources sequentially and to combine multiple images captured by the imaging apparatus under different illumination conditions into a single image.

Abstract: The invention relates to a microlens arrangement (12) and an illumination device (10) for uniformly illuminating of an area (F), with a light source (11) and a microlens arrangement (12). In order to illuminate the area (F) to be illuminated as homogeneously as possible, the at least one microlens (1) of the microlens arrangement (12) has an entrance face (2) which is shaped such that monochromatic light incident on the microlens (1) and propagating parallel to the optical axis (O) is refracted by the entrance face (2) such that back focal lengths (S1, S2, S3) of the light with the optical axis (O) increase with the height of incidence (E1, E2, E3).

Abstract: A supplemental device for attachment to an injection device including a dosage window covering a sleeve on which dose values are marked is provided. The supplemental device comprises: a main body; an arrangement for supporting the main body of the supplemental device in a predetermined positional relationship with the injection device; a transparent protection window located at a surface of the main body that is aligned with the dosage window of the injection pen when in use; and a sensor arrangement supported in the main body and having a sensor directed at the protection window. The protection window has an optical power. The protection window may be a cylindrical lens or a toric lens.

Abstract: A supplemental device for attachment to an injection device including a dosage window covering a sleeve on which dose values are marked is provided. The supplemental device comprises: a main body; an arrangement for supporting the main body of the supplemental device in a predetermined positional relationship with the injection device; a transparent protection window located at a surface of the main body that is aligned with the dosage window of the injection pen when in use; and a sensor arrangement supported in the main body and having a sensor directed at the protection window. The protection window has an optical power. The protection window may be a cylindrical lens or a toric lens.

Abstract: Apparatus comprising: a sensor configured to generate sensor output dependent on an intensity of light incident on the sensor and having a field of view directed at an external surface in use; an illumination source configured to emit light onto the external surface in use; a window located such as to allow light to pass from the illumination source to the external surface and to allow light to pass to the sensor from the external surface in use; a shield coupled to or integral with the window, the shield being substantially opaque to substantially all wavelengths of light detectable by the sensor and defining an aperture which limits the field of view of the sensor; and a processor configured to use the sensor output to determine information associated with reflection characteristics of the external surface.

Abstract: A supplemental device for attachment to an injection device including a dosage window covering a sleeve on which dose values are marked is provided. The supplemental device comprises: a main body; an arrangement for supporting the main body of the supplemental device in a predetermined positional relationship with the injection device; a transparent protection window located at a surface of the main body that is aligned with the dosage window of the injection pen when in use; and a sensor arrangement supported in the main body and having a sensor directed at the protection window. The protection window has an optical power. The protection window may be a cylindrical lens or a toric lens.

Abstract: The subject matter described herein relates to a supplementary device for attachment to an injection device, the supplementary device comprising: a first imaging arrangement and a second imaging arrangement each configured to capture an image of a moveable number sleeve of the injection device from different respective angles. The supplementary device also comprises a plurality of light sources and a processor arrangement configured to control operation of the first imaging arrangement and the second imaging arrangement and the plurality of light sources and to receive image data from each of the imaging arrangements, wherein the processor arrangement is configured to combine images captured by the first imaging arrangement and the second imaging arrangement into a single image.

Abstract: Apparatus for determining information associated with reflection characteristics of a surface comprising a sensor (60) configured to generate sensor output dependent on an intensity of light incident on the sensor and having a field of view directed at an external surface (57) in use; an illumination source (58) configured to emit light onto the external surface in use; an optically transparent window (61) located such as to allow light to pass from the illumination source to the external surface and to allow light to pass to the sensor from the external surface in use; a light concentrator (66) fixed to or integral with the window, the light concentrator being configured to concentrate at least some light from the illumination source onto the external surface in use such that the concentrated light may be reflected from the external surface onto the sensor via the window; and a processor (40) configured to use the sensor output to determine information associated with reflection characteristics of the extern

Abstract: A laser source is described. The laser source is configured for providing collimated laser beams arranged in a ring-shape for exiting a phosphor. The laser source has laser diodes arranged in a ring-shaped manner around a symmetry axis. Parallel parts of the laser beams form a hollow tube. Further, a light source is described. The light source has a phosphor, an optical element and a light source configured for providing collimated laser beams arranged in a ring-shape for exiting the phosphor. The light source is arranged such that the collimated laser beams are directed opposite to the collimated luminance.

Abstract: The present disclosure relates to a supplementary device for attachment to an injection device including an imaging arrangement configured to capture an image of a moveable number sleeve of the injection device, a plurality of light sources, and a processor arrangement configured to control operation of the imaging arrangement and the plurality of light sources and to receive image data from the imaging arrangement. In some instances, the processor arrangement is configured to activate the plurality of light sources sequentially and to combine multiple images captured by the imaging apparatus under different illumination conditions into a single image.

Abstract: Apparatus for determining information associated with reflection characteristics of a surface comprising a sensor (60) configured to generate sensor output dependent on an intensity of light incident on the sensor and having a field of view directed at an external surface (57) in use; an illumination source (58) configured to emit light onto the external surface in use; an optically transparent window (61) located such as to allow light to pass from the illumination source to the external surface and to allow light to pass to the sensor from the external surface in use; a light concentrator (66) fixed to or integral with the window, the light concentrator being configured to concentrate at least some light from the illumination source onto the external surface in use such that the concentrated light may be reflected from the external surface onto the sensor via the window; and a processor (40) configured to use the sensor output to determine information associated with reflection characteristics of the extern

Abstract: Apparatus comprising: a sensor configured to generate sensor output dependent on an intensity of light incident on the sensor and having a field of view directed at an external surface in use; an illumination source configured to emit light onto the external surface in use; a window located such as to allow light to pass from the illumination source to the external surface and to allow light to pass to the sensor from the external surface in use; a shield coupled to or integral with the window, the shield being substantially opaque to substantially all wavelengths of light detectable by the sensor and defining an aperture which limits the field of view of the sensor; and a processor configured to use the sensor output to determine information associated with reflection characteristics of the external surface.

Abstract: The subject matter described herein relates to a supplementary device for attachment to an injection device, the supplementary device comprising: a first imaging arrangement and a second imaging arrangement each configured to capture an image of a moveable number sleeve of the injection device from different respective angles. The supplementary device also comprises a plurality of light sources and a processor arrangement configured to control operation of the first imaging arrangement and the second imaging arrangement and the plurality of light sources and to receive image data from each of the imaging arrangements, wherein the processor arrangement is configured to combine images captured by the first imaging arrangement and the second imaging arrangement into a single image.

Abstract: A supplemental device comprising: a connector configured to attach the supplemental device to an injection device in use; a sensor configured to generate sensor output dependent on an intensity of light on the sensor and having a field of view directed at a surface area of the injection device in use, the surface area being external to the supplemental device; a light source configured to generate illumination which in use can be directed out of the supplemental device onto the surface area; a shield configured to limit the field of view of the sensor such that the field of view is entirely directed at the surface area in use; and a processor configured to use the sensor output generated when illumination from the light source is reflected from the surface area to determine a property of the injection device.

Abstract: A supplemental device for attachment to an injection device including a dosage window covering a sleeve on which dose values are marked is disclosed. The supplemental device comprises a main body; an arrangement for supporting the main body of the supplemental device in a predetermined positional relationship with the injection device; a transparent protection window located at a surface of the main body that is aligned with the dosage window of the injection pen when in use; a sensor arrangement supported in the main body and having a sensor directed at the protection window; an illumination arrangement comprising one or more sources of light, each of the one or more sources of light being directed at the protection window; and a dispersing part, which may be diffusing or scattering, located on an optical path between a first one of the one or more sources of light.

Abstract: A supplemental device for use with an injection device, the supplemental device comprising: a plurality of light sources each being configured to illuminate a surface portion of an injection device, in use, with light of a different wavelength; at least one sensor for generating sensor outputs indicative of the respective intensities of light of different wavelengths reflected from the surface portion; and a processor for: controlling the plurality of light sources to illuminate the surface portion with light of first to third different wavelengths; obtaining first to third values for sensor outputs corresponding to the first to third different wavelengths respectively; performing one or more calculations using at least the first and second values to provide one or more further values; and using the third value and the or each further value, but not the first and second values, to determine a property of the injection device.

Abstract: A sensor device configured to be attached to a drug delivery device and configured to illuminate the drug delivery device when attached, the sensor device having an OLED having a transparent first electrode, a transparent second electrode and a central layer disposed between the first and second electrodes, the central layer comprising at least one organic layer, the at least one organic layer configured to emit light through the transparent first electrode, and an optical sensor arranged to receive light reflected from a surface of the drug delivery device, wherein the central layer of the OLED has a region without the at least one organic layer and wherein the optical sensor is arranged, when the sensor device is attached to the drug delivery device, to view a predetermined area of the surface of the drug delivery device through the region without the at least one organic layer.

Abstract: A sensor device configured to be attached to a drug delivery device and configured to illuminate the drug delivery device when attached, the sensor device having an OLED having a transparent first electrode, a transparent second electrode and a central layer disposed between the first and second electrodes, the central layer comprising at least one organic layer, the at least one organic layer configured to emit light through the transparent first electrode, and an optical sensor arranged to receive light reflected from a surface of the drug delivery device, wherein the central layer of the OLED has a region without the at least one organic layer and wherein the optical sensor is arranged, when the sensor device is attached to the drug delivery device, to view a predetermined area of the surface of the drug delivery device through the region without the at least one organic layer.