Abstract: A light unit includes a housing having a central symmetry axis; a support located in the housing; a main lamp located axially on the support; and a multiplicity of secondary lamps located on the support and arranged in an array around the main lamp; a front casing defining a central aperture to which light from the main lamp passes to the exterior in use, the front casing preventing light from the secondary array from entering the central aperture; the front casing and housing defining a light guide channel; a light guide located in the channel, the light guide having a first end comprising a light inlet proximate the array of secondary lamps and a second end comprising a light outlet proximate a periphery of the housing.

Abstract: A photodetector has a two dimensional conductive channel and a quantum dot layer configured to generate charge on exposure to incident electromagnetic radiation. The surface texture of the quantum dot layer has texturing to provide surface roughness which increases the amount of electromagnetic radiation absorbed in the quantum dot layer in comparison to a photodetector having a flat (non-textured) incident electromagnetic radiation surface.

Abstract: An apparatus including a flexible substrate; and an overhanging electronic component island, the electronic component island configured to be less flexible than the flexible substrate and including one or more electronic components, wherein the electronic component island includes a substrate-face with a connection portion and an overhang portion, the connection portion being mechanically coupled to a surface of the flexible substrate via a single connection-support pad and the overhang portion configured to overhang and be substantially free of the underlying flexible substrate such that the underlying flexible substrate can be strained independently from the overhang portion under operational strains of the flexible substrate.

Abstract: An apparatus and method wherein the method comprises: a deformable substrate; a curved support structure configured to support at least a portion of a resistive sensor wherein the resistive sensor comprises a first electrode, a second electrode and a resistive sensor material provided between the electrodes; at least one support configured to space the curved support structure from the deformable substrate so that when the deformable substrate is deformed the curved support structure is not deformed in the same way; wherein the resistive sensor is positioned on the curved support structure so as to limit deformation of the resistive sensor when the deformable substrate is deformed.

Abstract: An apparatus and method wherein the apparatus comprises: a deformable substrate; a curved support structure; at least one support configured to space the curved support structure from the substrate so that when the deformable substrate is deformed the curved support structure is not deformed in the same way; and a capacitive sensor comprising a protruding electrode capacitively coupled to an overlaying electrode; wherein the protruding electrode protrudes from a side of the curved support structure.

Abstract: A method and apparatus, the method comprising: forming at least two electrodes (23) on a release layer wherein the at least two electrodes are configured to enable a layer of two dimensional material (25) to be provided between the at least two electrodes; providing moldable polymer (27) overlaying the at least two electrodes; wherein the at least two electrodes and the moldable polymer form at least part of a planar surface (29).

Abstract: An EWOD device includes opposing substrates defining a gap and each including an insulating surface facing the gap. Array elements include electrode elements to which actuation voltages are applied. A pre-charging structure defines a channel in fluid communication with the gap wherein the channel receives an input of a fluid reservoir for generation of the liquid droplet, and the pre-charging structure includes an electrical element electrically exposed to the channel. The electrical element pre-charges the fluid reservoir within the channel, and a portion of the gap containing the liquid droplet spaced apart from the channel is electrically isolated from the electrical element such that the liquid droplet is at a floating electrical potential when located within said portion of the gap. The electrical element may be an electrode portion that is exposed to the channel, or an externally connected pre-charging element inserted into the channel.

Abstract: An apparatus comprising a deformable substrate, an electrical interconnect suitable for interconnecting one or more electronic components located on the deformable substrate to one another or to one or more electronic components located on another substrate, and a support beam configured to couple the electrical interconnect to the deformable substrate, wherein the electrical interconnect comprises one or more curved sections and adjoining straight sections, and wherein the electrical interconnect is attached to the support beam via the adjoining straight sections such that the one or more curved sections are suspended over the deformable substrate to enable the electrical interconnect to accommodate strain when the deformable substrate undergoes operational deformation.

Abstract: An apparatus and detachable motion-activated recoding system for a firearm, the system detachable to a trigger guard, the camera system comprising video recording means and/or one of a motion-sensor and a light-sensor. The apparatus and system are adapted to record whatever the firearm is being pointed at whenever the firearm is drawn from a holster.

Abstract: An EWOD device includes opposing substrates defining a gap and each including an insulating surface facing the gap. Array elements include electrode elements to which actuation voltages are applied. A pre-charging structure defines a channel in fluid communication with the gap wherein the channel receives an input of a fluid reservoir for generation of the liquid droplet, and the pre-charging structure includes an electrical element electrically exposed to the channel. The electrical element pre-charges the fluid reservoir within the channel, and a portion of the gap containing the liquid droplet spaced apart from the channel is electrically isolated from the electrical element such that the liquid droplet is at a floating electrical potential when located within said portion of the gap. The electrical element may be an electrode portion that is exposed to the channel, or an externally connected pre-charging element inserted into the channel.

Abstract: An apparatus (201) comprises a light emitter (202) and a photodetector (203) formed on a single fluid-permeable substrate (206) such that the photodetector (203) is able to detect light emitted by the light emitter (202) after interaction of the light with a user of the apparatus (201). The photodetector comprises a channel member (207) which may be made from graphene, respective source and drain electrodes (208, 209), a layer of photosensitive material (210) configured to vary the flow of electrical current through the channel member (207) on exposure to light from the light emitter (202), and a gate electrode (211).

Abstract: A method and apparatus, the method comprising: forming a layer of two dimensional material (23), in particular graphene, on a first release layer; forming, possibly a (gate) insulating layer (35), and at least two, preferably three, electrodes (25); forming a second release layer overlaying at least a portion of the layer of two dimensional material; providing a mouldable polymer (24, 26, 28) overlaying the at least two electrodes and the second release layer; and removing the first and second release layers to provide a cavity (29) between the mouldable polymer (26) and the layer of two dimensional material (23).

Abstract: A photodetector (400) has a two dimensional conductive channel (302, 408) with source and drain electrodes (404) configured to enable a flow of electrical current through the two dimensional conductive channel (302, 408); and a quantum dot layer (304, 406) overlying the two dimensional conductive channel (302, 408), the quantum dot layer (304, 406) configured to generate charge on exposure to incident electromagnetic radiation (310), the generated charge producing an electric field which causes a change in electrical current passing through the underlying two dimensional conductive channel (302, 408), the change in electrical current being indicative of one or more of the presence and magnitude of the incident electromagnetic radiation (310); wherein the quantum dot layer (304, 406) is configured to have an incident electromagnetic radiation surface (312) which has a texturing comprising undulations in the surface to provide a surface roughness with an average peak amplitude (308) of the order of between 10 n

Abstract: A method and apparatus, the method comprising: forming at least two electrodes (23) on a release layer wherein the at least two electrodes are configured to enable a layer of two dimensional material (25) to be provided between the at least two electrodes; providing mouldable polymer (27) overlaying the at least two electrodes; wherein the at least two electrodes and the mouldable polymer form at least part of a planar surface (29).

Abstract: An adhesive application comprises an elongate tubular body having a first open end and a second end opposite to the first end, a rod of adhesive material located within the elongate tubular body, an adaptor comprising a C-shaped body for clipping onto the elongate tubular body. Said rod is moveable along the elongate tubular body so that a free end of the rod of adhesive material is able to travel relatively past the first end of the elongate tubular body. Said rod of adhesive material is retainable at a selected axial position. Said adaptor comprises a disk-like cap connected to the C-shaped body by a neck. The C-shaped body and the disk-like cap form a slot opening for receiving a sheet of paper. The adaptor is slidable relative to the elongate tubular body so that a portion of the C-shaped body remains in contact with the elongate tubular body.

Abstract: An apparatus and method wherein the apparatus comprises: includes a channel; at least one pair of electrodes provided within sides of the channel; an electrolyte configured to move through the channel such that when the electrolyte is positioned between the at least one pair of electrodes the electrolyte provides a current path between the at least one pair of electrodes; and wherein the at least one pair of electrodes are configured such that movement of the electrolyte through the channel enables a time varying voltage to be provided.

Abstract: An apparatus and method, the apparatus including a channel; at least one pair of electrodes provided within sides of the channel; a conductor configured to move through the channel such that when the conductor is positioned between the at least one pair of electrodes a current path is provided through the at least one pair of electrodes and the conductor; and wherein the at least one pair of electrodes are configured such that the position of the conductor within the channel controls the length of the current path and enables a time varying voltage to be provided.

Abstract: An apparatus and method, the apparatus comprising: an information electrode;a ground electrode;a photo-resistive element configured to enable the information electrode to be connected to the ground electrode; and wherein the apparatus is configured to enable a sensor element to be positioned overlaying the photo-resistive element such that a change in optical properties of the sensor element controls the connection between the ground and information electrodes.

Abstract: An apparatus and method wherein the method comprises: a deformable substrate; a curved support structure configured to support at least a portion of a resistive sensor wherein the resistive sensor comprises a first electrode, a second electrode and a resistive sensor material provided between the electrodes; at least one support configured to space the curved support structure from the deformable substrate so that when the deformable substrate is deformed the curved support structure is not deformed in the same way; wherein the resistive sensor is positioned on the curved support structure so as to limit deformation of the resistive sensor when the deformable substrate is deformed.