Abstract: A device for detecting electromagnetic radiation includes at least one row of photoresistors. Each of the photoresistors includes an active portion containing organic semiconductor materials.

Abstract: A user interface system having rows of photon sensors for detecting an actuating body and lenses, each lens at least partially covering, with the exception of the central portion of the lens, a row of photon sensors.

Abstract: A device for acquiring a characteristic image of a body, including: an image sensor including a plurality of photosensitive cells; and a layer of a material having its color varying according to a physical parameter characteristic of said body, coating a surface of the sensor.

Abstract: A portable appliance has a display screen on a first surface and a user interface device on a second surface different from the first surface. The device includes a photon detector array.

Abstract: An infrared photodetector including a stack of layers on a substrate having an active area made of organic semiconductor materials capable of converting an infrared radiation into an electric signal and including, in said stack and/or on the substrate, a single layer at least partially filtering visible light.

Abstract: The invention relates to a method including the steps of: displaying first successive images on a screen; acquiring at least one second image; searching for the position of at least one actuation member relative to the screen based on an analysis of the second image; and modifying at least one of the next first images to be displayed if conditions of determination of the position of the actuation member in the second image are only partially fulfilled.

Abstract: The invention relates to an interface device including an array of pixels and an insulating, transparent substrate, the pixels being connected to the substrate by linking elements, the contact surface between the linking elements and the pixels being strictly smaller than the surface of the pixels facing the substrate.

Abstract: In the field of the counting of objects, a use is provided of a photosensitive assembly comprising at least one photodiode or one photoresistor, and a source of uniform illumination for illuminating the assembly, the establishment of a reference current supplied by the photosensitive assembly for an illuminated region of this assembly corresponding to a given fraction of the surface of the assembly, the disposition of objects to be counted against the photosensitive assembly, the illumination of the assembly by the source, the objects masking a part of the surface of the assembly, measurement of the current supplied by the assembly, and determination of a ratio between measured current and reference current to deduce the proportion between the surface area of photosensitive element illuminated and the surface area masked by the objects disposed. From this ratio, information on the number of objects disposed on the photosensitive assembly is extracted.

Abstract: An electronic device which includes at least one optoelectronic component including a first active layer, a first electrode, and a second interface layer between the first layer and the first electrode; and at least one first field effect transistor including a first semiconductor portion, a first gate, and at least one third layer, between the first gate and the first semiconductor portion. The third layer is made of the same material as the second layer. The electronic device includes a second electrode and a fourth interface layer between the first layer and the second electrode and includes a second field effect transistor that includes a second semiconductor portion, a second gate, and at least one fifth layer between the second gate and the second semiconductor portion. The fifth layer is made of the same material as the fourth layer.

Abstract: A method of making a stack of the type comprising a first electrode, an active layer, and a second electrode, for use in an electronic device, in particular of the organic photodetector type or the organic solar cell type, the method comprising the following steps: a) depositing a first layer (2) of conductive material on a substrate (1) in order to form the first electrode; b) depositing an active layer (3) in the form of a thin organic semiconductor layer, this layer including non-continuous zones (30); c) locally eliminating the first conductive layer (2) through the non-continuous zones (30) of the active layer by chemical attack; and d) depositing a second layer (4) of conductive material on the active layer (3) in order to form the second conductive electrode.

Abstract: An electronic device which includes at least one optoelectronic component including a first active layer, a first electrode, and a second interface layer between the first layer and the first electrode; and at least one first field effect transistor including a first semiconductor portion, a first gate, and at least one third layer, between the first gate and the first semiconductor portion. The third layer is made of the same material as the second layer. The electronic device includes a second electrode and a fourth interface layer between the first layer and the second electrode and includes a second field effect transistor that includes a second semiconductor portion, a second gate, and at least one fifth layer between the second gate and the second semiconductor portion. The fifth layer is made of the same material as the fourth layer.

Abstract: The invention relates to a tactile or contactless user interface device (50), comprising organic semiconductor components (52) made by depositing organic conducting and semiconducting material in liquid form on a dielectric support (54).

Abstract: A device for acquiring a characteristic image of a body, including: an image sensor including a plurality of photosensitive cells; and a layer of a material having its color varying according to a physical parameter characteristic of said body, coating a surface of the sensor.

Abstract: An organic photodetector comprising a first electrode (11 to 31) that is plane and formed on a substrate (10 to 30) that is plane, a convex active layer (12 to 32) formed on the first electrode, and a second electrode (13 to 33) formed on the active layer, means for concentrating light radiation in the active layer being incorporated in the photodetector.

Abstract: An organic photodiode, including a first electrode forming an anode, an active layer, a second electrode, and at least one third electrode, forming a capacitance with another electrode, to trap at least part of dark current or leakage current.

Abstract: An organic photodetector comprising a first electrode (11 to 31) that is plane and formed on a substrate (10 to 30) that is plane, a convex active layer (12 to 32) formed on the first electrode, and a second electrode (13 to 33) formed on the active layer, means for concentrating light radiation in the active layer being incorporated in the photodetector.

Abstract: A method for making a matrix device including a matrix of photodetecting or photoemitting elements, the method including designing operations for: a) identifying, from at least one topology of the matrix device, one or more spurious conducting closed circuits; b) selecting at least one photodetecting or photoemitting element of the matrix device belonging to at least one of the spurious conducting closed circuits identified, the at least one element selected being made inactive.

Abstract: A photodiode including at least one active zone located between a first electrode and a second electrode, the active zone including elongated conducting or semiconducting elements extending between the electrodes and configured to promote collection and transport of charge carriers in the active zone.

Abstract: The invention relates to a user interface device (10) comprising a matrix of photon sensors (12), adapted for detecting variations in the shadow of an actuation member (16) and for deducing therefrom an item of information representative of a variation of position of the actuation member.

Abstract: The invention relates to a tactile or contactless user interface device (50), comprising organic semiconductor components (52) made by depositing organic conducting and semiconducting material in liquid form on a dielectric support (54).