Abstract: A method for protecting optoelectronic devices against electrostatic discharges. Each optoelectronic device includes an electronic circuit including at least one electronic component and one optoelectronic circuit bonded to the electronic circuit and including at last one optoelectronic component from among a light-emitting diode or a photodiode. The method includes forming of first and second wafers, one of the first or second wafer includes a plurality of copies of the electronic circuit and the other one of the first or second wafer including a plurality of copies of the optoelectronic circuit, the bonding of the first wafer to a support, the bonding of the second wafer to the first wafer, and the separation of the electronic devices from one another, wherein the first wafer and/or the second wafer comprises at least one system for protecting optoelectronic devices against electrostatic discharges.

Abstract: A display pixel including at least one light-emitting diode, a circuit for driving the light-emitting diode, and first, second, third, and fourth conductive pads. The driver circuit is powered with a first power supply voltage received between the first and second pads. The light-emitting diode is powered with a first binary signal, received between the third and second pads, and alternating between a second power supply voltage, greater than the first voltage, and a third voltage, smaller than the first voltage. The driver circuit is configured to determine a digital signal based on the values of a second binary signal on the fourth pad received during each of first pulses of the first binary signal at the third voltage and to control the light-emitting diode from the digital signal.

Abstract: An image display system includes at least one user parameter analyser configured to determine at least one parameter associated with a user, an image display screen having luminous pixels, at least one graphics processing unit configured to process at least one first main image that can be displayed on the image display screen and that is representative of a first zone of a main scene. The system further includes at least one image buffer device configured to store at least the first main image, and a graphics controller configured to control a display of at least one first secondary image on the image display screen, the first secondary image having a first portion of the first main image included in the first main image and positioned within the first main image as a function of a first user parameter.

Abstract: A device including a display screen including display pixels arranged in rows and in columns, including a first row and a first column. The device further includes a display screen control circuit configured to, in a first mode, start the display of a first image on the first row and on the first column and, in a second mode, start the display of a second image on one of the rows different from the first row and/or on one of the columns different from the first column.

Abstract: A method for treating a region of an optoelectronic device (Pix) further including a substrate adjacent to the region to be treated. The optoelectronic device includes, in the region to be treated, programmable elements configured to be modified when they are exposed to a laser beam. The method includes the exposure of at least one of the programmable elements to the laser beam focused through the substrate.

Abstract: An optoelectronic device including a support, at least a first conductive layer covering the support, display pixels including first and second opposite surfaces, bonded to the first conductive layer, each pixel including an electronic circuit including the first surface and a third surface opposite to the first surface, the first surface being bonded to the first conductive layer, and an optoelectronic circuit bonded to the third surface and including at least two light-emitting diodes, at least one of the electrodes of each light-emitting diode being connected to the electronic circuit by the third surface, the optoelectronic circuit further comprising photoluminescent blocks covering the light-emitting diodes and conductive or semiconductor walls surrounding the photoluminescent blocks, and at least one second conductive layer electrically coupled to at least one of the pixels.

Abstract: A method for functionalizing a cellulose-based substrate by chemical deposition of at least one thin layer, from gaseous precursors. The method includes the provision of a substrate including at least one sheet having a first face and a second face, of surface roughness greater than or equal to 0.1 ?m. The first face has a part superposed to another part belonging to the first face or to the second face. A spacing between said parts is conserved at least locally, so as to enable a diffusion of the gaseous precursors. The method also includes the gaseous chemical deposition of at least one thin layer on the substrate such as provided by diffusion of the gaseous precursors, the gaseous precursors diffusing at least in each spacing.

Abstract: optoelectronic circuit intended to receive a variable voltage containing an alternation of rising and falling phases. The optoelectronic circuit includes light-emitting diodes and a switching device capable of allowing or of interrupting the flowing of a current through each light-emitting diode. Each light-emitting diode is covered with a photoluminescent layer. The photoluminescent layer covering at least one of the light-emitting diodes includes at least one first luminophore having a first decay constant and at least one second luminophore having a second decay constant different from the first decay constant.

Abstract: A device including a display screen including display pixels arranged in rows and in columns, including a first row and a first column. The device further includes a display screen control circuit configured to, in a first mode, start the display of a first image on the first row and on the first column and, in a second mode, start the display of a second image on one of the rows different from the first row and/or on one of the columns different from the first column.

Abstract: A method of protecting optoelectronic devices against electrostatic discharges, each optoelectronic device comprising an optoelectronic circuit comprising at least one optoelectronic component from among a light-emitting diode or a photodiode.

Abstract: An optoelectronic device, including: a support; at least one first electrically-conductive layer covering the support; display pixel circuits including first and second opposite surfaces bonded to the first electrically-conductive layer, each display pixel circuit including an electronic circuit including the first surface and a third surface opposite to the first surface, the first surface being bonded to the first electrically-conductive layer, and at least one optoelectronic circuit bonded to the third surface and including at least one light-emitting diode, at least one of the electrodes of the light-emitting diode being connected to the electronic circuit by the third surface; at least one second electrically-conductive layer covering the display pixel circuits and electrically coupled to the electronic circuits of the display pixel circuits on the side of the second surface.

Abstract: A display screen including display circuits, each display circuit including a light-emitting diode, a controllable current source powering the light-emitting diode, and a control circuit capable of supplying a pulse-width modulated signal for controlling the current source from a periodic signal. The display screen further includes first electrodes coupled to the control circuits, a circuit for supplying a selection signal successively on each first electrode, and an oscillating circuit or oscillating circuits capable of supplying the periodic signals, the periodic signals being non-synchronous with the display circuit selection signals.

Abstract: An image display system includes at least one user parameter analyser configured to determine at least one parameter associated with a user, an image display screen having luminous pixels, at least one graphics processing unit configured to process at least one first main image that can be displayed on the image display screen and that is representative of a first zone of a main scene. The system further includes at least one image buffer device configured to store at least the first main image, and a graphics controller configured to control a display of at least one first secondary image on the image display screen, the first secondary image having a first portion of the first main image included in the first main image and positioned within the first main image as a function of a first user parameter.

Abstract: An optoelectronic device including an integrated circuit including light-emitting diodes, thin film transistors, and a stack of electrically-insulating layers, said stack being located between the light-emitting diodes and the transistors, said stack further including conductive elements, between and through said insulating layers, said conductive elements connecting at least some of the transistors to the light-emitting diodes.

Abstract: An optoelectronic multiscopic image display and/or capture device, including a support, an array of optoelectronic circuits resting on the support, and lenses covering the optoelectronic circuits. Each optoelectronic circuit includes a number N of photosensors capable of capturing a pixel or pixels of an image of a scene according to different viewpoints and/or number N of display circuits capable of displaying a pixel or pixels of an image of a scene according to the different viewpoints, N being a natural number greater than or equal to 3.

Abstract: A method of controlling an optoelectronic device including display pixels arranged in rows and in columns. The optoelectronic device further includes first electrodes, each connected to the display pixels of at least one row, second electrodes, each connected to the display pixels of at least one column, and a circuit for controlling the first and second electrodes. The method includes, in a first phase, the activation of the display pixels connected to one of the first electrodes and to one of the second electrodes by the following steps, simultaneously carried out: taking one of the first electrodes to a first potential, the other first electrodes being maintained at a second potential smaller than the first potential; and taking one of the second electrodes to a third potential smaller than the second potential, the other second electrodes being maintained at a fourth potential greater than the third potential and smaller than the second potential.

Abstract: An optoelectronic device including a support, at least a first conductive layer covering the support, display pixels including first and second opposite surfaces, bonded to the first conductive layer, each pixel including an electronic circuit including the first surface and a third surface opposite to the first surface, the first surface being bonded to the first conductive layer, and an optoelectronic circuit bonded to the third surface and including at least two light-emitting diodes, at least one of the electrodes of each light-emitting diode being connected to the electronic circuit by the third surface, the optoelectronic circuit further comprising photoluminescent blocks covering the light-emitting diodes and conductive or semiconductor walls surrounding the photoluminescent blocks, and at least one second conductive layer electrically coupled to at least one of the pixels.

Abstract: optoelectronic circuit intended to receive a variable voltage containing an alternation of rising and falling phases. The optoelectronic circuit includes light-emitting diodes and a switching device capable of allowing or of interrupting the flowing of a current through each light-emitting diode. Each light-emitting diode is covered with a photoluminescent layer. The photoluminescent layer covering at least one of the light-emitting diodes includes at least one first luminophore having a first decay constant and at least one second luminophore having a second decay constant different from the first decay constant.

Abstract: A display screen including display circuits, each display circuit including a light-emitting diode, a controllable current source powering the light-emitting diode, and a control circuit capable of supplying a pulse-width modulated signal for controlling the current source from a periodic signal. The display screen further includes first electrodes coupled to the control circuits, a circuit for supplying a selection signal successively on each first electrode, and an oscillating circuit or oscillating circuits capable of supplying the periodic signals, the periodic signals being non-synchronous with the display circuit selection signals.

Abstract: An optoelectronic device, including: a support; at least one first electrically-conductive layer covering the support; display pixel circuits including first and second opposite surfaces bonded to the first electrically-conductive layer, each display pixel circuit including an electronic circuit including the first surface and a third surface opposite to the first surface, the first surface being bonded to the first electrically-conductive layer, and at least one optoelectronic circuit bonded to the third surface and including at least one light-emitting diode, at least one of the electrodes of the light-emitting diode being connected to the electronic circuit by the third surface; at least one second electrically-conductive layer covering the display pixel circuits and electrically coupled to the electronic circuits of the display pixel circuits on the side of the second surface.