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Ben Khalifa

Mohamed Ben Khalifa, Lecce IT

Patent application numberDescriptionPublished
20110079772ORGANIC LIGHT-EMITTING DIODE WITH MICROCAVITY INCLUDING DOPED ORGANIC LAYERS AND FABRICATION PROCESS THEREOF - An organic light emitting diode (OLED) emitting light downward through a transparent substrate. The OLED embeds a microcavity formed between a cathode and an anode and includes a plurality of organic layers including a light emitting layer. The plurality of organic layers include at least a first layer made of an organic doped material aimed at enhancing the transport of electrons; and at least a second layer made of an organic doped material aimed at enhancing the transport of holes. The anode is obtained by deposition of a semitransparent layer of silver (Ag) over the transparent substrate to be directly in contact with the first doped organic layer. Then, thicknesses of the first and second doped organic layers can be freely adapted to best adjust the optical characteristics of the microcavity for the wavelength of monochromatic light to be produced by the OLED.04-07-2011

Mohamed Ben Khalifa, Amesano IT

Patent application numberDescriptionPublished
20090015154Electronic Component With P-Doped Organic Semiconductor - An electronic component comprising a layer of organic semiconducting material in which a dopant is dispersed having an energy difference between the work function of the dopant and of the HOMO level of said organic semiconducting material that is less than 0.5 eV. The dopant is an atomic element having an evaporation temperature lower than 1300° C. for a pressure of 1001-15-2009

Nabil Ben Khalifa, Toulouse FR

Patent application numberDescriptionPublished
20100299386COMPUTER-BASED SYSTEM COMPRISING SEVERAL NODES IN A NETWORK - A computer-based system includes plural computer-based facilities termed nodes interconnected in a network, including storing nodes that include a direct-access local memory unit, and a storage server for managing access to this unit based on a queue, application nodes, each including: an application environment with a representation of files that are accessible in a form of addresses of blocks designating a physical address on a local memory unit, and a storage client capable of interacting with a storage server, based on an access request designating a block address. The storage server includes a scheduler capable of executing the access requests contained in its queue in a determined order. The order is determined as a function of a set of rules forming performance criteria, and involving one or more state parameters of the queue and/or of the storing node on which it resides.11-25-2010