Patent application number | Description | Published |
20080198620 | Backlit Communication Display - Communication display comprises a light source for backlighting an advertising spot or similar, arranged on a support. The light source comprises a web of optical fibres arranged facing the back of the support and adapted for emitting light laterally. Optical fibres present on at last one edge of the web are assembled in a plurality of bundles, each bundle being equipped at its free end with an assembling ring for securing each of the fibres with regard to others of the same bundle. The light source also includes a plurality of point sources facing at least one edge of the web of optical fibres, and convergent optical systems arranged facing each point source for uniformly collimating light rays emitted by the point sources towards the optical fibres. The convergent optical systems are arranged in a ball joint connection with centering supports and members for aligning the assembling rings. | 08-21-2008 |
20100046246 | ILLUMINATING TEXTILE WEB, CONVERSION PROCESS, AND LUMINOUS DEVICE COMPRISING A PLURALITY OF ILLUMINATING REGIONS - A textile web for producing a luminous device includes a plurality of contiguous illuminating regions that can be selectively turned on or turned off. The-web incorporates adjacent optical fibres designed to emit, laterally, the light that passes through them. Each optical fibre is, over its length and from one illuminating region to another, alternately woven and then not woven with binding yarns, the alternation of the weaving and the non-weaving of the optical fibres with the binding yarns being reversed between two adjacent groups of at least one optical fibre, so as to define, for each illuminating region, a top side including an illuminating web of optical fibres woven with the binding yarns and a reverse face including a float of optical fibres that are offset in a plane approximately parallel to the illuminating web. | 02-25-2010 |
Patent application number | Description | Published |
20150291865 | ABRASIVE ARTICLE INCLUDING SHAPED ABRASIVE PARTICLES - A shaped abrasive particle including a body having a first major surface, a second major surface, and a side surface extending between the first major surface and the second major surface, wherein the body includes a sharpness-shape-strength factor (3SF) within a range between about 0.7 and about 1.7 and a Shape Index within a range between at least about 0.51 and not greater than about 0.99. | 10-15-2015 |
20150291866 | ABRASIVE ARTICLE INCLUDING SHAPED ABRASIVE PARTICLES - A shaped abrasive particle including a body comprising a first major surface, a second major surface, and a side surface extending between the first major surface and the second major surface, the body comprising a sharpness-shape-strength factor (3SF) within a range between about 0.7 and about 1.7 and a Shape Index within a range between at least about 0.01 and not greater than about 0.49. | 10-15-2015 |
20150291867 | ABRASIVE ARTICLE INCLUDING SHAPED ABRASIVE PARTICLES - A shaped abrasive particle including a body comprising a first major surface, a second major surface, and a side surface extending between the first major surface and the second major surface, the body having a Shape Index within a range between at least about 0.48 and not greater than about 0.52 and a content of a magnesium-containing species within a range between at least about 1 wt % and not greater than about 4 wt % based on the total weight of the body. | 10-15-2015 |
Patent application number | Description | Published |
20100289101 | IMAGE SENSOR - An image sensor including an array of pixels, wherein each pixel includes, in a vertical stack: a central photosensitive area; a stack of interconnects on top of the periphery of the photosensitive area, extending upwards up to a first height; a filtering layer on top of the photosensitive area, extending upwards from a height lower than the first height; and a microlens overlying the filtering layer in vertical projection, the optical axis of this microlens being such that the light rays received by the pixel reach the photosensitive area, substantially at its center. | 11-18-2010 |
20120153127 | IMAGE SENSOR WITH REDUCED CROSSTALK - An image sensor having a semiconductor substrate, at least two photosites in the substrate and an isolation region between the photosites. The isolation region has a first trench covered by a thin electrically insulating liner and filled with an electrically conductive material, the conductive material has a second trench at least partially filled with an optically isolating material. | 06-21-2012 |
20120153128 | IMAGE SENSOR WITH REDUCED OPTICAL CROSSTALK - A method of fabricating an image sensor includes the steps of: forming at least two photosites in a semiconductor substrate; forming a trench between the photosites; forming a thin liner on at least the sidewalls of the trench; depositing a conductive material having a first refractive index in the trench; and forming a region surrounded by the conductive material and having a second refractive index lower than the first index of refraction within the conductive material in the trench. | 06-21-2012 |
20120262635 | ELEMENTARY IMAGE ACQUISITION OR DISPLAY DEVICE - An elementary image acquisition or display device, including a focusing structure with microlenses, each microlens being shaped to focus incident light beams towards a substrate while avoiding intermediate conductive tracks and vias. | 10-18-2012 |
20130335666 | NANOPROJECTOR PANEL FORMED OF AN ARRAY OF LIQUID CRYSTAL CELLS - A nanoprojector panel formed of an array of cells, each cell including a liquid crystal layer between upper and lower transparent electrodes, a MOS control transistor being arranged above the upper electrode, each transistor being covered with at least three metallization levels. The transistor of each cell extends in a corner of the cell so that the transistors of an assembly of four adjacent cells are arranged in a central region of the assembly. The upper metallization level extends above the transistors of each the assembly of four adjacent cells. The panel includes, for each assembly of four adjacent cells, a first conductive ring surrounding the transistors, the first ring extending from the lower metallization level to the upper electrode of each cell, with an interposed insulating material. | 12-19-2013 |
20150295003 | METHOD OF SIMULTANEOUSLY MANUFACTURING PARTIALLY SHIELDED PIXELS - A method of simultaneously manufacturing First and second pixels respectively shielded on a first and on a second side are simultaneously manufactured using a process wherein a first insulator is deposited on an active area. A first metal level is deposited and defined, with a first mask, to form a shield on the first side of the first pixel and on the second side of the second pixel, and a line opposite to the shield. A second insulator is deposited, and via openings therein are defined, with a second mask. An overlying second metal level is deposited and defined, with a third mask, to form two connection areas covering the via openings on each side of the first and second pixels. The second and third masks are identical for the first and second pixels. | 10-15-2015 |
20150349010 | IMAGE SENSOR - An image sensor is formed by a pixel array including a plurality of pixels. Certain ones of the pixels include, above their active areas, a first optical grating formed of periodically spaced apart parallel strips separated from the active area by a first insulator. Those pixels further include, in another metal level, a second optical grating formed of periodically spaced apart parallel strips separated from the first grating by a second insulator. The second optical grating is laterally shifted with respect to the first grating in a direction orthogonal to a longitudinal direction of the parallel strips. | 12-03-2015 |
20160064579 | SPAD DEVICE WITH RADIATION BLOCKING RINGS AND VIAS AND RELATED ARRAYS AND METHODS - A Single-Photon Avalanche Diode (SPAD) device an active region configured to detect incident radiation, a first radiation blocking ring surrounding the active region, and a radiation blocking cover configured to shield part of the active region from the incident radiation. The radiation blocking cover is configured to define a second radiation blocking ring vertically spaced apart from the first radiation blocking ring. The SPAD device may include radiation blocking vias extending between the first and second radiation blocking rings. | 03-03-2016 |