Patent application number | Description | Published |
20090273578 | SENSING CIRCUIT, DISPLAY DEVICE AND ELECTRONIC APPARATUS - A sensing circuit having a first substrate, a second substrate, a layer of dielectric material, a first electrode, a second electrode and an electrostatic capacitance detection unit is provided. The second substrate faces the first substrate. The dielectric material is held between the first substrate and the second substrate. The first electrode and the second electrode are arranged between the dielectric material and the first substrate. The electrostatic capacitance detection unit is configured to produce a detection signal having an amplitude according to a value of capacitance formed between the first electrode and the second electrode through the dielectric material. | 11-05-2009 |
20110180711 | THERMAL DETECTOR, THERMAL DETECTION DEVICE AND ELECTRONIC INSTRUMENT, AND METHOD FOR MANUFACTURING THERMAL DETECTOR - A thermal detector includes a substrate, a thermal detection element and a support member. The substrate has a concave portion, a bottom surface of the concave portion forming a light-reflecting curved surface. The thermal detection element includes a light-absorbing film. The support member supports the thermal detection element with a cavity being provided between the substrate and the support member. The light-reflecting curved surface and the light-absorbing film overlap each other in plan view, the light-reflecting curved surface having a projected area in plan view larger than an area of the light-absorbing film. | 07-28-2011 |
20120161003 | THERMAL DETECTOR, THERMAL DETECTION DEVICE, ELECTRONIC INSTRUMENT, AND THERMAL DETECTOR MANUFACTURING METHOD - A thermal detector includes: a substrate; a support member supported so that a cavity is formed between the substrate and the support member; a heat-detecting element supported on the support member; a thermal transfer member disposed over the heat-detecting element, and including a thermal collecting portion made of a material having light-reflecting characteristics and having a pattern with which a portion of light incident to a region defined by the support member as seen in plan view enters towards the support member, and a connecting portion connecting the thermal collecting portion to the heat-detecting element; a first light-absorbing layer contacting the thermal transfer member between the thermal transfer member and the support member; and a second light-absorbing layer contacting the thermal transfer member and disposed on the thermal transfer member. | 06-28-2012 |
20120161004 | THERMAL DETECTOR, THERMAL DETECTION DEVICE, ELECTRONIC INSTRUMENT, AND THERMAL DETECTOR MANUFACTURING METHOD - A thermal detector includes a substrate; a support member supported on the substrate interposed by a cavity; a heat-detecting element formed on the support member; a light-reflecting layer formed at a position spaced apart from the heat-detecting element in at least a portion of a peripheral region of the heat-detecting element on the support member; a light-absorbing layer formed on the heat-detecting element and the light-reflecting layer; and a thermal transfer member that is connected to the heat-detecting element by a connector, the thermal transfer member including a connecting portion connected to the heat-detecting element and a thermal collecting portion disposed inside the light-absorbing layer and having a surface area larger than a surface area of the connecting portion as seen in plan view, the thermal collecting portion being optically transmissive at least with respect to light of a prescribed wavelength. | 06-28-2012 |
20120161005 | THERMAL DETECTOR, THERMAL DETECTION DEVICE, ELECTRONIC INSTRUMENT, AND THERMAL DETECTOR MANUFACTURING METHOD - A thermal detector includes a substrate; a support member supported on the substrate interposed by a cavity; a heat-detecting element formed on the support member and having a pyroelectric material layer disposed between a lower electrode and an upper electrode; a light-absorbing layer formed on the heat-detecting element; and a thermal transfer member including a connecting portion connected to the heat-detecting element and a thermal collecting portion disposed inside the light-absorbing layer and having a surface area larger than that of the connecting portion in plan view, the thermal collecting portion being optically transmissive at least with respect to light of a prescribed wavelength. The lower electrode has an extending portion extending around the pyroelectric material layer in plan view, and the extending portion has light-reflecting properties by which at least a part of the light transmitted through the thermal collecting portion of the thermal transfer member is reflected. | 06-28-2012 |
20120161006 | THERMAL DETECTOR, THERMAL DETECTION DEVICE, ELECTRONIC INSTRUMENT, AND THERMAL DETECTOR MANUFACTURING METHOD - A thermal detector includes a substrate; a support member supported on the substrate with a cavity interposed therebetween; a heat-detecting element formed on the support member; a first light-absorbing layer formed on the heat-detecting element and the support member so as to be in contact with the heat-detecting element; and a second light-absorbing layer formed on the first light-absorbing layer so as to be in contact with the first light-absorbing layer. The second light-absorbing layer has a higher refractive index than the first light-absorbing layer. A first wavelength resonates between a surface of the support member and an upper surface of the second light-absorbing layer, and a second wavelength, which is different from the first wavelength, resonates between an interface, at which the first light-absorbing layer and the second light-absorbing layer are in contact with each other, and the upper surface of the second light-absorbing layer. | 06-28-2012 |
20120163410 | THERMAL DETECTOR, THERMAL DETECTION DEVICE, ELECTRONIC INSTRUMENT, AND THERMAL DETECTOR MANUFACTURING METHOD - A thermal detector includes a substrate, a support member, a heat-detecting element, a thermal transfer member, a first light-absorbing layer and a second light-absorbing layer. The support member is supported on the substrate so that a cavity is formed between the substrate and the support member. The heat-detecting element is supported on the support member. The thermal transfer member includes a connecting portion connected to the heat-detecting element and a thermal collecting portion formed over the heat-detecting element and having a surface area larger than a surface area of the connecting portion as seen in plan view. The first light-absorbing layer contacts the thermal transfer member and disposed between the thermal transfer member and the support member. The second light-absorbing layer contacts the thermal transfer member and disposed on the thermal transfer member. | 06-28-2012 |
20120211858 | THERMAL DETECTOR, THERMAL DETECTION DEVICE, AND ELECTRONIC INSTRUMENT - A thermal detector includes a substrate, a thermal detection element and a support member. The substrate has a recess part with a bottom surface of the recess part being a curved light-reflecting surface. The thermal detection element has a light-absorbing film. The support member supports the thermal detection element. The substrate and the support member are arranged to form a hollow part therebetween. The support member includes a light-absorbing part in which impurities are dispersed in polycrystalline silicon with the light-absorbing part being arranged in at least a part of a surface of the support member facing toward the hollow part so that the light-absorbing part being irradiated by light. | 08-23-2012 |
20140038336 | THERMAL DETECTOR, THERMAL DETECTION DEVICE, ELECTRONIC INSTRUMENT, AND THERMAL DETECTOR MANUFACTURING METHOD - A thermal detector manufacturing method includes: forming a sacrificial layer on a structure including an insulating layer; forming a support member on the sacrificial layer; forming on the support member a heat-detecting element; forming a first light-absorbing layer so as to cover the heat-detecting element, and planarizing the first light-absorbing layer; forming a contact hole in a portion of the first light-absorbing layer, subsequently forming a thermal transfer member having a connecting portion that connects to the heat-detecting element and a thermal collecting portion having a surface area greater than that of the connecting portion as seen in plan view; forming a second light-absorbing layer on the first light-absorbing layer; and removing the sacrificial layer to form a cavity between the support member and the structure including the insulating layer formed on the surface of the substrate. | 02-06-2014 |
20140284480 | INFRARED SENSOR AND HEAT SENSING ELEMENT - An infrared sensor includes a heat sensing element, the heat sensing element includes a first electrode, a second electrode and a dielectric film formed between the first electrode and the second electrode. The heat sensing element senses heat based on a change of a resistance value. The dielectric film includes at least Bi and Fe. | 09-25-2014 |
20150122999 | THERMAL DETECTOR, THERMAL DETECTION DEVICE, ELECTRONIC INSTRUMENT, AND THERMAL DETECTOR MANUFACTURING METHOD - A thermal detector includes a support member, a heat-detecting element formed on the support member, a light-reflecting layer formed on the support member, a light-absorbing layer formed above the light-reflecting layer and the heat-detecting element, and a thermal transfer member including a connecting portion connected to the heat-detecting element and a thermal collecting portion contacting the light-absorbing layer and having a larger area than the connecting portion as seen in plan view. The thermal collecting portion is optically transmissive at least with respect to light of a prescribed wavelength. | 05-07-2015 |
20150276493 | THERMOELECTRIC CONVERSION ELEMENT, LIGHT DETECTION DEVICE, ELECTRONIC APPARATUS - A thermoelectric conversion element includes a pair of electrodes and a pyroelectric material, which is a ferroelectric layer, sandwiched between the pair of electrodes. The pyroelectric material includes at least Bi (bismuth), La (lanthanum), and Fe (iron). The molar fraction of La in a Bi/La site in the crystal structure of the pyroelectric material is 0.15 or more and 0.20 or less. Such a thermoelectric conversion element, and a light detection device and electronic apparatus which include the thermoelectric conversion element have a good pyroelectric function without including Pb (lead). | 10-01-2015 |