Patent application number | Description | Published |
20080238832 | ORGANIC ELECTROLUMINESCENT DEVICE AND DISPLAY DEVICE - The invention provides an organic electroluminescent device having at least an anode and a cathode forming a pair of electrodes. At least one electrode being transparent or translucent, and a buffer layer and an organic compound layer is disposed between the anode and the cathode. The organic compound layer has one or more layers including at least a light-emitting layer. At least one of the layers of the organic compound layer comprising at least one specific charge-transporting polyether. At least one of the layers having the charge-transporting polyether is provided in contact with the buffer layer. The buffer layer is provided in contact with the anode and has at least one charge injection material selected from the group consisting of an inorganic oxide, an inorganic nitride, and an inorganic oxynitride. The invention further provides a display device using the organic electroluminescent device. | 10-02-2008 |
20080311425 | ORGANIC ELECTROLUMINESCENT DEVICE AND DISPLAY DEVICE - The invention provides an organic electroluminescent device having an electrode pair of an anode and a cathode, at least one of which is transparent or translucent, and an organic compound layer disposed between the anode and the cathode, the organic compound layer having two or more layers including a buffer layer and a light-emitting layer. At least one of the layers of the organic compound layer has a specific charge-transporting polyether. The buffer layer is provided in contact with the anode and having at least a crosslinked compound formed by using at least one charge injection material having a specific substituted silicon group. The invention further provides a display device having at least a substrate, plural organic electroluminescent devices disposed on the substrate in a matrix form, and a driving unit to drive the organic electroluminescent devices, each of the plural organic electroluminescent devices is the organic electroluminescent device. | 12-18-2008 |
20090001876 | Organic electroluminescent device and display device - An organic electroluminescent device, having an organic compound layer including two or more layers including at least a buffer layer and an emitting layer, wherein at least one of the organic compound layers other than the buffer layer contains at least one charge-transporting polyester represented by Formula (I-1) or (I-2), and the buffer layer is formed in contact with an anode and contains a crosslinked compound formed by using at least one charge injection material containing a substituted silicon group and represented by Formula (III). | 01-01-2009 |
20090039774 | ORGANIC ELECTROLUMINESCENCE ELEMENT AND DISPLAY DEVICE - An organic electroluminescence element includes a pair of electrodes composed of an anode and a cathode, at least one of which is transparent or semitransparent, and one or more organic compound layers disposed between the pair of electrodes, wherein at least one of the organic compound layers comprises at least one charge-transporting polyester consisting of repeating units containing, as a partial structure, at least one structure represented by the following formula (I-1). | 02-12-2009 |
20100133995 | Novel thiophene-containing compound and thiophene-containing compound polymer, organic electroluminescent device, production method thereof, and image display medium - An organic electroluminescent device with a pair of electrodes having an anode and a cathode, and one or more organic compound layers disposed therebetween. One of the anode or the cathode is transparent or semitransparent. One of the organic compound layers includes a charge-transporting polyester having a repeating structure containing at least one structure selected from the structures represented by the following formulae as a partial structure: | 06-03-2010 |
20100137553 | Novel thiophene-containing compound and thiophene-containing compound polymer, organic electroluminescent device, production method thereof, and image display medium - A thiophene-containing compound polymer represented by | 06-03-2010 |
Patent application number | Description | Published |
20090217693 | AIR REFRIGERANT TYPE COOLING APPARATUS AND AIR REFRIGERANT COOLING/HEATING SYSTEM USING REFRIGERANT TYPE COOLING APPARATUS - The purpose present invention is to provide an air refrigerant type cooling apparatus provided with an internal air cooling mechanism with high reliability and efficiency. Another object of the present invention is to provide an air refrigerant cooling/heating system with a simplified configuration using the air refrigerant type cooling apparatus. To accomplish the purpose, a heat radiating means is provided in a motor of an air refrigerant type cooling apparatus having a compressor, the motor and an expansion turbine in the present invention. Also, a pressure difference is positively generated between the inside and outside of the motor. By these means, when the motor is driven, the heat from the stator main body is exhausted to the outside of the motor through the heat radiating means and the heat from the coil end portions is exhausted through the cooling air exhausted from the inside to the outside of the motor. Further, a guide plate is located adjacent to the cooling air inlet in the motor, so that the intake cooling air is efficiently guided to the stator coil end portions. By this means, the heat generated from the coil end portions is efficiently exhausted from the inside to the outside of the motor. According to these configurations, an air refrigerant cooling apparatus can be realized. Moreover, by installing the air refrigerant cooling apparatus to a cooling/heating system, an air refrigerant cooling/heating system having simple configuration and very high reliability can be provided. | 09-03-2009 |
20110005252 | AIR REFRIGERANT TYPE FREEZING AND HEATING APPARATUS - An object is to provide an apparatus which performs freezing and heating with a high efficiency. A compressor generates an air refrigerant with a high temperature and a high pressure by compressing the air refrigerant. As the air refrigerant is heated by a first heat exchanger and further heated by a heater, the temperature of the air refrigerant is increased to more than 200° C. in which bread and cookies can be baked, and the air refrigerant is supplied to an oven. Heat of the air refrigerant outputted from the oven is recovered by a second heat exchanger, and supplied to a high-temperature side of the first heat exchanger. The air outputted from the second heat exchanger is cooled by a cooler and a third heat exchanger, is adiabatically expanded by an expansion turbine to be cooled to −85° C., and is supplied to a freezer. The air of the freezer is recovered to be supplied to the low-temperature side of the third heat exchanger, and then is supplied to the compressor. | 01-13-2011 |
20110041526 | AIR-REFRIGERANT COOLING APPARATUS - The present invention provides a technique for rapidly removing frost accumulated in air-refrigerant cooling apparatuses. An air-refrigerant cooling apparatus in accordance with the present invention includes a bypass line for directly supplying a defroster with refrigerant air having an increased temperature from a compressor, avoiding temperature drop by a heat exchanger and an expansion turbine. Moisture of the frost melted in the defroster is externally exhausted by a fan. | 02-24-2011 |
Patent application number | Description | Published |
20120106219 | SEMICONDUCTOR DEVICE FOR WIRELESS COMMUNICATION - Provided is a semiconductor device for wireless communication which achieves a reduction in leakage power and allows an improvement in power efficiency. For example, to external terminals, an antenna driver section for driving an antenna and a rectifying section for rectifying input power from the antenna are coupled. The antenna driver section includes pull-up PMOS transistors and pull-down NMOS transistors. In the rectifying section, a power supply voltage generated by a full-wave rectifying circuit is boosted by a voltage boosting circuit. For example, when a supply of a power supply voltage from a battery is stopped, a power supply voltage resulting from the boosting by the voltage boosting circuit is supplied to the bulk of each of the pull-up PMOS transistors. | 05-03-2012 |
20120119808 | SEMICONDUCTOR INTEGRATED CIRCUIT AND OPERATING METHOD THEROF - An integrated circuit is equipped with a reception mixer and a signal generator. A multistage delay circuit generates a plurality of clock pulses in response to a reception carrier signal. A phase detection unit detects differences between a voltage level of a specific clock pulse and voltage levels of a predetermined number of clock pulses generated prior to the specific clock pulse to thereby detect a predetermined phase of the specific clock pulse. A selector of a clock generation unit outputs a plurality of selection clock pulse signals respectively having a plurality of phases from the clock pulse signals. A first signal synthetic logic circuit performs logical operations on the selection clock pulses to thereby generate local signals supplied to the reception mixer. | 05-17-2012 |
20120161889 | CRYSTAL OSCILLATION DEVICE AND SEMICONDUCTOR DEVICE - A wiring pattern for oscillation input signal and a wiring pattern for oscillation output signal are provided on a printed circuit board, and a wiring pattern for ground power source voltage is arranged in a region therebetween. A quartz crystal unit is connected between the wiring pattern for oscillation input signal and the wiring pattern for oscillation output signal and one ends of capacitors serving as load capacitors thereof are connected to the wiring pattern for ground power source voltage. Further, a wiring pattern for VSS is arranged so as to enclose these wiring patterns, and a wiring pattern for VSS is arranged also in a lower layer in addition thereto. By this means, reduction of a parasitic capacitance between an XIN node and an XOUT node, improvement in noise tolerance of these nodes and others can be achieved. | 06-28-2012 |
20140022103 | SEMICONDUCTOR DEVICE HAVING ANALOG-TO-DIGITAL CONVERTER WITH GAIN-DEPENDENT DITHERING AND COMMUNICATION APPARATUS - A semiconductor communication device reduces influence of noise that is produced by applying a dither signal. The semiconductor communication device includes a Delta-Sigma analog-to-digital converter that converts input analog signals to digital signals, a power detecting unit that detects signal power of the digital signals, a gain control unit that changes a gain setting of analog signals to be input to the Delta-Sigma analog-to-digital converter depending on the signal power of the digital signals, and a dither signal control unit that causes the Delta-Sigma analog-to-digital converter to selectively add the dither signal when the gain setting changes. | 01-23-2014 |
20140203958 | PASSIVE AMPLIFICATION CIRCUIT AND ANALOG-DIGITAL CONVERTOR - A differential signal is amplified by passive amplification which does not a reference of a common-mode voltage. At this time, the voltage of the differential signal is passive-amplified twice before carrying out a successive approximation type analog-digital conversion operation. The passive amplification is attained by providing a plurality of capacitances which carry out a sampling operation, and switching these connection relation by using switches. Without being accompanied by the increase of the consumed power and the chip size, an influence by the noise of s comparator is reduced to a half so that the effective resolution can be increased for one bit. | 07-24-2014 |
20140232476 | Crystal Oscillation Device and Semiconductor Device - A wiring pattern for oscillation input signal and a wiring pattern for oscillation output signal are provided on a printed circuit board, and a wiring pattern for ground power source voltage is arranged in a region therebetween. A quartz crystal unit is connected between the wiring pattern for oscillation input signal and the wiring pattern for oscillation output signal and one ends of capacitors serving as load capacitors thereof are connected to the wiring pattern for ground power source voltage. Further, a wiring pattern for VSS is arranged so as to enclose these wiring patterns, and a wiring pattern for VSS is arranged also in a lower layer in addition thereto. By this means, reduction of a parasitic capacitance between an XIN node and an XOUT node, improvement in noise tolerance of these nodes and others can be achieved. | 08-21-2014 |
20140253352 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE - A digital-correction-type A/D converter which is a charge sharing type and performing successive approximation is realized in a small area. The A/D converter is configured with an A/D conversion unit which is a charge sharing type and performing successive approximation, a digital correction unit which receives a digital output of the A/D conversion unit and performs digital correction to the digital output, and a holding unit which holds a test signal. A test signal of a common value from the holding unit is inputted into the A/D conversion unit in the first period and the second period. The A/D conversion correction coefficient for the digital correction unit is calculated on the basis of the digital correction result of the digital correction unit in the first period, and the digital correction result of the digital correction unit in the second period. | 09-11-2014 |
20140333459 | ELECTRONIC SYSTEM AND OPERATING METHOD THEREOF - To compensate for non-linearity of an AD conversion unit and non-linearity of a DA conversion unit in an electronic system including the DA conversion unit and the AD conversion unit, an electronic system includes an A/D conversion unit, a D/A conversion unit, an AD conversion compensation unit, a DA conversion compensation unit, and a calibration unit. During a calibration operation period, the calibration unit sets an operating characteristic of the AD conversion compensation unit and an operating characteristic of the DA conversion compensation unit. The operating characteristic of the AD conversion compensation unit set during the calibration operation period compensates for non-linearity of AD conversion of the A/D conversion unit. The operating characteristic of the DA conversion compensation unit set during the calibration operation period compensates for non-linearity of DA conversion of the D/A conversion unit. | 11-13-2014 |
20140333461 | Semiconductor Device Having Analog-To-Digital Converter With Gain-Dependent Dithering And Communication Apparatus - A semiconductor communication device reduces influence of noise that is produced by applying a dither signal. The semiconductor communication device includes a Delta-Sigma analog-to-digital converter that converts input analog signals to digital signals, a power detecting unit that detects signal power of the digital signals, a gain control unit that changes a gain setting of analog signals to be input to the Delta-Sigma analog-to-digital converter depending on the signal power of the digital signals, and a dither signal control unit that causes the Delta-Sigma analog-to-digital converter to selectively add the dither signal when the gain setting changes. | 11-13-2014 |
20150188555 | A/D CONVERTER CIRCUIT AND SEMICONDUCTOR INTEGRATED CIRCUIT - An analog-to-digital converter circuit having a simple design and capable of preventing an increase in surface area and other problems. An analog-to-digital converter circuit for converting an analog input signal to a digital quantity includes an analog-to-digital converter unit that converts analog input signals to pre-correction digital values, and a corrector unit that digitally corrects the pre-connection digital values output from the analog-to-digital converter unit. The corrector unit includes a weighting coefficient multiplier unit that outputs a post-correction digital value obtained by multiplying the weighting coefficients provided for each bit by each bit of the pre-correction digital value output from the A/D converter unit and summing them, and a weighting coefficient search unit that searches for weighting coefficients so as to minimize an error signal generated based on the post-correction digital value and an approximate value for the post-correction digital value. | 07-02-2015 |
20150229322 | PASSIVE AMPLIFICATION CIRCUIT AND ANALOG-DIGITAL CONVERTOR - A differential signal is amplified by passive amplification which does not a reference of a common-mode voltage. At this time, the voltage of the differential signal is passive-amplified twice before carrying out a successive approximation type analog-digital conversion operation. The passive amplification is attained by providing a plurality of capacitances which carry out a sampling operation, and switching these connection relation by using switches. Without being accompanied by the increase of the consumed power and the chip size, an influence by the noise of s comparator is reduced to a half so that the effective resolution can be increased for one bit. | 08-13-2015 |
20150249459 | ELECTRONIC SYSTEM AND OPERATING METHOD THEREOF - To compensate for non-linearity of an AD conversion unit and non-linearity of a DA conversion unit in an electronic system including the DA conversion unit and the AD conversion unit, an electronic system includes an A/D conversion unit, a D/A conversion unit, an AD conversion compensation unit, a DA conversion compensation unit, and a calibration unit. During a calibration operation period, the calibration unit sets an operating characteristic of the AD conversion compensation unit and an operating characteristic of the DA conversion compensation unit. The operating characteristic of the AD conversion compensation unit set during the calibration operation period compensates for non-linearity of AD conversion of the A/D conversion unit. The operating characteristic of the DA conversion compensation unit set during the calibration operation period compensates for non-linearity of DA conversion of the D/A conversion unit. | 09-03-2015 |
20150256193 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE - A digital-correction-type A/D converter which is a charge sharing type and performing successive approximation is realized in a small area. The A/D converter is configured with an A/D conversion unit which is a charge sharing type and performing successive approximation, a digital correction unit which receives a digital output of the A/D conversion unit and performs digital correction to the digital output, and a holding unit which holds a test signal. A test signal of a common value from the holding unit is inputted into the A/D conversion unit in the first period and the second period. The A/D conversion correction coefficient for the digital correction unit is calculated on the basis of the digital correction result of the digital correction unit in the first period, and the digital correction result of the digital correction unit in the second period. | 09-10-2015 |
20150293552 | CURRENT GENERATION CIRCUIT, AND BANDGAP REFERENCE CIRCUIT AND SEMICONDUCTOR DEVICE INCLUDING THE SAME - A current generation circuit including a first and a second bipolar transistors, a current distribution circuit that makes a first current and a second current flow through the first and second bipolar transistors, respectively, the first current and the second current corresponding to a first control voltage, a first NMOS transistor disposed between the first bipolar transistor and the first current distribution circuit, a second NMOS transistor disposed between the second bipolar transistor and the first current distribution circuit, a first resistive element, a first operational amplifier that outputs the second control voltage to the gates of the first and the second NMOS transistors according to a drain voltage of the first NMOS transistor and a reference bias voltage, and a second operational amplifier that generates the first control voltage according to a drain voltage of the second NMOS transistor and the reference bias voltage. | 10-15-2015 |
20150341043 | A/D CONVERTER CIRCUIT AND SEMICONDUCTOR INTEGRATED CIRCUIT - An analog-to-digital converter circuit having a simple design and capable of preventing an increase in surface area and other problems. An analog-to-digital converter circuit for converting an analog input signal to a digital quantity includes an analog-to-digital converter unit that converts analog input signals to pre-correction digital values, and a corrector unit that digitally corrects the pre-connection digital values output from the analog-to-digital converter unit. The corrector unit includes a weighting coefficient multiplier unit that outputs a post-correction digital value obtained by multiplying the weighting coefficients provided for each bit by each bit of the pre-correction digital value output from the A/D converter unit and summing them, and a weighting coefficient search unit that searches for weighting coefficients so as to minimize an error signal generated based on the post-correction digital value and an approximate value for the post-correction digital value. | 11-26-2015 |