Patent application number | Description | Published |
20130279943 | IMAGE FORMING APPARATUS AND TONER CASE - An image forming apparatus includes a toner case and an installed part. The toner case includes a discharge port discharging a toner. To the installed part, the toner case is detachably installed. On the circumference of the toner case, a locking piece is provided. The installed part includes a locking member covering at least a part of the circumference of the toner case. The locking member has an insertion depression, an engaging piece and a biasing member. The insertion depression is arranged along an installing direction of the toner case and is capable of insertion of the locking piece. The engaging piece moves between a protrusive position protruded to the insertion depression at predetermined length and a withdrawn position withdrawn further than the protrusive position from the insertion depression in intersecting directions with the installing direction. The biasing member biases the engaging piece to the protrusive position side. | 10-24-2013 |
20140086639 | IMAGE FORMING APPARATUS, TONER CASE AND DRIVE TRANSMISSION MECHANISM - An image forming apparatus includes a toner case containing a toner and an installed member in which the toner case is installed. The toner case has a case main body in which rotating members are installed, and a following coupling. The case main body has a discharge port discharging the toner. The following coupling is connected to the rotating member and has a pressured part. The installed member has a drive coupling and a drive source rotating the drive coupling. The drive coupling is linked to the following coupling and has a pressuring part. The drive coupling and following coupling are rotated in the same rotation direction around the same rotation axis by pressuring the pressured part by the pressuring part. The pressured part is provided so as to come close to the rotation axis from an upper stream side to a lower stream side in the rotation direction. | 03-27-2014 |
20150212482 | IMAGE FORMING APPARATUS - Image forming apparatus including: attachment portion which is provided in apparatus main body and in which support plates are disposed to face each other; and replacement member which is supported between support plates of attachment portion in attachable/detachable manner. Replacement member includes first contact portion which is provided on side surface that faces one support plate and is electrically conductive when contacted with one support plate. Attachment portion includes second contact portion and support portion. Second contact portion is provided on one support plate and is electrically connected with first contact portion upon contact with it. Support portion, during attachment operation in which replacement member is attached to attachment portion, is engaged with replacement member and allows first contact portion to be moved to predetermined set position at which first contact portion is in contact with second contact portion. | 07-30-2015 |
20150227079 | IMAGE FORMING APPARATUS - An image forming apparatus includes a toner container. The toner container includes an opening/closing portion and an operation portion. The image forming apparatus includes a drive transmission portion and a detection portion. When the lever of the operation portion is swingingly operated, the operation driving force of the operation is transmitted to the opening/closing portion via a first rotation portion and a second rotation portion. This allows a shutter cylinder to move from a closing position to an opening position. In addition, when the second rotation portion is rotated, a detected bar of the detection portion moves from a second position to a first position. The detection portion detects that a toner discharge outlet is opened, by detecting that the detected bar has moved to the first position. | 08-13-2015 |
Patent application number | Description | Published |
20100207162 | VERTICAL AND TRENCH TYPE INSULATED GATE MOS SEMICONDUCTOR DEVICE - A vertical and trench type insulated gate MOS semiconductor device is provided in which the surfaces of p-type channel regions and the surfaces of portions of an n-type semiconductor substrate alternate in the longitudinal direction of the trench between the trenches arranged in parallel, and an n | 08-19-2010 |
20110006403 | SEMICONDUCTOR DEVICE AND THE METHOD FOR MANUFACTURING THE SAME - A semiconductor device is disclosed which includes active section | 01-13-2011 |
20110215435 | SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE - Some embodiments of the present invention relate to a semiconductor device and a method of manufacturing a semiconductor device capable of preventing the deterioration of electrical characteristics. A p-type collector region is provided on a surface layer of a backside surface of an n-type drift region. A p | 09-08-2011 |
20110281406 | SEMICONDUCTOR DEVICE MANUFACTURING METHOD - A manufacturing method is disclosed which ensures strength of a wafer and improves device performance. A thermal diffusion layer is formed from a front surface of a wafer. A tapered groove which reaches the thermal diffusion layer is formed from a back surface by anisotropic etching with alkaline solution. In-groove thermal diffusion layer is formed on side wall surfaces of the groove. A separation layer of a reverse blocking IGBT is configured of the thermal diffusion layer and the in-groove diffusion layer. The thermal diffusion layer is formed shallowly by forming the in-groove diffusion layer. It is possible to considerably reduce thermal diffusion time. By carrying out an ion implantation forming the in-groove diffusion layer and an ion implantation forming a collector layer separately, it is possible to select an optimum value for tradeoff between turn-on voltage and switching loss, while ensuring reverse blocking voltage of the reverse blocking IGBT. | 11-17-2011 |
20140061672 | SEMICONDUCTOR DEVICE - A semiconductor device includes an active region in which current flows when the semiconductor device is in an on state and a breakdown voltage structure portion which surrounds the active region. In the active region, a MOS gate structure includes, a p well region, an n | 03-06-2014 |
20140094020 | METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE - Some embodiments of the present invention relate to a semiconductor device and a method of manufacturing a semiconductor device capable of preventing the deterioration of electrical characteristics. A p-type collector region is provided on a surface layer of a backside surface of an n-type drift region. A p | 04-03-2014 |
20140162413 | METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE - A method includes forming on a first main surface of a semiconductor wafer of a first conduction type, a gate electrode of a semiconductor element, an edge termination region for forming a breakdown voltage of the semiconductor element, and a first semiconductor region of a second conduction type which surrounds the semiconductor element and the edge termination region. A groove may be formed to reach the first semiconductor region from a second main surface of the semiconductor wafer. The groove is formed so that a portion of the semiconductor wafer, that forms an outer circumferential end of the semiconductor wafer, remains and the groove is further towards a center of the semiconductor wafer than the outer circumferential end. A third semiconductor region of the second conduction type is on a side wall of the groove and electrically connects the first semiconductor region and a second semiconductor region. | 06-12-2014 |
20140361312 | SEMICONDUCTOR DEVICE - In aspects of the invention, SiC reverse blocking MOSFET includes an active region including a MOS gate structure and a breakdown voltage structure portion surrounding the outer circumference of the active region, which are provided on the surface side of a SiC-n | 12-11-2014 |
20150064852 | METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE - In a method for manufacturing a reverse blocking MOS semiconductor device, a gettering polysilicon layer is formed on a rear surface of an FZ silicon substrate. Then, a p | 03-05-2015 |
Patent application number | Description | Published |
20110086471 | METHOD OF PRODUCING A SEMICONDUCTOR DEVICE WITH AN ALUMINUM OR ALUMINUM ALLOY ELECTRODE - A method of producing a semiconductor device that has a silicon substrate including a first major surface and a second major surface thereof, a front surface device structure being formed in a region of the first major surface, the method has a step of forming a rear electrode in a region of the second major surface, which includes evaporating or sputtering aluminum-silicon onto the second major surface to form an aluminum silicon film as a first layer of the rear electrode, the aluminum silicon film having a silicon concentration of at least 2 percent by weight when the thickness thereof is less than 0.3 μm. | 04-14-2011 |
20110121360 | METHOD OF PRODUCING A SEMICONDUCTOR DEVICE WITH AN ALUMINUM OR ALUMINUM ALLOY ELECTRODE - A semiconductor device includes a silicon substrate having a first major surface and a second major surface opposite to the first major surface, a drift layer and a collector layer formed in sequence in the silicon substrate from the first major surface, and an aluminum silicon film formed on the second major surface. The drift layer is of a first conductivity type, and is surrounded by a semiconductor layer of a second conductivity type including the collector layer. | 05-26-2011 |
20130092979 | SEMICONDUCTOR DEVICE WITH AN ELECTRODE INCLUDING AN ALUMINUM-SILICON FILM - A semiconductor device, including a silicon substrate having a first major surface and a second major surface, a front surface device structure formed in a region of the first major surface, and a rear electrode formed in a region of the second major surface. The rear electrode includes, as a first layer thereof, an aluminum silicon film that is formed by evaporating or sputtering aluminum-silicon onto the second major surface, the aluminum silicon film having a silicon concentration of at least 2 percent by weight and a thickness of less than 0.3 μm. | 04-18-2013 |
Patent application number | Description | Published |
20100073066 | RADIO-FREQUENCY SWITCH CIRCUIT - A radio-frequency switch circuit of the invention includes: n-stage through FETs (field effect transistors) connected in series between the antenna terminal and each of the radio-frequency terminals, where n is a natural number; a radio-frequency leakage prevention resistor connected to a gate of the through FETs; a control signal line commonly connected to the gates of the n-stage through FETs connected to the same radio-frequency terminal; and a resistor connected to each of at least two of the control signal lines and connected to the radio-frequency leakage prevention resistor in series The two control signal lines are capacitively coupled between the resistor and the through FETs. | 03-25-2010 |
20120038411 | HIGH-FREQUENCY SWITCH - According to one embodiment, a high-frequency switch includes a high-frequency switch IC chip. The high-frequency switch IC chip has a high-frequency switching circuit section including an input terminal, a plurality of switching elements, a plurality of high-frequency signal lines, and a plurality of output terminals. The input terminal is connected to each of the plurality of output terminals via each of the plurality of switching elements with the high-frequency signal lines having the same lengths. The plurality of output terminals are arranged on a surface at an outer periphery of the high-frequency switch IC chip. The input terminal is arranged on the surface of the high-frequency switch IC chip at the center of the high-frequency switch IC circuit section. | 02-16-2012 |
20120182061 | RADIO-FREQUENCY SWITCH CIRCUIT - A radio-frequency switch circuit of the invention includes: n-stage through FETs (field effect transistors) connected in series between the antenna terminal and each of the radio-frequency terminals, where n is a natural number; a radio-frequency leakage prevention resistor connected to a gate of the through FETs; a control signal line commonly connected to the gates of the n-stage through FETs connected to the same radio-frequency terminal; and a resistor connected to each of at least two of the control signal lines and connected to the radio-frequency leakage prevention resistor in series The two control signal lines are capacitively coupled between the resistor and the through FETs. | 07-19-2012 |
Patent application number | Description | Published |
20120092587 | DISPLAY DEVICE AND DRIVING METHOD FOR DISPLAY DEVICE - An object is to suppress degradation of an image quality of a display image. A plurality of display circuits arranged in M rows (M is a natural number of 2 or more) and N columns (N is a natural number) and a light unit are included; the light unit includes a plurality of light-emitting diode groups arranged in X rows (X is a natural number of 2 or more), overlaps with a display circuit in at least different one or more rows every row, and includes a light-emitting diode emitting red light, a light-emitting diode emitting green light and a light-emitting diode emitting blue light and a light guide plate formed between the plurality of display circuits and the plurality of light-emitting diode groups. The light guide plate includes X light guide members which transmits the light of the light-emitting diode groups in the rows different from each other. | 04-19-2012 |
20120113657 | Lighting Device - To provide a lighting device where a light-emitting body including light-emitting elements whose light-emitting regions are spread out in a plane or light-emitting elements in which a plurality of light-emitting regions are arranged in a plane can be exchanged easily. To provide a lighting device in which a terminal of the light-emitting body can be electrically connected to a contact of a mounting portion easily. A light-emitting body including light-emitting elements whose light-emitting regions are spread out in a plane or light-emitting elements in which a plurality of light-emitting regions are arranged in a plane may be fixed by a magnetic force so that a terminal of the light-emitting body is in contact with the contact of the mounting portion. | 05-10-2012 |
20120126725 | Fixing Device of Light-Emitting Body and Lighting Device - A fixing device of a light-emitting body, whose mounting height is suppressed, is provided. Further, a lighting device whose mounting height is suppressed is provided. Further, a lighting device whose mounting height is suppressed and in which fixtures supporting a light-emitting body are hidden from view is provided. Furthermore, a lighting device whose mounting height is suppressed and in which light-emitting bodies can be arranged with no space therebetween and supported is provided. A structure is employed in which a planar light-emitting body whose thickness is suppressed is formed using an organic electroluminescent element, a terminal is provided in each of end portions facing each other in the planar light-emitting body, the terminals are made in contact with contacts provided in fixtures, and the end portions of the light-emitting body are held between the fixtures. | 05-24-2012 |
20120187825 | Lighting Device and Attachment Board of Lighting Device - A lighting device whose attachment position can be easily changed and an attachment board of the lighting device are provided. The lighting device employs a structure in which an attachment terminal included in a housing to which a lightweight planar light-emitting element is fixed is inserted into the attachment board, so as to fix the housing, and power is supplied from two wirings, which have different polarities and are provided inside the attachment board, to the light-emitting element through the attachment terminal. | 07-26-2012 |
Patent application number | Description | Published |
20110175861 | DISPLAY DEVICE - To reduce power consumption of a display device with the use of a simple structure and a simple operation. The display device includes an input device. Input of an image signal to a driver circuit is controlled in accordance with an image operation signal output from the input device. Specifically, input of image signals at the time when the input device is not operated is less frequent than that at the time when the input device is operated. Accordingly, display degradation (deterioration of display quality) caused when the display device is used can be prevented and power consumed when the display device is not used can be reduced. | 07-21-2011 |
20110175874 | Display Device And Method For Driving The Same - A liquid crystal display device includes an optical sensor provided near an end portion of a liquid crystal display panel, a pixel provided in a display region of the liquid crystal panel, and a monitoring pixel. The optical sensor detects illuminance of light delivered from the liquid crystal display panel side. The pixel for which a transistor whose off-state current is low and the monitoring pixel are supplied with a potential to display a still image, at least light transmitted through a liquid crystal layer of the monitoring pixel is detected by the optical sensor, and the pixel in the display region of the liquid crystal display panel and the monitoring pixel are supplied again with a potential when a rate of change in illuminance reaches a predetermined value, so that the still image is kept being displayed. | 07-21-2011 |
20110175894 | METHOD FOR DRIVING DISPLAY DEVICE - An object is to provide a convenient display device which consumes sufficiently small amount of power and a method for driving such a display device. The display device can be in an off state with a still image displayed in a still image display mode in which a pixel electrode and a common electrode which are for applying a voltage to the display element are brought into a floating state so that a voltage applied to the display element is held, and a still image is displayed without further supply of a potential. The display device is put to an off state with a desired image displayed in the still image display mode, whereby the display device can have a higher level of security and can be more convenient. | 07-21-2011 |
20110175895 | METHOD FOR DRIVING DISPLAY DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - The still image display mode includes a first period of writing the data of the image signal from the driver circuit portion into the pixel; after the first period, a second period of stopping supply of a signal or voltage for operating the driver circuit portion to the driver circuit portion; and after the second period, a third period of restarting the supply of a signal or voltage for operating the driver circuit portion to the driver circuit portion and writing the data of the image signal into the pixel from the driver circuit portion, so that the pixel keeps displaying a still image. A length of a period from the stop of the supply of the signal for operating the driver circuit portion to the driver circuit portion to the restart is set in accordance with a temperature of the display device. | 07-21-2011 |
20110181802 | DISPLAY METHOD OF DISPLAY DEVICE - A display method suitable for an image provided by a digital data file and/or a display method of a display device in which the image quality and power consumption are adjusted in accordance with the state of the display device or at user's request to display an image. The image is displayed on the display device in which a plurality of pixels having a pixel electrode connected to a switching element whose off-state current is reduced, using the image provided by the digital data file and data which is provided by the digital data file and is correlated to an operation of the display device. | 07-28-2011 |
20110241558 | Light-Emitting Device and Driving Method Thereof - It is an object to provide a light-emitting device whose light is not entirely turned off owing to disconnection (an insulation defect) in part of light-emitting elements and the whole of which can be driven by one constant current supply without causing variation in brightness. Further, it is an object to provide a light-emitting device in which brightness can be adjusted. In addition, it is an object to provide a light-emitting device in which change in properties of light-emitting elements over time due to the use thereof is less likely to appear as variation in brightness. In order to achieve the above object, a light-emitting device in which a plurality of light-emitting panels are connected to a constant current supply controlled by a light-emission control unit may be used, and each of the light-emitting panels may be sequentially driven, independently. The plurality of light-emitting panels provided in the light-emitting device may be used evenly so that difference in total operating time is not caused among them. | 10-06-2011 |
20110279992 | Electronic Apparatus and Method for Connecting Electronic Device - Electronic devices which are selected by a user are coupled together through a coupler to provide a portable electronic apparatus. At least one of the electronic devices is provided with a pair of first connection terminal groups whose polarities are symmetric with respect to one rotation axis. The coupler is provided with a second connection terminal group. In addition, since the electronic device is detachable from the spindle through the coupler, the electronic device can be coupled to the coupler after the electronic device is reversed by the rotation about one rotation axis. A plurality of electronic devices can be connected to each other through the first connection terminal group and the second connection terminal group of the coupler. | 11-17-2011 |
20150049067 | DISPLAY DEVICE - To reduce power consumption of a display device with the use of a simple structure and a simple operation. The display device includes an input device. Input of an image signal to a driver circuit is controlled in accordance with an image operation signal output from the input device. Specifically, input of image signals at the time when the input device is not operated is less frequent than that at the time when the input device is operated. Accordingly, display degradation (deterioration of display quality) caused when the display device is used can be prevented and power consumed when the display device is not used can be reduced. | 02-19-2015 |
20150179119 | METHOD FOR DRIVING DISPLAY DEVICE - An object is to provide a convenient display device which consumes sufficiently small amount of power and a method for driving such a display device. The display device can be in an off state with a still image displayed in a still image display mode in which a pixel electrode and a common electrode which are for applying a voltage to the display element are brought into a floating state so that a voltage applied to the display element is held, and a still image is displayed without further supply of a potential. The display device is put to an off state with a desired image displayed in the still image display mode, whereby the display device can have a higher level of security and can be more convenient. | 06-25-2015 |
Patent application number | Description | Published |
20120327352 | LIQUID CRYSTAL DISPLAY APPARATUS - According to one embodiment, a liquid crystal display apparatus includes a first substrate including a pixel electrode including comb-like projections extending in a first direction and arranged in a second direction substantially perpendicular to the first direction, a common electrode including comb-like projections extending in the first direction between the comb-like projections of the pixel electrode and arranged with a predetermined spacing from the comb-like projections of the pixel electrode, a second substrate arranged opposite to the first substrate, and a liquid crystal layer sandwiched between the first substrate and the second substrate. A space width between the comb-like projection of the pixel electrode and the comb-like projection of the common electrode of end portion in the second direction is greater than a space width between the comb-like projection of the pixel electrode and the comb-like projection of the common electrode in a center portion. | 12-27-2012 |
20130088657 | LIQUID CRYSTAL DISPLAY DEVICE - According to one embodiment, a device includes a first substrate including first and second gate lines which extend in a first direction, a source line which extends in a second direction, and a pixel electrode including a primary pixel electrode which is located between the first and second gate lines and which extends in the second direction, a second substrate including a common electrode which extends parallel to the primary pixel electrode on both sides across the primary pixel electrode, and a liquid crystal layer held between the first and second substrates. At a position that intersects with the source line, at least one of the first gate line and the second gate line includes a depression provided in an end located on the side of the pixel electrode. | 04-11-2013 |
20130107184 | LIQUID CRYSTAL DISPLAY | 05-02-2013 |
20130113693 | LIQUID CRYSTAL DISPLAY - According to one embodiment, a display includes a first substrate including a scan line, a signal line, a pixel electrode including first electrodes extending substantially parallel to the signal line, a common electrode including second electrodes extending parallel to the first electrode between the first electrodes and arranged with a predetermined space between each second electrode and the adjacent first electrode, and a shielding portion at least arranged between the signal line and the first electrode arranged near the signal line, a second substrate including a light shielding layer having a width identical to a width of the shielding portion and arranged opposite the signal line, in a direction substantially orthogonal to the signal line, and a liquid crystal layer. | 05-09-2013 |
Patent application number | Description | Published |
20100027305 | ELECTRIC POWER CONTROL DEVICE AND VEHICLE WITH THE SAME - Power lines are connected to neutral points of motor generators, respectively, and an electric power is transmitted and received between a vehicle and a load outside the vehicle via the power lines. In this transmission, an ECU simultaneously PWM-controls all phases of one of inverters, and controls the other inverter to keep continuously the conducting state. | 02-04-2010 |
20130076188 | ELECTRIC ROTATING MACHINE - An electric rotating machine includes a rotor and a stator. The rotor has a plurality of pairs of magnetic poles. The stator includes a stator core and a stator coil that is comprised of a plurality of phase windings wound on the stator core. The stator core has, for each of the phase windings of the stator coil, n circumferentially-consecutive single-phase slots, in which only the phase winding is received, per magnetic pole of the rotor, where n is a natural number not less than 2. Each of the phase windings of the stator coil has first to kth sections that are sequentially arranged from one end to the other end of the phase winding, where k is a natural number not less than 2. The first section is received in different ones of the single-phase slots for the phase winding from the kth section. | 03-28-2013 |
20130093394 | CHARGING DEVICE FOR ELECTROMOTIVE VEHICLE - An AC-DC converter converts an alternating-current voltage, supplied from an external power supply, to a direct-current voltage higher than a peak voltage of the alternating-current voltage, and outputs the direct-current voltage to a first power supply line. In a normal control mode, a DC-DC converter steps down a voltage of the power supply line through on/off control over a switching element to charge a main battery. On the other hand, in an upper arm ON control mode, the DC-DC converter charge the main battery while the switching element is kept in an on state. On the basis of a state of external charging, a control device applies the upper arm ON control mode when a condition that upper arm ON control is applicable is satisfied, and applies the normal control mode when the condition is not satisfied. | 04-18-2013 |
20150244227 | ROTARY ELECTRIC MACHINE - A rotary electric machine includes a rotor and a stator. A stator core has n in-phase slots provided in the circumferential direction and correspond to magnetic poles, and into each of which phase windings of the same phase are installed. Each of the phase windings is divided into 2n portions in an extending direction so that each of the phase windings is configured by a first partial winding, a second partial winding, . . . , and a 2n-th partial winding arranged from one end positioned in the extending direction in sequence. The first partial winding and the 2n-th partial winding are inserted into different in-phase slots of the stator core. Counted from one end positioned in the extending direction, the 2m-th (1≦m≦n) partial winding at an even-numbered position and the (2m−1)-th partial winding are inserted into different in-phase slots of the stator core. | 08-27-2015 |
Patent application number | Description | Published |
20110221412 | VOLTAGE CONVERTER AND LED DRIVER CIRCUITS - A voltage converter circuit can include a boost converter having a switching transistor and configured to receive an input voltage, produce an output voltage and selectively operate in one of a boost mode, a skip mode and a linear mode. In the boost and skip modes, the boost converter can switch on and off the switching transistor at a switching frequency to produce an output voltage at magnitudes greater than input voltage magnitudes. In the linear mode, the boost converter can turn off the switching transistor at all times to pass the input voltage unboosted to produce an output voltage at magnitudes less than input voltage magnitudes. The boost converter can be configured to operate in the boost mode for input voltage magnitudes less than a first predetermined input voltage magnitude, in the skip mode for input voltage magnitudes between the first predetermined magnitude and a second predetermined input voltage magnitude greater than the first predetermined input voltage magnitude, and in the linear mode for input voltage magnitudes greater than the second predetermined input voltage magnitude. | 09-15-2011 |
20120182167 | BUFFER TO DRIVE REFERENCE VOLTAGE - Embodiments of the present invention may provide an integrated circuit that may comprise a first transistor to receive an input voltage signal at its gate and generate an output voltage signal at its drain. Further, the integrated circuit may comprise a second transistor to form an active load of the first transistor, the second transistor may have its drain and gate coupled to the drain of the first transistor. In addition, the integrated circuit may comprise a third transistor to form a current mirror with the second transistor, a fourth transistor to form an active load of the third transistor, and a fifth transistor to form a current mirror with the fourth transistor. The fifth transistor may be connected to the drain of the second transistor. The integrated circuit may form an amplifier and Gm stage of a reference buffer. | 07-19-2012 |