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48results about How to "Inhibition of shortened lifespan" patented technology

Liquid crystal display device

To provide a display device in which a viewing angle characteristic is improved by providing a plurality of sub-pixels to one pixel. Alternatively, to provide a display device in which an aperture ratio is suppressed even when a plurality of sub-pixels is provided. A pixel including first sub-pixel, a second sub-pixel, and a third sub-pixel, a scanning line, a signal line, a first capacitor wiring, a second capacitor wiring and a third capacitor wiring are provided. Pixel electrodes each electrically connected to one electrode of the first to third capacitor elements, and the first to third capacitor wirings, respectively, are provided to the first to third sub-pixels electrodes, respectively. Potentials of the first capacitor wiring and the second capacitor wiring are changed and a potential of the third capacitor wiring is kept almost constant.
Owner:SEMICON ENERGY LAB CO LTD

Liquid crystal display device

To provide a display device in which a viewing angle characteristic is improved by providing a plurality of sub-pixels to one pixel. Alternatively, to provide a display device in which an aperture ratio is suppressed even when a plurality of sub-pixels is provided. A pixel including first sub-pixel, a second sub-pixel, and a third sub-pixel, a scanning line, a signal line, a first capacitor wiring, a second capacitor wiring and a third capacitor wiring are provided. Pixel electrodes each electrically connected to one electrode of the first to third capacitor elements, and the first to third capacitor wirings, respectively, are provided to the first to third sub-pixels electrodes, respectively. Potentials of the first capacitor wiring and the second capacitor wiring are changed and a potential of the third capacitor wiring is kept almost constant.
Owner:SEMICON ENERGY LAB CO LTD

Method of manufacturing microlens, microlens, microlens array, electro-optical device, and electronic apparatus

A method of manufacturing a microlens includes: forming on a transparent substrate an etching stop layer in a lens formation region where a curved lens surface of the microlens is to be formed, the etching stop layer having an island shape as a planar shape thereof; forming an intermediate layer on the etching stop layer; forming an etching mask layer on the intermediate layer, the etching mask layer having an opening at a position facing the etching stop layer; and etching, by means of isotropic etching, the intermediate layer from the opening, and etching the transparent substrate and the intermediate layer from a side of the etching stop layer.
Owner:SEIKO EPSON CORP

Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device

To provide a novel heterocyclic compound that can be used as a host material in which a light-emitting substance of a light-emitting layer is dispersed. A heterocyclic compound comprising a dibenzo[f,h]quinoxaline ring and two hole-transport skeletons, where the dibenzo[f,h]quinoxaline ring and the two hole-transport skeletons are bonded to an aromatic hydrocarbon group. A heterocyclic compound represented by the following general formula (G1) is provided.Note that in the formula, A1 and A2 each independently represent any of a substituted or unsubstituted carbazole skeleton, a substituted or unsubstituted dibenzofuran skeleton, and a substituted or unsubstituted dibenzothiophen skeleton; B represents a substituted or unsubstituted dibenzo[f,h]quinoxaline skeleton; and Ar represents an arene skeleton having 6 to 13 carbon atoms. A light-emitting element including the heterocyclic compound is provided.
Owner:SEMICON ENERGY LAB CO LTD

Light-emitting element, light-emitting device, electronic device, lighting device, and heterocyclic compound

Provided is a novel heterocyclic compound which has excellent heat resistance and can be used as a host material for a light-emitting substance (a substance emitting fluorescence or a substance emitting phosphorescence). A light-emitting element includes a heterocyclic compound which includes one dibenzo[f,h]quinoxaline ring, one ring having a hole-transport skeleton, and two to eight benzene rings. Note that in the above structure, the molecular weight of the heterocyclic compound is greater than or equal to 564 and less than or equal to 1000.
Owner:SEMICON ENERGY LAB CO LTD

Image heating apparatus

An image heating apparatus includes a heating rotatable member for heating an image on a recording material in a nip; a nip forming member for cooperating with said heating rotatable member to form the nip; a rubbing rotatable member having a rubbing material for rubbing said heating rotatable member; the following is satisfied:7×10−3≦(P / πH tan θ) (|V−v| / V)≦68×10−3 whereP: load [N] by said rubbing member to said heating rotatable member,V: peripheral speed of said heating rotatable member [mm / sec],v: peripheral speed [mm / sec] the of said rubbing member,h: microhardness [GPa] of said heating rotatable member, andθ: a half-apex-angle [°] of said rubbing material.
Owner:CANON KK

Device and method for controlling output of rechargeable battery

A controller and method for controlling output of a rechargeable battery that prevents the life span of the rechargeable battery from being shortened while ensuring starting of the engine. The rechargeable battery controller is mounted on a vehicle including an engine functioning as a power source. The controller includes a control unit for instructing a vehicle ECU, which is installed in the vehicle, to stop discharging the rechargeable battery when an index indicating the charged state of the rechargeable battery satisfies a discharge suspension condition. The control unit includes a monitor unit for changing the discharge suspension condition so as to continue discharging the rechargeable battery continues when the rechargeable battery is expected to supply power to the starter motor of the engine.
Owner:PANASONIC EV ENERGY CO LTD

Display device and driving method therefor

When a display mode is a high-resolution mode, image display is performed by time division driving. When the display mode is a low-resolution mode, image display is performed by defining j pixel circuits arranged continuously in a direction in which scanning signal lines extend as one group, bringing only one organic EL element into a light-emitting state in each of the pixel circuits in a frame period, and bringing organic EL elements having respective light emission colors different from one another into a light-emitting state in the j pixel circuits included in each group in the frame period. Pixel circuits in a display unit are configured such that the intervals of organic EL elements which go into a light-emitting state in the frame period when in the low-resolution mode are equalized regarding a direction in which the scanning signal lines extend.
Owner:SHARP KK

Method of manufacturing microlens, microlens, microlens array, electro-optical device, and electronic apparatus

A method of manufacturing a microlens includes: forming on a transparent substrate an etching stop layer in a lens formation region where a curved lens surface of the microlens is to be formed, the etching stop layer having an island shape as a planar shape thereof; forming an intermediate layer on the etching stop layer; forming an etching mask layer on the intermediate layer, the etching mask layer having an opening at a position facing the etching stop layer; and etching, by means of isotropic etching, the intermediate layer from the opening, and etching the transparent substrate and the intermediate layer from a side of the etching stop layer.
Owner:SEIKO EPSON CORP

Drive control apparatus for switching element

A drive control apparatus for a switching element drives a switching element including a sense element, and includes a drive circuit that provides a gate driving signal to the switching element, a transient characteristic absorbing circuit that absorbs a transient characteristic of the sense element when the switching element is turned on, and a determination circuit that determines an overcurrent or a short-circuit state of the switching element from an output of the sense element.
Owner:DENSO CORP

Incorporated device and method for controlling incorporated device

Provided is: an incorporated device incorporating an electrolytic bath and a power control device capable of minimizing any increase in temperature of the electrolytic bath and inhibiting a decrease in electrode lifespan; and a method for controlling the incorporated device. The incorporated device incorporates an electrolytic bath and a power control device capable of minimizing any increase in temperature of the electrolytic bath and inhibiting a decrease in electrode lifespan. The power control device is provided with: a voltage current control circuit for feeding, in a constant current control mode, an electrolytic current to the electrolytic bath while performing a control so that the electrolytic current does not exceed the current value of a reference current set in advance in accordance with the rated current of a unit cell constituting the electrolytic bath; and a temperature detection unit for detecting a temperature of the interior of the incorporated device and the environmental temperature on the outside of the electrolytic bath. When the temperature detected by the temperature detection unit moves out of a preset rated temperature range, the voltage current control circuit stops the feeding of the electrolytic current, and when the temperature detected by the temperature detection unit again falls within the rated temperature range, the voltage current control circuit restarts the feeding of the electrolytic current.
Owner:MORINAGA MILK IND CO LTD

Semiconductor laser device, method for manufacturing the same and optical pickup apparatus

A semiconductor laser chip is mounted on one surface of an electrode lead for chip mounting having a heat release region for releasing heat around the semiconductor laser chip. Therefore, it is possible to release heat of the semiconductor laser chip to the chip mounting lead and release the heat from the heat release region, thereby suppressing increase of a temperature of the semiconductor laser chip and suppressing shortening of life of the semiconductor laser chip.
Owner:SHARP KK

Garment

Provision of a garment capable of positively holding a biological information detecting device and suppressing the reduction of product lifetime to realize improvement in productivity and reduction of costs. A garment 100A includes a garment body 101 and a device housing portion 120 provided in the garment body 101 and holding a heart rate measuring device 10 having a device body 20 and electrodes 26A and 26B contacting a biological surface so as to be attached / detached, in which the device housing portion 120 holds part of the device body 20 in a state where the electrodes 26A and 26B are exposed toward the biological surface side. The device housing portion 120 houses the device body 20 in a stretched state.
Owner:SEIKO INSTR INC

Valve control device, cooling device, and valve control method

ActiveUS20200124313A1Suppress shortening of lifespanReduction in cooling efficiencyMechanical apparatusEfficient regulation technologiesPhysicsRefrigerant
A valve control device comprising a receiving unit, an opening degree control unit, and a fixing control unit. The receiving unit receives information concerning the measured temperature of a fluid to be cooled that is cooled by a vaporizer in a refrigerant circulation path that is equipped with the vaporizer and a condenser. The opening degree control unit variably controls the opening degree of a valve that controls the flow rate of the refrigerant that circulates through the circulation path in accordance with the difference between the measured temperature and a target temperature provided in advance. The fixing control unit fixes the opening degree of the valve with priority over variable control performed by the opening degree control unit in the case where a fixing condition based on the difference between the measured temperature and the target temperature and a valve opening degree variation condition is satisfied.
Owner:NEC CORP

Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device

To provide a novel heterocyclic compound that can be used as a host material in which a light-emitting substance of a light-emitting layer is dispersed. A heterocyclic compound comprising a dibenzo[f,h]quinoxaline ring and two hole-transport skeletons, where the dibenzo[f,h]quinoxaline ring and the two hole-transport skeletons are bonded to an aromatic hydrocarbon group. A heterocyclic compound represented by the following general formula (G1) is provided.Note that in the formula, A1 and A2 each independently represent any of a substituted or unsubstituted carbazole skeleton, a substituted or unsubstituted dibenzofuran skeleton, and a substituted or unsubstituted dibenzothiophen skeleton; B represents a substituted or unsubstituted dibenzo[f,h]quinoxaline skeleton; and Ar represents an arene skeleton having 6 to 13 carbon atoms. A light-emitting element including the heterocyclic compound is provided.
Owner:SEMICON ENERGY LAB CO LTD

Display device and driving method therefor

When a display mode is a high-resolution mode, image display is performed by time division driving. When the display mode is a low-resolution mode, image display is performed by defining j pixel circuits arranged continuously in a direction in which scanning signal lines extend as one group, bringing only one organic EL element into a light-emitting state in each of the pixel circuits in a frame period, and bringing organic EL elements having respective light emission colors different from one another into a light-emitting state in the j pixel circuits included in each group in the frame period. Pixel circuits in a display unit are configured such that the intervals of organic EL elements which go into a light-emitting state in the frame period when in the low-resolution mode are equalized regarding a direction in which the scanning signal lines extend.
Owner:SHARP KK

Electrophotographic image forming apparatus

An electrophotographic image forming apparatus, including: an electrophotographic photosensitive member; a developer carrying member configured to carry developer to develop a latent image on the photosensitive member in contact with the photosensitive member; and a developer feed member configured to feed the developer to the carrying member in contact with the carrying member, wherein the photosensitive member and the carrying member are separated from each other during non-image formation and brought into contact with each other after the photosensitive member and the carrying member start to be rotated, and wherein, during a time period between a time when the photosensitive member and the carrying member start to be rotated and a time when the photosensitive member and the carrying member are brought into contact with each other, a number of revolutions of the feed member is larger than a number of revolutions of the carrying member.
Owner:CANON KK

Fixing device and image forming device

A fixing device including: a heating rotating body; a pressure member pressed against the heating rotating body to form a nip; a first acquisition unit that acquires a first index value indicating a change in coefficient of friction between the heating rotating body and the pressure member; a second acquisition unit that acquires a second index value indicating a change in rigidity of an elastic layer in the heating rotating body and / or the pressure member; and a controller that executes at least one of two controls according to the index values: a first control during idling rotation after fixing job execution, for controlling temperature of the heating rotating body and time from a start of the idling rotation to an end of the idling rotation and a second control during idling rotation before and / or after fixing job execution, for controlling rotation speed of the heating rotating body.
Owner:KONICA MINOLTA INC

Control method of mass spectrometer and spectrometer

A method of controlling a mass spectrometer comprises the steps of: supplying a current to a cathode electrode of an ion source having the cathode electrode and an anode electrode, and ionizing a molecules of a gas to be measured; selecting ions generated in the ion source by mass-to-charge ratio; and detecting an ion current value of the selected ions. When a partial pressure of the gas to be measured is measured based on a detection result of the ion current value, a cathode current is supplied to the cathode electrode such that an emission current flowing between the cathode electrode and the anode electrode becomes constant. When a partial pressure of the gas to be measured is not measured, a constant current having a current value less than that of the cathode current is supplied to the cathode electrode.
Owner:ULVAC INC

Gas absorber for lithium ion battery

A lithium ion battery comprises a positive electrode terminal and a negative electrode terminal, a battery case, and an electrode body housed inside the battery case. The electrode body has a positive electrode current collector and a positive-electrode electrode plate and a negative electrode current collector and a negative-electrode electrode plate, and has a structure in which the positive-electrode electrode plate and the negative-electrode electrode plate are laminated via a separator. A carbon-based porous material in a battery case has a methane gas absorption capacity and preferably has a carbon dioxide gas absorption capacity and has a pore volume of 0.3 mL / g or less, for pores having a pore size of 4.5 Å or more. Such a gas absorber for a lithium ion battery generates no gas from reaction with an electrolytic solution of the lithium ion battery and can suitably absorb methane gas generated at the time of abnormality.
Owner:KURITA WATER INDUSTRIES LTD

Electrophotographic image forming apparatus

An electrophotographic image forming apparatus includes an electrophotographic photosensitive member configured to bear an electrostatic latent image, and a developer carrying member configured to develop the electrostatic latent image. The electrophotographic photosensitive member and the developer carrying member are separated from each other during non-image formation and brought into contact with each other after the electrophotographic photosensitive member and the developer carrying member start to be rotated. During a time period between a time when the electrophotographic photosensitive member and the developer carrying member start to be rotated and a time when the electrophotographic photosensitive member and the developer carrying member are brought into contact with each other, a number of revolutions of the developer feed member is larger than a number of revolutions of the developer carrying member.
Owner:CANON KK

Planar light source and liquid crystal display device using the same

The present invention provides that suppresses the reduction in the life of the light source and the occurrence of uneven display. The backlight unit that one example of the present invention relates to, includes a light guide plate, a linear light source disposed in the light incident side of the light guide plate, a reflective sheet disposed in the rear side of the light guide plate, and a heat spreader sheet disposed in the rear side of the reflective sheet. In this backlight unit, an edge of the heat spreader sheet is placed more inner than the light incident side surface of the light guide plate in the vicinity of an electrode portion of the linear light source. Furthermore another edge of the heat spreader sheet is substantially aligned with an corresponding side surface other than the incident side surface of the light guide plate.
Owner:MITSUBISHI ELECTRIC CORP

Surge absorber

A surge absorber in which an oxide layer excellent in chemical stability in the high temperature range and excellent in adhesion to main discharge electrodes is deposited on the main discharge electrodes. The surge absorber comprises a cylindrical ceramic body (4) on which conductive films (3) separated by a discharge gap (2) are formed, a pair of main discharge electrode members (5) opposedly disposed at both ends of the cylindrical ceramic body (4) and in contact with the conductive films (3), and a tubular ceramic body (7) in which the paired main discharge electrode members (5) are opposed, the cylindrical ceramic body (4) is contained, and a filling gas (6) is sealed. Each of the paired main discharge electrode members (5) has a projecting support (9). The opposed surfaces of the projecting supports (9) serve as main discharge surfaces (9A). Oxide films (9B) are formed on the main discharge surfaces (9A) by oxidation.
Owner:MITSUBISHI MATERIALS CORP

Garment

Provision of a garment capable of positively holding a biological information detecting device and suppressing the reduction of product lifetime to realize improvement in productivity and reduction of costs. A garment 100A includes a garment body 101 and a device housing portion 120 provided in the garment body 101 and holding a heart rate measuring device 10 having a device body 20 and electrodes 26A and 26B contacting a biological surface so as to be attached / detached, in which the device housing portion 120 holds part of the device body 20 in a state where the electrodes 26A and 26B are exposed toward the biological surface side. The device housing portion 120 houses the device body 20 in a stretched state.
Owner:SEIKO INSTR INC

Light source driving circuit, light source component provided with the light source driving circuit, and display apparatus

Provided are a light-source drive circuit substrate and a light source component which can drive a light source with sufficiently high light source characteristics even when environmental temperature Provided are a light-source drive circuit substrate and a light source component which can drive a light source with sufficiently high light source characteristics even when environmental temperaturegreatly changes, and a display apparatus which includes the light source component. A light-source drive circuit (X) according to the present embodiment includes a controller (C) configured to drive agreatly changes, and a display apparatus which includes the light source component. A light-source drive circuit (X) according to the present embodiment includes a controller (C) configured to drive a first light source (L1) and a second light source (L2) having at least one light source characteristics higher than those of the first light source (L1) when the environmental temperature is equal tofirst light source (L1) and a second light source (L2) having at least one light source characteristics higher than those of the first light source (L1) when the environmental temperature is equal toor below a reference temperature. The controller (C) includes a selector (10) which selects a first driver (D1) for driving the first light source (L1) when the environmental temperature goes above t or below a reference temperature. The controller (C) includes a selector (10) which selects a first driver (D1) for driving the first light source (L1) when the environmental temperature goes above the reference temperature, and selects a second driver (D2) for driving the second light source (L2) when the environmental temperature becomes equal to or below the reference temperature.he reference temperature, and selects a second driver (D2) for driving the second light source (L2) when the environmental temperature becomes equal to or below the reference temperature.
Owner:KYOCERA CORP

Fixing device and image forming device

A fixing device including: a heating rotating body; a pressure member pressed against the heating rotating body to form a nip; a first acquisition unit that acquires a first index value indicating a change in coefficient of friction between the heating rotating body and the pressure member; a second acquisition unit that acquires a second index value indicating a change in rigidity of an elastic layer in the heating rotating body and / or the pressure member; and a controller that executes at least one of two controls according to the index values: a first control during idling rotation after fixing job execution, for controlling temperature of the heating rotating body and time from a start of the idling rotation to an end of the idling rotation and a second control during idling rotation before and / or after fixing job execution, for controlling rotation speed of the heating rotating body.
Owner:KONICA MINOLTA INC
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