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80results about How to "Minimize voltage drop" patented technology
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Organic light emitting display device and method of manufacturing the same
ActiveUS20160043341A1Minimize voltage dropImprove lifetime reliabilitySolid-state devicesSemiconductor/solid-state device manufacturingDisplay deviceAuxiliary electrode
Provided is an organic light emitting display device including: a substrate; a first anode and a second anode formed on the substrate; a first auxiliary electrode formed between the first anode and the second anode; a first organic light emitting layer and a second organic light emitting layer; a first bank including an undercut formed on an upper part of a first edge of the first auxiliary electrode; a second bank including an undercut formed on an upper part of a second edge of the first auxiliary electrode; a second auxiliary electrode disposed between the undercut of the first bank and the first auxiliary electrode; a third auxiliary electrode disposed between the undercut of the second bank and the first auxiliary electrode; a first cathode electrically connected with the second auxiliary electrode; and a second cathode electrically connected with the third auxiliary electrode.
Owner:LG DISPLAY CO LTD
System and apparatus for remote activation of implantable medical devices
InactiveUS20050043594A1Minimize voltage dropElectrotherapyElectric discharge tubesMedical treatmentMedical device
An integrated activation system for an implantable medical device (IMD) sharing a power source, the activation system having a switching circuit and a sensing element coupled to the switching circuit. The switching circuit is configured to gate power from the power source to the IMD. The sensing element is configured to draw current from the power source of less than or equal to about 1 nA during inactivation, enable an operation interval of the switching circuit, and trigger a first state change in the switching circuit. The switching circuit further is configured to gate power to the IMD upon receipt of a pre-determined number of signals from the sensing element.
Owner:MEDTRONIC INC
Organic light emitting display device and method for manufacturing the same
ActiveUS20160035803A1Minimize voltage dropUniform luminanceSolid-state devicesSemiconductor/solid-state device manufacturingAuxiliary electrodeEngineering
An organic light emitting display device according to an embodiment includes a lower substrate; a bank layer disposed on the lower substrate; a connection assistance unit disposed on the bank layer; a cathode disposed on the lower substrate so as to cover the bank layer; an auxiliary electrode disposed on the bank layer and electrically connected with the cathode; and an upper substrate provided to face the lower substrate.
Owner:LG DISPLAY CO LTD
Hybrid switch for resonant power converters
ActiveUS20120057387A1Reduce conduction lossConstant voltage dropEfficient power electronics conversionAc-dc conversionResonant power convertersVoltage drop
A hybrid switch comprising two semiconductor switches connected in parallel but having different voltage drop characteristics as a function of current facilitates attainment of zero voltage switching and reduces conduction losses to complement reduction of switching losses achieved through zero voltage switching in power converters such as high-current inverters.
Owner:VIRGINIA TECH INTPROP INC
Low noise block supply and control voltage regulator
InactiveUS7207054B1Minimize voltage dropReduce heat sinkAmplifier modifications to reduce non-linear distortionGHz frequency transmissionLow noiseConverters
A low power circuit for providing power and control signals to a low noise block converter of a satellite receiver over a single coaxial cable includes a tracking switch-mode power supply. The power and control signals have a DC voltage level selected from a plurality of DC voltage levels and are modulated by an analog AC tone signal. The switch-mode power supply provides a regulated output voltage which tracks the selected DC voltage level. The regulated output voltage provides the input voltage to an adjustable linear amplifier which generates an output voltage having the selected DC voltage level modulated by the analog AC tone signal.
Owner:ALLEGRO MICROSYSTEMS INC
Stacking method of high power lithium battery
ActiveUS20100175245A1Minimize error rateMinimize voltage dropCell seperators/membranes/diaphragms/spacersFinal product manufactureEngineeringAnode
Owner:SK ON CO LTD
Organic light-emitting display device
ActiveUS20140151652A1Improve brightness uniformityMinimize voltage dropSolid-state devicesSemiconductor/solid-state device manufacturingDisplay deviceLight-emitting diode
An organic light-emitting display device includes a first electrode disposed on a substrate; a plurality of insulating layers which are sequentially disposed on the first electrode, and on which a contact hole for exposing a part of a surface of the first electrode is formed; and an organic light-emitting diode which includes a pixel electrode disposed on the plurality of insulating layers, a second electrode facing the pixel electrode and contacting the first electrode through the contact hole, and an organic emissive layer disposed between the pixel electrode and the second electrode.
Owner:SAMSUNG DISPLAY CO LTD
Level-shifting pass gate multiplexer
ActiveUS7368946B1Reduce circuit areaReduce in quantityElectronic switchingLogic circuits using elementary logic circuit componentsMultiplexingLevel shifting
The present invention incorporates level-shifting functions within a multiplexer circuit that may be implemented in IC devices having low and high voltage domains. The multiplexer circuit utilizes pseudo-differential multiplexing architectures and employs level-shifting techniques to convert low-voltage signals received from the low-voltage domain into high-voltage signals more suitable for controlling the propagation of a selected input signal through the pass gates of the multiplexer circuit. For some embodiments, some of the select signals may be decoded to generate a number of decoded select signals that can be used to control the selective routing of signals through the multiplexer.
Owner:XILINX INC
Organic light-emitting diode display device and driving method thereof
ActiveUS7724218B2Minimize voltage dropCathode-ray tube indicatorsInput/output processes for data processingReference currentScan line
An organic light-emitting diode display device and driving method thereof are provided. The organic light-emitting diode display device including a driving voltage source; a reference voltage source that generates a reference voltage; a reference current source; and a storage capacitor connected between a first node and a second node. An organic light-emitting diode device is connected between a third node and a ground voltage source. A first scanning signal is supplied to a first scan line. A second scanning signal is supplied to a second scan line, the second scanning signal having an inverse-phase against the first scanning signal.
Owner:LG DISPLAY CO LTD
Electroluminescent display device and driving method thereof
ActiveUS20190066598A1Minimize voltage dropHigh resolutionStatic indicating devicesSolid-state devicesVoltage referenceComputer science
There is provided an electroluminescence display device comprising a display panel having a display area where images are displayed and a non-display area where images are not displayed, a subpixel located in the display area, and a voltage transfer part that is located in the non-display area and transfers a reference voltage to the subpixel in response to a signal applied from outside the display panel or a signal generated on the display panel.
Owner:LG DISPLAY CO LTD
Power gate placement techniques in three-dimensional (3D) integrated circuits (ICs) (3DICs)
ActiveUS9754923B1DistancePower lossSemiconductor/solid-state device detailsSolid-state devicesVoltage sourcePower gating
Power gate placement techniques in three-dimensional (3D) integrated circuits (ICs) (3DICs) are disclosed. Exemplary aspects of the present disclosure contemplate consolidating power gating circuits or cells into a single tier within a 3DIC. Still further, the power gating circuits are consolidated in a tier closest to a voltage source. This closest tier may include a backside metal layer that allows a distance between the voltage source and the power gating circuits to be minimized. By minimizing the distance between the voltage source and the power gating circuits, power loss from routing elements therebetween is minimized. Further, by consolidating the power gating circuits in a single tier, routing distances between the power gating circuits and downstream elements may be minimized and power loss from those routing elements are minimized. Other advantages are likewise realized by placement of the power gating circuits according to exemplary aspects of the present disclosure.
Owner:QUALCOMM INC
Polar modulation transmitter with envelope modulator path switching
ActiveUS20090111397A1Minimize voltage dropImprove noiseResonant long antennasPower amplifiersControl powerEngineering
Methods and apparatus for controlling power in a polar modulation transmitter. An exemplary polar modulation transmitter includes a radio frequency power amplifier (RF PA), a phase path having circuitry operable to generate a constant amplitude phase modulated signal, and an amplitude path including an envelope modulator circuit having first and second envelope modulation paths. The RF phase modulated signal is applied to an RF input of the RF PA, while an envelope modulated power supply signal generated by a selected one of the first and second envelope modulation paths is coupled to a power supply input of the RF PA. The second envelope modulation path is selected during times when the power required by the RF PA is below some predetermined power level. During times when the RF PA requires power above the predetermined power level, the first envelope modulation path is selected.
Owner:INTEL CORP
Electroluminescent display device
ActiveUS20190164491A1Image quality issueMinimize voltage dropStatic indicating devicesSolid-state devicesComputer scienceElectroluminescent display
Disclosed is an electroluminescent display device. The electroluminescent display device includes a display area and a non-display area. And the electroluminescent display device includes a display panel including a plurality of pixel lines each including a plurality of pixel circuits.
Owner:LG DISPLAY CO LTD
Magnetic field probe apparatus and a method for measuring magnetic field
InactiveUS20070177414A1High sensitivityMinimizes impedanceMagnetic field measurement using galvano-magnetic devicesDigital storageCapacitanceElectrical conductor
A magnetic field probe apparatus includes a loop-like conductor and feeder lines spaced at a distance from the loop-like conductor. The shape of the loop-like conductor and the arrangement of the feeder lines are adjusted in such a manner that the resonance frequency determined by the combination of the inductance of the loop-like conductor line and the capacitance formed between the looped-conductor and the feeder lines, is matched to the frequency of the magnetic field generated by and in the vicinity of a measurement object (e.g. electronic device) or the frequency of the electric signal which generates the magnetic field. With the magnetic field probe apparatus according to this invention, the magnetic field in the vicinity of the measurement object can be measured with high sensitivity.
Owner:HITACHI LTD
Improvements relating to power adaptors
ActiveUS20160126860A1Without any changeTotal current dropEfficient power electronics conversionElectroluminescent light sourcesEngineeringAC power
A power adaptor is disclosed, which comprises an input for connection to an AC power supply, a resonant circuit coupled to the input that provides an output suitable for driving a load, at least one half-bridge drive circuit for providing a drive signal to the resonant circuit, and a switch controller for the half-bridge drive circuit. The switch controller is adapted to provide one or more of the following, in at least one mode: (i) to provide the high-side switch and the low-side switch with on-times of different durations, (ii) to provide the high-side switch and the low-side switch with on-times that overlap, and (iii) to provide the high-side switch and the low-side switch with on-times that are synchronous. This may be utilised to control the current delivered to the output without any need to change the frequency at which the resonant circuit is driven.
Owner:ADP CORP LTD
Organic light emitting diode display and manufacturing method thereof
ActiveUS20170200776A1Aperture ratio be reduceEasily formSolid-state devicesSemiconductor/solid-state device manufacturingAuxiliary electrodeContact hole
An organic light emitting diode display according to an exemplary embodiment of the present disclosure includes: a substrate; a first electrode disposed on the substrate; an auxiliary electrode formed at the same layer as the first electrode; a pixel defining layer having a first contact hole overlapping a part of the auxiliary electrode; an organic light emitting member disposed on the pixel defining layer and having a second contact hole enclosing the first contact hole; and a second electrode disposed on the organic light emitting member and inside the first contact hole and the second contact hole, wherein the second electrode is in contact with the auxiliary electrode through the first contact hole and the second contact hole.
Owner:SAMSUNG DISPLAY CO LTD
Thin film transistor, method of manufacturing active layers of the thin film transistor, and display device
ActiveUS20110248276A1Minimizing deteriorationMinimize voltage dropSolid-state devicesSemiconductor/solid-state device manufacturingPhysicsEngineering
A thin film transistor including a first polycrystalline semiconductor layer disposed on a substrate, a second polycrystalline semiconductor layer disposed on the first polycrystalline semiconductor layer, and metal catalysts configured to adjoin the first polycrystalline semiconductor layer and spaced apart from one another at specific intervals.
Owner:SAMSUNG DISPLAY CO LTD
Low-leakage switch for sample and hold
ActiveUS20090153198A1Minimize voltage dropMinimizing glitchElectric analogue storesElectronic switchingLow leakageEngineering
An integrated electronic device includes a sample and hold stage. The sample and hold stage has a sampling capacitor (C) for an input voltage at an input node (Vin), a first switch (S1) coupled between the input node (Vin) and the sampling capacitor (C) for connecting the input node (Vin) to the sampling capacitor (C). There is also a voltage follower with an input coupled to the sampling capacitor (C). The first switch (S1) includes a first MOS transistor (NM1) coupled between the input node (Vin) and the sampling capacitor (C). The first MOS transistor has a bulk. The sample and hold stage is adapted to selectively couple the bulk to a node having a voltage level (V3) which is equal or close to the voltage level at the input node of the voltage follower.
Owner:TEXAS INSTR INC
Drive method of light-emitting display panel and organic EL display device
InactiveUS7236148B2Improving gentle operation characteristicReduce drive powerElectroluminescent light sourcesSolid-state devicesDc dc converterControl signal
Light-emitting elements disposed on a light-emitting display panel are driven by constant currents, and the forward direction voltages of the light-emitting elements are obtained by a sampling / holding circuit. Then, the voltage output from a drive voltage source composed of a DC-DC converter is controlled by the forward direction voltages obtained by the sampling / holding circuit. For example, in a case in which the light emission luminance of the light-emitting display panel is changed or in other case, a sampling and holding operation is executed by the sampling / holding circuit in response to a control signal from a sampling timing control circuit at intervals shorter than ordinary intervals. With this arrangement, when light emission luminance of a light-emitting display panel is changed, the gentle changing characteristics of the light emission luminance thereof can be improved.
Owner:TOHOKU PIONEER CORP
Access Control Devices of the Electromagnetic Lock Module Type
ActiveUS20130127260A1Minimize voltage dropReduce clamping forceDc network circuit arrangementsBoards/switchyards circuit arrangementsCCTV - Closed circuit televisionElectromagnetic lock
An access control device including an electromagnetic lock module for selectively locking and unlocking a door in a door frame is provided. The access control device provides a lower profiled electromagnetic lock module to improve the aesthetics and functionality of the module, supports and integrates modern accessories such as CCTV, CCD cameras, passive motion detection with automatic background correction, digital notification display, automatic source voltage selection, door and lock status indicators, and ease of installation. The present invention further provides components and circuitry to enable connection of the electromagnetic control module to 12 or 24 volts DC or to an unfiltered rectified AC power supply.
Owner:HANCHETT ENTRY SYST
Organic light emitting display device and method of manufacturing the same
ActiveUS9570471B2Suppression pressure dropReduce the ratioSolid-state devicesSemiconductor/solid-state device manufacturingElectricityDisplay device
Owner:LG DISPLAY CO LTD
Broadcast data receiver apparatus and method for controlling power supply
ActiveUS7283784B2Reduce power supplyImprove efficiencyTelevision system detailsSatellite broadcast receivingLinear regulatorControl power
Broadcast data receiver apparatus is provided. The apparatus includes a broadcast data receiver (BDR) connected to at least one LNB. The BDR provides a power supply to allow operation of the LNB. At least two analogue to digital converter sampling points are provided to allow the input and output voltages to be measured at the LNB, thereby allowing the voltage drop across a linear regulator (8) of the LNB to be assessed. Control means are provided to control the power supply from the BDR to the LNB in response to the voltage measurements obtained.
Owner:ARRIS ENTERPRISES LLC
Drive method of light-emitting display panel and organic EL display device
InactiveUS7088319B2Improving slow rising-up operationReduce electric powerStatic indicating devicesSolid-state devicesDc dc converterControl signal
Light-emitting elements disposed on a light-emitting display panel are driven by constant currents, and the forward direction voltages of the light-emitting elements are obtained by a sampling / holding circuit. Then, the voltage output from a drive voltage source composed of a DC-DC converter is controlled by the forward direction voltages obtained by the sampling / holding circuit. For example, when the light-emitting display panel starts to be driven for light emission or when the light emission luminance of the light-emitting display panel that is being driven for light emission is to be increased, a control signal is sent from a light emission control circuit to a voltage forcibly changing circuit which supplies an output voltage increase command to the PWM circuit of the drive voltage source. With this arrangement, the rising-up property of the light-emitting display panel and the following property of luminance can be improved.
Owner:TOHOKU PIONEER CORP
System and apparatus for remote activation of implantable medical devices
InactiveUS7571008B2Minimize voltage dropElectrotherapyContact operating partsBiological activationMedical device
An integrated activation system for an implantable medical device (IMD) sharing a power source, the activation system having a switching circuit and a sensing element coupled to the switching circuit. The switching circuit is configured to gate power from the power source to the IMD. The sensing element is configured to draw current from the power source of less than or equal to about 1 nA during inactivation, enable an operation interval of the switching circuit, and trigger a first state change in the switching circuit. The switching circuit further is configured to gate power to the IMD upon receipt of a pre-determined number of signals from the sensing element.
Owner:MEDTRONIC INC
Connection apparatus
ActiveUS20120313687A1Minimize voltage dropLower resistanceTransistorElectronic switchingElectricityElectrical resistance and conductance
A connection apparatus for controlling the supply of electrical power to a load, the connection apparatus comprising first and second electrically controllable devices connected in parallel to each other and in series with the load; wherein the first and second electrically controllable devices are dissimilar, and where a safe operating area product of voltage, current and safe operating area time for the first device is greater than the product of voltage, current and the same safe operating area time for the second device, and an on state resistance for the second device is less than an on state resistance for the first device, and where a controller is provided to use the first device for a first period of time to power up the load, and thereafter the second device is used to maintain power to the load.
Owner:ANALOG DEVICES INC
Display device
ActiveUS20130120321A1Reduce voltage dropMinimize voltage dropStatic indicating devicesInput/output processes for data processingLight sourceDisplay device
A photosensor-equipped display device is provided having a combination of visible and non-visible light sources where a voltage drop is minimized when the non-visible light source is turned on. The display device includes: an active matrix substrate; photosensors (9) provided in a pixel region (4) of the active matrix substrate; white LEDs (3a) configured to cause an image to be displayed in the pixel region (4); infrared LEDs (3b) configured to emit light to be reflected and sensed by the photosensors; and a light source control circuit (13) configured to control on and off of the white LEDs (3a) and the infrared LEDs (3b). The light source control circuit (13) reduces an amount of drive current supplied to the white LEDs (3a) while the infrared LEDs (3b) are on to below an amount of drive current supplied to the white LEDs (3a) when the infrared LEDs (3b) are off.
Owner:SHARP KK
Iontophoretic apparatus and method for marking of the skin
InactiveUS20110137307A1Pain reliefLimited penetration depthElectrotherapyMedical devicesSkin surfaceBiomedical engineering
Embodiments provide apparatus and methods for producing markings in the skin. One embodiment provides an apparatus for marking the skin comprising a housing and reservoir for storing a skin colorant. An electrode is positioned within the housing so as to be electrically coupled to the colorant in the reservoir and is configured to be coupled to a current source and return electrode. A colorant applicator having at least one fluid pathway is coupled to a housing distal end. The applicator proximal end is positioned such that the fluid pathway is coupled with the reservoir. The applicator distal end applies colorant to the skin surface through the fluid pathway as the applicator is moved across the skin. The electrode delivers current from the current source to the skin to transport charged pigment elements of the colorant into the skin using an electromotive driving force to produce a marking in the skin.
Owner:INCUBE LABS
Display device
ActiveUS20180286937A1Voltage drop of common voltageImprove brightness uniformityStatic indicating devicesSolid-state devicesDisplay deviceVoltage drop
A display device includes: a substrate: a first electrode and a second electrode disposed on the substrate and facing each other; an emission layer disposed between the first electrode and the second electrode; a common voltage line disposed on the substrate and connected to the second electrode to transmit a common voltage; a thin film encapsulation layer covering the second electrode; auxiliary wiring disposed on the thin film encapsulation layer and connected to the common voltage line; a covering layer covering the auxiliary wiring; and a touch panel disposed on the covering layer. Thus, a voltage drop of the common voltage ELVSS may be minimized, and the luminance uniformity may be improved.
Owner:SAMSUNG DISPLAY CO LTD
Magnetic field probe apparatus and a method for measuring magnetic field
InactiveUS7595650B2High sensitivityMinimizes impedanceMagnetic field measurement using galvano-magnetic devicesDigital storageCapacitanceElectrical conductor
A magnetic field probe apparatus includes a loop-like conductor and feeder lines spaced at a distance from the loop-like conductor. The shape of the loop-like conductor and the arrangement of the feeder lines are adjusted in such a manner that the resonance frequency determined by the combination of the inductance of the loop-like conductor line and the capacitance formed between the looped-conductor and the feeder lines, is matched to the frequency of the magnetic field generated by and in the vicinity of a measurement object (e.g. electronic device) or the frequency of the electric signal which generates the magnetic field. With the magnetic field probe apparatus according to this invention, the magnetic field in the vicinity of the measurement object can be measured with high sensitivity.
Owner:HITACHI LTD
Gate driving circuit and light emitting display apparatus comprising the same
ActiveUS20210201767A1Improve charging characteristicsMinimize voltage dropStatic indicating devicesDriver circuitHemt circuits
A gate driving circuit and a light emitting display apparatus comprising the same are discussed, in which a charging characteristic of a control node is improved. The gate driving circuit comprises first to mth stage circuits, wherein each of the first to mth stage circuits includes first to third control nodes, a node control circuit controlling a voltage of each of the first to third control nodes, and an output buffer circuit outputting each of a scan signal, a sense signal and a carry signal in accordance with each of the first to third control nodes, the node control circuit including a node setup circuit charging a first gate high potential voltage in the first control node in response to a first carry signal supplied from a front stage circuit.
Owner:LG DISPLAY CO LTD
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