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134results about How to "Improve driving reliability" patented technology

Shift register and image display apparatus containing the same

A shift register includes a first transistor supplying an output terminal with a clock signal input to a first clock terminal and a second transistor discharging the output terminal. Defining the gate node of the first transistor as a first node, and the gate node of the second transistor as a second node, the shift register includes an inverter circuit in which the first node serves as its input node and a capacitive element serves as a load, and a buffer circuit receiving the output from the inverter circuit and outputting a signal to the second node.
Owner:TRIVALE TECH

Gate driving circuit and display apparatus having the same

A gate driving circuit includes a shift register in which the stages are connected to each other one after another. An m-th stage includes a pull-up section outputting a high voltage of a first clock signal as a gate signal in response to a voltage of a first node, a pull-down section pulling down the gate signal to an off voltage in response to the first clock signal or the second clock signal, a driving section turning on and turning off the pull-up section and a holding section maintaining a voltage of the first node at the off voltage in response to the first clock signal, and a voltage maintenance section blocking a leakage current through the pull-up driving section and the holding section during an output interval of the gate signal to delay a voltage drop of the first node.
Owner:SAMSUNG ELECTRONICS CO LTD

Gate drive circuit and method of driving the same

In a gate drive circuit including stages which are cascaded and which output gate signals each of the stages includes a first node, an output part, a first holding part and a second holding part. A voltage of the first node is converted to a high voltage in response to one of a vertical start signal and a carry signal of one of previous stages. The output part outputs a first clock signal as a gate signal through an output terminal in response to the high voltage of the first node. The first holding part applies a first low voltage to the output terminal, in response to a gate signal output from at least one of following stages. The second holding part applies a second low voltage, which is less than the first low voltage, to the first node in response to a gate signal output from at least one stage among following stages.
Owner:SAMSUNG DISPLAY CO LTD

Camera module

Disclosed herein is a camera module. The camera module includes: a lens barrel with a built-in lens collecting external images; a housing that has a receiving space in which the lens barrel is received; a driving part that is configured to include a magnet and a coil and provides a first driving force that drives the lens barrel upward and a second driving force that drives the lens barrel downward by an electromagnetic force that is generated from the magnet and the coil; a guide ball that is provided between the lens barrel and the housing and guides the motion of the lens barrel; and a position detection part that senses the position of the lens barrel, wherein the driving part drives the lens barrel upward and downward so that a preload part that provides preload returning the lens barrel to its initial position is not required.
Owner:SAMSUNG ELECTRO MECHANICS CO LTD

Gate Driving Circuit and Display Device Having the Gate Driving Circuit

A gate driving circuit includes a plurality of stages connected to each other. An m-th stage (‘m’ is a natural number) of the stages includes a pull-up part, a pull-down part, a first holding part and a second holding part. The pull-up part outputs a high voltage of a clock signal as a high voltage of an m-th gate signal in response to a high voltage applied to a first output control part. The pull-down part pulls down the high voltage of the m-th gate signal to a first low voltage in response to a high voltage of an (m+1)-th gate signal. The first holding part holds a voltage applied to the first output control part as a second low voltage having a level lower than the first low voltage. The second holding part holds a low voltage of the m-th gate signal to the first low voltage.
Owner:SAMSUNG DISPLAY CO LTD

Display panel assembly and display apparatus having the same

A display panel assembly includes a display panel, a source printed circuit board (“PCB”), a main path unit, and a sub path unit. The display panel displays an image in response to a data signal and a gate signal generated based on a driving voltage. The source PCB is disposed in a peripheral region of the display panel and mounts a driving circuit unit outputting the driving voltage. The main path unit transmits the driving voltage to the display panel, and the sub path unit transmits the driving voltage to the display panel. Therefore, drive reliability may be improved by employing a sub path unit additionally transmitting the gate driving voltage to the display panel.
Owner:SAMSUNG ELECTRONICS CO LTD

Gate driving circuit and display device having the gate driving circuit

A gate driving circuit includes a first shift register and a second shift register for driving odd gate lines. The first shift register includes a first plurality of cascade-connected stages that sequentially output a plurality of first gate signals. A first stage of the first shift register receives a first vertical start signal. The second shift register includes a second plurality of cascade-connected stages to sequentially output a plurality of second gate signals. The first stage of the second shift register receives an output signal of the first stage of the first shift register as its vertical start signal. A data charging rate may be improved by ensuring the timing margin of each gate signal, so that the driving reliability of the gate driving circuit may be improved.
Owner:SAMSUNG DISPLAY CO LTD

Method and system for reliability analysis of disk drive failures

A method and system for performing reliability analysis of disk drive failure mechanisms is provided. The information for performing the analysis is obtained in accordance with the invention from a database generated from identification information stored about individual drives, and drive families, that are deployed in the field. An error database stores error codes that are issued by a disk drive upon a particular event. These error codes are reported to a storage system administrator and recorded in the error database. The disk drive information and the error codes are mapped, and error codes are translated into failure mechanisms for a particular drive family. An analysis is performed whereby a hazard rate plot is provided for either all failure indicators or selected failure indicators or subpopulations for a particular drive family over a given time.
Owner:NETWORK APPLIANCE INC

Gate Drive Circuit, Display Device Having the Same and Method of Manufacturing the Gate Drive Circuit

A gate drive circuit includes a shift register having stages connected to each other in series. An (m)-th stage (‘m’ is a natural number) includes an output part, a discharging part, a first holding part and a second holding part. The output part outputs the first clock signal as a gate signal in response to a first clock signal provided from an external device and discharges the gate signal in response to a second input signal. The output part includes a first transistor having a first channel length. The discharging part discharges a signal of the first node to the second voltage level. The first holding part maintains a signal of the first node at a level of the gate signal, and is discharged to the second voltage level. The first holding part includes a second transistor having a second channel length that is longer than the first channel length. The second holding part maintains a signal of the first node at a level of the second voltage level.
Owner:SAMSUNG DISPLAY CO LTD

Camera module

A camera module according to an aspect of the invention may include: a housing; a fixed unit fixed to the inside of the housing; a lens barrel provided in the housing and having at least one lens; and a moving unit moved and supported by the fixed unit by a predetermined magnetic force, and moving the lens barrel along an optical axis, such that driving accuracy and reliability can be increased when performing auto focus or zoom.
Owner:SAMSUNG ELECTRO MECHANICS CO LTD

Variable speed passenger conveyor and method of operation

A control system for a passenger conveyor includes a ready-to-operate mode, a standby speed and a nominal speed. A method to operate the passenger conveyor includes the steps of: transitioning the conveyor from ready-to-operate mode to nominal speed using a frequency converter; switching from frequency converter to line power at nominal speed; switching back to frequency converter if no passengers are present and transitioning from nominal to standby speed; and transitioning from standby speed to ready-to-operate mode if a predetermined amount of time passes without a passenger entering the conveyor.
Owner:OTIS ELEVATOR CO +1

Pleated recirculation filter

The invention relates to a device for filtering contaminants, such as particulates and vapor phase contaminants, from a confined environment such as electronic or optical devices susceptible to contamination (e.g. computer disk drives) by providing an improved performance recirculation filter.
Owner:WL GORE & ASSOC INC

Gate drive circuit, display substrate having the same and method of manufacturing the display substrate

A gate drive circuit includes plural stages connected together one after each other. Each of the plural stages includes a circuit transistor, a capacitor part, a first connection part and a second connection part. The circuit transistor outputs the gate signal through a source electrode in response to a control signal applied through a gate electrode. The capacitor part includes a first electrode, a second electrode formed on the first electrode, and a third electrode formed on the second electrode. The first connection part electrically connects the gate electrode of the circuit transistor and the second electrode of the capacitor part. The second connection part electrically connects the source electrode of the circuit transistor and the first electrode of the capacitor part. Thus, an integrated size of a gate drive circuit may be decreased, and a reliability of a gate drive circuit may be enhanced.
Owner:SAMSUNG DISPLAY CO LTD

Gate driving circuit and display device having the gate driving circuit

An output part outputs a high voltage of a first clock signal as a high voltage of an (m)-th gate signal (‘m’ is a natural number) and a low voltage in response to a high signal of an (m+1)-th gate signal outputted from an (m+1)-th stage. A first maintenance part maintains a control part of the pull-up part at a low voltage in response to an (m−1)-th node signal or an (m+1)-th node signal lower than a high signal of a second clock signal having a phase opposite to the phase of the first clock signal received from an (m−1)-th stage or the (m+1)-th stage. A second maintenance part maintains the low voltage of the (m)-th gate signal in response to the (m−1)-th node signal or the (m+1)-th node signal.
Owner:SAMSUNG DISPLAY CO LTD

Organic Light Emitting Display Device and Driving Method Thereof

An organic light emitting display device includes a display panel, a data driver, and a scan driver. The display panel includes sub-pixels. The data driver supplies a data signal to the sub-pixels. The scan driver supplies a scan signal for controlling a switching transistor of each sub-pixel, and a sensing signal for controlling a sensing transistor of each sub-pixel. The sensing transistor has a turn-on time for detecting whether a short has occurred between at least two electrodes of a switching transistor in response to a sensing signal.
Owner:LG DISPLAY CO LTD

Organic light emitting device and method of fabricating the same

An organic light emitting device and a method of fabricating the same includes a first substrate; a thin film transistor (TFT) on the first substrate; a planarization layer on the TFT; an organic light emitting diode (OLED) on the planarization layer; a passivation layer on the OLED; a second substrate on the passivation; and a hydrogen capturing material between the first and the second substrates to prevent oxidation of materials forming the TFT.
Owner:LG DISPLAY CO LTD

Recirculation filter

The invention relates to an improved electrostatic filter and filter media for filtering contaminants, such as particulates and vapor phase contaminants, from a confined environment such as electronic or optical devices susceptible to contamination (e.g. computer disk drives) by providing an improved performance recirculation filter.
Owner:Z KURODA (THAILAND) CO LTD

Light controlling apparatus and method of fabricating the same

Provided are a light controlling apparatus and a method of fabricating the same. The light controlling apparatus includes: a first electrode unit and a second electrode unit facing each other; a liquid crystal unit between the first electrode unit and the second electrode unit, the liquid crystal unit including a liquid crystal; a wall having a first polymer being polymerized from a first monomer the first monomer having a higher diffusion speed than a second monomer; and a network having a second polymer being polymerized from the second monomer, the second monomer having a lower diffusion speed than the first monomer.
Owner:LG DISPLAY CO LTD

Camera module

A camera module having a housing accommodating a lens module; a lens driver, comprising a magnet mounted in the housing, configured to induce a driving force along an optical axis direction and in a direction perpendicular to the optical axis direction; and a yoke portion offset from the magnet along the optical axis direction.
Owner:SAMSUNG ELECTRO MECHANICS CO LTD

Display substrate and method of manufacturing the same

A display substrate includes a base substrate, a plurality of a gate line, a gate driving circuit, a starting pad and a first electrostatic dispersion portion. The gate lines are disposed at a display area of the base substrate and extend to the peripheral area. The gate driving circuit is disposed at a peripheral area of the base substrate, includes a plurality of a stage connected to the gate lines, and provides the gate lines with gate signals. The gate driving circuit is driven in response to a vertical starting signal applied to a first stage of the plurality of stages. The starting pad is disposed at the peripheral area and applies the vertical starting signal to the gate driving circuit. The first electrostatic dispersion portion is electrically connected to the starting pad. The first electrostatic dispersion portion disperses electrostatic applied to the gate driving circuit.
Owner:SAMSUNG DISPLAY CO LTD

Method of driving gate lines, gate line drive circuit for performing the method and display device having the gate line drive circuit

A method of driving gate lines is used to activate the gate lines by outputting output signals of stages to the gate lines. A first node is boosted up based upon a carry signal or the vertical start signal from a previous stage. A gate signal that is pulled up is outputted through an output terminal of a present stage based upon a first clock signal which is boosted up. An off-voltage is outputted through the output terminal of the present stage in response to an output signal from a next stage or the vertical start signal. The first node is discharged in response to the output signal from the next stage or a carry signal from a last stage. A positive ripple voltage at the first node is removed by providing a negative ripple voltage to the first node.
Owner:SAMSUNG DISPLAY CO LTD

Method for processing data, driving apparatus for performing the method and display apparatus having the driving apparatus

A method for processing image data, the image data including a plurality of sub color data corresponding to a plurality of unit pixels in a row direction, wherein each unit pixel includes N sub color data having different colors, wherein N is a natural number greater than or equal to 2, includes; storing one sub color datum of the plurality of the sub color data corresponding to the unit pixels via dividing the plurality of the sub color data one by one into an individual sub color datum corresponding to a single pixel, and reading the stored sub color data, binding up the stored sub color data two by two, and storing two sub color data bound up with each other.
Owner:SAMSUNG DISPLAY CO LTD

Multi-Primary Color Display Device

A multi-primary color display device includes a unit pixel part, a plurality of data lines, a plurality of pads and a plurality of connection lines. The unit pixel part is disposed on a display area and includes at least four subpixels. The data lines extend in a first direction on display area, and are electrically connected to the subpixels. The pads are arranged in a second direction perpendicular to the first direction on a peripheral area surrounding the display area, and are electrically connected to a driving chip. The connection lines connect the data lines to the pads disposed on the peripheral area. Each of the connection lines has a same line resistance.
Owner:SAMSUNG DISPLAY CO LTD
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