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Silicon Works Co Ltd patents


Recent patent applications related to Silicon Works Co Ltd. Silicon Works Co Ltd is listed as an Agent/Assignee. Note: Silicon Works Co Ltd may have other listings under different names/spellings. We're not affiliated with Silicon Works Co Ltd, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "S" | Silicon Works Co Ltd-related inventors


Gate driving circuit, level shifter, and display device

The present invention attenuates noise appearing at neighboring electrodes by causing a rising edge of one clock signal to be synchronized with a falling edge of another one clock signal when a clock signal for gate driving is generated.... Silicon Works Co Ltd

Lighting apparatus and driving curcuit thereof

Provided is a lighting apparatus. The lighting apparatus may provide an output voltage to lighting loads, and include: a converter configured to generate the output voltage using a driving signal; and a driving circuit configured to provide the driving signal, and spread the frequency of the driving signal by performing... Silicon Works Co Ltd

Sensing circuit of display device

Disclosed is a sensing circuit of a display device for external compensation of an OLED. The sensing circuit includes a current receiving unit configured to receive a pixel current containing a leakage current, convert the pixel current at a preset current ratio, and output the converted pixel current; a current... Silicon Works Co Ltd

Control circuit and led lighting apparatus

Disclosed is a control circuit of an LED lighting apparatus, capable of reducing total harmonic distortion (THD). The control circuit may include a THD reduction circuit configured to control a driving current on a current path corresponding to light emission of an LED group in response to a change of... Silicon Works Co Ltd

Image data processing apparatus, image data processing method, and display device

The present invention generates overdriving image data by compressing and storing image data and comparing stored previous-period image data and current-period image data. The present invention controls a data voltage upward or downward through overdriving image data, thereby improving the reaction speed of a pixel.... Silicon Works Co Ltd

Switching power supply

A switching power supply may include: an inductor connected to an input voltage terminal; a first switch configured to form a first electrical path between the inductor and an output voltage terminal; a second switch configured to form a second electrical path between the inductor and a ground voltage terminal;... Silicon Works Co Ltd

Lamp control device and control method therefor

A lamp control device may include: a lamp including an LED module having a plurality of LED channels; a converter configured to receive a voltage corresponding to a turn signal, convert the voltage into an output voltage and internal voltage, and supply the output voltage to the LED module; and... Silicon Works Co Ltd

Inverse tone mapping method

The present invention provides a technology that separates a low-contrast-ratio image into sublayer images, classifies each sublayer image into several categories in accordance with the characteristics of each sublayer image, and learns a transformation matrix representing a relationship between the low-contrast-ratio image and a high-contrast-ratio image for each category. In... Silicon Works Co Ltd

Lamp control device

Disclosed is a lamp control device. The lamp control device may include: a lamp having an LED channel; a channel resistor corresponding to the LED channel; and a controller configured to boost a channel resistor voltage applied to the channel resistor, and retain a channel current of the LED channel... Silicon Works Co Ltd

Lamp control device

A lamp control device includes a converter configured to provide an output voltage and an internal voltage; a lamp including an LED module which has a plurality of LED channels, and configured to emit light in correspondence to the output voltage of the converter; and a controller configured to operate... Silicon Works Co Ltd

Panel-driving device and touch-driving device

Provided is a technology for generating a sensor-driving waveform using a waveform generator, generating a sensor-driving signal and a sensor-driving auxiliary signal according to the sensor-driving waveform, and providing the same to a sensor electrode and adjacent electrodes.... Silicon Works Co Ltd

Gate driver and control method thereof

Provided are a gate driver and a control method thereof. The gate driver receives a power down control signal corresponding to a power down mode, controls an operation of a gate signal processor using the power down control signal which is activated in response to the power down mode, and... Silicon Works Co Ltd

Display driving device and display device including the same

A display driving device may include: a source driving channel configured to provide a source driving signal corresponding to image data; a precharge unit configured to precharge a data output line of the source driving channel by selecting one of precharge voltages; and a precharge controller configured to decide whether... Silicon Works Co Ltd

Lamp control device

A lamp control device includes a lamp including an LED module which has a plurality of LED channels; and a controller configured to detect respective feedback voltages of the plurality of LED channels, and determine, when at least any one feedback voltage among the feedback voltages is retained to be... Silicon Works Co Ltd

Display driving device

Disclosed is a display driving device. The display driving device may include: a buffer circuit including a positive output amplifier and a negative output amplifier; a switch circuit including output switches connected in series between the positive output amplifier and a first source output terminal, between the positive output amplifier... Silicon Works Co Ltd

Control circuit for lighting apparatus

Disclosed is a control circuit for a lighting apparatus using an LED as a light source. The control circuit controls a driving current of a driving circuit, using a monitoring result for a rectified voltage and a monitoring result for an output voltage of a specific LED group among a... Silicon Works Co Ltd

Display driving device

Disclosed is a display driving device including a bonding resistance measurement circuit. The display driving device may include: first and second pads bonded to a pad of a display panel through a wire and configured to provide bonding resistance; and a bonding resistance measurement circuit configured to measure the bonding... Silicon Works Co Ltd

Source driver for display apparatus

The present invention relates to a source driver for a display apparatus, which is capable of removing delay of a DAC (Digital-Analog Converter) and in which a part of gamma lines for providing gamma voltages to the DAC is designed to have a large width and a small resistance value.... Silicon Works Co Ltd

Source driver

The present invention discloses a source driver that drives a source driver. The source driver is configured in such a manner that a source driving module for driving display data and a conversion module for converting a sensing signal of a display panel into sensing data share components thereof. Thus,... Silicon Works Co Ltd

Source driver for display apparatus

The present invention discloses a source driver for a display apparatus, which drives a display panel using display data and senses a pixel signal of the display panel. The source driver may include a sensor and ADC (Analog-digital Converter) which provide the pixel sensing signal obtained by comparing a reference... Silicon Works Co Ltd

Circuit board for cof package

The present invention relates to a circuit board for COF (Chip on Film) package, which is capable of preventing an influence of coupling noise on a core block of an integrated circuit. The circuit board may include: a base film defined a core block region overlapping a predetermined location of... Silicon Works Co Ltd

Lighting apparatus

Disclosed is a lighting apparatus using an LED as a light source. The lighting apparatus may include: a first driver configured to control a flow of a first current through a low-power switching element by comparing a reference voltage and a sensing voltage, in response to light emission of an... Silicon Works Co Ltd

Output circuit of display driving device

An output circuit of a display driving device may include: a first buffer including first and third output units driven in a range of a positive output signal included in an output voltage domain corresponding to a display panel; a second buffer including second and fourth output units driven in... Silicon Works Co Ltd

Display driving circuit

Provided is a display driving circuit capable of achieving high speed and high resolution by improving an output slew rate. The display driving circuit may include: a gradation voltage generation unit including a plurality of resistor strings corresponding to a plurality of groups into which channels corresponding to display data... Silicon Works Co Ltd

Display device

Disclosed is a display device capable of assigning unique information to a plurality of source drivers and easily controlling an operation sequence and operation time. The display device may include: a timing controller configured to generate an input signal having a clock signal embedded between data signals each including a... Silicon Works Co Ltd

Lighting apparatus

Disclosed is a lighting apparatus using LEDs as a light source. The lighting apparatus may include: a dimming control unit configured to provide one of first and second control signals as a dimming control signal, the first control signal corresponding to a dimming signal inputted in response to connection of... Silicon Works Co Ltd

Lighting apparatus

Disclosed is a lighting apparatus using an LED as a light source. The lighting apparatus may connect first and second lighting units in series or parallel according to a rectified voltage, change one or more of first and second driving currents corresponding to light emissions of the first and second... Silicon Works Co Ltd

Temperature sensor circuit capable of compensating for nonlinear components and compensation temperature sensor circuit

A temperature sensor circuit and a compensation method for the temperature sensor circuit are disclosed herein. The temperature sensor circuit may provide a proportional-to-absolute temperature (PTAT) output signal with a compensation scheme. The temperature sensor circuit includes a first temperature sensor module circuit, a second temperature sensor module circuit, and... Silicon Works Co Ltd

Touch sensing apparatus

The present invention introduces a touch sensing apparatus capable of adjusting an Rx frequency band, and the touch sensing apparatus can adjust the width of the Rx frequency band of a driving signal which is applied from a driving electrode of a touch screen panel and transferred to a receiving... Silicon Works Co Ltd

Source driver integrated circuit and gamma reference voltage generator

The present embodiments relate to a source driver integrated circuit and a gamma reference voltage generator, which can improve the image quality by preventing or reducing the wavy noise phenomenon, i.e. display of a pattern of stripe-shaped transverse lines on the screen.... Silicon Works Co Ltd








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