Patents by Inventor Chien-Kuo Wang
Chien-Kuo Wang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8772981Abstract: A multiplexer includes: a first switch unit coupled between a first input terminal and an output terminal and including a series connection of first and second switches; a second switch unit coupled between a second input terminal and the output terminal; and a third switch unit coupled to a third input terminal and a common node between the first and second switches. Different first and second voltages, and a third voltage greater than one of the first and second voltages and less than the other one of the first and second voltage are applied respectively to the first, second and third input terminals. The multiplexer is operable between a first mode, where the first voltage is transmitted to the output terminal, and a second mode, where the second voltage is transmitted to the output terminal and the third voltage is transmitted to the common node between the first and second switches.Type: GrantFiled: December 10, 2010Date of Patent: July 8, 2014Assignee: Ili Technology CorporationInventors: Chen-Jung Chuang, Chien-Kuo Wang
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Patent number: 8743067Abstract: A touch sensing apparatus is disclosed. The touch sensing apparatus includes a logic control module, at least one storage control module, and at least one decoding control module. The logic control module is used to generate a plurality of control signals having different control timings. The plurality of control signals includes a storage control signal and a decoding control signal. Each storage control module includes a plurality of storage capacitors, and respectively stores each of sensed voltages in different storage capacitors at different times according to a storage control timing of the storage control signal. The sensed voltages are analog data sensed from scan lines of an ITO sensor. The decoding control module performs analog adding process to the sensed voltages stored in the storage capacitors according to a decoding control timing of the decoding control signal to output decoded analog data with high signal-to-noise ratio (SNR).Type: GrantFiled: December 29, 2011Date of Patent: June 3, 2014Assignee: Raydium Semiconductor CorporationInventors: Chien-Yu Chan, Chien-Kuo Wang, Shang-Ping Tang, Hung Li, Ko-Yang Tso
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Patent number: 8723257Abstract: An ESD protection device includes a substrate of a first conductivity type, a well region of a second conductivity type, a first doped region of the second conductivity type, a second doped region of the first conductivity type, a third doped region of the second conductivity type, a fourth doped region of the first conductivity type. The well region is configured in the substrate. The first doped region is configured in the well region. The second doped region is configured in the well region and surrounding the first doped region. The third doped region is configured in the well region and surrounding the first doped region and the second doped region. The fourth doped region is configured in the well region and under the first doped region and the second doped region. The fourth doped region is coupled with the first doped region and with the second doped region, respectively.Type: GrantFiled: December 15, 2008Date of Patent: May 13, 2014Assignee: United Microelectronics Corp.Inventors: Ta-Cheng Lin, Chien-Kuo Wang
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Patent number: 8644039Abstract: A voltage multiplying circuit comprising: a first capacitor, comprising a first terminal and a second terminal, wherein the first terminal of the first capacitor is selectively coupled to a first voltage or a second voltage, and the second terminal is selectively coupled to the first voltage or a fourth voltage; a second capacitor, comprising a first terminal and a second terminal, wherein the first terminal of the second capacitor is selectively coupled to the second voltage or the fourth voltage, and the second terminal of the second capacitor is selectively coupled to a third voltage or the fourth voltage; and a third capacitor, comprising a first terminal and a second terminal, wherein the first terminal of the third capacitor is selectively coupled to the second voltage or the fourth voltage, and the second terminal of the third capacitor is selectively coupled to a third voltage or the fourth voltage.Type: GrantFiled: July 9, 2010Date of Patent: February 4, 2014Assignee: ILI Technology Corp.Inventors: Chen-Jung Chuang, Chien-Kuo Wang
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Publication number: 20130301940Abstract: A method for image data compression of a to-be-encoded image block includes: determining one of a plurality of preset encoding modes as an encoding mode based upon attributes of pixels of the to-be-encoded image block; and compressing image data of the to-be-encoded image block according to the encoding mode thus determined so as to obtain encoded data.Type: ApplicationFiled: March 5, 2013Publication date: November 14, 2013Applicant: ILI TECHNOLOGY CORPORATIONInventors: Ming-Yu TSAI, Chien-Kuo WANG, Chen-Ting KUAN
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Publication number: 20130257836Abstract: A display device includes a plurality of pixel circuits arranged in a plurality of rows and columns, a plurality of scan lines, a plurality of data lines, a scan driver operable to drive the rows of the pixel circuits in sequence via the scan lines, and a data driver coupled to the columns of the pixel circuits via the data lines. The scan lines include first and second sets of scan lines alternately disposed with each other. For each of the first and second sets of the scan lines, adjacent scan lines have different circuit properties. The scan driver activates each of the scan lines for a respective activation time period according to the circuit property thereof.Type: ApplicationFiled: January 31, 2013Publication date: October 3, 2013Applicant: ILI TECHNOLOGY CORPORATIONInventors: Hung-Cheng Chen, Chien-Kuo Wang, Liang-Jung Chen
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Publication number: 20130257706Abstract: A backlight driving circuit includes a scan driver operatively associated with pixel circuits in a matrix formation, and a backlight driver. The scan driver activates the pixel circuits in a row-by-row manner within a frame interval for provision of data voltages to the pixel circuits in each row of the matrix formation, respectively. The backlight driver adjusts a duty cycle of a backlight driving signal for a backlight source such that the backlight source is deactivated when at least one of the pixel circuits is yet to be activated within the frame interval, and adjusts the duty cycle to gradually increase brightness of light output from the backlight source when all of the pixel circuits have been activated within the frame interval.Type: ApplicationFiled: October 23, 2012Publication date: October 3, 2013Applicant: ILI TECHNOLOGY CORPORATIONInventors: Ming-yu TSAI, Tai-Yuan CHEN, Chien-Kuo WANG
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Patent number: 8377829Abstract: A substrate is provided having an oxide layer, a first nitride-silicon, a STI, and a second nitride-silicon. A pattern poly-silicon layer on the second nitride-silicon layer is etched to form a deep trench opening. Etching the pattern poly-silicon layer also deepens the deep trench opening. Then, a conductive layer is filled in the deep trench opening.Type: GrantFiled: October 12, 2007Date of Patent: February 19, 2013Assignee: United Microelectronics Corp.Inventors: Ta-Chuan Yeh, Ni-Min Chung, Kao-Su Huang, Yung-Chang Lin, Ruey-Chyr Lee, Chien-Kuo Wang
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Publication number: 20130027823Abstract: An electric apparatus with ESD protection effect is provided. The electric apparatus comprises a high-side unit, a low-side unit, and a level shifter. The high-side unit comprises a first pad and a second pad. The low-side unit comprises a third pad and a fourth pad. The level shifter is connected between the first pad and the fourth pad. The level shifter comprises a first resistor, a clamp element, a second resistor, and an N-type transistor. The first resistor is connected between the first pad and a first node. The clamp element is connected between the first pad and a second node. The second resistor is connected between the first node and the second node. The N-type transistor has a source and a body connected to the fourth pad, a drain connected to the first node, and a gate connected to the low-side unit.Type: ApplicationFiled: July 16, 2012Publication date: January 31, 2013Applicant: RAYDIUM SEMICONDUCTOR CORPORATIONInventors: KUN TAI WU, CHIEN KUO WANG
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Publication number: 20120206389Abstract: A touch sensing apparatus includes a plurality of pins, a logic control module, and at least one amplifier module. The logic control module generates a plurality of control signals having different control timings, wherein the control signals include an amplifying control signal and a compensating control signal. Each amplifying module includes an amplifying unit and an automatic compensating unit. The amplifying unit includes a positive input end and a negative input end, wherein the amplifying unit determines, according to the amplifying control signal, a difference between a first sensing voltage and a second sensing voltage respectively received by the positive input end and the negative input end and amplifies the difference to output an analog data. The automatic compensating unit records, according to the compensating control signal, a digital compensation value corresponding to one of the pins and outputs the digital compensation value according to the compensating control signal.Type: ApplicationFiled: February 9, 2012Publication date: August 16, 2012Inventors: Chien-Yu Chan, Chien-Kuo Wang, Sien-Chun Liu, Hung Li, Ko-Yang Tso
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Publication number: 20120169662Abstract: A touch sensing apparatus is disclosed. The touch sensing apparatus includes a logic control module, at least one storage control module, and at least one decoding control module. The logic control module is used to generate a plurality of control signals having different control timings. The plurality of control signals includes a storage control signal and a decoding control signal. Each storage control module includes a plurality of storage capacitors, and respectively stores each of sensed voltages in different storage capacitors at different times according to a storage control timing of the storage control signal. The sensed voltages are analog data sensed from scan lines of an ITO sensor. The decoding control module performs analog adding process to the sensed voltages stored in the storage capacitors according to a decoding control timing of the decoding control signal to output decoded analog data with high signal-to-noise ratio (SNR).Type: ApplicationFiled: December 29, 2011Publication date: July 5, 2012Inventors: Chien-Yu Chan, Chien-Kuo Wang, Shang-Ping Tang, Hung Li, Ko-Yang Tso
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Publication number: 20120169641Abstract: A touch sensing apparatus includes a logic control module, a plurality of storage capacitors, at least one decoding control module, and at least one differential amplifier. The logic control module generates a plurality of control signals having different control timings, wherein the control signals comprise a decoding control signal. The decoding control module is coupled with the logic control module and the storage capacitors and decodes according to a decoding control timing of a decoding control signal and outputs a first sensing voltage and a second sensing voltage of the storage capacitors. The differential amplifier is coupled with the decoding control module and calculates a voltage variance between the first sensing voltage and the second sensing voltage to output an amplified analog data.Type: ApplicationFiled: January 4, 2012Publication date: July 5, 2012Inventors: Chien-Kuo Wang, Chien-Yu Chan
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Publication number: 20120169657Abstract: The present invention provides a touch sensing apparatus including a plurality of pins, a logic control module, and at least one driving/sensing control module. The logic control module generates a plurality of control signals having different control timings. Each driving/sensing control module is coupled with the logic control module and the pins, wherein the driving/sensing control module receives a first control signal of the control signals from the logic control module and controls the pins to execute a plurality of pin functions according to a first control timing of the first control signal, so that the pins simultaneously sense a plurality of analog data from a conductive thin film sensor.Type: ApplicationFiled: December 9, 2011Publication date: July 5, 2012Inventors: Chien-Yu Chan, Chien-Kuo Wang, Shang-Ping Tang, Ko-Yang Tso
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Publication number: 20120169661Abstract: A touch sensing apparatus is disclosed. The touch sensing apparatus includes a logic control module, at least one storage control module, and at least one decoding control module. The logic control module is used to generate a plurality of control signals having different control timings. The plurality of control signals includes a storage control signal and a decoding control signal. Each storage control module includes a plurality of storage capacitors, and respectively stores each of sensed voltages in different storage capacitors at different times according to a storage control timing of the storage control signal. The sensed voltages are analog data sensed from scan lines of an ITO sensor. The decoding control module is used to decode the sensed voltages stored in the storage capacitors according to a decoding control timing of the decoding control signal to output the decoded analog data.Type: ApplicationFiled: December 29, 2011Publication date: July 5, 2012Inventors: Chien-Yu Chan, Chien-Kuo Wang, Shang-Ping Tang, Ko-Yang Tso
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Publication number: 20110304221Abstract: A voltage multiplying circuit comprising: a first capacitor, comprising a first terminal and a second terminal, wherein the first terminal of the first capacitor is selectively coupled to a first voltage or a second voltage, and the second terminal is selectively coupled to the first voltage or a fourth voltage; a second capacitor, comprising a first terminal and a second terminal, wherein the first terminal of the second capacitor is selectively coupled to the second voltage or the fourth voltage, and the second terminal of the second capacitor is selectively coupled to a third voltage or the fourth voltage; and a third capacitor, comprising a first terminal and a second terminal, wherein the first terminal of the third capacitor is selectively coupled to the second voltage or the fourth voltage, and the second terminal of the third capacitor is selectively coupled to a third voltage or the fourth voltage.Type: ApplicationFiled: July 9, 2010Publication date: December 15, 2011Inventors: Chen-Jung Chuang, Chien-Kuo Wang
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Patent number: 7993023Abstract: A hand tool with an illuminating device includes a handle having a receiving space defined therein. A holding seat is received in the receiving space. The holding seat has a battery chamber defined therein, a shank chamber defined therein, and a plurality of bit holders formed thereon. A tool set is received in the holding seat. The tool set includes a plurality of tool bits detachably held in the bit holders and a tool shank detachably received in the shank chamber. The tool shank has a coupling portion extending therefrom and a connecting portion formed thereon for detachably connecting to any one of the tool bits. An illuminating device is received in the receiving space and electrically connected to the holding seat. The illuminating device has a coupling slot defined axially therein for engaging with the coupling portion of the tool shank.Type: GrantFiled: September 16, 2009Date of Patent: August 9, 2011Inventor: Chien-Kuo Wang
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Publication number: 20110187202Abstract: A multiplexer includes: a first switch unit coupled between a first input terminal and an output terminal and including a series connection of first and second switches ; a second switch unit coupled between a second input terminal and the output terminal; and a third switch unit coupled to a third input terminal and a common node between the first and second switches. Different first and second voltages, and a third voltage greater than one of the first and second voltages and less than the other one of the first and second voltage are applied respectively to the first, second and third input terminals. The multiplexer is operable between a first mode, where the first voltage is transmitted to the output terminal, and a second mode, where the second voltage is transmitted to the output terminal and the third voltage is transmitted to the common node between the first and second switches.Type: ApplicationFiled: December 10, 2010Publication date: August 4, 2011Applicant: ILI TECHNOLOGY CORPORATIONInventors: Chen-Jung Chuang, Chien-Kuo Wang
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Patent number: 7952844Abstract: A chip includes a core circuit, a main electrostatic discharge immunizing circuit, and a secondary electrostatic discharge immunizing circuit. The secondary electrostatic discharge immunizing circuit is disposed beneath a core power ring formed between the core circuit and the main electrostatic discharge immunizing circuit for reaching the aim of protecting the core circuit from damage by electrostatic discharges without area penalty of the chip. Both the main electrostatic discharge immunizing circuit and the secondary electrostatic discharge immunizing circuit include a power clamp and a plurality of current limiters, and keep electrostatic currents from reaching the core circuit with the aid of the power clamp.Type: GrantFiled: June 20, 2007Date of Patent: May 31, 2011Assignee: United Microelectronics Corp.Inventors: Kuey-Lung Hsueh, Chien-Kuo Wang, Yu-Ming Sun, Te-Chang Wu
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Patent number: D637467Type: GrantFiled: February 11, 2010Date of Patent: May 10, 2011Assignee: Frenway Products Inc.Inventor: Chien-Kuo Wang
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Patent number: D643275Type: GrantFiled: September 1, 2010Date of Patent: August 16, 2011Inventor: Chien-Kuo Wang