Patents Assigned to Silicon Works Co., Ltd.
  • Power management device to minimize power consumption
    Patent number: 11195491
    Abstract: Power consumption of a display device is reduced by controlling power supplies in driving sections and in non-driving sections to be different.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: December 7, 2021
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Jung Min Choi, Hong Kyu Choi, Seong Sik Yoon, Jung Hyun Tark
  • Schottky barrier diode
    Patent number: 11195957
    Abstract: Disclosed is a Schottky barrier diode which may be applied to an application that requires a low off current (Ioff), such as a mobile integrated circuit. The Schottky barrier diode can improve a blocking characteristic for a backward current flow while maintaining an advantage of a turn-on current, by improving the structure of a contact surface that is pinched off by depletion.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: December 7, 2021
    Assignee: Silicon Works Co., Ltd.
    Inventor: Kee Joon Choi
  • Data processing device, data driving device, and system for driving display device using two communication lines
    Patent number: 11183145
    Abstract: An embodiment relates to a technology for accelerating data communication in a display device and provides a technology for transmitting and receiving at least some information using a communication line for indicating a clock training state.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: November 23, 2021
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Do Seok Kim, Hyun Kyu Jeon, Yong Hwan Mun, Byung Guk Kim, Myung Yu Kim
  • SOURCE DRIVER
    Publication number: 20210358421
    Abstract: The present disclosure discloses a source driver capable of accurately sensing characteristics of a display panel by minimizing the influence of a floating channel. The source driver may include normal channels connected to pixels of a display panel, a floating channel under no-load; and a sampling circuit configured to sample signals of the normal channels and the floating channel. The source driver may provide a first reference voltage to the floating channel in a first period in which characteristics of the pixels are sensed.
    Type: Application
    Filed: May 11, 2021
    Publication date: November 18, 2021
    Applicant: Silicon Works Co., Ltd.
    Inventors: Won KIM, Young Bok KIM
  • Data processing device, data driving device, and system for driving display device
    Patent number: 11164493
    Abstract: The present embodiment relates to a technique for speeding up data communication in a display device and provides a technique for transmitting and receiving at least some information using a communication line indicating a clock training state and for automatically optimizing the configuration of an equalizer in a receiving device.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: November 2, 2021
    Assignee: Silicon Works Co., Ltd.
    Inventors: Do Seok Kim, Hyun Kyu Jeon, Yong Hwan Mun, Myung Yu Kim
  • MOISTUREPROOFING CHIP ON FILM PACKAGE AND METHOD OF FABRICATING THE SAME
    Publication number: 20210335684
    Abstract: The present disclosure discloses a moistureproofing chip on film (COF) package for protecting the conductive pattern of the COF package against moisture. The moistureproofing COF package includes a base film having a conductive pattern formed on one surface thereof and having a solder resist formed on the conductive pattern, and a moistureproofing coating layer formed on the solder resist by coating and configured to block moisture from being delivered to the conductive pattern through the solder resist.
    Type: Application
    Filed: April 23, 2021
    Publication date: October 28, 2021
    Applicant: Silicon Works Co., Ltd.
    Inventors: Dam HA, Kyung Hyun KIM
  • MOISTUREPROOFING CHIP ON FILM PACKAGE
    Publication number: 20210335685
    Abstract: The present disclosure discloses a moistureproofing chip on film (COF) package for protecting the conductive pattern of the COF package against moisture. The moistureproofing COF package includes a base film having a conductive pattern formed on one surface thereof and having a solder resist formed on the conductive pattern and a moistureproofing tape attached to the top of the solder resist and configured to block moisture from being delivered to the conductive pattern through the solder resist.
    Type: Application
    Filed: April 23, 2021
    Publication date: October 28, 2021
    Applicant: Silicon Works Co., Ltd.
    Inventors: Dam HA, Kyung Hyun KIM
  • SOURCE SIGNAL OUTPUT CIRCUIT AND INVERTER THEREOF
    Publication number: 20210320654
    Abstract: The present disclosure discloses a source signal output circuit and an inverter thereof. The inverter is configured to provide a multiplexer with a control signal having a full range for selecting a source signal and to output the control signal having the full range by using elements operating in a low voltage range. Therefore, the present disclosure has an advantage in that it can fabricate a driving circuit having a small area at a low process cost.
    Type: Application
    Filed: April 5, 2021
    Publication date: October 14, 2021
    Applicant: Silicon Works Co., Ltd.
    Inventors: Young Tae Kim, Young Bok Kim, Taiming Piao, Dong Hun Lee
  • DRIVING INTEGRATED CIRCUIT FOR DISPLAY
    Publication number: 20210319738
    Abstract: The present disclosure discloses a driving integrated circuit for a display which is configured using MIM capacitors. The driving integrated circuit includes a first circuit formed in a substrate corresponding to a first region of a chip, a second circuit formed in the substrate corresponding to a second region of the chip, a first MIM capacitor formed in a first layer over the substrate and having a first capacity for the first circuit, and a second MIM capacitor formed in a second layer over the substrate and having a second capacity for the second circuit.
    Type: Application
    Filed: April 6, 2021
    Publication date: October 14, 2021
    Applicant: Silicon Works Co., Ltd.
    Inventor: Hee Joo KIM
  • Display device and micro-controller unit for data communication
    Patent number: 11138917
    Abstract: The present disclosure, which relates to a data communication between a micro-controller and a source readout circuit, does not require a clock circuit of a slave, and thus, allows the size of a slave circuit and power consumption to be reduced.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: October 5, 2021
    Assignee: SILICON WORKS CO., LTD.
    Inventor: Yong Woo Choi
  • LEVEL SHIFT CIRCUIT AND SOURCE DRIVER INCLUDING THE SAME
    Publication number: 20210295757
    Abstract: The present disclosure discloses a source driver including a level shift circuit. The source driver may include a level shift circuit outputting second and third logic signals by shifting a level of a first logic signal and a multiplexer transferring a first or second source signal to a first or second pad in response to the second and third logic signals. The level shift circuit may include a first level shifter outputting first and second input signals by shifting the level of the first logic signal, a second level shifter outputting third and fourth input signals by shifting the level of the first logic signal, and an output circuit outputting the second logic signal in response to the second and fourth input signals and outputting the third logic signal in response to the first and third input signals.
    Type: Application
    Filed: March 17, 2021
    Publication date: September 23, 2021
    Applicant: Silicon Works Co., Ltd.
    Inventors: Goon Seok Oh, Hyo Joong Kim
  • TOUCH SENSING DEVICE AND METHOD THEREOF
    Publication number: 20210294478
    Abstract: A touch sensing method includes receiving touch sensitivities; grouping and labeling touch sensitivities each having at least a first reference value, among the touch sensitivities; determining validity of touch sensitivities in each group, by using a maximum touch sensitivity and surrounding touch sensitivities in each group; and skipping calculation of touch coordinates when the touch sensitivities are not valid. The determining of validity of touch sensitivities determines that touch sensitivities of a corresponding group are invalid, when at least one of surrounding touch sensitivities is equal to or less than a second reference value.
    Type: Application
    Filed: March 8, 2021
    Publication date: September 23, 2021
    Applicant: Silicon Works Co., Ltd.
    Inventor: Yeong Il Jeon
  • Data driving device for driving pixels arranged on display panel
    Patent number: 11127337
    Abstract: The present embodiment relates to a device for driving pixels arranged on a display panel, and a data driving device according to the present embodiment can transmit image data to a plurality of channel groups by including two or more mapping units for mapping the image data to a channel link or by using one data mapping unit connected to a plurality of multiplexers.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: September 21, 2021
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Min Young Jeong, Yong Jung Kwon, Ho Sung Hong, Jung Bae Yun, Jeung Hie Choi
  • Display driving device and display device including the same
    Patent number: 11127327
    Abstract: The present disclosure discloses a display driving device and a display device including the same, which are capable of restoring a communication abnormal state to a normal state when a communication abnormality occurs due to an unexpected variable during communication between a timing controller and a plurality of source drivers. The display device may include a timing controller configured to transmit a communication signal, a first source driver connected to the timing controller through a first communication link and configured to receive the communication signal, and a second source driver connected to the timing controller through a second communication link and configured to receive the communication signal.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: September 21, 2021
    Assignee: Silicon Works Co., Ltd.
    Inventors: Myung Yu Kim, Do Seok Kim, Hyun Pyo Cho, Yong Hwan Moon
  • TOUCH SENSING DEVICE AND METHOD OF DETECTING TOUCH COORDINATES THEREOF
    Publication number: 20210286498
    Abstract: Disclosed is a method of detecting touch coordinates in a touch sensing device. The method of detecting touch coordinates may include calculating touch coordinates of a touch point, determining whether the touch coordinates need to be corrected, extending a first distance between reference coordinates and the touch coordinates to a second distance when the touch coordinates need to be corrected, and correcting the touch coordinates by using a value of the second distance.
    Type: Application
    Filed: March 8, 2021
    Publication date: September 16, 2021
    Applicant: Silicon Works Co., Ltd.
    Inventor: Se Jeong Park
  • Mura correction driver
    Patent number: 11114017
    Abstract: A Mura correction driver which corrects Mura detected in a detection image obtained by photographing a display panel. The Mura correction driver uses Mura correction data including a position value of a Mura block for a display panel and coefficient values for the Mura block, and corrects display data corresponding to the position value of the Mura block, by using a Mura correction equation to which the coefficient values of the Mura block are applied.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: September 7, 2021
    Assignee: Silicon Works Co., Ltd.
    Inventors: Ki Taek Kim, Jun Young Park, Doo Hwa Jang, Seung Wan Yu, Do Yeon Kim
  • Electrostatic discharge protection circuit
    Patent number: 11114850
    Abstract: An electrostatic discharge protection circuit includes a first internal circuit formed between a first power line and a first ground line, and configured to operate in a range between a first power and a first ground; a second internal circuit formed between a second power line and a second ground line, and configured to operate in a range between a second power having a level higher than the first power and a second ground; a signal line connecting an output terminal of the first internal circuit and an input terminal of the second internal circuit; and a protection circuit configured to form a bypass path for bypassing a stress due to electrostatic discharge when the electrostatic discharge occurs, between the signal line and the second ground line, to protect a semiconductor device of the second internal circuit from the electrostatic discharge.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: September 7, 2021
    Assignee: Silicon Works Co., Ltd.
    Inventors: Jae Min Kim, Jae Hyun Lee, Yong Nam Choi
  • Controller and display device including the same
    Patent number: 11114009
    Abstract: Disclosed is a display device including a display panel having a plurality of pixels, each of the pixels including at least two subpixels, the display panel including a first display area and a second display area, the second display area being disposed to overlap an optical module, a memory configured to store shape information of the second display area including position information of a starting point, vertical length information of the second display area, and line-based direction information and width information indicating the border of the second display area, and a controller configured to change an image that is displayed in at least one of the first display area and the second display area using the shape information of the second display area and to perform control such that the changed image is displayed on the display panel.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: September 7, 2021
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Dae Hee Bae, Bo Sung Kim, Jun Hun Park, Ji Hong Yuk, Sung Woo Han, Ji Hoon Choi
  • SOURCE DRIVER AND DISPLAY DEVICE INCLUDING THE SAME
    Publication number: 20210272525
    Abstract: A source driver and a display device including the same, capable of accurately sensing pixels characteristics and characteristics of the source driver. A source driver includes a switch circuit configured to transfer first pixel signals or reference signals; first sensing channels configured to sense and hold the first pixel signals or the reference signals transferred from the switch circuit; second sensing channels configured to sense and hold second pixel signals; and a selection circuit configured to output a sampling signal by selecting the first pixel signals of the first sensing channels and the second pixel signals of the second sensing channels, and thereafter, output the sampling signal by selecting the reference signals of the first sensing channels.
    Type: Application
    Filed: February 26, 2021
    Publication date: September 2, 2021
    Applicant: Silicon Works Co., Ltd.
    Inventors: Seong Geon Kim, Young Bok Kim, Won Kim
  • Display driving device including voltage limiter for sensing voltage variation and limiting voltage level of sensing line
    Patent number: 11107384
    Abstract: A display driving device includes sensing lines configured to sense pixel signals of a display panel; and a voltage limiter provided for each of the sensing lines. The voltage limiter senses a voltage variation of the sensing line, and limits a voltage level of the sensing line to a reference voltage.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: August 31, 2021
    Assignee: Silicon Works Co., Ltd.
    Inventors: Young Bok Kim, Won Kim