Patents by Inventor Jeung-Hie Choi
Jeung-Hie Choi 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).
-
Patent number: 11200841Abstract: A driver of a display device is disclosed. In order to solve a signal processing error likely to occur in an analog-digital converter which processes a pixel sensing signal provided from a pixel of a display panel, the pixel sensing signal is converted, or an input range of the analog-digital converter is corrected.Type: GrantFiled: November 7, 2018Date of Patent: December 14, 2021Assignee: Silicon Works Co., Ltd.Inventors: Dong Ju Kim, Won Kim, Jeong Hoon Choi, Jung Bae Yun, Jeung Hie Choi
-
Patent number: 11127337Abstract: 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: GrantFiled: December 17, 2018Date of Patent: September 21, 2021Assignee: SILICON WORKS CO., LTD.Inventors: Min Young Jeong, Yong Jung Kwon, Ho Sung Hong, Jung Bae Yun, Jeung Hie Choi
-
Patent number: 11004370Abstract: A source driver integrated circuit of the present invention comprises: a sensing circuit for receiving a sensing signal for pixels through a sensing line connected to the pixels, converting the sensing signal so as to generate sensing data, and generating a fault signal if an abnormal signal that exceeds an input range is received from the sensing line; and a data driving circuit for receiving, from the data processing circuit, image data which is processed to be compensated according to the sensing data and a data control signal in which the fault signal is reflected, converting the image data so as to generate data voltage, and controlling supply of the data voltage to the pixels according to the data control signal.Type: GrantFiled: July 5, 2018Date of Patent: May 11, 2021Assignee: SILICON WORKS CO., LTD.Inventors: Jeong Hoon Choi, Dong Ju Kim, Su Hun Yang, Jung Bae Yun, Jeung Hie Choi
-
Patent number: 11004402Abstract: An embodiment provides a technology relating to data transmission or reception in a display panel. In the embodiment, a plurality of integrated circuits sharing a data line may transmit an indication signal through signal lines connected 1:1 to the circuits, and transmit data through the data line in response to the indication signal.Type: GrantFiled: November 29, 2018Date of Patent: May 11, 2021Assignee: SILICON WORKS CO., LTD.Inventors: Seung Hwan Ji, Min Young Jeong, Yong Jung Kwon, Jung Bae Yun, Jeung Hie Choi
-
Patent number: 10964271Abstract: Disclosed are a source driver and a display device using the same, and the display device includes the source driver that generates sensing data by performing a pre-processing operation on pixel data obtained by sensing display pixels, and a timing controller that generates correction data for correction for pixel characteristics by performing a post-processing operation on the sensing data.Type: GrantFiled: December 12, 2017Date of Patent: March 30, 2021Assignee: Silicon Works Co., Ltd.Inventors: Yong Jung Kwon, Min Young Jeong, Sang Min Lee, Jeung Hie Choi
-
Publication number: 20200312218Abstract: 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: ApplicationFiled: December 17, 2018Publication date: October 1, 2020Inventors: Min Young Jeong, Yong Jung Kwon, Ho Sung Hong, Jung Bae Yun, Jeung Hie Choi
-
Publication number: 20200312249Abstract: An embodiment provides a technology relating to data transmission or reception in a display panel. In the embodiment, a plurality of integrated circuits sharing a data line may transmit an indication signal through signal lines connected 1:1 to the circuits, and transmit data through the data line in response to the indication signal.Type: ApplicationFiled: November 29, 2018Publication date: October 1, 2020Inventors: Seung Hwan Ji, Min Young Jeong, Yong Jung Kwon, Jung Bae Yun, Jeung Hie Choi
-
Patent number: 10770026Abstract: Disclosed are a display device, and a source driver and a packet recognition method thereof. In the display device, when check information of a control data packet of transmitted transmission data is normal, a control data packet of to be restored is updated with a control data packet of a current cycle, and when the check information is abnormal, the control data packet to be restored is maintained, so that it is possible to normally drive a source signal even through there is an error or a change in the control data packet.Type: GrantFiled: December 12, 2017Date of Patent: September 8, 2020Assignee: Silicon Works Co., Ltd.Inventors: Ju Young Shin, Sang Min Lee, Su Hun Yang, Jeung Hie Choi
-
Publication number: 20200273403Abstract: A driver of a display device is disclosed. In order to solve a signal processing error likely to occur in an analog-digital converter which processes a pixel sensing signal provided from a pixel of a display panel, the pixel sensing signal is converted, or an input range of the analog-digital converter is corrected.Type: ApplicationFiled: November 7, 2018Publication date: August 27, 2020Applicant: Silicon Works Co., Ltd.Inventors: Dong Ju Kim, Won Kim, Jeong Hoon Choi, Jung Bae Yun, Jeung Hie Choi
-
Publication number: 20200184867Abstract: A source driver integrated circuit of the present invention comprises: a sensing circuit for receiving a sensing signal for pixels through a sensing line connected to the pixels, converting the sensing signal so as to generate sensing data, and generating a fault signal if an abnormal signal that exceeds an input range is received from the sensing line; and a data driving circuit for receiving, from the data processing circuit, image data which is processed to be compensated according to the sensing data and a data control signal in which the fault signal is reflected, converting the image data so as to generate data voltage, and controlling supply of the data voltage to the pixels according to the data control signal.Type: ApplicationFiled: July 5, 2018Publication date: June 11, 2020Inventors: Jeong Hoon Choi, Dong Ju Kim, Su Hun Yang, Jung Bae Yun, Jeung Hie Choi
-
Patent number: 10621910Abstract: The present invention provides a pixel sensing device for sensing characteristics of pixels arranged on a display panel, processing and converting the same into valid sensing data, and transmitting the valid sensing data to an external device.Type: GrantFiled: April 24, 2017Date of Patent: April 14, 2020Assignee: SILICON WORKS CO., LTD.Inventors: Seung Hwan Ji, Jung Bae Yun, Min Young Jeong, Jeung Hie Choi
-
Publication number: 20200111444Abstract: Disclosed are a display device, and a source driver and a packet recognition method thereof. In the display device, when check information of a control data packet of transmitted transmission data is normal, a control data packet of to be restored is updated with a control data packet of a current cycle, and when the check information is abnormal, the control data packet to be restored is maintained, so that it is possible to normally drive a source signal even through there is an error or a change in the control data packet.Type: ApplicationFiled: December 12, 2017Publication date: April 9, 2020Applicant: SILICON WORKS CO., LTD.Inventors: Ju Young SHIN, Sang Min LEE, Su Hun YANG, Jeung Hie CHOI
-
Publication number: 20190318694Abstract: Disclosed are a source driver and a display device using the same, and the display device includes the source driver that generates sensing data by performing a pre-processing operation on pixel data obtained by sensing display pixels, and a timing controller that generates correction data for correction for pixel characteristics by performing a post-processing operation on the sensing data.Type: ApplicationFiled: December 12, 2017Publication date: October 17, 2019Applicant: SILICON WORKS CO., LTD.Inventors: Yong Jung KWON, Min Young JEONG, Sang Min LEE, Jeung Hie CHOI
-
Patent number: 10431175Abstract: 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 provides a gate high voltage or gate low voltage for a display panel in response to the power down control signal.Type: GrantFiled: August 3, 2017Date of Patent: October 1, 2019Assignee: SILICON WORKS CO., LTD.Inventor: Jeung Hie Choi
-
Patent number: 10403196Abstract: Disclosed is a source driver including a sensing circuit capable of sensing whether a short occurred between a data output line and a power line. The source driver may include: an output circuit configured to output a preset voltage to a display panel in a checking mode; and a sensing circuit configured to sense whether data output lines connecting the output circuit and the display panel are shorted, using the preset voltage, and output a sensing result signal.Type: GrantFiled: June 14, 2016Date of Patent: September 3, 2019Assignee: SILICON WORKS CO., LTD.Inventors: Ju Young Shin, Jung Bae Yun, Yong Jung Kwon, Jeung Hie Choi
-
Publication number: 20190156738Abstract: The present invention provides a pixel sensing device for sensing characteristics of pixels arranged on a display panel, processing and converting the same into valid sensing data, and transmitting the valid sensing data to an external device.Type: ApplicationFiled: April 24, 2017Publication date: May 23, 2019Inventors: Seung Hwan Ji, Jung Bae Yun, Min Young Jeong, Jeung Hie Choi
-
Patent number: 10089918Abstract: 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 pixel data packet and a control data packet, and provide the input signal to a source driver; and a source driver configured to receive the input signal, sense pixel information of a display panel, and enabled to transmit the pixel information to the timing controller in response to preset information contained in the control data packet, and configured to transmit the pixel information to the timing controller during an operation time corresponding to operation time information contained in the control data packet.Type: GrantFiled: August 18, 2016Date of Patent: October 2, 2018Assignee: SILICON WORKS CO., LTD.Inventors: Yong Jung Kwon, Jeong Bae Yun, Jeung Hie Choi
-
Patent number: 9961762Abstract: 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 a core block within an integrated circuit and having the same area as or larger area than the core block; first routing patterns formed on the base film; and a first block pattern covering the core block region. The first routing patterns may be formed outside the first block pattern at the same layer as the first block pattern.Type: GrantFiled: January 18, 2017Date of Patent: May 1, 2018Assignee: SILICON WORKS CO., LTD.Inventors: Ju Young Shin, Jung Bae Yun, Yong Jung Kwon, Jeung Hie Choi
-
Publication number: 20170330525Abstract: 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 provides a gate high voltage or gate low voltage for a display panel in response to the power down control signal.Type: ApplicationFiled: August 3, 2017Publication date: November 16, 2017Applicant: SILICON WORKS CO., LTD.Inventor: Jeung Hie CHOI
-
Publication number: 20170208679Abstract: 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 a core block within an integrated circuit and having the same area as or larger area than the core block; first routing patterns formed on the base film; and a first block pattern covering the core block region. The first routing patterns may be formed outside the first block pattern at the same layer as the first block pattern.Type: ApplicationFiled: January 18, 2017Publication date: July 20, 2017Applicant: SILICON WORKS CO., LTD.Inventors: Ju Young SHIN, Jung Bae Yun, Yong Jung Kwon, Jeung Hie Choi