Patents by Inventor Jung Eun Baek
Jung Eun Baek 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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Publication number: 20240321221Abstract: A display driving apparatus includes a display panel comprising a first display area displaying a first image and a second display area being maintained in a turn-off state during a hybrid mode; a source driving circuit configured to supply a first source signal to first pixels included in the first display area and supply a second source signal to second pixels included in the second display area to sense electrical characteristics of the second pixels when the display panel operates in the hybrid mode; and a timing controller configured to transfer first image data for the first image and sensing data for sensing to the source driving circuit and compensate for second image data for a second image which is to be displayed after displaying of the first image, based on a target compensation value obtained from the electrical characteristics sensed by the source driving circuit, wherein the target compensation value is determined based on a third image displayed in a previous display mode of the hybrid mode.Type: ApplicationFiled: June 4, 2024Publication date: September 26, 2024Applicant: LX SEMICON CO., LTD.Inventors: Do Hoon LEE, Hyun Kyu JEON, Ji Won LEE, Jung Eun BAEK, Jae Chan CHO
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Patent number: 12094427Abstract: An embodiment enables natural and smooth change in the brightness of a backlight unit and is able to reduce flicker by changing a dimming value between frames through a mixed function including a plurality of functions having different characteristics.Type: GrantFiled: October 2, 2023Date of Patent: September 17, 2024Assignee: SILICON WORKS CO., LTD.Inventors: Hyun Kyu Jeon, Ji Won Lee, Jung Eun Baek, Xin Cui, Do Hoon Lee
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Patent number: 12033595Abstract: An embodiment is able to improve the pure-color brightness ratio by compensating for image data of a current pixel on the basis of a result of comparing image data of a current pixel with image data of a previous pixel.Type: GrantFiled: March 5, 2021Date of Patent: July 9, 2024Assignee: SILICON WORKS CO., LTD.Inventors: Yong Hee Kim, Jung Eun Baek, Jin Woo Park, Ji Won Lee, Do Seok Kim, Young Gi Kim
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Patent number: 12033587Abstract: A display driving apparatus includes a source driving circuit supplying a first source signal to a first display area to display a first image and supply a second source signal to a second display area to sense characteristics of a pixels of the second display area when a display panel operates in a hybrid mode, the second display area being in a turn-off state during the hybrid mode, a gate driving circuit supplying a gate pulse to first gate lines of the first display area and supply the gate pulse to target gate lines of the second display area, a timing controller transferring first image data for the first image and sensing data for sensing to the source driving circuit and compensate for second image data for a second image which is to be displayed after the first image, based on a target compensation value obtained from a sensing result.Type: GrantFiled: December 8, 2022Date of Patent: July 9, 2024Assignee: LX Semicon Co., Ltd.Inventors: Do Hoon Lee, Hyun Kyu Jeon, Ji Won Lee, Jung Eun Baek, Jae Chan Cho
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Publication number: 20240029668Abstract: An embodiment enables natural and smooth change in the brightness of a backlight unit and is able to reduce flicker by changing a dimming value between frames through a mixed function including a plurality of functions having different characteristics.Type: ApplicationFiled: October 2, 2023Publication date: January 25, 2024Applicant: SILICON WORKS CO., LTD.Inventors: Hyun Kyu JEON, Ji Won LEE, Jung Eun BAEK, Xin CUI, Do Hoon LEE
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Patent number: 11810523Abstract: An embodiment enables natural and smooth change in the brightness of a backlight unit and is able to reduce flicker by changing a dimming value between frames through a mixed function including a plurality of functions having different characteristics.Type: GrantFiled: April 20, 2021Date of Patent: November 7, 2023Assignee: SILICON WORKS CO., LTD.Inventors: Hyun Kyu Jeon, Ji Won Lee, Jung Eun Baek, Xin Cui, Do Hoon Lee
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Patent number: 11749215Abstract: A display driving device for improving the definition of an image according to one aspect of the present invention includes a brightness calculator for calculating first brightness data corresponding to a first resolution and second brightness data corresponding to a second resolution less than the first resolution using input image data, an offset calculator for calculating an offset on the basis of the first brightness data and the second brightness data, an input image converter for converting the input image data into input image data to which the calculated offset has been applied, a first data output unit for generating output image data for a first panel using the converted input image data and outputting the generated output image data, and a second data output unit for generating output brightness data for a second panel using the second brightness data and outputting the generated output brightness data.Type: GrantFiled: May 11, 2021Date of Patent: September 5, 2023Assignee: LX SEMICON CO., LTD.Inventors: Do Hoon Lee, Jung Eun Baek, Chan Yung Kim, Hyun Kyu Jeon, Ji Won Lee
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Publication number: 20230206860Abstract: A display driving apparatus includes a source driving circuit supplying a first source signal to a first display area to display a first image and supply a second source signal to a second display area to sense characteristics of a pixels of the second display area when a display panel operates in a hybrid mode, the second display area being in a turn-off state during the hybrid mode, a gate driving circuit supplying a gate pulse to first gate lines of the first display area and supply the gate pulse to target gate lines of the second display area, a timing controller transferring first image data for the first image and sensing data for sensing to the source driving circuit and compensate for second image data for a second image which is to be displayed after the first image, based on a target compensation value obtained from a sensing result.Type: ApplicationFiled: December 8, 2022Publication date: June 29, 2023Inventors: Do Hoon LEE, Hyun Kyu Jeon, Ji Won Lee, Jung Eun Baek, Jae Chan Cho
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Patent number: 11361718Abstract: An image processing device reduces power consumption of a backlight by lowering a dimming value through brightness distribution for pixels. The image data processing device includes: an image analyzing circuit configured to analyze original image data on a video image divided into a plurality of regions and calculate a representative brightness value for each region; a dimming value calculating circuit configured to calculate a dimming value for each region in order to adjust the brightness of a backlight according to the representative brightness value; a pixel analyzing circuit configured to analyze brightness distribution for a plurality of pixels in each region; a dimming control circuit configured to re-adjust the dimming value for one region according to the brightness distribution; and a dimming output circuit configured to output, to a backlight driving device, a dimming control signal for driving the backlight according to the dimming value.Type: GrantFiled: December 15, 2020Date of Patent: June 14, 2022Assignee: SILICON WORKS CO., LTD.Inventors: Ji Won Lee, Jung Eun Baek, Xin Cui, Do Hoon Lee
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Publication number: 20210358426Abstract: A display driving device for improving the definition of an image according to one aspect of the present invention includes a brightness calculator for calculating first brightness data corresponding to a first resolution and second brightness data corresponding to a second resolution less than the first resolution using input image data, an offset calculator for calculating an offset on the basis of the first brightness data and the second brightness data, an input image converter for converting the input image data into input image data to which the calculated offset has been applied, a first data output unit for generating output image data for a first panel using the converted input image data and outputting the generated output image data, and a second data output unit for generating output brightness data for a second panel using the second brightness data and outputting the generated output brightness data.Type: ApplicationFiled: May 11, 2021Publication date: November 18, 2021Inventors: Do Hoon Lee, Jung Eun Baek, Chan Yung Kim, Hyun Kyu Jeon, Ji Won Lee
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Publication number: 20210335288Abstract: An embodiment enables natural and smooth change in the brightness of a backlight unit and is able to reduce flicker by changing a dimming value between frames through a mixed function including a plurality of functions having different characteristics.Type: ApplicationFiled: April 20, 2021Publication date: October 28, 2021Inventors: Hyun Kyu JEON, Ji Won LEE, Jung Eun BAEK, Xin CUI, Do Hoon LEE
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Publication number: 20210287620Abstract: An embodiment is able to improve the pure-color brightness ratio by compensating for image data of a current pixel on the basis of a result of comparing image data of a current pixel with image data of a previous pixel.Type: ApplicationFiled: March 5, 2021Publication date: September 16, 2021Inventors: Yong Hee KIM, Jung Eun BAEK, Jin Woo PARK, Ji Won LEE, Do Seok KIM, Young Gi KIM
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Publication number: 20210193058Abstract: The present disclosure allows reducing power consumption of a backlight by lowering a dimming value through brightness distribution for pixels.Type: ApplicationFiled: December 15, 2020Publication date: June 24, 2021Inventors: Ji Won LEE, Jung Eun BAEK, Xin CUI, Do Hoon LEE
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Patent number: 9683012Abstract: The present invention relates to a method for preparing a population of antibodies to have high purity and high quality by removing antibody isoforms and impurities through the use of a cation exchange column, a hydrophobic interaction column, and an anion exchange column successively, without using a protein A column; and to a population of antibodies prepared by the above method.Type: GrantFiled: December 14, 2012Date of Patent: June 20, 2017Assignee: PRESTIGE BIOPHARMA PTE. LTD.Inventors: Ji Yong Yoon, Dong Eun Lee, Won Kyum Kim, Jeong Won Youn, Jung Eun Baek
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Publication number: 20140316115Abstract: The present invention relates to a method for preparing a population of antibodies to have high purity and high quality by removing antibody isoforms and impurities through the use of a cation exchange column, a hydrophobic interaction column, and an anion exchange column successively, without using a protein A column; and to a population of antibodies prepared by the above method.Type: ApplicationFiled: December 14, 2012Publication date: October 23, 2014Applicant: Hanwha Chemical CorporationInventors: Ji Yong Yoon, Dong Eun Lee, Won Kyum Kim, Jeong Won Youn, Jung Eun Baek