Patents by Inventor Jin-Hyun Jung
Jin-Hyun Jung 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: 20250231634Abstract: A display device according to embodiments of the present disclosure may include a driving transistor for driving the light emitting device, a scan transistor electrically connected to a gate node of the driving transistor, and a first control transistor electrically connected between the scan transistor and a data line, thereby improving a touch sensitivity.Type: ApplicationFiled: November 4, 2024Publication date: July 17, 2025Inventors: Jin-Hyun JUNG, Jaeik YOO
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Patent number: 12165566Abstract: Discussed are a display panel and a display device having the same. The display panel includes a plurality of subpixels. A gate line, a data line, and a reference voltage line are further disposed on the display panel. A gate driving circuit supplies a scan signal to the gate line. A data driving circuit converts image data into a data voltage and supplies the data voltages to the data line. A timing controller controls the gate driving circuit and the data driving circuit and generates compensation data for the image data using a sensing voltage detected through the reference voltage line. The display panel includes a plurality of sensing transistors disposed around a corresponding subpixel among the plurality of subpixels to connect the data line and the reference voltage line.Type: GrantFiled: November 16, 2023Date of Patent: December 10, 2024Assignee: LG DISPLAY CO., LTD.Inventors: SunYoon Kim, Jin-Hyun Jung, Byungjae Lee, Changwoo Lee
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Patent number: 12100338Abstract: Provided is a display device including a display panel configured to display an image, a gate driving circuit connected to the display panel, a data driving circuit connected to the display panel, and a timing controller configured to control the gate driving circuit and the data driving circuit, in which the data driving circuit senses a gate signal output from the gate driving circuit, and a data output timing is controlled based on an operation of another device or a signal generated therefrom together with the sensed gate signal.Type: GrantFiled: September 27, 2022Date of Patent: September 24, 2024Assignee: LG Display Co., Ltd.Inventors: Jin Hyun Jung, Sun Yoon Kim, Chang Woo Lee, Hyun Wook Kim
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Publication number: 20240221625Abstract: A display device includes a driving transistor used for driving a light emitting element; a scanning transistor electrically connected between a first node that is a gate node of the driving transistor and a data line to which a data voltage is supplied; a storage capacitor electrically connected between a second node of the driving transistor and the first node; and a charging ratio sensing unit electrically connected to the data line through an input line, wherein the charging ratio sensing unit senses a voltage charged in the storage capacitor through the input line. Accordingly, it may efficiently improve a pixel charging ratio by a charging ratio sensing unit connected to a data line through an input line sensing a voltage charged in a storage capacitor through the input line.Type: ApplicationFiled: December 11, 2023Publication date: July 4, 2024Applicant: LG Display Co., LtdInventors: SunYoon KIM, Jin-Hyun JUNG, Byungjae LEE
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Publication number: 20240221559Abstract: Embodiments of the present disclosure relate to a display device and a driving method. A data driving circuit transmits feedback data generated on the basis of input data to a controller, and the controller generates corrected data by comparing the input data and the feedback data. It is possible to automatically detect noise, and it is possible to detect noise in real time.Type: ApplicationFiled: November 22, 2023Publication date: July 4, 2024Inventors: Byungjae LEE, Jin-Hyun JUNG, Changwoo LEE, Yumin HONG
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Publication number: 20240212574Abstract: Discussed are a display panel and a display device having the same. The display panel includes a plurality of subpixels. A gate line, a data line, and a reference voltage line are further disposed on the display panel. A gate driving circuit supplies a scan signal to the gate line. A data driving circuit converts image data into a data voltage and supplies the data voltages to the data line. A timing controller controls the gate driving circuit and the data driving circuit and generates compensation data for the image data using a sensing voltage detected through the reference voltage line. The display panel includes a plurality of sensing transistors disposed around a corresponding subpixel among the plurality of subpixels to connect the data line and the reference voltage line.Type: ApplicationFiled: November 16, 2023Publication date: June 27, 2024Applicant: LG Display Co., Ltd.Inventors: SunYoon KIM, Jin-Hyun JUNG, Byungjae LEE, Changwoo LEE
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Patent number: 11810502Abstract: An electroluminescent display apparatus including a pixel connected to a detection line; a panel driving circuit configured to off-drive a driving element included in the pixel in a detection interval; a reference voltage generating circuit configured to supply a detection reference voltage to the detection line prior to the detection interval, generate a first comparator reference voltage which is higher than the detection reference voltage in the detection interval, and generate a second comparator reference voltage which is lower than the detection reference voltage in the detection interval; a comparator configured to compare the first comparator reference voltage with a voltage of the detection line to generate a first comparison output at a first timing of the detection interval and comparing the second comparator reference voltage with the voltage of the detection line to generate a second comparison output at a second timing of the detection interval; and a logic circuit configured to determine an occType: GrantFiled: September 27, 2022Date of Patent: November 7, 2023Assignee: LG DISPLAY CO., LTD.Inventors: Chang Woo Lee, Jin Hyun Jung, Sun Yoon Kim, Hyun Wook Kim
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Patent number: 11804157Abstract: An electroluminescent display apparatus can include a display panel including the one or more subpixels connected to a data line, a gate line, and a low-level power line. The display apparatus can further include a comparator connected to the one or more subpixels through the data line and the low-level power line to compare a first input voltage from the data line with a second input voltage from the low-level power line to generate a comparison output. The first input voltage is a reference voltage, and the second input voltage is a voltage of a specific node of the one or more subpixels capable of being shifted from an initialization voltage.Type: GrantFiled: November 3, 2022Date of Patent: October 31, 2023Assignee: LG DISPLAY CO., LTD.Inventors: Sun Yoon Kim, Jin Hyun Jung, Chang Woo Lee, Hyun Wook Kim
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Publication number: 20230186805Abstract: An electroluminescent display apparatus can include a display panel including the one or more subpixels connected to a data line, a gate line, and a low-level power line. The display apparatus can further include a comparator connected to the one or more subpixels through the data line and the low-level power line to compare a first input voltage from the data line with a second input voltage from the low-level power line to generate a comparison output. The first input voltage is a reference voltage, and the second input voltage is a voltage of a specific node of the one or more subpixels capable of being shifted from an initialization voltage.Type: ApplicationFiled: November 3, 2022Publication date: June 15, 2023Applicant: LG Display Co., Ltd.Inventors: Sun Yoon KIM, Jin Hyun JUNG, Chang Woo LEE, Hyun Wook KIM
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Publication number: 20230101025Abstract: Provided is a display device including a display panel configured to display an image, a gate driving circuit connected to the display panel, a data driving circuit connected to the display panel, and a timing controller configured to control the gate driving circuit and the data driving circuit, in which the data driving circuit senses a gate signal output from the gate driving circuit, and a data output timing is controlled based on an operation of another device or a signal generated therefrom together with the sensed gate signal.Type: ApplicationFiled: September 27, 2022Publication date: March 30, 2023Inventors: Jin Hyun Jung, Sun Yoon Kim, Chang Woo Lee, Hyun Wook Kim
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Publication number: 20230095234Abstract: An electroluminescent display apparatus including a pixel connected to a detection line; a panel driving circuit configured to off-drive a driving element included in the pixel in a detection interval; a reference voltage generating circuit configured to supply a detection reference voltage to the detection line prior to the detection interval, generate a first comparator reference voltage which is higher than the detection reference voltage in the detection interval, and generate a second comparator reference voltage which is lower than the detection reference voltage in the detection interval; a comparator configured to compare the first comparator reference voltage with a voltage of the detection line to generate a first comparison output at a first timing of the detection interval and comparing the second comparator reference voltage with the voltage of the detection line to generate a second comparison output at a second timing of the detection interval; and a logic circuit configured to determine an occType: ApplicationFiled: September 27, 2022Publication date: March 30, 2023Applicant: LG Display Co., Ltd.Inventors: Chang Woo LEE, Jin Hyun JUNG, Sun Yoon KIM, Hyun Wook KIM
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Patent number: 11508267Abstract: A stretchable display device is provided. The display device includes a stretchable display panel, a flexible printed circuit board connected to the stretchable display panel, and a connecting circuit connecting the stretchable display panel and the flexible printed circuit board. The flexible printed circuit board includes a non-deformation region and a deformation region outside the non-deformation region. The flexible printed circuit board further includes a stretchable base substrate, a circuit component on the base substrate, and a compensating layer on the base substrate. The compensating layer is locally disposed in the non-deformation region and the circuit component is locally disposed in the non-deformation region.Type: GrantFiled: November 23, 2020Date of Patent: November 22, 2022Assignee: LG Display Co., Ltd.Inventors: Jin-Hyun Jung, Seok-Won Ji
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Publication number: 20210166590Abstract: A stretchable display device is provided. The display device includes a stretchable display panel, a flexible printed circuit board connected to the stretchable display panel, and a connecting circuit connecting the stretchable display panel and the flexible printed circuit board. The flexible printed circuit board includes a non-deformation region and a deformation region outside the non-deformation region. The flexible printed circuit board further includes a stretchable base substrate, a circuit component on the base substrate, and a compensating layer on the base substrate. The compensating layer is locally disposed in the non-deformation region and the circuit component is locally disposed in the non-deformation region.Type: ApplicationFiled: November 23, 2020Publication date: June 3, 2021Inventors: Jin-Hyun JUNG, Seok-Won JI
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Patent number: 10585324Abstract: Disclosed is a transparent display device including an electrochromic element. The electrochromic element includes an electrochromic layer, a counter layer, and an electrolyte layer. An image is displayed through an oxidation-reduction reaction, and the display device is in a transparent mode when a voltage is not applied. The electrochromic layer and the counter layer may further include a core material for changing a color at a high speed.Type: GrantFiled: April 10, 2018Date of Patent: March 10, 2020Assignee: LG DISPLAY CO., LTD.Inventors: Hyun Jin An, Jong Moo Kim, Jin Hyun Jung
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Patent number: 10325968Abstract: A reflective display device is disclosed, which includes first and second substrates facing each other, each of which includes a display area and a reflective area; a display element provided in the display area; and a reflective control element provided in the reflective area, controlling reflectance of externally incident light. The reflective display device may improve a contrast ratio by controlling reflectance of a reflective area when an image is displayed.Type: GrantFiled: November 1, 2016Date of Patent: June 18, 2019Assignee: LG Display Co., Ltd.Inventors: Hyun Jin An, Jong Moo Kim, Jin Hyun Jung
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Publication number: 20180231862Abstract: Disclosed is a transparent display device including an electrochromic element. The electrochromic element includes an electrochromic layer, a counter layer, and an electrolyte layer. An image is displayed through an oxidation-reduction reaction, and the display device is in a transparent mode when a voltage is not applied. The electrochromic layer and the counter layer may further include a core material for changing a color at a high speed.Type: ApplicationFiled: April 10, 2018Publication date: August 16, 2018Inventors: Hyun Jin AN, Jong Moo KIM, Jin Hyun JUNG
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Patent number: 10021794Abstract: Disclosed is a display device for realizing a transparent image. The display device includes a display panel, a source printed circuit board (PCB) on which a signal line is mounted, a control PCB on which a timing controller is mounted, and a circuit film connected to the display panel at one side of the circuit film and connected to the source PCB at another side. The source PCB and the control PCB are disposed to overlap each other.Type: GrantFiled: November 8, 2016Date of Patent: July 10, 2018Assignee: LG DISPLAY CO., LTD.Inventors: Jin-Hyun Jung, BuYeol Lee
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Patent number: 9977307Abstract: Disclosed is a transparent display device including an electrochromic element. The electrochromic element includes an electrochromic layer, a counter layer, and an electrolyte layer. An image is displayed through an oxidation-reduction reaction, and the display device is in a transparent mode when a voltage is not applied. The electrochromic layer and the counter layer may further include a core material for changing a color at a high speed.Type: GrantFiled: November 28, 2016Date of Patent: May 22, 2018Assignee: LG DISPLAY CO., LTD.Inventors: Hyun Jin An, Jong Moo Kim, Jin Hyun Jung
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Patent number: 9960186Abstract: Disclosed are a back cover and a transparent display apparatus including the same, in which a chip groove, into which a chip included in a chip-on film coupled to a transparent panel is inserted, is disposed in a rear surface. The transparent display apparatus includes a transparent panel and a back cover. The transparent panel may display an image. The back cover may be transparent, and the transparent panel may be disposed on a front of the back cover. A chip groove into which a chip included in a chip-on film coupled to the transparent panel is inserted may be disposed in a rear surface of the back cover.Type: GrantFiled: December 30, 2015Date of Patent: May 1, 2018Assignee: LG Display Co., Ltd.Inventors: Jong Moo Kim, Jin-Hyun Jung
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Publication number: 20170192334Abstract: Disclosed is a transparent display device including an electrochromic element. The electrochromic element includes an electrochromic layer, a counter layer, and an electrolyte layer. An image is displayed through an oxidation-reduction reaction, and the display device is in a transparent mode when a voltage is not applied. The electrochromic layer and the counter layer may further include a core material for changing a color at a high speed.Type: ApplicationFiled: November 28, 2016Publication date: July 6, 2017Inventors: Hyun Jin AN, Jong Moo KIM, Jin Hyun JUNG