Patents by Inventor Bung Goo Kim
Bung Goo Kim 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: 20250056946Abstract: An embodiment of the present specification discloses a display device including a display panel including a display area and a non-display area adjacent to the display area and a metal dam disposed in the non-display area to surround at least three surfaces of the display panel. The display panel includes a substrate, a pixel driving circuit disposed on the substrate, and a light emitting element driven by the pixel driving circuit, the metal dam may be spaced a selected distance from an edge of the display panel, the metal dam may be formed of a plurality of metal layers connected through at least one hole, and the metal dam may include a first metal dam, a second metal dam, and a third metal dam that are disposed in the non-display area while surrounding at least three surfaces of the display area.Type: ApplicationFiled: August 5, 2024Publication date: February 13, 2025Inventors: Hye Sun JUNG, Bung Goo KIM, Hyoung Ho AHN, Hee Won LEE, Jun Young JO, Sang Hak SHIN, Jae Kwang LEE, Hyoung Sun PARK, Pyung Ho CHOI, Tae Yoon KIM
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Publication number: 20250040309Abstract: A display apparatus according to an exemplary embodiment is disclosed. A display apparatus according to an exemplary embodiment includes a substrate having a bending region between an active area and a pad area. The display apparatus includes a planarization film on the active area and the pad area in the substrate. The display apparatus includes a first organic film coated on the planarization film, a second organic film coated on the first organic film, and a third organic film coated on the second organic film. The third organic film is formed such that an upper surface thereof is flattened in the active region. The display apparatus includes a plurality of light-emitting elements disposed on the third organic film.Type: ApplicationFiled: July 23, 2024Publication date: January 30, 2025Inventors: Hye Sun JUNG, Bung Goo KIM, Hyoung Ho AHN, Hee Won LEE, Jun Young JO, Sang Hak SHIN, Jae Kwang LEE, Hyoung Sun PARK, Pyung Ho CHOI, Tae Yoon KIM
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Publication number: 20250037646Abstract: A mother substrate for a display panel and a display panel using the same are disclosed. A mother substrate for a display panel includes a conductive ring disposed in a non-display area outside the display area and surrounding each of the display areas, and one or more dummy pixel driving circuits disposed in a non-display area outside the display area. An electrostatic discharge (ESD) prevention structure inside the dummy pixel driving circuit can prevent defects of display panels due to ESD occurring in the manufacturing process of the display panel.Type: ApplicationFiled: June 11, 2024Publication date: January 30, 2025Inventors: Jun Young JO, Bung Goo KIM, Hyoung Ho AHN, Hee Won LEE, Hye Sun JUNG, Sang Hak SHIN, Jae Kwang LEE, Hyoung Sun PARK, Pyung Ho CHOI, Tae Yoon KIM
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Publication number: 20250023005Abstract: An embodiment discloses a display apparatus. The display apparatus includes a plurality of first electrodes and a contact electrode disposed on a substrate. The display apparatus includes a plurality of light-emitting elements disposed on the plurality of first electrodes. The display apparatus includes a first optical layer disposed between the plurality of light-emitting elements. The display apparatus includes a second electrode disposed on the plurality of light-emitting elements. The second electrode includes a first area disposed on the plurality of light-emitting elements and a second area extending outward from the first optical layer and electrically connected to the contact electrode. A plurality of signal wires connected to the plurality of first electrodes are provided, the second area of the second electrode comprises protruding portions extending to at least one of areas between the plurality of signal wires, and one of the protruding portions is connected to the contact electrode.Type: ApplicationFiled: July 9, 2024Publication date: January 16, 2025Inventors: Jun Young JO, Jae Kwang LEE, Tae Yoon KIM, Bung Goo KIM, Hyoung Ho AHN, Hee Won LEE, Hye Sun JUNG, Pyung Ho CHOI
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Publication number: 20250023000Abstract: A mother substrate for a display panel and a display panel using the same are disclosed. The mother substrate comprises a plurality of display area including a plurality of light-emitting areas configured to receive light-emitting elements, a plurality of wirings, and a plurality of pads connected to the plurality of wirings; a conductive ring in a non-display area that surrounds the display area such that each of the display areas is surrounded by the conductive ring and electrically connected to the pads; a photoresist pattern covering the plurality of display areas and the non-display area; and a first metal layer covering the photoresist pattern. The conductive ring includes an electrostatic blocking area.Type: ApplicationFiled: May 28, 2024Publication date: January 16, 2025Inventors: Jun Young Jo, Bung Goo Kim, Hyoung Ho Ahn, Hee Won Lee, Hye Sun Jung, Sang Hak Shin, Jae Kwang Lee, Hyoung Sun Park, Pyung Ho Choi, Tae Yoon Kim
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Publication number: 20250023003Abstract: A display device includes a plurality of first electrodes and a contact electrode on a substrate; a plurality of light-emitting elements on the plurality of first electrodes; a first optical layer between the plurality of light-emitting elements; and a second electrode on the plurality of light-emitting elements, the second electrode including a first region that is on the plurality of light-emitting elements and a second region that extends past an end the first optical layer and is in contact with the contact electrode.Type: ApplicationFiled: July 3, 2024Publication date: January 16, 2025Inventors: Hye Sun Jung, Jae Kwang Lee, Tae Yoon Kim, Bung Goo Kim, Hyoung Ho Ahn, Hee Won Lee, Jun Young Jo, Pyung Ho Choi
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Publication number: 20240405177Abstract: A display apparatus may include a plurality of pixels in a display area and a pixel comprises a plurality of sub-pixels, a plurality of first electrodes that extend in a first direction and are between the sub-pixels, a connection electrode between the plurality of first electrodes and configured to transmit a voltage, and a second electrode connected to the connection electrode and configured to apply the voltage to the plurality of sub-pixels.Type: ApplicationFiled: May 23, 2024Publication date: December 5, 2024Inventors: Jun Young Jo, Bung Goo Kim, Hyoung Ho Ahn, Hee Won Lee, Hye Sun Jung, Jae Kwang Lee, Pyung Ho Choi, Tae Yoon Kim, Sang Hak Shin, Hyoung Sun Park
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Patent number: 9188822Abstract: A COG type LCD device includes a first substrate including a display area and first, second, third and fourth non-display areas, gate and data lines in the display area on the first substrate and defining pixel regions, switching thin film transistor at each crossing portion of the gate and data lines and connected to the gate and data lines, a pixel electrode in each pixel region and connected to the thin film transistor, first testing thin film transistors in the second non-display area connected to the data lines and spaced apart from each other with a constant interval therebetween, first, second and third data testing lines connected to one ends of the data lines through the first testing thin film transistors, first, second and third data testing pads connected to the first, second and third data testing lines, respectively, data link lines in the first non-display area and connected to another ends of the data lines, second testing thin film transistors in the first non-display area and connected to thType: GrantFiled: December 17, 2009Date of Patent: November 17, 2015Assignee: LG Display Co., Ltd.Inventors: Bung-Goo Kim, Ka-Kyung Kim
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Patent number: 8319904Abstract: A liquid crystal display device and its fabricating method are discussed. According to an embodiment, the liquid crystal display at least one signal line disposed in a display area and extending to a non-display area located outside the display area, a common line crossing the signal line in the non-display area, at least one static electricity preventing element connected between the common line and the signal line in the non-display area, and at least one static electricity preventing auxiliary electrode projected towards the signal line from the static electricity preventing element in the non-display area.Type: GrantFiled: August 4, 2010Date of Patent: November 27, 2012Assignee: LG Display Co., Ltd.Inventors: Seong Soo Hwang, Bung Goo Kim, Sang Ky Jeon
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Patent number: 7956945Abstract: An array substrate for a liquid crystal display device includes a substrate having a display region and a non-display region at a periphery of the display region; a gate line, a data line, a thin film transistor and a pixel electrode on the substrate and in the display region; a drive integrated circuit on the substrate and in the non-display region; first and second test pads at both sides of the drive integrated circuit, respectively; a common voltage line on the substrate and along edges of the non-display region; and first and second static electricity protecting units on the substrate and in the display region, the first static electricity protecting unit connecting the first test pad with the common voltage line, and the second static electricity protecting unit connecting the second test pad with the common voltage line.Type: GrantFiled: December 1, 2008Date of Patent: June 7, 2011Assignee: LG Display Co., Ltd.Inventor: Bung-Goo Kim
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Publication number: 20110018571Abstract: A COG type LCD device includes a first substrate including a display area and first, second, third and fourth non-display areas, gate and data lines in the display area on the first substrate and defining pixel regions, switching thin film transistor at each crossing portion of the gate and data lines and connected to the gate and data lines, a pixel electrode in each pixel region and connected to the thin film transistor, first testing thin film transistors in the second non-display area connected to the data lines and spaced apart from each other with a constant interval therebetween, first, second and third data testing lines connected to one ends of the data lines through the first testing thin film transistors, first, second and third data testing pads connected to the first, second and third data testing lines, respectively, data link lines in the first non-display area and connected to another ends of the data lines, second testing thin film transistors in the first non-display area and connected to thType: ApplicationFiled: December 17, 2009Publication date: January 27, 2011Inventors: Bung-Goo KIM, Ka-Kyung Kim
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Publication number: 20100321599Abstract: A liquid crystal display device and its fabricating method are discussed. According to an embodiment, the liquid crystal display at least one signal line disposed in a display area and extending to a non-display area located outside the display area, a common line crossing the signal line in the non-display area, at least one static electricity preventing element connected between the common line and the signal line in the non-display area, and at least one static electricity preventing auxiliary electrode projected towards the signal line from the static electricity preventing element in the non-display area.Type: ApplicationFiled: August 4, 2010Publication date: December 23, 2010Inventors: Seong Soo HWANG, Bung Goo KIM, Sang Ky JEON
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Patent number: 7796202Abstract: A liquid crystal display device and its fabricating method are discussed. According to an embodiment, the liquid crystal display at least one signal line disposed in a display area and extending to a non-display area located outside the display area, a common line crossing the signal line in the non-display area, at least one static electricity preventing element connected between the common line and the signal line in the non-display area, and at least one static electricity preventing auxiliary electrode projected towards the signal line from the static electricity preventing element in the non-display area.Type: GrantFiled: December 14, 2006Date of Patent: September 14, 2010Assignee: LG Display Co., Ltd.Inventors: Seong Soo Hwang, Bung Goo Kim, Sang Ky Jeon
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Publication number: 20090310051Abstract: An array substrate for a liquid crystal display device includes a substrate having a display region and a non-display region at a periphery of the display region; a gate line, a data line, a thin film transistor and a pixel electrode on the substrate and in the display region; a drive integrated circuit on the substrate and in the non-display region; first and second test pads at both sides of the drive integrated circuit, respectively; a common voltage line on the substrate and along edges of the non-display region; and first and second static electricity protecting units on the substrate and in the display region, the first static electricity protecting unit connecting the first test pad with the common voltage line, and the second static electricity protecting unit connecting the second test pad with the common voltage line.Type: ApplicationFiled: December 1, 2008Publication date: December 17, 2009Applicant: LG DISPLAY CO., LTD.Inventor: Bung-Goo Kim
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Patent number: 7554630Abstract: An LCD device with improved an aperture ratio and decreased parasitic capacitance has a passivation layer of an inorganic material and which includes a gate line on a first substrate; a gate insulating layer on an entire surface of the first substrate including the gate line; a data line on the gate insulating layer in perpendicular to the gate line, to define a pixel region; a thin film transistor at a crossing portion of the gate and data lines; a passivation layer on the entire surface of the first substrate including the thin film transistor; a pixel electrode on the passivation layer, for being connected with a drain electrode of the thin film transistor; and a light-shielding metal for receiving a voltage, formed between the data line and the pixel electrode, to prevent a parasitic capacitance between the data line and the pixel electrode.Type: GrantFiled: December 30, 2004Date of Patent: June 30, 2009Assignee: LG Display Co., Ltd.Inventors: Keuk Sang Kwon, Dae Lim Park, Seong Soo Hwang, Sung Gu Kang, Jong Hwae Lee, Bung Goo Kim, Jong A Choi
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Publication number: 20070273801Abstract: A liquid crystal display device and its fabricating method are discussed. According to an embodiment, the liquid crystal display at least one signal line disposed in a display area and extending to a non-display area located outside the display area, a common line crossing the signal line in the non-display area, at least one static electricity preventing element connected between the common line and the signal line in the non-display area, and at least one static electricity preventing auxiliary electrode projected towards the signal line from the static electricity preventing element in the non-display area.Type: ApplicationFiled: December 14, 2006Publication date: November 29, 2007Inventors: Seong Soo Hwang, Bung Goo Kim, Sang Ky Jeon