Patents by Inventor Byeong Uk Gang
Byeong Uk Gang 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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Patent number: 12051374Abstract: A display panel includes a first metal layer; a first insulating layer covering the first metal layer; a semiconductor layer disposed on the first insulating layer; a second insulating layer disposed on the first insulating layer to cover the semiconductor layer; and a second metal layer disposed on the second insulating layer, wherein the first metal layer comprises a bottom gate electrode of a driving element, wherein the second metal layer comprises a top gate electrode of the driving element connected to the bottom gate electrode through a first contact hole penetrating the second insulating layer and the first insulating layer, wherein the semiconductor layer comprises a semiconductor channel of the driving element overlapping with the top gate electrode and the bottom gate electrode.Type: GrantFiled: November 10, 2021Date of Patent: July 30, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Seong Hwan Hwang, Byeong Uk Gang, Mun Chae Yoon
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Publication number: 20240172501Abstract: A display panel in one example includes a substrate, an anode including an emission region on the substrate, a reference voltage line adjacent to the anode, and a branch line connected to the reference voltage line to apply a reference voltage from the reference voltage line to the anode via a switching element. The branch line includes a semiconductor layer, and the branch line is between the reference voltage line and the anode.Type: ApplicationFiled: January 29, 2024Publication date: May 23, 2024Applicant: LG Display Co., Ltd.Inventors: Dong Yoon LEE, Kwang Yong CHOI, Seong Hwan HWANG, Byeong Uk GANG, Hye Min PARK
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Patent number: 11925084Abstract: A display panel can include a substrate, a light-emitting element including an emission region on the substrate, a reference voltage line adjacent to the light-emitting element, and a branch line connected to the reference voltage line to apply a reference voltage to light-emitting element. The light-emitting element can emit light on the emission region in a direction of the substrate. Further, the branch line can include a semiconductor layer, and the semiconductor layer of the branch line can overlap the emission region.Type: GrantFiled: December 16, 2022Date of Patent: March 5, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Dong Yoon Lee, Kwang Yong Choi, Seong Hwan Hwang, Byeong Uk Gang, Hye Min Park
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Publication number: 20230120823Abstract: A display panel can include a substrate, a light-emitting element including an emission region on the substrate, a reference voltage line adjacent to the light-emitting element, and a branch line connected to the reference voltage line to apply a reference voltage to light-emitting element. The light-emitting element can emit light on the emission region in a direction of the substrate. Further, the branch line can include a semiconductor layer, and the semiconductor layer of the branch line can overlap the emission region.Type: ApplicationFiled: December 16, 2022Publication date: April 20, 2023Applicant: LG Display Co., Ltd.Inventors: Dong Yoon LEE, Kwang Yong CHOI, Seong Hwan HWANG, Byeong Uk GANG, Hye Min PARK
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Patent number: 11557642Abstract: The present disclosure relates to a display panel and a repair method thereof. The display panel includes a plurality of pixel circuits in which an emission region, through which light from a light-emitting element is emitted, is defined, a power line configured to apply a pixel driving voltage to the pixel circuits, a reference voltage line to which a reference voltage lower than the pixel driving voltage is applied, and a branch line connected to the reference voltage line to apply the reference voltage to one or more of the pixel circuits. At least a portion of the branch line includes a partially metalized semiconductor layer.Type: GrantFiled: December 7, 2020Date of Patent: January 17, 2023Assignee: LG DISPLAY CO., LTD.Inventors: Dong Yoon Lee, Kwang Yong Choi, Seong Hwan Hwang, Byeong Uk Gang, Hye Min Park
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Publication number: 20220148516Abstract: A display panel includes a first metal layer; a first insulating layer covering the first metal layer; a semiconductor layer disposed on the first insulating layer; a second insulating layer disposed on the first insulating layer to cover the semiconductor layer; and a second metal layer disposed on the second insulating layer, wherein the first metal layer comprises a bottom gate electrode of a driving element, wherein the second metal layer comprises a top gate electrode of the driving element connected to the bottom gate electrode through a first contact hole penetrating the second insulating layer and the first insulating layer, wherein the semiconductor layer comprises a semiconductor channel of the driving element overlapping with the top gate electrode and the bottom gate electrode.Type: ApplicationFiled: November 10, 2021Publication date: May 12, 2022Applicant: LG DISPLAY CO., LTD.Inventors: Seong Hwan HWANG, Byeong Uk GANG, Mun Chae YOON
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Publication number: 20210202659Abstract: The present disclosure relates to a display panel and a repair method thereof. The display panel includes a plurality of pixel circuits in which an emission region, through which light from a light-emitting element is emitted, is defined, a power line configured to apply a pixel driving voltage to the pixel circuits, a reference voltage line to which a reference voltage lower than the pixel driving voltage is applied, and a branch line connected to the reference voltage line to apply the reference voltage to one or more of the pixel circuits. At least a portion of the branch line includes a partially metalized semiconductor layer.Type: ApplicationFiled: December 7, 2020Publication date: July 1, 2021Applicant: LG Display Co., Ltd.Inventors: Dong Yoon LEE, Kwang Yong CHOI, Seong Hwan HWANG, Byeong Uk GANG, Hye Min PARK
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Patent number: 9007355Abstract: An OLED device is disclosed that enhances display quality by minimizing capacitance deviation between data lines of the OLED device. The capacitance deviation may be minimized by utilizing an expansion portion of a power line of the OLED device. The capacitance deviation may also by minimized by utilizing an overlap pattern that overlaps a plurality of the data lines.Type: GrantFiled: April 9, 2012Date of Patent: April 14, 2015Assignee: LG Display Co., Ltd.Inventors: Byeong Uk Gang, Seung Tae Kim, Ji Eun Lee, Hong Suk Kim
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Publication number: 20130106817Abstract: An OLED device is disclosed that enhances display quality by minimizing capacitance deviation between data lines of the OLED device. The capacitance deviation may be minimized by utilizing an expansion portion of a power line of the OLED device. The capacitance deviation may also by minimized by utilizing an overlap pattern that overlaps a plurality of the data lines.Type: ApplicationFiled: April 9, 2012Publication date: May 2, 2013Applicant: LG Display CO., Ltd.Inventors: Byeong Uk Gang, Seung Tae Kim, Ji Eun Lee, Hong Suk Kim