Patents by Inventor Nack-Bong Choi
Nack-Bong 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).
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Publication number: 20230047791Abstract: The present disclosure provides a touch display device including: a plurality of emitting elements; an adhesive layer over the emitting elements; a first touch electrode and a second touch electrode over the adhesive layer and in an active area; a pad electrode over the adhesive layer and in a touch pad region; and a protection layer over the first touch electrode, the second touch electrode and the pad electrode, wherein the first and second touch electrode are insulated by an insulating layer, and the protection layer includes at least one contact hole corresponding to the pad electrode, and wherein the pad electrode includes a plurality of electrode layers, and one of the plurality of electrode layers extends from the first touch electrode or the second touch electrode.Type: ApplicationFiled: October 28, 2022Publication date: February 16, 2023Applicant: LG Display Co., Ltd.Inventors: Mi-Rae LEE, Kyoung-Mook LEE, Nack-Bong CHOI, Young-Jun JEON
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Patent number: 11513624Abstract: The present disclosure provides a touch display device including: a plurality of emitting elements; an adhesive layer over the emitting elements; a first touch electrode and a second touch electrode over the adhesive layer and in an active area; a pad electrode over the adhesive layer and in a touch pad region; and a protection layer over the first touch electrode, the second touch electrode and the pad electrode, wherein the first and second touch electrode are insulated by an insulating layer, and the protection layer includes at least one contact hole corresponding to the pad electrode, and wherein the pad electrode includes a plurality of electrode layers, and one of the plurality of electrode layers extends from the first touch electrode or the second touch electrode.Type: GrantFiled: October 28, 2020Date of Patent: November 29, 2022Assignee: LG Display Co., Ltd.Inventors: Mi-Rae Lee, Kyoung-Mook Lee, Nack-Bong Choi, Young-Jun Jeon
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Patent number: 11211585Abstract: A flexible substrate includes a first flexible thin film including a first region and a second region surrounding the first region; a second flexible thin film on the first thin film and in the first and second regions; and an intermediate blocking layer between the first and second thin films and in the first region.Type: GrantFiled: December 3, 2019Date of Patent: December 28, 2021Assignee: LG Display Co., Ltd.Inventors: Nack-Bong Choi, Byung-Su Ahn, Yoon-Dong Cho
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Patent number: 11075364Abstract: A display device comprises a display panel; a light control layer disposed on one side of the display panel through which light is transmitted, the light control layer including a plurality of light absorption patterns spaced apart from each other; and a plurality of reflection patterns disposed under the plurality of light absorption patterns and reflecting light travelling toward to the plurality of light absorption patterns.Type: GrantFiled: November 26, 2019Date of Patent: July 27, 2021Assignee: LG DISPLAY CO., LTD.Inventors: Dong-Yul Kim, Nack-Bong Choi
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Publication number: 20210149513Abstract: The present disclosure provides a touch display device including: a plurality of emitting elements; an adhesive layer over the emitting elements; a first touch electrode and a second touch electrode over the adhesive layer and in an active area; a pad electrode over the adhesive layer and in a touch pad region; and a protection layer over the first touch electrode, the second touch electrode and the pad electrode, wherein the first and second touch electrode are insulated by an insulating layer, and the protection layer includes at least one contact hole corresponding to the pad electrode, and wherein the pad electrode includes a plurality of electrode layers, and one of the plurality of electrode layers extends from the first touch electrode or the second touch electrode.Type: ApplicationFiled: October 28, 2020Publication date: May 20, 2021Applicant: LG DISPLAY CO., LTD.Inventors: Mi-Rae Lee, Kyoung-Mook Lee, Nack-Bong Choi, Young-Jun Jeon
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Patent number: 10824256Abstract: A flexible display device includes a touch electrode array including a buffer layer with a through hole in the buffer layer, a touch pad metal electrode in the through hole, a plurality of touch patterns on the buffer layer, and a flexible printed circuit contacting the touch pad electrode. Optionally, the flexible printed circuit can also contact a thin-film transistor pad on an organic light emitting array substrate laminated to the touch electrode array.Type: GrantFiled: October 24, 2016Date of Patent: November 3, 2020Assignee: LG DISPLAY CO., LTD.Inventors: Nack-Bong Choi, Mi-Seong Kim
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Patent number: 10770520Abstract: An organic light emitting display device realizes slimness, having flexibility, and effectively reducing or preventing visibility of reflected external light, which includes an organic light emitting panel, a first adhesive layer on the organic light emitting panel, a touch electrode array being in contact with the first adhesive layer, a separation layer on the touch electrode array, and a cover film on the separation layer.Type: GrantFiled: October 2, 2019Date of Patent: September 8, 2020Assignee: LG DISPLAY CO., LTD.Inventors: Jong-Kyun Lee, Nack-Bong Choi, Myung-Woo Han
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Publication number: 20200194719Abstract: A flexible substrate includes a first flexible thin film including a first region and a second region surrounding the first region; a second flexible thin film on the first thin film and in the first and second regions; and an intermediate blocking layer between the first and second thin films and in the first region.Type: ApplicationFiled: December 3, 2019Publication date: June 18, 2020Applicant: LG Display Co., Ltd.Inventors: Nack-Bong Choi, Byung-Su Ahn, Yoon-Dong Cho
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Publication number: 20200168844Abstract: A display device comprises a display panel; a light control layer disposed on one side of the display panel through which light is transmitted, the light control layer including a plurality of light absorption patterns spaced apart from each other; and a plurality of reflection patterns disposed under the plurality of light absorption patterns and reflecting light travelling toward to the plurality of light absorption patterns.Type: ApplicationFiled: November 26, 2019Publication date: May 28, 2020Applicant: LG Display Co., Ltd.Inventors: Dong-Yul KIM, Nack-Bong CHOI
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Publication number: 20200035757Abstract: An organic light emitting display device realizes slimness, having flexibility, and effectively reducing or preventing visibility of reflected external light, which includes an organic light emitting panel, a first adhesive layer on the organic light emitting panel, a touch electrode array being in contact with the first adhesive layer, a separation layer on the touch electrode array, and a cover film on the separation layer.Type: ApplicationFiled: October 2, 2019Publication date: January 30, 2020Inventors: Jong-Kyun LEE, Nack-Bong CHOI, Myung-Woo HAN
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Patent number: 10541281Abstract: Disclosed is a touch organic light-emitting display device that is capable of stably connecting metal mesh electrodes to each other using a plurality of bridges and of minimizing the occurrence of parasitic capacitance. The display device includes an organic light-emitting array including pixel openings and a bank insulation film, and a touch electrode array bonded to the organic light-emitting array. The touch electrode array includes first and second mesh electrodes arranged in first and second directions and having a multiple-lattice structure, bridges for connecting first mesh electrodes to each other, and connecting patterns for connecting second mesh electrodes to each other. The bridges do not overlap the second mesh electrodes but overlap the connecting patterns so as to intersect the same. The first and second mesh electrodes, the bridges and the connecting patterns overlap the bank insulation film.Type: GrantFiled: December 27, 2017Date of Patent: January 21, 2020Assignee: LG Display Co., Ltd.Inventors: Jong-Hyun Han, Se-Jong Yoo, Nack-Bong Choi
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Patent number: 10475861Abstract: An organic light emitting display device realizes slimness, having flexibility, and effectively reducing or preventing visibility of reflected external light, which includes an organic light emitting panel, a first adhesive layer on the organic light emitting panel, a touch electrode array being in contact with the first adhesive layer, a separation layer on the touch electrode array, and a cover film on the separation layer.Type: GrantFiled: March 12, 2018Date of Patent: November 12, 2019Assignee: LG DISPLAY CO., LTD.Inventors: Jong-Kyun Lee, Nack-Bong Choi, Myung-Woo Han
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Patent number: 10236327Abstract: Disclosed is an organic light-emitting display device that has improved color viewing angle characteristics while including a mesh pattern. The organic light-emitting display device includes an organic light-emitting array including a plurality of pixel openings, and a touch electrode array bonded to the organic light-emitting array. The touch electrode array includes a plurality of first mesh electrodes arranged in a first direction and having a lattice structure, and a plurality of second mesh electrodes arranged in a second direction and having a lattice structure. Each of the first mesh electrodes and the second mesh electrodes includes a plurality of overlapping portions that overlap the pixel openings, and a plurality of non-overlapping portions positioned between the pixel openings. At least some of the overlapping portions include brightness-increasing portions, which are formed of a material different from that of the non-overlapping portions.Type: GrantFiled: October 30, 2017Date of Patent: March 19, 2019Assignee: LG Display Co., Ltd.Inventors: Young-Jin Choe, Nack-Bong Choi, Se-Jong Yoo, Jong-Hyun Han
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Publication number: 20180204886Abstract: An organic light emitting display device realizes slimness, having flexibility, and effectively reducing or preventing visibility of reflected external light, which includes an organic light emitting panel, a first adhesive layer on the organic light emitting panel, a touch electrode array being in contact with the first adhesive layer, a separation layer on the touch electrode array, and a cover film on the separation layer.Type: ApplicationFiled: March 12, 2018Publication date: July 19, 2018Inventors: Jong-Kyun LEE, Nack-Bong CHOI, Myung-Woo HAN
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Publication number: 20180190723Abstract: Disclosed is a touch organic light-emitting display device that is capable of stably connecting metal mesh electrodes to each other using a plurality of bridges and of minimizing the occurrence of parasitic capacitance. The display device includes an organic light-emitting array including pixel openings and a bank insulation film, and a touch electrode array bonded to the organic light-emitting array. The touch electrode array includes first and second mesh electrodes arranged in first and second directions and having a multiple-lattice structure, bridges for connecting first mesh electrodes to each other, and connecting patterns for connecting second mesh electrodes to each other. The bridges do not overlap the second mesh electrodes but overlap the connecting patterns so as to intersect the same. The first and second mesh electrodes, the bridges and the connecting patterns overlap the bank insulation film.Type: ApplicationFiled: December 27, 2017Publication date: July 5, 2018Inventors: Jong-Hyun HAN, Se-Jong YOO, Nack-Bong CHOI
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Publication number: 20180122867Abstract: Disclosed is an organic light-emitting display device that has improved color viewing angle characteristics while including a mesh pattern. The organic light-emitting display device includes an organic light-emitting array including a plurality of pixel openings, and a touch electrode array bonded to the organic light-emitting array. The touch electrode array includes a plurality of first mesh electrodes arranged in a first direction and having a lattice structure, and a plurality of second mesh electrodes arranged in a second direction and having a lattice structure. Each of the first mesh electrodes and the second mesh electrodes includes a plurality of overlapping portions that overlap the pixel openings, and a plurality of non-overlapping portions positioned between the pixel openings. At least some of the overlapping portions include brightness-increasing portions, which are formed of a material different from that of the non-overlapping portions.Type: ApplicationFiled: October 30, 2017Publication date: May 3, 2018Inventors: Young-Jin CHOE, Nack-Bong CHOI, Se-Jong YOO, Jong-Hyun HAN
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Patent number: 9947727Abstract: An organic light emitting display device realizes slimness, having flexibility, and effectively reducing or preventing visibility of reflected external light, which includes an organic light emitting panel, a first adhesive layer on the organic light emitting panel, a touch electrode array being in contact with the first adhesive layer, a separation layer on the touch electrode array, and a cover film on the separation layer.Type: GrantFiled: September 6, 2016Date of Patent: April 17, 2018Assignee: LG DISPLAY CO., LTD.Inventors: Jong-Kyun Lee, Nack-Bong Choi, Myung-Woo Han
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Patent number: 9886063Abstract: Disclosed is a flexible display device that includes a backplane substrate having an active area and a non-display area outside the display area, the active area having a plurality of pixels defined with a plurality of gate lines and a plurality of data lines, wherein the backplane substrate is defined with a folding axis with reference to which the display device is folded or bended and a folding area in which a radius of curvature remains substantially the same as a radius of curvature at the folding axis located at a center of the folding area when the display device is folded or bended; a plurality of embedded drivers on the backplane substrate in the non-display area, wherein two of the embedded drivers are spaced apart from each other outside the folding area with the folding area therebetween; and a plurality of link wires between the plurality of embedded drivers and the active area, electrically connecting the plurality of embedded drivers and one of the plurality of gate lines and the plurality of dType: GrantFiled: July 13, 2016Date of Patent: February 6, 2018Assignee: LG DISPLAY CO., LTD.Inventors: Se-Jong Yoo, Nack-Bong Choi, Seung-Hee Kuk
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Patent number: 9647245Abstract: A flexible organic electroluminescent device is disclosed which includes: a flexible substrate; a buffer layer entirely formed on the flexible substrate; a thin film transistor formed on the buffer layer and configured to include an active layer; a planarization film formed to cover the thin film transistor; an organic light emitting diode formed on the planarization film and configured to include a first electrode, an organic emission layer and a second electrode; and at least one silicon nitride layer formed above the active layer of the thin film transistor but under the planarization film and patterned into a plurality of island patterns.Type: GrantFiled: November 16, 2015Date of Patent: May 9, 2017Assignee: LG Display Co., Ltd.Inventor: Nack Bong Choi
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Publication number: 20170123543Abstract: A flexible display device includes a touch electrode array including a buffer layer with a through hole in the buffer layer, a touch pad metal electrode in the through hole, a plurality of touch patterns on the buffer layer, and a flexible printed circuit contacting the touch pad electrode. Optionally, the flexible printed circuit can also contact a thin-film transistor pad on an organic light emitting array substrate laminated to the touch electrode array.Type: ApplicationFiled: October 24, 2016Publication date: May 4, 2017Inventors: Nack-Bong CHOI, Mi-Seong KIM