Patents by Inventor Woo-Jung BYUN
Woo-Jung BYUN 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: 10809559Abstract: Disclosed is a liquid crystal display device that includes: first and second substrates; a gate line and a data line on the first substrate, the gate line and the data line crossing each other to define a pixel region; a thin film transistor connected to the gate line and the data line; a color filter layer on the thin film transistor, the color filter layer including red, green and blue color filters each corresponding to the pixel region; a protrusion pattern at a boundary of the pixel region, the protrusion pattern including at least two of the red, green and blue color filters; a pixel electrode on the color filter layer; a first alignment layer on the pixel electrode; a first patterned spacer on the second substrate, the first patterned spacer contacting the first alignment layer over the protrusion pattern; and a liquid crystal layer between the first and second substrates.Type: GrantFiled: May 27, 2014Date of Patent: October 20, 2020Assignee: LG DISPLAY CO., LTD.Inventors: Woo-Jung Byun, Tae-Young Kim, Hyo-Jong Yi, Dong-In Choi
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Patent number: 10423029Abstract: A method for manufacturing a display device can include forming a thin-film transistor (TFT) array substrate including data lines, gate lines, TFTs at intersections of the data lines and the gate lines, common electrodes, common lines disposed parallel to the gate lines, and connected to the common electrodes, a protective layer on the gates lines, the common lines and the data lines, and a first protrusion protruding from the protective layer; and forming a color filter array substrate including first, second and third color filter layers corresponding to first, second and third sub-pixels, respectively, in which portions of the first, second and third color filer layers overlap each other in an area between two adjacent rows of sub-pixels to form a second protrusion, and the second protrusion overlaps with both one common line among the plurality of common lines and one gate line among the gate lines that is adjacent to the one common line, and the area between the two adjacent rows of sub-pixels is configuType: GrantFiled: August 29, 2018Date of Patent: September 24, 2019Assignee: LG DISPLAY CO., LTD.Inventor: Woo-Jung Byun
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Publication number: 20180373089Abstract: A method for manufacturing a display device can include forming a thin-film transistor (TFT) array substrate including data lines, gate lines, TFTs at intersections of the data lines and the gate lines, common electrodes, common lines disposed parallel to the gate lines, and connected to the common electrodes, a protective layer on the gates lines, the common lines and the data lines, and a first protrusion protruding from the protective layer; and forming a color filter array substrate including first, second and third color filter layers corresponding to first, second and third sub-pixels, respectively, in which portions of the first, second and third color filer layers overlap each other in an area between two adjacent rows of sub-pixels to form a second protrusion, and the second protrusion overlaps with both one common line among the plurality of common lines and one gate line among the gate lines that is adjacent to the one common line, and the area between the two adjacent rows of sub-pixels is configuType: ApplicationFiled: August 29, 2018Publication date: December 27, 2018Applicant: LG Display Co., Ltd.Inventor: Woo-Jung BYUN
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Patent number: 10126588Abstract: A display device can include a thin-film transistor (TFT) array substrate having data lines, gate lines, TFTs formed at intersections of the data and gate lines, a protective layer disposed on the gates lines and the data lines, and a first protrusion protruding from the protective layer. Also, the display device can include a color filter array substrate having first, second and third color filter layers corresponding to first, second and third sub-pixels, respectively, in which overlapping portions among the first, second and third color filer layers include at least two of the first, second and third color filer layers overlapping with each other, and a section of the overlapping portions among the first, second and third color filer layers of the color filter array substrate forms a second protrusion, and the second protrusion overlaps with the first protrusion protruding from the protective layer of the TFT array substrate.Type: GrantFiled: September 30, 2016Date of Patent: November 13, 2018Assignee: LG DISPLAY CO., LTD.Inventor: Woo-Jung Byun
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Patent number: 9977280Abstract: Disclosed is a color filter on transistor (COT) type liquid crystal display device that may include red, green, blue and white pixels on a substrate; red, green and blue color filters in the red green and blue pixels, respectively, and a white pattern in the white pixel; a planarization layer on the red, green and blue color filters; and a column spacer on the planarization layer, wherein the column spacer and the white pattern are made of the substantially same material.Type: GrantFiled: November 13, 2014Date of Patent: May 22, 2018Assignee: LG DISPLAY CO., LTD.Inventors: Tae-Young Kim, Woo-Jung Byun, Sang-Ho Lee
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Publication number: 20170097542Abstract: A display device can include a thin-film transistor (TFT) array substrate having data lines, gate lines, TFTs formed at intersections of the data and gate lines, a protective layer disposed on the gates lines and the data lines, and a first protrusion protruding from the protective layer. Also, the display device can include a color filter array substrate having first, second and third color filter layers corresponding to first, second and third sub-pixels, respectively, in which overlapping portions among the first, second and third color filer layers include at least two of the first, second and third color filer layers overlapping with each other, and a section of the overlapping portions among the first, second and third color filer layers of the color filter array substrate forms a second protrusion, and the second protrusion overlaps with the first protrusion protruding from the protective layer of the TFT array substrate.Type: ApplicationFiled: September 30, 2016Publication date: April 6, 2017Applicant: LG Display Co., Ltd.Inventor: Woo-Jung BYUN
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Publication number: 20150185551Abstract: Disclosed is a color filter on transistor (COT) type liquid crystal display device that may include red, green, blue and white pixels on a substrate; red, green and blue color filters in the red green and blue pixels, respectively, and a white pattern in the white pixel; a planarization layer on the red, green and blue color filters; and a column spacer on the planarization layer, wherein the column spacer and the white pattern are made of the substantially same material.Type: ApplicationFiled: November 13, 2014Publication date: July 2, 2015Inventors: Tae-Young Kim, Woo-Jung Byun, Sang-Ho Lee
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Publication number: 20140354924Abstract: Disclosed is a liquid crystal display device that includes: first and second substrates; a gate line and a data line on the first substrate, the gate line and the data line crossing each other to define a pixel region; a thin film transistor connected to the gate line and the data line; a color filter layer on the thin film transistor, the color filter layer including red, green and blue color filters each corresponding to the pixel region; a protrusion pattern at a boundary of the pixel region, the protrusion pattern including at least two of the red, green and blue color filters; a pixel electrode on the color filter layer; a first alignment layer on the pixel electrode; a first patterned spacer on the second substrate, the first patterned spacer contacting the first alignment layer over the protrusion pattern; and a liquid crystal layer between the first and second substrates.Type: ApplicationFiled: May 27, 2014Publication date: December 4, 2014Applicant: LG DISPLAY CO., LTD.Inventors: Woo-Jung BYUN, Tae-Young KIM, Hyo-Jong YI, Dong-In CHOI