Patents by Inventor Myung-O JOO
Myung-O JOO 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: 11937462Abstract: An electroluminescent display device includes an electroluminescent display device includes a substrate; a first pixel row on the substrate including a first plurality of pixels arranged along a first direction; a second pixel row on the substrate including a second plurality of pixels arranged along the first direction, the second pixel row being spaced apart from the first pixel row in a second direction; a first groove between the first and second pixel rows; and a light emitting diode in each pixel of the first and second pixel rows, wherein the first groove includes a first portion at one end of the first pixel row, a second portion at the other end of the first pixel row and a third portion between the first and second portions, and wherein third portion is smaller than the first portion and greater than the second portion.Type: GrantFiled: February 23, 2022Date of Patent: March 19, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Jeong-Mook Choi, Nack-Youn Jung, Hee-Jin Kim, Hak-Min Lee, Myung-O Joo, Sung-Soo Park
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Publication number: 20220181414Abstract: An electroluminescent display device includes an electroluminescent display device includes a substrate; a first pixel row on the substrate including a first plurality of pixels arranged along a first direction; a second pixel row on the substrate including a second plurality of pixels arranged along the first direction, the second pixel row being spaced apart from the first pixel row in a second direction; a first groove between the first and second pixel rows; and a light emitting diode in each pixel of the first and second pixel rows, wherein the first groove includes a first portion at one end of the first pixel row, a second portion at the other end of the first pixel row and a third portion between the first and second portions, and wherein third portion is smaller than the first portion and greater than the second portion.Type: ApplicationFiled: February 23, 2022Publication date: June 9, 2022Applicant: LG DISPLAY CO., LTD.Inventors: Jeong-Mook CHOI, Nack-Youn JUNG, Hee-Jin KIM, Hak-Min LEE, Myung-O JOO, Sung-Soo PARK
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Patent number: 11289555Abstract: An electroluminescent display device includes an electroluminescent display device includes a substrate; a first pixel row on the substrate including a first plurality of pixels arranged along a first direction; a second pixel row on the substrate including a second plurality of pixels arranged along the first direction, the second pixel row being spaced apart from the first pixel row in a second direction; a first groove between the first and second pixel rows; and a light emitting diode in each pixel of the first and second pixel rows, wherein the first groove includes a first portion at one end of the first pixel row, a second portion at the other end of the first pixel row and a third portion between the first and second portions, and wherein third portion is smaller than the first portion and greater than the second portion.Type: GrantFiled: August 30, 2019Date of Patent: March 29, 2022Assignee: LG DISPLAY CO., LTD.Inventors: Jeong-Mook Choi, Nack-Youn Jung, Hee-Jin Kim, Hak-Min Lee, Myung-O Joo, Sung-Soo Park
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Patent number: 11094761Abstract: An organic light emitting display device and a method of fabricating thereof are discussed. The organic light emitting display device according to an example of the invention comprises a first substrate; a plurality of first bank layers arranged along a first direction and a second direction on the first substrate to define a plurality of pixels; a plurality of second bank layers disposed along the first direction on the first bank layers to divide columns of pixels having different colors; a plurality of third bank layers disposed along the second direction on the first bank layers; and an organic light emitting diode in each pixel, the organic light emitting diode including an organic light emitting layer, wherein the third bank layer is made of a same material as the second bank layer and the width of the third bank layer is smaller than that of the second bank layer.Type: GrantFiled: December 11, 2019Date of Patent: August 17, 2021Assignee: LG DISPLAY CO., LTD.Inventors: Sung-Soo Park, Nack-Youn Jung, Hee-Jin Kim, Hak-Min Lee, Myung-O Joo, Jeong-Mook Choi
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Patent number: 11049918Abstract: An organic light emitting display device and method of fabricating thereof is disclosed. The organic light emitting display device comprises a first substrate; a plurality of first bank layers arranged along a first direction and a second direction on the first substrate to define a plurality of pixels, where the first direction and the second direction are orthogonal; a plurality of second bank layers disposed along the first direction on the first bank layers to divide pixels columns of different colors; and an organic light emitting diode in each pixel, the organic light emitting diode including an organic light emitting layer having different thicknesses on different colored pixels, wherein the side surfaces of the second bank layer adjacent to the pixel columns of different colors are inclined, the inclined angle thereof is dependent upon a thickness of the organic light emitting layer in the pixel.Type: GrantFiled: December 5, 2019Date of Patent: June 29, 2021Assignee: LG Display Co., Ltd.Inventors: Hak-Min Lee, Nack-Youn Jung, Hee-Jin Kim, Myung-O Joo, Sung-Soo Park, Jeong-Mook Choi
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Patent number: 10847590Abstract: An electroluminescent display device can include a plurality of sub-pixels arranged on a substrate along a first direction and a second direction; a light-emitting diode disposed at each sub-pixel and including a first electrode, a light-emitting layer and a second electrode; a first bank disposed between adjacent sub-pixels along the second direction and overlapping edges of the first electrode; a second bank having an opening corresponding to the sub-pixels arranged along the second direction and disposed between adjacent sub-pixels along the first direction; and a third bank on side surfaces of the second bank facing each other along the second direction.Type: GrantFiled: December 6, 2019Date of Patent: November 24, 2020Assignee: LG DISPLAY CO., LTD.Inventors: Hak-Min Lee, Young-Jun Yu, Hee-Jin Kim, Myung-O Joo, Sung-Soo Park
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Publication number: 20200194522Abstract: An electroluminescent display device can include a plurality of sub-pixels arranged on a substrate along a first direction and a second direction; a light-emitting diode disposed at each sub-pixel and including a first electrode, a light-emitting layer and a second electrode; a first bank disposed between adjacent sub-pixels along the second direction and overlapping edges of the first electrode; a second bank having an opening corresponding to the sub-pixels arranged along the second direction and disposed between adjacent sub-pixels along the first direction; and a third bank on side surfaces of the second bank facing each other along the second direction.Type: ApplicationFiled: December 6, 2019Publication date: June 18, 2020Applicant: LG DISPLAY CO., LTD.Inventors: Hak-Min Lee, Young-Jun Yu, Hee-Jin Kim, Myung-O Joo, Sung-Soo Park
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Publication number: 20200185471Abstract: An organic light emitting display device and method of fabricating thereof is disclosed. The organic light emitting display device comprises a first substrate; a plurality of first bank layers arranged along a first direction and a second direction on the first substrate to define a plurality of pixels, where the first direction and the second direction are orthogonal; a plurality of second bank layers disposed along the first direction on the first bank layers to divide pixels columns of different colors; and an organic light emitting diode in each pixel, the organic light emitting diode including an organic light emitting layer having different thicknesses on different colored pixels, wherein the side surfaces of the second bank layer adjacent to the pixel columns of different colors are inclined, the inclined angle thereof is dependent upon a thickness of the organic light emitting layer in the pixel.Type: ApplicationFiled: December 5, 2019Publication date: June 11, 2020Inventors: Hak-Min LEE, Nack-Youn JUNG, Hee-Jin KIM, Myung-O JOO, Sung-Soo PARK, Jeong-Mook CHOI
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Publication number: 20200185472Abstract: An organic light emitting display device and a method of fabricating thereof are discussed. The organic light emitting display device according to an example of the invention comprises a first substrate; a plurality of first bank layers arranged along a first direction and a second direction on the first substrate to define a plurality of pixels; a plurality of second bank layers disposed along the first direction on the first bank layers to divide columns of pixels having different colors; a plurality of third bank layers disposed along the second direction on the first bank layers; and an organic light emitting diode in each pixel, the organic light emitting diode including an organic light emitting layer, wherein the third bank layer is made of a same material as the second bank layer and the width of the third bank layer is smaller than that of the second bank layer.Type: ApplicationFiled: December 11, 2019Publication date: June 11, 2020Applicant: LG Display Co., Ltd.Inventors: Sung-Soo Park, Nack-Youn Jung, Hee-Jin Kim, Hak-Min Lee, Myung-O Joo, Jeong-Mook Choi
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Publication number: 20200176532Abstract: An electroluminescent display device includes an electroluminescent display device includes a substrate; a first pixel row on the substrate including a first plurality of pixels arranged along a first direction; a second pixel row on the substrate including a second plurality of pixels arranged along the first direction, the second pixel row being spaced apart from the first pixel row in a second direction; a first groove between the first and second pixel rows; and a light emitting diode in each pixel of the first and second pixel rows, wherein the first groove includes a first portion at one end of the first pixel row, a second portion at the other end of the first pixel row and a third portion between the first and second portions, and wherein third portion is smaller than the first portion and greater than the second portion.Type: ApplicationFiled: August 30, 2019Publication date: June 4, 2020Applicant: LG Display Co., Ltd.Inventors: Jeong-Mook CHOI, Nack-Youn JUNG, Hee-Jin KIM, Hak-Min LEE, Myung-O JOO, Sung-Soo PARK
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Patent number: 10388222Abstract: An electroluminescent display device includes first and second pixels arranged along a first direction on a substrate; a first groove positioned at a side of the first and second pixels and including a first portion extending along the first direction and a second portion corresponding to a space between the first and second pixels; and a light emitting diode in each of the first and second pixels.Type: GrantFiled: December 5, 2017Date of Patent: August 20, 2019Assignee: LG Display Co., Ltd.Inventors: Myung-O Joo, Nack-Youn Jung, Jun-Ho Youn, Jeong-Mook Choi, Jun-Young Kim
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Patent number: 10170521Abstract: An organic light-emitting diode display device according to an embodiment includes a substrate on which red, green and blue sub-pixel regions are defined, first electrodes in the red, green and blue sub-pixel regions, respectively, and first, second and third light-emitting layers on the first electrodes in the red, green and blue sub-pixel regions, respectively. The organic light-emitting diode display device further includes a second electrode on the first, second and third light-emitting layers, and red, green and blue color filters disposed on the second electrode and corresponding to the red, green and blue sub-pixel regions, respectively, wherein a thickness of the first light-emitting layer is smaller than a thickness of the second light emitting layer.Type: GrantFiled: November 29, 2016Date of Patent: January 1, 2019Assignee: LG DISPLAY CO., LTD.Inventors: Nack-Youn Jung, Heume-Il Baek, Myung-O Joo, Jeong-Mook Choi, Yun-Joo Jo
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Publication number: 20180174515Abstract: An electroluminescent display device includes first and second pixels arranged along a first direction on a substrate; a first groove positioned at a side of the first and second pixels and including a first portion extending along the first direction and a second portion corresponding to a space between the first and second pixels; and a light emitting diode in each of the first and second pixels.Type: ApplicationFiled: December 5, 2017Publication date: June 21, 2018Inventors: Myung-O JOO, Nack-Youn JUNG, Jun-Ho YOUN, Jeong-Mook CHOI, Jun-Young KIM
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Publication number: 20170194385Abstract: An organic light-emitting diode display device according to an embodiment includes a substrate on which red, green and blue sub-pixel regions are defined, first electrodes in the red, green and blue sub-pixel regions, respectively, and first, second and third light-emitting layers on the first electrodes in the red, green and blue sub-pixel regions, respectively. The organic light-emitting diode display device further includes a second electrode on the first, second and third light-emitting layers, and red, green and blue color filters disposed on the second electrode and corresponding to the red, green and blue sub-pixel regions, respectively, wherein a thickness of the first light-emitting layer is smaller than a thickness of the second light emitting layer.Type: ApplicationFiled: November 29, 2016Publication date: July 6, 2017Applicant: LG Display Co., Ltd.Inventors: Nack-Youn JUNG, Heume-Il BAEK, Myung-O JOO, Jeong-Mook CHOI, Yun-Joo JO