Patents by Inventor Hak-Min Lee
Hak-Min Lee 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).
-
Publication number: 20250019550Abstract: The present invention relates to a two-component thermally conductive polyurethane gap filler composition and, more particularly, provides a two-component thermally conductive polyurethane gap filler composition comprising: a primary composition comprising a catalyst and two or more mixtures selected from a polyol having one hydroxyl group, a polyol having two hydroxyl groups, and a polyol having 3 to 64 hydroxyl groups; and a curing agent composition comprising a moisture scavenger, a curing retardant, and at least one selected from a monomer having 2 or less isocyanate groups at a terminal and a polyurethane precursor obtained by reacting a monomer having 2 or less isocyanate groups at a terminal and a polyol.Type: ApplicationFiled: December 7, 2022Publication date: January 16, 2025Applicant: JNC MATERIALS CO., LTDInventors: Hak Min LEE, Jun Hwa LEE, Soo Ryeon LEE
-
Patent number: 12127438Abstract: An electroluminescent display device includes a substrate, a first electrode on the substrate, a connection pattern on the substrate and formed of a same material as the first electrode, a bank covering edges of the first electrode and the connection pattern, a light-emitting layer on the first electrode, a second electrode on the light-emitting layer, the bank, and the connection pattern, and an auxiliary pattern between the second electrode and the connection pattern, wherein a side surface of the auxiliary pattern has a greater inclination angle than a side surface of the bank.Type: GrantFiled: September 15, 2021Date of Patent: October 22, 2024Assignee: LG Display Co., Ltd.Inventors: Hak-Min Lee, Hee-Jin Kim
-
Publication number: 20240224661Abstract: A dual-side organic light emitting display device comprising a transparent substrate including a pixel region, the pixel region including first and second regions; first and second driving elements in the first region and over the transparent substrate; a first organic light emitting diode in the second region and over the first and second driving elements, the first organic light emitting diode including a first electrode connected to the first driving element, a second electrode disposed over the first electrode and a first organic light emitting layer between the first and second electrodes; and a second organic light emitting diode in the first and second regions and on the first organic light emitting diode, the second organic light emitting diode including a third electrode disposed over the second electrode and connected to the second driving element and a second organic light emitting layer between the second and third electrodes.Type: ApplicationFiled: November 14, 2023Publication date: July 4, 2024Inventors: Hee-Jin KIM, Hak-Min LEE
-
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
-
Patent number: 11864440Abstract: An electroluminescent display device includes a substrate having an emission area and a transparent portion, the emission area including a sub-pixel, and the transparent portion being adjacent to the sub-pixel; a first electrode in the emission area and over the substrate; a transparent connection pattern in the transparent portion and over the substrate, the transparent connection pattern being spaced apart from the first electrode; a first bank covering an edge of the first electrode and exposing the transparent connection pattern in the transparent portion; and a second bank on the first bank and covering the transparent connection pattern in the transparent portion, wherein the second bank includes a transparent conductive material.Type: GrantFiled: November 4, 2021Date of Patent: January 2, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Hee-Tae Lim, Ji-Ho Kang, Hak-Min Lee, Hyuk-Chan Gee
-
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
-
Publication number: 20220173206Abstract: An electroluminescent display device includes a substrate having an emission area and a transparent portion, the emission area including a sub-pixel, and the transparent portion being adjacent to the sub-pixel; a first electrode in the emission area and over the substrate; a transparent connection pattern in the transparent portion and over the substrate, the transparent connection pattern being spaced apart from the first electrode; a first bank covering an edge of the first electrode and exposing the transparent connection pattern in the transparent portion; and a second bank on the first bank and covering the transparent connection pattern in the transparent portion, wherein the second bank includes a transparent conductive material.Type: ApplicationFiled: November 4, 2021Publication date: June 2, 2022Applicant: LG Display Co., Ltd.Inventors: Hee-Tae LIM, Ji-Ho KANG, Hak-Min LEE, Hyuk-Chan GEE
-
Publication number: 20220173179Abstract: An electroluminescent display device includes a substrate, a first electrode on the substrate, a connection pattern on the substrate and formed of a same material as the first electrode, a bank covering edges of the first electrode and the connection pattern, a light-emitting layer on the first electrode, a second electrode on the light-emitting layer, the bank, and the connection pattern, and an auxiliary pattern between the second electrode and the connection pattern, wherein a side surface of the auxiliary pattern has a greater inclination angle than a side surface of the bank.Type: ApplicationFiled: September 15, 2021Publication date: June 2, 2022Applicant: LG DISPLAY CO., LTD.Inventors: Hak-Min LEE, Hee-Jin KIM
-
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
-
Publication number: 20220059794Abstract: The present invention provides an organic emitting diode including a first electrode; a second electrode facing the first electrode; an emitting material layer between the first and second electrodes; and an intervening layer between the emitting material layer and the second electrode and including a base material and an electron injection material, wherein the intervening layer contacts the second electrode.Type: ApplicationFiled: November 4, 2021Publication date: February 24, 2022Applicant: LG Display Co., Ltd.Inventors: Hee-Jin KIM, Hak-Min LEE, Sung-Soo PARK
-
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
-
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
-
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
-
Patent number: 10784460Abstract: Provided are an electroluminescent device and an electroluminescent display device. The electroluminescent device includes an anode and a cathode facing each other, a light compensation layer located between the anode and the cathode and having a first refractive index, and an emitting material layer located between the light compensation layer and the cathode, and having a second refractive index higher than the first refractive index.Type: GrantFiled: October 17, 2019Date of Patent: September 22, 2020Assignee: LG Display Co., Ltd.Inventors: Hak-Min Lee, Young-Jun Yu, Hee-Jin Kim, Sung-Soo Park
-
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
-
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
-
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
-
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
-
Publication number: 20200052240Abstract: Provided are an electroluminescent device and an electroluminescent display device. The electroluminescent device includes an anode and a cathode facing each other, a light compensation layer located between the anode and the cathode and having a first refractive index, and an emitting material layer located between the light compensation layer and the cathode, and having a second refractive index higher than the first refractive index.Type: ApplicationFiled: October 17, 2019Publication date: February 13, 2020Inventors: Hak-Min LEE, Young-Jun YU, Hee-Jin KIM, Sung-Soo PARK
-
Patent number: 10483483Abstract: Provided are an electroluminescent device and an electroluminescent display device. The electroluminescent device includes an anode and a cathode facing each other, a light compensation layer located between the anode and the cathode and having a first refractive index, and an emitting material layer located between the light compensation layer and the cathode, and having a second refractive index higher than the first refractive index.Type: GrantFiled: December 8, 2017Date of Patent: November 19, 2019Assignee: LG Display Co., Ltd.Inventors: Hak-Min Lee, Young-Jun Yu, Hee-Jin Kim, Sung-Soo Park