Patents by Inventor Changhwa JUN
Changhwa JUN 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: 20220199709Abstract: An electroluminescent display device includes a substrate having a first subpixel and a second subpixel, which are adjacent to each other, a first electrode provided in each of the first subpixel and the second subpixel on the substrate, a trench including a first trench and a second trench, which are provided to be spaced apart from each other at a boundary between the first subpixel and the second subpixel on the substrate, a light emitting layer provided on the first electrode and provided in the first subpixel, the second subpixel and a boundary between the first subpixel and the second subpixel, and a second electrode provided on the light emitting layer, wherein a first portion of the light emitting layer is discontinuous in the first trench and the second trench, a second portion of the light emitting layer is discontinuous in the first trench and is continuous in an area overlapped with the second trench, and a third portion of the light emitting layer is continuous in an area overlapping with the firType: ApplicationFiled: December 15, 2021Publication date: June 23, 2022Applicant: LG DISPLAY CO., LTD.Inventors: SeungMin BAIK, Changhwa JUN
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Patent number: 11316960Abstract: An electronic apparatus comprises a display panel defined by a display area and a non-display area surrounding the display area, including at least one hole formed in the display area, an optical module arranged below the display panel and overlaps with the at least one hole, a light source module arranged at one side of the optical module, and an optical member arranged between the at least one hole and the light source module and partially overlaps with each of the at least one hole and the light source module, wherein the optical member emits a light source or image output from the light source module toward the at least one hole.Type: GrantFiled: December 30, 2020Date of Patent: April 26, 2022Assignee: LG DISLAY CO., LTD.Inventor: Changhwa Jun
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Patent number: 11216101Abstract: A display device with an integrated touch screen, the display device including a first substrate, a first electrode on the first substrate, an organic light emitting layer on the first electrode, a second electrode on the organic light emitting layer and an encapsulation film on the second electrode, wherein the encapsulation film includes: a first touch sensing layer with a first touch electrode and a first insulating film disposed at a first layer, an insulating film disposed on the first touch sensing layer and a second touch sensing layer with a second touch electrode and a second insulating film disposed at a second layer, wherein the second touch sensing layer is disposed on the insulating film, wherein the first insulating film is disposed between the first touch electrode and another neighboring first touch electrode, and is not disposed on the first touch electrode.Type: GrantFiled: November 10, 2020Date of Patent: January 4, 2022Assignee: LG DISPLAY CO., LTD.Inventors: Changhwa Jun, JongSung Kim, Ho-Jin Kim, Jaehyung Yu, SeungMin Baik
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Patent number: 11114649Abstract: A light-emitting display device is provided. The light-emitting display device includes a first substrate, a first electrode layer on the first substrate, a bank layer that has openings exposing part of the first electrode layer, an emissive layer on the first electrode layer, bank grooves formed by recessing the bank layer, a second electrode layer on the emissive layer, and a low-reflectivity layer that lies on the second electrode layer and is positioned to correspond to the bank grooves.Type: GrantFiled: November 20, 2018Date of Patent: September 7, 2021Assignee: LG DISPLAY CO., LTD.Inventors: Dongyoung Kim, Changhwa Jun, Yongbaek Lee, Jang Jo, Jiho Ryu, Hyejin Gong, Yeonsuk Kang
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Publication number: 20210200063Abstract: An electronic apparatus comprises a display panel defined by a display area and a non-display area surrounding the display area, including at least one hole formed in the display area, an optical module arranged below the display panel and overlaps with the at least one hole, a light source module arranged at one side of the optical module, and an optical member arranged between the at least one hole and the light source module and partially overlaps with each of the at least one hole and the light source module, wherein the optical member emits a light source or image output from the light source module toward the at least one hole.Type: ApplicationFiled: December 30, 2020Publication date: July 1, 2021Applicant: LG Display Co., Ltd.Inventor: Changhwa JUN
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Publication number: 20210055819Abstract: A display device with an integrated touch screen, the display device including a first substrate, a first electrode on the first substrate, an organic light emitting layer on the first electrode, a second electrode on the organic light emitting layer and an encapsulation film on the second electrode, wherein the encapsulation film includes: a first touch sensing layer with a first touch electrode and a first insulating film disposed at a first layer, an insulating film disposed on the first touch sensing layer and a second touch sensing layer with a second touch electrode and a second insulating film disposed at a second layer, wherein the second touch sensing layer is disposed on the insulating film, wherein the first insulating film is disposed between the first touch electrode and another neighboring first touch electrode, and is not disposed on the first touch electrode.Type: ApplicationFiled: November 10, 2020Publication date: February 25, 2021Applicant: LG Display Co., Ltd.Inventors: Changhwa JUN, JongSung KIM, Ho-Jin KIM, Jaehyung YU, SeungMin BAIK
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Patent number: 10872943Abstract: A display device includes a substrate provided with a plurality of subpixel areas, a circuit element layer provided on the substrate and provided with a transistor for each subpixel area, an insulating layer provided on the circuit element layer and provided with a recessed portion formed to overlap the transistor, a reflective electrode provided on the insulating layer and provided in the recessed portion, a first electrode provided on the reflective electrode while being overlapped with the recessed portion, an organic light emitting layer provided on the first electrode, a bank provided between the subpixel areas while covering an end of the first electrode, and a second electrode provided on the organic light emitting layer, wherein the recessed portion, the reflective electrode and the first electrode may be provided with N stages, wherein N is an integer greater than 1, whereby light efficiency may be improved.Type: GrantFiled: July 25, 2019Date of Patent: December 22, 2020Assignee: LG Display Co., Ltd.Inventor: Changhwa Jun
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Patent number: 10866663Abstract: Disclosed is a display device with integrated touch screen capable of minimizing the increase of thickness caused by touch electrodes, and a method for fabricating the same, wherein the display device may include first electrode on a first substrate, an organic light emitting layer on the first electrode, a second electrode on the organic light emitting layer, and an encapsulation film on the second electrode, wherein the encapsulation film includes a touch sensing layer with a first touch electrode, a second touch electrode, and a first insulating film, the first touch electrode, the second touch electrode, and the first insulating film are coplanar, and the first insulating film is disposed between the first touch electrode and the second touch electrode.Type: GrantFiled: December 8, 2017Date of Patent: December 15, 2020Assignee: LG DISPLAY CO., LTD.Inventors: Changhwa Jun, JongSung Kim, Ho-Jin Kim, Jaehyung Yu, SeungMin Baik
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Publication number: 20200044002Abstract: A display device includes a substrate provided with a plurality of subpixel areas, a circuit element layer provided on the substrate and provided with a transistor for each subpixel area, an insulating layer provided on the circuit element layer and provided with a recessed portion formed to overlap the transistor, a reflective electrode provided on the insulating layer and provided in the recessed portion, a first electrode provided on the reflective electrode while being overlapped with the recessed portion, an organic light emitting layer provided on the first electrode, a bank provided between the subpixel areas while covering an end of the first electrode, and a second electrode provided on the organic light emitting layer, wherein the recessed portion, the reflective electrode and the first electrode may be provided with N stages, wherein N is an integer greater than 1, whereby light efficiency may be improved.Type: ApplicationFiled: July 25, 2019Publication date: February 6, 2020Applicant: LG Display Co., Ltd.Inventor: Changhwa JUN
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Patent number: 10446620Abstract: An organic light-emitting diode display device is disclosed. The organic light-emitting diode display device comprises a display panel where a plurality of pixels are arranged. The plurality of pixels comprise a first pixel having a first planar shape consisting of a plurality of points and a second pixel placed adjacent to the first pixel and having a second planar shape consisting of a plurality of points. The first planar shape contains a first point, which is the only point from which the shortest distance between the first pixel and the second pixel is obtained.Type: GrantFiled: June 22, 2018Date of Patent: October 15, 2019Assignee: LG Display Co., Ltd.Inventors: Changhwa Jun, Howon Choi
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Publication number: 20190165326Abstract: A light-emitting display device is provided. The light-emitting display device includes a first substrate, a first electrode layer on the first substrate, a bank layer that has openings exposing part of the first electrode layer, an emissive layer on the first electrode layer, bank grooves formed by recessing the bank layer, a second electrode layer on the emissive layer, and a low-reflectivity layer that lies on the second electrode layer and is positioned to correspond to the bank grooves.Type: ApplicationFiled: November 20, 2018Publication date: May 30, 2019Applicant: LG DISPLAY CO., LTD.Inventors: Dongyoung Kim, Changhwa Jun, Yongbaek Lee, Jang Jo, Jiho Ryu, Hyejin Gong, Yeongsuk Kang
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Publication number: 20190006430Abstract: An organic light-emitting diode display device is disclosed. The organic light-emitting diode display device comprises a display panel where a plurality of pixels are arranged. The plurality of pixels comprise a first pixel having a first planar shape consisting of a plurality of points and a second pixel placed adjacent to the first pixel and having a second planar shape consisting of a plurality of points. The first planar shape contains a first point, which is the only point from which the shortest distance between the first pixel and the second pixel is obtained.Type: ApplicationFiled: June 22, 2018Publication date: January 3, 2019Inventors: Changhwa JUN, Howon CHOI
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Publication number: 20180164933Abstract: Disclosed is a display device with integrated touch screen capable of minimizing the increase of thickness caused by touch electrodes, and a method for fabricating the same, wherein the display device may include first electrode on a first substrate, an organic light emitting layer on the first electrode, a second electrode on the organic light emitting layer, and an encapsulation film on the second electrode, wherein the encapsulation film includes a touch sensing layer with a first touch electrode, a second touch electrode, and a first insulating film, the first touch electrode, the second touch electrode, and the first insulating film are coplanar, and the first insulating film is disposed between the first touch electrode and the second touch electrode.Type: ApplicationFiled: December 8, 2017Publication date: June 14, 2018Applicant: LG Display Co., Ltd.Inventors: Changhwa JUN, JongSung KIM, Ho-Jin KIM, Jaehyung YU, SeungMin BAIK