Patents by Inventor Hyeong Jun Lim
Hyeong Jun Lim 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: 20230217773Abstract: A display apparatus includes: a substrate including a plurality of sub-pixels; an organic light emitting element formed in each of the plurality of sub-pixels; a light control member including a light control pattern disposed in each of the plurality of sub-pixels, and an air layer between adjacent light control patterns; and a color filter layer disposed on the light control member.Type: ApplicationFiled: December 24, 2022Publication date: July 6, 2023Applicant: LG DISPLAY CO., LTD.Inventor: Hyeong-Jun LIM
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Patent number: 11201197Abstract: A display device includes: a substrate; a plurality of pixels on the substrate; an insulating film on the substrate; a bank on the insulating film, wherein the bank partitions the plurality of pixels; a first trench in the bank; and a second trench in the insulating film. A method of manufacturing a display device includes: forming a first lower metal layer and a second metal layer in patterns on a substrate; forming a first insulating film on the first lower metal layer and the second lower metal layer; forming a second insulating film on the first insulating film; forming a first trench to expose the second lower metal layer by performing a first etching process; and forming a second trench by performing a second etching process to etch the second lower metal layer exposed from a bottom of the first trench.Type: GrantFiled: July 30, 2019Date of Patent: December 14, 2021Assignee: LG Display Co., Ltd.Inventors: Hyeong-Jun Lim, Doo-Hyn Yoon, Han-Sun Park
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Patent number: 11024685Abstract: An electroluminescent display device includes a substrate including a plurality of pixel regions; an air gap over the substrate and configured to separate the plurality of pixel regions; a first electrode in each of the plurality of pixel regions; an insulating pattern covering an edge of the first electrode; a light emitting portion on the first electrode and the insulating pattern; and a second electrode on the light emitting portion.Type: GrantFiled: December 7, 2018Date of Patent: June 1, 2021Assignee: LG Display Co., Ltd.Inventors: Hyeong-Jun Lim, Ji-Yeon Park, Han-Sun Park
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Patent number: 10916589Abstract: An electroluminescent display device includes a substrate including first, second, and third sub-pixel regions; an interlayer insulating layer and a passivation layer each separately disposed at the first, second, and third sub-pixel regions on the substrate; a reflective electrode disposed on the passivation layer of each of the first, second, and third sub-pixel regions; first, second, and third dielectric layers disposed corresponding to the first, second, and third sub-pixel regions, respectively, on the reflective electrode; a first electrode disposed on each of the first, second, and third dielectric layers; an insulating pattern covering an edge of the first electrode; a light-emitting layer disposed on the first electrode and the insulating pattern and substantially all over the substrate including the first, second, and third sub-pixel regions; and a second electrode disposed on the light-emitting layer, wherein the first, second, and third dielectric layers have different thicknesses.Type: GrantFiled: December 12, 2018Date of Patent: February 9, 2021Assignee: LG DISPLAY CO., LTD.Inventors: Hyung-Seok Bang, Ji-Yeon Park, Han-Sun Park, Hyeong-Jun Lim
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Patent number: 10700140Abstract: An electroluminescent display device is disclosed. The disclosed electroluminescent display device includes a substrate including a plurality of pixel regions; a plurality of light emitting diodes spaced apart from each other on the substrate and each corresponding to the plurality of pixel regions, respectively; a plurality of encapsulation films respectively covering each of the light emitting diodes of the plurality of light emitting diodes, wherein the plurality of encapsulation films has a first refractive index; a first partition wall disposed between each of the encapsulation films of the plurality of encapsulation films, wherein the first partition wall corresponds to a boundary between the plurality of pixel regions and has a second refractive index lower than the first refractive index; and a color filter layer disposed on the plurality of encapsulation films and the first partition wall.Type: GrantFiled: December 5, 2018Date of Patent: June 30, 2020Assignee: LG Display Co., Ltd.Inventors: Hyeong-Jun Lim, Han-Sun Park, Hyung-Seok Bang, Ji-Yeon Park
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Publication number: 20200044001Abstract: A display device includes: a substrate; a plurality of pixels on the substrate; an insulating film on the substrate; a bank on the insulating film, wherein the bank partitions the plurality of pixels; a first trench in the bank; and a second trench in the insulating film. A method of manufacturing a display device includes: forming a first lower metal layer and a second metal layer in patterns on a substrate; forming a first insulating film on the first lower metal layer and the second lower metal layer; forming a second insulating film on the first insulating film; forming a first trench to expose the second lower metal layer by performing a first etching process; and forming a second trench by performing a second etching process to etch the second lower metal layer exposed from a bottom of the first trench.Type: ApplicationFiled: July 30, 2019Publication date: February 6, 2020Applicant: LG Display Co., Ltd.Inventors: Hyeong-Jun LIM, Doo-Hyn YOON, Han-Sun PARK
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Publication number: 20190189701Abstract: An electroluminescent display device includes a substrate including first, second, and third sub-pixel regions; an interlayer insulating layer and a passivation layer each separately disposed at the first, second, and third sub-pixel regions on the substrate; a reflective electrode disposed on the passivation layer of each of the first, second, and third sub-pixel regions; first, second, and third dielectric layers disposed corresponding to the first, second, and third sub-pixel regions, respectively, on the reflective electrode; a first electrode disposed on each of the first, second, and third dielectric layers; an insulating pattern covering an edge of the first electrode; a light-emitting layer disposed on the first electrode and the insulating pattern and substantially all over the substrate including the first, second, and third sub-pixel regions; and a second electrode disposed on the light-emitting layer, wherein the first, second, and third dielectric layers have different thicknesses.Type: ApplicationFiled: December 12, 2018Publication date: June 20, 2019Applicant: LG DISPLAY CO., LTD.Inventors: Hyung-Seok BANG, Ji-Yeon PARK, Han-Sun PARK, Hyeong-Jun LIM
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Publication number: 20190181202Abstract: An electroluminescent display device includes a substrate including a plurality of pixel regions; an air gap over the substrate and configured to separate the plurality of pixel regions; a first electrode in each of the plurality of pixel regions; an insulating pattern covering an edge of the first electrode; a light emitting portion on the first electrode and the insulating pattern; and a second electrode on the light emitting portion.Type: ApplicationFiled: December 7, 2018Publication date: June 13, 2019Applicant: LG Display Co., Ltd.Inventors: Hyeong-Jun LIM, Ji-Yeon PARK, Han-Sun PARK
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Publication number: 20190172874Abstract: An electroluminescent display device is disclosed. The disclosed electroluminescent display device includes a substrate including a plurality of pixel regions; a plurality of light emitting diodes spaced apart from each other on the substrate and each corresponding to the plurality of pixel regions, respectively; a plurality of encapsulation films respectively covering each of the light emitting diodes of the plurality of light emitting diodes, wherein the plurality of encapsulation films has a first refractive index; a first partition wall disposed between each of the encapsulation films of the plurality of encapsulation films, wherein the first partition wall corresponds to a boundary between the plurality of pixel regions and has a second refractive index lower than the first refractive index; and a color filter layer disposed on the plurality of encapsulation films and the first partition wall.Type: ApplicationFiled: December 5, 2018Publication date: June 6, 2019Applicant: LG Display Co., Ltd.Inventors: Hyeong-Jun LIM, Han-Sun PARK, Hyung-Seok BANG, Ji-Yeon PARK
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Patent number: 5817297Abstract: The present invention relates to a composition for enhancing oral hygiene which can effectively prevent and treat periodontal diseases and dental caries, characterized in that it contains as an effective component one or more component selected from ursodesoxycholic acid and chenodesoxycholic acid having a good inhibiting effect on collagenase, which is known as the inducer of gingivitis.Type: GrantFiled: January 29, 1997Date of Patent: October 6, 1998Assignee: LG Chemical Ltd.Inventors: Jae Mong Ha, Moon Moo Kim, Jong Heon Choi, Hyeong Jun Lim, Sug Youn Chang, Ho Jeong Ahn, Eu Jene Choi, Seung Joon Lee, Hong Soon Bak