Patents by Inventor Jin Gyeong Park
Jin Gyeong Park 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: 12007643Abstract: An optical path control member according to an embodiment comprises: a first substrate on which a first direction and a second direction are defined; a first electrode arranged on the first substrate; a second substrate which is arranged on the first substrate and on which the first direction and the second direction are defined; a second electrode arranged under the second substrate; and a light conversion unit arranged between the first electrode and the second electrode, wherein the light conversion unit comprises an alternately arranged plurality of partition parts and plurality of accommodation parts, a light conversion material is arranged in the accommodation part, the accommodation part comprises at least one first region and at least one second region, and the height of the light conversion material arranged in the first region is less than the height of the light conversion material arranged in the second region.Type: GrantFiled: July 8, 2021Date of Patent: June 11, 2024Assignee: LG INNOTEK CO., LTD.Inventors: Won Seok Choi, Jin Gyeong Park, Byung Sook Kim
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Publication number: 20240094591Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode provided on the upper portion of the first substrate; a second substrate provided on the first substrate; a second electrode provided on the lower portion of the second substrate; and an optical conversion unit provided between the first electrode and the second electrode, wherein the optical conversion unit comprises partition wall parts and accommodation parts which are alternately arranged. The accommodation parts have a light transmission rate that varies according to the application of a voltage, and the accommodation parts comprise a plurality of unit accommodation cells spaced apart from each other, and comprises a dispersion and light-absorbing particles which are dispersed in the dispersion.Type: ApplicationFiled: September 21, 2020Publication date: March 21, 2024Inventors: Jong Sik LEE, Byung Sook KIM, Jin Gyeong PARK, In Hae LEE, Young Ju HAN
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Publication number: 20240072228Abstract: A display device comprises a first pixel including a first emission area, a second pixel including a second emission area spaced apart from the first emission area in a first direction, and a bank partitioning the first emission area and the second emission area, wherein the first pixel includes a first alignment electrode, a second alignment electrode, and a third alignment electrode sequentially located, spaced apart from each other in the first direction, and overlapping with the first emission area, first light-emitting elements above, and overlapping with, the first alignment electrode and the second alignment electrode, second light-emitting elements above, and overlapping with, the second alignment electrode and the third alignment electrode, and a dummy electrode between the first emission area and the second emission area, and overlapping with the bank.Type: ApplicationFiled: August 2, 2023Publication date: February 29, 2024Inventors: Won Jun LEE, Dong Woo KIM, Do Yeong PARK, Se Hyun LEE, Kwi Hyun KIM, Min Gyeong SHIN, Jin Joo HA
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Patent number: 11914242Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed under the second substrate; and a photoconversion unit disposed between the first electrode and the second electrode, wherein the second substrate includes at least one hole penetrating the second substrate, and an electrode connection part connected to a side surface of the second electrode is disposed inside the hole.Type: GrantFiled: June 28, 2021Date of Patent: February 27, 2024Assignee: LG INNOTEK CO., LTD.Inventors: Jin Gyeong Park, Chan Mi Ju, Byung Sook Kim
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Patent number: 11899294Abstract: A light path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed under the second substrate; a light conversion unit disposed between the first electrode and the second electrode; an adhesive layer between the second electrode and the light conversion unit; and a buffer layer between the first electrode and the light conversion unit. The light conversion unit includes a plurality of partition wall portions, a plurality of accommodation portions, and a base portion. The accommodation portions have a light conversion material disposed therein, and include at least two sealing regions formed on at least one of the first substrate or the second substrate.Type: GrantFiled: August 17, 2021Date of Patent: February 13, 2024Assignee: LG INNOTEK CO., LTD.Inventors: Jun Sik Shin, Jong Sik Lee, Jong Tae Kwon, Byung Sook Kim, Jin Gyeong Park
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Publication number: 20230341714Abstract: A light path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed under the second substrate; a light conversion unit disposed between the first electrode and the second electrode; an adhesive layer between the second electrode and the light conversion unit; and a buffer layer between the first electrode and the light conversion unit. The light conversion unit includes a plurality of partition wall portions, a plurality of accommodation portions, and a base portion. The accommodation portions have a light conversion material disposed therein, and include at least two sealing regions formed on at least one of the first substrate or the second substrate.Type: ApplicationFiled: August 17, 2021Publication date: October 26, 2023Inventors: Jun Sik SHIN, Jong Sik LEE, Jong Tae KWON, Byung Sook KIM, Jin Gyeong PARK
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Publication number: 20230280612Abstract: An optical path control member according to an embodiment comprises: a first substrate on which a first direction and a second direction are defined; a first electrode arranged on the first substrate; a second substrate which is arranged on the first substrate and on which the first direction and the second direction are defined; a second electrode arranged under the second substrate; and a light conversion unit arranged between the first electrode and the second electrode, wherein the light conversion unit comprises an alternately arranged plurality of partition parts and plurality of accommodation parts, a light conversion material is arranged in the accommodation part, the accommodation part comprises at least one first region and at least one second region, and the height of the light conversion material arranged in the first region is less than the height of the light conversion material arranged in the second region.Type: ApplicationFiled: July 8, 2021Publication date: September 7, 2023Inventors: Won Seok CHOI, Jin Gyeong PARK, Byung Sook KIM
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Publication number: 20230273480Abstract: A light path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed under the second substrate; and a light conversion part disposed between the first electrode and the second electrode, wherein: the light conversion part includes a plurality of partition wall portions and a plurality of receiving portions which are alternately arranged; a light conversion material comprising a dispersion and multiple light conversion particles dispersed in the dispersion is disposed in the receiving portions; and the dispersion comprises a material having a carbon number of 2 to 13.Type: ApplicationFiled: July 27, 2021Publication date: August 31, 2023Inventors: Jin Gyeong PARK, Jun LEE, Byung Sook KIM, Mun Yeong SON
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Publication number: 20230258972Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed under the second substrate; and a photoconversion unit disposed between the first electrode and the second electrode, wherein the second substrate includes at least one hole penetrating the second substrate, and an electrode connection part connected to a side surface of the second electrode is disposed inside the hole.Type: ApplicationFiled: June 28, 2021Publication date: August 17, 2023Inventors: Jin Gyeong PARK, Chan Mi JU, Byung Sook KIM
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Publication number: 20230236467Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed below the second substrate; and a light conversion unit disposed between the first electrode and the second electrode, wherein the second substrate and the second electrode comprise at least one hole penetrating the second substrate and the second electrode, and a sealing part is disposed inside the hole.Type: ApplicationFiled: June 28, 2021Publication date: July 27, 2023Inventors: Jin Gyeong PARK, Jong Sik LEE, Byung Sook KIM
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Publication number: 20230229035Abstract: An optical path control member, according to an embodiment, comprises: a first substrate by which a first direction and a second direction are defined; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate and by which the first direction and the second direction are defined; a second electrode disposed under the second substrate; and an optical conversion unit disposed between the first electrode and the second electrode, wherein the second substrate and the second electrode include a cutting part penetrating the second substrate and the second electrode, the cutting part includes: a 1-1 cutting part and a 1-3 cutting part disposed to face each other in the second direction; a 1-2 cutting part disposed adjacent to the 1-1 cutting part and spaced apart from the 1-1 cutting part; and a 1-4 cutting part disposed adjacent to the 1-3 cutting part and spaced apart from the 1-3 cutting part, a 1-1 sealing part and a 1-3 sealing part are respectively disposed in the 1-Type: ApplicationFiled: July 23, 2021Publication date: July 20, 2023Inventors: Jin Gyeong PARK, Jong Sik LEE, Byung Sook KIM, Hyung Woo YANG
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Publication number: 20230194947Abstract: A light path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed below the second substrate; and a light conversion unit disposed between the first electrode and the second electrode, wherein the light conversion unit includes a partition wall part and an accommodation part which are alternately arranged, a sealing part is disposed on the outer surface of the light conversion unit, and the sealing part contains the same material as at least one among the first substrate and the second substrate.Type: ApplicationFiled: April 19, 2021Publication date: June 22, 2023Applicant: LG INNOTEK CO., LTD.Inventors: Jong Sik LEE, Byung Sook KIM, Jun LEE, Mun Yeong SON, Jin Gyeong PARK
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Publication number: 20230185152Abstract: A light path control member according to an embodiment comprises: a first substrate including an effective area and an ineffective area; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate and including an effective area and an ineffective area; a second electrode disposed under the second substrate; and a light conversion unit disposed between the first electrode and the second electrode. The light conversion unit includes an alternating arrangement of partition wall parts and reception parts. A first hole passing through the first substrate is formed in at least one of the effective area or the ineffective area of the first substrate. A second hole passing through the first substrate is formed in at least one of the effective area or the ineffective area of the second substrate. A first connection electrode is disposed in the first hole, and a second connection electrode is disposed in the second hole.Type: ApplicationFiled: April 15, 2021Publication date: June 15, 2023Applicant: LG INNOTEK CO., LTD.Inventors: Jin Gyeong PARK, Byung Sook KIM, Jong Sik LEE
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Publication number: 20230132725Abstract: An optical path control member according to an embodiment includes: a first substrate on which a first direction and a second direction are defined; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate and defining the first direction and the second direction; a second electrode disposed under the second substrate; a light conversion part disposed between the first electrode and the second electrode; an adhesive layer disposed between the first electrode and the light conversion part, and a cutting region formed by removing the second substrate, the second electrode, and the light conversion part, wherein the cutting region includes a first cutting region and a second cutting region that extend in a length direction of the first direction and are disposed to face each other in the second direction, the first cutting region and the second cutting region include a first region in which the adhesive layer is formed and a second region formed by partially or entireType: ApplicationFiled: November 3, 2022Publication date: May 4, 2023Inventors: Jin Gyeong PARK, Byung Sook KIM, Jong Sik LEE
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Publication number: 20230077281Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the upper part of the first substrate; a second substrate disposed on the first substrate; a second electrode disposed on the lower part of the second substrate; and an optical conversion unit disposed between the first electrode and the second electrode. The optical conversion unit includes partition wall portions and receiving portions that are alternately disposed. The receiving portions change optical transmittance in response to the application of voltage, and include a dispersion and optical conversion particles dispersed in the dispersion. The refractive index ratio of the partition wall portions and the receiving portions is 1:0.95 to 1:1.05.Type: ApplicationFiled: January 12, 2021Publication date: March 9, 2023Inventors: Young Ju HAN, Byung Sook KIM, Hyeon Ji HONG, Won Seok CHOI, Jin Gyeong PARK
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Publication number: 20230040154Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the upper part of the first substrate; a second substrate disposed on the first substrate; a second electrode disposed on the lower part of the second substrate; and a light conversion unit disposed between the first electrode and the second electrode. The light conversion unit includes a partition wall portion and a receiving portion that are alternately disposed. The receiving portion changes light transmittance according to the application of voltage. The partition wall portion includes a base partition wall portion and a separating partition wall portion. A plurality of pores are disposed in at least one of the base partition wall portion or the separating partition wall portion. The density per unit area of partition material in the separating partition wall portion is less than the density per unit area of partition material in the base partition wall portion.Type: ApplicationFiled: January 11, 2021Publication date: February 9, 2023Inventors: Jin Gyeong PARK, Byung Sook KIM, Won Seok CHOI
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Publication number: 20220397801Abstract: An optical path control member, according to one embodiment, comprises: a first substrate; a first electrode disposed on the upper surface of the first substrate; a second substrate disposed above the first substrate; a second electrode disposed on the lower surface of the second substrate; and a light conversion unit disposed between the first electrode and the second electrode, wherein the light conversion unit comprises a partition wall part and an accommodation part which are alternately arranged. The accommodation part: has a light transmittance that varies according to the application of a voltage; comprises a dispersion liquid and a plurality of light-absorbing particles dispersed in the dispersion liquid; and has at least one protrusion part arranged therein. The protrusion part: makes contact with the partition wall part; and is extendedly arranged in a direction different from the extending direction of the partition wall part.Type: ApplicationFiled: September 21, 2020Publication date: December 15, 2022Inventors: Jin Gyeong PARK, Byung Sook KIM, Hyeon Ji HONG, Mun Yeong SON
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Publication number: 20220373852Abstract: An electrophoretic particle according to an embodiment contains carbon black, and the electrophoretic particle comprises: a core portion; and a shell portion disposed to surround the outer surface of the core portion, wherein a protrusion portion is formed on the surface of the core portion, the core portion has a chromaticity index of 2 or less, the core portion has a light absorption rate of 90% to 99%, and the particle diameter of the electrophoretic particles is 50 nm to 800 nm.Type: ApplicationFiled: September 14, 2020Publication date: November 24, 2022Inventors: Jin Gyeong PARK, Byung Sook KIM, Moo Seong KIM, Jeung Ook PARK
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Publication number: 20220359804Abstract: A thermoelectric element according to one embodiment of the present disclosure includes a first substrate, a first insulating layer disposed on the first substrate, a second insulating layer disposed on the first insulating layer, a first electrode disposed on the second insulating layer, and a semiconductor structure disposed on the first electrode, wherein the first insulating layer includes an uneven portion, a partial region of the first electrode is buried in the second insulating layer, the second insulating layer includes a concave portion which is concave in a direction toward the first insulating layer from a side surface of the first electrode, and the concave portion vertically overlaps the uneven portion.Type: ApplicationFiled: June 17, 2020Publication date: November 10, 2022Applicant: LG INNOTEK CO., LTD.Inventors: Myoung Lae ROH, Jin Gyeong PARK, Yong Sang CHO
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Publication number: 20220342273Abstract: An optical path control member, according to an embodiment, comprises: a first substrate; a first electrode disposed on an upper surface of the first substrate; a second substrate disposed on the first substrate; a second electrode disposed on a lower surface of the second substrate; and an optical conversion unit disposed between the first electrode and the second electrode, wherein the optical conversion unit includes partition wall parts and accommodation parts which are alternately disposed, the accommodation parts have a light transmission rate that varies according to the application of voltage, and comprise dispersion liquids and optical conversion particles dispersed in the dispersion liquids, the optical conversion particles include first particles and second particles, each of the second particles has a hollow formed therein, and each surface of the first particles and each surface of the second particles are charged with the same polarity.Type: ApplicationFiled: September 3, 2020Publication date: October 27, 2022Inventors: Mun Yeong SON, Byung Sook KIM, Jin Gyeong PARK, Jong Sik LEE