Patents by Inventor Chan-Jae Park
Chan-Jae 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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Publication number: 20220208941Abstract: A display device includes a display panel including a plurality of pad electrodes, a driving member attached to the display panel and including a plurality of bumps facing the plurality of pad electrodes, respectively, a plurality of conductive particles interposed between the display panel and the driving member, and a plurality of alignment electrodes separated from the plurality of pad electrodes and the plurality of bumps, where an opening is defined in at least one of a pad electrode of the plurality of pad electrodes and a bump of the plurality of bumps includes an opening, and an alignment electrode of the plurality of alignment electrodes is disposed in the opening.Type: ApplicationFiled: December 30, 2021Publication date: June 30, 2022Inventors: Sang Duk LEE, Mi Sun KIM, Min Soo KIM, Yoon A. KIM, Chan Jae PARK, Sun Ok OH, Ki Kyung YOUK, Hyun A. LEE, Chel Gou LIM, Soo Yeon HAN
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Publication number: 20220208940Abstract: A display device includes a substrate including an active area having pixels and a non-active area including a pad region. A pad electrode is disposed in the pad region and includes a first pad electrode and a second pad electrode disposed on the first pad electrode. A first insulating pattern is interposed between the first and second pad electrodes. In a plan view, the first insulating pattern is positioned inside the first pad electrode, and a portion of the second pad electrode overlapping the first insulating pattern protrudes further from the substrate in a thickness direction than a portion of the second pad electrode not overlapping the first insulating pattern. The second pad electrode directly contacts a portion of the upper surface of the first pad electrode. In a plan view, an area of the second pad electrode is greater than an area of the first pad electrode.Type: ApplicationFiled: December 29, 2021Publication date: June 30, 2022Inventors: Ki Kyung YOUK, Chan Jae PARK, Min Soo KIM, Yoon A KIM, Sang Duk LEE, Chel Gou LIM
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Patent number: 11315464Abstract: The present invention relates to a display device. Specifically, a display device according to an embodiment of the present invention includes pixels and a data driver, wherein each of the pixels includes a first light-emitting diode aligned in a first direction; a first pixel circuit for driving the first light-emitting diode; a second light-emitting diode aligned in a second direction; and a second pixel circuit for driving the second light-emitting diode, and wherein the data driver supplies a first data signal to the first pixel circuit, and supplies a second data signal to the second pixel circuit during one frame period.Type: GrantFiled: November 3, 2020Date of Patent: April 26, 2022Assignee: Samsung Display Co., Ltd.Inventors: Haeng Won Park, Chan Jae Park, Seok Hyun Nam, Jin Ho Cho
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Publication number: 20220059640Abstract: A display device includes a substrate; pad electrodes disposed on the substrate and spaced apart from one another; a driving member including bumps, which overlap the pad electrodes in a thickness direction of the substrate and are spaced apart from one another; conductive members disposed between the pad electrodes and the bumps to electrically connect the pad electrodes and the bumps; and non-conductive members disposed adjacent to the pad electrodes, the bumps, and the conductive members, wherein the conductive members and the non-conductive members include different materials, each of the conductive members includes a first side surface that faces a corresponding one of the non-conductive members, each of the non-conductive members include a second side surface that faces a corresponding one of the conductive members, and a part of the first side surface and a part of the second side surface directly contact one another.Type: ApplicationFiled: August 12, 2021Publication date: February 24, 2022Applicant: Samsung Display Co., LTD.Inventors: Chan Jae PARK, Atsushi NEMOTO, Tae Ho LEE
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Publication number: 20220055313Abstract: An ultrasonic bonding apparatus includes a stage having an upper surface on a plane defined by a first direction and a second direction crossing the first direction, a head part spaced apart from the stage in a third direction crossing the first direction and the second direction, a first ultrasonic generator which vibrates in a direction parallel to the first direction, and a second ultrasonic generator which vibrates in a direction parallel to the third direction, where each of the first ultrasonic generator and the second ultrasonic generator may be coupled to the stage or the head part.Type: ApplicationFiled: July 29, 2021Publication date: February 24, 2022Inventors: CHAN-JAE PARK, MINSOO KIM, YOONA KIM, SOO YEON HAN, SUNOK OH, KIKYUNG YOUK, SANGDUK LEE, HYUN A LEE
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Publication number: 20220028962Abstract: A display device includes: a first conductive layer including a signal line, which includes a pad contact part and a line part having a smaller width than the pad contact part along a first direction and extending from the pad contact part in a second direction that intersects the first direction, and a first non-contact pattern, which is spaced apart from the pad contact part, on a first side along the first direction; an insulating layer on the first conductive layer and including a contact hole that partially exposes the first conductive layer; and a second conductive layer on the insulating layer and including a first pad electrode, which is electrically connected to the first conductive layer through the contact hole, wherein the first pad electrode overlaps with the pad contact part and the first non-contact pattern.Type: ApplicationFiled: July 7, 2021Publication date: January 27, 2022Inventors: Chan Jae PARK, Sang Duk LEE, Sun Ok OH, Ki Kyung YOUK, Hyun A LEE, Soo Yeon HAN
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Publication number: 20220013517Abstract: A display panel having a display region and a non-display region, the display panel includes: a substrate having at least one first opening; an electronic component disposed on the substrate; a plurality of pads disposed in the non-display region and including a first pad and a second pad are spaced apart from each other in a first direction with the at least one first opening therebetween; and an adhesive layer disposed between the substrate and the electronic component and overlapping the at least one first opening.Type: ApplicationFiled: July 1, 2021Publication date: January 13, 2022Inventors: HYUN A LEE, SUNOK OH, KIKYUNG YOUK, CHAN-JAE PARK, SANGDUK LEE, SOO YEON HAN
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Publication number: 20210336088Abstract: A pixel includes a first electrode and a second electrode spaced from each other in a first direction on a substrate; a plurality of light emitting elements between the first electrode and the second electrode; an intermediate pattern located between the first electrode and the second electrode in the first direction and located between the substrate and the plurality of light emitting elements in a thickness direction of the substrate; a first contact electrode electrically connecting one end portion of each of the light emitting elements and the first electrode; and a second contact electrode electrically connecting an other end portion of each of the light emitting elements and the second electrode.Type: ApplicationFiled: December 15, 2020Publication date: October 28, 2021Inventors: Chan Jae Park, Haeng Won Park, Sang Duk Lee
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Publication number: 20210319736Abstract: The present invention relates to a display device. Specifically, a display device according to an embodiment of the present invention includes pixels and a data driver, wherein each of the pixels includes a first light-emitting diode aligned in a first direction; a first pixel circuit for driving the first light-emitting diode; a second light-emitting diode aligned in a second direction; and a second pixel circuit for driving the second light-emitting diode, and wherein the data driver supplies a first data signal to the first pixel circuit, and supplies a second data signal to the second pixel circuit during one frame period.Type: ApplicationFiled: November 3, 2020Publication date: October 14, 2021Inventors: HAENG WON PARK, Chan Jae Park, Seok Hyun Nam, Jin Ho Cho
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Patent number: 11135779Abstract: An ultrasonic bonding apparatus includes a stage on which a display panel is seated, a first ultrasonic generation unit which is connected to the stage and vibrates in a first direction and provide a first polarization, and a second ultrasonic generation unit in which an electronic component is seated and which vibrates in a second direction that is crossed with the first direction, and provides a second polarization, where a third polarization is provided on a plane on which the display panel contacts the electronic component.Type: GrantFiled: May 29, 2020Date of Patent: October 5, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun a Lee, Chan-Jae Park, Heeju Woo, Kikyung Youk, Sangduk Lee, Daehwan Jang
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Publication number: 20210223818Abstract: An adhesive member is between an electronic component and an electronic panel that are connected to each other through the adhesive member. The adhesive member has a second surface and a first surface. The adhesive member includes a first recess pattern recessed from the first surface and a second recess pattern recessed from the first surface. The second recess pattern is spaced apart in a first direction from the first recess pattern. A sum of a planar area of the first recess pattern and a planar area of the second recess pattern ranges from about 20 percent (%) to about 70% of a planar area of the first surface.Type: ApplicationFiled: September 14, 2020Publication date: July 22, 2021Inventors: Daehwan JANG, Hyun a LEE, Chan-Jae PARK, SUNOK OH, Kikyung YOUK, Sangduk LEE
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Publication number: 20210151543Abstract: A method for manufacturing a display device includes providing an electronic component between a plurality of bumps, providing a display panel, aligning the electronic component and the display panel, and applying ultrasonic waves to bond the plurality of bumps to signal pads. In providing first adhesive members, at least a portion of a top surface of each of the plurality of bumps is exposed between the first adhesive members.Type: ApplicationFiled: July 31, 2020Publication date: May 20, 2021Inventors: Chan-Jae PARK, Sangduk LEE, Heeju WOO, Kikyung YOUK, Hyun a LEE, Daehwan JANG
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Publication number: 20210094238Abstract: An ultrasonic bonding apparatus includes a stage on which a display panel is seated, a first ultrasonic generation unit which is connected to the stage and vibrates in a first direction and provide a first polarization, and a second ultrasonic generation unit in which an electronic component is seated and which vibrates in a second direction that is crossed with the first direction, and provides a second polarization, where a third polarization is provided on a plane on which the display panel contacts the electronic component.Type: ApplicationFiled: May 29, 2020Publication date: April 1, 2021Inventors: Hyun a LEE, Chan-Jae PARK, Heeju WOO, Kikyung YOUK, Sangduk LEE, Daehwan JANG
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Publication number: 20210043600Abstract: A display device includes a display panel including a display area and a non-display area defined therein and including a plurality of signal pads overlapping the non-display area, an electronic component including a base layer with an upper surface and a lower surface, a plurality of driving pads disposed on the lower surface of the base layer, and a plurality of driving bumps respectively disposed on the plurality of driving pads, the plurality of driving bumps being respectively connected to the signal pads, and a filler disposed between the display panel and the electronic component. A first hole is defined in the upper surface of the base layer, and the first hole does not overlap the plurality of driving bumps in a plan view.Type: ApplicationFiled: July 30, 2020Publication date: February 11, 2021Inventors: Chan-Jae Park, Kikyung Youk, Sangduk Lee, Hyun a Lee, Daehwan Jang
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Patent number: 10656310Abstract: An optical film is provided. The optical film includes a base film and a cover film. The base film includes a base member and a plurality of lens patterns disposed on the base member. The plurality of lens patterns protrudes from the base member and extends in a first direction. The cover film is disposed on the base film to cover the base member and the plurality of lens patterns. A refractive index of at least one of the lens patterns is smaller than a refractive index of the cover film. An aspect ratio of the at least one of the lens patterns ranges from 0.8 to 1.6.Type: GrantFiled: May 8, 2019Date of Patent: May 19, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung Hwan Chung, Ju Youn Son, Joong Hyun Kim, Chan Jae Park
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Publication number: 20190265392Abstract: An optical film is provided. The optical film includes a base film and a cover film. The base film includes a base member and a plurality of lens patterns disposed on the base member. The plurality of lens patterns protrudes from the base member and extends in a first direction. The cover film is disposed on the base film to cover the base member and the plurality of lens patterns. A refractive index of at least one of the lens patterns is smaller than a refractive index of the cover film. An aspect ratio of the at least one of the lens patterns ranges from 0.8 to 1.6.Type: ApplicationFiled: May 8, 2019Publication date: August 29, 2019Inventors: SEUNG HWAN CHUNG, JU YOUN SON, JOONG HYUN KIM, CHAN JAE PARK
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Patent number: 10386561Abstract: A display device including a backlight unit and a display panel disposed on the backlight unit. The backlight unit includes a light guide plate, a wavelength conversion layer, and a cover member. The light source unit is disposed adjacent to a surface of the light guide plate. The wavelength conversion layer is disposed between the light source unit and the light guide plate, and contacts the surface of the light guide plate. The cover member is disposed between the light source unit and the light guide plate, and seals the wavelength conversion layer.Type: GrantFiled: May 5, 2016Date of Patent: August 20, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chan-jae Park, Seunghwan Baek, Sangduk Lee
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Patent number: 10371880Abstract: A display device includes a backlight unit and a display panel disposed on the backlight unit. The backlight unit includes a light source unit and an optical unit disposed between the light source unit and the display panel. The optical unit includes an alignment layer, quantum rods disposed on the alignment layer, and an accommodation part configured to accommodate the alignment layer and the quantum rods.Type: GrantFiled: March 20, 2017Date of Patent: August 6, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chan-jae Park, Taeho Lee, Hyun-hwa Song, Seunghwan Baek
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Patent number: 10234621Abstract: A display device includes a first display panel including a display surface defined by first and second directions, a second display panel spaced apart from the first display panel in a third direction perpendicular to the display surface, and a backlight unit disposed between the first and second display panels to provide a light to the first and second display panels. The backlight unit includes a light emitting element, a first exit light guide plate, a second exit light guide plate spaced apart from the first exit light guide plate, a first light-division light guide member, and a second light-division light guide member.Type: GrantFiled: May 18, 2016Date of Patent: March 19, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chan-jae Park, Hyun-hwa Song, Seunghwan Baek
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Patent number: 10082621Abstract: A display apparatus includes a display panel displaying an image by using light, light source units arranged in a first direction to generate the light, a light guide plate which guides the light to the display panel, a first fixing member fixing a predetermined area of an upper portion of each of the plurality of light source units to a first area of one side surface of the light guide plate adjacent to a top surface of the light guide plate in a second direction crossing the first direction, and a second fixing member fixing a predetermined area of a lower portion of each of the plurality of light source units to a second area of the one side surface of the light guide plate adjacent to a bottom surface of the light guide plate in the second direction where each of the first and second fixing members includes a light reflection material.Type: GrantFiled: August 4, 2016Date of Patent: September 25, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chan-jae Park, Junwoo You, Taeho Lee, Byoungdae Ye