Patents by Inventor Ki-Cheol Kim
Ki-Cheol Kim 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: 20210026473Abstract: A display device including a display member including a substrate having an active area and a non-active area, and light-emitting elements disposed on the substrate, the non-active area including a bending region, and a touch member disposed on the display member and having a main touch area, in which the touch member includes touch electrodes disposed in the main touch area and touch lines connected to the touch electrodes, the main touch area corresponding to the active area and a portion of the touch lines corresponding to the non-active area, the touch lines include a first touch line part disposed on an upper side of the bending region, and a second touch line part disposed on a lower side of the bending region, and a number of conductive layers forming the first touch line part is greater than a number of conductive layers forming the second touch line part.Type: ApplicationFiled: April 17, 2020Publication date: January 28, 2021Inventors: Ki Cheol KIM, Gyeong Nam Bang, Hwan Hee Jeong
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Publication number: 20210004110Abstract: A display device includes a first region including a display area. A second region of the display device includes a pad unit. A bending region is disposed between the first region and the second region. A plurality of signal wirings extends from the second region to the first region and crosses through the bending region. The plurality of signal wirings includes a plurality of touch signal wirings and a first power supply wiring. The plurality of touch signal wirings at least partially overlaps the first power supply wiring in the first region.Type: ApplicationFiled: September 17, 2020Publication date: January 7, 2021Inventors: HWAN HEE JEONG, KI CHEOL KIM
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Patent number: 10868088Abstract: A display device is provided. The display device includes a substrate including an active region in which a plurality of pixels are arranged; a first electrode layer disposed on the substrate and including a first electrode disposed in each pixel and an auxiliary electrode spaced apart from the first electrode and disposed along a boundary of each pixel; an intermediate layer disposed on the first electrode and including a light emitting layer; and a second electrode disposed on the intermediate layer, disposed in each pixel, and electrically connected to the auxiliary electrode; wherein a plurality of unit pixel groups, each including one or more pixels, are defined on the substrate, the respective second electrodes of the pixels belonging to each unit pixel group are electrically connected to each other by the auxiliary electrode, and the auxiliary electrodes belonging to different unit pixel groups are electrically separated from each other.Type: GrantFiled: January 13, 2020Date of Patent: December 15, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung Lyong Bok, Joon Gu Lee, Ki Cheol Kim
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Publication number: 20200357967Abstract: An embodiment provides a semiconductor device package and a light emitting device comprising same, the semiconductor device package comprising: a body including a first cavity; and a semiconductor device disposed within the first cavity, wherein: the first cavity includes a first surface inclined such that the area of the cavity gradually increases as going away from the semiconductor device, and a plurality of second surfaces perpendicular to the upper surface of the semiconductor device; the body includes a first outer surface and a third outer surface that are opposite to each other, a second outer surface and a fourth surface that are opposite to each other, a first corner portion disposed in a region where the first and second outer surfaces meet each other, a second corner portion disposed in a region where the second and third outer surfaces meet each other, a third corner portion disposed in a region where the third and fourth outer surfaces meet each other, and a fourth corner portion disposed in a rType: ApplicationFiled: February 1, 2019Publication date: November 12, 2020Inventors: Jung Hun OH, KI Cheol KIM, Kwang KI CHOI
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Patent number: 10802626Abstract: A display device includes a first region including a display area. A second region of the display device includes a pad unit. A bending region is disposed between the first region and the second region. A plurality of signal wirings extends from the second region to the first region and crosses through the bending region. The plurality of signal wirings includes a plurality of touch signal wirings and a first power supply wiring. The plurality of touch signal wirings at least partially overlaps the first power supply wiring in the first region.Type: GrantFiled: November 14, 2018Date of Patent: October 13, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hwan Hee Jeong, Ki Cheol Kim
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Publication number: 20200264715Abstract: A display device and a touch sensor, the display device including a first substrate in which a display area and a peripheral area around the display area are defined; an element layer which is located on the first substrate and comprises a first light emitting element located in the display area and a second light emitting element at least partially located in the peripheral area; and a touch sensor which is located on the element layer. The touch sensor includes: a touch electrode portion which is located in the display area and overlaps the first light emitting element; a touch signal line which is located in the peripheral area and is connected to the touch electrode portion; and a light transmission control pattern portion which is located in the peripheral area, overlaps the second light emitting element, and extends along a boundary between the display area and the peripheral area.Type: ApplicationFiled: January 1, 2020Publication date: August 20, 2020Inventors: Tae Yong EOM, Ki Cheol KIM, Jae Yoon CHANG, Won Kyu KWAK, Young Bae JUNG
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Publication number: 20200266246Abstract: A display device is provided. The display device includes a substrate including an active region in which a plurality of pixels are arranged; a first electrode layer disposed on the substrate and including a first electrode disposed in each pixel and an auxiliary electrode spaced apart from the first electrode and disposed along a boundary of each pixel; an intermediate layer disposed on the first electrode and including a light emitting layer; and a second electrode disposed on the intermediate layer, disposed in each pixel, and electrically connected to the auxiliary electrode; wherein a plurality of unit pixel groups, each including one or more pixels, are defined on the substrate, the respective second electrodes of the pixels belonging to each unit pixel group are electrically connected to each other by the auxiliary electrode, and the auxiliary electrodes belonging to different unit pixel groups are electrically separated from each other.Type: ApplicationFiled: January 13, 2020Publication date: August 20, 2020Inventors: SEUNG LYONG BOK, Joon Gu LEE, Ki Cheol KIM
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Patent number: 10746366Abstract: A light emitting device of an embodiment includes at least one light source; a wavelength conversion unit for converting the wavelength of excitation light so as to emit the excitation light having the converted wavelength as conversion light; a light transfer unit disposed on a light path between the at least one light source and the wavelength conversion unit for transferring the excitation light to the wavelength conversion unit; and a light-path controller moving at least a part of the light transfer unit so as to adjust at least one from among the direction and intensity of excitation light which enters the wavelength conversion unit.Type: GrantFiled: November 15, 2016Date of Patent: August 18, 2020Assignee: LG INNOTEK CO., LTD.Inventors: Chang Gyun Son, Ki Cheol Kim, Kang Yeol Park
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Publication number: 20200192514Abstract: A touch sensor, includes: a plurality of sensing rows, each of the plurality of sensing rows including first sensing electrodes connected in a first direction; and a plurality of sensing columns, each of the plurality of sensing columns including second sensing electrodes connected in a second direction crossing the first direction; first protrusions disposed at the first sensing electrodes, the first protrusions protruding toward an adjacent second sensing electrode; and first recesses disposed at the second sensing electrodes, the first recesses facing the first protrusions disposed at an adjacent first sensing electrode, wherein the first recesses have a shape corresponding to a shape of the first protrusions.Type: ApplicationFiled: February 21, 2020Publication date: June 18, 2020Inventors: Hwan Hee JEONG, Ki Cheol KIM, Sung Jae MOON
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Publication number: 20200124945Abstract: An embodiment of the present invention relates to a camera module and an optical device, comprising: a housing; a lens module disposed in the housing; a substrate disposed below the lens module; an image sensor disposed between the lens module and the substrate; and an optical element unit disposed between the lens module and the image sensor, wherein the optical element unit has an optical surface disposed at the top thereof, to which the light transmitted through the lens module is incident, comes in contact with a light receiving surface of the image sensor at the bottom thereof, and contains a material having a higher refractive index than air.Type: ApplicationFiled: March 16, 2018Publication date: April 23, 2020Applicant: LG INNOTEK CO., LTD.Inventors: Ki Cheol Kim, Eun Sung Seo, Ji Sung Kim, Chang Gyun Son
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Patent number: 10572045Abstract: A touch sensor may include a plurality of sensing rows including first sensing electrodes connected in a first direction, a plurality of sensing columns including second sensing electrodes connected in a second direction crossing the first direction, first protrusions disposed at an edge of the first sensing electrodes and protruding toward an adjacent second sensing electrode, a plurality of second protrusions disposed at an edge of the second sensing electrodes, protruding toward an adjacent first sensing electrode and alternately arranged with the first protrusions, first sub protrusions protruding toward an adjacent second protrusion from an edge of the first protrusions and second sub protrusions protruding toward an adjacent first protrusion from an edge of the second protrusions and alternately arranged with the first sub protrusions.Type: GrantFiled: October 30, 2017Date of Patent: February 25, 2020Assignee: Samsung Display Co., Ltd.Inventors: Hwan Hee Jeong, Ki Cheol Kim, Sung Jae Moon
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Patent number: 10564766Abstract: A touch sensor, a display device including the same, and a method for driving a touch sensor that includes a substrate, first connection lines to transmit first output signals, first electrodes disposed on the substrate connected to the first connection lines to transmit the first output signals to the first connection lines, second connection lines to transmit second output signals, second electrodes disposed on the substrate connected to the second connection lines to transmit the second output signals to the second connection lines, an auxiliary electrode spaced apart from the substrate, the auxiliary electrode forming a capacitance with the first electrodes and the second electrodes, and a touch controller connected to the first and second connection lines to receive the first and second output signals from the first and second connection lines, and to calculate a position and a pressure of a touch, using the first and second output signals.Type: GrantFiled: September 12, 2017Date of Patent: February 18, 2020Assignee: Samsung Display Co., Ltd.Inventors: Ki Cheol Kim, Yeon Tae Kim, Young Soo No, Hwan Hee Jeong, In Young Han
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Publication number: 20190377445Abstract: A display device includes a first region including a display area. A second region of the display device includes a pad unit. A bending region is disposed between the first region and the second region. A plurality of signal wirings extends from the second region to the first region and crosses through the bending region. The plurality of signal wirings includes a plurality of touch signal wirings and a first power supply wiring. The plurality of touch signal wirings at least partially overlaps the first power supply wiring in the first region.Type: ApplicationFiled: November 14, 2018Publication date: December 12, 2019Inventors: HWAN HEE JEONG, Ki Cheol Kim
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Publication number: 20190377438Abstract: A touch sensor includes a first area and a second area; first electrode units comprising a plurality of first touch electrodes arranged in a first direction and electrically connected to one another and located in the first area; second electrode units comprising a plurality of second touch electrodes arranged in a second direction and electrically connected to one another and located in the first area; and a first electrode pattern comprising a first portion located in the first area and electrically connected to one of the first electrode units that is adjacent thereto, and a second portion extended from the first portion to the second area, wherein a width of the first electrode pattern in the first direction is less than a width of the first touch electrodes in the first direction and is greater than half the width of the first touch electrodes.Type: ApplicationFiled: October 22, 2018Publication date: December 12, 2019Inventors: KI CHEOL KIM, HWAN HEE JEONG, Ml KYUNG SEO
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Publication number: 20190369787Abstract: A touch sensor includes: a plurality of first sensor electrodes, each including first sensor patterns extending in a first direction, and being arranged in a second direction; a plurality of second sensor electrodes, each including second sensor patterns extending in the second direction and being arranged in the first direction; an opening in a touch active region separated from the first and second sensor electrodes; a first connection pattern disposed around but not in the opening, the first pattern electrically connecting first opening sensor patterns of the first sensor patterns that are adjacent to respective portions of the opening in the second direction; first lines respectively connected to portions of the first sensor electrodes, the first lines extending to a periphery of the touch active region; and second lines respectively connected to portions of the second sensor electrodes, the second lines extending to the periphery of the touch active region.Type: ApplicationFiled: April 2, 2019Publication date: December 5, 2019Inventors: Jun Hyun PARK, Ki Cheol KIM
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Patent number: 10408421Abstract: A light emitting device apparatus of an embodiment comprises: a light source unit for emitting a plurality of excitation lights having linearity; a first reflection unit which reflects the plurality of excitation lights having linearity and incident to an incident direction parallel to an axis of symmetry, and collects the plurality of excitation lights to a focus position; and a wavelength conversion unit which is arranged on the focus position and transmits the plurality of excitation lights reflected and collected by the first reflection unit.Type: GrantFiled: December 21, 2015Date of Patent: September 10, 2019Assignee: LG INNOTEK CO, LTD.Inventors: Kang Yeol Park, Ki Cheol Kim, Chang Gyun Son
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Patent number: 10386977Abstract: A display device may include a first transistor, a light emitting device, a sensor capacitor, and an insulating layer. The light emitting device may be electrically connected to the first transistor and may include a pixel electrode, a common electrode, and a light-emitting member positioned between the pixel electrode and the common electrode. The sensor capacitor may include a first capacitor electrode, a second capacitor electrode, and a dielectric layer. The dielectric layer may be positioned between the first capacitor electrode and the second capacitor electrode, may directly contact both the first capacitor electrode and the second capacitor electrode, and may not emit light. The second capacitor electrode may be electrically connected to the common electrode. A face of the insulating layer may directly contact each of the pixel electrode and the first capacitor electrode.Type: GrantFiled: September 20, 2017Date of Patent: August 20, 2019Assignee: Samsung Display Co., , Ltd.Inventors: Young Soo No, Ki Cheol Kim, Yeon Tae Kim, Kyung Su Lee, Hwan-Hee Jeong, In Young Han
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Patent number: 10371337Abstract: A light-emitting apparatus includes a light source unit for emitting a first excitation light beam, a beam shape conversion unit for reflecting the first excitation light beam and outputting the reflected first excitation light beam as a second excitation light beam, and a driving unit for driving the light source unit, wherein the beam shape conversion unit includes a plurality of reflective surfaces having different reflection patterns, and the reflective surfaces are arranged in a direction that intersects the direction in which the first excitation light beam is incident.Type: GrantFiled: December 13, 2016Date of Patent: August 6, 2019Assignee: LG INNOTEK CO., LTD.Inventors: Kang Yeol Park, Ki Cheol Kim, Chang Gyun Son
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Patent number: 10344120Abstract: The present invention relates to an aliphatic-aromatic copolyester resin composition with excellent hydrolysis resistance, wherein an unsaturated compound or an anhydride thereof is introduced into a molecular structure, and specifically, the aliphatic-aromatic copolyester resin composition can be manufactured into all molded products by extrusion, injection and the like, by solving problems with respect to physical properties, processability, reaction rates and water solubility of conventional biological resins.Type: GrantFiled: November 28, 2011Date of Patent: July 9, 2019Assignee: GIO-SOLTECH CO., LTD.Inventors: Ki Cheol Kim, Jung Hyun Choi
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Patent number: 10288257Abstract: Embodiments provide a light-emitting apparatus including at least one light source configured to discharge excitation light that travels straight, and a reflector configured to reflect the excitation light, which travels straight and is introduced in an incidence direction, in an emission direction, which is opposite and parallel to the incidence direction.Type: GrantFiled: January 29, 2016Date of Patent: May 14, 2019Assignee: LG INNOTEK CO., LTD.Inventors: Kang Yeol Park, Ki Cheol Kim, Chang Gyun Son