Patents by Inventor Eun-Ju Kim
Eun-Ju 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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Patent number: 11499696Abstract: A light emitting module including a substrate, a light emitting device disposed on the substrate, and a lens disposed above the light emitting device to disperse light, the lens including a light incident portion through which light emitted from the light emitting device enters the lens and a light exit portion through which the light exits the lens, in which each of the light incident portion and the light exit portion has a major axis and a minor axis in plan view, the major axis of the light incident portion is disposed at a right angle with respect to the major axis of the light exit portion, the lens includes a plurality of legs formed on a lower surface of the lens to support the lens, and at least one of the legs includes a leg protrusion protruding downwards from a lower surface thereof.Type: GrantFiled: May 31, 2021Date of Patent: November 15, 2022Assignee: Seoul Semiconductor Co., Ltd.Inventors: Jae Eun Park, Eun Ju Kim
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Patent number: 11468845Abstract: A scan driver including a stage that includes: an input circuit controlling a voltage of a first node in response to signals at first and second input terminals; a first signal processing circuit controlling a voltage of a second node in response to the signal at the first input terminal and supplies a voltage of a first power to the second node in response to the signal at the second input terminal; a second signal processing circuit supplying a voltage of a second power to the first node in response to a signal at a third input terminal and the voltage of the second node; a first output circuit outputting the signal at the third input terminal as a first scan signal; and a second output circuit outputting a signal at a fourth input terminal as a second scan signal at a different time from the first scan signal.Type: GrantFiled: February 10, 2021Date of Patent: October 11, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung Hwan Kim, Eun Ju Kim
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Patent number: 11462663Abstract: A light emitting diode including a circuit board, at least one light emitting diode chip disposed on the circuit board, the light emitting diode chip including a substrate, a light emitting structure disposed under the substrate and including a first conductivity type semiconductor layer and a second conductivity type semiconductor layer, a transparent electrode layer disposed on a lower surface of the light emitting structure, first and second electrode pads electrically connected to the first and second conductivity type semiconductor layers, respectively, a reflective layer covering at least part of the lower surface of the light emitting structure, a reflective member covering an upper surface of the light emitting diode chip and including at least one of a distributed Bragg reflector (DBR) and metal, and a light transmitting resin surrounding the light emitting diode chip and the reflective member on the circuit board.Type: GrantFiled: December 3, 2020Date of Patent: October 4, 2022Assignee: Seoul Semiconductor Co., Ltd.Inventor: Eun Ju Kim
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Publication number: 20220244599Abstract: A display apparatus including a frame, light emitting diode chips separated from each other and regularly arranged in a matrix on the frame, an optical part including a display panel and at least one of a phosphor sheet and an optical sheet, a light guide plate disposed between the frame and the optical part to cover the light emitting diode chips, at least one reflector disposed between the frame and the light guide plate to reflect at least part of light emitted from the light emitting diode chip to direct at least part of light emitted therefrom to the light guide plate, and a first-type electrode and a second-type electrode, in which at least one of the light emitting diode chips is a flip-chip type and includes a first-type semiconductor layer electrically connected to the first-type electrode and a second-type semiconductor layer electrically connected to the second-type electrode.Type: ApplicationFiled: April 7, 2022Publication date: August 4, 2022Inventor: Eun Ju KIM
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Publication number: 20220223575Abstract: A display device and a method for manufacturing same are provided. A display device comprises: a first electrode; a second electrode arranged to be spaced apart from and face the first electrode; a first insulation pattern having at least partial region arranged to overlap the first electrode and having a first side surface spaced apart from a first end portion of the first electrode; a second insulation pattern having at least a partial region arranged to overlap the second electrode and having a second side surface spaced apart from a second end portion of the second electrode facing the first end portion, the second side surface facing the first side surface; at least one uneven pattern provided on the first insulation pattern and the second insulation pattern; and at least one light-emitting element provided between the first insulation pattern and the second insulation pattern and having opposite end portions that are electrically connected to the first electrode and the second electrode, respectively.Type: ApplicationFiled: February 5, 2020Publication date: July 14, 2022Applicant: Samsung Display Co., LTD.Inventors: Eun Ju KIM, Yun Mi CHOI, Jun Youg KIM
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Publication number: 20220113003Abstract: A lens including a light entering part having a concave shape in a lower region of the lens, and on which light emitted from a light emitting device is to be incident, and a light exiting part through which the incident light is emitted to an outside of the lens, in which each of the light entering part and the light exiting part has a major axis and a minor axis in plan view, and the major axis of the light entering part is orthogonal to the major axis of the light exiting part, the light entering part includes a light incident vertical surface extending from a lower surface of the lens, and a light incident inclined surface extending upward from the light incident vertical surface, and the light incident vertical surface surrounds the light emitting device.Type: ApplicationFiled: October 21, 2021Publication date: April 14, 2022Inventors: Eun Ju KIM, Jae Eun Park
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Patent number: 11300830Abstract: A display apparatus including a frame, a plurality of LEDs regularly arranged on the frame, an optical part disposed on the LEDs and including a display panel and at least one of a phosphor sheet and an optical sheet, and a light guide plate disposed between the frame and the optical part to cover the LEDs, in which the LEDs are arranged in a matrix to be separated from each other at a constant interval, each of the LEDs includes a light emitting diode chip and a reflector disposed on an upper surface of the light emitting diode chip and contacting the upper surface of the light emitting diode chip, the reflector being configured to reflect at least part of light emitted from the light emitting diode chip.Type: GrantFiled: September 1, 2020Date of Patent: April 12, 2022Assignee: Seoul Semiconductor Co., Ltd.Inventor: Eun Ju Kim
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Publication number: 20220047764Abstract: A sterilization apparatus includes a main body, and a plurality of sterilization modules. The main body defines a sterilization space for sterilization of a sterilization target. The sterilization modules are disposed on a plurality of inner surfaces of the main body surrounding the sterilization space, respectively, and deliver germicidal light to the sterilization space. In addition, the sterilization module includes a support member and a plurality of light sources. A space between adjacent light sources disposed in some regions of the support member is different from a space between adjacent light sources disposed in the other regions of the support member.Type: ApplicationFiled: August 12, 2021Publication date: February 17, 2022Applicant: SEOUL VIOSYS CO., LTD.Inventors: Eun Ju KIM, Chung Hoon LEE, Jae Young CHOI
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Publication number: 20220037562Abstract: A light emitting element includes an emission stacked pattern and an insulating film. The emission stack pattern includes a first conductive semiconductor layer, an active layer disposed on the first conductive semiconductor layer, and a second conductive semiconductor layer disposed on the active layer. The insulating film surrounds an outer surface of the emission stacked pattern and has a non-uniform thickness.Type: ApplicationFiled: June 20, 2019Publication date: February 3, 2022Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Su Mi MOON, Eun Ju KIM, Hyun Min CHO
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Publication number: 20220013078Abstract: A scan driver including a stage that includes: an input circuit controlling a voltage of a first node in response to signals at first and second input terminals; a first signal processing circuit controlling a voltage of a second node in response to the signal at the first input terminal and supplies a voltage of a first power to the second node in response to the signal at the second input terminal; a second signal processing circuit supplying a voltage of a second power to the first node in response to a signal at a third input terminal and the voltage of the second node; a first output circuit outputting the signal at the third input terminal as a first scan signal; and a second output circuit outputting a signal at a fourth input terminal as a second scan signal at a different time from the first scan signal.Type: ApplicationFiled: February 10, 2021Publication date: January 13, 2022Inventors: Sung Hwan KIM, Eun Ju KIM
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Patent number: 11221509Abstract: One or more embodiments of the present invention are directed to a liquid crystal display including: a first substrate and a second substrate facing each other; a first color pixel area, a second color pixel area, a third color pixel area, and a white pixel area on any one of the first substrate and the second substrate; and a liquid crystal layer between the first substrate and the second substrate. A first color filter is disposed in each of the first color pixel area and the white pixel area, and each of the first, second, third, and white pixel areas includes a plurality of domains, each two adjacent domains having a boundary between them, and the first color filter is disposed at at least one of the boundaries between the domains in the white pixel area.Type: GrantFiled: May 14, 2020Date of Patent: January 11, 2022Assignee: Samsung Display Co., Ltd.Inventors: Seok Kyu Yoon, Eun Ju Kim, Hyung June Kim, Byoung Sun Na, Sung Jae Park, Yun Seok Lee, Ik Soo Lee, Jun Pyo Lee, Wan-Soon Im, Jong Hak Hwang
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Publication number: 20210408108Abstract: A pixel in accordance with an embodiment may include: a first electrode; a second electrode spaced from the first electrode; a plurality of light emitting elements arranged between the first electrode and the second electrode and including at least one first light emitting element; a first contact electrode on the first electrode and electrically connected to the first electrode and first ends of at least some of the plurality of light emitting elements; a second contact electrode on the second electrode and electrically connected to the second electrode and second ends of at least some of the plurality of light emitting elements; and at least one first conductive pattern between the at least one first light emitting element and the first contact electrode, and configured to electrically connect a first end of a corresponding first light emitting element to the first contact electrode.Type: ApplicationFiled: March 14, 2019Publication date: December 30, 2021Inventors: Jin Oh KWAG, Sung Hoon KIM, Eun Ju KIM
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Patent number: 11199307Abstract: A lens including a light entering part having a concave shape in a lower region of the lens, and on which light emitted from a light emitting device is to be incident, and a light exiting part through which the incident light is emitted to the outside, in which each of the light entering part and the light exiting part has a major axis and a minor axis in plan view, and the major axis of the light entering part is orthogonal to the major axis of the light exiting part, and the light entering part includes a light incident vertical surface extending from a lower surface of the lens and a light incident inclined surface extending upward from the light incident vertical surface.Type: GrantFiled: July 8, 2019Date of Patent: December 14, 2021Assignee: Seoul Semiconductor Co., Ltd.Inventors: Eun Ju Kim, Jae Eun Park
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Patent number: 11143913Abstract: A display apparatus and a backlight unit thereof. The display apparatus includes: a frame; a plurality of light emitting diodes regularly arranged on the frame; an optical part disposed above the plurality of light emitting diodes and including a display panel and at least one of a phosphor sheet and an optical sheet; and a light guide plate disposed between the frame and the optical part to cover the plurality of light emitting diodes, wherein the light guide plate is formed with light source grooves placed corresponding to locations of the plurality of light emitting diodes, respectively, such that light emitted from each of the light emitting diodes enters the corresponding light source groove to spread light in a lateral direction when the light enters the light guide plate, thereby enabling use of a direct type backlight unit without a separate lens.Type: GrantFiled: November 10, 2017Date of Patent: October 12, 2021Assignee: Seoul Semiconductor Co., Ltd.Inventor: Eun Ju Kim
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Patent number: 11142472Abstract: The present invention is an aquifer storage and recovery system using a natural coagulant, in which in purifying raw water through aquifer storage and recovery, assimilable organic carbon (AOC) included in the raw water is effectively removed using a natural coagulant produced in the aquifer storage and recovery process, thereby reducing the time required to purify raw water by aquifer storage and recovery.Type: GrantFiled: November 8, 2019Date of Patent: October 12, 2021Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Seong Pil Jeong, Kyungjin Cho, Jae Woo Choi, Seok Won Hong, Seunghak Lee, Eun-Ju Kim, Jae Shik Chung, Hien Thi Nguyen, Youngjae Kim
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Publication number: 20210208329Abstract: A display apparatus including a display panel, a light source unit configured to provide light to the display panel, and a light guide member disposed between the display panel and the light source unit and covering the light source unit such that the light source unit is buried in the light guide member, the light guide member having a surface roughness on an upper surface thereof to diffuse light and including a substrate, and a light emitting device disposed on the substrate and including a blocking pattern to have an intensity of light emitted in an upward direction to be equal to or less than about 80% of a maximum light intensity of the light emitting device.Type: ApplicationFiled: March 7, 2021Publication date: July 8, 2021Inventors: Seung Ri CHOI, Eun Ju KIM, Hee Soo LIM
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Patent number: 11056046Abstract: A display device includes: a data line; a first scan line configured to sequentially receive a first scan pulse and a second scan pulse, each of which has a turn-on level; an emission line configured to sequentially receive a first emission pulse, a second emission pulse, a third emission pulse, and a fourth emission pulse, each of which has a turn-on level; and a pixel configured to receive the data signal according to the first and second scan pulses, the pixel being further configured to emit light based on the received data signal according to the first to fourth emission pulses, wherein the first emission pulse is generated before the first scan pulse, the second emission pulse and the third emission pulse are generated in a period between the first scan pulse and the second scan pulse, and the fourth emission pulse is generated after the second scan pulse.Type: GrantFiled: November 14, 2019Date of Patent: July 6, 2021Assignee: Samsung Display Co., Ltd.Inventors: Min Ku Lee, Ji Hyun Ka, Eun Ju Kim, Kwang Sae Lee
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Publication number: 20210199878Abstract: A display apparatus including a frame, a plurality of LEDs regularly arranged on the frame, an optical part disposed on the LEDs and including a display panel and at least one of a phosphor sheet and an optical sheet, and a light guide plate disposed between the frame and the optical part to cover the LEDs, in which the LEDs are arranged in a matrix to be separated from each other at a constant interval, each of the LEDs includes a light emitting diode chip and a reflector disposed on an upper surface of the light emitting diode chip and contacting the upper surface of the light emitting diode chip, the reflector being configured to reflect at least part of light emitted from the light emitting diode chip.Type: ApplicationFiled: September 1, 2020Publication date: July 1, 2021Inventor: Eun Ju KIM
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Publication number: 20210196610Abstract: The present invention relates to a composition comprising adiponectin-derived peptide fragments and, more specifically, to a cosmetic composition and pharmaceutical composition for promoting hair growth comprising, as an active ingredient, one or more adiponectin-derived peptides selected from the group consisting of amino acid sequences of SEQ ID NOS: 1 to 21. The adiponectin-derived peptides activate the cell division of dermal papilla cells and outer root sheath cells of hair follicles, promote hair growth in the hair follicles, and also increase the expression of hair growth factors in the dermal papilla cells, and thus a composition of the present invention comprising the adiponectin-derived peptides can be effectively used to promote hair growth and inhibit hair loss.Type: ApplicationFiled: September 3, 2018Publication date: July 1, 2021Applicant: JUNGJINHO EFFECT INC.Inventors: Jin Ho CHUNG, Oh Sang KWON, Eun Ju KIM, Jin Yong KIM, Dong Hun LEE
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Publication number: 20210132440Abstract: A display including a backlight unit including a circuit board, light emitting devices arranged on the circuit board, and a combined optical sheet disposed on the light emitting devices, and a display panel disposed on the backlight unit, in which each light emitting device includes a light emitting diode chip, a light transmitting resin covering an upper surface and a side surface of the light emitting diode chip, and a light blocking member covering an upper surface of the light transmitting resin, and the light emitting devices are mounted on the circuit board to be driven independently driven.Type: ApplicationFiled: November 11, 2020Publication date: May 6, 2021Inventor: Eun Ju Kim