Patents by Inventor Kang Yeol Park
Kang Yeol 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: 20240056669Abstract: A camera module according to an embodiment of the present invention includes a light emitting unit which emits light with a spot light pattern or flood light pattern to an object, and a light receiving unit which receives light reflected by the object, wherein the light emitting unit includes a light source including a plurality of emitters disposed at a predetermined pitch, a lens assembly disposed to be spaced apart from an upper end of the light source, and a driving module which changes a distance between the light source and the lens assembly by moving the lens assembly by a predetermined movement distance from a reference distance in an optical axis direction.Type: ApplicationFiled: February 15, 2021Publication date: February 15, 2024Inventor: Kang Yeol PARK
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Patent number: 11882263Abstract: A time of flight (ToF) camera according to embodiments of the present invention includes a light source unit including an infrared light-emitting device array and configured to generate a light signal; a lens unit disposed on the light source unit and including a plurality of lenses; and an adjustment unit configured to adjust the lens unit such that a light pattern of the light signal, which has passed through the lens unit, becomes a surface lighting or a spot lighting including a plurality of spot patterns, wherein the lens unit has a distortion aberration in the form of barrel distortion in which irradiance of the light pattern decreases in a direction away from a central portion.Type: GrantFiled: August 28, 2020Date of Patent: January 23, 2024Assignee: LG INNOTEK CO., LTD.Inventor: Kang Yeol Park
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Publication number: 20230132771Abstract: A surface-emitting laser device disclosed in an embodiment of the invention includes a first region in which a plurality of first emitters is arranged; and a second region in which a plurality of second emitters is arranged, an area of the second region is smaller than an area of the first region, and the second region is disposed in a center region of the first region, and the first emitter and the second emitter may be driven separately.Type: ApplicationFiled: March 17, 2021Publication date: May 4, 2023Applicant: LG INNOTEK CO., LTD.Inventors: Sang Heon HAN, Kang Yeol PARK, Jae Hoon LEE, Yong Gyeong LEE
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Publication number: 20230036930Abstract: The present embodiment relates to a light-emitting module comprising: a substrate; a light source which is arranged on the substrate and emits laser light; a holder arranged on the substrate; a diffuser lens arranged in the holder and over the light source; and a diffuser ring for supporting the diffuser lens, wherein the diffuser lens comprises a plurality of microlenses, and the holder comprises an opening formed above the diffuser lens and a stopping protrusion for inhibiting the diffuser lens from being separated through the opening.Type: ApplicationFiled: October 7, 2022Publication date: February 2, 2023Inventors: Kang Yeol PARK, Hee Se LEE, Sung Phil KIM
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Patent number: 11518874Abstract: A thermoplastic resin composition of the present invention is characterized by comprising: a thermoplastic resin containing a rubber-modified vinyl-based graft copolymer and an aromatic vinyl-based copolymer resin; zinc oxide; zinc phosphate; a surface-coated zinc oxide, of which a portion or the entirety of a surface is coated with zinc phosphate. The thermoplastic resin composition has excellent acid resistance and antibacterial properties.Type: GrantFiled: June 14, 2018Date of Patent: December 6, 2022Assignee: Lotte Advanced Materials Co., Ltd.Inventors: Cheon Seok Yang, Seung Yong Bae, Yoen Kyoung Kim, Ju Sung Kim, Kang Yeol Park
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Patent number: 11496658Abstract: The present embodiment relates to a light-emitting module comprising: a substrate; a light source which is arranged on the substrate and emits laser light; a holder arranged on the substrate; a diffuser lens arranged in the holder and over the light source; and a diffuser ring for supporting the diffuser lens, wherein the diffuser lens comprises a plurality of microlenses, and the holder comprises an opening formed above the diffuser lens and a stopping protrusion for inhibiting the diffuser lens from being separated through the opening.Type: GrantFiled: September 11, 2019Date of Patent: November 8, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Kang Yeol Park, Hee Se Lee, Sung Phil Kim
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Publication number: 20220329774Abstract: A time of flight (ToF) camera according to embodiments of the present invention includes a light source unit including an infrared light-emitting device array and configured to generate a light signal; a lens unit disposed on the light source unit and including a plurality of lenses; and an adjustment unit configured to adjust the lens unit such that a light pattern of the light signal, which has passed through the lens unit, becomes a surface lighting or a spot lighting including a plurality of spot patterns, wherein the lens unit has a distortion aberration in the form of barrel distortion in which irradiance of the light pattern decreases in a direction away from a central portion.Type: ApplicationFiled: August 28, 2020Publication date: October 13, 2022Inventor: Kang Yeol PARK
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Publication number: 20220321789Abstract: According to an embodiment of the present invention, disclosed is a camera module comprising: a light output unit for outputting an optical signal to an object; a sensor for receiving an optical signal reflected from the object; and a control unit for acquiring distance information about the object by using the phase difference of the received optical signal, wherein the sensor includes a non-extraction area from which the phase different is not extracted and an extraction area from which the phase difference is extracted and the control unit stops timing control for the received optical signal in the non-extraction area.Type: ApplicationFiled: May 26, 2020Publication date: October 6, 2022Inventors: Seok Hyun KIM, Eun Song KIM, Kang Yeol PARK
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Patent number: 11435574Abstract: A camera module according to one embodiment comprises: a barrel provided with at least one lens; a retainer having an inner space and accommodating the barrel in the inner space; a holder coupled to the lower portion of the retainer; a housing disposed on the lower side of the holder and accommodating a printed circuit board; and a cover part mounted on the retainer and disposed in front of the lens. The cover part comprises: a cover glass; a first reflection suppression layer disposed on the upper side of the cover glass; a heating layer disposed on the lower side of the glass cover; and a second reflection suppression layer disposed on the lower side of the heating layer.Type: GrantFiled: April 5, 2021Date of Patent: September 6, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Hyun Ho Choi, Kang Yeol Park, Sang Jun Park
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Publication number: 20220236052Abstract: A camera module, according to an embodiment of the present invention, comprises: a light emitting unit for outputting an optical signal to an object; a light receiving unit for receiving the optical signal reflected from the object; and a control unit for controlling the light emitting unit such that the optical signal selectively has one optical pattern from among a surface light source pattern and a point light source pattern. The light emitting unit comprises: a light emitting element array on which a plurality of light emitting elements are arranged in accordance with a predetermined arrangement pattern; and a lens module for transmitting the optical signal output by the light emitting element array, wherein the lens module includes an optical element which duplicates the optical signal output by the light emitting element array.Type: ApplicationFiled: May 28, 2020Publication date: July 28, 2022Inventor: Kang Yeol PARK
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Patent number: 11393112Abstract: A camera module according to an embodiment of the present invention includes a structured light projector configured to generate structured light of a specific pattern and changes an optical path of the structured light into units of subpixels of an image sensor for each image frame to project the structured light onto a subject, and a structured light camera configured to photograph the subject onto which the structured light is projected to generate a plurality of low-resolution image frames and generate a high-resolution depth map from the plurality of low-resolution image frames.Type: GrantFiled: April 26, 2019Date of Patent: July 19, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Chang Hyuck Lee, Kang Yeol Park, Seong Ha Jang
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Publication number: 20220224850Abstract: A camera module according to an exemplary embodiment of the present invention comprises: a light emitting unit which outputs an optical signal to an object; a light receiving unit which collects the optical signal output from the light emitting unit and reflected from the object; a sensor unit which, through a plurality of pixels, receives the optical signal received by the light receiving unit; and an image processing unit which, by means of the optical signal, processes information received through a first pixel having a valid value and a second pixel having an invalid value indicating pixel saturation, wherein at least one of a plurality of pixels adjacent to the second pixel includes the first pixel, and the image processing unit generates a valid value of the second pixel on the basis of the valid value of the first pixel among the plurality of pixels adjacent to the second pixel.Type: ApplicationFiled: May 8, 2020Publication date: July 14, 2022Applicant: LG INNOTEK CO., LTD.Inventors: Eun Song KIM, Seok Hyun KIM, Kang Yeol PARK
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Patent number: 11365304Abstract: A foaming resin composition of the present invention contains an aromatic vinyl-based resin and zinc oxide, wherein the size ratio (B/A), in which peak A is a 370 nm to 390 nm region and peak B is a 450 nm to 600 nm region, of zinc oxide is approximately 0.01 to approximately 1 when photoluminescence is measured, and the BET surface area thereof is approximately 1 m2/g to approximately 10 m2/g.Type: GrantFiled: November 30, 2017Date of Patent: June 21, 2022Assignee: Lotte Chemical CorporationInventors: Ju Sung Kim, You Hyun Kim, Yoen Kyoung Kim, Kang Yeol Park, Seung Yong Bae, Bong Jae Jeong
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Patent number: 11249372Abstract: A camera module comprises: a housing having a lens holder disposed outside thereof and a substrate unit disposed therein; a lens module disposed in the lens holder and including a first lens exposed to the outside; a heating element disposed on the lower surface of the lens; an image sensor mounted on the substrate unit so as to correspond to the lens module; and a connection unit for applying power to the lens module, wherein the connection unit comprises: a first connecting member electrically connected to the heating element so as to supply power; and a second connecting member extending from the first connecting member to an inside of the housing and electrically connecting the first connecting member and the substrate unit.Type: GrantFiled: February 12, 2018Date of Patent: February 15, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Hyun Ho Choi, Kang Yeol Park
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Publication number: 20210263136Abstract: An embodiment provides a method and a device for outputting a light, which can output a light in a safe manner. Specifically, disclosed are a method and a device for outputting a light, which control an output light to prevent the output light from being concentrated on a specific area.Type: ApplicationFiled: July 9, 2019Publication date: August 26, 2021Applicant: LG INNOTEK CO., LTD.Inventors: Yang Hyun JOO, Kang Yeol PARK, Chang Hyuck LEE
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Publication number: 20210223543Abstract: A camera module according to one embodiment comprises: a barrel provided with at least one lens; a retainer having an inner space and accommodating the barrel in the inner space; a holder coupled to the lower portion of the retainer; a housing disposed on the lower side of the holder and accommodating a printed circuit board; and a cover part mounted on the retainer and disposed in front of the lens. The cover part comprises: a cover glass; a first reflection suppression layer disposed on the upper side of the cover glass; a heating layer disposed on the lower side of the glass cover; and a second reflection suppression layer disposed on the lower side of the heating layer.Type: ApplicationFiled: April 5, 2021Publication date: July 22, 2021Inventors: Hyun Ho Choi, Kang Yeol Park, Sang Jun Park
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Publication number: 20210160408Abstract: The present embodiment relates to a light-emitting module comprising: a substrate; a light source which is arranged on the substrate and emits laser light; a holder arranged on the substrate; a diffuser lens arranged in the holder and over the light source; and a diffuser ring for supporting the diffuser lens, wherein the diffuser lens comprises a plurality of microlenses, and the holder comprises an opening formed above the diffuser lens and a stopping protrusion for preventing inhibiting the diffuser lens from being separated through the opening.Type: ApplicationFiled: September 11, 2019Publication date: May 27, 2021Inventors: Kang Yeol PARK, Hee Se LEE, Sung Phil KIM
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Publication number: 20210147671Abstract: A thermoplastic resin composition of the present invention is characterized by comprising: a thermoplastic resin containing a rubber-modified vinyl-based graft copolymer and an aromatic vinyl-based copolymer resin; zinc oxide; zinc phosphate; a surface-coated zinc oxide, of which a portion or the entirety of a surface is coated with zinc phosphate. The thermoplastic resin composition has excellent acid resistance and antibacterial properties.Type: ApplicationFiled: June 14, 2018Publication date: May 20, 2021Inventors: Cheon Seok YANG, Seung Yong BAE, Yoen Kyoung KIM, Ju Sung KIM, Kang Yeol PARK
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Patent number: 10996462Abstract: A camera module according to one embodiment comprises: a barrel provided with at least one lens; a retainer having an inner space and accommodating the barrel in the inner space; a holder coupled to the lower portion of the retainer; a housing disposed on the lower side of the holder and accommodating a printed circuit board; and a cover part mounted on the retainer and disposed in front of the lens. The cover part comprises: a cover glass; a first reflection suppression layer disposed on the upper side of the cover glass; a heating layer disposed on the lower side of the glass cover; and a second reflection suppression layer disposed on the lower side of the heating layer.Type: GrantFiled: April 8, 2020Date of Patent: May 4, 2021Assignee: LG INNOTEK CO., LTD.Inventors: Hyun Ho Choi, Kang Yeol Park, Sang Jun Park
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Publication number: 20210065390Abstract: A camera module according to an embodiment of the present invention includes a structured light projector configured to generate structured light of a specific pattern and changes an optical path of the structured light into units of subpixels of an image sensor for each image frame to project the structured light onto a subject, and a structured light camera configured to photograph the subject onto which the structured light is projected to generate a plurality of low-resolution image frames and generate a high-resolution depth map from the plurality of low-resolution image frames.Type: ApplicationFiled: April 26, 2019Publication date: March 4, 2021Inventors: Chang Hyuck LEE, Kang Yeol PARK, Seong Ha JANG