Patents Assigned to Namuga Co., Ltd.
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Patent number: 11888289Abstract: One embodiment may provide a light source module including: a light source part including at least one vertical cavity surface-emitting laser, which is configured to transfer light through N (N being a natural number equal to or greater than 1) apertures; at least one collimator lens through which light emitted from the light source part passes; and a driving device configured to make the collimator lens move, wherein the at least one vertical cavity surface-emitting laser comprises divided regions, and an intensity of a beam is controlled according to a predetermined far-distance mode or near-distance mode.Type: GrantFiled: November 27, 2020Date of Patent: January 30, 2024Assignee: Namuga, Co., Ltd.Inventors: Jun Youb Lee, Young Gyu Kang, Jeong Hwa Seo
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Publication number: 20230341121Abstract: A light source module includes a substrate; a light source disposed on the substrate; a lens assembly configured to transmit light transferred from the light source; and an optical barrier having a shape which surrounds the light source to block light transferred from the light source.Type: ApplicationFiled: June 27, 2023Publication date: October 26, 2023Applicant: Namuga Co., Ltd.Inventors: Jun Youb LEE, Young Gyu KANG, Tae Youn WON
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Patent number: 11714294Abstract: Provided is a camera module which includes a cover, a base connected with the cover, and a lens carrier provided between the cover and the base, the camera module including: an OIS body provided inside the cover; a first ball bearing interposed between the cover and the OIS body; an AF driver provided between the OIS body and the lens carrier; and an OIS driver for moving the OIS body in perpendicular to an optical axis of the lens carrier. Since the first ball bearing is supported while being in direct contact with an inner ceiling of the cover and an upper surface of the OIS body, the overall module thickness may be formed to be thinner than a structure in which the ball bearing is provided below the OIS body.Type: GrantFiled: March 24, 2021Date of Patent: August 1, 2023Assignee: NAMUGA, CO., LTD.Inventors: Jin Suk Han, Tae Hoon Jung, Seung Taek Shin
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Patent number: 11692898Abstract: An embodiment provides a beam projector module including: a light source configured to output light; a substrate configured to support the light source; an optical device configured to reduce the light in terms of intensity output to a predetermined space; a frame configured to separate the optical device from the light source by a predetermined distance; an optical substrate configured to attach the optical device thereto and to define a sealed space with the substrate and the frame, the sealed space having internal pressure lower than pressure outside the sealed space; a sensor configured to measure a state of the sealed space; and a processor configured to change an operation mode of the light source depending on a measured value of the sensor.Type: GrantFiled: June 23, 2021Date of Patent: July 4, 2023Assignee: Namuga, Co., Ltd.Inventors: Jun Youb Lee, Young Gyu Kang, Jeong Hwa Seo
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Patent number: 11692701Abstract: A light source module includes a substrate; a light source disposed on the substrate; a lens assembly configured to transmit light transferred from the light source; and an optical barrier having a shape which surrounds the light source to block light transferred from the light source.Type: GrantFiled: August 31, 2021Date of Patent: July 4, 2023Assignee: NAMUGA, CO., LTD.Inventors: Jun Youb Lee, Young Gyu Kang, Tae Youn Won
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Publication number: 20230040923Abstract: A light source module includes a substrate; a light source disposed on the substrate; a lens assembly configured to transmit light transferred from the light source; and an optical barrier having a shape which surrounds the light source to block light transferred from the light source.Type: ApplicationFiled: August 31, 2021Publication date: February 9, 2023Applicant: Namuga Co., Ltd.Inventors: Jun Youb LEE, Young Gyu KANG, Tae Youn WON
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3D camera system and method for detecting abnormal state of beam projector module for eye protection
Patent number: 11555904Abstract: Disclosed is a system including: a beam projector module comprising a light source and an optical device configured to diffuse light output from the light source to reduce an intensity of the light; an image sensor configured to receive reflected light formed by the light reflected from an object; and a signal processing device configured to measure a distance from the object by analyzing a characteristic of the reflected light, wherein the signal processing device operates the beam projector module in an eye-safety mode when the characteristic of the reflected light corresponds to a crack characteristic.Type: GrantFiled: August 30, 2019Date of Patent: January 17, 2023Assignee: Namuga Co., Ltd.Inventors: Jun Youb Lee, Ji Soo Won, Jung Ho Lee, Young Gyu Kang, Jeong Hwa Seo -
Patent number: 11467260Abstract: A distance measuring apparatus has a substrate supporting, on a first surface thereof, a light source that emits light and a first optical element that decreases the intensity of the emitted light, and a processor on a second surface opposite the first surface. A light receiving element and a second optical element, which is at a higher position than the light receiving element, both receive the emitted light after reflecting from an object. A frame is connected to the substrate and spaces the first optical element and the second optical element a predetermined distance apart from the light source and the light receiving element, and a partition is disposed between the light source and the light receiving element, thereby defining a first cavity housing the light source and a second cavity housing the light receiving element. The processor is electrically connected to the light source and controls the light source.Type: GrantFiled: November 26, 2019Date of Patent: October 11, 2022Assignee: NAMUGA CO., LTD.Inventor: Jun Youb Lee
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Publication number: 20220050229Abstract: An embodiment of the present disclosure may provide a microlens array including: an optical substrate configured to define multiple cells; and multiple microlenses distributed on the optical substrate and having angle profiles or tilting profiles, wherein angle profiles of the multiple cells are defined based on the shapes of edges of the cells, and tilting profiles of the multiple cells are defined based on the tilts of the microlenses or the tilt of the optical substrate.Type: ApplicationFiled: August 4, 2021Publication date: February 17, 2022Applicant: Namuga Co., Ltd.Inventors: Jun Youb LEE, Young Gyu KANG, Jeong Hwa SEO
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Publication number: 20210382176Abstract: An embodiment may provide a method for synchronizing a field of view of a distance measuring device including: a light source including one or more light source elements; and a light diffusion device through which light emitted from the light source passes, wherein the light diffusion device is divided into one or more regions, each of the light source elements of the light source is disposed with an independent region, and the intensity of light transferred from the light source elements is adjustable. The method may include: identifying a field of view (FOV) of a red, green, and blue (RGB) camera; and adjusting, based on a predetermined reference, the field of view of the distance measuring device such that the field of view of the distance measuring device corresponds to the field of view of the RGB camera.Type: ApplicationFiled: June 2, 2021Publication date: December 9, 2021Applicant: Namuga Co., Ltd.Inventors: Jun Youb LEE, Young Gyu KANG, Jeong Hwa SEO
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Patent number: 11150330Abstract: A beam projector module including a light source configured to output light, a substrate configured to support the light source, an optical device configured to decrease the intensity of the light output to a predetermined space, an optical substrate, in which the optical device is disposed, and configured to transmit the light, and a frame configured to space the optical device apart from the light source by a predetermined distance, and including a support part configured to support the optical substrate, wherein the optical substrate is slidingly inserted through a first slot formed to pass through a first side surface of the frame, and is mounted on the frame such that a portion of an upper surface or a lower surface of the optical substrate contacts the support part.Type: GrantFiled: September 17, 2019Date of Patent: October 19, 2021Assignee: NAMUGA, CO., LTDInventors: Jun Youb Lee, Young Gyu Kang, Jeong Hwa Seo
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Publication number: 20210305777Abstract: One embodiment may provide a light source module including: a light source part including at least one vertical cavity surface-emitting laser, which is configured to transfer light through N (N being a natural number equal to or greater than 1) apertures; at least one collimator lens through which light emitted from the light source part passes; and a driving device configured to make the collimator lens move, wherein the at least one vertical cavity surface-emitting laser comprises divided regions, and an intensity of a beam is controlled according to a predetermined far-distance mode or near-distance modeType: ApplicationFiled: November 27, 2020Publication date: September 30, 2021Applicant: Namuga, Co., Ltd.Inventors: Jun Youb LEE, Young Gyu KANG, Jeong Hwa SEO
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Publication number: 20210305775Abstract: One embodiment may provide a light source module including: a light source including at least one vertical cavity surface-emitting laser, which is configured to transfer light through N (N being a natural number equal to or greater than 1) apertures; at least one collimator lens through which light emitted from the light source passes; and a driving device configured to make the collimator lens move, wherein the at least one vertical cavity surface-emitting laser comprises divided regions, and an intensity of a beam is controlled according to a predetermined far-distance mode or near-distance modeType: ApplicationFiled: November 27, 2020Publication date: September 30, 2021Applicant: Namuga, Co., Ltd.Inventors: Jun Youb LEE, Young Gyu KANG, Jeong Hwa SEO
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Publication number: 20210288467Abstract: An embodiment provides a beam projector module that includes: a light source configured to output light; a substrate configured to support the light source; an optical device configured to reduce the light in terms of intensity output to a predetermined space; a frame configured to space the optical device apart from the light source by a predetermined distance, the frame forming a closed space with the substrate and the optical device; a temperature sensor configured to measure a temperature of the frame; and a processor configured to control an output of the light source. The processor is configured to operate the light source in an eye-safety mode when a temperature drop rate of the frame exceeds a reference value.Type: ApplicationFiled: June 3, 2021Publication date: September 16, 2021Applicant: Namuga Co., Ltd.Inventors: Jun Youb LEE, Young Gyu KANG, Jeong Hwa SEO
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Patent number: 11073440Abstract: An embodiment provides a beam projector module including: a light source configured to output light; a substrate configured to support the light source; an optical device configured to reduce the light in terms of intensity output to a predetermined space; a frame configured to separate the optical device from the light source by a predetermined distance; an optical substrate configured to attach the optical device thereto and to define a sealed space with the substrate and the frame, the sealed space having internal pressure lower than pressure outside the sealed space; a sensor configured to measure a state of the sealed space; and a processor configured to change an operation mode of the light source depending on a measured value of the sensor.Type: GrantFiled: July 30, 2019Date of Patent: July 27, 2021Assignee: Namuga, Co., Ltd.Inventors: Jun Youb Lee, Young Gyu Kang, Jeong Hwa Seo
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Patent number: 11056855Abstract: An embodiment provides a beam projector module that includes: a light source configured to output light; a substrate configured to support the light source; an optical device configured to reduce the light in terms of intensity output to a predetermined space; a frame configured to space the optical device apart from the light source by a predetermined distance, the frame forming a closed space with the substrate and the optical device; a temperature sensor configured to measure a temperature of the frame; and a processor configured to control an output of the light source. The processor is configured to operate the light source in an eye-safety mode when a temperature drop rate of the frame exceeds a reference value.Type: GrantFiled: July 2, 2019Date of Patent: July 6, 2021Assignee: NAMUGA, CO., LTD.Inventors: Jun Youb Lee, Young Gyu Kang, Jeong Hwa Seo
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Publication number: 20200284878Abstract: A distance measuring apparatus has a substrate supporting, on a first surface thereof, a light source that emits light and a first optical element that decreases the intensity of the emitted light, and a processor on a second surface opposite the first surface. A light receiving element and a second optical element, which is at a higher position than the light receiving element, both receive the emitted light after reflecting from an object. A frame is connected to the substrate and spaces the first optical element and the second optical element a predetermined distance apart from the light source and the light receiving element, and a partition is disposed between the light source and the light receiving element, thereby defining a first cavity housing the light source and a second cavity housing the light receiving element. The processor is electrically connected to the light source and controls the light source.Type: ApplicationFiled: November 26, 2019Publication date: September 10, 2020Applicant: Namuga, Co., Ltd.Inventor: Jun Youb LEE
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Publication number: 20200089094Abstract: A beam projector module including a light source configured to output light, a substrate configured to support the light source, an optical device configured to decrease the intensity of the light output to a predetermined space, an optical substrate, in which the optical device is disposed, and configured to transmit the light, and a frame configured to space the optical device apart from the light source by a predetermined distance, and including a support part configured to support the optical substrate, wherein the optical substrate is slidingly inserted through a first slot formed to pass through a first side surface of the frame, and is mounted on the frame such that a portion of an upper surface or a lower surface of the optical substrate contacts the support part.Type: ApplicationFiled: September 17, 2019Publication date: March 19, 2020Applicant: Namuga, Co., Ltd.Inventors: Jun Youb LEE, Young Gyu KANG, Jeong Hwa SEO
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Publication number: 20200014170Abstract: An embodiment provides a beam projector module that includes: a light source configured to output light; a substrate configured to support the light source; an optical device configured to reduce the light in terms of intensity output to a predetermined space; a frame configured to space the optical device apart from the light source by a predetermined distance, the frame forming a closed space with the substrate and the optical device; a temperature sensor configured to measure a temperature of the frame; and a processor configured to control an output of the light source. The processor is configured to operate the light source in an eye-safety mode when a temperature drop rate of the frame exceeds a reference value.Type: ApplicationFiled: July 2, 2019Publication date: January 9, 2020Applicant: Namuga Co., Ltd.Inventors: Jun Youb LEE, Young Gyu KANG, Jeong Hwa SEO
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3D CAMERA SYSTEM AND METHOD FOR DETECTING ABNORMAL STATE OF BEAM PROJECTOR MODULE FOR EYE PROTECTION
Publication number: 20190383919Abstract: Disclosed is a system including: a beam projector module comprising a light source and an optical device configured to diffuse light output from the light source to reduce an intensity of the light; an image sensor configured to receive reflected light formed by the light reflected from an object; and a signal processing device configured to measure a distance from the object by analyzing a characteristic of the reflected light, wherein the signal processing device operates the beam projector module in an eye-safety mode when the characteristic of the reflected light corresponds to a crack characteristic.Type: ApplicationFiled: August 30, 2019Publication date: December 19, 2019Applicant: NAMUGA CO., LTD.Inventors: Jun Youb LEE, Ji Soo WON, Jung Ho LEE, Young Gyu KANG, Jeong Hwa SEO