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1.
公开(公告)号:US11555904B2
公开(公告)日:2023-01-17
申请号:US16557459
申请日:2019-08-30
申请人: NAMUGA CO., LTD.
发明人: Jun Youb Lee , Ji Soo Won , Jung Ho Lee , Young Gyu Kang , Jeong Hwa Seo
摘要: 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.
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公开(公告)号:US11073440B2
公开(公告)日:2021-07-27
申请号:US16525828
申请日:2019-07-30
申请人: Namuga, Co., Ltd.
发明人: Jun Youb Lee , Young Gyu Kang , Jeong Hwa Seo
IPC分类号: G01L19/14 , H01S5/183 , H01S5/06 , H01S5/068 , H01S5/0222 , H01S5/02257
摘要: 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.
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3.
公开(公告)号:US20190383919A1
公开(公告)日:2019-12-19
申请号:US16557459
申请日:2019-08-30
申请人: NAMUGA CO., LTD.
发明人: Jun Youb LEE , Ji Soo WON , Jung Ho LEE , Young Gyu KANG , Jeong Hwa SEO
摘要: 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.
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4.
公开(公告)号:US10444331B1
公开(公告)日:2019-10-15
申请号:US16201124
申请日:2018-11-27
申请人: NAMUGA CO., LTD.
发明人: Jun Youb Lee , Ji Soo Won , Jung Ho Lee , Young Gyu Kang , Jeong Hwa Seo
摘要: 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.
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公开(公告)号:US12099211B2
公开(公告)日:2024-09-24
申请号:US17444399
申请日:2021-08-04
申请人: Namuga Co., Ltd.
发明人: Jun Youb Lee , Young Gyu Kang , Jeong Hwa Seo
CPC分类号: G02B3/0043 , G02B3/0031 , G02B3/0068 , G02B3/0075 , G02B3/08 , G02B2003/0093
摘要: 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.
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公开(公告)号:US11888289B2
公开(公告)日:2024-01-30
申请号:US17105726
申请日:2020-11-27
申请人: Namuga, Co., Ltd.
发明人: Jun Youb Lee , Young Gyu Kang , Jeong Hwa Seo
IPC分类号: H01S5/00 , G02B3/00 , H01S5/065 , H01S5/06 , H01S5/0683 , H01S5/026 , H01S5/183 , G01S7/484 , G01S7/481 , H01S5/42
CPC分类号: H01S5/0651 , H01S5/005 , H01S5/0265 , H01S5/0607 , H01S5/0683 , H01S5/18302 , H01S5/18388 , G01S7/484 , G01S7/4815 , G02B3/0043 , H01S5/423
摘要: 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.
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公开(公告)号:US11692898B2
公开(公告)日:2023-07-04
申请号:US17356092
申请日:2021-06-23
申请人: Namuga, Co., Ltd.
发明人: Jun Youb Lee , Young Gyu Kang , Jeong Hwa Seo
IPC分类号: G01L19/14 , H01S5/183 , H01S5/06 , H01S5/068 , H01S5/0222 , H01S5/02257
CPC分类号: G01L19/147 , H01S5/0222 , H01S5/02257 , H01S5/0607 , H01S5/06804 , H01S5/06825 , H01S5/183
摘要: 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.
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公开(公告)号:US11150330B2
公开(公告)日:2021-10-19
申请号:US16573229
申请日:2019-09-17
申请人: Namuga, Co., Ltd.
发明人: Jun Youb Lee , Young Gyu Kang , Jeong Hwa Seo
摘要: 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.
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公开(公告)号:US10069275B1
公开(公告)日:2018-09-04
申请号:US15821090
申请日:2017-11-22
申请人: Namuga Co., Ltd.
发明人: Jun Youb Lee , Young Gyu Kang , Jeong Hwa Seo
摘要: The present disclosure provides a beam projector module including: a PCB on which a cathode wire and an anode wire are positioned; a conductive pad that is made of a conductive material or coated with a conductive material and has one side surface; a first frame that is made of a non-conductive material and has one side surface which is in contact with the PCB; a light source having a cathode electrode and an anode electrode, the cathode electrode being in contact with the other side surface of the conductive pad; the anode electrode being connected to the anode wire through at least one electric wire passing through the opening; a diffuser configured to diffuse a light beam output from the light source; and a second frame configured to support the diffuser so that the diffuser is spaced from the light source by a predetermined distance.
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10.
公开(公告)号:US12100931B2
公开(公告)日:2024-09-24
申请号:US17337982
申请日:2021-06-03
申请人: Namuga Co., Ltd.
发明人: Jun Youb Lee , Young Gyu Kang , Jeong Hwa Seo
IPC分类号: H01S5/068 , H01S5/02257 , H01S5/024 , H01S5/183
CPC分类号: H01S5/06825 , H01S5/02257 , H01S5/02469 , H01S5/06804 , H01S5/183
摘要: 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.
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