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公开(公告)号：US11754850B2
公开(公告)日：2023-09-12
申请号：US16772133
申请日：2018-12-13
Applicant: LG ELECTRONICS INC.
Inventor： Jayong Lee , Hyungjoo Kang , Kwanhyung Kim , Dongryeol Lee
IPC: G02B27/64 , G02B26/08 , G03B5/00 , G02B7/18 , G02B13/00 , G03B17/17 , H04N23/68 , H02K11/215 , G03B3/10 , H02K41/035
CPC classification number: G02B27/646 , G02B7/1805 , G02B13/0065 , G02B26/0883 , G03B3/10 , G03B5/00 , G03B17/17 , H02K11/215 , H02K41/0356 , H04N23/685 , H04N23/6812 , G03B2205/003 , G03B2205/0023 , G03B2205/0069
Abstract: A prism apparatus, and a camera and an image display apparatus including the same are disclosed. The prism apparatus includes: a first prism configured to reflect input light toward a first reflected direction, a first actuator configured to change an angle of the first prism about a first rotation axis to change the first reflected direction based on a first control signal, a second prism configured to reflect the light reflected from the first prism toward a second reflected direction, and a second actuator configured to change an angle of the second prism about a second rotation axis to change the second reflected direction based on a second control signal.
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公开(公告)号：US11971650B2
公开(公告)日：2024-04-30
申请号：US17054671
申请日：2019-05-10
Applicant: LG ELECTRONICS INC.
Inventor： Jongwoo Jeong , Hyungjoo Kang , Youngman Kwon , Dongryeol Lee , Jayong Lee
IPC: G02B7/18 , G02B7/09 , G02B13/00 , G02B26/08 , G02B27/64 , G03B5/00 , G03B13/36 , H04N23/67 , H04N23/68 , G03B13/32
CPC classification number: G03B5/00 , G02B7/09 , G02B7/1805 , G02B13/0065 , G02B26/0883 , G02B27/646 , G03B13/36 , H04N23/67 , H04N23/6812 , H04N23/686 , G03B13/32 , G03B2205/0007 , G03B2205/003 , G03B2205/0069
Abstract: The present invention relates to a prism module, a camera comprising same, and an image display device. A prism module, according to one embodiment of the present invention, comprises: a prism holder having a prism fixed to a first surface thereof; a yoke coupled to a second surface of the prism holder; a driving magnet seated on the yoke; a sensor magnet disposed on the yoke; a hall sensor disposed to be spaced apart from the sensor magnet; and a sensor magnet support member to which the sensor magnet is attached. Thereby, it is possible to precisely detect a magnetic field.
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公开(公告)号：US09942462B2
公开(公告)日：2018-04-10
申请号：US15455040
申请日：2017-03-09
Applicant: LG ELECTRONICS INC.
Inventor： Haejin Park , Sungdu Kwon , Youngman Kwon , Jayong Lee , Taegil Cho , Salkmann Ji , Samnyol Hong
CPC classification number: H04N5/23212 , G02B7/08 , G02B7/09 , G02B7/28 , G02B7/36 , G02B7/365 , G02B27/646 , G05D3/14 , H02P7/025 , H02P29/64 , H02P2203/00 , H04N5/06 , H04N5/23248 , H04N5/23254
Abstract: Apparatus and method for controlling auto focus of a camera module. A controller is configured to provide a signal comprising first frequency signal and second frequency signal to a moving coil, a fixed coil receiving the variable current or the variable voltage through the second frequency signal, calculate a focus position value based on the received variable current or the variable voltage and an image signal, and control a lens unit to move according to the calculated focus position value. The controller is further configured to receive the second frequency signal only during a specific time slot in order for the second frequency signal to not include noise due to OIS signal and apply the OIS signal to an OIS coil during the rest of a time slot of the second frequency signal.
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公开(公告)号：US09930223B2
公开(公告)日：2018-03-27
申请号：US15455060
申请日：2017-03-09
Applicant: LG ELECTRONICS INC.
Inventor： Haejin Park , Sungdu Kwon , Youngman Kwon , Jayong Lee , Taegil Cho , Salkmann Ji , Samnyol Hong
CPC classification number: H04N5/23212 , G02B7/08 , G02B7/09 , G02B7/28 , G02B7/36 , G02B7/365 , G02B27/646 , G05D3/14 , H02P7/025 , H02P29/64 , H02P2203/00 , H04N5/06 , H04N5/23248 , H04N5/23254
Abstract: Disclosed are an apparatus and method for controlling auto focus of a camera module. The present invention includes a lens unit, a moving coil, a fixed coil, and a controller configured to provide a signal comprising first frequency signal and second frequency signal to the moving coil, the fixed coil receiving a variable current or a variable voltage through the second frequency signal, calculate a focus location value based on the received variable current or variable voltage and an image signal, and control the lens unit to move by applying the first frequency signal to the moving coil according to the calculated focus location value, the second frequency signal is higher than the first frequency signal and is comprised of the signal during a prescribed time.
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公开(公告)号：US11002939B2
公开(公告)日：2021-05-11
申请号：US16300038
申请日：2016-06-30
Applicant: LG ELECTRONICS INC.
Inventor： Youngman Kwon , Hyungjoo Kang , Sungdu Kwon , Jayong Lee , Haejin Park , Samnyol Hong
IPC: G02B7/09 , G03B3/10 , G02B7/105 , G01R15/18 , H02K11/225 , H02P7/025 , G01D5/20 , G03B13/36 , H02K41/035
Abstract: The present invention relates to an apparatus and a method for controlling auto focus of a camera module including a voice coil motor actuator. The camera module includes a sensing unit configured to sense a movement of the lens unit and a controller configured to control the movement of the lens unit based on a sensing signal sensed by the sensing unit. If an initial operation command is received, the controller moves the lens unit to an end point of a maximum movement range. If the lens unit is positioned at the end point of the maximum movement range, the controller compares the sensing signal sensed by the sensing unit with a predetermined reference signal to calculate a compensation value for an error. If a focus operation command is received, the controller can move the lens unit to a focus position based on the calculated compensation value and compensate for the focus position of the lens unit.
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Patent Agency Ranking
公开(公告)号：US10884258B2
公开(公告)日：2021-01-05
申请号：US16220687
申请日：2018-12-14
Applicant: LG ELECTRONICS INC.
Inventor： Dongryeol Lee , Jayong Lee , Hyungjoo Kang , Kwanhyung Kim , Jongwoo Jeong
IPC: G02B27/64 , G02B26/08 , G03B5/00 , H02K41/035 , H04N5/232 , H02K11/215 , G03B17/17 , G03B3/10
Abstract: A prism apparatus, and a camera and an image display apparatus including the same are disclosed. The prism apparatus includes: a first prism configured to reflect input light toward a first reflected direction, a first actuator configured to change an angle of the first prism about a first rotation axis to change the first reflected direction based on a first control signal, a second prism configured to reflect the light reflected from the first prism toward a second reflected direction, and a second actuator configured to change an angle of the second prism about a second rotation axis to change the second reflected direction based on a second control signal.
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公开(公告)号：US10027895B2
公开(公告)日：2018-07-17
申请号：US15585327
申请日：2017-05-03
Applicant: LG ELECTRONICS INC.
Inventor： Hyungjoo Kang , Sungdu Kwon , Youngman Kwon , Samnyol Hong , Jayong Lee
Abstract: A dual camera module that includes a voice coil motor actuator and a method for controlling the same are disclosed. The dual camera module comprises a first camera including a first lens module; a second camera including a second lens module, arranged to adjoin the first camera; and a controller for controlling the first camera and the second camera, wherein the controller identifies whether the first camera includes a first sensing module for sensing movement of the first lens module if a camera execution command is received, identifies whether the second camera includes a second sensing module for sensing movement of the second lens module if the first camera includes the first sensing module, identifies whether the first sensing module of the first camera and the second sensing module of the second camera have the same type as each other if the second camera includes the second sensing module, and controls the first camera and the second camera at different time zones if the first sensing module and the second sensing module have the same types as each other.
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公开(公告)号：US09883098B2
公开(公告)日：2018-01-30
申请号：US15455018
申请日：2017-03-09
Applicant: LG ELECTRONICS INC.
Inventor： Haejin Park , Sungdu Kwon , Youngman Kwon , Jayong Lee , Taegil Cho , Salkmann Ji , Samnyol Hong
CPC classification number: H04N5/23212 , G02B7/08 , G02B7/09 , G02B7/28 , G02B7/36 , G02B7/365 , G02B27/646 , G05D3/14 , H02P7/025 , H02P29/64 , H02P2203/00 , H04N5/06 , H04N5/23248 , H04N5/23254
Abstract: Disclosed are an apparatus and method for controlling auto focus of a camera module. The present invention includes a lens unit, a moving coil, a fixed coil, and a controller configured to provide a signal comprising first frequency signal and second frequency signal to the moving coil, the fixed coil receiving the variable current or the variable voltage through the second frequency signal, calculate a focus position value based on the received variable current or the variable voltage and an image signal, and control the lens unit to move by applying the first frequency signal to the moving coil according to the calculated focus position value, wherein the controller is further configured to detect a temperature change of the fixed coil and to correct a focus position of the lens unit corresponding to the detected temperature change of the fixed coil.
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公开(公告)号：US12078920B2
公开(公告)日：2024-09-03
申请号：US17272309
申请日：2019-08-16
Applicant: LG ELECTRONICS INC.
Inventor： Jongwoo Jeong , Hyungjoo Kang , Youngman Kwon , Dongryeol Lee , Jayong Lee
IPC: G02B26/08 , G02B7/09 , G02B7/18 , G02B13/00 , G02B27/64 , G03B5/00 , G03B13/36 , H04N23/67 , H04N23/68 , G03B13/32
CPC classification number: G03B5/00 , G02B7/09 , G02B7/1805 , G02B13/0065 , G02B26/0883 , G02B27/646 , G03B13/36 , H04N23/67 , H04N23/6812 , H04N23/686 , G03B13/32 , G03B2205/0007 , G03B2205/003 , G03B2205/0069
Abstract: A present disclosure relates to a prism apparatus, a camera apparatus and an image display apparatus including same. The prism apparatus according to one embodiment of the present disclosure includes a prism holder for fixing a prism to a first surface; a yoke of which a first surface is attached to a second surface of the prism holder which is rear surface of the first surface of the prism holder; a drive magnet attached to a second surface of the yoke which is rear surface of the first surface of the yoke; a sensor magnet disposed above the yoke; a hall sensor spaced apart from the sensor magnet; and a sensor magnet supporter to which the sensor magnet is attached. Accordingly, the magnetic field is detected accurately.
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公开(公告)号：US11852893B2
公开(公告)日：2023-12-26
申请号：US17042074
申请日：2019-03-26
Applicant: LG ELECTRONICS INC.
Inventor： Hyungjoo Kang , Kwanhyung Kim , Dongryeol Lee , Jayong Lee , Jongwoo Jeong
IPC: G02B7/18 , G02B27/64 , G02B13/00 , G03B5/00 , G03B17/17 , G03B30/00 , H04N23/55 , H04N23/68 , G02B5/04
CPC classification number: G02B7/1805 , G02B5/04 , G02B13/0065 , G02B27/646 , G03B5/00 , G03B17/17 , G03B30/00 , H04N23/55 , H04N23/686 , H04N23/6812 , G03B2205/003
Abstract: A prism apparatus, and a camera and an image display apparatus including the same are disclosed. The prism apparatus includes: a first prism configured to reflect input light toward a first reflected direction, a first actuator configured to change an angle of the first prism about a first rotation axis to change the first reflected direction based on a first control signal, a second prism configured to reflect the light reflected from the first prism toward a second reflected direction, and a second actuator configured to change an angle of the second prism about a second rotation axis to change the second reflected direction based on a second control signal.
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