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公开(公告)号：US20210223566A1
公开(公告)日：2021-07-22
申请号：US17224840
申请日：2021-04-07
Applicant: TDK TAIWAN CORP.
Inventor： Chao-Chang HU , Cheng-Kai YU
Abstract: An optical system is provided and includes a fixed module, a movable module, a driving coil, a sensing unit and a driving assembly. The fixed module includes an outer frame, and the movable module includes an optical member holder, configured to hold an optical member. The sensing unit is configured to obtain information related to a first rotation angle of the holder when rotating around a first axis relative to the outer frame and a second rotation angle of the optical member holder when rotating around a second axis relative to the outer frame. The driving assembly is for driving the optical member holder to rotate around the first axis or the second axis according to the information related to the first rotation angle and the second rotation angle. The first axis or the second axis is perpendicular to an optical axis of the optical member.
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公开(公告)号：US20200150381A1
公开(公告)日：2020-05-14
申请号：US16743358
申请日：2020-01-15
Applicant: TDK TAIWAN CORP.
Inventor： Cheng-Kai YU , Yi-Ho CHEN , Chao-Chang HU , Sin-Jhong SONG
Abstract: An optical member driving module is provided, including a moving mechanism, a base, a suspension wire, and an electromagnetic driving mechanism for driving the moving mechanism to move relative to the base. The moving mechanism includes an optical member holder, and the base has a first surface, a second surface, and an opening. The second surface faces the optical member holder and is opposite to the first surface. The opening extends from the first surface to the second surface. The suspension wire extends through the opening, and the opposite ends of the suspension wire are respectively affixed to the first surface and the moving mechanism.
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公开(公告)号：US20180136438A1
公开(公告)日：2018-05-17
申请号：US15816020
申请日：2017-11-17
Applicant: TDK TAIWAN CORP.
Inventor： Liang-Ting HO , Cheng-Kai YU , Chao-Chang HU , Chih-Wei WENG , Che-Wei CHANG
CPC classification number: G02B7/1805 , G02B7/005 , G02B13/001 , G02B27/64 , G02B27/646 , G03B5/00 , G03B2205/003 , G03B2205/0069 , H02K7/06 , H02K41/0356 , H02K2201/18
Abstract: A driving mechanism for supporting an optical member is provided, including a fixed module, a movable module, a driving module disposed therebetween, and an elastic member. The driving module can drive the movable module to rotate around a first rotation axis relative to the fixed module. The elastic member includes a first connecting portion connected to the movable module, a second connecting portion connected to the fixed module, a first string portion connected to the first connecting portion, and a first buffer portion connected to the first string portion. The first string portion is disposed on the first rotation axis. The longitudinal axis of the first string portion is parallel to the first rotation axis. The first buffer portion has wave-shaped structure.
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公开(公告)号：US20180120587A1
公开(公告)日：2018-05-03
申请号：US15855130
申请日：2017-12-27
Applicant: TDK TAIWAN CORP.
Inventor： Chao-Chang HU , Shu-Shan CHEN , Cheng-Kai YU , Bing-Ru SONG
CPC classification number: G02B27/646 , G02B7/10 , G03B3/10 , G03B5/02 , G03B2205/0015 , G03B2205/0069 , H04N5/23287
Abstract: The present invention discloses a lens driving apparatus with a closed-loop anti-shake structure, comprising: a lens holder comprising a coil; a frame comprising a plurality of magnets and receiving the lens holder; a driving circuit board disposed under the frame; a plurality of first set of elastic bodies configured such that the lens holder remains movable in a direction of a first axis with respect to the frame; a plurality of second set of elastic bodies configured such that the frame remains movable in a direction perpendicular to the first axis with respect to the driving circuit board; and a first optical module and a first optical reference respectively disposed at the driving circuit board and the lens holder, the first optical module sensing a relative movement of the first optical reference so as to sense a movement of the lens holder in the direction of the first axis.
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公开(公告)号：US20170168258A1
公开(公告)日：2017-06-15
申请号：US15363688
申请日：2016-11-29
Applicant: TDK TAIWAN CORP.
Inventor： Chao-Chang HU , Cheng-Kai YU
IPC: G02B7/08
CPC classification number: G02B7/08
Abstract: An electromagnetic driving device is provided, which includes a movable member, a stationary member, a suspension member, and an energy-absorbing glue. The movable member and the stationary member are arranged along a main axis. The suspension member extends along a direction parallel to the main axis, and the two ends thereof are respectively connected to the movable member and the stationary member so as to enable the movable member to be suspended over the stationary member. A segment of the suspension member is covered in the energy-absorbing glue, and the energy-absorbing glue connects the suspension member to the movable member.
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Patent Agency Ranking
公开(公告)号：US20150331251A1
公开(公告)日：2015-11-19
申请号：US14712056
申请日：2015-05-14
Applicant: TDK TAIWAN CORP.
Inventor： Chao-Chang HU , Shu-Shan CHEN , Cheng-Kai YU , Bing-Ru SONG
CPC classification number: G03B5/00 , G02B7/04 , G02B27/646 , G03B2205/0015 , H02K41/0356 , H04N5/23287
Abstract: Provided is a lens driving device which includes: a lens holder including a coil; a frame for receiving the lens holder; a driving circuit board disposed below the frame; a plurality of first conductive elastic bodies disposed in a manner to keep the lens holder moving in a Z-axis direction; and a plurality of second conductive elastic bodies disposed in a manner to keep the frame moving in a direction perpendicular to the Z-axis direction. The lens driving device further comprises a plurality of electrical contact-oriented Z-axis position sensor. The Z-axis position sensor senses the motion of the lens holder in the Z-axis direction. An electronic circuit between a portion of the plurality of electrical contacts and the coil of the lens holder comprises a Molded Interconnect Device and a portion of the first conductive elastic bodies. The Molded Interconnect Device is disposed on the frame.
Abstract translation: 本发明提供一种透镜驱动装置，其具备：包括线圈的透镜保持架; 用于接收透镜架的框架; 布置在所述框架下方的驱动电路板; 多个第一导电性弹性体，其以使保持透镜保持架沿Z轴方向移动的方式配置; 以及多个第二导电弹性体，以使框架在与Z轴方向正交的方向移动的方式配置。 透镜驱动装置还包括多个电接触定向的Z轴位置传感器。 Z轴位置传感器检测透镜架在Z轴方向的运动。 多个电触点的一部分和透镜保持器的线圈之间的电子电路包括模制互连装置和第一导电弹性体的一部分。 模制互连装置设置在框架上。
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公开(公告)号：US20240004266A1
公开(公告)日：2024-01-04
申请号：US18470045
申请日：2023-09-19
Applicant: TDK TAIWAN CORP.
Inventor： Cheng-Kai YU , Chen-Hsien FAN , Chao-Chang HU , Shu-Shan CHEN , Chih-Wei WENG
Abstract: An optical element driving mechanism includes a movable portion, a fixed portion, a driving assembly, a guiding assembly, and a metallic member. The movable portion is configured to connect an optical element. The optical element is configured to correspond to light reflected by a reflection element, and the reflection element is configured to change a traveling direction of the light from an incident direction to a first direction. The fixed portion includes a base, and the movable portion is movable relative to the fixed portion. The driving assembly is configured to drive the movable portion to move relative to the fixed portion. The guiding assembly includes a plurality of guiding elements. The metallic member is disposed in the base. When viewed from the incident direction, the metallic member is at least partially located between the guiding elements.
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公开(公告)号：US20200371319A1
公开(公告)日：2020-11-26
申请号：US16993565
申请日：2020-08-14
Applicant: TDK TAIWAN CORP.
Inventor： Chao-Chang HU , Chen-Hsien FAN , Cheng-Kai YU , Chih-Wei WENG , Shu-Shan CHEN
Abstract: A camera system including a telephoto lens module is provided. The telephoto lens module includes a first image sensor, a first assembly, and a second assembly. The first assembly includes a first driving mechanism and a reflecting member connected to the first driving mechanism. The first driving mechanism is configured to drive the reflecting member to rotate around a first axis and a second axis. The second assembly is disposed between the first assembly and the first image sensor, including a second driving mechanism and a first lens. The second driving mechanism is configured to drive the first lens to move along a third axis. The first, second, and third axes are not parallel to each other. When light enters the telephoto lens along the first axis, light is reflected by the reflecting member and through the first lens along the third axis to the first image sensor.
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公开(公告)号：US20190235350A1
公开(公告)日：2019-08-01
申请号：US16381273
申请日：2019-04-11
Applicant: TDK TAIWAN CORP.
Inventor： Cheng-Kai YU , Chen-Hsien FAN , Chao-Chang HU , Shu-Shan CHEN , Chih-Wei WENG
Abstract: A lens driving module includes a reflecting element, a base, a frame, a holder, an optical lens, a first electromagnetic driving assembly, and a second electromagnetic driving assembly. The frame is connected to the base, and the holder holds the optical lens and movably connects to the base. The reflecting element reflects light from the outside along a light incident direction to an optical lens along a first direction, wherein the light incident direction is perpendicular to the first direction. The first and second electromagnetic driving assemblies force the holder to move relative to the base, wherein the first electromagnetic driving assembly has a first drive coil, the second electromagnetic driving assembly has a second drive coil, the first and second drive coils have elongated structures extending in a second direction and the first direction respectively, and the first direction is perpendicular to the second direction.
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公开(公告)号：US20190115818A1
公开(公告)日：2019-04-18
申请号：US16049277
申请日：2018-07-30
Applicant: TDK TAIWAN CORP.
Inventor： Cheng-Kai YU , Liang-Ting HO , Shu-Shan CHEN , Chao-Chang HU
IPC: H02K41/035 , H02K11/22 , H02K11/215 , G03B13/36 , G03B5/04
Abstract: An electromagnetic driving module is provided, including a first member, a second member movably connected to the first member, an electromagnetic driving assembly, and a film. The electromagnetic driving assembly includes a magnet and a coil respectively disposed on the first and second members, so as to move the second member relative to the first member. The film is disposed on a side of the magnet to reduce magnetic interference between the magnet and a magnetic element, wherein the magnetic permeability of the film is higher than the magnetic permeability of the first member.
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