Patents by Inventor Yi-Liang Chan
Yi-Liang Chan 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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Patent number: 9785038Abstract: A tilt-type anti-shake compensation structure for auto-focus module includes an auto-focus module having a lens assembly held thereto and driving the latter to move forward and rearward in a light entering path, i.e. in z-axis direction, so as to focus a captured image; an outer frame enclosing the auto-focus module therein, and having an elastic supporting member provided therein to connect to and between upper ends of the outer frame and the auto-focus module; and a compensation driving unit arranged behind the auto-focus module for driving the auto-focus module to tilt leftward and rightward on x-axis, or forward and rearward on y-axis, within the outer frame, so as to compensate any image deviation due to shake caused by hands. The anti-shake structure is simple and can quickly compensate shake caused by hands.Type: GrantFiled: March 24, 2014Date of Patent: October 10, 2017Assignee: TDK Taiwan CorporationInventors: Fu-Yuan Wu, Chao-Chang Hu, Yi-Liang Chan
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Publication number: 20170285443Abstract: A camera module is provided, including a holder, a base, a bottom, an image sensor, and a first biasing element. The holder holds an optical lens and is disposed on the base. The bottom supports the image sensor and connects to the base via the first biasing element. The bottom and the image sensor can be moved with respect to the base by the first biasing element.Type: ApplicationFiled: March 27, 2017Publication date: October 5, 2017Inventors: Chao-Chang HU, Chen-Hsien FAN, Yi-Liang CHAN
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Publication number: 20170289455Abstract: A camera module is provided, disposed in an electronic device, including a base, a holder, an image sensor, a bottom, and a first biasing element. The base is fixed to a casing of the electronic device. The holder is configured to hold an optical lens and connects to the base. The image sensor is supported by the bottom. The base is situated between the holder and the bottom. The first biasing element connects to the bottom and the base, and forces the bottom and the image sensor to move relative to the base.Type: ApplicationFiled: March 31, 2017Publication date: October 5, 2017Inventors: Chao-Chang HU, Chen-Hsien FAN, Yi-Liang CHAN
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Publication number: 20170285362Abstract: A lens driving mechanism is provided. The lens driving mechanism is configured to drive an optical lens, including a holder, a base, a first elastic element, and a first biasing element. The optical lens is disposed in a receiving space of the holder. The base has a central axis, and the holder is movable relative to the base. The first elastic element is connected to the holder and the base. The first biasing element exerts a force on the holder so that an optical axis of the optical lens has an angular displacement relative to the central axis.Type: ApplicationFiled: March 20, 2017Publication date: October 5, 2017Inventors: Chao-Chang HU, Chen-Hsien FAN, Yi-Liang CHAN
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Publication number: 20170168314Abstract: An optical image stabilization mechanism is provided, including a holder for holding a lens, a frame, a base, a first coil, a second coil, a displacement sensor, a first magnetic element, a second magnetic element, and a third magnetic element. The frame is movably connected to the holder and the base. The first coil is disposed on a side of the holder. The second coil is disposed on the base. The first and second magnetic elements are disposed on the frame and correspond to the first coil. The magnetic pole direction of the first magnetic element is opposite to that of the second magnetic element. The third magnetic element is disposed on the frame and corresponds to the second coil. The displacement sensor is disposed on the base to detect relative displacement between the lens and the base.Type: ApplicationFiled: November 28, 2016Publication date: June 15, 2017Inventors: Yi-Liang CHAN, Shang-Yu HSU
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Publication number: 20170153409Abstract: A lens driving device is provided, including a frame, a lens holder, a spring sheet, and at least one damping element. The lens holder is movably disposed in the frame. The spring sheet has an outer periphery portion combined with the frame, an inner periphery portion combined with the lens holder, and an arm portion connected between the outer periphery portion and the inner periphery portion. The damping element is connected between the arm portion of the spring sheet and at least one of the frame and the lens holder.Type: ApplicationFiled: June 13, 2016Publication date: June 1, 2017Inventor: Yi Liang CHAN
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Publication number: 20170146769Abstract: An electromagnetic driving device is provided, which includes a movable member, a stationary member, a driving magnet, a driving coil, a conductive layer, and an external terminal. The movable member and the stationary member are arranged separate from each other along a main axis. The driving magnet is positioned on the movable member. The driving coils are arranged corresponding to the driving magnet and are disposed in the stationary member. The conductive layer is electrically connected to the driving coils and is disposed in the stationary member. The external terminal is exposed by the fixed member and electrically connected to the conductive layer. The thickness of the external terminal is different from the thickness of the conductive layer.Type: ApplicationFiled: October 17, 2016Publication date: May 25, 2017Inventors: Shih-Ting HUANG, Yu-Huai LIAO, Yi-Liang CHAN, Ichitai MOTO
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Publication number: 20170031131Abstract: A driving assembly is provided. The driving assembly includes a fixed member, a movable member, a driving magnet unit, a coil, and a focusing magnetic element. The movable member is arranged to be movable relative to the fixed member in a main axis via a magnetic force generated by the coil and the driving magnet unit. Additionally, the resonance of the movable member is inhibited by a magnetic force generated by the focusing magnetic element and the driving magnet unit.Type: ApplicationFiled: May 27, 2016Publication date: February 2, 2017Inventors: Yi Liang CHAN, Yusheng LI
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Patent number: 9377670Abstract: A lens module, defined with an X-axis, a Y-axis and a Z-axis perpendicular to each other, includes an image sensor module, an optical lens module and a compensation module. The image sensor module is located on an X-Y plane. The optical lens module, located corresponding to the image sensor module, has an image capturing axis extending along the Z-axis. The compensation module, located between the image sensor module and the optical lens module for compensating a deviation position and a tilt angle of the optical lens module, includes a bulged cambered surface and a concaved cambered surface corresponding to the bulged cambered surface. The bulged cambered surface is synchronously movable with the image capturing axis of the optical lens module and can slide relative to the concaved cambered surface, so as to compensate the tilt between the image capturing axis and the image sensor module.Type: GrantFiled: March 3, 2015Date of Patent: June 28, 2016Assignee: TDK Taiwan, Corp.Inventor: Yi Liang Chan
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Publication number: 20150264240Abstract: A lens module, defined with an X-axis, a Y-axis and a Z-axis perpendicular to each other, includes an image sensor module, an optical lens module and a compensation module. The image sensor module is located on an X-Y plane. The optical lens module, located corresponding to the image sensor module, has an image capturing axis extending along the Z-axis. The compensation module, located between the image sensor module and the optical lens module for compensating a deviation position and a tilt angle of the optical lens module, includes a bulged cambered surface and a concaved cambered surface corresponding to the bulged cambered surface. The bulged cambered surface is synchronously movable with the image capturing axis of the optical lens module and can slide relative to the concaved cambered surface, so as to compensate the tilt between the image capturing axis and the image sensor module.Type: ApplicationFiled: March 3, 2015Publication date: September 17, 2015Applicant: TDK Taiwan Corp.Inventor: Yi Liang CHAN
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Patent number: 8982464Abstract: A tilt-type anti-shake compensation structure for auto-focus module includes an auto-focus module having a lens assembly held thereto and driving the latter to move forward and rearward in a light entering path, i.e. in z-axis direction, so as to focus a captured image; an outer frame enclosing the auto-focus module therein, and having an elastic supporting member provided therein to connect to and between upper ends of the outer frame and the auto-focus module; and a compensation driving unit arranged behind the auto-focus module for driving the auto-focus module to tilt leftward and rightward on x-axis, or forward and rearward on y-axis, within the outer frame, so as to compensate any image deviation due to shake caused by hands. The anti-shake structure is simple and can quickly compensate shake caused by hands.Type: GrantFiled: October 22, 2010Date of Patent: March 17, 2015Assignee: TDK Taiwan CorporationInventors: Yi-Liang Chan, Chao-Chang Hu, Fu-Yuan Wu
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Publication number: 20140205274Abstract: A tilt-type anti-shake compensation structure for auto-focus module includes an auto-focus module having a lens assembly held thereto and driving the latter to move forward and rearward in a light entering path, i.e. in z-axis direction, so as to focus a captured image; an outer frame enclosing the auto-focus module therein, and having an elastic supporting member provided therein to connect to and between upper ends of the outer frame and the auto-focus module; and a compensation driving unit arranged behind the auto-focus module for driving the auto-focus module to tilt leftward and rightward on x-axis, or forward and rearward on y-axis, within the outer frame, so as to compensate any image deviation due to shake caused by hands. The anti-shake structure is simple and can quickly compensate shake caused by hands.Type: ApplicationFiled: March 24, 2014Publication date: July 24, 2014Applicant: TDK TAIWAN CorporationInventors: Fu-Yuan Wu, Chao-Chang Hu, Yi-Liang Chan
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Patent number: 8380057Abstract: An anti-shake structure for auto-focus module includes an auto-focus module for driving a lens to move forward and rearward in a light incident path, i.e. in z-axis direction, so that the lens focuses light on an image sensor; a frame for holding the auto-focus module therein; a lens suspender with a compensation lens arranged thereon being connected to a plurality of suspension wires while the latter are connected at respective another end to the top cover plate of the frame, so that the compensation lens is correspondingly suspended in the frame in the light incident path and located behind the lens; and a shake compensation driving unit for driving the lens suspender to move horizontally along x-axis or y-axis direction, so as to compensate any image shift caused by hand shaking.Type: GrantFiled: May 14, 2012Date of Patent: February 19, 2013Assignee: TDK Taiwan CorporationInventors: Fu-Yuan Wu, Chao-Chang Hu, Yi-Liang Chan
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Publication number: 20120224841Abstract: An anti-shake structure for auto-focus module includes an auto-focus module for driving a lens to move forward and rearward in a light incident path, i.e. in z-axis direction, so that the lens focuses light on an image sensor; a frame for holding the auto-focus module therein; a lens suspender with a compensation lens arranged thereon being connected to a plurality of suspension wires while the latter are connected at respective another end to the top cover plate of the frame, so that the compensation lens is correspondingly suspended in the frame in the light incident path and located behind the lens; and a shake compensation driving unit for driving the lens suspender to move horizontally along x-axis or y-axis direction, so as to compensate any image shift caused by hand shaking.Type: ApplicationFiled: May 14, 2012Publication date: September 6, 2012Inventors: Fu-Yuan WU, Chao-Chang Hu, Yi-Liang Chan
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Patent number: 8254769Abstract: An anti-shake structure for auto-focus module includes an auto-focus module for driving a lens to move forward and rearward in a light entering path, i.e. in z-axis direction, so that the lens focuses light on an image sensor; a frame for holding the auto-focus module therein; a lens suspender with a compensation lens arranged thereon being connected to a plurality of suspension wires while the latter are connected at respective another end to the top cover plate of the frame, so that the compensation lens is correspondingly suspended in the frame in the light entering path and located behind the lens; and a shake compensation driving unit for driving the lens suspender to move horizontally in x-axis or y-axis direction, so as to compensate any image shift caused by hand shaking.Type: GrantFiled: March 4, 2010Date of Patent: August 28, 2012Assignee: TDK Taiwan Corp.Inventors: Fu-Yuan Wu, Chao-Chang Hu, Yi-Liang Chan
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Publication number: 20120099201Abstract: A tilt-type anti-shake compensation structure for auto-focus module includes an auto-focus module having a lens assembly held thereto and driving the latter to move forward and rearward in a light entering path, i.e. in z-axis direction, so as to focus a captured image; an outer frame enclosing the auto-focus module therein, and having an elastic supporting member provided therein to connect to and between upper ends of the outer frame and the auto-focus module; and a compensation driving unit arranged behind the auto-focus module for driving the auto-focus module to tilt leftward and rightward on x-axis, or forward and rearward on y-axis, within the outer frame, so as to compensate any image deviation due to shake caused by hands. The anti-shake structure is simple and can quickly compensate shake caused by hands.Type: ApplicationFiled: October 22, 2010Publication date: April 26, 2012Inventors: Yi-Liang Chan, Chao-Chang Hu, Fu-Yuan Wu
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Publication number: 20110217029Abstract: An anti-shake structure for auto-focus module includes an auto-focus module for driving a lens to move forward and rearward in a light entering path, i.e. in z-axis direction, so that the lens focuses light on an image sensor; a frame for holding the auto-focus module therein; a lens suspender with a compensation lens arranged thereon being connected to a plurality of suspension wires while the latter are connected at respective another end to the top cover plate of the frame, so that the compensation lens is correspondingly suspended in the frame in the light entering path and located behind the lens; and a shake compensation driving unit for driving the lens suspender to move horizontally in x-axis or y-axis direction, so as to compensate any image shift caused by hand shaking.Type: ApplicationFiled: March 4, 2010Publication date: September 8, 2011Inventors: Fu-Yuan Wu, Chao-Chang Hu, Yi-Liang Chan
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Publication number: 20110002055Abstract: A lens structure in lens driving mechanism includes a lens unit having a lens barrel consists of at least one lens and a lens brace and a barrel holder. The lens and the lens brace are connected to one another by applying a bonding agent on an outer periphery of the lens and an inner wall surface of the lens brace without using any screwing structure. The barrel holder is a hollow cylindrical member for receiving the lens barrel therein, and the lens barrel and the barrel holder are connected to one another by applying a bonding agent on an outer periphery of the lens brace and an inner wall surface of the barrel holder without using any screwing structure. Therefore, space that is otherwise occupied by the screwing structure is saved to enable further miniaturized lens structure, and frictional contact wear in the screwing structure is avoided.Type: ApplicationFiled: July 2, 2009Publication date: January 6, 2011Inventor: Yi-Liang CHAN