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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Publication number: 20210080745Abstract: An optical member driving mechanism is provided, including a movable module, a first driving module, and a position detecting module. The movable module includes an optical member holder and a housing. The first driving module includes a first electromagnetic driving assembly disposed on the optical member holder and a second electromagnetic driving assembly disposed on the housing. The first driving module can drive the optical member holder to move relative to the housing. The position detecting module includes a magnetic member and a position detector. The magnetic member is disposed on the optical member holder. The position detector can detect the position of the optical member holder relative to the housing according to a variation in magnetic field direction.Type: ApplicationFiled: November 23, 2020Publication date: March 18, 2021Inventors: Yi-Ho CHEN, Ichitai MOTO, Yi-Liang CHAN, Chen-Chi KUO, Sin-Jhong SONG
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Patent number: 10935809Abstract: 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: GrantFiled: May 20, 2019Date of Patent: March 2, 2021Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Chen-Hsien Fan, Yi-Liang Chan
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Publication number: 20210011248Abstract: 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: September 28, 2020Publication date: January 14, 2021Inventor: Yi Liang CHAN
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Patent number: 10877290Abstract: An optical member driving mechanism is provided, including a movable module, a first driving module, and a position detecting module. The movable module includes an optical member holder and a housing. The first driving module includes a first electromagnetic driving assembly disposed on the optical member holder and a second electromagnetic driving assembly disposed on the housing. The first driving module can drive the optical member holder to move relative to the housing. The position detecting module includes a magnetic member and a position detector. The magnetic member is disposed on the optical member holder. The position detector can detect the position of the optical member holder relative to the housing according to a variation in magnetic field direction.Type: GrantFiled: November 14, 2017Date of Patent: December 29, 2020Assignee: TDK Taiwan Corp.Inventors: Yi-Ho Chen, Ichitai Moto, Yi-Liang Chan, Chen-Chi Kuo, Sin-Jhong Song
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Publication number: 20200393642Abstract: An optical element driving mechanism is provided and includes a fixed assembly, a movable assembly, a driving assembly and a stopping assembly. The fixed assembly has a main axis. The movable assembly is configured to connect an optical element, and the movable assembly is movable relative to the fixed assembly. The driving assembly is configured to drive the movable assembly to move relative to the fixed assembly. The stopping assembly is configured to limit the movement of the movable assembly relative to the fixed assembly within a range of motion.Type: ApplicationFiled: June 12, 2020Publication date: December 17, 2020Inventors: Chao-Chang HU, Liang-Ting HO, Chen-Er HSU, Yi-Liang CHAN, Fu-Lai TSENG, Fu-Yuan WU, Chen-Chi KUO, Ying-Jen WANG, Wei-Han HSIA, Yi-Hsin TSENG, Wen-Chang LIN, Chun-Chia LIAO, Shou-Jen LIU, Chao-Chun CHANG, Yi-Chieh LIN, Shang-Yu HSU, Yu-Huai LIAO, Shih-Wei HUNG, Sin-Hong LIN, Kun-Shih LIN, Yu-Cheng LIN, Wen-Yen HUANG, Wei-Jhe SHEN, Chih-Shiang WU, Sin-Jhong SONG, Che-Hsiang CHIU, Sheng-Chang LIN
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Publication number: 20200363648Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable part, a fixed part, a driving assembly, and a position sensing assembly. The movable part is used for connecting to an optical element. The movable part is movable relative to the fixed part. The driving assembly is used for driving the movable part to move relative to the fixed part in a first direction. The position sensing assembly is used for detecting movement of the moved part relative to the fixed part in the first direction. The position sensing assembly includes a reference element and a position sensor corresponding to the reference element. When viewed in any direction perpendicular to the first direction, the reference element does not overlap the position sensor.Type: ApplicationFiled: August 5, 2020Publication date: November 19, 2020Inventors: Ichitai MOTO, Yi-Liang CHAN
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Patent number: 10830981Abstract: 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: GrantFiled: October 18, 2018Date of Patent: November 10, 2020Assignee: TDK TAIWAN CORP.Inventor: Yi-Liang Chan
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Patent number: 10823932Abstract: 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: GrantFiled: January 8, 2019Date of Patent: November 3, 2020Assignee: TDK Taiwan CorporationInventor: Yi Liang Chan
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Publication number: 20200341235Abstract: A circuit module is provided and includes a metal substrate, an insulating layer, and a circuit element. The metal substrate includes a main body, a bent portion, and an opening. The opening is formed between the main body and the bent portion, and the bent portion is bent relative to the main body. The insulating layer is disposed on the metal substrate. The circuit element is disposed on the insulating layer and is extended across the opening.Type: ApplicationFiled: July 14, 2020Publication date: October 29, 2020Inventors: Chao-Chang HU, Yi-Liang CHAN
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Patent number: 10768438Abstract: An optical element driving device is provided, including a fixed part including a base; a movable part including a holder for carrying an optical element, a first driving mechanism configured to drive the holder to move along a first direction with respect to the base, and a position sensing assembly including a magnetic element and a magnetic field sensing element in corresponding positions and configured to sense the amount of displacement of the holder along the first direction with respect to the base, wherein the position sensing assembly and the magnetic element do not overlap with each other when viewed along a direction perpendicular to the first direction.Type: GrantFiled: May 3, 2019Date of Patent: September 8, 2020Assignee: TDK TAIWAN CORP.Inventors: Ichitai Moto, Yi-Liang Chan
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Patent number: 10746956Abstract: A circuit module is provided and includes a metal substrate, an insulating layer, and a circuit element. The metal substrate includes a main body, a bent portion and an opening. The opening is formed between the main body and the bent portion, and the bent portion is bent relative to the main body. The insulating layer is disposed on the metal substrate. The circuit element is disposed on the insulating layer and is extended across the opening.Type: GrantFiled: April 20, 2018Date of Patent: August 18, 2020Assignee: TDK Taiwan Corp.Inventors: Chao-Chang Hu, Yi-Liang Chan
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Patent number: 10739608Abstract: An optical element driving device is provided, including a fixed part, a movable part, a driving mechanism, and a position sensing assembly. The fixed part includes a base. The movable part includes a holder for carrying an optical element. The driving mechanism is configured to drive the holder to move along a first direction with respect to the base. The position sensing assembly includes a magnetic element and a magnetic field sensing element in corresponding positions. The magnetic element is configured to sense the amount of displacement of the holder along the first direction with respect to the base. The magnetic pole direction of the magnetic element is different from the first direction.Type: GrantFiled: August 3, 2017Date of Patent: August 11, 2020Assignee: TDK TAIWAN CORP.Inventors: Ichitai Moto, Yi-Liang Chan
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Publication number: 20200225505Abstract: A lens driving module is provided, configured to drive an optical element, including a holder, a circuit board assembly, a base module, and a magnetic element. The optical element is disposed in the holder, and the circuit board assembly has a driving coil. The base module has a metal substrate, an insulating layer, a circuit layer electrically connected with the driving coil, and a protective layer. The metal substrate has a bent portion where an opening is formed on. A wire of the circuit layer extends across the opening and forms a bridging portion. The protective layer has a protruding portion extending over the opening and covers the bridging portion. The magnetic element is coupled to the driving coil, and the two are configured to drive the optical element to move relative to the base module.Type: ApplicationFiled: March 25, 2020Publication date: July 16, 2020Inventors: Yi-Liang CHAN, Fu-Yuan WU, Chin-Ming HU, Ichitai MOTO, Sin-Jhong SONG
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Publication number: 20200195850Abstract: 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: February 21, 2020Publication date: June 18, 2020Inventors: Chao-Chang HU, Chen-Hsien FAN, Yi-Liang CHAN
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Patent number: 10634929Abstract: A lens driving module is provided, configured to drive an optical element, including a holder, a circuit board assembly, a base module, and a magnetic element. The optical element is disposed in the holder, and the circuit board assembly has a driving coil. The base module has a metal substrate, an insulating layer, a circuit layer electrically connected with the driving coil, and a protective layer. The metal substrate has a bent portion where an opening is formed on. A wire of the circuit layer extends across the opening and forms a bridging portion. The protective layer has a protruding portion extending over the opening and covers the bridging portion. The magnetic element is coupled to the driving coil, and the two are configured to drive the optical element to move relative to the base module.Type: GrantFiled: September 12, 2018Date of Patent: April 28, 2020Assignee: TDK Taiwan Corp.Inventors: Yi-Liang Chan, Fu-Yuan Wu, Chin-Ming Hu, Ichitai Moto, Sin-Jhong Song
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Patent number: 10616487Abstract: 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: GrantFiled: March 31, 2017Date of Patent: April 7, 2020Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Chen-Hsien Fan, Yi-Liang Chan
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Patent number: 10564384Abstract: A lens driving module is provided and includes a movable member for holding a lens, a fixed member movably connected to the movable member and includes a bottom spaced apart from the movable member, a first electromagnetic component, and an adhesive material disposed on the bottom. The bottom includes a conductive layer formed in the bottom and electrically connected to the first electromagnetic component, a position sensor electrically connected to the conductive layer, and a terminal electrically connected to the conductive layer and exposed by and partially embedded in the bottom, wherein a distance between an upper surface of the bottom and the movable member is less than a distance between the adhesive material and the movable member, a recess is formed on the upper surface, and the position sensor is disposed in the recess.Type: GrantFiled: March 4, 2019Date of Patent: February 18, 2020Assignee: TDK Taiwan Corp.Inventors: Shih-Ting Huang, Yu-Huai Liao, Yi-Liang Chan, Ichitai Moto
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Publication number: 20200033554Abstract: A driving mechanism is provided and includes a holder, a frame, a resilient element and a first driving assembly. The holder includes a first holder surface for holding an optical element having an optical axis. The frame is movably connected to the holder and includes a first frame surface. The holder is movably connected to the frame through the first resilient element. The first driving assembly is adjacent to the holder and is used for driving the holder to move relative to the frame, wherein both the first holder surface and the first frame surface face the first resilient element and do not contact the first resilient element, and the shortest distance between the first holder surface and the first resilient element is different than the shortest distance between the first frame surface and the first resilient element.Type: ApplicationFiled: July 25, 2019Publication date: January 30, 2020Inventors: Yi-Liang CHAN, Fu-Yuan WU, Yi-Hsin NIEH, Yi-Ho CHEN, Tsung-Han WU, Yung-Ping YANG
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Publication number: 20190353982Abstract: 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: August 5, 2019Publication date: November 21, 2019Inventors: Chao-Chang HU, Chen-Hsien FAN, Yi-Liang CHAN
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Patent number: 10416532Abstract: 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: GrantFiled: March 27, 2017Date of Patent: September 17, 2019Assignee: TDK Taiwan Corp.Inventors: Chao-Chang Hu, Chen-Hsien Fan, Yi-Liang Chan