Patents by Inventor Wei-Pin Chuang
Wei-Pin Chuang 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: 12198876Abstract: A key structure including a first electrode, a key cap, and a restoration member is provided. The key cap is disposed on the first electrode. The restoration member is disposed between the key cap and the first electrode. The key cap or the restoration member has a second electrode. A sensing signal is generated by the second electrode with the key cap or the restoration member moving relative to the first electrode.Type: GrantFiled: December 15, 2021Date of Patent: January 14, 2025Assignee: Lite-On Technology CorporationInventors: Chun-Chieh Huang, Ming-Fu Yen, Che Hung Wu, Juo-Tau Lee, Ta-Ching Lu, Chieh-Liang Hsiao, Wei-Pin Chuang
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Patent number: 11887791Abstract: A key module includes a bottom plate, a circuit layer, a key cap, a supporting structure, a touch member, and a flexible circuit board. The bottom plate has a first surface and a second surface opposite to each other. The circuit layer is disposed on the first surface and has a first opening. The key cap is disposed above the circuit layer and covers the first opening. The supporting structure is disposed between the bottom plate and the key cap. The touch member is disposed at the key cap. The flexible circuit board is electrically connected to the touch member and passes through the first opening to extend next to the second surface of the bottom plate. When the key cap moves downward relative to the bottom plate, a portion of the flexible circuit board located between the key cap and the bottom plate is bent.Type: GrantFiled: June 16, 2020Date of Patent: January 30, 2024Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventors: Jian-Jhih Chen, Ming-Fu Yen, Wei-Pin Chuang
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Patent number: 11804341Abstract: The present invention provides a keycap, method for manufacturing a keycap, and keyswitch. The keycap comprises an inner keycap member, an outer keycap member, and a character layer. The inner keycap member comprises an inner body and an inner sidewall. The inner sidewall is disposed on the periphery of the inner body. The outer keycap member is disposed on the inner keycap member. The outer keycap member comprises an outer body and an outer sidewall. The outer sidewall is disposed on the periphery of the outer body. The outer body is corresponding to the inner body. The outer sidewall corresponds to the inner sidewall. The character layer is disposed between the inner keycap member and the outer keycap member. The character layer comprises a character pattern disposed between the outer body and the inner body.Type: GrantFiled: November 24, 2020Date of Patent: October 31, 2023Assignees: LITE-ON Technology (Chang Zhou) Co., LTD., LITE-ON Technology CorporationInventors: XiaoQiang Liang, Wei-Pin Chuang, Lei Shi, ZhangDong Tan
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Patent number: 11749473Abstract: The invention provides a keyboard module and a keyboard device. The keyboard module includes a circuit assembly, a plurality of key assemblies, and at least one microphone. The circuit assembly has a signal output interface. The key assemblies are configured on the circuit assembly, and each key assembly is adapted to be pressed to drive the circuit assembly to generate a tapping signal. The microphone is electrically connected to the circuit assembly. The tapping signal and a sound signal generated by the microphone are respectively transmitted out of the keyboard module through the signal output interface.Type: GrantFiled: May 17, 2020Date of Patent: September 5, 2023Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventors: Wei-Pin Chuang, Min-Chuan Shao
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Patent number: 11631552Abstract: The present disclosure provides a keyswitch comprising a baseplate, a circuit layer, an elastic part, a thin film, a keycap, and a linkage component. The circuit layer is disposed on the baseplate. The baseplate penetrates and is exposed from the circuit layer. The elastic part is disposed on the circuit layer. The thin film is disposed on the circuit layer. The thin film is provided with an opening. The baseplate penetrates and is exposed from the opening. The elastic part protrudes from the opening. The keycap is disposed above the elastic part and covers the elastic part. Two ends of the linkage component are respectively connected to the baseplate and the keycap. The elastic part is disposed in the linkage component. The linkage component drives the keycap to move up and down relative to the baseplate. The thin film is disposed on the movement path of the keycap.Type: GrantFiled: September 21, 2020Date of Patent: April 18, 2023Assignees: Lite-On Technology (Chang Zhou) Co., Ltd., Lite-On Technology CorporationInventors: Bin Huang, Wei-Pin Chuang, XiaoQiang Liang
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Publication number: 20220189716Abstract: The disclosure provides a key structure, including a first electrode, a key cap, and a restoration member. The key cap is disposed on the first electrode. The restoration member is disposed between the key cap and the first electrode. The key cap or the restoration member has a second electrode. A sensing signal is generated by the second electrode with the key cap or the restoration member moving relative to the first electrode.Type: ApplicationFiled: December 15, 2021Publication date: June 16, 2022Applicant: Lite-On Technology CorporationInventors: Chun-Chieh Huang, Ming-Fu Yen, Che Hung Wu, Juo-Tau Lee, Ta-Ching Lu, Chieh-Liang Hsiao, Wei-Pin Chuang
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Patent number: 11315745Abstract: A key structure, including a keycap, a scissor component, an elastomer, an optical switch, a shading portion, and a circuit board, is provided. The scissor component is formed of a first and a second supporter. The circuit board has two first and two second limiting units. The keycap has two third and two fourth limiting units. The first supporter is rotatably or slidably connected to the first and the third limiting units. The second supporter is rotatably or slidably connected to the second and the fourth limiting units. The keycap is disposed on the circuit board through the scissor component. The elastomer is interposed between the circuit board and the keycap. The optical switch includes an emitter and a receiver. The shading portion is disposed on the first or the second supporter to block a light signal transmitted between the emitter and the receiver.Type: GrantFiled: June 16, 2020Date of Patent: April 26, 2022Inventors: Wei-Pin Chuang, Ming-Fu Yen, Chih-Jen Kuo
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Patent number: 11295910Abstract: A keyboard structure including a base, at least one key and an electronic element is provided. The key is disposed on the base and sequentially includes a cap, a limiting structure, an elastic member and a membrane switch from top to down, wherein the elastic member is disposed on the membrane switch, the cap is disposed on the elastic member, and the limiting structure connects the cap and the base, such that the cap is configured to move relative to the base in a vertical direction. The electronic element is disposed on the membrane switch and is surrounded by an electrostatic protection zone, wherein the membrane switch has a hole corresponding to the electrostatic protection zone.Type: GrantFiled: December 22, 2020Date of Patent: April 5, 2022Inventors: Ming-Fu Yen, Wei-Pin Chuang, Cheng-Hsiung Huang, Min-Chuan Shao, Han-Yang Hsu, Jian-Jhih Chen, Hsin-Fu Liu
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Patent number: 11239036Abstract: The disclosure provides a key assembly, including: a baseplate, having a top surface and a recess groove recessed from the top surface, in which the recess groove is a blind hole; a hook, disposed on the baseplate, and extending upward from the top surface to form a hole between the hook and the top surface, in which an orthographic projection range of the hook and an orthographic projection range of the recess groove do not overlap each other; a key cap, disposed on the baseplate; an elastic member, disposed between the key cap and the baseplate; a link bar, connecting the key cap and the baseplate, in which the link bar has an extension portion passing through the hole; and a membrane, disposed on the top surface of the baseplate, in which the membrane covers at least part of the recess groove, and the extension portion abuts the membrane.Type: GrantFiled: September 18, 2020Date of Patent: February 1, 2022Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventors: Ming-Fu Yen, Wei-Pin Chuang
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Publication number: 20210398757Abstract: The present invention provides a keycap, method for manufacturing a keycap, and keyswitch. The keycap comprises an inner keycap member, an outer keycap member, and a character layer. The inner keycap member comprises an inner body and an inner sidewall. The inner sidewall is disposed on the periphery of the inner body. The outer keycap member is disposed on the inner keycap member. The outer keycap member comprises an outer body and an outer sidewall. The outer sidewall is disposed on the periphery of the outer body. The outer body is corresponding to the inner body. The outer sidewall corresponds to the inner sidewall. The character layer is disposed between the inner keycap member and the outer keycap member. The character layer comprises a character pattern disposed between the outer body and the inner body.Type: ApplicationFiled: November 24, 2020Publication date: December 23, 2021Applicants: LITE-ON Technology (Chang Zhou) Co., LTD., LITE-ON Technology CorporationInventors: XiaoQiang LIANG, Wei-Pin CHUANG, Lei SHI, ZhangDong TAN
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Publication number: 20210296062Abstract: The present disclosure provides a keyswitch, comprising an auxiliary component, a membrane circuit, an elastic member, a frame, an elevating component, and a keycap. The membrane circuit is disposed on the auxiliary component. The elastic member is disposed on a surface of the membrane circuit away from the auxiliary component. The frame is disposed on a surface of the membrane circuit away from the auxiliary component. The elastic member is disposed on a surface of the membrane and protrudes from the frame. One end of the elevating component is movably connected to the frame. The elastic member passes through the elevating component. The keycap is movably connected to the other end of the elevating component. The elastic member supports the keycap. The keycap moves upward and downward relative to the frame by the elevating component.Type: ApplicationFiled: May 8, 2020Publication date: September 23, 2021Applicants: LITE-ON Technology (Chang Zhou) Co., LTD., LITE-ON Technology CorporationInventors: XiaoQiang LIANG, Wei-Pin CHUANG, Lei SHI, ZhangDong TAN
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Publication number: 20210287861Abstract: The invention provides a keyboard module and a keyboard device. The keyboard module includes a circuit assembly, a plurality of key assemblies, and at least one microphone. The circuit assembly has a signal output interface. The key assemblies are configured on the circuit assembly, and each key assembly is adapted to be pressed to drive the circuit assembly to generate a tapping signal. The microphone is electrically connected to the circuit assembly. The tapping signal and a sound signal generated by the microphone are respectively transmitted out of the keyboard module through the signal output interface.Type: ApplicationFiled: May 17, 2020Publication date: September 16, 2021Applicants: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventors: Wei-Pin Chuang, Min-Chuan Shao
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Publication number: 20210257168Abstract: The present disclosure provides a keyswitch comprising a baseplate, a circuit layer, an elastic part, a thin film, a keycap, and a linkage component. The circuit layer is disposed on the baseplate. The baseplate penetrates and is exposed from the circuit layer. The elastic part is disposed on the circuit layer. The thin film is disposed on the circuit layer. The thin film is provided with an opening. The baseplate penetrates and is exposed from the opening. The elastic part protrudes from the opening. The keycap is disposed above the elastic part and covers the elastic part. Two ends of the linkage component are respectively connected to the baseplate and the keycap. The elastic part is disposed in the linkage component. The linkage component drives the keycap to move up and down relative to the baseplate. The thin film is disposed on the movement path of the keycap.Type: ApplicationFiled: September 21, 2020Publication date: August 19, 2021Applicants: LITE-ON Technology (Chang Zhou) Co., LTD., LITE-ON Technology CorporationInventors: Bin Huang, Wei-Pin CHUANG, XiaoQiang LIANG
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Publication number: 20210210293Abstract: A keyboard structure including a base, at least one key and an electronic element is provided. The key is disposed on the base and sequentially includes a cap, a limiting structure, an elastic member and a membrane switch from top to down, wherein the elastic member is disposed on the membrane switch, the cap is disposed on the elastic member, and the limiting structure connects the cap and the base, such that the cap is configured to move relative to the base in a vertical direction. The electronic element is disposed on the membrane switch and is surrounded by an electrostatic protection zone, wherein the membrane switch has a hole corresponding to the electrostatic protection zone.Type: ApplicationFiled: December 22, 2020Publication date: July 8, 2021Inventors: Ming-Fu YEN, Wei-Pin CHUANG, Cheng-Hsiung HUANG, Min-Chuan SHAO, Han-Yang HSU, Jian-Jhih CHEN, Hsin-Fu LIU
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Patent number: 11011328Abstract: A key module, a keyboard and an electronic device using same are provided. The key module includes a substrate, a light receiver, a light emitter and a lifting mechanism. The light receiver is disposed on and electrically connected with the substrate. The light emitter is disposed on and electrically connected with the substrate and disposed opposite to the light receiver. The lifting mechanism is disposed on the substrate and includes an interrupting portion, wherein the interrupting portion is movable to a region between the light receiver and the light emitter.Type: GrantFiled: April 17, 2020Date of Patent: May 18, 2021Inventors: Wei-Pin Chuang, Ming-Fu Yen, Jian-Jhih Chen
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Publication number: 20210090826Abstract: The disclosure provides a key assembly, including: a baseplate, having a top surface and a recess groove recessed from the top surface, in which the recess groove is a blind hole; a hook, disposed on the baseplate, and extending upward from the top surface to form a hole between the hook and the top surface, in which an orthographic projection range of the hook and an orthographic projection range of the recess groove do not overlap each other; a key cap, disposed on the baseplate; an elastic member, disposed between the key cap and the baseplate; a link bar, connecting the key cap and the baseplate, in which the link bar has an extension portion passing through the hole; and a membrane, disposed on the top surface of the baseplate, in which the membrane covers at least part of the recess groove, and the extension portion abuts the membrane.Type: ApplicationFiled: September 18, 2020Publication date: March 25, 2021Applicants: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventors: Ming-Fu Yen, Wei-Pin Chuang
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Publication number: 20200402735Abstract: A key structure, including a keycap, a scissor component, an elastomer, an optical switch, a shading portion, and a circuit board, is provided. The scissor component is formed of a first and a second supporter. The circuit board has two first and two second limiting units. The keycap has two third and two fourth limiting units. The first supporter is rotatably or slidably connected to the first and the third limiting units. The second supporter is rotatably or slidably connected to the second and the fourth limiting units. The keycap is disposed on the circuit board through the scissor component. The elastomer is interposed between the circuit board and the keycap. The optical switch includes an emitter and a receiver. The shading portion is disposed on the first or the second supporter to block a light signal transmitted between the emitter and the receiver.Type: ApplicationFiled: June 16, 2020Publication date: December 24, 2020Inventors: Wei-Pin CHUANG, Ming-Fu YEN, Chih-Jen KUO
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Publication number: 20200402740Abstract: A key module includes a bottom plate, a circuit layer, a key cap, a supporting structure, a touch member, and a flexible circuit board. The bottom plate has a first surface and a second surface opposite to each other. The circuit layer is disposed on the first surface and has a first opening. The key cap is disposed above the circuit layer and covers the first opening. The supporting structure is disposed between the bottom plate and the key cap. The touch member is disposed at the key cap. The flexible circuit board is electrically connected to the touch member and passes through the first opening to extend next to the second surface of the bottom plate. When the key cap moves downward relative to the bottom plate, a portion of the flexible circuit board located between the key cap and the bottom plate is bent.Type: ApplicationFiled: June 16, 2020Publication date: December 24, 2020Applicants: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventors: Jian-Jhih Chen, Ming-Fu Yen, Wei-Pin Chuang
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Publication number: 20200403614Abstract: A key module, a keyboard and an electronic device using same are provided. The key module includes a substrate, a light receiver, a light emitter and a lifting mechanism. The light receiver is disposed on and electrically connected with the substrate. The light emitter is disposed on and electrically connected with the substrate and disposed opposite to the light receiver. The lifting mechanism is disposed on the substrate and includes an interrupting portion, wherein the interrupting portion is movable to a region between the light receiver and the light emitter.Type: ApplicationFiled: April 17, 2020Publication date: December 24, 2020Inventors: Wei-Pin CHUANG, Ming-Fu YEN, Jian-Jhih CHEN
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Patent number: 10684647Abstract: An electronic apparatus includes an electronic device and a base. The electronic device has an engaging portion with at least two engaging concaves. The base has an engaging mechanism which includes a main body, at least one second engaging bump and a linkage structure. The main body has a first engaging bump. The second engaging bump is movably disposed on the main body and is adapted to move between an engaging position and a releasing position. The electronic device combines with the base such that the first engaging bump and the second engaging bump are engaged with the two engaging concaves. The linkage structure on the main body is connected to the second engaging bump. The electronic device rotates relative to the base to push the linkage structure that drives the second engaging bump from the engaging position to the releasing position to disengage from the engaging portion.Type: GrantFiled: July 26, 2018Date of Patent: June 16, 2020Assignee: COMPAL ELECTRONICS, INC.Inventors: Wei-Che Yang, Wei-Pin Chuang, Hsin-Yang Wang, Wei-Jen Lin, Mu-Chih Yu