Patents by Inventor Chien-Hsun Wu
Chien-Hsun Wu 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: 20230213733Abstract: An electronic device includes at least one optical lens assembly. The optical lens assembly includes four lens elements, and the four lens elements are, in order from an outside to an inside, a first lens element, a second lens element, a third lens element and a fourth lens element. The first lens element has an outside surface being convex in a paraxial region thereof. The second lens element has an inside surface being convex in a paraxial region thereof. The fourth lens element has an inside surface being concave in a paraxial region thereof, wherein at least one of an outside surface and the inside surface of the fourth lens element includes at least one critical point in an off-axis region thereof.Type: ApplicationFiled: March 15, 2023Publication date: July 6, 2023Inventors: Hung-Shuo CHEN, Chien-Hsun WU, Tzu-Chieh KUO
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Patent number: 11681125Abstract: An optical image capturing lens assembly includes six lens elements, the six lens elements being, in order from an object side to an image side: a first lens element with negative refractive power, a second lens element with positive refractive power, a third lens element with negative refractive power, a fourth lens element with positive refractive power, a fifth lens element, and a sixth lens element with negative refractive power.Type: GrantFiled: July 7, 2021Date of Patent: June 20, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Chien-Hsun Wu, Tzu-Chieh Kuo
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Publication number: 20230185051Abstract: An imaging lens module has an optical axis, an object side and an image side. The imaging lens module includes a plastic barrel, an optical lens assembly, an image-side assembled element and a light blocking element assembly. The plastic barrel includes a first contacting surface, which is close to an image-side end of the plastic barrel. The image-side assembled element is disposed close to the image-side end of the plastic barrel. The image-side assembled element is in a tube shape and extends from the object side to the image side. The image-side assembled element includes a second contacting surface and an inner protruding portion, and the second contacting surface is disposed close to an object-side end of the image-side assembled element and correspondingly to the first contacting surface. The plastic barrel and the image-side assembled element contact each other via the first contacting surface and the second contacting surface.Type: ApplicationFiled: February 6, 2023Publication date: June 15, 2023Inventors: Chien-Hsun WU, Lin-An CHANG, Ming-Ta CHOU
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Patent number: 11640044Abstract: An electronic device includes at least one optical lens assembly. The optical lens assembly includes four lens elements, and the four lens elements are, in order from an outside to an inside, a first lens element, a second lens element, a third lens element and a fourth lens element. The first lens element has an outside surface being convex in a paraxial region thereof. The second lens element has an inside surface being convex in a paraxial region thereof. The fourth lens element has an inside surface being concave in a paraxial region thereof, wherein at least one of an outside surface and the inside surface of the fourth lens element includes at least one critical point in an off-axis region thereof.Type: GrantFiled: September 15, 2021Date of Patent: May 2, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Hung-Shuo Chen, Chien-Hsun Wu, Tzu-Chieh Kuo
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Patent number: 11604325Abstract: An imaging lens module has an optical axis, an object side and an image side. The imaging lens module includes a plastic barrel, an optical lens assembly, an image-side assembled element and a light blocking element assembly. The plastic barrel includes a first contacting surface, which is close to an image-side end of the plastic barrel. The image-side assembled element is disposed close to the image-side end of the plastic barrel. The image-side assembled element is in a tube shape and extends from the object side to the image side. The image-side assembled element includes a second contacting surface and an inner protruding portion, and the second contacting surface is disposed close to an object-side end of the image-side assembled element and correspondingly to the first contacting surface. The plastic barrel and the image-side assembled element contact each other via the first contacting surface and the second contacting surface.Type: GrantFiled: March 9, 2020Date of Patent: March 14, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Chien-Hsun Wu, Lin-An Chang, Ming-Ta Chou
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Publication number: 20230019613Abstract: An imaging lens module includes a plastic lens barrel, a first optical element assembly and a second optical element assembly, wherein both of the first optical element assembly and the second optical element assembly are disposed in the plastic lens barrel. The plastic lens barrel includes a first inner annular surface and a second inner annular surface. The first inner annular surface forms a first receiving space. The second inner annular surface forms a second receiving space. The first optical element assembly is disposed in the first receiving space and includes a plurality of optical lens elements and a first retainer. The second optical element assembly is disposed in the second receiving space and includes a first light blocking sheet and a second retainer.Type: ApplicationFiled: September 23, 2022Publication date: January 19, 2023Inventors: Chien-Hsun WU, Lin-An CHANG, Ming-Ta CHOU
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Patent number: 11500173Abstract: An imaging lens module includes a plastic lens barrel, a first optical element assembly and a second optical element assembly, wherein both of the first optical element assembly and the second optical element assembly are disposed in the plastic lens barrel. The plastic lens barrel includes a first inner annular surface and a second inner annular surface. The first inner annular surface forms a first receiving space. The second inner annular surface forms a second receiving space. The first optical element assembly is disposed in the first receiving space and includes a plurality of optical lens elements and a first retainer. The second optical element assembly is disposed in the second receiving space and includes a first light blocking sheet and a second retainer.Type: GrantFiled: February 4, 2020Date of Patent: November 15, 2022Assignee: LARGAN PRECISION CO., LTD.Inventors: Chien-Hsun Wu, Lin-An Chang, Ming-Ta Chou
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Publication number: 20220196586Abstract: A capacitive biosensor is provided. The capacitive biosensor includes: a transistor, an interconnect structure on the transistor, and a passivation layer on the interconnect structure. The interconnect structure includes a first metal structure on the transistor, a second metal structure on the first metal structure, and a third metal structure on the second metal structure. The third metal structure includes a first conductive layer, a second conductive layer, and a third conductive layer that are sequentially stacked. The passivation has an opening exposing a portion of the third metal structure. The capacitive biosensor further includes a sensing region on the interconnect structure. The sensing region includes a first sensing electrode and a second sensing electrode. The first sensing electrode is formed of the third conductive layer, and the second sensing electrode is disposed on the passivation layer.Type: ApplicationFiled: December 23, 2020Publication date: June 23, 2022Applicant: Vanguard International Semiconductor CorporationInventors: Cheng-Ping CHANG, Chien-Hui LI, Chien-Hsun WU, Tai-I YANG, Yung-Hsiang CHEN
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Patent number: 11366182Abstract: A magnetoresistive device includes a magnetoresistor disposed over a substrate, a stress release structure covering a side surface of the magnetoresistor, an electrical connection structure disposed over the magnetoresistor, and a passivation layer disposed over the electrical connection structure and the stress release structure.Type: GrantFiled: January 24, 2020Date of Patent: June 21, 2022Assignee: Vanguard International Semiconductor CorporationInventors: Chien-Hsun Wu, Cheng-Ping Chang, Chien-Hui Li, Tai-I Yang, Yung-Hsiang Chen
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Patent number: 11362264Abstract: An electrical contact structure and a method for forming the electrical contact structure are provided. The method includes forming a thin film material layer on a substrate, forming a first barrier layer on the thin film material layer and forming a metal layer on the first barrier layer. The method further includes patterning the metal layer to form a metal pattern, forming a spacer on a sidewall of the metal pattern and covering a portion of the first barrier layer. The method further includes etching the first barrier layer, wherein the portion of the first barrier layer located under the spacer is not completely etched. The method further includes removing the spacer and exposing the sidewall of the metal pattern to form an electrical contact structure on the thin film material layer, wherein the first barrier layer has a protrusion part exceeding the sidewall of the metal pattern.Type: GrantFiled: April 1, 2020Date of Patent: June 14, 2022Assignee: Vanguard International Semiconductor CorporationInventors: Chien-Hui Li, Chien-Hsun Wu, Yung-Hsiang Chen
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Patent number: 11333860Abstract: An imaging lens system includes five lens elements, which are, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. At least one of an object-side surface and an image-side surface of the fifth lens element has at least one inflection point. The object-side surface and the image-side surface of the fifth lens element are both aspheric.Type: GrantFiled: January 18, 2020Date of Patent: May 17, 2022Assignee: LARGAN PRECISION CO., LTD.Inventors: Kuan-Ting Yeh, Hung-Shuo Chen, Chien-Hsun Wu, Wei-Yu Chen
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Publication number: 20220066175Abstract: An optical imaging system includes five lens elements, the five lens elements being, in order from an object side to an image side: a first lens element having positive refractive power; a second lens element having negative refractive power; a third lens element having positive refractive power; a fourth lens element having positive refractive power; and a fifth lens element having negative refractive power.Type: ApplicationFiled: November 9, 2021Publication date: March 3, 2022Inventors: CHIEN-HSUN WU, TZU-CHIEH KUO, KUAN-MING CHEN
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Publication number: 20220003961Abstract: An electronic device includes at least one optical lens assembly. The optical lens assembly includes four lens elements, and the four lens elements are, in order from an outside to an inside, a first lens element, a second lens element, a third lens element and a fourth lens element. The first lens element has an outside surface being convex in a paraxial region thereof. The second lens element has an inside surface being convex in a paraxial region thereof. The fourth lens element has an inside surface being concave in a paraxial region thereof, wherein at least one of an outside surface and the inside surface of the fourth lens element includes at least one critical point in an off-axis region thereof.Type: ApplicationFiled: September 15, 2021Publication date: January 6, 2022Inventors: Hung-Shuo CHEN, Chien-Hsun WU, Tzu-Chieh KUO
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Patent number: 11204487Abstract: An optical imaging system includes five lens elements, the five lens elements being, in order from an object side to an image side: a first lens element having positive refractive power; a second lens element having negative refractive power; a third lens element having positive refractive power; a fourth lens element having positive refractive power; and a fifth lens element having negative refractive power.Type: GrantFiled: April 23, 2020Date of Patent: December 21, 2021Assignee: LARGAN PRECISION CO., LTD.Inventors: Chien-Hsun Wu, Tzu-Chieh Kuo, Kuan-Ming Chen
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Publication number: 20210334619Abstract: A portable electronic device adapted for connecting to a base is provided. The base has a first connector and an RFID tag. The portable electronic device includes a casing, a second connector, a cover, a control module and an RFID sensor. The second connector is disposed on a lateral surface of the casing and is adapted for connecting to the first connector. The cover is movably disposed on the lateral surface of the casing and corresponds to the second connector, so as to cover or expose the second connector. The RFID sensor is disposed in the casing and is adjacent to the lateral surface. The RFID sensor detects the RFID tag to generate a signal. The control module is disposed in the casing and coupled to the RFID sensor and the cover. The control module controls the cover to move to expose the second connector according to the signal.Type: ApplicationFiled: March 9, 2021Publication date: October 28, 2021Applicant: PEGATRON CORPORATIONInventors: Kai Yao Hu, Chien Hsun Wu, Wei Hsiang Lee
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Publication number: 20210333520Abstract: An optical image capturing lens assembly includes six lens elements, the six lens elements being, in order from an object side to an image side: a first lens element with negative refractive power, a second lens element with positive refractive power, a third lens element with negative refractive power, a fourth lens element with positive refractive power, a fifth lens element, and a sixth lens element with negative refractive power.Type: ApplicationFiled: July 7, 2021Publication date: October 28, 2021Inventors: Chien-Hsun Wu, Tzu-Chieh Kuo
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Patent number: 11150441Abstract: An electronic device includes at least one optical lens assembly. The optical lens assembly includes four lens elements, and the four lens elements are, in order from an outside to an inside, a first lens element, a second lens element, a third lens element and a fourth lens element. The first lens element has an outside surface being convex in a paraxial region thereof. The second lens element has an inside surface being convex in a paraxial region thereof. The fourth lens element has an inside surface being concave in a paraxial region thereof, wherein at least one of an outside surface and the inside surface of the fourth lens element includes at least one critical point in an off-axis region thereof.Type: GrantFiled: March 16, 2020Date of Patent: October 19, 2021Assignee: LARGAN PRECISION CO., LTD.Inventors: Hung-Shuo Chen, Chien-Hsun Wu, Tzu-Chieh Kuo
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Patent number: 11086106Abstract: An optical image capturing lens assembly includes six lens elements, the six lens elements being, in order from an object side to an image side: a first lens element with negative refractive power, a second lens element with positive refractive power, a third lens element with negative refractive power, a fourth lens element with positive refractive power, a fifth lens element, and a sixth lens element with negative refractive power.Type: GrantFiled: October 21, 2019Date of Patent: August 10, 2021Assignee: LARGAN PRECISION CO., LTD.Inventors: Chien-Hsun Wu, Tzu-Chieh Kuo
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Publication number: 20210231753Abstract: A magnetoresistive device includes a magnetoresistor disposed over a substrate, a stress release structure covering a side surface of the magnetoresistor, an electrical connection structure disposed over the magnetoresistor, and a passivation layer disposed over the electrical connection structure and the stress release structure.Type: ApplicationFiled: January 24, 2020Publication date: July 29, 2021Applicant: Vanguard International Semiconductor CorporationInventors: Chien-Hsun WU, Cheng-Ping CHANG, Chien-Hui LI, Tai-I YANG, Yung-Hsiang CHEN
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Patent number: 10890738Abstract: An optical imaging lens assembly includes five lens elements, which are, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The third lens element has negative refractive power. The fifth lens element has negative refractive power.Type: GrantFiled: October 3, 2018Date of Patent: January 12, 2021Assignee: LARGAN PRECISION CO., LTD.Inventors: Kuan-Ting Yeh, Kuo-Jui Wang, Chien-Hsun Wu, Wei-Yu Chen, Po-Lun Hsu