Patents by Inventor Po Lun Hsu
Po Lun Hsu 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: 20240147726Abstract: A method of forming a memory structure is provided. The method includes providing a substrate, wherein the substrate has a plurality of isolation structures, and the isolation structures include a plurality of first protrusions protruding above the substrate; replacing the first protrusions with a plurality of second protrusions to define a plurality of predetermined regions of floating gates between the second protrusions. The replacing step includes forming an insulation filling material between the first protrusions and on the substrate, and performing a patterning process to the insulation filling and the first protrusions to form second protrusions to define the predetermined regions of the floating gates, and forming a plurality of floating gates in the predetermined regions of the floating gates.Type: ApplicationFiled: October 26, 2023Publication date: May 2, 2024Inventors: Bo-Lun WU, Po-Yen HSU, Tse-Mian KUO
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Patent number: 11971528Abstract: An image capturing optical system includes seven lens elements, the seven lens elements being, 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, a fifth lens element, a sixth lens element and a seventh lens element. An image-side surface of the fifth lens element is convex in a paraxial region thereof. An image-side surface of the sixth lens element is concave in a paraxial region thereof. The seventh lens element has negative refractive power.Type: GrantFiled: December 27, 2022Date of Patent: April 30, 2024Assignee: LARGAN PRECISION CO., LTD.Inventors: Po-Lun Hsu, Hsin-Hsuan Huang
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Publication number: 20240134159Abstract: An image capturing optical system includes seven lens elements, the seven lens elements being, 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, a fifth lens element, a sixth lens element and a seventh lens element. An image-side surface of the fifth lens element is convex in a paraxial region thereof. An image-side surface of the sixth lens element is concave in a paraxial region thereof. The seventh lens element has negative refractive power.Type: ApplicationFiled: December 28, 2023Publication date: April 25, 2024Inventors: Po-Lun HSU, Hsin-Hsuan HUANG
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Patent number: 11963385Abstract: The disclosure provides a local stretch packaging structure, including a substrate, a flexible electronic element, a plurality of light-emitting display elements, and a packaging layer. The flexible electronic element is disposed on the substrate. These light-emitting display elements are disposed on the flexible electronic element. The packaging layer includes a packaging area and a non-packaging area. The packaging area covers the upper surface and sidewalls of these light-emitting display elements. The non-packaging area is directly covered the flexible electronic element that is not disposed with these light-emitting display elements.Type: GrantFiled: October 25, 2021Date of Patent: April 16, 2024Assignees: Interface Technology (ChengDu) Co., Ltd., Interface Optoelectronics (ShenZhen) Co., Ltd., General Interface Solution LimitedInventors: Wen-You Lai, Ping-Hsiang Kao, Po-Lun Chen, Chun-Ta Chen, Po-Ching Lin, Ya-Chu Hsu
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Publication number: 20240118522Abstract: A photographing lens assembly includes, in order from an object side to an image side: a first, a second, a third, a fourth, a fifth and a sixth lens elements. The first lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof, wherein the object-side surface has at least one convex critical point in an off-axis region thereof. The third lens element has an image-side surface being convex in a paraxial region thereof. The fourth lens element has positive refractive power. The fifth lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof, and an image-side surface being convex in a paraxial region thereof. The sixth lens element has an image-side surface being concave in a paraxial region thereof, wherein the image-side surface has at least one convex critical point in an off-axis region thereof.Type: ApplicationFiled: December 7, 2023Publication date: April 11, 2024Applicant: LARGAN PRECISION CO., LTD.Inventors: Po-Lun HSU, Wei-Yu CHEN, Kuan-Ting YEH, Ssu-Hsin LIU
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Publication number: 20240087878Abstract: A semiconductor wafer cleaning apparatus is provided. The semiconductor wafer cleaning apparatus includes a spin base, a spindle extending through the spin base, and a clamping member covering the spin base. The spindle includes a mounting part and a supporting part disposed on the mounting part. The mounting part includes an inner projection, the supporting part includes a conical projection, and the conical projection is surrounded by the inner projection. The semiconductor wafer cleaning apparatus further includes a first sealing ring disposed between the spin base and the mounting part.Type: ApplicationFiled: November 22, 2023Publication date: March 14, 2024Inventors: Chia-Lun CHEN, Po-Jen SHIH, Ming-Sung HUNG, Wen-Hung HSU
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Patent number: 11927799Abstract: A data transmission system is disclosed. The data transmission system includes at least one signal processing device, at least one conversion device, at least one antenna device, and at least one flexible printed circuit board. The at least one signal processing device is configured to generate or receive at least one data. The at least one conversion device is configured to transform between the at least one data and an optical signal. The at least one antenna device is configured to obtain the at least one data according to the optical signal, and configured to receive or transmit the at least one data wirelessly. The at least one flexible printed circuit board includes at least one conductive layer and at least one optical waveguide layer. The at least one optical waveguide layer is configured to transmit the optical signal.Type: GrantFiled: December 31, 2020Date of Patent: March 12, 2024Inventors: Po-Kuan Shen, Chun-Chiang Yen, Chiu-Lin Yu, Kai-Lun Han, Jenq-Yang Chang, Mao-Jen Wu, Chao-Chieh Hsu
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Patent number: 11885940Abstract: A photographing lens assembly includes, in order from an object side to an image side: a first, a second, a third, a fourth, a fifth and a sixth lens elements. The first lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof, wherein the object-side surface has at least one convex critical point in an off-axis region thereof. The third lens element has an image-side surface being convex in a paraxial region thereof. The fourth lens element has positive refractive power. The fifth lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof, and an image-side surface being convex in a paraxial region thereof. The sixth lens element has an image-side surface being concave in a paraxial region thereof, wherein the image-side surface has at least one convex critical point in an off-axis region thereof.Type: GrantFiled: April 14, 2022Date of Patent: January 30, 2024Assignee: LARGAN PRECISION CO., LTD.Inventors: Po-Lun Hsu, Wei-Yu Chen, Kuan-Ting Yeh, Ssu-Hsin Liu
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Patent number: 11880048Abstract: An 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 has positive refractive power. The second lens element has positive refractive power. The fourth lens element with negative refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof, wherein the two surfaces of the fourth lens element are both aspheric. The fifth lens element having an image-side surface being concave in a paraxial region thereof, wherein two surfaces of the fifth lens element are both aspheric, and the image-side surface of the fifth lens element includes at least one convex critical point in an off-axis region thereof.Type: GrantFiled: August 30, 2022Date of Patent: January 23, 2024Assignee: LARGAN PRECISION CO., LTD.Inventors: Po-Lun Hsu, Wei-Yu Chen
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Patent number: 11762132Abstract: An imaging lens assembly module has an optical axis, and includes at least one plastic lens element, a carrier element and a light absorbing layer. The plastic lens element, in order from a center to a peripheral region thereof, includes an optical effective portion and a peripheral portion. A side of the peripheral portion includes a plurality of step structures interposed between the side of the peripheral portion and a same side of the optical effective portion. The carrier element defines an inner space for disposing the plastic lens element, and includes a tip end minimal opening and a plurality of annular inner walls. The light absorbing layer is disposed on the peripheral portion of the plastic lens element, and the step structures and the at least one of the annular inner walls facing towards the plastic lens element.Type: GrantFiled: July 20, 2020Date of Patent: September 19, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Ming-Ta Chou, Cheng-Feng Lin, Po-Lun Hsu, Ming-Shun Chang, Ming-Ching Lin
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Publication number: 20230138624Abstract: An image capturing optical system includes seven lens elements, the seven lens elements being, 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, a fifth lens element, a sixth lens element and a seventh lens element. An image-side surface of the fifth lens element is convex in a paraxial region thereof. An image-side surface of the sixth lens element is concave in a paraxial region thereof. The seventh lens element has negative refractive power.Type: ApplicationFiled: December 27, 2022Publication date: May 4, 2023Inventors: Po-Lun HSU, Hsin-Hsuan HUANG
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Patent number: 11573408Abstract: An image capturing optical system includes seven lens elements, the seven lens elements being, 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, a fifth lens element, a sixth lens element and a seventh lens element. An image-side surface of the fifth lens element is convex in a paraxial region thereof. An image-side surface of the sixth lens element is concave in a paraxial region thereof. The seventh lens element has negative refractive power.Type: GrantFiled: January 11, 2022Date of Patent: February 7, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Po-Lun Hsu, Hsin-Hsuan Huang
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Publication number: 20220413190Abstract: An 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 has positive refractive power. The second lens element has positive refractive power. The fourth lens element with negative refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof, wherein the two surfaces of the fourth lens element are both aspheric. The fifth lens element having an image-side surface being concave in a paraxial region thereof, wherein two surfaces of the fifth lens element are both aspheric, and the image-side surface of the fifth lens element includes at least one convex critical point in an off-axis region thereof.Type: ApplicationFiled: August 30, 2022Publication date: December 29, 2022Inventors: Po-Lun HSU, Wei-Yu CHEN
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Publication number: 20220390815Abstract: An optical imaging lens assembly having a zooming function includes, in order from an object side to an image side along an optical path: a reflection group and a lens group. The reflection group includes a prism having an object-side surface being convex. The prism includes a reflection surface configured to reflect an imaging light passing through the object-side surface of the prism and send the imaging light to an image-side surface of the prism. The lens group includes at least three lens elements arranged along the optical path, and each of the at least three lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. The lens group includes a movable group, and the movable group moves along a direction parallel to an optical axis in a zooming process.Type: ApplicationFiled: May 27, 2022Publication date: December 8, 2022Applicant: LARGAN PRECISION CO., LTD.Inventors: Po-Lun HSU, Tzu-Chieh KUO
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Patent number: 11467321Abstract: An 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 has positive refractive power. The second lens element has positive refractive power. The fourth lens element with negative refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof, wherein the two surfaces of the fourth lens element are both aspheric. The fifth lens element having an image-side surface being concave in a paraxial region thereof, wherein two surfaces of the fifth lens element are both aspheric, and the image-side surface of the fifth lens element includes at least one convex critical point in an off-axis region thereof.Type: GrantFiled: January 15, 2020Date of Patent: October 11, 2022Assignee: LARGAN PRECISION CO., LTD.Inventors: Po-Lun Hsu, Wei-Yu Chen
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Publication number: 20220269047Abstract: An optical imaging lens assembly includes a focus tunable component and an imaging lens system. The imaging lens system includes, in order from an object side to an image side, a first lens group and a second lens group. The first lens group includes, in order from the object side to the image side, an object-side first lens element and an object-side second lens element. The second lens group includes, in order from the image side to the object side, an image-side first lens element and an image-side second lens element. At least one lens surface of at least one lens element in the imaging lens system is aspheric and has at least one inflection point. The imaging lens system has a total of at least four lens elements.Type: ApplicationFiled: May 12, 2022Publication date: August 25, 2022Applicant: LARGAN PRECISION CO.,LTD.Inventors: Po-Lun HSU, Tzu-Chieh KUO
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Publication number: 20220244504Abstract: A photographing lens assembly includes, in order from an object side to an image side: a first, a second, a third, a fourth, a fifth and a sixth lens elements. The first lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof, wherein the object-side surface has at least one convex critical point in an off-axis region thereof. The third lens element has an image-side surface being convex in a paraxial region thereof. The fourth lens element has positive refractive power. The fifth lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof, and an image-side surface being convex in a paraxial region thereof. The sixth lens element has an image-side surface being concave in a paraxial region thereof, wherein the image-side surface has at least one convex critical point in an off-axis region thereof.Type: ApplicationFiled: April 14, 2022Publication date: August 4, 2022Applicant: LARGAN PRECISION CO., LTD.Inventors: Po-Lun HSU, Wei-Yu CHEN, Kuan-Ting YEH, Ssu-Hsin LIU
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Publication number: 20220244507Abstract: A plastic light-folding element includes an incident surface, an exit surface, at least one reflective surface, at least one connecting surface and at least one gate vestige structure. The incident surface is configured to lead an imaging light enter the plastic light-folding element. The exit surface is configured to lead the imaging light exit the plastic light-folding element. The reflective surface is configured to fold the imaging light. The connecting surface is connected to the incident surface, the exit surface and the reflective surface. The gate vestige structure is disposed on the connecting surface. At least one of the incident surface, the exit surface and the reflective surface includes an optical portion and an arc step structure, the arc step structure is disposed on a periphery of the optical portion, and an arc is formed by the arc step structure centered on the optical portion.Type: ApplicationFiled: January 14, 2022Publication date: August 4, 2022Inventors: Pei-Chi CHANG, Wei-Chun LO, Po-Lun HSU, Lin-An CHANG, Ming-Ta CHOU
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Patent number: 11372204Abstract: An imaging optical lens assembly includes six 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, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof.Type: GrantFiled: May 15, 2019Date of Patent: June 28, 2022Assignee: LARGAN PRECISION CO., LTD.Inventors: Hung-Shuo Chen, Syuan Ruei Lai, Kuo-Jui Wang, Po-Lun Hsu, Wei-Yu Chen
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Patent number: 11366294Abstract: An optical imaging lens assembly includes a focus tunable component and an imaging lens system. The imaging lens system includes, in order from an object side to an image side, a first lens group and a second lens group. The first lens group includes, in order from the object side to the image side, an object-side first lens element and an object-side second lens element. The second lens group includes, in order from the image side to the object side, an image-side first lens element and an image-side second lens element. At least one lens surface of at least one lens element in the imaging lens system is aspheric and has at least one inflection point. The imaging lens system has a total of at least four lens elements.Type: GrantFiled: August 30, 2019Date of Patent: June 21, 2022Assignee: LARGAN PRECISION CO., LTD.Inventors: Po-Lun Hsu, Tzu-Chieh Kuo