Patents by Inventor Chun-Che HSUEH
Chun-Che HSUEH 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: 20230251466Abstract: An optical image capturing system includes, 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 a convex object-side surface. The second lens element and the third lens element have refractive power. The fourth lens element with negative refractive power has a concave object-side surface and a convex image-side surface. The fifth lens element with positive refractive power has a convex object-side surface, wherein at least one inflection point is on at least one surface thereof. The sixth lens element with negative refractive power has a concave object-side surface. The surfaces of the fifth and the sixth lens elements are aspheric. The optical image capturing system has a total of six lens elements.Type: ApplicationFiled: April 17, 2023Publication date: August 10, 2023Inventors: Kuan-Ming CHEN, Tsung-Han TSAI, Hsin-Hsuan HUANG, Chun-Che HSUEH
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Patent number: 11709345Abstract: An optical lens assembly includes seven lens elements which are, in order from object side to image side: first lens element, second lens element, third lens element, fourth lens element, fifth lens element, sixth lens element and seventh lens element. The first lens element has object-side surface having at least one convex shape in off-axis region thereof. The second lens element with positive refractive power has object-side surface being convex in paraxial region thereof. The third lens element has image-side surface being convex in paraxial region thereof. The sixth lens element with positive refractive power has object-side surface being convex in paraxial region thereof. The seventh lens element has image-side surface being concave in paraxial region thereof, and the image-side surface of the seventh lens element has at least one convex critical point in off-axis region thereof. The optical lens assembly has a total of seven lens elements.Type: GrantFiled: August 16, 2021Date of Patent: July 25, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Yu-Tai Tseng, Chun-Che Hsueh, Hung-Shuo Chen, Wei-Yu Chen
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Patent number: 11709342Abstract: An optical imaging 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 has negative refractive power. The second lens element has an object-side surface being concave in a paraxial region thereof. The third lens element has an object-side surface being convex in a paraxial region thereof. The fifth lens element with negative refractive power has an object-side surface being concave 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. At least one of an object-side surface and the image-side surface of the sixth lens element has at least one critical point in an off-axis region thereof, wherein both the surfaces of the sixth lens element are aspheric.Type: GrantFiled: August 13, 2020Date of Patent: July 25, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Chien-Hsun Wu, Chun-Che Hsueh, Wei-Yu Chen
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Publication number: 20230213735Abstract: A lens system includes four 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 and a fourth lens element. Each of the four lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. At least one of the object-side surface and the image-side surface of the first lens element has at least one inflection point. The fourth lens element has positive refractive power, the object-side surface of the fourth lens element is convex in a paraxial region thereof, and at least one of the object-side surface and the image-side surface of the fourth lens element has at least one inflection point.Type: ApplicationFiled: March 13, 2023Publication date: July 6, 2023Applicant: LARGAN PRECISION CO., LTD.Inventors: Chun-Che HSUEH, Hsin-Hsuan HUANG
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Publication number: 20230216996Abstract: A light engine includes an image surface, a projected light surface, a projection lens assembly, and a plurality of folding elements. The image surface has three image areas. The projected light surface has three light sources that provide light with different wavelengths. The plurality of folding elements are arranged along a light emitting axis. The image surface and the projected light surface are substantially in parallel with the light emitting axis, and there is an air gap located between the image surface and the projected light surface. The three light sources respectively correspond to the plurality of folding elements and respectively correspond to the three image areas, and the light emitting axis and the projection lens assembly are disposed on the same optical path.Type: ApplicationFiled: March 3, 2022Publication date: July 6, 2023Applicant: LARGAN PRECISION CO., LTD.Inventors: Yu Jie HONG, Chun-Che HSUEH, Fuh-Shyang YANG
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Publication number: 20230204927Abstract: An optical photographing system includes, 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 has an image-side surface being convex in a paraxial region thereof. The third lens element has positive refractive power. The fourth lens element has an object-side surface being concave in a paraxial region thereof. The fifth lens element with positive refractive power has two surfaces being both aspheric. The sixth lens element has an image-side surface being concave in a paraxial region thereof, wherein the surfaces of the sixth lens element are both aspheric, and the image-side surface of the sixth lens element includes at least one convex shape in an off-axial region thereof.Type: ApplicationFiled: February 22, 2023Publication date: June 29, 2023Inventors: Chun-Che HSUEH, Yu-Tai TSENG, Hsin-Hsuan HUANG
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Publication number: 20230194835Abstract: An image capturing optical system includes four lens elements which are, in order from an object side to an image side along an optical path: a first lens element, a second lens element, a third lens element and a fourth lens element. The first lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof. The second lens element has positive refractive power. The third lens element with positive 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 image capturing optical system further includes an aperture stop located between the second lens element and the third lens element.Type: ApplicationFiled: February 8, 2022Publication date: June 22, 2023Applicant: LARGAN PRECISION CO., LTD.Inventors: Chun-Che HSUEH, Chun-Yen CHEN, Meng-Kuan CHO
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Publication number: 20230194834Abstract: An optical lens system includes two lens elements which are, in order from an object side to an image side along an optical path: a first lens element and a second lens element. Each of the two lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. At least one of the object-side surface and the image-side surface of at least one lens element of the optical lens system is aspheric. A total number of the lens elements in the optical lens system is two.Type: ApplicationFiled: February 16, 2023Publication date: June 22, 2023Applicant: LARGAN PRECISION CO., LTD.Inventors: Chun-Che HSUEH, Jin Sen WANG, Hsin-Hsuan HUANG, Fuh-Shyang YANG
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Patent number: 11670109Abstract: An optical fingerprint identification system includes a cover, a light emitting layer, an optical layer, an image sensor and a base that are sequentially disposed from top to bottom. The cover has a fingerprint contact surface on top. The image sensor has an image surface. The optical layer includes a first array layer and a second array layer, and the first array layer is stacked on top of the second array layer. The first array layer and the second array layer respectively include a plurality of first array lens elements and a plurality of second array lens elements respectively arranged at equal intervals in a first direction. Each of the first array lens elements and a corresponding second array lens element of the second array layer are coaxial along an optical axis and form an imaging unit.Type: GrantFiled: May 6, 2022Date of Patent: June 6, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Chun-Che Hsueh, Hsiang-Chi Tang, Tsung-Han Tsai, Fuh-Shyang Yang
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Patent number: 11656439Abstract: An optical image capturing system includes, 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 a convex object-side surface. The second lens element and the third lens element have refractive power. The fourth lens element with negative refractive power has a concave object-side surface and a convex image-side surface. The fifth lens element with positive refractive power has a convex object-side surface, wherein at least one inflection point is on at least one surface thereof. The sixth lens element with negative refractive power has a concave object-side surface. The surfaces of the fifth and the sixth lens elements are aspheric. The optical image capturing system has a total of six lens elements.Type: GrantFiled: September 23, 2021Date of Patent: May 23, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Kuan-Ming Chen, Tsung-Han Tsai, Hsin-Hsuan Huang, Chun-Che Hsueh
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Patent number: 11656443Abstract: A photographing lens assembly includes seven 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, a sixth lens element and a seventh lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof. The seventh lens element has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof. The image-side surface of the seventh lens element includes at least one convex shape in an off-axis region thereof. The object-side surface and the image-side surface of the seventh lens element are aspheric.Type: GrantFiled: September 21, 2022Date of Patent: May 23, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Chun-Che Hsueh, Chun-Yen Chen, Wei-Yu Chen
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Publication number: 20230144951Abstract: A photographing lens assembly includes a total of eight 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, a sixth lens element, a seventh lens element and an eighth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element has negative refractive power. The eighth lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof. At least one lens element of the photographing lens assembly has at least one lens surface having at least one inflection point.Type: ApplicationFiled: January 2, 2023Publication date: May 11, 2023Applicant: LARGAN PRECISION CO., LTD.Inventors: Chun-Che HSUEH, Hung-Shuo CHEN, Kuan Chun WANG, Wei-Yu CHEN
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Patent number: 11640046Abstract: A lens system includes four 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 and a fourth lens element. Each of the four lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. At least one of the object-side surface and the image-side surface of the first lens element has at least one inflection point. The fourth lens element has positive refractive power, the object-side surface of the fourth lens element is convex in a paraxial region thereof, and at least one of the object-side surface and the image-side surface of the fourth lens element has at least one inflection point.Type: GrantFiled: April 5, 2022Date of Patent: May 2, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Chun-Che Hsueh, Hsin-Hsuan Huang
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Patent number: 11619804Abstract: An optical photographing system includes, 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 has an image-side surface being convex in a paraxial region thereof. The third lens element has positive refractive power. The fourth lens element has an object-side surface being concave in a paraxial region thereof. The fifth lens element with positive refractive power has two surfaces being both aspheric. The sixth lens element has an image-side surface being concave in a paraxial region thereof, wherein the surfaces of the sixth lens element are both aspheric, and the image-side surface of the sixth lens element includes at least one convex shape in an off-axial region thereof.Type: GrantFiled: April 13, 2020Date of Patent: April 4, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Chun-Che Hsueh, Yu-Tai Tseng, Hsin-Hsuan Huang
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Publication number: 20230071318Abstract: An optical photographing lens assembly includes, 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 and an image-side surface being concave in a paraxial region thereof. The second lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof. The third lens element has two surfaces being both aspheric. The fourth lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof, wherein two surfaces thereof are aspheric. The fifth lens element has an image-side surface being convex in a paraxial region thereof, wherein two surfaces thereof are aspheric.Type: ApplicationFiled: October 20, 2022Publication date: March 9, 2023Inventors: Dung-Yi HSIEH, Chun-Yen CHEN, Chun-Che HSUEH, Hsin-Hsuan HUANG
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Patent number: 11579412Abstract: A photographing lens assembly includes a total of eight 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, a sixth lens element, a seventh lens element and an eighth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element has negative refractive power. The eighth lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof. At least one lens element of the photographing lens assembly has at least one lens surface having at least one inflection point.Type: GrantFiled: January 16, 2020Date of Patent: February 14, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Chun-Che Hsueh, Hung-Shuo Chen, Kuan Chun Wang, Wei-Yu Chen
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Publication number: 20230041230Abstract: A photographing lens assembly includes seven 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, a sixth lens element and a seventh lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof. The seventh lens element has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof. The image-side surface of the seventh lens element includes at least one convex shape in an off-axis region thereof. The object-side surface and the image-side surface of the seventh lens element are aspheric.Type: ApplicationFiled: September 21, 2022Publication date: February 9, 2023Inventors: Chun-Che HSUEH, Chun-Yen CHEN, Wei-Yu CHEN
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Patent number: 11513318Abstract: An optical photographing lens assembly includes, 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 and an image-side surface being concave in a paraxial region thereof. The second lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof. The third lens element has two surfaces being both aspheric. The fourth lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof, wherein two surfaces thereof are aspheric. The fifth lens element has an image-side surface being convex in a paraxial region thereof, wherein two surfaces thereof are aspheric.Type: GrantFiled: February 4, 2020Date of Patent: November 29, 2022Assignee: LARGAN PRECISION CO., LTD.Inventors: Dung-Yi Hsieh, Chun-Yen Chen, Chun-Che Hsueh, Hsin-Hsuan Huang
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Publication number: 20220350114Abstract: An optical lens system includes two lens elements which are, in order from an object side to an image side along an optical path: a first lens element and a second lens element. Each of the two lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. At least one of the object-side surface and the image-side surface of at least one lens element of the optical lens system is aspheric. A total number of the lens elements in the optical lens system is two.Type: ApplicationFiled: September 21, 2021Publication date: November 3, 2022Applicant: LARGAN PRECISION CO., LTD.Inventors: Chun-Che HSUEH, Jin Sen WANG, Hsin-Hsuan HUANG, FUH-SHYANG YANG
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Publication number: 20220350117Abstract: An imaging optical system includes, 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 refractive power has an object-side surface being convex in a paraxial region and an image-side surface being concave in a paraxial region. The second lens element with positive refractive power has an image-side surface being convex in a paraxial region. The third lens element with negative refractive power has an image-side surface being concave in a paraxial region. The fourth lens element with positive refractive power has an image-side surface being convex in a paraxial region. The fifth lens element with negative refractive power has an image-side surface being concave in a paraxial region and having a convex shape in an off-axial region thereof.Type: ApplicationFiled: July 5, 2022Publication date: November 3, 2022Inventors: Dung-Yi HSIEH, Chun-Che HSUEH, Wei-Yu CHEN