Patents by Inventor Mengke Tan
Mengke Tan 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: 11960061Abstract: A camera optical lens includes six-piece lenses, from an object side to an image side, the six-piece lenses are: a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a negative refractive power, a fourth lens, a fifth lens having a positive refractive power and a sixth lens having a negative refractive power. The camera optical lens satisfies conditions of 0.35?f1/f?0.50, ?30.00?R4/R3??2.00, and 1.50?(R5+R6)/(R5?R6)?30.00. The camera optical lens of the present application has excellent optical performances, and meanwhile can meet design requirements of a long focal length and is ultra-thin.Type: GrantFiled: December 31, 2020Date of Patent: April 16, 2024Assignee: AAC Optics (Suzhou) Co., Ltd.Inventor: Mengke Tan
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Patent number: 11803038Abstract: A camera optical lens includes from an object side to an image side: a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens. The camera optical lens satisfies: ?1.00?f2/f??0.60; 1.50?R6/R5 and 2.00?d4/d5?10.00, where f denotes a focal length of the camera optical lens, f2 denotes a focal length of the second lens, R5 denotes a central curvature radius of an object side surface of the third lens, R6 denotes a central curvature radius of an image side surface of the third lens, d4 denotes an on-axis distance from an image side surface of the second lens to an object side surface of the third lens, and d5 denotes an on-axis thickness of the third lens. The camera optical lens of the application has good optical performance and meets the design requirement for a long focal length.Type: GrantFiled: December 28, 2020Date of Patent: October 31, 2023Assignee: AAC Optics (Changzhou) Co., Ltd.Inventor: Mengke Tan
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Patent number: 11733481Abstract: A camera optical lens includes, from an object side to an image side: a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a negative refractive power, a fourth lens and a fifth lens having a positive refractive power. The camera optical lens satisfies conditions of 0.30?f1/f?0.50, ?4.00?f3/f??1.20, 2.00?d6/d7?8.00, and 3.00?R9/R10?10.00. Here f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, f3 denotes a focal length of the third lens, d6 denotes an on-axis distance from an image-side surface of the third lens to an object-side surface of the fourth lens, d7 denotes an on-axis thickness of the fourth lens. The camera optical lens of the present disclosure has excellent optical performances, and meanwhile can meet design requirements of a large aperture, a wide angle and ultra-thin.Type: GrantFiled: December 29, 2020Date of Patent: August 22, 2023Assignee: AAC Optics (Suzhou) Co., Ltd.Inventor: Mengke Tan
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Patent number: 11435555Abstract: The present disclosure a camera optical lens comprising, from an object side to an image side, a first lens having a positive refractive power, a second lens, a third lens having a positive refractive power, a fourth lens, and a fifth lens having a negative refractive power, the camera optical lens satisfying conditions of 0.45?f3/f?1.00, 2.50?d4/d3?4.50, 1.50?d7/d8?3.00 and 2.00?(R3+R4)/(R3?R4). The camera optical lens can achieve excellent optical characteristics while meeting the designing requirement for having a large aperture and a long focal length and being ultra-thin.Type: GrantFiled: April 21, 2020Date of Patent: September 6, 2022Assignee: AAC Optics Solutions Pte. Ltd.Inventor: Mengke Tan
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Publication number: 20220196976Abstract: A camera optical lens includes six-piece lenses, from an object side to an image side, the six-piece lenses are: a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a negative refractive power, a fourth lens, a fifth lens having a positive refractive power and a sixth lens having a negative refractive power. The camera optical lens satisfies conditions of 0.35?f1/f?0.50, ?30.00?R4/R3??2.00, and 1.50?(R5+R6)/(R5?R6)?30.00. Here f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, R3 denotes a curvature radius of an object-side surface of the second lens, and R4 denotes a curvature radius of an image-side surface of the second lens. The camera optical lens of the present disclosure has excellent optical performances, and meanwhile can meet design requirements of a long focal length and ultra-thin.Type: ApplicationFiled: December 31, 2020Publication date: June 23, 2022Inventor: Mengke Tan
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Patent number: 11366291Abstract: A camera optical lens includes, from an object side to an image side, a first lens having a positive refractive power; a second lens having a negative refractive power; and a third lens having a positive refractive power, and satisfies: 0.65?f1/f?0.85; ?0.90?f2/f??0.60; 1.00?f3/f?1.20; ?8.00?(R5+R6)/(R5?R6)??2.50; 2.50?d5/d4?4.50; and 1.55?n2?1.70, where f, f1, f2, and f3 respectively denote focal lengths of the camera optical lens, the first lens, the second lens, and the third lens; R5 and R6 respectively denote central curvature radii of object side and image side surfaces of the third lens; d4 denotes an on-axis distance from an image side surface of the second lens to an object side surface of the third lens; d5 denotes an on-axis thickness of the third lens; and n2 denotes a refractive index of the second lens, thereby achieving good optical performance while meeting requirements of ultra-thinness and a wide angle.Type: GrantFiled: December 25, 2020Date of Patent: June 21, 2022Assignee: AAC Optics (Changzhou) Co., Ltd.Inventors: Mengke Tan, Xuqi Bian
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Publication number: 20220137344Abstract: A camera optical lens includes, from an object side to an image side: a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a negative refractive power, a fourth lens and a fifth lens having a positive refractive power. The camera optical lens satisfies conditions of 0.30?f1/f?0.50, ?4.00?f3/f??1.20, 2.00?d6/d7?8.00, and 3.00?R9/R10?10.00. Here f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, f3 denotes a focal length of the third lens, d6 denotes an on-axis distance from an image-side surface of the third lens to an object-side surface of the fourth lens, d7 denotes an on-axis thickness of the fourth lens. The camera optical lens of the present disclosure has excellent optical performances, and meanwhile can meet design requirements of a large aperture, a wide angle and ultra-thin.Type: ApplicationFiled: December 29, 2020Publication date: May 5, 2022Inventor: Mengke Tan
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Publication number: 20220066165Abstract: A camera optical lens includes from an object side to an image side: a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens. The camera optical lens satisfies: ?1.00?f2/f??0.60; 1.50?R6/R5 and 2.00?d4/d5?10.00, where f denotes a focal length of the camera optical lens, f2 denotes a focal length of the second lens, R5 denotes a central curvature radius of an object side surface of the third lens, R6 denotes a central curvature radius of an image side surface of the third lens, d4 denotes an on-axis distance from an image side surface of the second lens to an object side surface of the third lens, and d5 denotes an on-axis thickness of the third lens. The camera optical lens of the application has good optical performance and meets the design requirement for a long focal length.Type: ApplicationFiled: December 28, 2020Publication date: March 3, 2022Inventor: Mengke Tan
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Publication number: 20220035129Abstract: A camera optical lens includes, from an object side to an image side, a first lens having a positive refractive power; a second lens having a negative refractive power; and a third lens having a positive refractive power, and satisfies: 0.65?f1/f?0.85; ?0.90?f2/f??0.60; 1.00?f3/f?1.20; ?8.00?(R5+R6)/(R5?R6)??2.50; 2.50?d5/d4?4.50; and 1.55?n2?1.70, where f, f1, f2, and f3 respectively denote focal lengths of the camera optical lens, the first lens, the second lens, and the third lens; R5 and R6 respectively denote central curvature radii of object side and image side surfaces of the third lens; d4 denotes an on-axis distance from an image side surface of the second lens to an object side surface of the third lens; d5 denotes an on-axis thickness of the third lens; and n2 denotes a refractive index of the second lens, thereby achieving good optical performance while meeting requirements of ultra-thinness and a wide angle.Type: ApplicationFiled: December 25, 2020Publication date: February 3, 2022Inventors: Mengke Tan, Xuqi Bian
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Publication number: 20210263274Abstract: The present disclosure a camera optical lens comprising, from an object side to an image side, a first lens having a positive refractive power, a second lens, a third lens having a positive refractive power, a fourth lens, and a fifth lens having a negative refractive power, the camera optical lens satisfying conditions of 0.45?f3/f?1.00, 2.50?d4/d3?4.50, 1.50?d7/d8?3.00 and 2.00?(R3+R4)/(R3?R4). The camera optical lens can achieve excellent optical characteristics while meeting the designing requirement for having a large aperture and a long focal length and being ultra-thin.Type: ApplicationFiled: April 21, 2020Publication date: August 26, 2021Inventor: Mengke Tan