Patents by Inventor Chunhuan Fang
Chunhuan Fang 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: 11314049Abstract: The present disclosure relates to the field of optical lenses and provides a camera optical lens. The camera optical lens includes, from an object side to an image side: an aperture; a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a positive refractive power; a fourth lens having a positive refractive power; a fifth lens having a negative refractive power; a sixth lens having a positive refractive power; and a seventh lens having a negative refractive power. The camera optical lens satisfies following conditions: 1.68?n2?2.20; and 15.00?f3/f, where f denotes a focal length of the camera optical lens; n2 denotes a refractive index of the second lens; and f3 denotes a focal length of the third lens.Type: GrantFiled: December 4, 2019Date of Patent: April 26, 2022Assignee: AAC Optics Solutions Pte. Ltd.Inventor: Chunhuan Fang
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Patent number: 11262539Abstract: The present disclosure discloses a camera optical lens. The camera optical lens including, in an order 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 first lens is made of plastic material, the second lens is made of glass material, the third lens is made of plastic material, the fourth lens is made of glass material, the fifth lens is made of plastic material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.Type: GrantFiled: November 14, 2018Date of Patent: March 1, 2022Assignee: AAC Optics Solutions Pte. Ltd.Inventors: Chunhuan Fang, Lei Zhang, Yanmei Wang, Yaqiong Guo
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Patent number: 11209618Abstract: The present disclosure relates to the field of optical lenses and provides a camera optical lens. The camera optical lens includes, from an object side to an image side: an aperture; a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a positive refractive power; a fourth lens having a positive refractive power; a fifth lens having a negative refractive power; a sixth lens having a positive refractive power; and a seventh lens having a negative refractive power. The camera optical lens satisfies following conditions: 15.00?f3/f; and 2.50?f6/f?5.00, where f denotes a focal length of the camera optical lens; f3 denotes a focal length of the third lens; and f6 denotes a focal length of the sixth lens.Type: GrantFiled: December 4, 2019Date of Patent: December 28, 2021Assignee: AAC Optics Solutions Pte. Ltd.Inventor: Chunhuan Fang
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Patent number: 11106013Abstract: The present disclosure relates to optical lenses and discloses an imaging optical lens The imaging optical lens includes from an object side to an image side in sequence: a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having a negative refractive power, a fifth lens having a positive refractive power, and a sixth lens having a negative refractive power. A focal length of the first lens is f1, a focal length of the second lens is f2, a curvature radius of an object-side surface of the third lens is R5, a curvature radius of an image-side surface of the third lens is R6, and the following relational expressions are satisfied: 20?(R5+R6)/(R5?R6)?100; and ?10?f2/f1??2.7.Type: GrantFiled: July 28, 2019Date of Patent: August 31, 2021Assignee: AAC Optics (Changzhou) Co., Ltd.Inventors: Chenxiyang Chen, Chunhuan Fang, Hiroyuki Teraoka
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Patent number: 11061205Abstract: The present invention discloses a camera optical lens. The camera optical lens including, in an order 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 first lens is made of plastic material, the second lens is made of plastic material, the third lens is made of glass material, the fourth lens is made of plastic material, the fifth lens is made of glass material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.Type: GrantFiled: November 14, 2018Date of Patent: July 13, 2021Assignee: AAC Optics Solutions Pte. Ltd.Inventors: Chunhuan Fang, Lei Zhang, Yanmei Wang, Zixuan Huang
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Patent number: 11054610Abstract: The present invention includes a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, a second lens having a positive refractive power, a third lens having a negative refractive power, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of glass material, the second lens is made of plastic material, the third lens is made of glass material, the fourth lens is made of plastic material, the fifth lens is made of plastic material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.Type: GrantFiled: May 4, 2018Date of Patent: July 6, 2021Assignee: AAC Optics Solutions Pte. Ltd.Inventors: Chunhuan Fang, Lei Zhang, Yanmei Wang, Yi Ji
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Patent number: 11054617Abstract: The present disclosure relates to optical lenses and discloses an imaging optical lens. The imaging optical lens includes from an object side to an image side in sequence: an aperture, 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 having a negative refractive power, a fifth lens having a positive refractive power, and a sixth lens having a negative refractive power. A focal length of the imaging optical lens is f, a focal length of the third lens is f3, an Abbe number of the first lens is v1, an Abbe number of the second lens is v2, and the following relational expressions are satisfied: ?500?f3/f??50; and 2.7?v1/v2?5.0.Type: GrantFiled: July 28, 2019Date of Patent: July 6, 2021Assignee: AAC Optics (Changzhou) Co., Ltd.Inventors: Chenxiyang Chen, Hiroyuki Teraoka, Chunhuan Fang
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Patent number: 10996447Abstract: A projection lens is disclosed. The projection lens includes, in sequence from an object side to an image side: an object surface, a first lens having positive refractive power, a second lens having negative refractive power, and a third lens having positive refractive power, where a focal length of the entire projection lens is f, a total optical length of the projection lens is TTL, a refractive index of the second lens is n2, a refractive index of the third lens is n3, and the following conditions are satisfied: 1.7?n2?2.2; 1.7?n3?2.2; and 1.25?f/TTL?2.20. The projection lens can effectively reduce the system length, and has good performance stability at different temperatures.Type: GrantFiled: July 30, 2019Date of Patent: May 4, 2021Assignee: AAC Optics (Changzhou) Co., Ltd.Inventors: Haichao Peng, Chunhuan Fang
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Patent number: 10948691Abstract: The present disclosure discloses a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, a second lens having a positive refractive power, a third lens having a positive refractive power, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of plastic material, the second lens is made of plastic material, the third lens is made of plastic material, the fourth lens is made of plastic material, the fifth lens is made of glass material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.Type: GrantFiled: May 17, 2018Date of Patent: March 16, 2021Assignee: AAC Optics Solutions Pte. Ltd.Inventors: Chunhuan Fang, Lei Zhang, Yanmei Wang, Yuanshan Cui
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Patent number: 10935765Abstract: The present disclosure discloses a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, a second lens having a positive refractive power, a third lens having a negative refractive power, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of glass material, the second lens is made of plastic material, the third lens is made of plastic material, the fourth lens is made of plastic material, the fifth lens is made of glass material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.Type: GrantFiled: August 7, 2018Date of Patent: March 2, 2021Assignee: AAC Optics Solutions Pte. Ltd.Inventors: Chunhuan Fang, Lei Zhang, Yanmei Wang, Yanli Xie
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Patent number: 10935769Abstract: An camera optical lens is disclosed. The camera optical lens includes, in sequence 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. A focal length of the first lens is f1, an Abbe number of the first lens is v1, a focal length of the second lens is f2, an Abbe number of the second lens is v2, a curvature radius of an object side of the second lens is R3, a curvature radius of an image side of the second lens is R4, an on-axis distance from an image side of the first lens to the object side of the second lens is d2, a total optical length of the camera optical lens is TTL, and the following conditions are satisfied: ?15.0?f2/f1??4.9, 25.0?TTL/d2?47.0, 3.0?v1/v2?7.0, and 6.0?(R3+R4)/(R3?R4)?20.0.Type: GrantFiled: July 30, 2019Date of Patent: March 2, 2021Assignee: AAC Optics Solutions Pte. Ltd.Inventors: Haichao Peng, Chunhuan Fang, Hiroyuki Teraoka
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Patent number: 10914918Abstract: The present invention discloses a camera optical lens. The camera optical lens including, in an order 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 first lens is made of plastic material, the second lens is made of glass material, the third lens is made of plastic material, the fourth lens is made of plastic material, the fifth lens is made of glass material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.Type: GrantFiled: November 14, 2018Date of Patent: February 9, 2021Assignee: AAC Optics Solutions Pte. Ltd.Inventors: Chunhuan Fang, Lei Zhang, Yanmei Wang, Yaqiong Guo
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Patent number: 10914917Abstract: The present disclosure discloses a camera optical lens. The camera optical lens including, in an order 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 first lens is made of plastic material, the second lens is made of plastic material, the third lens is made of glass material, the fourth lens is made of plastic material, the fifth lens is made of plastic material, and the sixth lens is made of glass material. The camera optical lens further satisfies specific conditions.Type: GrantFiled: November 14, 2018Date of Patent: February 9, 2021Assignee: AAC Optics Solutions Pte. Ltd.Inventors: Chunhuan Fang, Lei Zhang, Yanmei Wang, Zixuan Huang
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Patent number: 10877247Abstract: The present invention includes a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, a second lens having a positive refractive power, a third lens having a negative refractive power, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of plastic material, the second lens is made of plastic material, the third lens is made of plastic material, the fourth lens is made of glass material, the fifth lens is made of plastic material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.Type: GrantFiled: May 10, 2018Date of Patent: December 29, 2020Assignee: AAC Optics Solutions Pte. Ltd.Inventors: Chunhuan Fang, Lei Zhang, Yanmei Wang, Shuaijun Kuang
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Patent number: 10871630Abstract: The present invention includes a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, a second lens having a positive refractive power, a third lens having a negative refractive power, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of plastic material, the second lens is made of plastic material, the third lens is made of plastic material, the fourth lens is made of plastic material, the fifth lens is made of glass material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.Type: GrantFiled: May 10, 2018Date of Patent: December 22, 2020Assignee: AAC Optics Solutions Pte. Ltd.Inventors: Chunhuan Fang, Lei Zhang, Yanmei Wang, Shuaijun Kuang
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Patent number: 10871632Abstract: The present disclosure discloses a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, a second lens having a positive refractive power, a third lens having a negative refractive power, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of glass material, the second lens is made of plastic material, the third lens is made of plastic material, the fourth lens is made of plastic material, the fifth lens is made of plastic material, and the sixth lens is made of glass material. The camera optical lens further satisfies specific conditions.Type: GrantFiled: August 4, 2018Date of Patent: December 22, 2020Assignee: AAC Optics Solutions Pte. Ltd.Inventors: Chunhuan Fang, Lei Zhang, Yanmei Wang, Yanli Xie
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Patent number: 10816766Abstract: The present disclosure discloses a camera optical lens, including, in an order 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 first lens is made of glass material, the second lens is made of plastic material, the third lens is made of plastic material, the fourth lens is made of plastic material, the fifth lens is made of plastic material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.Type: GrantFiled: July 19, 2018Date of Patent: October 27, 2020Assignee: AAC Optics Solutions Pte. Ltd.Inventors: Chunhuan Fang, Lei Zhang, Yanmei Wang, Shuaijun Kuang
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Patent number: 10816767Abstract: The present disclosure discloses a camera optical lens, including, in an order 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 first lens is made of plastic material, the second lens is made of glass material, the third lens is made of plastic material, the fourth lens is made of plastic material, the fifth lens is made of plastic material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.Type: GrantFiled: July 19, 2018Date of Patent: October 27, 2020Assignee: AAC Optics Solutions Pte. Ltd.Inventors: Chunhuan Fang, Rongbao Shi, Lei Zhang, Yanmei Wang, Yang Zhang
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Patent number: 10802247Abstract: The present disclosure discloses a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, a second lens having a positive refractive power, a third lens having a positive refractive power, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of plastic material, the second lens is made of plastic material, the third lens is made of plastic material, the fourth lens is made of glass material, the fifth lens is made of plastic material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.Type: GrantFiled: May 10, 2018Date of Patent: October 13, 2020Assignee: AAC Optics Solutions Pte. Ltd.Inventors: Chunhuan Fang, Lei Zhang, Yanmei Wang, Yanli Xie
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Patent number: 10795132Abstract: The present disclosure discloses a camera optical lens. The camera optical lens including, in an order 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 first lens is made of plastic material, the second lens is made of glass material, the third lens is made of plastic material, the fourth lens is made of plastic material, the fifth lens is made of plastic material, and the sixth lens is made of glass material. The camera optical lens further satisfies specific conditions.Type: GrantFiled: November 14, 2018Date of Patent: October 6, 2020Assignee: AAC Optics Solutions Pte. Ltd.Inventors: Chunhuan Fang, Lei Zhang, Yanmei Wang, Yaqiong Guo