Patents Assigned to Raytech Optical (Changzhou) Co., Ltd.
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Patent number: 11885934Abstract: A camera optical lens is provided. The camera optical lens includes, from an object side to an image side, a first lens, a second lens having positive refractive power, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, and a ninth lens. The camera optical lens satisfies following conditions: 1.60?f1/f?3.00, and 2.00?d15/d16?10.00, where f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, d15 denotes an on-axis thickness of the eighth lens, and d16 denotes an on-axis distance from an image side surface of the eighth lens to an object side surface of the ninth lens. The camera optical lens according to the present invention has better optical performance while satisfying design requirements for ultra-thin, wide-angle lenses having large apertures.Type: GrantFiled: December 28, 2020Date of Patent: January 30, 2024Assignee: Raytech Optical (Changzhou) Co., Ltd.Inventor: Xiaofeng Wang
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Patent number: 11867881Abstract: Provided is a camera optical lens, including, from object side to image side, a first lens having positive refractive power; a second lens having positive refractive power; a third lens having positive refractive power; a fourth lens having positive refractive power; a fifth lens having negative refractive power; a sixth lens; a seventh lens having negative refractive power; an eighth lens having positive refractive power; and a ninth lens having negative refractive power. The camera optical lens satisfies 3.50?f1/f?5.00 and 2.50?d3/d4?10.00, where f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, d3 denotes an on-axis thickness of the second lens, and d4 denotes an on-axis distance from an image side surface of the second lens to an object side surface of the third lens. The lens has large aperture, wide angle and ultra-thinness while having good optical performance.Type: GrantFiled: December 28, 2020Date of Patent: January 9, 2024Assignee: Raytech Optical (Changzhou) Co., Ltd.Inventor: Jia Chen
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Patent number: 11835792Abstract: A camera optical lens includes five-piece lenses, from an object side to an image side, the five-piece lenses are: a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens, a fourth lens having a negative refractive power and a fifth lens having a positive refractive power. The camera optical lens satisfies conditions of 0.60?f1/f?0.90, 1.80?d6/d8?3.20, 0.55?f2/f4?1.00, and 5.50?f5/f?10.00. Here f denotes a focal length of the camera optical 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, and d8 denotes an on-axis distance from an image-side surface of the fourth lens to an object-side surface of the fifth 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: December 5, 2023Assignee: Raytech Optical (Changzhou) Co., Ltd.Inventor: Tingting Yang
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Patent number: 11835689Abstract: Disclosed is a camera optical lens, comprising, 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 negative refractive power; a fourth lens having a negative refractive pwer; a fifth lens having a positive refractive power; and a sixth lens having a negative refractive power; wherein, the camera optical lens satisfies: ?2.50?f2/f??1.20; 3.50?(R5+R6)/(R5?R6)?12.00; 4.00?R10/R9; and 0.50?d5/d6?1.20; where, f denotes a focus length of the camera optical lens; f2 denotes a focus length of the second lens; R5 and R6 denote central curvature radii of an object side surface and an image side of the third lens; R9 and R10 denotes central curvature radii of an object side surface and an image side of the fifth lens.Type: GrantFiled: December 30, 2020Date of Patent: December 5, 2023Assignee: Raytech Optical (Changzhou) Co., Ltd.Inventor: Jiekang Chen
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Patent number: 11835690Abstract: The present disclosure discloses a camera optical lens including: a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a positive power; a fourth lens having a negative refractive power, a fifth lens having a positive power; a sixth lens having a negative refractive power; wherein the camera optical lens satisfies conditions: ?10.00?f6/f5??2.50; 3.00?d8/d10?10.00; where f5 and f6 respectively denotes a focal length of the fifth lens and the sixth lens, d8 denotes an on-axis distance from the image-side surface of the fourth lens to the object-side surface of the fifth lens, d10 denotes an on-axis distance from the image-side surface of the fifth lens to the object-side surface of the sixth lens. The camera optical lens in the present disclosure satisfies a design requirement of large aperture, long focal length and ultra-thinness while having good optical performance.Type: GrantFiled: December 30, 2020Date of Patent: December 5, 2023Assignee: Raytech Optical (Changzhou) Co., Ltd.Inventor: Guobing Tian
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Patent number: 11822059Abstract: A camera optical lens is provided and includes, from an object side to an image side, a first lens and a second lens that have positive refractive power, a third lens, a fourth lens, a fifth lens, a sixth lens having a positive refractive power, a seventh lens having a negative refractive power, an eighth lens having a positive refractive power, and a ninth lens having a negative refractive power. The camera optical lens satisfies: 3.80?f1/f?7.50; and 3.00?d9/d10?12.00, where f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, d9 denotes an on-axis thickness of the fifth lens, and d10 denotes an on-axis distance from an image side surface of the fifth lens to an object side surface of the sixth lens. The camera optical lens meets design requirements for large aperture, wide angle and ultra-thinness while having good optical performance.Type: GrantFiled: December 28, 2020Date of Patent: November 21, 2023Assignee: Raytech Optical (Changzhou) Co., Ltd.Inventor: Wei Sun
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Patent number: 11803040Abstract: Disclosed is a camera optical lens, including nine lenses, and the nine lenses from an object side to an image side are: a first lens with a negative refractive power, a second lens with a positive refractive power, a third lens with a negative refractive power, a fourth lens with a positive refractive power, a fifth lens with a negative refractive power, a sixth lens with a positive refractive power, a seventh lens with a negative refractive power, an eighth lens with a positive refractive power and an ninth lens with a negative refractive power. The camera optical lens satisfies: ?5.50?f1/f??2.00; 3.00?d11/d12?12.00. The camera optical lens has good optical performance, and meets the design requirements of a large aperture, wide-angle and ultra-thin.Type: GrantFiled: December 30, 2020Date of Patent: October 31, 2023Assignee: Raytech Optical (Changzhou) Co., Ltd.Inventor: Jia Chen
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Patent number: 11803033Abstract: Disclosed is a camera optical lens, comprising, from an object side to an image side in sequence: a first lens having a negative refractive power; a second lens having a positive refractive power; a third lens having a negative refractive power; a fourth lens having a positive refractive power; and a fifth lens having a negative refractive power; the camera optical lens satisfies: ?5.00?f1/f??3.00; ?1.50?f5/f??1.00; 1.20?(R7+R8)/(R7?R8)?3.00; and 8.00?d7/d8?14.00; where, f denotes a focus length of the camera optical lens; f1 and f5 denotes focus length of the first and fifth lens respectively; R7 and R 8 denote central curvature radii of an object side surface and an image side surface of the fourth lens respectively; d7 denotes an on-axis thickness of the fourth lens; and d8 denotes an on-axis distance from the image side surface of the fourth lens to an object side surface of the fifth lens.Type: GrantFiled: December 30, 2020Date of Patent: October 31, 2023Assignee: Raytech Optical (Changzhou) Co., Ltd.Inventors: Chenxiyang Chen, Wen Sun
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Patent number: 11796771Abstract: Discloses a camera optical lens, including nine lenses, and the nine lenses from an object side to an image side are: a first lens with a negative refractive power, a second lens with a positive refractive power, a third lens with a positive refractive power, a fourth lens with a negative refractive power, a fifth lens with a positive refractive power, a sixth lens with a positive refractive power, a seventh lens with a positive refractive power, an eighth lens with a negative refractive power and an ninth lens with a positive or negative refractive power. The camera optical lens satisfies: ?5.00?f1/f??2.00; 2.00?d7/d8?12.00. The camera optical lens has good optical performance, and meets the design requirements of wide-angle and ultra-thin.Type: GrantFiled: December 30, 2020Date of Patent: October 24, 2023Assignee: Raytech Optical (Changzhou) Co., Ltd.Inventor: Yongqiang Yang
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Patent number: 11796770Abstract: The present disclosure discloses a camera optical lens including: a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a positive power; a fourth lens having a negative refractive power, a fifth lens having a positive power; and a sixth lens having a negative refractive power; wherein the camera optical lens satisfies conditions: 0.35?f1/f?0.68; 2.00?(R3+R4)/(R3?R4)?5.00; 1.50?d5/d7?3.00; where f and f1 respectively denotes a focal length of the camera optical lens and the first lens; R3 and R5 respectively denotes a central curvature radius of an object-side surface and an image-side surface of the second lens; d5 and d7 respectively denotes an on-axis thickness of the third lens and the fourth lens. The camera optical lens in the present disclosure satisfies a design requirement of large aperture, long focal length and ultra-thinness while having good optical performance.Type: GrantFiled: December 30, 2020Date of Patent: October 24, 2023Assignee: Raytech Optical (Changzhou) Co., Ltd.Inventor: Guobing Tian
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Patent number: 11774726Abstract: Disclosed is a camera optical lens including six lenses from an object side to an image side being: a first lens with a positive refractive power, a second lens with a negative refractive power, a third lens with a negative refractive power, a fourth lens with a positive refractive power, a fifth lens with a negative refractive power, and a sixth lens with a negative refractive power. The camera optical lens satisfies: 65.00?v1?90.00; 2.00?d8/d9?8.00; wherein, v1 denotes an abbe number of the first lens, d8 denotes an on-axis distance from an image-side surface of the fourth lens to an object-side surface of the fifth lens, and d9 denotes an on-axis thickness of the fifth lens.Type: GrantFiled: December 28, 2020Date of Patent: October 3, 2023Assignee: Raytech Optical (Changzhou) Co., Ltd.Inventor: Xuepeng Zhou
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Patent number: 11774724Abstract: A camera optical lens is provided and includes, from an object side to an image side, a first lens to a ninth lens. Each of the first lens, the second lens, the fourth lens, the sixth lens, the seventh lens, and the eighth lens has a positive refractive power, and each of the third lens, the fifth lens, and the ninth lens has a negative refractive power. The camera optical lens satisfies following conditions: 3.50?f1/f?7.00; and 2.00?d11/d12?9.00, where f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, d11 denotes an on-axis thickness of the sixth lens, and d12 denotes an on-axis distance from an image side surface of the sixth lens to an object side surface of the seventh lens. The camera optical lens meets design requirements for large aperture, wide angle and ultra-thinness while achieving good optical performance.Type: GrantFiled: December 28, 2020Date of Patent: October 3, 2023Assignee: Raytech Optical (Changzhou) Co., Ltd.Inventor: Hongye Li
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Patent number: 11774725Abstract: Disclosed is a camera optical lens including six lenses from an object side to an image side being: a first lens with a positive refractive power, a second lens with a negative refractive power, a third lens with a negative refractive power, a fourth lens with a positive refractive power, a fifth lens with a negative refractive power, and a sixth lens. The camera optical lens satisfies: ?5.00?f2/f??2.00; 3.00?R9/R10?20.00; wherein, f denotes a focal length of the camera optical lens, f2 denotes a focal length of the second lens, R9 denotes a central curvature radius of an object-side surface of the fifth lens, and R10 denotes a central curvature radius of an image-side surface of the fifth lens.Type: GrantFiled: December 28, 2020Date of Patent: October 3, 2023Assignee: Raytech Optical (Changzhou) Co., Ltd.Inventor: Xuepeng Zhou
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Patent number: 11774711Abstract: Disclosed is a camera optical lens, comprising from an object side to an image side in sequence: a first lens having a positive refractive power; a second lens having a positive refractive power; a third lens having a positive refractive power; a fourth lens having a negative refractive power; and a fifth lens having a negative refractive power; the camera optical lens satisfies: 1.20?f1/f?4.00; 1.80?d5/d3?3.50; and 1.50?(R7+R8)/(R7?R8); where, f denotes a focus length of camera optical lens; f1 denotes a focus length of the first lens; d3 denotes an on-axis thickness of second lens; d5 denotes an on-axis thickness of the third lens; R7 and R8 denote central curvature radii of object and image side surfaces of the fourth lens respectively; and R8 denotes a central curvature radius of an image side surface of the fourth lens.Type: GrantFiled: December 29, 2020Date of Patent: October 3, 2023Assignee: Raytech Optical (Changzhou) Co., Ltd.Inventor: Wei Sun
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Patent number: 11762172Abstract: The present disclosure provides a camera optical lens including eight lenses which are, from an object side to an image side in sequence: a first lens having a positive refractive power, a second lens having a positive 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, a sixth lens having a positive refractive power, a seventh lens having a negative refractive power, and an eighth lens having a negative refractive power; the camera optical lens satisfies conditions of: 0.95?f/TTL; 2.00?f2/f?5.00; and ?0.90?(R13+R14)/(R13?R14)??0.25. The camera optical lens can achieve good optical performance while meeting the design requirements for long focal length and ultra-thinness.Type: GrantFiled: December 30, 2020Date of Patent: September 19, 2023Assignee: Raytech Optical (Changzhou) Co., Ltd.Inventor: Jia Chen
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Patent number: 11754811Abstract: The present disclosure provides a camera optical lens including, from an object side to an image side in sequence: eight lenses which are, from an object side to an image side in sequence: a first lens having a positive refractive power, a second having a positive refractive power, a third lens having a negative refractive power, a fourth lens having a refractive power, a fifth lens having a positive refractive power, a sixth lens having a positive refractive power, a seventh lens having a negative refractive power, and an eighth lens having a negative refractive power; and the camera optical lens satisfies conditions of: 0.95?f/TTL; 2.50?f2/f?5.00; and ?20.00?(R15+R16)/(R15?R16)??3.50. The camera optical lens can achieve good optical performance while meeting the design requirements for long focal length and ultra-thinness.Type: GrantFiled: December 30, 2020Date of Patent: September 12, 2023Assignee: Raytech Optical (Changzhou) Co., Ltd.Inventor: Rongbao Shi
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Patent number: 11693211Abstract: A camera optical lens includes five-piece lenses, from an object side to an image side. The camera optical lens satisfies conditions of 0.65?f1/f?0.85, 1.20?(R7+R8)/(R7?R8)?1.75, ?40.00?f3/f??20.00, 0.50?d5/d6?0.80 and 1.00?d8/d9?1.30. 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, R7 denotes a curvature radius of an object-side surface of the fourth lens, R8 denotes a curvature radius of an image-side surface of the fourth lens, d5 denotes an on-axis thickness of the third lens, d6 denotes an on-axis distance from an image-side surface of the third lens to the object-side surface 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 30, 2020Date of Patent: July 4, 2023Assignee: Raytech Optical (Changzhou) Co., Ltd.Inventors: Chenxiyang Chen, Wen Sun
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Patent number: 11586014Abstract: Disclosed is a camera optical lens comprising, 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; and a fourth lens having a negative refractive power; the camera optical lens satisfies: ?0.40?(R1+R2)/(R1?R2)??0.20; 1.50?(R3+R4)/(R3?R4)?2.00; 1.20?(R5+R6)/(R5?R6)?1.80; and 1.52?d3/d2?1.80; where, R1 and R2 denote central curvature radii of object and image side surfaces of the first lens respectively; R3 and R4 denote central curvature radii of object and image side surfaces of the second lens respectively; R5 and R6 denote central curvature radii of object side surface and image side surface of the third lens respectively; d2 denotes an on-axis distance from image side surface of first lens to object side surface of second lens L2; and d3 denotes an on-axis thickness of the second lens.Type: GrantFiled: December 30, 2020Date of Patent: February 21, 2023Assignee: Raytech Optical (Changzhou) Co., LtdInventors: Chenxiyang Chen, Wen Sun, Hiroyuki Teraoka
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Patent number: 11314151Abstract: A lens module, including: a lens barrel, a first lens group having at least one lens and accommodated in the lens barrel, a spacer provided at an end of the lens barrel close to an image side, and a second lens group having at least one lens and accommodated in the spacer, the lens barrel includes a first barrel wall forming a light aperture, a second barrel wall bending and extending from the first barrel wall, the lens barrel further includes a first inner wall and a first outer wall corresponding to the first inner wall, the spacer includes a second inner wall and a second outer wall corresponding to the second inner wall, the lens barrel is fitted and fixed with the spacer. The lens module provided by the present disclosure can be assembled section by section, which is more convenient and makes the module structure more stable.Type: GrantFiled: February 29, 2020Date of Patent: April 26, 2022Assignee: Raytech Optical (Changzhou) Co., Ltd.Inventor: Chuandong Wei
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Patent number: 10990818Abstract: A virtual reality device with iris acquisition function, includes a housing having an accommodating space, an observing lens embedded in the housing, a display screen accommodated in the housing and arranged opposite to the observing lens, and at least one iris camera accommodated in the housing. The virtual reality device further includes at least one infrared source accommodated in the housing, the infrared source is arranged on a focal plane of the observing lens and light emitted from the infrared source passes through the observing lens to an iris of a human eye. The iris camera is configured to acquire an iris image of a human eye through the observing lens and the iris camera is arranged at a position which will not interfere a line of sight of the human eye on the infrared source and the display screen.Type: GrantFiled: February 2, 2020Date of Patent: April 27, 2021Assignee: Raytech Optical (Changzhou) Co., Ltd.Inventors: Yue Chen, Rongguan Zhou