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公开(公告)号：US20230047080A1
公开(公告)日：2023-02-16
申请号：US17498758
申请日：2021-10-12
发明人： Chun-Sheng LEE , Chi-Chang WANG
摘要： An optical lens assembly includes, in order from the object side to the image side: a stop, a first lens, a second lens, a third lens, and an IR band-pass filter, wherein half of a maximum view angle (field of view) of the optical lens assembly is HFOV, a radius of curvature of an image-side surface of the third lens is R6, a focal length of the optical lens assembly is f, and following condition is satisfied: −6.83
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公开(公告)号：US20210389569A1
公开(公告)日：2021-12-16
申请号：US17023349
申请日：2020-09-16
发明人： Chun-Sheng LEE
摘要： A six-piece optical lens system with a wide field of view includes, in order from the object side to the image side: a first lens element with a negative refractive power, a stop, a second lens element with a positive refractive power, a third lens element with a negative refractive power, a fourth lens element with a positive refractive power, a fifth lens element with a positive refractive power, and a sixth lens element with a negative refractive power, wherein central thicknesses of the first, third, fourth, fifth and sixth lens elements along the optical axis are CT1,CT3,CT4,CT5,CT6, respectively, satisfying the relations: 2.07
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公开(公告)号：US20220099929A1
公开(公告)日：2022-03-31
申请号：US17035673
申请日：2020-09-28
发明人： CHING-YUN HUANG , Chun-Sheng LEE , Sian-Chih KE , Shu-Tzu LAI
摘要： A seven-piece optical lens system includes, in order from the object side to the image side: a stop; a first lens element with a positive refractive power; a second lens element with a negative refractive power; a third lens element with a refractive power, a fourth lens element with a positive refractive power; a fifth lens element with a refractive power; a sixth lens element with a positive refractive power; and a seventh lens element with a negative refractive power. Such arrangements can provide a miniaturized seven-piece optical lens system having a big stop and high image quality.
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公开(公告)号：US20220099928A1
公开(公告)日：2022-03-31
申请号：US17031934
申请日：2020-09-25
发明人： CHING-YUN HUANG , Chun-Sheng LEE , Sian-Chih KE , Shu-Tzu LAI
摘要： A seven-piece optical lens system, in order from the object side to the image side: a first lens element with a positive refractive power; a second lens element with a negative refractive power; a third lens element with a refractive power, a fourth lens element with a refractive power; a fifth lens element with a positive refractive power; a sixth lens element with a refractive power; and a seventh lens element with a negative refractive power. Such arrangements can provide a miniaturized seven-piece optical lens system having a big stop and high image quality.
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公开(公告)号：US20180120535A1
公开(公告)日：2018-05-03
申请号：US15336761
申请日：2016-10-27
发明人： Chun-Sheng LEE
CPC分类号： G02B13/008 , G02B13/004
摘要： A four-piece infrared single wavelength lens system, in order from an object side to an image side, includes: an aperture stop; a first lens element with a positive refractive power having an object-side surface being convex and an image-side surface being concave near the optical axis; a second lens element with a positive refractive power having an object-side surface being concave and an image-side surface being convex near the optical axis; a third lens element with a refractive power having an object-side surface being concave and an image-side surface being convex near the optical axis; and a fourth lens element with a refractive power having an object-side surface being convex and an image-side surface being concave near the optical axis, and at least one inflection point being formed on one of the object-side surface and the image-side surface of the fourth lens element.
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公开(公告)号：US20240310604A1
公开(公告)日：2024-09-19
申请号：US18202945
申请日：2023-05-28
发明人： Ching-Yun HUANG , Chia-Wei LIAO , Chun-Sheng LEE
CPC分类号： G02B9/62 , G02B7/028 , G02B13/0045 , G02B13/06 , G02B7/021 , G02B27/0018
摘要： An optical lens assembly includes, in order from an object side to an image side: a first lens with negative refractive power; a second lens with positive refractive power; a third lens with positive refractive power; a fourth lens with positive refractive power; a fifth lens with negative refractive power; a sixth lens with positive refractive power; wherein a chief ray angle incident on an image plane at a maximum view angle of the optical lens assembly is CRA, a distance from the image-side surface of the sixth lens to the image plane along an optical axis is BFL, a focal length of the optical lens assembly is f, and the following condition is satisfied:
0.54
°
/
mm
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公开(公告)号：US20230064519A1
公开(公告)日：2023-03-02
申请号：US17515544
申请日：2021-10-31
发明人： Chi-Chang WANG , Chun-Sheng LEE , Ching-Yun HUANG
摘要： An optical lens assembly includes, in order from the object side to the image side: a stop, a first lens with positive refractive power, a second lens with negative refractive power, a third lens with positive refractive power, a fourth lens with positive refractive power, and a fifth lens with negative refractive power, wherein half of a maximum view angle (field of view) of the optical lens assembly is HFOV, a radius of curvature of an object-side surface of the fifth lens is R9, a focal length of the optical lens assembly is f, and following condition is satisfied: −79.81
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公开(公告)号：US20210382274A1
公开(公告)日：2021-12-09
申请号：US17023339
申请日：2020-09-16
发明人： Chun-Sheng LEE
摘要： A five-piece optical lens system with a wide field of view includes, in order from the object side to the image side: a first lens element with a negative refractive power, a stop, a second lens element with a positive refractive power, a third lens element with a negative refractive power, a fourth lens element with a positive refractive power, a fifth lens element with a negative refractive power, wherein a central thickness of the first lens element along an optical axis is CT1, a central thickness of the third lens element along the optical axis is CT3, a central thickness of the fourth lens element along the optical axis is CT4, a central thickness of the fifth lens element along the optical axis is CT5, satisfying the relations: 0.69
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公开(公告)号：US20230052783A1
公开(公告)日：2023-02-16
申请号：US17504494
申请日：2021-10-18
发明人： Chun-Sheng LEE , Chi-Chang WANG , Ya-Hsin HUANG
摘要： An infrared projection lens assembly includes, in order from the image side to the image source side: a stop, a first lens with positive refractive power, a second lens with refractive power, and a third lens with positive refractive power, wherein a radius of curvature of an image-side surface of the first lens is R1, half of a maximum view angle (field of view) of the infrared projection lens assembly is HFOV, a focal length of the infrared projection lens assembly is f, and following condition is satisfied: −18.2
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公开(公告)号：US20170235099A1
公开(公告)日：2017-08-17
申请号：US15042761
申请日：2016-02-12
发明人： Fei-Hsin TSAI , Chun-Sheng LEE
CPC分类号： G02B13/008 , G02B5/005 , G02B5/208 , G02B9/34 , G02B13/004 , G02B27/0025
摘要： A four-piece infrared single wavelength lens system includes, in order from the object side to the image side: a first lens element with a positive refractive power, a stop, a second lens element with a refractive power, a third lens element with a positive refractive power, and a fourth lens element with a negative refractive power. The focal length of the first lens element is f1, the focal length of the second lens element and the third lens element combined is f23, and they satisfy the relation: 0.05
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