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公开(公告)号：US12181248B2
公开(公告)日：2024-12-31
申请号：US17586744
申请日：2022-01-27
Inventor： Shang-yung Liang
Abstract: A sight adjusting mechanism includes an adjusting knob, an adjusting ring member, an adjusting bolt and a base. An upper-side portion of the adjusting bolt enters a through hole of the adjusting ring member to couple with the adjusting ring member. A lower-side portion of the adjusting bolt enters a through hole of the base to couple with the base. Thus, the adjusting bolt can only move along an axis. The mechanism is implemented without mechanical feedback, and thus rotating angles are improved with great precision. Also, the mechanism includes a limiting member disposed in a penetrating hole of the adjusting knob and a positioning ring mounted on the adjusting ring member. By cooperation of the limiting member and the positioning ring, an angle at which the adjusting knob can rotate is defined. A fine adjustment and a quick adjustment of a sight point are implemented.
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公开(公告)号：US12105355B2
公开(公告)日：2024-10-01
申请号：US17114778
申请日：2020-12-08
Inventor： Chia-Hung Sun , Tsan-Haw Lee , Yu-Wen Tai , Shu-Hung Lin
Abstract: A wide-angle lens assembly includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. The first lens is a meniscus lens with refractive power and includes a convex surface facing an object side and a concave surface facing an image side. The second lens is with refractive power. The third lens is with positive refractive power. The fourth lens is with refractive power. The fifth lens is with positive refractive power and includes a convex surface facing the image side. The first lens, the second lens, the third lens, the fourth lens, and the fifth lens are arranged in order from the object side to the image side along an optical axis.
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公开(公告)号：US12055698B2
公开(公告)日：2024-08-06
申请号：US17363399
申请日：2021-06-30
Inventor： Hsi-Ling Chang , Chun-Yang Yao , Ming-Huang Tseng , Chien-Hung Chen
CPC classification number: G02B15/1455 , G02B9/64 , G02B27/0025
Abstract: A lens assembly includes a first lens group, a second lens group, a third lens group, a fourth lens group, and a fifth lens group, all of which are arranged in order from a first side to a second side along an axis. The first lens group is with negative refractive power. The second lens group is with positive refractive power. The third lens group is with refractive power. The fourth lens group is with refractive power. The fifth lens group is with refractive power. The lens assembly further includes a first reflective element disposed between the first lens group and the fifth lens group, wherein the first reflective element includes a first reflective surface.
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公开(公告)号：US20240219686A1
公开(公告)日：2024-07-04
申请号：US18530293
申请日：2023-12-06
Inventor： Wen-Chieh Chen , Yu-Wen Tai
IPC: G02B9/62
CPC classification number: G02B9/62
Abstract: A lens assembly includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens is with negative refractive power. The second lens is with refractive power. The third lens is with positive refractive power and includes a convex surface facing an image side. The fourth lens is with positive refractive power and includes a convex surface facing an object side. The fifth lens is with refractive power. The sixth lens is with refractive power. The first lens, the second lens, the third lens, the fourth lens, the fifth lens, and the sixth lens are arranged in order from the object side to the image side along an optical axis.
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公开(公告)号：US20240134180A1
公开(公告)日：2024-04-25
申请号：US18490812
申请日：2023-10-19
Inventor： Fei Han , Xiao-Yao Zhang , Yue-Ye Chen , Ling-Wei Zhao , Jun-Wei Che , Hua-Tang Liu
Abstract: An optical device and the prism module thereof are provided. The prism module includes a first prism, a second prism, and a third prism. The second prism is disposed beside the first prism. The third prism is adhered to the second prism. First light enters the first prism, is reflected plural times in the first prism, enters the second prism, and is emitted from the second prism. Second light enters the second prism, is reflected plural times in the second prism, and is emitted from the second prism. Third light sequentially passes through the third prism and the second prism, enters the first prism, is reflected plural times in the first prism, and is emitted from the first prism.
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Patent Agency Ranking
公开(公告)号：US11947092B2
公开(公告)日：2024-04-02
申请号：US17567261
申请日：2022-01-03
Inventor： Hsi-Ling Chang , Guo-Yang Wu
CPC classification number: G02B15/1465 , G02B7/102 , G02B13/0045 , G02B13/0065 , G02B17/0896 , G02B27/646 , G03B17/17
Abstract: A lens assembly includes a first lens group, a second lens group, a third lens group, a fourth lens group, a fifth lens group, a sixth lens group, and a first reflective element. The first and third lens groups are with negative refractive power. The second and fourth lens groups are with positive refractive power. The fifth and sixth lens groups are with refractive power. The first, second, third, fourth, fifth, and sixth lens groups are arranged in order from a first side to a second side along an axis. The first reflective element includes a first reflective surface. A light from the first side sequentially passes through the first, second, third, fourth, fifth, and sixth lens groups to the second side. The first reflective element is disposed between the first lens group and the sixth lens group.
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公开(公告)号：US20240036347A1
公开(公告)日：2024-02-01
申请号：US18359001
申请日：2023-07-26
Inventor： Noriyuki Washio , Tomoyoshi Yano , Kazutaka Goami , Guo-Quan Lin
CPC classification number: G02B27/646 , G03B13/36 , G03B5/00 , G03B2205/0007 , G03B2205/0069
Abstract: A lens device includes a base, a lens module, a first carrier, a second carrier and a resilient element. The lens module includes an optical axis extended in a first direction. The first carrier is disposed on the base to carry the lens module. The second carrier is disposed on the base to carry the first carrier. The resilient element is flexible and connects the second carrier and the base. The first carrier is movable with respect to the second carrier in the first direction. The second carrier carrying the first carrier is movable with respect to the base in a second direction and a third direction. The first direction is perpendicular to the second direction and the third direction.
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公开(公告)号：US20230418026A1
公开(公告)日：2023-12-28
申请号：US18306282
申请日：2023-04-25
Inventor： Yuan-Fan Liang , Jia-Sin Chen
CPC classification number: G02B9/34 , H04N23/53 , G02B13/006 , G02B13/004
Abstract: A lens assembly includes a first lens, a second lens, a third lens, and a cover glass. The first lens is with positive refractive power and includes a convex surface facing an image side. The second lens is a meniscus lens with refractive power. The third lens is with positive refractive power and includes a convex surface facing the image side. The first lens, the second lens, the third lens, and the cover glass are arranged in order from the image side to an object side along a first optical axis.
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公开(公告)号：US20230296867A1
公开(公告)日：2023-09-21
申请号：US18324280
申请日：2023-05-26
Inventor： Yuan-Chen Chen
Abstract: A wide-angle lens assembly includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens, all of which are arranged in order from an object side to an image side along an optical axis. The first lens is a meniscus lens with negative refractive power. The second lens is a meniscus lens with positive refractive power and includes a concave surface facing the object side and a convex surface facing the image side. The third lens is with positive refractive power and includes a convex surface facing the object side. The fourth lens is with positive refractive power. The fifth lens is with negative refractive power. The wide-angle lens assembly satisfies: −3
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公开(公告)号：US20230194256A1
公开(公告)日：2023-06-22
申请号：US18165965
申请日：2023-02-08
Inventor： Fang-Li Ma , Yue-Ye Chen , Bin Liu , Jun-Wei Che , We-Jie Lou , Hua-Tang Liu
CPC classification number: G01C3/08 , G02B27/142 , G02B5/04
Abstract: A lens assembly for display includes a display, a lens assembly, and a prism assembly. The display emits a first light beam. The lens assembly includes a first, second, and third lenses. The prism assembly includes a first, second prisms, and an optical multilayer film, wherein the first prism includes a first, second, and third surfaces and the second prism includes a fourth, fifth, sixth, seventh, and eighth surfaces. The lens assembly for display satisfies at least one of following conditions: 0.60≤Din/TTL≤0.75; 0.28≤Din/f123≤0.35; 4.56 mm≤Din≤5.02 mm; wherein Din is an effective optical diameter of the light incident surface, TTL is an interval from the light incident surface to the light emitting surface along the optical axis, and f123 is an effective focal length of a combination of the first lens, the second lens, and the third lens.
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