OPTICAL LENS ASSEMBLY AND PHOTOGRAPHING MODULE

    公开(公告)号:US20250035889A1

    公开(公告)日:2025-01-30

    申请号:US18488976

    申请日:2023-10-17

    Inventor: Chun-Sheng LEE

    Abstract: An optical lens assembly includes: a stop; and in order from an object side to an image side: a first lens; a second lens; a third lens; a fourth lens; and a fifth lens; wherein a distance from an image-side surface of the fifth lens to an image plane along an optical axis is BFL, an absolute value of a displacement in parallel to the optical axis from an intersection between the image-side surface of the fifth lens and the optical axis to a maximum effective radius position on the image-side surface of the fifth lens is TDP10, a maximum effective radius of the image-side surface of the fifth lens is CA10, a maximum image height of the optical lens assembly is IMH, and the following condition is satisfied: 1.98

    OPTICAL LENS ASSEMBLY AND PHOTOGRAPHING MODULE

    公开(公告)号:US20250020894A1

    公开(公告)日:2025-01-16

    申请号:US18473308

    申请日:2023-09-25

    Abstract: An optical lens assembly includes, in order from an object side to an image side: a first lens with positive refractive power; a second lens with negative refractive power; a third lens with negative refractive power; a fourth lens with positive refractive power; a fifth lens with negative refractive power; wherein the optical lens assembly has a total of five lenses with refractive power, a distance from an image-side surface of the fifth lens to an image plane along an optical axis is BFL, a thickness of the second lens along the optical axis is CT2, a thickness of the third lens along the optical axis is CT3, an incident angle of a chief ray on 80% of the maximum image height of the optical lens assembly is CRA8, and the following condition is satisfied: 51.97°

    OPTICAL LENS ASSEMBLY AND PHOTOGRAPHING MODULE

    公开(公告)号:US20250020892A1

    公开(公告)日:2025-01-16

    申请号:US18473304

    申请日:2023-09-25

    Abstract: 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 negative 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 distance from an object-side surface of the first lens to an image plane along an optical axis is TL, an incident angle of a chief ray on the image plane at a maximum view angle of the optical lens assembly is CRA, a focal length of the optical lens assembly is f, and the following condition is satisfied: 51.73°

    OPTICAL LENS ASSEMBLY AND HEAD-MOUNTED ELECTRONIC DEVICE

    公开(公告)号:US20240345380A1

    公开(公告)日:2024-10-17

    申请号:US18220279

    申请日:2023-07-11

    CPC classification number: G02B25/001 G02B27/0172

    Abstract: An optical lens assembly includes, an optical element group; and in order from a visual side to an image source side: a first lens with positive refractive power, a second lens with refractive power, a third lens with refractive power, and an image source-side surface of the third lens being convex in a paraxial region thereof, and a partial-reflective-partial-transmissive element. Wherein the optical element group is disposed between the first lens and the third lens, and includes, in order from the visual side to the image source side: an absorptive polarizer, a reflective polarizer and a phase retarder. The optical lens assembly may become lightweight and have good image quality when satisfying a specific condition.

    OPTICAL FOCUS ADJUSTMENT MODULE AND HEAD MOUNTED ELECTRONIC DEVICE

    公开(公告)号:US20240069303A1

    公开(公告)日:2024-02-29

    申请号:US17982044

    申请日:2022-11-07

    Inventor: Ming-Huang HUANG

    CPC classification number: G02B7/04 G02B25/001 G06F1/163

    Abstract: An optical focus adjustment module includes an operating ring; a first lens barrel disposed in the operating ring and including three grooves; a second lens barrel disposed in the first lens barrel and including one first protrusion portion and two second protrusion portions, wherein the first protrusion portion and the two second protrusion portions are disposed in the three grooves respectively and adapted to move parallel to a central axis; first and second optical lens assemblies disposed in the first and second lens barrels respectively; a gear disposed in the operating ring and meshed with an inner surface of the operating ring; and a screw rod disposed in a through hole of the first protrusion portion and rotationally synchronized with the gear and the operating ring, whereby the operating ring drives the second lens barrel, and then moves the second optical lens assembly to a predetermined position.

    OPTICAL LENS ASSEMBLY AND A HEAD-MOUNTED ELECTRONIC DEVICE

    公开(公告)号:US20230341659A1

    公开(公告)日:2023-10-26

    申请号:US17892929

    申请日:2022-08-22

    CPC classification number: G02B13/003 G02B9/04 G06F1/163 G02B13/009 G02B5/3025

    Abstract: An optical lens assembly includes, in order from a visual side to an image source side: a first group including a first lens group and an optical element, and the optical element including, in order from the visual side to the image source side: an absorptive polarizer, a reflective polarizer and a first phase retarder; a second group including, in order from the visual side to the image source side: a second lens group with positive refractive power and a partial-reflective-partial-transmissive element; and a third group including, in order from the visual side to the image source side: a second phase retarder and an image source plane. When the optical lens assembly satisfies certain conditions, the weight of the device can be reduced, the zooming function can be provided, and the image quality can be ensured.

    Five-piece infrared single focus lens system including five lenses of +−+++, +−++−, or +++−+ refractive powers

    公开(公告)号:US11709343B2

    公开(公告)日:2023-07-25

    申请号:US17022088

    申请日:2020-09-16

    Inventor: Ching-Yun Huang

    CPC classification number: G02B13/0045 G02B9/60 G02B13/14

    Abstract: A five-piece infrared single focus 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, a third lens element with a positive refractive power, a fourth lens element, a fifth lens element, wherein a focal length of the first lens element is f1, a focal length of the third lens element is f3, 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 radius of curvature of an object-side surface of the first lens element is R1, a radius of curvature of an object-side surface of the third lens element is R5, satisfying the relation: −1.60

    Five-piece optical lens system with a wide field of view

    公开(公告)号:US11703662B2

    公开(公告)日:2023-07-18

    申请号:US17023339

    申请日:2020-09-16

    Inventor: Chun-Sheng Lee

    CPC classification number: G02B9/60 G02B13/0045

    Abstract: 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

    THREE-PIECE COMPACT OPTICAL LENS SYSTEM

    公开(公告)号:US20220291484A1

    公开(公告)日:2022-09-15

    申请号:US17826122

    申请日:2022-05-26

    Inventor: CHING-YUN HUANG

    Abstract: A three-piece compact optical lens system includes, in order from the object side to the image side: a flat panel assembly, a first lens element; a stop; a second lens element; and a third lens element. Wherein a distance from an object to an image plane along the optical axis is OTL, a distance from an image-side surface of the flat panel to the image plane along the optical axis is PTL, an image height of the image plane is Y, an object height of a chief ray of the image height of the image plane which corresponds to the image-side surface of the flat panel is P, and they satisfy the relations: 2.5 mm

    Micro lens assembly for short-range imaging

    公开(公告)号:US11385444B2

    公开(公告)日:2022-07-12

    申请号:US16868556

    申请日:2020-05-07

    Inventor: Sian-Chih Ke

    Abstract: A micro lens assembly for short-range imaging, in order from the object side to the image side: a flat panel, a first lens group, a stop, a second lens group, and an IR cut filter. Wherein a focal length of the first lens group combined is LF, a focal length of the second lens group combined is RF, a distance from an object to be imaged to an object-side surface of a first lens element of the first lens group along an optical axis is OTL, a distance from the object to be imaged to an image plane along the optical axis is TTL, and they satisfy the relations: LF>0; RF>0; 0.65

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