Largan Precision has filed a patent for an imaging lens system with a plastic lens barrel and imaging lens assembly. The system includes specific dimensions and angles for optimal performance. The patent aims to improve imaging quality and precision in optical devices. GlobalData’s report on Largan Precision gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Largan Precision, AR/VR head-up displays was a key innovation area identified from patents. Largan Precision's grant share as of January 2024 was 82%. Grant share is based on the ratio of number of grants to total number of patents.
Imaging lens system with plastic lens barrel and large lens element
The patent application (Publication Number: US20240036287A1) describes an imaging lens system designed with specific features to enhance optical performance. The system includes a plastic lens barrel made of black plastic material through injection molding, with an object-side surface perpendicular to the optical axis and an image-side surface opposite to it. The inner annular portion of the lens barrel has at least one inner parallel annular surface with a diameter larger than p2 millimeters, while the outer annular portion features a first outer annular surface and at least three gate traces. The imaging lens assembly is positioned within the plastic lens barrel, with the outer annular surface tapered towards the object-side surface at an angle a satisfying the condition 15 [deg]=a=55 [deg].
Furthermore, the patent application details additional aspects of the imaging lens system, such as the axisymmetric arrangement of the at least three gate traces, the presence of at least three planes on the outer annular portion, and specific distance requirements between various components of the plastic lens barrel. The system is designed to be non-threaded, with a maximum outer diameter of the object-side surface smaller than that of the image-side surface. The application also extends to a camera module incorporating the imaging lens system and an image sensor, as well as an electronic device equipped with the camera module. These innovations aim to improve the overall performance and functionality of imaging systems in electronic devices.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
