Largan Precision has been granted a patent for a photographing system featuring seven lens elements. The system includes various lens configurations with specific refractive powers and aspheric surfaces, designed to optimize image quality and focal length parameters, ensuring effective photographic performance. 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 July 2024 was 81%. Grant share is based on the ratio of number of grants to total number of patents.
Photographing system with seven lens elements and specific configurations
The granted patent US12072555B2 describes a sophisticated photographing system that incorporates seven lens elements arranged sequentially from the object side to the image side. The design features a combination of lens elements with varying refractive powers, including positive and negative refractive powers in specific elements. Notably, the first lens element is characterized by positive refractive power, while the third and seventh lens elements possess negative refractive power. The system is engineered to meet specific optical conditions, such as a focal length relationship among the lens elements and a maximum f-number of 2.25, ensuring high-quality image capture. Additional claims detail the structural relationships between the lens elements, including axial distances and curvature radii, which contribute to the overall optical performance.
Further claims elaborate on the individual characteristics of the lens elements, such as the convex and concave shapes of the sixth lens element's surfaces and the specific curvature relationships of the fifth lens element. The patent also outlines conditions regarding the focal lengths of the lens elements, emphasizing the importance of maintaining certain ratios and distances to optimize image quality. The system is designed to be integrated into an image capturing unit, which includes an image sensor positioned on the image surface, and can be incorporated into various electronic devices. This innovative design aims to enhance photographic capabilities while maintaining compactness and efficiency in lens arrangement.
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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.
