Hamamatsu Photonics has been granted a patent for a light source unit featuring a base with an opening, a support member, and a light source assembly. The assembly includes a laser light source and a lens, with a uniquely designed convex receiving surface that enhances stability and alignment. GlobalData’s report on Hamamatsu Photonics 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 Hamamatsu Photonics, Welding robots was a key innovation area identified from patents. Hamamatsu Photonics's grant share as of June 2024 was 53%. Grant share is based on the ratio of number of grants to total number of patents.
Light source unit with a curved support for laser assembly
The patent US12044957B2 describes a light source unit designed for applications involving laser light emission. The unit comprises a base with an opening, a support portion positioned at this opening, and a light source assembly that includes a laser light source and a holding member. The support portion features a curved receiving surface that surrounds the optical axis of the emitted laser light. The holding member is coupled to this receiving surface, which is designed to facilitate the secure attachment of the light source assembly while allowing for adjustments in the optical alignment. Various configurations of the holding member are detailed, including cylindrical shapes and inclined surfaces, which enhance the stability and precision of the assembly.
Additionally, the patent outlines a method for manufacturing the light source unit, which involves several steps: adjusting the distance between the light source and a lens, disposing the light source assembly onto the support portion, and adjusting the inclination of the assembly. The final step includes fixing the assembly to the support portion, potentially using laser welding for secure attachment. The design also accommodates a projection display device that utilizes the light source unit, emphasizing its versatility in applications requiring efficient laser light diffusion. Overall, the claims highlight innovative structural features and manufacturing processes aimed at optimizing the performance and reliability of laser-based light source units.
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