Lite-On Technology has been granted a patent for a light sensing module that includes a substrate, a light sensing unit, a light-transmissive component, and a light shielding layer. The design allows the sensing unit to detect light intensity while optimizing light transmission and shielding. GlobalData’s report on Lite-On Technology 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 Lite-On Technology, micro-LED wearables was a key innovation area identified from patents. Lite-On Technology's grant share as of July 2024 was 73%. Grant share is based on the ratio of number of grants to total number of patents.
Light sensing module with shielding and transmissive components
The granted patent US12072236B2 describes a light sensing module designed to accurately sense the intensity of a working light beam. The module comprises a substrate with a light sensing unit that features an upper light receiving surface and a lateral surface. A first light-transmissive component covers the light sensing unit, possessing a refractive index that lies between that of the light sensing unit and air. Surrounding the lateral surface is a light shielding layer, which ensures that only the upper light receiving surface is exposed. Additional claims detail the inclusion of a blocking wall that encircles the light sensing unit and the first light-transmissive component, with specific characteristics regarding light transmittance and thickness.
Further enhancements to the light sensing module are outlined, including the potential for a second light-transmissive component positioned between the light sensing unit and the first light-transmissive component, as well as a third light-transmissive component that surrounds the first. The patent specifies the refractive indices and thicknesses of these components, ensuring optimal light transmission and minimal interference. The light shielding layer is designed to have low light transmittance, contributing to the module's effectiveness. Additionally, the patent describes an electronic device that integrates both a light emitting module and the light sensing module, facilitating the measurement of the emitted working light beam's intensity.
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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.
