Toyota Boshoku’s patented vehicle light-adjusting system adjusts brightness in the interior based on external light and occupants’ needs. The system includes a control unit, light-adjusting member, and light emitting unit. It can adjust transmittance and illuminance individually for different parts, enhancing comfort and privacy for occupants. GlobalData’s report on Toyota Boshoku 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 Toyota Boshoku, Autonomous seating was a key innovation area identified from patents. Toyota Boshoku's grant share as of April 2024 was 55%. Grant share is based on the ratio of number of grants to total number of patents.
Vehicle light-adjusting system for interior brightness adjustment
A recently granted patent (Publication Number: US11958408B2) discloses a vehicle light-adjusting system that includes an incident portion for external light entry, a light-adjusting member, a light emitting unit inside the vehicle, and a control unit. The system allows for individual adjustment of transmittance for different parts of the light-adjusting member, while also adjusting the illuminance of the light emitting unit. An information acquiring unit gathers data on objects inside the vehicle, enabling the control unit to regulate the amount of external light entering the vehicle and adjust the emission light accordingly to maintain optimal lighting conditions.
Furthermore, the patent details additional features such as the adjustability of the light emitting unit's irradiation range based on acquired information, the use of various data points like brightness, temperature, and eye pupil diameter for control, and the ability to customize brightness levels for different occupants. The system also ensures privacy by alternately arranging light-shielding and non-light-shielding parts of the light-adjusting member. With the control unit capable of voice or manual operation initiation, the system dynamically maintains a constant brightness level in the vehicle by simultaneous adjustment of transmittance and illuminance, offering a sophisticated lighting solution for vehicle interiors.
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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.
