Delta Electronics has been granted a patent for a lighting device that includes a light board with different light emitting elements. The light dimmer circuit can drive specific elements to generate flickering or non-flickering lights. The technology involves a pure DC current generating circuit and a pulse DC current generating circuit for efficient operation. GlobalData’s report on Delta Electronics 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 Delta Electronics, Battery management systems was a key innovation area identified from patents. Delta Electronics's grant share as of April 2024 was 69%. Grant share is based on the ratio of number of grants to total number of patents.
Patent granted for lighting device with flickering and non-flickering lights
A recently granted patent (Publication Number: US11974367B2) discloses a unique lighting device that includes a light board with two different areas housing different light emitting elements. The device is equipped with a light dimmer circuit that drives the second light emitting elements to produce flickering lights in one area and the first light emitting elements to emit non-flickering lights in another area. The circuit comprises a pure DC current generating circuit for the non-flickering lights and a pulse DC current generating circuit for the flickering lights, with specific parameters to control the flicker frequency and logic levels of the pulse DC current.
Furthermore, the patent details the configuration of the lighting device, where the first area surrounds the second area, and the specifications of the first and second light emitting elements are the same. The flicker frequency of the lights is set within a range perceptible by the human visual system, while efforts are made to ensure that the flickering lights include a non-visible flicker that is challenging for the human visual system to perceive. The pulse DC current parameters are carefully controlled to maintain a specific difference between high and low logic levels, ensuring optimal performance of the flickering lights within the desired frequency range of 1 Hz to 80 Hz. The innovative design of this lighting device aims to provide a unique lighting experience by combining flickering and non-flickering lights in a single device, catering to different visual preferences and environments.
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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.
