Synaptics. has filed a patent for a display device with a backlight module and control circuitry to adjust luminance based on pixel brightness. The technology aims to enhance display quality by dynamically adjusting light sources. GlobalData’s report on Synaptics 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 Synaptics, Wearable computers was a key innovation area identified from patents. Synaptics's grant share as of January 2024 was 63%. Grant share is based on the ratio of number of grants to total number of patents.
Display device with backlight control based on pixel brightness
A display device patent (Publication Number: US20240038183A1) describes a display device with a display panel, a backlight module with multiple light sources, and backlight control circuitry. The circuitry controls the luminance of the light sources based on weighted averages of brightness values for specific sets of pixels on the display panel. The weighted averages are determined by assigning weights to pixels based on their distance from the light source, with closer pixels receiving higher weights. Additionally, the control circuitry can adjust the luminance of different light sources based on brightness values for different sets of pixels, with some pixels belonging to multiple sets.
Furthermore, the patent also covers a display driver that includes drive circuitry to operate a display panel illuminated by a backlight module with multiple light sources. Similar to the display device, the backlight control circuitry in the display driver adjusts the luminance of the light sources based on weighted averages of brightness values for specific sets of pixels on the display panel. The weights assigned to pixels are dependent on the distance between the pixel and the corresponding light source, with closer pixels receiving higher weights. The control circuitry can also adjust the luminance of different light sources based on brightness values for different sets of pixels, with some pixels belonging to multiple sets. This patent introduces a method for illuminating a display panel with a backlight comprising multiple light sources and controlling the luminance of the light sources based on weighted averages of brightness values for specific sets of pixels on the display panel. The weights assigned to pixels are determined by the distance between the pixel and the corresponding light source, with closer pixels receiving higher weights. This method allows for precise control of the backlight to enhance the display quality and optimize energy efficiency.
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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.
