Sharp had 14 patents in internet of things during Q4 2023. Sharp Corp filed patents for a liquid crystal display device with high luminance and contrast ratio, a display device with improved light blocking capabilities, and a method for sidelink communication between User Equipment. GlobalData’s report on Sharp gives a 360-degreee view of the company including its patenting strategy. Buy the report here.
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Sharp grant share with internet of things as a theme is 42% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Liquid crystal display device (Patent ID: US20230367156A1)
The liquid crystal display device described in the patent filed by Sharp Corp. is designed to have high luminance and high contrast ratio, making it suitable for applications such as head-mounted displays. The device includes a liquid crystal panel, an optical element with a first polarizer, retardation layer, and second polarizer, and a backlight, arranged in that order from the viewing surface side. The first and second polarizers are reflection polarizers with parallel reflection axes, resulting in elliptical polarization of light incident on the first polarizer at oblique angles.
Additionally, the optical element may include an absorption polarizer aligned with the reflection axes of the first and second polarizers. The transmittance of the structure at a polar angle of 60° is limited to 60% or less at azimuths of 0°, 45°, and 90°, with a front transmittance of 100%. The retardation layer's slow axis is set at 30° to 60° with respect to the reflection axis of the first polarizer, and may consist of two biaxial retardation layers with specific phase difference values. The liquid crystal display device may also feature an absorption polarizer on the viewing surface side of the liquid crystal panel, and is particularly suitable for use as a head-mounted display.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
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.
