Sharp’s patented display device features a unique design with a light-emitting element layer, an insular TEG pattern, and a metal film in the contact area. The device includes a frame area, a sealing layer with organic film, and a partition wall. The innovative technology enhances display performance and durability. GlobalData’s report on Sharp 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 Sharp, Adaptive video coding was a key innovation area identified from patents. Sharp's grant share as of May 2024 was 39%. Grant share is based on the ratio of number of grants to total number of patents.
Display device with improved light-emitting element layer
A recently granted patent (Publication Number: US12016208B2) discloses a display device with a unique design aimed at improving functionality and performance. The device includes a display area with a stack body comprising various layers such as a thin-film transistor (TFT) layer, a light-emitting element layer, and a sealing layer. Notably, the sealing layer incorporates at least one organic film and a partition wall in the frame area to delineate the edge of the organic film. Additionally, a contact area is present between the display area and the partition wall, where the cathode is electrically connected to a metal film made of the same material and in the same layer as the anode. An insular test element group (TEG) pattern, made of the same material as the functional layer, is provided in the contact area, enhancing the device's overall performance.
Furthermore, the patent details various configurations and arrangements within the display device, such as the overlap of the insular TEG pattern with openings in the metal film, the shape and design of the openings, and the presence of out-of-pixel partition walls and banks. These features contribute to the efficient operation and structural integrity of the display device. By incorporating these innovative elements, the patented display device aims to offer improved functionality, performance, and reliability compared to existing technologies in the market, catering to the evolving needs of the display industry.
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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.
