LG Display has been granted a patent for a touch display device featuring a dual structure of X-touch lines for driving signals, along with X and Y-touch electrode lines for sensing. The design includes touch contact holes that connect these elements, enhancing touch functionality. GlobalData’s report on LG Display 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 LG Display, Under-screen fingerprint recognition was a key innovation area identified from patents. LG Display's grant share as of June 2024 was 64%. Grant share is based on the ratio of number of grants to total number of patents.
Touch display device with advanced electrode configuration
The patent US12045426B2 describes a touch display device that integrates a sophisticated arrangement of X-touch and Y-touch electrode lines to enhance touch sensitivity and functionality. The device features multiple X-touch electrode lines that extend in a first direction, receiving touch driving signals, and Y-touch electrode lines that extend in a second direction, transmitting touch sensing signals. A notable aspect of the design is the inclusion of a double line structure for the X-touch lines, comprising a top and a bottom line, which are interconnected through touch contact holes. These holes facilitate electrical connections between the X-touch lines and electrodes, optimizing the touch detection process. The claims also highlight variations in the shape and arrangement of the X-touch lines, including curved configurations and mesh-type electrode metals, which contribute to the device's performance.
Further claims elaborate on the structural nuances of the touch display device, such as the arrangement of touch contact holes, the presence of shifted areas in the X-touch lines, and the integration of Y-touch bridge electrodes in the bezel area. The design allows for specific electrical connections to be made at designated points, enhancing the overall efficiency of the touch sensing mechanism. Additionally, the patent outlines configurations where the X-touch and Y-touch lines are strategically positioned to minimize overlap while ensuring effective signal transmission. This innovative approach aims to improve the responsiveness and accuracy of touch inputs, making the device suitable for various applications in modern touch display technology.
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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.
