AUO has been granted a patent for a pixel array design featuring a unique configuration of transistors and light emitting diodes in each pixel. This innovation aims to enhance display performance and efficiency. GlobalData’s report on AUO 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 AUO, Under-screen fingerprint recognition was a key innovation area identified from patents. AUO's grant share as of January 2024 was 77%. Grant share is based on the ratio of number of grants to total number of patents.
Pixel array with light emitting diodes and transistors
The granted patent (Publication Number: US11887529B2) discloses a pixel array comprising a plurality of pixels, each consisting of a light emitting diode, transistors, and control signals. The configuration includes a first transistor receiving data and scan signals, a second transistor connected to the LED, a third transistor receiving system voltage, a fourth transistor linked to an adjacent pixel's LED, and a fifth transistor managing system voltage levels.
Furthermore, the patent details additional features such as a sixth transistor connecting to the adjacent pixel's LED, different control signals for enabling light emission and scanning periods, and a compensation circuit involving capacitors and transistors. The arrangement of control signals ensures precise timing for activating the LEDs in each pixel, enhancing the overall performance and efficiency of the pixel array. Additionally, the inclusion of the compensation circuit helps in maintaining stability and accuracy in controlling the light emission process within the array, contributing to improved display quality and reliability.
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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.
