Core Viewpoint - Hehui Optoelectronics (688538) has filed an international patent application for a "Stacked OLED Device," with the application number PCT/CN2024/126364, set to be published internationally on February 12, 2026 [1] Group 1: Patent Information - Hehui Optoelectronics has announced a total of 2 international patent applications this year, representing a decrease of 33.33% compared to the same period last year [1] - The details of the newly filed patent include advancements in OLED technology, which may enhance the company's competitive edge in the market [1] Group 2: R&D Investment - In the first half of 2025, Hehui Optoelectronics invested 83.1508 million yuan in research and development, reflecting a year-on-year increase of 14.23% [1]
和辉光电公布国际专利申请:“叠层OLED器件”