GENEVA, Aug. 4 -- JILIN OLED OPTICAL AND ELECTRONIC MATERIALS CO., LTD. (19F, Silicon Valley Productivity Building A, Hi-tech Development ZoneChangchun, Jilin 130000), 吉林奥来德光电材料股份有限公司 (中国吉林省长春市高新开发区硅谷新城生产力大厦A座19层) filed a patent application (PCT/CN2024/137512) for "ORGANIC ELECTROLUMINESCENT COMPOUND, HOST MATERIALS, AND LIGHT-EMITTING DEVICE AND LIGHT-EMITTING APPARATUS COMPRISING SAME" on Dec 06, 2024. With publication no. WO/2025/156843, the details related to the paten...