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1.发明公开
公开(公告)号：EP4386052A1
公开(公告)日：2024-06-19
申请号：EP22869311.5
申请日：2022-09-15
发明人： YANG, Huixin , HUANG, Xianbo , MAI, Jiehong , JIANG, Sujun , JIANG, Zhiqiang , YAN, Kun , LI, Jianwei , XU, Xianjun
摘要： The present invention provides a semi-aromatic polyamide molding composite material that can be used for producing an LED display screen light source reflection support. Generally, by selecting a semi-aromatic polyamide resin having a specific repeating unit, and enabling the crystallization peak width at half maximum ΔT1/2 to be 4-11°C, the whiteness to be less than 26.5, the reflectivity under a 460 nm light source to be less than 6% etc., the semi-aromatic polyamide molding composite material has the advantages of reduced blue light, high contrast ratio and high gray scale, and can meet requirements for the packaging process and long-term reliability. The package product can be used for manufacturing high-contrast LED display screen light source refection supports for use in multiple environments.
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2.发明公开
公开(公告)号：EP4403605A1
公开(公告)日：2024-07-24
申请号：EP22869310.7
申请日：2022-09-15
发明人： YANG, Huixin , HUANG, Xianbo , MAI, Jiehong , JIANG, Sujun , JIANG, Zhiqiang , YAN, Kun , LI, Jianwei , XU, Xianjun
摘要： The present invention provides a PA10T molding composite material that can be used to produce LED display light source reflection supports. The width of the crystallization peak at half height ΔT1/2 is adjusted to 3°C-10°C, the whiteness is adjusted to be less than 26, and the 460 nm light source reflectivity is adjusted to be less than 6.5%, such that the PA10T molding compound has the advantages of low blue light, high contrast, and high grayscale, can satisfy requirements of a packaging process and long-term reliability, and can be used as a packaging product to manufacture high-contrast LED display light source reflection supports applicable in multiple scenarios.
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