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From the grove to the sky: Chinese team develops drone made of bamboo-based composites_我的网站

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A | 8月26日消息，今天上午，天马在厦门举办高端OLED技术品牌发布会，正式推出新一代天工屏。据天马介绍，天工屏1.0上市一年以来，相关终端用户已突破1000万，并获得了德国莱茵、中国质量认证中心、SGS等七大权威机构的认证，被媒体评为“五星好屏”。

A drone made of bamboo-based composite materials is seen in flight. Photo: official WeChat account of Long BambooA Chinese team has developed a drone using bamboo-based composite materials after making a breakthrough in a technique that allows bamboo to be flattened while preserving its tough outer layer. The drone has completed multiple test flights, China Central Television (CCTV) News reported.
Long Bamboo, a company based in East China's Fujian Province, developed the technique that preserves the bamboo's tough outer layer and allows different parts with different densities of the material to be used according to their properties, improving its overall performance.
In the past, the outer skin of bamboo was often treated as leftover material and eventually burned into low-value bamboo charcoal.
According to a company release in February, bamboo-based composites now make up more than 25 percent of the entire drone, while its fuselage skin is made entirely from the company's own high-performance bamboo composite material.
The bamboo-based material also offers a major cost advantage, costing only about one-quarter to one-tenth as much as aviation-grade carbon fiber. After the drone is retired, the material can naturally degrade, allowing it to effectively "come from nature and return to nature."
The team spent four years building data models, upgrading equipment and refining the material. The resulting drone has a wingspan of more than 2.5 meters but weighs only about 7 kilograms, and has already completed multiple test flights, according to CCTV News.
Bamboo was traditionally used mainly in products such as tableware and furniture. Now, however, the material is finding its way into a wider range of industrial applications. Bamboo fiber is being used in automobile interiors, while bamboo-based materials are also being explored as possible substitutes for plastics, glass fiber and carbon fiber in some applications.
China has the world's largest bamboo resource base, with about 7.56 million hectares of bamboo forests nationwide. The country also ranks among the world leaders in bamboo resources, bamboo cultivation technologies and the development and utilization of bamboo materials, per CCTV News.
Global Times
。天工屏凭借扎实的市场表现，证明了国产高端OLED的技术实力。基于屏幕研发的第一性原理与人因研究成果，第二代天工屏（注：以下简称天工屏2.0）正式发布，它将重新定义下一代旗舰屏幕显示标准。

B | 据悉，这块屏幕首发搭载N1原色光谱发光材料，实现了有害蓝光低至3.7%的行业最低水平，同时将650至670纳米有益红光占比提升至5.5%，创下OLED行业新高。此外，它还实现了95% BT.2020超广色域的原生覆盖，屏幕使用寿命提升了30%。

C | 天工屏2.0以“原色好光，护眼通透”重新定义了高端OLED在健康与画质方面的标准。作为三层架构的核心根基，N1原色光谱发光材料从底层三基色同步革新。蓝光方面采用了NFB新荧光蓝技术，为激子搭建独立分流通道，使发光效率提升16%，寿命提升33%，同时大幅降低了有害蓝光。绿光方面则采用PSF磷光敏化荧光技术，从二元结构走向主体、敏化剂与客体三元协同，发光效率提升11%，绿光色域提升6.7%，寿命也得到显著提升。 红光方面应用了DRT深红光技术，筛选近百款深红光材料并完成近700组器件交叉对比实验，使有益红光提升至5.5%，创下行业新高。 好材料还需配合优质的画质优化策略，天工屏2.0在TFT驱动背板方面，从膜层沉积均一性与膜层刻蚀均一性入手，通过纳米级精细背板工艺逐层打磨，使单屏数千万颗TFT的均一性提升15%，整面板数亿颗TFT的均一性提升20%，在低亮度下依然能够均匀发光而不偏色。在画质调节端，天工屏2.0打造了自研AI De-Mura智控算法，基于海量低灰阶画面样本进行训练，使低亮均一性提升30%，在0.01尼特的极限暗光环境下亮度和色彩均匀度均有提升，暗处更清晰，暗光更通透。 据了解，这块天工屏2.0将由OPPO Find X10系列首发搭载，相关终端预计在9月份正式发布。

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