4 月国内出货量同比、环比下滑，5G 渗透率升至约78%：根据中国信通院数据， 2021 年4 月国内手机市场出货量2748.6 万部，环比-23.8%，同比-34.1%，与2019 年4 月相比-24.8%；1-4 月合计出货量1.25 亿部，同比+38.4%，与2019 年同期相比+10.6%；5G 手机渗透率维持高位，4 月5G 手机出货量2142.0万部，占比达77.9%。

4 月9 日-5 月14 日，申万计算机指数下跌1.28%，全行业排名第16。4 月9 日-5 月14 日，上证综指上涨0.22%，沪深300 指数下跌0.03%，创业板指上涨7.32%，申万计算机指数下跌1.28%，落后上证综指1.50个百分点，落后沪深300 指数1.25 个百分点，全行业排名第16 位。

半导体领域，近期，智能手机、汽车电子需求出现变化，部分高库存客户开始开展去库存动作，订单增速开始放缓，产业链逐渐回归市场真实需求。消费电子行业，海外疫情的爆发加大了未来手机需求的不确定性，海外市场出货量略有下滑。

A baby monitor is an electronic device that transmits sound and video-related activities of a baby to a receiver that is usually at the parents’ end. The basic version of a baby monitor consists of a radio transmitter that relays sound to the receiver. The receiver contains an inbuilt speaker that enables sound transmission between the baby and parents. This basic version of the baby monitor works within a short or limited range of transmission area. Technological advancements have led to the embedment of advanced features in baby monitors that keep parents updated and connected with their babies, even from a remote location. Vendors have integrated baby monitors with the latest technologies such as video transmission, Wi-Fi, and Bluetooth connectivity, to connect them with smartphones and to provide parents with continuous inputs of the baby’s activities. This, in turn, has paved the way for the growth of smart baby monitors with enhanced features for modern-day working parents.

Wearable patch, also called as smart patch or electronic skin, is used for disease monitoring and diagnosis applications. Wearable patch helps maintain health and wellbeing in elderly patients suffering from chronic conditions such as diabetes and others. This study comprises products only and not the services. The study estimates the revenue generated from the sales of wearable products. The valuations comprise revenue generated from adoption of wearable patch products by patients. The study scope focuses on wearable patch products for healthcare and fitness and sports applications.

The smart sensor market holds a substantial scope for growth in the global market. Currently, it is in its growing stage, however, its contribution to the global market is expected to witness significant growth within the next six years. High cost associated with this technology is a major limitation for market growth. However, recent innovations, which embed high efficiency and innovative features in smart devices, have enabled the technology to reach a wider audience base. Numerous players are entering the smart sensor market with innovative products. Emerging development in IoT and growth of autonomous products are expected to drive the market growth in the future.

2021年4月，传统LED下游持续复苏，Mini LED量产进程加快，大部分厂商业绩仍然向好，相较于去年同期受疫情影响，今年月多数厂商同比增幅较大。上游芯片厂晶电4月营收同比+48.08%，正加速扩产Mini LED；中游封装厂亿光4月营收同比+6.78%，光耦合器等产品需求持续强劲，部分产品价格调涨，量价齐升；荣创4月营收同比-28.12% ，主要系IC等缺货限制公司实际产能；台表科4月营收同比+55.06% ，凭借其领先的SMT技术打入大客户Mini LED供应链，量产进程加快将持续贡献营收；下游应用市场中，隆达4月营收同比-20.82% 主要并受供应链整合影响；主营LED车灯照明的联嘉光电4月营收同比+298.63%，去年疫情下需求疲软，欧美疫情缓和订单回暖；主营LED车灯模块的丽清4月营收同比+25.92%，中国大陆车市需求强劲带动车灯模组产品需求上升。目前，海外部分地区疫情缓和，整体看全球经济长期复苏趋势不改，料将促进各公司业绩回暖，往后更有望长期受益于Mini/Micro领域带来的发展机会，我们看好2021年Mini LED实现规模商用带来的增长契机。