On July 15, Yu Diamond (300064.SZ) issued a plan for the increase. The company plans to issue more than 80 million shares to 5 specific investors, and raise 325 million yuan to invest in the annual production of 350 million meters of micron diamond line expansion project. And supplement liquidity.
Read TutorialThe data center allows you to "buy online" For Chinese netizens, the most anticipated festivals may no longer be limited to the Spring Festival and National Day, but so-called festivals such as “Double Eleven†and “Double Twelveâ€, and behind
Read TutorialThe China Mobile Multimedia Broadcasting and Television (CMMB) standard is a mobile multimedia standard developed by China and fully controlled by independent intellectual property rights. Compared with other foreign mobile TV technologies, CMMB's many technologies are at
Read Tutorial1, anode material The anode material of the OLED is mainly used as the anode of the device, and the work function is required to be as high as possible in order to improve the injection efficiency of holes. OLED devices require that the electrodes must be transparent on one s
Read TutorialBoost circuit not only can boost, but also requires less components in the topology itself, which is beneficial to improve efficiency, and is very suitable for applications that need to supply batteries to LEDs. Analog dimming and digital dimming of LEDs were achieved through
Read TutorialIn 2014, ARM's 64-bit architecture became the focus of chip vendors. ARM has introduced a 64-bit ARM reference architecture, namely the Cortex-A57 and A53 architectures. However, the market response is not strong enough. So AMD came out and announced the introduction of 64
Read TutorialFor the introduction of a successful digital technology, proper on-site investigation is the first thing to do. This investigation and its site preparation work should be completed before any digital front-end equipment arrives at the installation to avoid unnecessary delays during the insta
Read TutorialThe rapid development of the Internet of Things and the higher demands placed on the technology by the harsh industrial environment have pushed the industry toward a more intelligent direction. The gradual transformation of China's social industrial structure and the intro
Read TutorialWith the advancement of LED display technology and the continuous improvement of the performance of LED device materials, the application of full-color LED displays in the market is increasing. Whether walking on the streets or in shopping malls and supermarkets, full-color LED displays are everyw
Read TutorialDALI system is not suitable for Chinese landscape lighting control Address structure analysis: The DMX512 protocol is a one-dimensional address structure with 512 channels (sending scan signals to maintain dynamic image display) suitable for landscape lighting control. DALI protocol belongs to t
Read TutorialThe quality of the LED driver power supply will directly affect the life of the LED , so how to do a good LED driver power is the top priority of LED power supply designers. This article will introduce some of the problems with LED driver power and hope to benefit design engineers.
Read TutorialThe first stroke, according to the season, the environment to choose the color temperature: color temperature range is 2700 ~ 6500K, the smaller the value is biased towards yellow light, otherwise the bias is toward blue and white light, yellow light is usually suitable for winter and bedroom, livi
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