The edge-lit LED backlight design is driven by Samsung, but almost all panel makers are now focusing on edge-lit LED backlight technology (Sharp is synchronizing the development of direct-lit LED backlight technology). According to the latest survey by market research firm DisplaySearch, in the fourth quarter of 2010, global panel makers with LG Display's LED-backlit TV panel shipments accounted for the highest market share, reaching 31.1%. Secondly, Sharp's market share is about 21.5%. The 3rd to 5th vendors ranked Samsung's market share at 20.8%, AU Optronics' market share at 14.2%, and Chi Mei's market share at 8.5%. As for the fourth quarter of 2010, CPT's market share in the global LED-backlit TV panel market was about 2.9%, and Panasonic's market share was only 0.9%. However, if we look at the shipments (revenues) of LED-backlit TV panels from various panel manufacturers, the market share of Sharp and Samsung shipments in the fourth quarter of 2010 is close to 27.3%, ahead of other peers, LG Display. The market share of shipments is about 25.1%, ranking third. As for AUO, the market share is about 13.9%. From the perspective of the penetration rate of LED backlights of various sizes, the LED backlight penetration rate of LCD TV panels above 60 inches in the fourth quarter of 2010 reached 87%, and the LED backlight penetration rate of 50-inch to 54-inch TV panels reached 76%, 55 inches. The LED penetration rate of the 59-inch TV panel is 67%. As for the 46-inch to 47-inch model, the LED backlight penetration rate is about 54%, 40-inch to 42-inch, and the 32-inch model LED backlight penetration rate is about 37%, 17 respectively. %. Managed POE Industrial Switches The POE switch port supports an output power of 15.4W or 30W, in line with the IEEE802.3af/802.3at standard, and supplies power to standard POE terminal equipment through network cable power supply, eliminating the need for additional power wiring. In line with IEEE802.3at POE switch, the port output power can reach 30W, and the power available to the powered device is 25.4W. In layman's terms, a POE switch is a switch that supports network cable power supply. It can not only realize the data transmission function of ordinary switches, but also at the same time. Supply power to the network terminal.
POE (Power Over Ethernet) refers to the use of IP-based terminals (such as IP phones, wireless LAN access points AP, network cameras) without any changes to the existing Ethernet Cat.5 cabling infrastructure. Etc.) While transmitting data signals, it can also provide DC power supply technology for such devices. POE technology can ensure the normal operation of the existing network while ensuring the safety of the existing structured cabling, minimizing costs.
POE is also known as a local area network-based power supply system (POL, Power over LAN) or Active Ethernet (Active Ethernet), sometimes also referred to as Power over Ethernet for short. This is the use of existing standard Ethernet transmission cables to transmit data and data at the same time. The latest standard specification of electric power, and maintains compatibility with existing Ethernet systems and users. The IEEE 802.3af standard is a new standard based on the POE of the Ethernet power supply system. It adds related standards for direct power supply through the network cable on the basis of IEEE 802.3. It is an extension of the existing Ethernet standard and the first international standard for power distribution. standard.
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