New flat panel display fast growth supporting PCB investment space

The development of information technology and the wide use of household appliances, making all kinds of display using the base and greatly increased demand, although a variety of flat panel display (FPD) is a common double, four layers, six layers or eight layers of PCB boards, but its huge demand has led to the development of the PCB industry, especially small and medium sized PCB enterprises. The new display technology TFT and PDP, the development of flexible circuit board (FPC) has played a revolutionary impetus. At the same time, COF module technology on flexible circuit board (FPC) is also a challenge. Some famous companies, such as Nitto, SONY, Mekan, have to set up factories in Suzhou, to meet the growing market demand.

Along with the growth of the demand of various kinds of machines, the dependence of the new flat panel display and PCB is more prominent, and the common development, mutual benefit and mutual benefit have been formed.

PDP flexible circuit board production capacity fully released

According to the statistics of the internationally renowned flat display survey agency DisplaySearch, in 2005, the global PDP (plasma display) shipments from 6 million 500 thousand units in 2004 rose to 7 million 150 thousand units. In the first quarter of 2006, China's PDP shipments increased by 43% compared with the same period, a record high.

PDP is a kind of active light emitting display. National Engineering Research Center of flat panel display director Wang Xufeng said, because PDP is used in driving voltage, large current, high peak value, therefore requires a definite pressure on PCB, in design, should pay attention to the line width to maintain a certain distance, and pay attention to heat.

PDP module in the form of similar to TFT, but also the use of the 4 block PCB+ FPC connection. One of the 4 main PCB power board, driver version, data and control panel, image interface board, etc.. The use of four or more than six layers of multilayer board, mostly using BGA or QFP packaging. While FPC is used to carry a large number of demand driven IC, and thick seam.

And TFT drives like PCB and FPC, in 2003 to 2005 in the development progress of PDP, but also led to the development of PCB industry and FPC, for example, is currently in the saturated state of Nitto and SONY production factory in Suzhou, mainly for PDP high precision FPC products.

TFT flexible circuit board tight

Whether street youth held by MP4 camera or mobile phone, or business office in the computer screen or business notebook, and home in the hall of flat-panel TV everywhere, it can be seen that this is the TFT-LCD thin film transistor display, the most fashionable and presents fiery upward trend display.

Northern color group chief engineer Jing Hai introduced in the TFT module on the way PCB taken. TFT module to take 3 or more than 4 PCB+ block FPC (flexible circuit board) mode. One of the main PCB power board, signal board, scanning board, etc., the use of four or more layers of the multilayer board, there is no special technical requirements for the six. The sum of these PCB area, and many are similar to the area of the TFT panel, so the industry has a large area of TFT, there is a large area of the PCB argument.

For flexible circuit board, TFT is more closely related to quantity and quality. Because each TFT driver IC driven approach is limited, so each IC pixel ranks respectively control a certain number of. "Shanghai radio and television technology minister Jin Bo NEC said," in the past, a 1024 x 768 resolution TFT screen, a total of 1024 x 768 x 3 pixel display, if you think of it as the X and Y axis, X axis on the 1024 x 3 columns need 8 to control the 384 column IC driver, and the 768 line is the Y axis to 3 IC can control 256 line drive, need a total of 11 drive IC. Therefore, in order to save costs, in the design of the TFT, we also use less drive IC technology. "

While the emerging domestic flexible circuit board manufacturers - Shenzhen BYD fourth business manager Gu Zhiming said, TFT often use COG (Chip On package Glass), driver of the upcoming LCD transfer from PCB to LCD on the glass, and IC and the circuit board are connected with the flexible circuit board, so as to improve the the use of space board. Since each driver IC need a FPC as the bearer, which led to the needs of the FPC. While driving and packaging technology, and the FPC gradually extended to 30 microns below seams, manufacturing of FPC also requires very high technology. This is why in recent years the rapid development of the FPC industry. In the past few years, more than a 15 inch TFT module, in 8 to 14 COG flexible circuit board at the same time, also need 4 to 6 with FPC (but for cost reduction, FPC connection has been canceled, and the number of FPC driver IC bearing there are less). The COG mode of the FPC, the main control in the Nitto, SONY and other Japanese manufacturers, while the other connection FPC, mainly by the Taiwan province and the mainland factory processing. Gu Zhiming said: "since the COF (Chip On Film or Chip On Flexible, which is driving IC production in FPC) and COG have higher technical requirements of FPC, makes the TFT FPC not only good writings make people copy them. market price per square meter, up to $500 to $600, and in improving the production rate of obstacle, also make many small and medium enterprises FPC wangyangxingtan. "

Due to the wide application of TFT in TV, notebook and monitor, the limitless market space will also have a negligible impact on PCB and FPC. Only in 2005, 120 million sets of large and medium size TFT display (more than 10 inches), driven by nearly two sides or 500 million