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Optical technology is changing with each passing day Since Edison invented the light bulb, optical has improved human life for hundreds of years. It can even be said that optical products and technology have become part of human life. Today, optical displays are used everywhere, such as large billboards, TV/computer screens, consumer electronics, home appliances, small displays (clocks, watches), etc. However, purely optical technology is not enough to drive such displays. Technology, not to mention the need to achieve high precision, high image quality, high security, save points, etc., it is even more difficult.
According to George Rose, general manager of Teradyne's LCD driver IC business unit, iSuppli predicts that the unit growth of LCD driver ICs will reach 15.1% in 2008. It is also estimated that with the rising global demand, the number of driver ICs will be from last year. 6.9 billion grew to 9.9 billion in 2010. Such large business opportunities and usage, while the activation has stimulated the semiconductor and optoelectronics industry, and also made Teradyne pay more attention to the development potential of LCD driver ICs.
He further pointed out that at the current technology maturity, countries focus on R&D expenditures as an arms race. No matter whether large-scale markets are established one after another, they are also attached to small-size portability and multi-applications. The most important thing is In the improvement of the UI (User Interface), there has been considerable progress. For example, Taiwan's uniquely developed flexible electronics can already load relevant driver ICs on flexible substrates, not only completely changing the specifications and technologies of the old silicon substrates, but also increasing the design and application space of the driver ICs. Of course, At the time of technology synchronization improvement, cost considerations are also very important, so these will become a major challenge in the future of LCD driver IC bonding technology. However, it will be accompanied by greater market and design applications, as well as more sophisticated measurement technology needs.
Test demand is improving
George Rose said that due to the demand of the LCD driver IC market, the test technology must also be refined and growing at the same time. He also used Teradyne's D750Ex system as an example, pointing out that in this test system, a password for each foot is provided (Pin The architecture of high-density resources, in addition to supporting more than 97% of the parallel test efficiency of the overall program, also has an embedded DSP and a central DSP architecture to increase processing efficiency. Thanks to its small size, it saves a lot of space and can be reduced to 50-85%.
In addition, he also said that because of the architecture of 10,000 Universal Slot, multiple types of devices can be placed in the same system according to equipment testing requirements. This high integration not only saves costs, but also improves efficacy. In addition, Teradyne also added the Memory Test Option (MTO) to test the mobile driver IC in one go without the need for additional terminals. On today's systems, mobile devices must be tested on two platforms, one for the platform to test the LCD and the other for test memory. Relatively speaking, this "any-end" architecture for each channel not only greatly simplifies the design of the probe card, but also makes the development environment of the multi-point test more flexible.
Of course, the most important thing is the use of the operating space. George Rose pointed out that any test instrument must be measured by humans. When the space occupied by the instrument is too large, relatively speaking, it can be used and operated by people. The space has become very limited. This kind of advantage is not only to save the cost of the instrument, but for the person who operates, reducing the space occupied by the device can not only improve the amount of energy, but also the quality (yield), so the test ratio It is not just technology, but the return to human care and convenience is also very important.
Taiwan will be the panel of the town to talk about the panel, can not help but also come to compare, under the global overall layout, Asia is still a very important market, especially in the case of super Han to catch up with Japan, Taiwan's future role in the LCD market How will it play? George Rose said that these three countries have their own characteristics, but under the overall improvement of Taiwan's panel technology, it has become a new dominant position, in addition to the monopoly of total panel exports, due to Taiwan's low cost and large-size panel technology advantages. In the future, it will shine in the LCD market, which is the main reason why Teradyne chose to cooperate with Taiwanese manufacturers.
He also cites Teradyne's 4,205 FLEX and J750 platform systems in the world. Taiwan accounts for 713 systems. Although it lost to 810 systems in Japan, it will not be Taiwan because of the market segmentation. Manufacturers pose too much threat (Japan is dominated by small screens). However, compared with neighboring South Korea (240 systems), Taiwan's overall market appetite is quite scary, which is why he believes that Teradyne's cooperation with Taiwan will be indicative of the overall LCD measurement market.
In conclusion, there is a market to measure. However, for those manufacturers who invest a considerable amount of cost, they cannot wait until the market demand appears, otherwise the equipment will not be able to cut into the market and meet the supply and demand. Therefore, in the future, it is foreseeable in the trend of image transmission technology, no matter whether the size is large or small, the function is more or less, the transmission specification will continue to increase, and the transmission volume and speed will be infinitely enlarged. Under such conditions. The foreseeable measurement market will benefit from this wave of demand and become the largest witness and profiter of LCD driver ICs (whether 8bit, 10bit or 14bit).
(Editor: Wen Jing) 
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-- Interview with George Rose, General Manager, Teradyne LCD Driver IC Business Unit