"Good earnings results from LG Philips will be reflected in LG Electronics' earnings," said Yoo Ji Yeong, who helps manage the equivalent of US$868 million at CJ Investment Trust Management Co in Seoul. "Digital TV will also boost the shares as people expect demand for new TVs will rise."
The Kospi gained 0.5 percent, narrowing its loss this week to 1.1 percent.
The TAIEX index rose 1.1 percent, completing a 0.5 percent gain for the week.
TSMC added 2.2 percent to NT$46. The world's largest supplier of made-to-order computer chips said last month's sales increased 26 percent to a record NT$22.5 billion (US$667 million) from NT$17.8 billion a year earlier.
Chi Mei Optoelectronics surged by its daily 7 percent limit to NT$53. Sales at Taiwan's second-largest maker of flat-panel displays more than doubled last month from a year ago to NT$9.88 billion.
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