The LED sector in Taiwan generally had weaker-than-expected sales in April despite players' optimism that orders would be picking up in the second quarter. LED packagers Unity Opto Technology and Harvatek saw their April sales drop sequentially. Unity said shipments of applications for LED backlighting dipped in April amid clients' inventory adjustments. The company's April revenues declined 4.6% sequentially to NT$292 million (US$9.58 million), which nevertheless represents a 24% on-year increase. ... 閱讀全文