News Release from: SDK
Edited by the Electronicstalk Editorial Team on 1 March 2004

LCD reflectors aid backlight thermal management

SDK is sampling a novel high-performance aluminium reflector for crystal liquid displays for use in personal computers and television sets.

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SDK is sampling a novel high-performance aluminium reflector for crystal liquid displays for use in personal computers and television sets. The product is an extension of SDK's ST-60 aluminium alloy with high thermal diffusivity comparable to that of pure aluminium, which is used increasingly as heatsinks for plasma displays and LCDs. Specifically, the newly developed reflector is manufactured by providing proprietary white coating on ST-60 sheet.

Compared with conventional product (aluminium alloy to which white film of polyethylene terephthalate is attached), the newly developed reflector offers higher heat dissipation efficiency and light resistance, as well as reflectivity of more than 95%.

As the current trends in LCDs are toward larger display size and higher brightness and precision, the number of lamps for backlighting is increasing.

This means that the reflectors must have higher reflectivity and ensure uniform heat dissipation.

SDK's new reflector meets these requirements and can cope with high heat produced inside a backlighting unit, a problem that could shorten the life of lamps and reduce brightness.

Furthermore, the white coating SDK has introduced is capable of absorbing ultraviolet, resulting in the reduction of ultraviolet radiation toward the front of the display unit.

As coating is possible even after press working, SDK will be able to produce reflectors that are complex in shape and serve as chassis as well.

SDK will start selling the newly developed aluminium reflectors in commercial quantities in the latter half of this year.

The company is expecting to achieve sales of Y1.7 billion in 2005 from entire ST-60 series of products, including these aluminium reflectors.

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