Mass-Producible Polydimethylsiloxane (PDMS) Frontlight Unit (FLU) for Reflective Displays

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A new frontlight unit (FLU) that consists of a single-body light-guide plate (LGP) with cylindrical microstructures has been proposed as a light source for reflective displays. Owing to the material properties of polydimethylsiloxane (PDMS), the proposed FLU shows high transparency and flexibility. In order to fabricate the FLU with mass production-friendly processes, simple 3-D micromachining methods were developed using thick photoresist lithography and metal electroplating. Compared with commercial FLU products, the fabricated 6-in PDMS FLU showed good optical performance with an average luminance of 5.58 nit (cd/m(2)) and uniformity (minimum luminance divided by maximum luminance from nine positions) of 53% using four LEDs. The proposed FLU can be utilized as a built-in light source for diverse reflective displays applications.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2011-09
Language
English
Article Type
Article
Keywords

LIQUID-CRYSTAL DISPLAY; ELECTROCHROMIC DISPLAY; INK

Citation

JOURNAL OF DISPLAY TECHNOLOGY, v.7, no.9, pp.526 - 531

ISSN
1551-319X
URI
http://hdl.handle.net/10203/96058
Appears in Collection
EE-Journal Papers(저널논문)
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