한국정보디스플레이학회:학술대회논문집
- 2009.10a
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- Pages.877-878
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- 2009
Flexible audible display(VizDio$^{TM}$ ) using polymer dispersed liquid crystal on film speaker
- Bae, Byeong-Taek (Thin film materials research center, KIST) ;
- Park, Dong-Hee (Thin film materials research center, KIST) ;
- Jeong, Kwang-Ho (Department of Physics, Yonsei University) ;
- Choi, Won-Kook (Thin film materials research center, KIST)
- Published : 2009.10.12
Abstract
To realize the flexible audible display (FAD), polymer dispersed liquid crystal(PDLC) is deposited on PVDF(Poly-vinylidene fluoride) film with piezoelectric property. With applied audio signal, it makes sound more than 70 dB in 700 Hz-10kHz. In case of transparency it is opaque and transmittance is less than 10% at 550nm wavelength without bias voltage. It is turned to be transparent and show transmittance of 66% with driving voltage of 60V.