An image display device including a light emission section which emits light to an intensity adjusting section and a wavelength conversion section which change the intensity and wavelength of the emitted light. Phosphors and phosphor like materials are employed in wavelength conversion and a liquid crystal...http://www.google.com.tw/patents/US7982384?utm_source=gb-gplus-share專利 US7982384 - Image display device and light emission device