IMAGE PICKUP FUNCTION SOLID TYPE DISPLAY DEVICE

WIPO Patent Application WO/2005/104234

A1

An image display device includes an area sensor having an optical sensor composed of a thin film photo-diode and a read function composed of TFT which are arranged in 2-dimensional way on a transparent substrate. A display function is added to the area sensor. The pixel having the read function has an light transparent area and the thin film photo-diode and TFT are made of almost transparent materials. Accordingly, the device itself is transparent. Consequently, a user can directly read the content of a printed matter while the area sensor is placed on the printed matter. Furthermore, an image can be read only when necessary by specifying a necessary image from the device. Thus, it is possible to reduce the power consumption of the device.

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TOYOTA YOSHIAKI (JP)
FURUKAWA NAOHIRO (JP)
IKEDA HISASHI (JP)
SHIBA TAKEO (JP)
MATSUMURA MIEKO (JP)

PCT/JP2004/005539

November 03, 2005

April 19, 2004

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HITACHI LTD (JP)
TOYOTA YOSHIAKI (JP)
FURUKAWA NAOHIRO (JP)
IKEDA HISASHI (JP)
SHIBA TAKEO (JP)
MATSUMURA MIEKO (JP)

G06F3/041; G09F9/00; G09F9/30; H01L27/146; H04N1/028; H04N1/04; H04N1/19; H04N1/195; H04N5/335; (IPC1-7): H01L27/146; H04N1/19; H04N1/028; H04N5/335; G09F9/00; G09F9/30

JPH01184952A	1989-07-24
JP2002251164A	2002-09-06
JPH0117257A
JP2002176162A	2002-06-21
JPH10190944A	1998-07-21

Ogawa, Katsuo (8th Floor No.17 Arai Building 3-3, Shinkawa 1-chom, Chuo-ku Tokyo, JP)

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