Liquid crystal display device having photosensor at each pixel

Details Liquid crystal display device having photosensor at each pixel Liquid crystal display device having photosensor at each pixel

1993-06-02

1995-08-29

Gross, Anita Pellman

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 59, 345104, G02F 1135, G09G 128

Patent

active

054465648

ABSTRACT:
A liquid crystal display device in which TFTs and liquid crystal (LC) capacitances are connected in series between data lines and a common electrode, and photoelectric conversion elements are connected in parallel to the LC capacitances.

REFERENCES:
patent: 4577189 (1986-03-01), Adolfsson et al.
patent: 4655552 (1987-04-01), Togashi et al.
patent: 4687298 (1987-08-01), Aoki et al.
patent: 4952031 (1990-08-01), Tsunoda et al.

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