Optical: systems and elements – Holographic system or element – Using a hologram as an optical element
Patent
1989-12-28
1992-10-27
Hille, Rolf
Optical: systems and elements
Holographic system or element
Using a hologram as an optical element
359 59, 359 53, G02F 113, G09G 336
Patent
active
051594765
ABSTRACT:
A liquid crystal display unit is provided wherein address lines for two mutually adjacent odd and even rows of pixels arrayed in a matrix are in common, and two vertical pixels on each column can be displayed simultaneously to enable display of an image corresponding to one frame. Capacitor forming electrode wires are supplied with a fixed potential are disposed between omitted rows of address lines eliminated due to the common use thereof, whereby the storage capacitors are of a sufficiently high value, even with a high resolution display, to enhance the image quality of the liquid crystal display unit. Since a fixed potential is applied to the capacitor forming electrode wire which forms the storage capacitor, the capacitor does not apply a load to the address line and thereby consistently insures a fast operation. As a result, improvements can be achieved relating to large image area and high resolution. Furthermore, each pixel includes a switching transistor which is composed of a thin film transistor having a high carrier mobility and is formed under a single line so that even when the on-resistance of the transistor is lowered, the aperture ratio of the pixel is still enhanced to obtain a high resolution.
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Clark S. V.
Hille Rolf
Sony Corporation
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