Liquid crystal cells – elements and systems – Particular structure – Interconnection of plural cells in parallel
Patent
1996-01-29
1997-08-26
Sikes, William L.
Liquid crystal cells, elements and systems
Particular structure
Interconnection of plural cells in parallel
G02F 11335
Patent
active
056615310
ABSTRACT:
The present invention features a tiled, substantially flat, panel display having the characteristic of visually imperceptible seams between the tiles for the intended viewing conditions, which include the perception thresholds of the human eye, the view distance, the display brightness and the level of the ambient light. The panel consists of an image source plane having spaced-apart pixels containing light-transmitting elements comprising single or multiple lightvalves. These lightvalves transmit monochromatic light, or primary color light spectra, for example, red, green and blue, in gray-scale and color displays, respectively. Each of the pixels is located along the image source plane at a uniform pitch greater than approximately 0.2 mm. Many adjacently-situated tiles are located in a plane in proximity to the image source plane. Secondary light rays can be controlled via light shields, aperture plates, masks and optical elements. The view angles of the tiled display may be further enhanced by using dispersive, optical elements such as microlens arrays. If desired, the brightness of the tiled display can be enhanced by increasing the backlight intensity or the collection of light by using optical, focusing elements such as microlens arrays.
REFERENCES:
patent: 4515440 (1985-05-01), Mosier
patent: 5106197 (1992-04-01), Ohuchida et al.
patent: 5128783 (1992-07-01), Abileah et al.
Greene Ray G.
Katyl Robert H.
Krusius J. Peter
Li Che-Yu
Seraphim Donald P.
Dudek James A.
Rainbow Displays Inc.
Sikes William L.
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