H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 9/14 (2006.01)
Patent
CA 2113212
A white light source which is situated on one side of a transparent flat panel matrix display (LCD), is divided into its' spectral frequencies (colors) so that each of the spectral colors is directed to an assigned portion of the said flat panel matrix display surface at a minimum angle of incidence. Optical fibres or rods are positioned to the opposite face of the transparent flat panel matrix display so that their ends correspond to one or more pixels on the said flat panel matrix display surface and so that an active pixel will block the spectral source light while an inactive pixel will allow it to pass through the transparent flat panel matrix display and into the said fibre or rod. These same optical fibres or rods are divided into groups which are then subdivided into sub-groups so that a sub-group carries a single common spectral color and a group carries a complement or complete set of spectral colors. Each group of optical fibres or rods is coupled to a diffuser-attenuator that combines the spectral output of the said group and controls the total light intensity output. Each diffuser-attenuator supplies its' spectral composition of light power to a single optical fibre or rod, the output end face of which constitutes a single pixel on the high resolution color matrix display.
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