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US 6,870,523 B1Granted
Device, system and method for electronic true color display
AssigneeGenoa Color Technologies Ltd.
InventorsIlan Ben-David, Moshe Ben-Chorin
Life of this patent
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Abstract
A device, system and a method for displaying an expanded spectrum of colors. The present invention is suitable for various types of electronic display devices, such as televisions and monitor devices (“monitors”) for computational devices, for example. The present invention operates by electronic production of more than three primary colors. As previously described, the term “primary color” specifically does not include light as produced by a neutral filter. Thus, unlike background art systems and devices, the present invention is not limited to combinations of colors which are produced from only three primary colors, such as red, green and blue for example.
Claims24
A device for displaying a color image comprising:
- a light source to selectively produce light of at least four different,
- a polychromatic source;
- and
- a color rotating mechanism able to sequentially place at least four color filters, each color filter corresponding to one of said at least four primary colors, in the path of polychromatic light from said polychromatic source at a rotating rate equal to a rate of the frame frequency at which said color image to be displayed is to be refreshed, such that light of all of said at least four primary colors is produced in each rotation of said color rotating mechanism;
- and
- a controller to receive image data representing said color image in terms of said at least four primary colors and, based on said image data, to produce a light pattern corresponding to said color image by selectively controlling the path of light of said at least four primary colors,
- wherein at least one of said at least four primary colors is not an exact complementary of any of the other primary colors.
4 more elements
A system for displaying a color image, the system comprising:
- a light source to selectively produce light of at least four different non-white and non-black, primary colors, said light source comprising a polychromatic source and a color rotating mechanism able to selectively place at least four color filters, each color filter corresponding to one of said at least four primary colors, in the path of polychromatic light from said polychromatic source at a rotating rate equal to a rate of the frame frequency at which said color image to be displayed is to be refreshed, such that light of all of said at least four primary colors is produced in each rotation of said rotating mechanism;
- a converter to convert three-primary-color input data representing said color image into converted image data representing said color image in terms of said at least four primary colors;
- and
- a controller to produce a light pattern corresponding to said color image by selectively controlling the path of light of said at least four primary colors based on said converted image data,
- wherein at least one of said at least four primary colors is not an exact complementary of any of the other primary colors.
2 more elements
A method for displaying a color image comprising:
- selectively producing light of at least four different, non-white and non-black primary colors;
- converting three-primary-color input data representing said color image into converted image data representing said color image in terms of said at least four primary colors;
- and
- selectively controlling the path of light of said at least four primary colors based on said converted image data to produce a light pattern corresponding to said color image,
- wherein at least one of said at least four primary colors is not an exact complementary of any of the other primary colors, and wherein selectively producing the light of said at least four primary colors comprises selectively filtering polychromatic light using at least four color filters, each color filter corresponding to one of said at least four primary colors, at a rate equal to a rate of the frame frequency at which said color image be displayed is to be refreshed.
2 more elements
A device for projecting a color image comprising:
- a light source to sequentially produce light of at least four different, non-white and non-black, primary colors, the light source comprising a polychromatic source and at least four color filters, each color filter adapted to filter polychromatic light from said polychromatic source to produce the light of one of said at least four primary colors, and a color rotating mechanism able to sequentially place said at least four color filters in the path of polychromatic light from said polychromatic source at a rotating rate equal to a rate of the fame frequency at which said color image to be displayed is to be refreshed, such that light of all of said at least four primary colors is produced in each rotation of said color rotating mechanism;
- a controller to receive image data representing said color image in terms of said at least four primary colors and, based on said image data, to produce a light pattern corresponding to said color image by selectively controlling the path of light of said at least four primary colors, said controller comprising a spatial light modulator to sequentially modulate the light of said at least four primary colors in accordance with said image data;
- and
- at least one optical element to project said light pattern,
- wherein at least one of said at least four primary colors is not an exact complementary of any of the other primary colors.
2 more elements
A device for displaying a color image comprising:
- a light source comprising a polychromatic source and at least four color filters, each color filter adapted to filter polychromatic light from said polychromatic source to produce light of one of at least four different, non-white and non-black, primary colors, and a color rotating mechanism able to sequentially place said at least four color filters in the path of polychromatic light from said polychromatic source at a rotating rate equal to a rate of the frame frequency at which said color image to be displayed is to be refreshed, such that light of all of said at least four primary colors is produced in each rotation of said color rotating mechanism;
- and
- a controller to receive image data representing said color image in terms of said at least four primary colors and, based on said image data, to produce a light pattern corresponding to said color image by selectively controlling the path of light of said at least four primary colors,
- wherein at least one of said at least four primary colors is not an exact complementary of any of the other primary colors.
1 more element
Dependencies are inferred from the claim text.