Visual display unit illumination
First Claim
Patent Images
1. A display device comprising:
- a first display screen operable to display a first image;
a second display screen operable to display a second image, wherein said first display screen overlaps said second display screen, and wherein said second image is visible through said first display screen; and
a partially transparent emissive layer disposed between said first and second display screens, wherein said partially transparent emissive layer comprises a first side and a second side, wherein light emitted from said first side is operable to illuminate said first image, and wherein light emitted from said second side is operable to illuminate said second image responsive to a reflection thereof by said second display screen.
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Abstract
A method of adapting a visual unit having a first screen (10) in a first focal plant by the addition of one or more at least partially transparent display screens (20) at least partially overlapping said first screen (10) and located in focal planes distinct from said first focal plane, characterized in that an at least partially transparent emissive layer (21) is provided between said first screen (10) and at least one said additional display screen (20).
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Citations
31 Claims
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1. A display device comprising:
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a first display screen operable to display a first image; a second display screen operable to display a second image, wherein said first display screen overlaps said second display screen, and wherein said second image is visible through said first display screen; and a partially transparent emissive layer disposed between said first and second display screens, wherein said partially transparent emissive layer comprises a first side and a second side, wherein light emitted from said first side is operable to illuminate said first image, and wherein light emitted from said second side is operable to illuminate said second image responsive to a reflection thereof by said second display screen. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A portable electronic device comprising:
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a processor; a memory; and a display device comprising; a first display screen operable to display a first image; a second display screen operable to display a second image, wherein said first display screen overlaps said second display screen, and wherein said second image is visible through said first display screen; and a partially transparent emissive layer disposed between said first and second display screens, wherein said partially transparent emissive layer comprises a first side and a second side, wherein light emitted from said first side is operable to illuminate said first image, and wherein light emitted from said second side is operable to illuminate said second image responsive to a reflection thereof by said second display screen. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A method of manufacturing a display device, said method comprising:
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placing a first display screen and a second display screen in an overlapping arrangement, wherein said first display screen is operable to display a first image, wherein said second display screen is operable to display a second image, wherein said first display screen overlaps said second display screen, and wherein said second image is visible through said first display screen; and disposing a partially transparent emissive layer between said first and second display screens, wherein said partially transparent emissive layer comprises a first side and a second side, wherein said disposing further comprises disposing said partially transparent emissive layer such that light emitted from said first side is operable to illuminate said first image, and wherein said disposing further comprises disposing said partially transparent emissive layer such that light emitted from said second side is operable to illuminate said second image responsive to a reflection thereof by said second display screen. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31)
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Specification