UHD Projector System.
(05/01/2014)
DTI has devised a display technique that can increase the usable resolution of a microdisplay four to nine times without manufacturing additional pixels. The technique has been shown to produce usable, addressable 'virtual-pixels' in excess of the resolution present on the supporting microdisplay. The Ultra High Definition Projector has four major subsystems: (1) the light engine focuses light into a spot which is made to 'jump' between nine positions in a 3x3 array every 1/540th second, forming nine flashing light spots. Light from the spots is directed to a fly's eye lens array. Each lenslet of the fly's eye array...
Tác giả: Eichenlaub, J. B.; Lagergren, J. M.; Brundage, G. R. |
Số trang: 51 |
Lĩnh vực: CNTT |
Năm XB: 2010 |
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UHD Projector System. | Số trang: 51
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DTI has devised a display technique that can increase the usable resolution of a microdisplay four to nine times without manufacturing additional pixels. The technique has been shown to produce usable, addressable 'virtual-pixels' in excess of the resolution present on the supporting microdisplay. The Ultra High Definition Projector has four major subsystems: (1) the light engine focuses light into a spot which is made to 'jump' between nine positions in a 3x3 array every 1/540th second, forming nine flashing light spots. Light from the spots is directed to a fly's eye lens array. Each lenslet of the fly's eye array forms a microscopic image of the nine spots; (2) The optical system splits light from the flashing spot images in front of each lenslet into three color components, red, green, and blue, and sends each component to one of three Texas Instruments DMD microdisplays. Relay lenses re- image a set of nine flashing spots into each pixel of each DMD. A projection lens projects the image of the spots on the DMD onto a screen; (3)The three Texas Instruments DMDs form images by means of micromechanical mirrors that direct light toward or away from the projection lens; and (4) The interface feeds high resolution images from a computer or camera into a buffer where sub fields are read out in sequence as the light spots flash. The movement of the light spots is synchronized with the operation of the DMD, creating images made up of the light spots.
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