Projection type image display apparatus and image display system
First Claim
Patent Images
1. A projection type image display apparatus comprising:
- an electroluminescence element having a plurality of pixels that can be individually modulated, in which two-dimensionally arranged pixels generate excitons by injecting charge carriers into a luminescent layer and generate and emit light by recombination of the excitons; and
a projection optical system that projects light emitted from the pixels in the electroluminescence element onto a target object, wherein the projection optical system has a characteristic non-telecentric toward the electroluminescence element as a luminous object with principal rays which pass through the median point of an aperture pupil that captures light diffusively emitted from the pixels converging when seen from the electroluminescence element, at a pixel position where the object height on the electroluminescence element from an optical axis of the projection optical system reaches a maximum.
1 Assignment
0 Petitions
Accused Products
Abstract
A projection type image display apparatus includes a projection optical system the projects light emitted from an organic EL element onto a target object. The projection optical system has a characteristic non-telecentric toward the EL element with principal rays which pass through the median point of the aperture pupil that captures light diffusively emitted from the EL element converging when seen from the EL element at a pixel position where the object height on the EL element from the optical axis of the projection optical system reaches a maximum.
-
Citations
24 Claims
-
1. A projection type image display apparatus comprising:
-
an electroluminescence element having a plurality of pixels that can be individually modulated, in which two-dimensionally arranged pixels generate excitons by injecting charge carriers into a luminescent layer and generate and emit light by recombination of the excitons; and
a projection optical system that projects light emitted from the pixels in the electroluminescence element onto a target object, wherein the projection optical system has a characteristic non-telecentric toward the electroluminescence element as a luminous object with principal rays which pass through the median point of an aperture pupil that captures light diffusively emitted from the pixels converging when seen from the electroluminescence element, at a pixel position where the object height on the electroluminescence element from an optical axis of the projection optical system reaches a maximum. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
-
9. A projection type image display apparatus comprising:
-
an electroluminescence element having a plurality of pixels that can be individually modulated, in which two-dimensionally arranged modulation pixels generate excitons by injecting charge carriers into a luminescent layer and generate and emit light by recombination of the excitons; and
a projection optical system that projects light emitted from the pixels in the electroluminescence element onto a target object and displays an image, wherein the luminescent layer of the electroluminescence element has a film structure based on the structure in which the luminescent layer is sandwiched between one or more charge carrier transfer layers for supplying electrons and holes to the luminescent layer, and a light emission direction control element having two-dimensionally arranged microstructures having a pyramid-shaped pentahedron as a refractive index boundary is placed in contact on an emission side of the film structure. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
-
-
20. A projection type image display apparatus comprising:
-
three electroluminescence elements each having a plurality of pixels that can be individually modulated and emitting three primary color light beams respectively, in which two-dimensionally arranged modulation pixels generate excitons by injecting charge carriers into a luminescent layer and generate and emit light by recombination of the excitons;
a cross dichroic wavelength-combining element that combines the light beams emitted from the three electroluminescence elements using dichroic films in a crossing arrangement; and
a projection optical system that projects the light combined by the cross dichroic wavelength-combining element onto a target object and displays an additive color mixture image, wherein the cross dichroic wavelength-combining element has a pyramid shape with six or more external surfaces, an acute angle formed between the dichroic film and an optical axis of the projection optical system is greater than 45°
,the cross dichroic wavelength-combining element has four surfaces perpendicular to three optical axes including the optical axis of the projection optical system which is deflected by the dichroic films, and three of the four surfaces are arranged substantially in parallel to modulation emission planes of the three electroluminescence elements and the combined light is emerged from the remaining one surface toward the projection optical system. - View Dependent Claims (21, 22, 23, 24)
-
Specification