Printing image frames corresponding to motion pictures

• US 20070182809A1
• Filed: 02/07/2006
• Published: 08/09/2007
• Est. Priority Date: 02/07/2006
• Status: Abandoned Application

• Current Assignee: Eastman Kodak Company
• Original Assignee: Eastman Kodak Company
• Inventors: Druzynski, Richard, Oehlbeck, Martin, O'Toole, Terrence, Palum, Russell, Yarid, Rockwell
• Application Number:
  US11/348,811
• Publication Number:
  US 20070182809A1
• Time in Patent Office: Days
• US Class Current: 347/238
• CPC Class Codes: B41J 2/45 using light-emitting diode [LED] or laser arrays
• CPC Class Codes: G03B 33/00 Colour photography, other than mere exposure or projection of a colour film printing apparatus G03B27/00; stereoscopic colour photography G03B35/00
• CPC Class Codes: H04N 5/765 Interface circuits between an apparatus for recording and another apparatus
• CPC Class Codes: H04N 5/87 Producing a motion picture film from a television signal standard conversion therefor H04N7/0112
• CPC Class Codes: H10K 50/852 comprising a resonant cavity structure, e.g. Bragg reflector pair
• CPC Class Codes: H10K 59/876 comprising a resonant cavity structure, e.g. Bragg reflector pair

Abstract

A method of printing a plurality of image frames from a digital image file of a motion picture sequence to a photosensitive medium comprising one or more light-sensitive recording layers, comprising the steps of: a) providing at least one two-dimensional OLED modulator, wherein the OLED modulator comprises an array of independently activatable microcavity OLED elements, each OLED element defining an optical cavity for reducing the angle of emission of light from the OLED element and tuning the light output of the OLED element to a limited spectral band emmitance range wavelength matched to the spectral sensitivity of a light-sensitive recording layer of the photosensitive medium; b) responding to the digital image file to independently activate the OLED elements in the two-dimensional OLED modulator to provide visual images corresponding to each frame of the motion picture sequence; and c) moving the photosensitive medium past the visual images to illuminate different portions the medium to record the motion picture sequence on the medium.

Claims

1. A method of printing a plurality of image frames from a digital image file of a motion picture sequence to a photosensitive medium comprising one or more light-sensitive recording layers, comprising the steps of:

a) providing at least one two-dimensional OLED modulator, wherein the OLED modulator comprises an array of independently activatable microcavity OLED elements, each OLED element defining an optical cavity for reducing the angle of emission of light from the OLED element and tuning the light output of the OLED element to a limited spectral band emmitance range wavelength matched to the spectral sensitivity of a light-sensitive recording layer of the photosensitive medium;

b) responding to the digital image file to independently activate the OLED elements in the two-dimensional OLED modulator to provide visual images corresponding to each frame of the motion picture sequence; and

c) moving the photosensitive medium past the visual images to illuminate different portions the medium to record the motion picture sequence on the medium.

2. The method of claim 1, further comprising magnifying or de-magnifying and focusing the visual images on an image plane of the photosensitive medium.

3. The method of claim 2, wherein the microcavity OLED elements have an output divergence angle matched to optical collection and focusing components used to magnify or de-magnify and focus the visual images on the image plane.

4. The method of claim 1, further comprising responding to the digital image file to manipulate the digital information contained therein to achieve desired effects in the image to be printed to the photosensitive medium.

5. The method of claim 4, wherein image processing steps performed on the digital image file include one or more of color correction, aperture correction, size, tone scale, uniformity, sharpening, file format conversion or combinations thereof.

6. The method of claim 1, wherein the at least one two-dimensional OLED modulator is a monochrome two-dimensional OLED modulator.

7. The method of claim 6, wherein the digital image file comprises a digital image file of a color motion picture sequence, the photosensitive medium comprises two or more light-sensitive recording layers sensitized to different wavelengths, and two or more monochrome two-dimensional OLED modulators comprising arrays of independently activatable microcavity OLED elements having light outputs tuned to wavelengths matched to the spectral sensitivities of the light-sensitive recording layers of the photosensitive medium are provided,

and further comprising combining visual monochromatic images provided from the two or more monochromatic two-dimensional OLED modulators in response to the digital image file to create visual color images corresponding to each frame of the color motion picture sequence, and moving the photosensitive medium past the visual color images to illuminate different portions of the medium to record the color motion picture sequence on the medium.

8. The method of claim 7, wherein the photosensitive medium comprises red, green and blue light-sensitive recording layers, and red, green and blue monochrome two-dimensional OLED modulators comprising arrays of independently activatable microcavity OLED elements having red, green and blue light outputs tuned to wavelengths matched to the spectral sensitivities of the light-sensitive recording layers of the photosensitive medium are provided.

9. The method of claim 6, wherein the digital image file comprises a digital image file of a color motion picture sequence, the photosensitive medium comprises two or more light-sensitive recording layers sensitized to different wavelengths, and two or more monochrome two-dimensional OLED modulators comprising arrays of independently activatable microcavity OLED elements having light outputs tuned to wavelengths matched to the spectral sensitivities of the light-sensitive recording layers of the photosensitive medium are provided,

wherein the OLED modulators are arranged sequentially along a photosensitive medium transport path and further comprising sequentially registrating and recording visual monochromatic images provided from the two or more monochromatic two-dimensional OLED modulators on the photosensitive medium in response to the digital image file to record the color motion picture sequence on the medium.

10. The method of claim 9, wherein the photosensitive medium comprises red, green and blue light-sensitive recording layers, and red, green and blue monochrome two-dimensional OLED modulators comprising arrays of independently activatable microcavity OLED elements having red, green and blue light outputs tuned to wavelengths matched to the spectral sensitivities of the light-sensitive recording layers of the photosensitive medium are provided.

11. The method of claim 6, wherein the digital image file comprises a digital image file of a monochromatic motion picture sequence, and a single monochrome two-dimensional OLED modulator is used to provide visual monochromatic images in response to the digital image file to create visual color images corresponding to each frame of the motion picture sequence.

12. The method of claim 1, wherein the digital image file comprises a digital image file of a color motion picture sequence, the photosensitive medium comprises two or more light-sensitive recording layers sensitized to different wavelengths, and the OLED modulator is a multi-color OLED modulator comprising an array of independently activatable microcavity OLED elements including different elements tuned to match the different spectral sensitivities of the two or more light-sensitive recording layers of the photosensitive medium;

and the multi-color OLED modulator is used in response to the digital image file to create visual color images corresponding to each frame of the motion picture sequence.

13. The method of claim 12, wherein the photosensitive medium comprises red, green and blue light-sensitive recording layers, and the multi-color OLED modulator comprises an array of independently activatable red, green and blue microcavity OLED elements tuned to match the red, green and blue spectral sensitivities of the light-sensitive recording layers of the photosensitive medium.

14. The method of claim 1, wherein the microcavity OLED elements comprise first and second electrode layers and at least one light-emitting organic layer disposed between the first and second electrode layers, wherein one of the electrode layers is semitransparent and reflective and the other one is essentially opaque and reflective.

15. The method of claim 14, wherein the first and second electrode layers are metallic.

16. The method of claim 15, wherein metallic electrodes include metals or metal alloys selected from the group including Ag, Au, Al, and Mg.

19. The apparatus of claim 1, wherein the microcavity OLED elements comprise first and second electrode layers and at least one light-emitting organic layer disposed between the first and second electrode layers, wherein one of the electrode layers is semitransparent and reflective and the other one is essentially opaque and reflective.

20. The apparatus of claim 19, wherein the first and second electrode layers are metallic.

17. An apparatus for printing a plurality of image frames from a digital image file of a motion picture sequence to a photosensitive medium comprising one or more light-sensitive recording layers, comprising:

a) at least one two-dimensional OLED modulator, wherein the OLED modulator comprises an array of independently activatable microcavity OLED elements, each OLED element defining an optical cavity for reducing the angle of emission of light from the OLED element and tuning the light output of the OLED element to a limited spectral band emmitance range wavelength;

b) means for receiving and storing a digital image file of a motion picture sequence;

c) means for responding to the digital image file to independently activate the OLED elements in the two-dimensional OLED modulator to provide visual images corresponding to each frame of the motion picture sequence; and

d) means for moving a photosensitive medium past the visual images to illuminate different portions the medium to record the motion picture sequence on the medium.

18. The apparatus of claim 17, further comprising optics for magnifying or de-magnifying and focusing the visual images on an image plane of the photosensitive medium.