Rendering an image pixel in a composite display

• US 8,319,703 B2
• Filed: 10/02/2007
• Issued: 11/27/2012
• Est. Priority Date: 06/28/2007
• Status: Expired due to Fees

• Current Assignee: Snaptrack Incorporated (Qualcomm, Inc.)
• Original Assignee: Qualcomm MEMS Technologies Incorporated (Qualcomm, Inc.)
• Inventors: Chui, Clarence
• Primary Examiner(s): Shalwala, Bipin
• Assistant Examiner(s): Lubit, Ryan A
• Application Number:
  US11/906,774
• Publication Number:
  US 20090002290A1
• Time in Patent Office: 1,883 Days
• Field of Search: 345 30- 48, 345 82- 87, 345690-699
• US Class Current: 345/31
• CPC Class Codes: G09F 19/12 using special optical effects
• CPC Class Codes: G09F 9/33 being semiconductor devices, e.g. diodes
• CPC Class Codes: G09F 9/37 being movable elements G09F9/302 takes precedence
• CPC Class Codes: G09G 2300/026 Video wall, i.e. juxtaposition of a plurality of screens to create a display screen of bigger dimensions
• CPC Class Codes: G09G 3/005 forming an image using a quickly moving array of imaging elements, causing the human eye to perceive an image which has a larger resolution than the array, e.g. an image on a cylinder formed by a rotating line of LEDs parallel to the axis of rotation
• CPC Class Codes: G09G 3/32 semiconductive, e.g. using light-emitting diodes [LED]

Abstract

Rendering an image pixel in a composite display is disclosed. In some embodiments, an image pixel is mapped to a plurality of temporal pixels, and the image pixel is rendered in a composite display using at least a subset of the plurality of temporal pixels to which it is mapped, with the intensity of the image pixel spread across the subset of temporal pixels.

Claims

1. A method comprising:

mapping at least one image pixel to at least two of a plurality of temporal pixels; and

rendering, with the plurality of temporal pixels, a plurality of image pixels, wherein;

the first paddle includes a first plurality of pixel elements and is configured to rotate around a first axis such that the first plurality of pixel elements sweeps out a first planar area orthogonal to the first axis;

the second paddle includes a second plurality of pixel elements and is configured to rotate around a second axis such that the second plurality of pixel elements sweeps out a second planar area orthogonal to the second axis, the first planar area and the second planar area overlapping portion and first and second non-overlapping portions, and the first axis being substantially parallel to the second axis;

each temporal pixel corresponds to a pixel element of the first paddle or the second paddle at a given sweep location; and

an intensity of the at least one image pixel, based on an image to be displayed, is achieved by spreading out the intensity across the at least two temporal pixels.

2. The method of claim 1, wherein the at least one image pixel is included in an image being rendered in a composite display by the plurality of temporal pixels, including the at least two temporal pixels.

3. The method of claim 1, wherein at least one of the plurality of temporal pixels is a redundant temporal pixel.

4. The method of claim 1, wherein spreading out the intensity across the at least two temporal pixels includes dividing the intensity substantially equally across the at least two temporal pixels.

5. The method of claim 1, wherein spreading out the intensity across the at least two temporal pixels includes dividing the intensity unequally across the at least two temporal pixels.

6. The method of claim 1, wherein the intensity is defined by an amplitude.

7. The method of claim 1, wherein the intensity is defined by a duty cycle.

8. The method of claim 1, wherein the intensity is defined by a grayscale value.

9. The method of claim 1, wherein the at least two temporal pixels are activated so as to emit light by a driver chip that has sufficient bit depth to spread the intensity across the at least two temporal pixels.

10. The method of claim 1, further comprising creating a pixel map.

11. The method of claim 10, wherein the pixel map results from overlaying an image over a display area of a composite display.

12. A system comprising:

a pixel element control module configured to;

map at least one image pixel to at least two of a plurality of temporal pixels; and

render, with the plurality of temporal pixels, a plurality of image pixels, wherein;

the first paddle includes a first plurality of pixel elements and is configured to rotate around a first axis such that the first plurality of pixel elements sweeps out a first planar area orthogonal to the first axis;

the second paddle includes a second plurality of pixel elements and is configured to rotate around a second axis such that the second plurality of pixel elements sweeps out a second planar area orthogonal to the second axis, the first planar area and the second planar area include an overlapping portion and first and second non-overlapping portions, and the first axis being substantially parallel to the second axis;

each temporal pixel corresponds to a pixel element of the first paddle or the second paddle at a given sweep location; and

an intensity of the at least one image pixel, based on an image to be displayed, is achieved by spreading out the intensity across the at least two temporal pixels.

13. The system of claim 12, wherein the intensity is defined by one or more of an amplitude, a grey scale value, and a duty cycle.

14. The system of claim 12, wherein the at least one image pixel is included in an image being rendered in a composite display by the plurality of temporal pixels, including the at least two temporal pixels.

15. The system of claim 12, wherein at least one of the plurality of temporal pixels is a redundant temporal pixel.

16. The system of claim 12, wherein the intensity is divided substantially equally across the at least two temporal pixels.

17. The system of claim 12, wherein the intensity is defined by a grayscale value.

18. The system of claim 12, wherein the at least two temporal pixels are activated so as to emit light by a driver chip that has sufficient bit depth to spread the intensity across the at least two temporal pixels.

19. The system of claim 12, wherein the processor is further configured to create a pixel map.

20. The system of claim 19, wherein the pixel map results from overlaying an image over a display area of a composite display.

21. The system of claim 12, wherein spreading out the intensity across at least two of the plurality of pixels includes dividing the intensity unequally across the at least two temporal pixels.

22. A tangible computer readable medium wherein computer instructions are stored, the instructions operable to cause a computer to:

map at least one image pixel to at least two of a plurality of temporal pixels; and

render, with the plurality of temporal pixels, a plurality of image pixels, wherein;

the first paddle includes a first plurality of pixel elements and is configured to rotate around a first axis such that the first plurality of pixel elements sweeps out a first planar area orthogonal to the first axis;

the second paddle includes a second plurality of pixel elements and is configured to rotate around a second axis such that the second plurality of pixel elements sweeps out a second planar area orthogonal to the second axis, the first planar area and the second planar area include an overlapping portion and first and second non-overlapping portions, and the first axis being substantially parallel to the second axis;

each temporal pixel corresponds to a pixel element of the first paddle or the second paddle at a given sweep location; and

an intensity of the at least one image pixel, based on an image to be displayed, is achieved by spreading out the intensity across the at least two temporal pixels.

23. The tangible computer readable medium of claim 22, wherein the intensity is defined by at least one of an amplitude and a duty cycle.

24. The tangible computer readable medium of claim 22, wherein the intensity is divided substantially equally across the at least two temporal pixels.

25. The tangible computer readable medium of claim 22, wherein the at least one image pixel is included in an image being rendered in a composite display by the plurality of temporal pixels, including the at least two temporal pixels.

26. The tangible computer readable medium of claim 22, wherein at least one of the plurality of temporal pixels is a redundant temporal pixel.

27. The tangible computer readable medium of claim 22, wherein the intensity is defined by a grayscale value.

28. The tangible computer readable medium of claim 22, wherein the at least two temporal pixels are activated so as to emit light by a driver chip that has sufficient bit depth to spread the intensity across the at least two temporal pixels.

29. The tangible computer readable medium of claim 22, wherein the instructions are further operable to cause the computer to create a pixel map.

30. The tangible computer readable medium of claim 29, wherein the pixel map results from overlaying an image over a display area of a composite display.

31. The tangible computer readable medium of claim 22, wherein spreading out the intensity across at least two of the plurality of pixels includes dividing the intensity unequally across the at least two temporal pixels.

32. An apparatus comprising:

a first paddle including a first plurality of pixel elements and configured to rotate around a first axis such that the first plurality of pixel elements sweeps out a first planar area orthogonal to the first axis;

a second paddle including a second plurality of pixel elements and configured to rotate around a second axis such that the first plurality of pixel elements sweeps out a second planar area, orthogonal to the second axis, the first planar area and the second planar area including an overlapping portion and a first and second non-overlapping portions, and the first axis being substantially parallel to the second axis; and

a pixel element control module configured to;

map at least one image pixel to at least two of a plurality of temporal pixels; and

render with the plurality of temporal pixels, a plurality of image pixels, wherein;

each temporal pixel corresponds to a pixel element of the first paddle or the second paddle at a given sweep location; and

an intensity of the at least one image pixel, based on an image to be displayed, is achieved by spreading out the intensity across the at least two temporal pixels.

33. The apparatus of claim 32, wherein the at least one image pixel is included in an image being rendered in a composite display by the plurality of temporal pixels, including the at least two temporal pixels.

34. The apparatus of claim 32, wherein at least one of the plurality of temporal pixels is a redundant temporal pixel.

35. The apparatus of claim 32, wherein spreading out the intensity across the at least two temporal pixels includes dividing the intensity substantially equally across the at least two temporal pixels.

36. The apparatus of claim 32, wherein the intensity is defined by one or more of an amplitude, a duty cycle and a grayscale value.

37. The apparatus of claim 32, wherein at least the subset of pixel elements are activated so as to emit light by a driver chip that has sufficient bit depth to spread the intensity across the at least two temporal pixels.

38. The apparatus of claim 32, wherein the processor is further configured to create a pixel map.

39. The apparatus of claim 38, wherein the pixel map results from overlaying an image over a display area of a composite display.

40. The apparatus of claim 32, wherein spreading out the intensity across at least two of the plurality of pixels includes dividing the intensity unequally across the at least two temporal pixels.