Display device

• US 7,733,298 B2
• Filed: 10/19/2004
• Issued: 06/08/2010
• Est. Priority Date: 10/19/2004
• Status: Active Grant

• Current Assignee: Hewlett-Packard Development Company, L.P. (HP Inc.)
• Original Assignee: Hewlett-Packard Development Company, L.P. (HP Inc.)
• Inventors: Rice, Mark A., Van Brocklin, Andrew L., Anderson, Daryl E.
• Primary Examiner(s): Dharia; Prabodh M
• Application Number:
  US10/969,401
• Publication Number:
  US 20060082874A1
• Time in Patent Office: 2,058 Days
• Field of Search: 345/82, 345/204, 345/506, 345/522, 345/519, 345/545, 345/98, 345/87, 345/89, 345/629, 345/55, 345/8, 345/158, 345/173, 345/503, 359/464, 359/478, 359/822, 359/25, 359/497, 353/63, 353/84, 353/7, 348/58, 348/312, 348/296, 348/298, 348/371, 348/14.12, 348/311, 348/338.03, 348/190, 348/203, 725/151, 710/100, 365/151, 386/38, 250/227.14, 257/347, 257/14, 342/59, 180/273, 358/3.28, 380/230, 600/478, 600/431, 382/128, 382/199
• US Class Current: 345/55
• CPC Class Codes: G09F 9/302 characterised by the form or geometrical disposition of the individual elements
• CPC Class Codes: G09G 2360/142 the light being detected by light detection means within each pixel
• CPC Class Codes: G09G 2360/148 the light being detected by light detection means within each pixel
• CPC Class Codes: G09G 3/02 by tracing or scanning a light beam on a screen

Abstract

In various embodiments, a display device can include a number of pixel cells and a number of receptor cells. Each receptor cell can be coupled to a group of pixel cells within the number of pixel cells, and each receptor cell can receive encoded pixel data and decode the encoded pixel data.

Claims

1. A display system, comprising:

a display device including;

a number of pixel cells, wherein each of the pixel cells includes a light source; and

a number of receptor cells, wherein each receptor cell is coupled to a group of pixel cells within the number of pixel cells; and

a transmitter configured to wirelessly send pixel data as an optical stream individually to each of the receptor cells, wherein each receptor cell is configured to individually receive the pixel data from the transmitter and to convey the pixel data to the group of pixel cells to which the receptor cell is coupled to cause the light sources of the pixel cells to be selectively activated.

2. The display system of claim 1, wherein the group of pixel cells includes a column of pixel cells.

3. The display system of claim 2, wherein one of the number of receptor cells is positioned at a top of the column of pixel cells to form a pixel array.

4. The display system of claim 3, wherein a number of pixel arrays are positioned next to each other to form a display on the display device.

5. The display system of claim 1, wherein the pixel data includes data to activate each pixel cell in the number of pixel cells.

6. The display system of claim 1, wherein the pixel data includes pulse coded data.

7. The display system of claim 6, wherein the pulse coded data includes a packet of data for providing a pixel array with one display frame of data.

8. The display system of claim 1, wherein the pixel data includes data to selectively activate each pixel cell in the group of pixel cells.

9. The display system of claim 1, including a mirror having a number of facets, wherein each facet of the mirror directs one display frame of data to the number of receptor cells.

10. The display system of claim 9, wherein the receptor cells are oriented at an angle relative to the pixel cells.

11. The display system of claim 10, wherein the receptor cells include a portion oriented at an angle relative to the pixel cells.

12. The display system of claim 1, further comprising:

a mirror for reflecting the pixel data sent from the transmitter toward the number of receptor cells, wherein the mirror is configured to move the optical stream sent from the transmitter to direct the optical stream to individual receptor cells.

13. The display system of claim 12, wherein the transmitter includes a laser for sending the pixel data to the number of the receptor cells.

14. The display system of claim 13, wherein the laser is positioned external to the display device.

15. The display system of claim 14, wherein the transmitter includes a number of diode lasers for sending the pixel data to the number of receptor cells.

16. The display system of claim 12, wherein the mirror is positioned external to the display device.

17. The display system of claim 12, wherein the receptor cells are aligned with each other in one dimension and oriented at an angle relative to the pixel cells.

18. The display system of claim 17, wherein the receptor cells are oriented at a 90 degree angle in one dimension.

19. The display system of claim 18, wherein the transmitter is positioned to transmit a stream of pixel data toward the receptor cells, and wherein the transmitter is positioned such that the stream is generally parallel relative to the pixel cells in one dimension.

20. The display system of claim 18, wherein the transmitter is positioned below the receptor cells and behind the pixels cells.

21. The display system of claim 12, wherein the transmitter is positioned within the display device.

22. The display system of claim 1, wherein the display device is an optically addressable display.

23. The display system of claim 1, wherein at least one of the number of receptor cells is configured to receive encoded pixel data in the form of multiple streams of pixel data received in parallel.

24. The display system of claim 23, wherein the at least one of the number of receptor cells is configured to decode the encoded pixel data and to convey the decoded pixel data to the group of pixel cells to which the at least one of the number of receptor cells is coupled.

25. The display system of claim 1, wherein the display device is configured to receive pixel data in parallel with a first receptor cell and a second receptor cell of the number of receptor cells.

26. The display system of claim 1, wherein each pixel cell includes a number of shift registers for holding pixel data.

27. The display system of claim 1, wherein each receptor cell includes computer executable instructions for selecting which pixel cell to send pixel data.

28. The display system of claim 1, wherein the display device further comprises circuitry coupling groups of pixel cells with respective receptor cells, wherein the receptor cells are configured to receive encoded data sent from a transmitter, to decode the encoded data and to convey the decoded data to the respective groups of pixel cells to activate the pixel cells in the groups of pixel cells.

29. The display system of claim 28, wherein each packet of encoded data includes data to activate pixel cells in an array.

30. The display system of claim 28, wherein each of the receptor cells includes a receptor diode for receiving the encoded data and circuitry for decoding the encoded data and conveying decoded data to a number of pixel cells within the group of pixel cells.

31. The display system of claim 28, wherein each pixel cell includes a light emitter and circuitry for receiving the decoded data and activating the light emitter based on the decoded data.

32. The display system of claim 28, wherein the receptor cells are oriented at an angle relative to the pixel cells.

33. The display system of claim 21, wherein the receptor cells include a portion oriented at an angle relative to the pixel cells.

34. The display system of claim 28, wherein at least one of the number of receptor cells is configured to receive encoded pixel data in the form of multiple streams of pixel data received in parallel.

35. The display system of claim 28, wherein the display device is configured to receive pixel data in parallel with a first receptor cell and a second receptor cell of the number of receptor cells.

36. The display system of claim 28, wherein each pixel cell includes a number of shift registers for holding pixel data.

37. The display system of claim 28, wherein each receptor cell includes computer executable instructions for selecting which pixel cell to send pixel data.

38. The display system of claim 1, wherein each receptor cell includes a configuration to receive encoded pixel data including location, color, and intensity pixel data, wherein each receptor cell includes a configuration to decode the encoded pixel data, and wherein each receptor cell is configured to convey the decoded color and intensity pixel data to the group of pixel cells.

39. The display system of claim 38, wherein each receptor cell includes a configuration to convey the decoded color and intensity pixel data to the group of pixel cells based upon the decoded location pixel data.

40. The display system of claim 38, wherein the group of pixel cells includes a column of pixel cells.

41. The display system of claim 40, wherein one of the number of receptor cells is positioned at a top of the column of pixel cells to form a pixel array.

42. The display system of claim 40, wherein a number of pixel arrays are positioned next to each other to form a display on the display device.

43. The display system of claim 38, wherein the pixel data includes data to activate each pixel cell in the number of pixel cells.

44. The display system of claim 38, wherein the pixel data includes pulse coded data.

45. The display system of claim 44, wherein the pulse coded data includes a packet of data for providing a pixel array with one display frame of data.

46. The display system of claim 38, wherein the pixel data includes data to activate each pixel cell in the group of pixel cells.

47. The display system of claim 38, including a mirror having a number of facets, wherein each facet of the mirror directs one display frame of data to the number of receptor cells.

48. A method for forming an image on a display device having a number pixel cells and a number of receptor cells, wherein each receptor cell is coupled to a group of pixel cells, said method comprising:

wirelessly sending encoded pixel data as an optical stream individually to each of the receptor cells from a transmitter;

in the receptor cells,

individually receiving the encoded pixel data;

decoding the encoded pixel data with circuitry included within each receptor cell; and

transmitting the decoded pixel data to the group of pixel cells to which the receptor cells are respectively coupled, wherein the pixel cells are configured to selectively activate respective light sources based upon information contained in the decoded pixel data.

49. The method of claim 48, wherein transmitting the decoded pixel data further comprises transmitting a packet of data to a number of receptor cells that are coupled to the receptor cell.

50. The method of claim 48, further including activating a light source of each pixel cell based on the decoded data.

51. The method of claim 48, wherein the data includes data representing one full display frame of data on a display device.

52. The method of claim 48, wherein transmitting the decoded data to the group of pixel cells includes transmitting the decoded data to a number of shift registers within each pixel cell.

53. The method of claim 48, wherein receiving encoded data in a receptor cell of a pixel array includes receiving encoded data in the form of multiple streams of data received in parallel.

54. The method of claim 48, wherein receiving encoded data in a receptor cell of a pixel array includes receiving data in parallel with a first receptor cell and a second receptor cell.

55. The method of claim 48, wherein receiving encoded data further comprises receiving encoded data including color, and intensity pixel data in the receptor cell.

56. The method of claim 48, wherein each of the receptor cells include circuitry for decoding the pixel data, and wherein receiving encoded data further comprises receiving the encoded pixel data in the form of multiple streams of pixel data and decoding the pixel data with the decoding circuitry included within each receptor cell.