HIGH BRIGHTNESS WIDE GAMUT DISPLAY

• US 20100134515A1
• Filed: 11/30/2009
• Published: 06/03/2010
• Est. Priority Date: 07/24/2002
• Status: Active Grant

• Current Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Ben-Chorin, Moshe, ROTH, Shmuel, Ben-David, Ilan
• Granted Patent: US 7,916,939 B2
• Time in Patent Office: Days
• US Class Current: 345/590
• CPC Class Codes: H04N 9/3105 for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators simultaneous projection in colour photography G03B33/10; beam splitting or combining systems per se G02B27/10

Abstract

A device to produce a color image, the device including a color filtering arrangement to produce at least four colors, each color produced by a filter on a color filtering mechanism having a relative segment size, wherein the relative segment sizes of at least two of the primary colors differ.

Claims

1-20. -20. (canceled)

21. A display device to produce a color image, the device comprising a color filtering mechanism to sequentially produce light of at least four non-white colors by transmission through at least four non-white color filters respectively, each color filter having a relative segment size, wherein the relative segment size of at least a first of said non-white color filters is greater than the relative segment size of at least a second of said non-white color filters.

22. The device of claim 21, wherein said color filtering mechanism comprises a plurality of filter segments on a color wheel.

23. The device of claim 21, further comprising a light source.

24. The device of claim 21, further comprising a spatial light modulator to produce said color image by modulating light filtered by said color filtering mechanism.

25. The display device of claim 21, wherein said at least four color filters comprise a blue color filter, a green color filter, a yellow color filter, and a red color filter, wherein the blue color filter has the greatest relative segment size, and wherein the green color filter has the smallest relative segment size.

26. The display device of claim 21, wherein said at least four color filters comprise at least five color filters.

27. The display device of claim 26, wherein said at least five color filters comprise a blue color filter, a green color filter, a yellow color filter, a red color filter, and a cyan color filter, wherein the red color filter has the greatest relative segment size, and wherein the green color filter has the smallest relative segment size.

28. The display device of claim 27, wherein said yellow color filter has greater relative segment size than each of the blue and cyan color filters.

29. The display device of claim 28, wherein said blue color filter has greater relative segment size than the cyan color filter.

30. A method of producing a color image, the method comprising sequentially transmitting light of at least four non-white colors corresponding to said color image through at least four non-white color filters respectively, each color filter having a relative segment size, wherein the relative segment size of at least a first of said non-white color filters is greater than the relative segment size of at least a second of said non-white color filters.

31. The method of claim 30, wherein sequentially transmitting light of said colors comprises sequentially filtering light of an illumination unit.

32. The method of claim 30, wherein said at least four color filters comprise a blue color filter, a green color filter, a yellow color filter, and a red color filter, wherein the blue color filter has the greatest relative segment size, and wherein the green color filter has the smallest relative segment size.

33. The method of claim 30, wherein said at least four color filters comprise at least five color filters.

34. The method of claim 33, wherein said at least five color filters comprise a blue color filter, a green color filter, a yellow color filter, a red color filter, and a cyan color filter, wherein the red color filter has the greatest relative segment size, and wherein the green color filter has the smallest relative segment size.

35. The display device of claim 34, wherein said yellow color filter has greater relative segment size than each of the blue and cyan color filters.

36. The display device of claim 35, wherein said blue color filter has greater relative segment size than the cyan color filter.