SCREEN AND METHOD FOR MANUFACTURING THE SAME AND IMAGE DISPLAY SYSTEM

    公开(公告)号:AU2002242969A1

    公开(公告)日:2003-06-23

    申请号:AU2002242969

    申请日:2002-03-26

    Applicant: SONY CORP

    Abstract: A projection screen comprises a red-reflecting particle layer, green-reflecting particle layer and blue-reflecting particle layer sequentially stacked on a substrate. In each particle layer, particles are accumulated by eleven cycles in a regularly alignment such as close-packed structure. Diameter of red-reflecting particles is approximately 280 nm, diameter of green-reflecting particles is approximately 235 nm, and diameter of blue-reflecting particles is approximately 212 nm. Each particles layer is accumulated by self-organized technique. The substrate used here can absorb light of wavelengths other than those of red, green and blue three primary colors.

    SIGNAL PROCESSING APPARATUS AND METHOD, AND PROGRAM

    公开(公告)号:MY141449A

    公开(公告)日:2010-04-30

    申请号:MYPI20053296

    申请日:2005-07-19

    Applicant: SONY CORP

    Abstract: PROBLEM TO BE SOLVED: TO PROVIDE A SIGNAL HANDLED BY A DEVICE WITH CONFORMITY TO A PRESCRIBED SPECIFICATION FOR EXPRESSING A COLOR WITH THE COLOR GAMUT LARGER THAN A PRESCRIBED SPECIFICATION. SOLUTION: IN A PRIMARY COLOR CONVERSION UNIT (62), A FIRST COLOR AT A PRIMARY COLOR POINT WITH THE COLOR GAMUT LARGER THAN AN ORIGINAL COLOR POINT OF BT.709 IS CONVERTED TO A SECOND COLOR SIGNAL BASED ON A PRIMARY COLOR OF BT.709. IN A PHOTOELECTRIC CONVERSION UNIT (63), THE SECOND COLOR SIGNAL IS CONVERTED TO A THIRD COLOR SIGNAL ACCORDING TO CHARACTERISTICS OF PHOTOELECTRIC CONVERSION DEFINED IN A NUMERICAL RANGE LARGER THAN A NUMERICAL RANGE OF 0 TO 1.0 THAT BRIGHTNESS SIGNAL BASED ON BT. 709 AND A COLOR SIGNAL BASED ON COLOR-DIFFERENCE SIGNAL CAN TAKE. IN A COLOR SIGNAL CONVERSION UNIT (64), THE THIRD SIGNAL IS CONVERTED TO A BRIGHTNESS SIGNAL AND A COLOR DIFFERENCE SIGNAL. IN AN INTEGRATED COMPENSATION UNIT (64A), THE COLOR DIFFERENCE SIGNAL IS COMPENSATED TO A COLOR DIFFERENCE SIGNAL OF -0.57 TO 0.56 INCLUDING -0.5 TO 0.5 OF BT.709 WHICH IS EXPRESSED BY ALLOTTING IT TO AN INTEGER VALUE OF 1 TO 254 INCLUDING 16 TO 240 OF BT.709. THIS INVENTION CAN BE APPLIED TO A VIDEO CAMERA (60), FOR AN EXAMPLE.

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