Patent ID: 11862118
Assignee: SHARP NEC DISPLAY SOLUTIONS, LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 1:
2. The display data processing device according to claim 1,
wherein the first gamma correction unit sets the first normalized brightness value corresponding to the first input gradation value in the first gamma characteristic as a power value of the first power function and a power root corresponding to the power value as the first corrected gradation value, and obtains the first corrected gradation value for the first input gradation value according to a correspondence relationship between the first input gradation value and the first corrected gradation value, and
the second gamma correction unit sets the video gain corrected gradation value to a power root of the second power function and a power value corresponding to the power root to the second normalized brightness value in the second gamma characteristic, and obtains the second corrected gradation value corresponding to the video gain corrected gradation value according to a correspondence relationship between the video gain corrected gradation value and the second corrected gradation value.