Display device, television receiver, display method, and recording medium
AssigneeSharp Kabushiki Kaisha
InventorTakashi Kanda
Life of this patent
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Abstract
An image of an HDR signal, in which deterioration in luminance due to adjustment of white balance is suppressed while variations of a color of an image of an SDR signal is suppressed, is displayed. A television (1) that displays an image is which white balance is adjusted includes a determination unit (12) that determines whether an image signal is an HDR signal or an SDR signal, and a display control unit (14) that, in a case where the determination unit determines that the image signal is the HDR signal, changes gain of at least one primary color among primary colors to a value higher than a set value.
Claims9
A display device that displays an image in which white balance is adjusted by setting a gain value of each of primary colors, the display device comprising:
- a determination unit that determines whether an image signal that has been input is a first image signal or a second image signal a possible luminance dynamic range of which is wider than that of the first image signal;
- and
- a display control unit that, in a case where the determination unit determines that the image signal is the second image signal, changes gain of at least one primary color among the primary colors to a value higher than a set value,
- wherein the display control unit changes, to a value higher than the set value, a gain value that is a gain value of at least one primary color among the primary colors and that is at a gradation value higher than a first predetermined gradation value, in the case where the determination unit determines that the image signal is the second image signal.
A display method of displaying an image on a display device that displays an image in which white balance is adjusted by setting a gain value of each of primary colors, the display method comprising:
- a determination step of determining whether an image signal that has been input is a first image signal or a second image signal that indicates an image a dynamic range of which is wider than a dynamic range of an image indicated by the first image signal;
- and
- a display control step of changing, in a case where the image signal is determined to be the second image signal at the determination step, gain of at least one primary color among the primary colors to a value higher than a set value,
- wherein the display control step changes, to a value higher than the set value, a gain value that is a gain value of at least one primary color among the primary colors and that is at a gradation value higher than a first predetermined gradation value, in the case where the determination step determines that the image signal is the second image signal.
Dependencies are inferred from the claim text.