`
`1. Adisplay apparatus comprising:
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`an electro-optical transfer function (EOTF) converter that receives a video signal
`
`having a first luminance range and performs EOTF conversion on the video signal to obtain
`
`a first luminance value;
`
`a luminance converter, which is provided for converting the video signal into a pseudo
`
`High Dynamic Range signal having a second luminance range, a maximum value of the
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`second luminance range being smaller than a maximum valueof the first luminance range,
`
`the luminance converter that converts the first luminance value into a second luminance
`
`10
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`value within the second luminance range, the maximum value of the second luminance
`
`range being larger than a maximum value of a luminance of a Standard Dynamic Range
`
`(SDR) signal, and the maximum luminance value of the SDR signal being 100 nit; and
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`a display that displays the pseudo High Dynamic Range signal having the second
`
`luminance range based on the second luminancevalue,
`
`15
`
`wherein the maximum value of the second luminance range is a maximum possible
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`display peak luminance (DPL) that the display is capable of displaying, and is greater than
`
`the maximum luminance value of the SDR signal,
`
`wherein the luminance converter performs conversionofthe first luminance value into
`
`the second luminance value, based on characteristic information on a characteristic of the
`
`20
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`display apparatus,
`
`wherein the luminance converter performs conversionofthe first luminance value into
`
`the second luminance value, based on content luminance information of the video signal,
`
`and
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`the characteristic information indicates one of the display peak luminance (DPL)
`
`25
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`displayable by the display, a display mode of the display, and an input-output characteristic
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`supportedby the display.
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`39
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`
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