Display device, electronic apparatus, and method of driving display device
A display device includes an image display panel and a control unit that outputs an output signal to the image display panel and causes an image to be displayed. The control unit includes an input signal acquisition unit that acquires a correction input signal including a control input signal in which a part of data is input signal data including information of an input signal value for causing a pixel to display a predetermined color, and another part of data is a display control code, a processing content determination unit that determine processing content for processing the input signal data to generate an output signal value of the output signal based on the display control code, and an output signal generation unit that generates the output signal based on the processing content determined by the processing content determination unit and the input signal data.
1. A display device comprising:
an image display panel in which a plurality of pixels is arranged in a matrix manner; and
a control unit configured to output an output signal to the image display panel to display an image,
the control unit including
an input signal acquisition unit configured to acquire a correction input signal including a control input signal in which a part of data is input signal data including information of an input signal value for causing the pixel to display a predetermined color and another part of data is a display control code,
a processing content determination unit configured to determine processing content for processing the input signal data to generate an output signal value of the output signal, based on the display control code, and
an output signal generation unit configured to generate the output signal, based on the processing content determined by the processing content determination unit and the input signal data, wherein, the control input signal is a signal obtained by converting a part of the input signal data in a normal input signal into the display control code, the normal input signal including the input signal data and not including the display control code,
the input signal data of each of the pixels includes first input signal data that is a plurality of numbers of bits of data including the input signal value for causing the pixel to display a first color, second input signal data that is a plurality of numbers of bits of data including the input signal value for causing the pixel to display a second color, and third input signal data that is a plurality of numbers of bits of data including the input signal value for causing the pixel to display a third color, and
the control input signal is a signal obtained by converting a part of the numbers of bits of data of at least any of the first input signal data, the second input signal data, and the third input signal data into the display control code, and
the control input signal is a signal obtained by converting at least any of lowest bit data of the first input signal data, lowest bit data of the second input signal data, and lowest bit data of the third input signal data into the display control code.
2. The display device according to claim 1 , wherein
the input signal acquisition unit acquires the normal input signal in a normal mode, and acquires the correction input signal in a correction mode,
in the normal mode,
the output signal generation unit generates the output signal, based on the normal input signal, and
in the correction mode,
the processing determination unit determines the processing content, based on the display control code, and
the output signal generation unit generates the output signal, based on the processing content determined by the processing determination unit and the input signal data.
3. The display device according to claim 1 , wherein the processing determination unit selects the processing content from among a plurality of pieces of processing content set in advance, based on the display control code.
4. The display device according to claim 1 , wherein the correction input signal to a part of the pixels in the image display panel is the control input signal, and the correction input signal to another part of the pixels is a pixel input signal made of only the input signal data for the another part of the pixels.
5. The display device according to claim 4 , wherein the processing determination unit extracts position information of areas into which an image display area of the image display panel is divided, and area processing information that specifies the processing content for each of the areas, based on a plurality of the display control codes, and determines the processing content for each of the areas, based on the position information and the area processing information.
6. The display device according to claim 3 , wherein the correction input signal to all of the pixels in the image display panel is the control input signal,
the display control code includes pixel processing information that specifies the processing content of a corresponding pixel, and
the processing determination unit allocates the processing content to each of the pixels, based on the pixel processing information.
7. The display device according to claim 1 , wherein the control input signal is a signal obtained by converting the lowest bit data of the third input signal data into the display control code.
8. The display device according to claim 7 , wherein the third color is blue.
9. An electronic apparatus comprising:
the display device according to claim 1 ; and
an input signal output unit configured to output the correction input signal to the display device.
10. The electronic apparatus according to claim 9 , wherein the input signal output unit converts a normal input signal made of only input signal data including information of an input signal value to all of the pixels of the image display panel into the control input signal.