Display device
There is provided a display device including an input unit configured to connect an external device to a serial peripheral interface (SPI) through a plurality of connection lines, a switching unit configured to connect the input unit and a flash memory of a driving board to the SPI, a data register configured to output connection setting data for determining a connection state of the switching unit, and a timing controller configured to output a control signal for determining the connection setting data according to an input of a write enable line among the plurality of connection lines.
1. A display device comprising:
an input unit configured to connect an external device to a serial peripheral interface (SPI) through a plurality of connection lines;
a switching unit configured to connect the input unit and a flash memory of a driving board to the SPI;
a data register configured to output connection setting data for determining a connection state of the switching unit; and
a timing controller configured to output a control signal for determining the connection setting data according to an input of a write enable (write EN) line among the plurality of connection lines,
wherein the flash memory is configured to store unevenness correction data of each of a plurality of pixels of the display device.
2. The display device of claim 1 , further comprising a converter configured to generate connection setting data through an inter-integrated circuit (I2C) interface by receiving the control signal from the timing controller.
3. The display device of claim 1 , wherein the switching unit comprises:
a first switch circuit configured to selectively connect the timing controller and the flash memory to each other; and
a second switch circuit configured to selectively connect the flash memory and the input unit to each other.
4. The display device of claim 3 , wherein, when the input of the write EN line is at a logic high, the first switch circuit is activated, and the second switch circuit is deactivated.
5. The display device of claim 3 , wherein, when the input of the write EN line is at a logic low, the second switch circuit is activated, and the first switch circuit is deactivated.
6. The display device of claim 3 , wherein, when the input of the write EN line is at a logic high, the connection setting data comprises data for connecting the first switch circuit.
7. The display device of claim 3 , wherein, when the input of the write EN line is at a logic low, the connection setting data comprises data for connecting the second switch circuit.
8. A method for connecting a control circuit and source circuit of a display device to each other, the method comprising:
connecting, by an input unit, an external device to a serial peripheral interface (SPI) through a plurality of connection lines;
connecting, by a switching unit, the input unit and a flash memory of a driving board to the SPI;
outputting, by a data register, connection setting data for determining a connection state of the switching unit; and
outputting, by a timing controller, a control signal for determining the connection setting data according to an input of a write enable (write EN) line among the plurality of connection lines,
wherein the flash memory is configured to store unevenness correction data of each of a plurality of pixels of the display device.
9. A system for connecting a control circuit and source circuit of a display device to each other, the system comprising means for:
connecting an external device to a serial peripheral interface (SPI) through a plurality of connection lines;
connecting an input unit and a flash memory of a driving board to the SPI through a switching unit;
outputting connection setting data for determining a connection state of the switching unit; and
outputting a control signal for determining the connection setting data according to an input of a write enable (write EN) line among the plurality of connection lines,
wherein the flash memory is configured to store unevenness correction data of each of a plurality of pixels of the display device.