Display device and method for controlling display device

1. A display device comprising:

a plurality of display modules comprising a display panel to display an image and a panel driving unit to control driving of the display panel, respectively; and

a plurality of timing controllers configured to control driving of the plurality of display modules,

wherein the plurality of timing controllers are further configured to:

based on a luminance mode of the display panel being changed from a first luminance mode to a second luminance mode, adjust a size of a driving voltage applied to the display panel to correspond to the second luminance mode, adjust a configuration value with respect to the image to correspond to the adjusted size of the driving voltage, and transmit a control signal with respect to the adjusted size of the driving voltage and the adjusted configuration value to the panel driving unit,

wherein the configuration value with respect to the image is related to a color of the image displayed on the display,

wherein the configuration value with respect to the image comprises a gamma value, a timing register value, a driver integrated circuit (IC) register value and a color temperature value,

wherein the first luminance mode is a mode having a luminance of a first range and the second luminance mode is a mode having a luminance of a second range which is different from the first range,

wherein a maximum value of the second range is smaller than a minimum value of the first range,

wherein the luminance mode of the display panel is changed based on a type of the image displayed on the display panel, and

wherein the plurality of timing controllers are further configured to:

based on the luminance mode of the display panel being changed from the first luminance mode to the second luminance mode, decrease the driving voltage to correspond to the second luminance mode, and adjust the configuration value with respect to the image to correspond to the decreased size of the driving voltage, and

based on the luminance mode of the display panel being changed from the second luminance mode to the first luminance mode, increase the driving voltage to correspond to the second luminance mode, and adjust the configuration value with respect to the image to correspond to the increased size of the driving voltage.

2. The display device of claim 1 , wherein the luminance mode is changed based on information detected through a sensor.

3. The display device of claim 1 , wherein the display device comprises a plurality of cabinets, the plurality of cabinets comprising the plurality of display modules, respectively, and

wherein the plurality of timing controllers are provided in each of the plurality of cabinets to control a plurality of display modules included in each of the plurality of cabinets.

4. The display device of claim 1 , wherein the display panel comprises a plurality of light emitting elements and a plurality of pixel driving circuits to drive the plurality of light emitting elements, and are divided into a plurality of pixels arranged in a matrix form,

wherein each of the plurality of pixels comprises a red (R) sub-pixel including a red light emitting element, a green (G) sub-pixel including a green light emitting element, and a blue (B) sub-pixel including a blue light emitting element, and

wherein the plurality of pixel driving circuits are formed with respect to each of the R sub-pixel, the G sub-pixel, and B sub-pixel.

5. The display device of claim 1 , wherein the display panel is driven in a passive matrix manner according to control of the panel driving unit.

6. A method of controlling a display device comprising a plurality of display modules including a display panel to display an image and a panel driving unit to control driving of the display panel, the method comprising:

changing a luminance mode of a display panel from a first luminance mode to a second luminance mode;

adjusting a size of a driving voltage applied to the display panel to correspond to the second luminance mode;

adjusting a configuration value with respect to the image displayed on the display panel to correspond to the adjusted size of the driving voltage; and

transmitting a control signal with respect to the adjusted size of the driving voltage and the adjusted configuration value to a panel driving unit,

wherein the configuration value with respect to the image is related to a color of the image displayed on the display,

wherein the configuration value with respect to the image comprises a gamma value, a timing register value, a driver integrated circuit (IC) register value and a color temperature value,

wherein the first luminance mode is a mode having a luminance of a first range and a second luminance mode is a mode having a luminance of a second range which is different from the first range,

wherein a maximum value of the second range is smaller than a minimum value of the first range,

wherein the luminance mode of the display panel is changed based on a type of the image displayed on the display panel, and

wherein the method further comprises:

based on the luminance mode of the display panel being changed from the first luminance mode to the second luminance mode, decrease the driving voltage to correspond to the second luminance mode, and adjust the configuration value with respect to the image to correspond to the decreased size of the driving voltage, and

based on the luminance mode of the display panel being changed from the second luminance mode to the first luminance mode, increase the driving voltage to correspond to the second luminance mode, and adjust the configuration value with respect to the image to correspond to the increased size of the driving voltage.

7. The method of claim 6 , wherein the luminance mode is changed based on information detected through a sensor.

8. The method of claim 6 , wherein the display panel comprises a plurality of light emitting elements and a plurality of pixel driving circuits to drive the plurality of light emitting elements, and are divided into a plurality of pixels arranged in a matrix form,

wherein each of the plurality of pixels comprises a red (R) sub-pixel including a red light emitting element, a green (G) sub-pixel including a green light emitting element, and a blue (B) sub-pixel including a blue light emitting element, and

wherein the plurality of pixel driving circuits are formed with respect to each of the R sub-pixel, the G sub-pixel, and B sub-pixel.

9. The method of claim 6 , wherein the display panel is driven in a passive matrix manner according to control of the panel driving unit.