Display device using image data from a scaler and method for controlling same
Disclosed is a display device including a display module, a scaler that outputs image data in a pre-defined format by processing an image signal input through an input source, and a timing controller that controls an operation of the display module based on the image data output from the scaler. The pre-defined format includes an image frame period in which the image data is included and a blank period in which the image data is not included. The scaler outputs a panel on signal for turning-on the display module by using the blank period, and the timing controller turns on the display module based on the panel on signal included in the blank period being identified.
1 . A display device, comprising:
a display module;
a scaler configured to output image data in a pre-defined format by processing an image signal input through an input source; and
a timing controller configured to control an operation of the display module based on the image data output from the scaler,
wherein the pre-defined format includes an image frame period in which the image data is included and a blank period in which the image data is not included,
wherein the scaler is configured to output a panel on signal for turning-on the display module by using the blank period, and output the image data using an image frame period after a blank period included with the panel on signal, and
wherein the timing controller is configured to turn-on the display module based on the panel on signal included in the blank period being identified, and output the image data to the display module from an image frame period after at least one image frame period from which black image data is output.
2 . The display device of claim 1 , wherein the timing controller is configured to output the black image data from the at least one image frame period to the display module after turning-on the display module based on the panel on signal.
3 . The display device of claim 1 , wherein the display module comprises:
a display panel;
a data driver configured to provide the image data to the display panel; and
a power integrated circuit (IC) configured to supply power to the display panel and the data driver, and
the timing controller configured to output, based on the panel on signal being identified, a control signal for turning-on the power IC to the power IC.
4 . The display device of claim 3 , wherein the scaler is configured to output, based on a user command for turning-on the display module being received while the display device is operating in a standby mode, the panel on signal for turning-on the display module using the blank period, and
wherein the scaler and the timing controller are in a turned-on state and the power IC is in a turned-off state in the standby mode.
5 . The display device of claim 1 , comprising a modular display panel that includes a plurality of display modules arranged in a matrix form,
wherein the display module is any one display module from among the plurality of display modules.
6 . A method for controlling a display device comprising a display module, a scaler that outputs image data in a pre-defined format by processing an image signal input through an input source, and a timing controller, the method comprising:
outputting, by the scaler, a panel on signal for turning-on the display module; and
turning-on, by the timing controller, the display module based on the panel on signal being identified,
wherein the pre-defined format includes an image frame period in which the image data is included and a blank period in which the image data is not included,
wherein the scaler outputs the panel on signal using the blank period, and
wherein the method further comprises:
outputting, by the scaler, the image data using an image frame period after a blank period included with the panel on signal; and
outputting, by the timing controller, the image data from an image frame period after at least one image frame period from which black image data is output to the display module.
7 . The method of claim 6 , comprising outputting, by the timing controller, the black image data from the at least one image frame period to the display module after turning-on the display module based on the panel on signal.
8 . The method of claim 6 , wherein the display module comprises a display panel, a data driver for providing the image data to the display panel, and a power integrated circuit (IC) for supplying power to the display panel and the data driver, and
wherein the turning-on the display module comprises outputting, based on the panel on signal being identified, a control signal for turning on the power IC by the timing controller to the power IC.
9 . The method of claim 8 , wherein the outputting the panel on signal comprises:
receiving a user command for turning-on the display module while the display device is operating in a standby mode; and
outputting the panel on signal for turning-on the display module using the blank period, and
the scaler and the timing controller are in a turned-on state and the power IC is in a turned-off state in the standby mode.
10 . The method of claim 6 , wherein the display device comprises:
a modular display panel that includes a plurality of display modules arranged in a matrix form, and
the display module is any one display module from among the plurality of display modules.
11 . A non-transitory computer-readable medium that stores computer instructions for a display device to perform an operation when executed by a processor of the display device which comprises a display module, a scaler that outputs image data in a pre-defined format by processing an image signal input through an input source, and a timing controller, the operation comprising:
outputting, by the scaler, a panel on signal for turning-on the display module; and
turning-on, by the timing controller, the display module based on the panel on signal being identified,
wherein the pre-defined format includes an image frame period in which the image data is included and a blank period in which the image data is not included,
wherein the scaler outputs the panel on signal using the blank period, and
wherein the operation further comprises:
outputting, by the scaler, the image data using an image frame period after a blank period included with the panel on signal; and
outputting, by the timing controller, the image data from an image frame period after at least one image frame period from which black image data is output to the display module.
12 . The non-transitory computer readable medium as claimed in claim 11 ,
wherein the operation further comprises:
outputting, by the timing controller, the black image data from the at least one image frame period to the display module after turning-on the display module based on the panel on signal.
13 . The non-transitory computer readable medium as claimed in claim 11 ,
wherein the display module comprises:
a display panel, a data driver for providing the image data to the display panel, and a power integrated circuit (IC) for supplying power to the display panel and the data driver, and
wherein the turning-on the display module comprises:
outputting, based on the panel on signal being identified, a control signal for turning on the power IC by the timing controller to the power IC.
14 . The non-transitory computer readable medium as claimed in claim 13 ,
wherein the outputting the panel on signal comprises:
receiving a user command for turning-on the display module while the display device is operating in a standby mode; and
outputting the panel on signal for turning-on the display module using the blank period, and
the scaler and the timing controller are in a turned-on state and the power IC is in a turned-off state in the standby mode.
15 . The non-transitory computer readable medium as claimed in claim 11 ,
wherein the display device comprises:
a modular display panel that includes a plurality of display modules arranged in a matrix form, and
the display module is any one display module from among the plurality of display modules.