KR20090058898A - Display apparatus and driving method of display apparatus - Google Patents

Abstract

A display device and a driving method are provided to synthesize and edit data transmitted from the outside, thereby easily using and changing data existing in an external memory. A driver drives a display panel. An image controller(123) controls so that first data, second data different from the first data, and synthesis data for synthesizing the first data with the second data are displayed on a screen. A data transmitter(121) transmits the first data and the synthesis data to an external memory. An internal memory unit(122) stores the second data. The image controller further comprises an image rotating unit. The image rotating unit rotates an image, and displays the rotated image on the screen.

Description

Display Apparatus and Driving Method of Display Apparatus}

The present invention relates to a display device and a driving method.

Among the functions of the display device for displaying an image, there is an OSD (On Screen Display) function.

The OSD is an adjustment function that allows the user to directly optimize the image displayed on the screen. The items that can be adjusted may vary slightly from device to device, but may mainly include screen brightness, contrast, tuning, RGB adjustment, and vertical and horizontal size and position adjustment of the screen.

This OSD function is also applied to a TV, a representative display device.

For example, the user can manually set the screen size, aspect ratio, contrast, brightness, sharpness, color density, and color to suit his or her taste.

In addition, in recent TVs, it is possible to output a picture file of a USB memory to a TV screen by using a USB terminal.

An object of the present invention is to provide a display apparatus and a driving method capable of transmitting data between the display apparatus and an external memory.

According to an embodiment of the present invention, a display apparatus includes a display panel including a screen on which an image is displayed, and a driving unit for driving the display panel, wherein the driving unit includes first data, second data different from the first data, and a second driving unit. An image control unit controls to display the synthesized data obtained by synthesizing the first data and the second data on the screen, a data transfer unit for transmitting the first data and the synthesized data with an external memory, and an internal memory unit for storing the second data.

The image controller may further include an image rotating unit which rotates an image and displays the image on the screen.

In addition, the image rotating unit rotates the image n times, and rotates by 90 ° clockwise or counterclockwise in one rotation.

The screen may include a first screen area in which the first data is displayed and a second screen area in which the second data is displayed, and the second screen area may be displayed at an edge of the first screen area.

In addition, the external memory may be one of a flash memory such as a universal serial bus (USB) memory, a secure digital (SD) memory, a compact flash (CF) memory, and the like.

According to another aspect of the present invention, there is provided a method of driving a display device, the method of driving a display device displaying an image on a screen, the method comprising: receiving first data from an external memory and transmitting the first data to the screen; Displaying, synthesizing the second data stored in the internal memory unit included in the display device with the first data on the screen; synthesizing the synthesized first data and the second data into the internal memory unit And storing the synthesized data stored in the internal memory unit to the external memory.

The method may further include rotating the first data after displaying the first data on the screen.

In addition, in the step of rotating the first data, the first data may be rotated n times, and rotated by 90 ° clockwise or counterclockwise in one rotation.

The method may further include rotating the synthesized data after synthesizing the second data stored in the internal memory unit included in the display device on the screen by combining the first data with the first data.

In addition, in the step of rotating the composite data, the composite data may be rotated n times, and rotated by 90 ° clockwise or counterclockwise in one rotation.

The screen may include a first screen area in which the first data is displayed and a second screen area in which the second data is displayed, and the second screen area may be displayed at an edge of the first screen area.

In addition, the external memory may be one of a flash memory such as a universal serial bus (USB) memory, a secure digital (SD) memory, a compact flash (CF) memory, and the like.

The display apparatus and the driving method according to an embodiment of the present invention have an effect of freely transferring data between the display apparatus and the external memory by disposing a data transmitter.

In addition, since the data can be synthesized and edited from the outside, the data in the external memory can be easily used and changed in the display device.

Hereinafter, a display apparatus and a driving method according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a view for explaining the configuration of a display device according to an embodiment of the present invention.

Referring to FIG. 1, the display apparatus 100 according to an exemplary embodiment of the present invention may include a display panel 110 and a driver 120 for driving an image to be displayed on the display panel 110. .

The display panel 110 may include a screen 111, and the driving unit 120 may include an image controller 121, an internal memory unit 112, and a data transmission unit 123.

The screen 111 may be displayed as an image so that the driving signal and data processed by the driver 120 may be displayed to the user.

The data transmitter 121 may transmit data between the display apparatus 100 and the external memory 130. That is, data transmitted from the external memory 130 through the data transmitter 121 may be displayed on the screen 111.

Here, the external memory 130 may be one of a flash memory such as a universal serial bus (USB) memory, a secure digital (SD) memory, a compact flash (CF) memory, and the like.

The external memory 130 is not limited to its type as long as it can store data, but any one of them may be one of flash memories such as a USB memory, an SD memory, and a CF memory, which are relatively small in size and easy to carry. You can do it.

As such, the data transmission unit 121 may be disposed to facilitate data transmission between the display apparatus 100 and the external memory 130.

The internal memory unit 122 may store image data displayed on the screen 111.

For example, the first data transmitted from the external memory 130 and the second data may be synthesized to form synthesized data, where the second data may be data previously stored in the internal memory unit 122. will be. In addition, the synthesized data obtained by synthesizing the first data and the second data may be stored in the internal memory 122, and the synthesized data stored in the internal memory 122 may be transmitted to the external memory 130 again. .

The image controller 123 controls the data to be displayed on the screen 111.

For example, the first data transmitted from the external memory 130, the second data stored in the internal memory unit 122, and synthetic data obtained by synthesizing the first data and the second data may be controlled to be displayed on the screen 111. It can be.

Here, the image controller 123 may further include an image rotating unit 124.

The image rotating unit 124 rotates the image so that the image can be displayed on the screen 111 in a direction desired by the user.

The image rotating unit 124 may rotate the image n times. That is, the image may be rotated several times until the image is displayed in the desired direction.

Here, the image may be rotated by 90 ° clockwise or counterclockwise in one rotation.

Accordingly, the image may be rotated by 90 ° in one rotation and 180 ° in two rotations, and may be returned in the original direction by four rotations in one direction.

As such, the image rotating unit 124 may be disposed so that the image may be displayed in a direction desired by the user.

A method of driving the display device described with reference to FIG. 1 will be described in more detail with reference to FIG. 2.

2 is a view for explaining a method of driving a display apparatus according to an embodiment of the present invention.

Referring to FIG. 2, a method of driving a display apparatus according to an embodiment of the present invention includes receiving first data from an external memory (S200), displaying the first data on the screen (S210), and an internal memory. Synthesizing the second data stored in the unit with the first data and displaying the synthesized data on the screen (S220); storing the synthesized data obtained by synthesizing the first data and the second data in the internal memory unit (S240); And transmitting the synthetic data stored in the memory unit to the external memory (S250).

First, the first data is received from the external memory through the data transmitter (S200).

As described above with reference to FIG. 1, the external memory may be one of a flash memory such as a universal serial bus (USB) memory, a secure digital (SD) memory, and a compact flash (CF) memory.

The external memory may be any one capable of storing data, but it may be desirable to be one of flash memories such as a USB memory, an SD memory, and a CF memory, which are relatively small in size and easy to carry.

Next, the first data received from the external memory is displayed on the screen (S210). As data is transmitted between the external memory and the display device, the first data stored in the external memory can be displayed on the screen.

Thereafter, the second data stored in the internal memory unit may be synthesized with the first data displayed on the screen, and the synthesized data obtained by combining the first data and the second data may be displayed on the screen (S220). Here, the second data is previously stored in the internal memory unit, and may be synthesized data newly synthesized by synthesizing with the first data transmitted from the external memory.

In this way, the synthesized data obtained by combining the first data and the second data is stored in the internal memory unit (S240).

Thereafter, the synthesized data stored in the internal memory may be transmitted back to the external memory (S250).

Through this driving method, data transmission between the display device and the external memory may be performed. In addition, it is also possible to synthesize and change the data received from the external memory and the data stored in the display device to be the data desired by the user.

3 is a diagram for describing a method of driving a display apparatus according to another exemplary embodiment.

Referring to FIG. 3, after displaying the first data on the screen (S210), the method may further include rotating the first data (S300).

The first data displayed on the screen may be rotated to be displayed in a direction desired by the user.

As such, the step S300 of rotating the first data is arranged after the step S210 of displaying the first data on the screen to rotate the first data in a direction desired by the user, and then stored in the internal memory unit. The first data rotated in the step S220 of combining the second data with the first data and the second data stored in the internal memory may be synthesized.

In addition, in the step S300 of rotating the first data, the first data may be rotated n times. That is, the user can rotate until the first data is displayed in a desired direction.

Here, the first data may be rotated by 90 ° clockwise or counterclockwise in one rotation.

Accordingly, the first data can be rotated by 90 degrees in one rotation and 180 degrees in two rotations, and the first data can be returned in the original direction in four rotations in one direction.

As such, it is possible to rotate the first data in a direction desired by the user, including the step (S300) of rotating the first data.

Next, FIG. 4 is a diagram for describing a method of driving a display apparatus, according to another exemplary embodiment.

Referring to FIG. 4, after synthesizing the second data stored in the internal memory unit with the first data on the screen (S220), the synthesizing data may be rotated (S400).

Unlike in FIG. 3, after synthesizing the first data and the second data, the synthesized data is rotated.

As such, after rotating the synthesized data (S400), the synthesized data may be rotated in a direction desired by the user, and the synthesized data rotated in the stored (S230) may be stored in the internal memory.

In addition, as described with reference to FIG. 3, the synthesized data can also be rotated n times, and can be rotated by 90 ° clockwise or counterclockwise in one rotation.

As described above, the method includes rotating the synthesized data (S400), so that not only the first data but also the synthesized data obtained by combining the first data and the second data may be rotated in a direction desired by the user.

In addition, it is also possible to include both the step (S300) of rotating the first data described in FIG. 3 and the step (S400) of rotating the composite data described in FIG.

For example, after rotating the first data, it may be possible to synthesize the first data and the second data, and to rotate the synthesized data obtained by combining the first data and the second data again.

By rotating the data in this manner, the user can rotate the data in a desired direction.

5 is a view for explaining an example of synthesizing the first data and the second data.

Referring to FIG. 5, an example of synthesizing the first data 510 and the second data 520 among the driving methods described with reference to FIGS. 2 to 4 is illustrated.

The first data 510 transmitted from the external memory (not shown) is displayed on the screen, and the second data 520 stored in the internal memory unit (not shown) is called out. The composite data 530 obtained by combining the first data 510 and the second data 520 may be displayed on the screen.

Here, the screen area on which the second data 520 is displayed may be displayed at the edge of the screen area on which the first data 510 is displayed.

Since the second data 520 is synthesized by combining the second data 520 with the first data 510 which is the original image, the second data 520 is displayed at the edge of the first data 510 so that the first data ( 510) to serve to decorate.

In addition, the screen area on which the first data 510 is displayed and the screen area on which the second data 520 is displayed may overlap each other.

The method of synthesizing the first data 510 and the second data 520 is not limited to the method described with reference to FIG. 5, and may be applied in various forms.

Next, FIG. 6 is a diagram for explaining an example of rotating an image displayed on a screen.

Referring to FIG. 6, an example of rotating data is shown in the driving method described with reference to FIGS. 2 to 4.

There may be a case where the direction of the image transmitted from the external memory, the image loaded from the internal memory, or the user's direction is not correct.

In this case, as shown in FIG. 6, it is possible to change the image to be in a desired direction by rotating the image.

Here, in FIG. 6, the image is rotated 90 ° clockwise. However, the image may be rotated counterclockwise or the image may be rotated several times so that the image may be displayed in a desired direction. .

The method of rotating the image is not limited to the method described with reference to FIG. 6, but may be variously changed.

As such, the technical configuration of the present invention described above can be understood by those skilled in the art that the present invention can be implemented in other specific forms without changing the technical spirit or essential features of the present invention.

Therefore, the exemplary embodiments described above are to be understood as illustrative and not restrictive in all respects, and the scope of the present invention is indicated by the appended claims rather than the foregoing detailed description, and the meaning and scope of the claims are as follows. And all changes or modifications derived from the equivalent concept should be interpreted as being included in the scope of the present invention.

1 is a view for explaining the configuration of a display device according to an embodiment of the present invention.

2 is a view for explaining a method of driving a display device according to an embodiment of the present invention.

3 is a view for explaining a method of driving a display device according to another embodiment of the present invention.

4 is a view for explaining a method of driving a display device according to another embodiment of the present invention;

5 is a view for explaining an example of synthesizing first data and second data;

6 is a diagram for explaining an example of rotating an image displayed on a screen.

Claims (12)

A display panel including a screen on which an image is displayed; A driving unit for driving the display panel Including, The driving unit An image controller for controlling to display first data, second data different from the first data, and composite data obtained by synthesizing the first data and the second data on the screen; A data transmitter for transmitting the first data and the synthesized data to an external memory; And An internal memory unit for storing the second data; Display device comprising a. The method of claim 1, The image control unit further comprises an image rotating unit rotating the image to display on the screen. The method of claim 2, The image rotating unit rotates the image n times, Display device, characterized in that rotated by 90 ° clockwise or counterclockwise in one rotation. The method of claim 1, The screen is A first screen area on which the first data is displayed, and a second screen area on which the second data is displayed, And the second screen area is displayed at an edge of the first screen area. The method of claim 1, The external memory And a flash memory such as a universal serial bus (USB) memory, a secure digital (SD) memory, and a compact flash (CF) memory. In the driving method of the display device for displaying an image on the screen, Receiving first data from an external memory; Displaying the first data received on the screen; Synthesizing the second data stored in an internal memory unit included in the display device with the first data on the screen; Storing synthesized data obtained by combining the first data and the second data in the internal memory unit; Transmitting the composite data stored in the internal memory to the external memory; Method of driving a display device comprising a. The method of claim 6, After displaying the first data on the screen, Rotating the first data The driving method of the display device further comprises. The method of claim 7, wherein In the step of rotating the first data, The first data rotates n times, The method of driving a display device, characterized in that rotated by 90 ° clockwise or counterclockwise in one rotation. The method of claim 6, After displaying the second data stored in the internal memory unit included in the display device on the screen by combining with the first data, Rotating the composite data The driving method of the display device further comprises. The method of claim 9, In the step of rotating the composite data, The composite data rotates n times, The method of driving a display device, characterized in that rotated by 90 ° clockwise or counterclockwise in one rotation. The method of claim 6, The screen is A first screen area on which the first data is displayed, and a second screen area on which the second data is displayed, And the second screen area is displayed at an edge of the first screen area. The method of claim 6, The external memory And a flash memory such as a universal serial bus (USB) memory, a secure digital (SD) memory, a compact flash (CF) memory, and the like.

Images