Display device and method of driving the same

• US 7,821,577 B2
• Filed: 12/10/2004
• Issued: 10/26/2010
• Est. Priority Date: 12/12/2003
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Bae, Sang Chul, Hong, Su Dong
• Primary Examiner(s): LEE, MICHAEL
• Application Number:
  US10/582,522
• Publication Number:
  US 20070258010A1
• Time in Patent Office: 2,146 Days
• Field of Search: 348552-570, 348671-698, 715788-838
• US Class Current: 348/564
• CPC Class Codes: G09G 2340/045 Zooming at least part of an image, i.e. enlarging it or shrinking it
• CPC Class Codes: H04N 21/426 Internal components of the client ; Characteristics thereof H04N5/44 takes precedence
• CPC Class Codes: H04N 21/4316 for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
• CPC Class Codes: H04N 21/4318 by altering the content in the rendering process, e.g. blanking, blurring or masking an image region image enhancement or restoration in general G06T5/00
• CPC Class Codes: H04N 21/47 End-user applications
• CPC Class Codes: H04N 21/485 End-user interface for client configuration
• CPC Class Codes: H04N 5/45 Picture in picture , e.g. displaying simultaneously another television channel in a region of the screen

Abstract

A display device and a method of driving the same are disclosed, wherein a single original image is converted into a picture-enhanced image and a non-enhanced image, which are then displayed. The display device includes a controller (140) dividing a screen into a first display window and a second display window, and outputting control signals based on display options corresponding to the first display window and the second display window, and a video processing unit (160) separating an original image into a first image part and a second image part, and modifying picture qualities of each of the first image part and the second image part that are to be displayed on each of the first display window and the second display window, depending upon the control signals.

Claims

1. A display device, comprising:

a controller dividing a screen into a first display window and a second display window, and outputting control signals based on display options corresponding to the first display window and the second display window; and

a video processing unit separating an original image into a first image part and a second image part, and adjusting a position and a size of each of the first image part and the second image part, so as to be identical to a position and a size of the first display window and the second display window and modifying picture qualities of each of the first image part and the second image part that are to be displayed on the first display window and the second display window respectively, depending upon the control signals.

2. The display device of claim 1, wherein the display options include position and size adjustments for each of the first display window and the second display window.

3. The display device of claim 1, wherein the display options include picture quality adjustments for each of the first image part and the second image part that are to be displayed on each of the first display window and the second display window.

4. The display device of claim 1, wherein the video processing unit comprises:

a video adjusting unit separating the original image into the first image part and the second image part, and adjusting the position and the size of the first image part and the second image part that are to be displayed; and

a first video processor and a second video processor modifying the picture quality of each of the first image part and the second image part, so as to provide different picture qualities.

5. A display device, comprising:

a controller outputting control signals including display information for each of a plurality of divided display windows; and

a video processing unit adjusting either a position and a size of each of a plurality of full images that are to be displayed, or a position and a size of each of a plurality of image parts that are to be displayed, depending on the display information and converting an original image into either the plurality of full images each having a different picture quality, or the plurality of image parts each having a different picture quality, depending upon the display information, and displaying the full images or the image parts on each of the display windows.

6. The display device of claim 5, wherein the display information includes information representing whether the full images are to be displayed on each of the display windows or whether the image parts are to be displayed on each of the display windows.

7. The display device of claim 5, wherein the display information includes alignment and size information of each of the display windows.

8. The display device of claim 5, wherein the video processing unit comprises:

a video adjusting unit outputting the original image or separating the original image into a plurality of separated images, depending upon the display information; and

a plurality of video processors converting the original image into the full image each having a different picture quality, or converting the separated images into a plurality of image parts each having a different picture quality.

9. A method of driving a display device, comprising:

setting up display options for a first display window and a second display window, which are divided on a screen;

outputting control signals based on the display options;

dividing an original image into a first image part and a second image part;

adjusting a position and a size of each of the first image part and the second image part, so as to be identical to a position and a size of each of the first display window and the second display window; and

modifying a picture quality of each of the first image part and the second image part, so as to provide different picture qualities, wherein the first image part and the second image part are to be displayed on the first display window and the second image window, respectively.

10. The method of claim 9, wherein the setting up display options comprises setting up picture qualities of each of the first image part and the second image part that are to be displayed on each of the first display window and the second display window.

11. The method of claim 9, wherein the setting up display options comprises setting up a position and a size of each of the first display window and the second display window.

12. The method of claim 9, wherein the setting up display options comprises setting up a ratio between the size of the first display window and the size of the second display window.

13. The method of claim 9, further comprising:

selecting any one of the first image part and the second image part, both of which are displayed on each of the first display window and the second display window; and

displaying the selected image part on the first display window and the second display window.

14. A method of driving a display device, comprising:

outputting display information for a plurality of display windows, which are divided on a screen;

adjusting either a position and a size of each of a plurality of frill images that are to be displayed or a position and a size of each of a plurality of image parts that are to be displayed, depending upon the display information; and

converting an original image into either the plurality of full images each having a different picture quality, or the plurality of image parts each having a different picture quality, depending upon the display information; and

displaying the full images or the image parts on each of the display windows.

15. The method of claim 14, wherein the converting the original image comprises transmitting the original image to a plurality of video processors for converting the original image into either the plurality of full images each having a different picture quality, or the plurality of image parts each having a different picture quality.

16. The method of claim 14, further comprising:

selecting one of the full images that are displayed on each of the display windows; and

zooming-in the selected full image and displaying the zoomed-in full image on all of the display windows.

17. The method of claim 14, further comprising:

selecting one of the image parts that are displayed on each of the display windows; and

displaying the image parts displayed on each of the display windows with a same picture quality as that of the selected image part.