Method for adjusting brightness, contrast and color in a displaying apparatus

• US 20020163527A1
• Filed: 05/06/2002
• Published: 11/07/2002
• Est. Priority Date: 05/04/2001
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Park, Dong S.
• Granted Patent: US 8,159,503 B2
• Time in Patent Office: Days
• US Class Current: 345/594
• CPC Class Codes: G09G 2320/06 Adjustment of display parameters
• CPC Class Codes: G09G 2320/0606 Manual adjustment
• CPC Class Codes: G09G 2320/0626 for control of overall brightness
• CPC Class Codes: G09G 2320/066 for control of contrast
• CPC Class Codes: G09G 2320/0666 for control of colour parameters, e.g. colour temperature
• CPC Class Codes: G09G 2320/0673 for control of gamma adjustment, e.g. selecting another gamma curve
• CPC Class Codes: G09G 2320/068 for control of viewing angle adjustment
• CPC Class Codes: G09G 2320/0693 Calibration of display systems
• CPC Class Codes: G09G 2340/04 Changes in size, position or resolution of an image
• CPC Class Codes: G09G 5/003 Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto specific for a CRT G09G1/165; for a flat panel G09G3/2092
• CPC Class Codes: H04N 1/6055 using test pattern analysis
• CPC Class Codes: H04N 17/04 for receivers
• CPC Class Codes: H04N 5/57 Control of contrast or brightness

Abstract

A process that enables the user to select the type of display device to be adjusted. The user adjusts the brightness levels and color levels of the monitor to create a monitor profile for storage. The user then calibrates the selected monitor relative to a peripheral device such as a color printer device by comparing a printed test image to a displayed a gray scale image and a plurality of color images to establish a printer profile. The user then chooses to print an image by incorporating the printer profile or not.

Claims

1. A method for adjusting a color of an image displayed on a displaying apparatus having a screen on which an image is displayed, comprising the steps of:

displaying the image on the screen;

providing a non-active area so as to be adjacent to the image within the screen; and

adjusting the brightness of the image to be matched with that of the non-active area.

2. The method according to claim 1, further comprising the step of:

reducing the size of the image to a predetermined size in the screen.

3. The method according to claim 2, further comprising the step of:

setting up the brightness and contrast of the image to the maximum value before the step of adjusting the brightness.

4. The method according to claim 3, wherein the image includes a black color area inside thereof.

5. The method according to claim 4, further comprising the step of:

setting up a black point of a gamma property curve when the brightness of the black color area within the image matches with the brightness of the non-active area.

6. The method according to claim 5, further comprising the step of:

setting up a white point of the gamma property curve based on the black point and the maximum value of the brightness.

7. The method according to claim 6, further comprising the step of:

presenting a light condition setting window for selecting a light type of neighboring environment.

8. The method according to claim 6, further comprising the step of:

presenting a color adjust selecting window relative to each of R, G, B colors of the image.

9. The method according to claim 7, further comprising the step of:

presenting a color adjust selecting window relative to each of R, G, B colors of the image.

10. The method according to claim 8, further comprising the steps of:

selecting at least one of the R, G, B colors in the color adjust selecting window; and

adjusting the selected color so as to be matched with a reference color based on the black point and the white point.

11. The method according to claim 9, further comprising the steps of:

selecting at least one of the R, G, B colors in the color adjust selecting window; and

adjusting the selected color so as to be matched with a reference color based on the black point and the white point.

12. The method according to claim 1, further comprising the steps of:

displaying a predetermined image having a reference contrast on the screen; and

matching the contrast of the image with the reference contrast.

13. The method according to claim 12, further comprising the step of:

providing the non-active area so as to be adjacent to the predetermined image in the screen.

14. The method according to claim 13, further comprising the step of:

matching the contrast of the non-active area with the reference contrast.

15. The method according to claim 14, further comprising the step of:

setting up the contrast to the minimum value before the step of matching the contrast.

16. The method according to claim 15, further comprising the step of:

setting up a white point of a gamma property curve when the contrast of the non-active area is matched with the reference contrast.

17. The method according to claim 16, further comprising the step of:

setting up a black point of the gamma property curve through the white point and the minimum value of the contrast.

18. The method according to claim 11, further comprising the step of:

generating and storing a color profile including the white point, the lighting conditions and at least one of the adjusted colors.

19. The method according to claim 17, further comprising the step of:

generating and storing a color profile including the white point, the lighting conditions and at least one of the adjusted colors.

20. The output color adjusting method of a displaying apparatus, comprising the steps of:

outputting a sample image to a printing device;

presenting a reference color image based on a predetermined black point and white point; and

adjusting the color so as to allow the color of the sample image to be matched with the reference color image.

21. The method according to claim 20, wherein the reference color image includes reference color images relative to each color of R, G, B, C, M and Y.

22. A method in a monitor, comprising the steps of:

selecting one of a monitor adjustment sub-menu and a printer adjustment sub-menu displayed in a main menu on a screen of the monitor;

displaying an image in an active area of a screen when the monitor adjustment sub-menu is selected;

displaying an inactive area disposed adjacent to said image within said screen; and

adjusting brightness of said image to match a brightness of said inactive area.

23. The method of claim 22, further comprising a step of selecting a monitor type, wherein said monitor type can be a monitor utilizing a cathode ray tube or a monitor utilizing a liquid crystal display.

24. The method of claim 22, further comprising a step of reducing said image to a predetermined size in said screen before performing the step of adjusting brightness.

25. The method of claim 24, further comprising a step of automatically adjusting the size of said inactive area to remain adjacent to said reduced image displayed in said screen.

26. The method of claim 25, further comprising a step of allowing brightness of said reduced image to be matched to said inactive area.

27. The method of claim 22, wherein said image includes a black region and the brightness of said black region is adjusted to match a black area defined by said inactive area of said screen.

28. The method of claim 22, further comprising a step of allowing a user to adjust a maximum level of said brightness of said image before said brightness of said image is adjusted to said inactive area.

29. The method of claim 24, wherein said reduced image includes a black region and the brightness of said black region is adjusted to match a black area defined by said inactive area of said screen.

30. The method of claim 22, further comprising steps of:

adjusting a viewing angle when the selected monitor type is indicative of a monitor utilizing a liquid crystal display; and

allowing a user to adjust a minimum level of said brightness of said image before said brightness of said image is adjusted to match said inactive area.

31. The method of claim 22, further comprising steps of:

adjusting a viewing angle when the selected monitor type is indicative of a monitor utilizing a liquid crystal display; and

allowing a user to adjust a maximum level of said brightness of said image before said brightness of said image is adjusted to said inactive area.

32. The method of claim 24, further comprising a step of restoring the image area to a normal size or a size selected by a user.

33. The method of claim 22, further comprising a step of selecting environmental lighting conditions corresponding to lighting conditions of an area in which said monitor is located.

34. The method of claim 22, further comprising a step of developing a color profile of said monitor.

35. The method of claim 34, wherein the step of developing a color profile comprises:

selecting one of three color channels from among red (R), green (G) and blue (B) color channels for color adjustment;

adjusting the selected color until an image the screen disappears when the color of the image matches a color of an outer peripheral area surrounding the image;

repeating the two previous steps for the remaining color channels; and

storing information, pertaining to the color adjustment, in a memory as said color profile.

36. The method of claim 22, further comprising a step of printing a sample image including a gray scale image and a plurality of color images, when said printer adjustment sub-menu is selected.

37. The method of claim 36, further comprising performing color adjustment of said monitor by selecting a brightness adjustment button or a color adjustment button displayed on the screen of said monitor.

38. The method of claim 37, when said brightness adjustment button is selected, further comprising:

displaying a gray scale having a plurality of gray levels on said screen;

simultaneously adjusting said plurality of gray levels to match the gray scale of the printed gray scale image;

adjusting individual ones of said gray levels to finely adjust the displayed gray scale to match the printed gray scale; and

saving information pertaining to the adjustments of the gray level in memory as a printer profile.

39. The method of claim 37, when said color adjustment button is selected, further comprising:

displaying a plurality of colors on said screen;

selecting one of said displayed colors;

performing a coarse adjustment by adjusting the color of the selected color to match a corresponding printed color image by using a color scale control;

performing a fine adjustment by further adjusting the color of the selected color to match a corresponding printed color image by using fine tuning slider bars;

repeating the previous three steps for the remaining displayed colors; and

saving information pertaining to the adjustments of the color in memory as a printer profile.

40. The method of claim 37, further comprising steps of:

selecting an image printing operation;

browsing for and selecting an image to print;

displaying the selected image;

browsing for and selecting a printer profile corresponding to the printer;

displaying a first image without using the selected printer profile;

displaying a second image using the printer profile; and

selecting whether to print the first or second image by comparing the displayed first and second images to the displayed image to print, and printing the selected image.