METHOD AND DEVICE FOR CONTROLLING OPTICAL QUANTITIES OF ORGANIC LIGHT EMISSION DISPLAY DEVICE

• US 20150015617A1
• Filed: 03/07/2014
• Published: 01/15/2015
• Est. Priority Date: 07/09/2013
• Status: Abandoned Application

• Current Assignee: Samsung Display Company Limited (Samsung Group)
• Original Assignee: Samsung Display Company Limited (Samsung Group)
• Inventors: YEO, Yong-Seok, KIM, Gee-Bum, LIM, Sang-Min
• Application Number:
  US14/201,218
• Publication Number:
  US 20150015617A1
• Time in Patent Office: Days
• US Class Current: 345/690
• CPC Class Codes: G09G 2320/0242 Compensation of deficiencies in the appearance of colours
• CPC Class Codes: G09G 2320/06 Adjustment of display parameters
• CPC Class Codes: G09G 2320/0673 for control of gamma adjustment, e.g. selecting another gamma curve
• CPC Class Codes: G09G 3/2092 Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto suitable for both CRT and flat panel G09G5/003; specific for a CRT G09G1/165
• CPC Class Codes: G09G 3/3208 organic, e.g. using organic light-emitting diodes [OLED]

Abstract

A method for controlling optical quantities of an organic light emitting diode (“OLED”) display includes generating an inverse matrix using an initial setting of the OLED display, calculating a variation between the initial setting and a target setting using the target setting, the initial setting and the inverse matrix, where the target setting is input by a user of the OLED, and controlling optical quantities of the OLED display using the variation.

Claims

1. A method of controlling optical quantities of an organic light emitting diode display, the method comprising:

generating an inverse matrix using an initial setting of the organic light emitting diode display;

calculating a variation between the initial setting and a target setting using the target setting, the initial setting and the inverse matrix, wherein the target setting is input by a user of the organic light emitting diode display; and

controlling the optical quantities of the organic light emitting diode display using the variation.

2. The method of claim 1, wherein the generating the inverse matrix comprises:

acquiring a changed setting by changing red data, green data and blue data of the initial setting; and

calculating the inverse matrix using the changed setting and the initial setting.

3. The method of claim 2, wherein the acquiring the changed setting comprises:

acquiring a first modification setting by changing the red data of the initial setting;

acquiring a second modification setting by changing the green data of the initial setting; and

acquiring a third modification setting by changing the blue data of the initial setting.

4. The method of claim 3, wherein the calculating the inverse matrix comprises:

generating a matrix by calculating differences in color coordinates and a luminance value between the initial setting and the first modification setting, differences in the color coordinates and the luminance value between the initial setting and the second modification setting, and differences in the color coordinates and the luminance value between the initial setting and the third modification setting; and

calculating an inverse of the matrix.

5. The method of claim 1, wherein the calculating the variation comprises:

generating a difference matrix by calculating differences in color coordinates and a luminance value between the target setting and the initial setting; and

calculating the variation using the inverse matrix and the difference matrix.

6. A device for controlling optical quantities of an organic light emitting diode display, the device comprising:

an inverse matrix generator which generates an inverse matrix using an initial setting of the organic light emitting diode display;

a variation calculator which calculates a variation between the initial setting and a target setting using the target setting, the initial setting and the inverse matrix, wherein the garget setting is input by a user of the organic light emitting diode display; and

a panel controller which controls the optical quantities of the organic light emitting diode display using the variation.

7. The device of claim 6, wherein

the inverse matrix generator acquires a changed setting by changing red data, green data and blue data of the initial setting, and

the inverse matrix generator calculates the inverse matrix using the changed setting and the initial setting.

8. The device of claim 7, wherein

the changed setting comprises:

a first modification setting acquired by changing the red data;

a second modification setting acquired by changing the green data; and

a third modification setting acquired by changing the blue data.

9. The device of claim 8, wherein

the inverse matrix generator calculates a matrix using differences in color coordinates and a luminance value between the initial setting and the first modification setting, differences in color coordinates and a luminance value between the initial setting and the second modification setting and differences in color coordinates and a luminance value between the initial setting and the third modification setting, and

the inverse matrix generator calculates an inverse of the matrix.

10. The device of claim 6, wherein

the variation calculator generates a difference matrix using differences in color coordinates and a luminance value between the target setting and the initial setting, and

the variation calculator calculates the variation using the inverse matrix and the difference matrix.

11. An organic light emitting diode display comprising:

a display panel comprising an organic light emitting diode; and

an optical quantities control device which controls optical quantities of the display panel,

wherein the optical quantities control device comprises;

an inverse matrix generator which generates an inverse matrix using an initial setting of the organic light emitting diode display;

a variation calculator which calculates a variation between the initial setting and a target setting using the target setting, the initial setting and the inverse matrix, wherein the garget setting is input by a user of the organic light emitting diode display; and

a panel controller which controls the optical quantities of the organic light emitting diode display using the variation.

12. The organic light emitting diode display of claim 11, wherein

the inverse matrix generator acquires a changed setting by changing red data, green data and blue data of the initial setting, and

the inverse matrix generator calculates the inverse matrix using the changed setting and the initial setting.

13. The organic light emitting diode display of claim 12, wherein the changed setting comprises:

a first modification setting acquired by changing the red data;

a second modification setting acquired by changing the green data; and

a third modification setting acquired by changing the blue data.

14. The organic light emitting diode display of claim 13, wherein

the inverse matrix generator calculates a matrix using differences in color coordinates and a luminance value between the initial setting and the first modification setting, differences in color coordinates and a luminance value between the initial setting the second modification setting and differences in color coordinates and a luminance value between the initial setting and the third modification setting, and

the inverse matrix generator calculates an inverse of the matrix.

15. The organic light emitting diode display of claim 11, wherein

the variation calculator generates a difference matrix using differences in color coordinates and a luminance value between the target setting and the initial setting, and

the variation calculator calculates the variation using the inverse matrix and the difference matrix.