SYSTEM, METHOD, AND COMPUTER PROGRAM PRODUCT FOR INCREASING AN LCD DISPLAY VERTICAL BLANKING INTERVAL

• US 20120075437A1
• Filed: 12/05/2011
• Published: 03/29/2012
• Est. Priority Date: 03/29/2006
• Status: Active Grant

• Current Assignee: NVIDIA Corporation
• Original Assignee: NVIDIA Corporation
• Inventors: Slavenburg, Gerrit A., Fox, Thomas F., Cook, David Robert
• Granted Patent: US 8,878,904 B2
• Time in Patent Office: Days
• US Class Current: 348/51
• CPC Class Codes: G09G 2310/08 Details of timing specific for flat panels, other than clock recovery
• CPC Class Codes: G09G 2360/02 Graphics controller able to handle multiple formats, e.g. input or output formats
• CPC Class Codes: G09G 2370/047 using display data channel standard [DDC] communication
• CPC Class Codes: G09G 3/003 to produce spatial visual effects
• CPC Class Codes: G09G 3/20 for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
• CPC Class Codes: G09G 3/3406 Control of illumination source illumination devices structurally associated with liquid crystal cells G02F1/1336
• CPC Class Codes: G09G 3/36 using liquid crystals
• CPC Class Codes: G09G 5/12 Synchronisation between the display unit and other units, e.g. other display units, video-disc players
• CPC Class Codes: H04N 13/341 using temporal multiplexing
• CPC Class Codes: H04N 13/398 Synchronisation thereof; Control thereof

Abstract

A system, method, and computer program product are provided for enhancing a viewing experience when display content is viewed utilizing stereo glasses. In use, display content is received for being outputted utilizing a display. Further, a duration of a vertical blanking interval associated with the display content is increased for enhancing a viewing experience when the display content is viewed utilizing the stereo glasses.

Claims

1. A method, comprising:

receiving display content for being outputted utilizing a display; and

increasing a duration of a vertical blanking interval associated with the display content by sending additional blank lines to the display for enhancing a viewing experience when the display content is viewed utilizing stereo glasses by displaying the content for a longer period of time, such that an apparent brightness is increased;

wherein the vertical blanking interval includes a time when the display content is held on the display without an update applied to the display content.

2. The method as recited in claim 1, wherein the duration of the vertical blanking interval is increased by decreasing a horizontal blanking interval associated with the display.

3. The method as recited in claim 1, wherein the duration of the vertical blanking interval is increased by increasing a rate at which pixels are sent to the display.

4. The method as recited in claim 1, wherein the duration of the vertical blanking interval is increased by reducing a refresh rate of the display.

5. The method as recited in claim 1, wherein the display is driven at a native resolution.

6. The method as recited in claim 1, wherein the display is equipped with a plurality of additional timings for increasing the duration of the vertical blanking interval.

7. The method as recited in claim 6, wherein the additional timings are each adapted for decreasing a horizontal blanking interval associated with the display.

8. The method as recited in claim 6, wherein the additional timings are each adapted for increasing a rate at which pixels are sent to the display.

9. The method as recited in claim 6, wherein the additional timings are each adapted for reducing a refresh rate of the display.

10. The method as recited in claim 6, wherein the display is equipped with a plurality of additional timings by including the additional timings in software stored in memory of the display.

11. The method as recited in claim 1, wherein the duration of the vertical blanking interval is increased by decreasing a resolution associated with the display.

12. The method as recited in claim 1, wherein a stable time of the display content is increased by buffering the display content, while avoiding a need to increase the vertical blanking interval on a display interface cable.

13. The method as recited in claim 12, wherein the display content associated with a predetermined eye is buffered until a full image of display content for the predetermined eye is buffered, after which the full image of display content for the predetermined eye is the transmitted to the display at a maximum pixel rate that the display is capable of handling internally so that the vertical blanking interval is capable of being maximized.

14. The method as recited in claim 12, wherein dynamic random access memory is utilized for the buffering.

15. The method as recited in claim 12, wherein the display content for the predetermined eye is buffered while previous display content for another predetermined eye is displayed.

16. The method as recited in claim 1, wherein the display includes a liquid crystal display, and a backlight of the liquid crystal display is activated during the vertical blanking interval.

17. The method as recited in claim 1, wherein the duration of the vertical blanking interval is increased utilizing a control component in communication with a graphics processor and the stereo glasses.

21. The method as recited in claim 1, wherein the display content is buffered utilizing buffer memory resident in the display.

22. The method as recited in claim 1, wherein the display content is buffered utilizing buffer memory resident in a location other than a computer system, the computer system including a central processing unit and memory connected via at least one bus.

30. The method as recited in claim 1, wherein the duration of the vertical blanking interval is increased by sending additional blank lines to the display, and a backlight of the display is activated during the vertical blanking interval to hold the display content on the display, such that the display content is displayed for an additional period of time and an apparent brightness to a user is increased.

18. A computer program product embodied on a non-transitory computer readable medium, comprising:

computer code for receiving display content or being outputted utilizing a display; and

computer code for increasing a duration of a vertical blanking interval associated with the display content by sending additional blank lines to the display for enhancing a viewing experience when the display content is viewed utilizing stereo glasses by displaying the content for a longer period of time, such that an apparent brightness is increased;

wherein the vertical blanking interval includes a time when the display content is held on the display without an update applied to the display content.

19. A system, comprising

a display;

a graphics processor; and

a control component in communication with at least one of the graphics processor and the display, the control component for increasing a duration of a vertical blanking interval associated with display content by sending additional blank lines to the display for enhancing a viewing experience when the display content is viewed utilizing stereo glasses by displaying the content for a longer period of time, such that an apparent brightness is increased;

wherein the vertical blanking interval includes a time when the display content is held on the display without an update applied to the display content.

20. The system as recited in claim 19, wherein the graphics processor is in communication with a central processing unit via a bus.

24. The system as recited in claim 19, wherein the display content is buffered utilizing buffer memory resident in the display.

25. The system as recited in claim 19, wherein the display content is buffered utilizing buffer memory resident in a location other than a computer system, the computer system including a central processing unit and memory connected via at least one bus.

26. The system as recited in claim 25, wherein the location other than the computer system includes the display.

23. The method as recited in claim wherein the location other than the computer system includes the display.

27. A method, comprising:

receiving display content for being outputted utilizing a display; and

buffering the display content in a buffer prior to outputting the display content utilizing the display, where the buffering keeps a pixel clock low by allowing for a time during which the display content is communicated over a cable to the buffer;

wherein display content for a predetermined eye is buffered until a full image of the display content for the predetermined eye is buffered, after which the full image of the display content for the predetermined eye is transmitted from the buffer to the display, and wherein during the buffering of the display content for the predetermined eye, display content for another predetermined eye is displayed.

28. A method, comprising:

receiving display content for being outputted utilizing a display; and

buffering the display content in a buffer prior to outputting the display content utilizing the display, where the buffering increases a stable time of the display content while avoiding a need to increase a vertical blanking interval on a display interface cable;

wherein display content for a predetermined eye is buffered until a full image of the display content for the predetermined eye is buffered, after which the full image of the display content for the predetermined eye is transmitted from the buffer to the display, and wherein during the buffering of the display content for the predetermined eye, display content for another predetermined eye is displayed.

29. A method, comprising:

receiving display content for being outputted utilizing a display; and

buffering the display content in a buffer prior to outputting the display content utilizing the display;

wherein the display content stored in the buffer is ready for display, such that the display content is transferred from the buffer to the display and held on the display for a period of time that is longer than were the display content not stored in the buffer and ready for display;

wherein display content for a predetermined eye is buffered until a full image of the display content for the predetermined eye is buffered, after which the full image of the display content for the predetermined eye is transmitted from the buffer to the display, and wherein during the buffering of the display content for the predetermined eye, display content for another predetermined eye is displayed.