Display system for processing a video signal

• US 20020113782A1
• Filed: 02/19/2002
• Published: 08/22/2002
• Est. Priority Date: 02/21/2001
• Status: Abandoned Application

• Current Assignee: Koninklijke Philips Electronics N.V. (Koninklijke Philips N.V.)
• Original Assignee: Koninklijke Philips Electronics N.V. (Koninklijke Philips N.V.)
• Inventors: Verberne, Henricus Renatus Martinus, Ophey, Willem Gerard
• Application Number:
  US10/078,935
• Publication Number:
  US 20020113782A1
• Time in Patent Office: Days
• US Class Current: 345/204
• CPC Class Codes: G06F 1/1616 with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
• CPC Class Codes: G06F 1/1637 Details related to the display arrangement, including those related to the mounting of the display in the housing
• CPC Class Codes: G06F 1/1684 Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
• CPC Class Codes: G06F 1/1686 the I/O peripheral being an integrated camera
• CPC Class Codes: G06F 3/013 Eye tracking input arrangements G06F3/015 takes precedence
• CPC Class Codes: G09G 2320/0247 Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
• CPC Class Codes: G09G 2320/0686 with two or more screen areas displaying information with different brightness or colours
• CPC Class Codes: G09G 2330/021 Power management, e.g. power saving
• CPC Class Codes: G09G 2340/0407 Resolution change, inclusive of the use of different resolutions for different screen areas
• 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 5/00 Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators image data processing or generation, in general G06T

Abstract

The invention relates to a display system comprising an electronically operated display and an electronic processing and computing means, arranged to output a display signal at a predetermined refresh rate for displaying images in a predefined resolution. The display system is configured to receive a video signal from a video source. The processing and computing means transforms the video signal into a display signal. According to the invention, the display system is set to display an image in a format having a high-resolution part and a low-resolution part, such that a portion of the low-resolution part circumscribes at least a portion of the high-resolution part. The processing and computing means is adapted to operate in accordance with at least one of a set of measures including the skipping of computations for defining intermediate pixels of the display area with the low-resolution part, defining the display pixels of the low-resolution part to be larger than the display pixels of the high-resolution part, and reducing the intensity of the signal in the low-resolution part in order to reduce the power consumption of the display system.

Claims

1. A display system comprising an electronically operated display and an electronic processing and computing means, arranged to output a display signal to the display provided with pixels composing an image on the display, characterized in that the system is adapted to display the image in a format having a relatively high-resolution part and a relatively low-resolution part, the processing and computing means being adapted to operate in accordance with at least one of a set of measures including the skipping of computations for defining intermediate pixels of the display area with the relatively low-resolution part, defining the display pixels of the low-resolution part to be relatively large as compared to the display pixels of the high-resolution part, and reducing the intensity of the signal in said relatively low-resolution part.

2. A display system as claimed in claim 1, in which the relatively high-resolution part (H) is an image part which is instantaneously relevant to the user of the system.

3. A display system as claimed in claim 1 or 2, in which the system comprises eye-tracking means for defining the user'"'"'s fovea and for interacting with the processing and computing means, such that the relatively high-resolution part (H) is set in correspondence with the instantaneous fovea.

4. A display system as claimed in any one of the preceding claims, in which the measure for the relatively low-resolution area (L) is applied at an intensity decreasing with the distance from the centre of the fovea.

5. A display system as claimed in any one of the preceding claims, in which at least a portion of the relatively low-resolution part circumscribes at least a portion of the relatively high-resolution part.

6. A computer system comprising a display system as claimed in any one of the preceding claims.