The present application is related to commonly owned (and filed on even date) United States patent applications: (1) United States patent Publication No. 2004/0246213 (“the '213 application”) [U.S. patent application Ser. No. 10/455,925] entitled “DISPLAY PANEL HAVING CROSSOVER CONNECTIONS EFFECTING DOT INVERSION”; (2) United States Patent Publication No. 2004/0246381 (“the '381 application”) [U.S. patent application Ser. No. 10/455,931] entitled “SYSTEM AND METHOD OF PERFORMING DOT INVERSION WITH STANDARD DRIVERS AND BACKPLANE ON NOVEL DISPLAY PANEL LAYOUTS”; (3) United States Patent Publication No. 2004/0246278 (“the '278 application”) [U.S. patent application Ser. No. 10/455,927] entitled “SYSTEM AND METHOD FOR COMPENSATING FOR VISUAL EFFECTS UPON PANELS HAVING FIXED PATTERN NOISE WITH REDUCED QUANTIZATION ERROR”; (4) United States Patent Publication No. 2004/0246404 (“the '404 application”) [U.S. patent application Ser. No. 10/456,838] entitled “LIQUID CRYSTAL DISPLAY BACKPLANE LAYOUTS AND ADDRESSING FOR NON-STANDARD SUBPIXEL ARRANGEMENTS”; and (5) United States Patent Publication No. 2004/0246280 (“the '280 application”) [U.S. patent application Ser. No. 10/456,839] entitled “IMAGE DEGRADATION CORRECTION IN NOVEL LIQUID CRYSTAL DISPLAYS,” which are hereby incorporated herein by reference.
In commonly owned United States patent applications: (1) United States Patent Publication No. 2002/0015110 (“the '110 application”) [U.S. patent application Ser. No. 09/916,232] entitled “ARRANGEMENT OF COLOR PIXELS FOR FULL COLOR IMAGING DEVICES WITH SIMPLIFIED ADDRESSING,” filed Jul. 25, 2001; (2) United States Patent Publication No. 2003/0128225 (“the '225 application”) [U.S. patent application Ser. No. 10/278,353] entitled “IMPROVEMENTS TO COLOR FLAT PANEL DISPLAY SUB-PIXEL ARRANGEMENTS AND LAYOUTS FOR SUB-PIXEL RENDERING WITH INCREASED MODULATION TRANSFER FUNCTION RESPONSE,” filed Oct. 22, 2002; (3) United States Patent Publication No. 2003/0128179 (“the '179 application”) [U.S. patent application Ser. No. 10/278,352] entitled “IMPROVEMENTS TO COLOR FLAT PANEL DISPLAY SUB-PIXEL ARRANGEMENTS AND LAYOUTS FOR SUB-PIXEL RENDERING WITH SPLIT BLUE SUB-PIXELS,” filed Oct. 22, 2002; (4) United States Patent Publication No. 2004/0051724 (“the '724 application”) [U.S. patent application Ser. No. 10/243,094] entitled “IMPROVED FOUR COLOR ARRANGEMENTS AND EMITTERS FOR SUB-PIXEL RENDERING,” filed Sep. 13, 2002; (5) United States Patent Publication No. 2003/0117423 (“the '423 application”) [U.S. patent application Ser. No. 10/278,328] entitled “IMPROVEMENTS TO COLOR FLAT PANEL DISPLAY SUB-PIXEL ARRANGEMENTS AND LAYOUTS WITH REDUCED BLUE LUMINANCE WELL VISIBILITY,” filed Oct. 22, 2002; (6) United States Patent Publication No. 2003/0090581 (“the '581 application”) [U.S. patent application Ser. No. 10/278,393] entitled “COLOR DISPLAY HAVING HORIZONTAL SUB-PIXEL ARRANGEMENTS AND LAYOUTS,” filed Oct. 22, 2002; (7) United States Patent Publication No. 2004/0080479 (“the '479 application”) [U.S. patent application Ser. No. 10/347,001] entitled “IMPROVED SUB-PIXEL ARRANGEMENTS FOR STRIPED DISPLAYS AND METHODS AND SYSTEMS FOR SUB-PIXEL RENDERING SAME,” filed Jan. 16, 2003, novel sub-pixel arrangements are therein disclosed for improving the cost/performance curves for image display devices and herein incorporated by reference.
These improvements are particularly pronounced when coupled with sub-pixel rendering (SPR) systems and methods further disclosed in those applications and in commonly owned United States patent applications: (1) United States Patent Publication No. 2003/0034992 (“the '992 application”) [U.S. patent application Ser. No. 10/051,612] entitled “CONVERSION OF A SUB-PIXEL FORMAT DATA TO ANOTHER SUB-PIXEL DATA FORMAT,” filed Jan. 16, 2002; (2) United States Patent Publication No. 2003/0103058 (“the '058 application”) [U.S. patent application Ser. No. 10/150,355] entitled “METHODS AND SYSTEMS FOR SUB-PIXEL RENDERING WITH GAMMA ADJUSTMENT,” filed May 17, 2002; (3) United States Patent Publication No. 2003/0085906 (“the '906 application”) [U.S. patent application Ser. No. 10/215,843] entitled “METHODS AND SYSTEMS FOR SUB-PIXEL RENDERING WITH ADAPTIVE FILTERING,” filed Aug. 8, 2002; (4) United States Patent Publication No. 2004/0196302 (“the '302 application”) [U.S. patent application Ser. No. 10/379,767] entitled “SYSTEMS AND METHODS FOR TEMPORAL SUB-PIXEL RENDERING OF IMAGE DATA” filed Mar. 4, 2003; (5) United States Patent Publication No. 2004/0174380 (“the '380 application”) [U.S. patent application Ser. No. 10/379,765] entitled “SYSTEMS AND METHODS FOR MOTION ADAPTIVE FILTERING,” filed Mar. 4, 2003; (6) U.S. Pat. No. 6,917,368 (“the '368 patent”) [U.S. patent application Ser. No. 10/379,766] entitled “SUB-PIXEL RENDERING SYSTEM AND METHOD FOR IMPROVED DISPLAY VIEWING ANGLES” filed Mar. 4, 2003; (7) United States Patent Publication No. 2004/0196297 (“the '297 application”) [U.S. patent application Ser. No. 10/409,413] entitled “IMAGE DATA SET WITH EMBEDDED PRE-SUBPIXEL RENDERED IMAGE” filed Apr. 7, 2003, which are hereby incorporated herein by reference.
The accompanying drawings, which are incorporated in, and constitute a part of this specification illustrate exemplary implementations and embodiments of the invention and, together with the description, serve to explain principles of the invention.
Reference will now be made in detail to implementations and embodiments, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.
As also shown, each subpixel is connected to a column line (each driven by a column driver 110) and a row line (e.g. 112 and 114). In the field of AMLCD panels, it is known to drive the panel with a dot inversion scheme to reduce crosstalk and flicker.
Another embodiment that may address viewing angles is a technique whereby the viewing angle characteristics of the larger pixel are designed to match those of the smaller pixel. In
The embodiment of
Yet another embodiment using additional drivers is depicted in
As it is known upon manufacture of the panel itself, it is possible to compensate for any undesirable visual effect using different techniques. As described in copending and commonly assigned U.S. Patent Publication No. 2004/0246278 (“the '278 application), entitled “SYSTEM AND METHOD FOR COMPENSATING FOR VISUAL EFFECTS UPON PANELS HAVING FIXED PATTERN NOISE WITH REDUCED QUANTIZATION ERROR” and incorporated herein by reference, there are techniques that may be employed to reduce or possibly eliminate for these visual effects. For example, a noise pattern may be introduced to the potential effected columns such that known or estimated darkness or brightness produce by such columns are adjusted. For example, if the column in question is slightly darker than those surrounding columns than the darker column may be adjusted to be slightly more ON than its neighbors, slightly more ON than its neighbors.
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