Electro-optical device, matrix substrate, and electronic equipment

Abstract

An electro-optical device according to the present invention includes a pixel area 11 including electro-optical elements driven by power supplied from power-supply circuits 14 - 1 to 14 - 10 . The electro-optical device includes basic power-supply lines 16 - 1 to 16 - 6 , which receive a power-supply voltage output from the power-supply circuits 14 - 1 to 14 - 10 and which are formed on the upper portion of a substrate, and includes main power-supply lines V R , V G , and V B , which intersect the basic power-supply lines 16 - 1 to 16 - 6 and which are formed on the upper portion of the substrate. The power-supply voltage is supplied to the electro-optical elements via the main power-supply lines V R , V G , and V B .

1 . An electro-optical device having a pixel area including electro-optical elements driven by power supplied from power-supply circuits, comprising: 
 basic power-supply lines arranged on the upper portion of a substrate and receiving a power-supply voltage output from the power-supply circuits; and    main power-supply lines arranged on the upper portion of the substrate and intersecting and connecting to the basic power-supply lines;    wherein the electro-optical device supplies the power-supply voltage to the electro-optical elements via the main power-supply lines.    
     
     
         2 . The electro-optical device according to  claim 1 , wherein the main power-supply lines are arranged in a strip pattern in a direction intersecting the basic power-supply lines.  
     
     
         3 . The electro-optical device according to  claim 1  or  2 , wherein the main power-supply lines are substantially orthogonal to the basic power-supply lines.  
     
     
         4 . The electro-optical device according to one of  claims 1  to  3 , wherein the line thickness of the main power-supply lines is smaller than that of the basic power-supply lines.  
     
     
         5 . The electro-optical device according to one of  claims 1  to  4 , wherein the basic power-supply lines are arranged on the outside edges of the pixel area and the main power-supply lines are arranged in a direction intersecting the basic power-supply lines.  
     
     
         6 . The electro-optical device according to one of  claims 1  to  5 , wherein the basic power-supply lines are symmetrically arranged in pairs on the outside edges of the pixel area.  
     
     
         7 . The electro-optical device according to one of  claims 1  to  6 , wherein the main power-supply lines are arranged with substantially equal pitch.  
     
     
         8 . The electro-optical device according to one of  claims 1  to  7 , further comprising auxiliary power-supply lines intersecting the main power-supply lines.  
     
     
         9 . The electro-optical device according to  claim 8 , wherein the auxiliary power-supply lines are arranged in a strip pattern in a direction intersecting the main power-supply lines.  
     
     
         10 . The electro-optical device according to  claim 8  or  9 , wherein the auxiliary power-supply lines are substantially orthogonal to the main power-supply lines.  
     
     
         11 . The electro-optical device according to one of  claims 1  to  10  having a power-supply wiring arrangement, wherein the electro-optical elements are disposed on the pixel area and the pixel area is sectioned into a plurality of pixel groups each including at least one of the electro-optical elements, and wherein the pixel groups receive power from different power-supply circuits.  
     
     
         12 . The electro-optical device according to one of  claims 1  to  11 , wherein the power-supply circuits are built-in driver IC chips bonded onto the substrate while enclosed in tape carrier packages.  
     
     
         13 . The electro-optical device according.to one of  claims 1  to  12 , further comprising scanning lines for selecting a group of electro-optical elements lined up in one direction and scanning line drivers for simultaneously driving at least two of the scanning lines.  
     
     
         14 . The electro-optical device according to  claim 12  or  13 , further comprising data lines for transmitting data signals regulating the gradation of the light emitted from the electro-optical elements, wherein the data signals are supplied from the driver IC chips.  
     
     
         15 . The electro-optical device according to  claim 14 , further comprising analog switches for switching the data signals sent from the driver IC chips to the data lines.  
     
     
         16 . An electro-optical device, comprising electro-optical elements on a substrate driven by receiving power from power-supply circuits, and 
 external driver circuits on the edges of the substrate for driving and controlling the electro-optical elements,    wherein pixel groups including the electro-optical elements are driven and controlled by respective driver circuits.    
     
     
         17 . The electro-optical device according to  claim 16 , wherein the driver circuits are driver IC chips enclosed in tape carrier packages.  
     
     
         18 . The electro-optical device according to  claim 17 , wherein the driver IC chips are data line drivers.  
     
     
         19 . The electro-optical device according to one of  claims 1  to  18 , wherein the electro-optical elements are electro-luminescence elements.  
     
     
         20 . An electronic apparatus having the electro-optical device according to one of  claims 1  to  19 .  
     
     
         21 . A matrix substrate having a pixel area for arranging electro-optical elements driven by receiving power supplied from power-supply circuits, comprising: 
 basic power-supply lines arranged on the upper portion of the substrate and receiving a power-supply voltage output from the power-supply circuits;    main power-supply lines arranged on the upper portion of the substrate and intersecting and connecting to the basic power-supply lines;    wherein the main power-supply lines supply the power-supply voltage to the electro-optical elements.    
     
     
         22 . The matrix substrate according to  claim 21 , wherein the main power-supply lines are arranged in a strip pattern in a direction intersecting the basic power-supply lines.  
     
     
         23 . The matrix substrate according to  claim 21  or  22 , wherein the main power-supply lines are substantially orthogonal to the basic power-supply lines.  
     
     
         24 . The matrix substrate according to one of  claims 21  to  23 , wherein the line thickness of the main power-supply lines is smaller than that of the basic power-supply lines.  
     
     
         25 . The matrix substrate according to one of  claims 21  to  24 , wherein the basic power-supply lines are arranged on the outside edges of the pixel area and the main power-supply lines are arranged in a direction intersecting the basic power-supply lines.  
     
     
         26 . The matrix substrate according to one of  claims 21  to  25 , wherein the basic power-supply lines are symmetrically arranged in pairs on the outside edges of the pixel area.  
     
     
         27 . The matrix substrate according to one of  claims 21  to  26 , wherein the main power-supply lines are arranged with substantially equal pitch.  
     
     
         28 . The matrix substrate according to one of claims  21  to  27 , further comprising auxiliary power-supply lines intersecting the main power-supply lines.  
     
     
         29 . The matrix substrate according to  claim 28 , wherein the auxiliary power-supply lines are arranged in a strip pattern in a direction intersecting the main power-supply lines.  
     
     
         30 . The matrix substrate according to  claim 28  or  29 , wherein the auxiliary power-supply lines are substantially orthogonal to the main power-supply lines.  
     
     
         31 . The matrix substrate according to one of  claims 21  to  30  having a power-supply wiring arrangement, wherein the electro-optical elements are disposed on the pixel area and the pixel area is sectioned into a plurality of pixel groups each including at least one of the electro-optical elements, and wherein the pixel groups receive power from different power-supply circuits.