Electro-optical module, power supply substrate, wiring substrate, and electronic apparatus
This invention provides an electro-optical module with reduced noise in driving voltage. The invention can include a power supply substrate that is arranged separately from the flexible substrate having a driver, so that the noise of the driving voltage supplied from the power supply substrate is reduced.
1. An electro-optical display panel device comprising:
a display panel;
a flexible wiring substrate connected to the display panel, a bend of approximately 180 degrees being formed in the flexible wiring substrate back towards the display panel;
a driver integrated circuit; and
a power supply substrate electrically connected to the flexible wiring substrate, the power supply substrate also being approximately parallel to a rear side of the display panel, the power supply substrate comprising a plurality of conductive layers, each respective pair of conductive layers separated by an insulating layer in at least some regions,
wherein the electro-optical display panel device is configured such that at least a first driving voltage passes from the power supply substrate through a connector to the flexible wiring substrate, further wherein the first driving voltage passes through a wiring in the flexible wiring substrate, further wherein the first driving voltage does not pass through the driver integrated circuit, the driver integrated circuit driving a data line on the display panel, wherein the display panel includes a scanning line driving circuit, and wherein the first driving voltage is supplied to the scanning line driving circuit.
2. The electro-optical display panel device of claim 1 , wherein the display panel is a liquid crystal display panel.
3. The electro-optical display panel device of claim 1 , wherein the driver integrated circuit is physically positioned between a portion of the flexible wiring substrate and the display panel.
4. The electro-optical display panel device of claim 1 , wherein the connector is a detachable connector.
5. The electro-optical display panel device of claim 1 , wherein the first driving voltage is also supplied to one or more electro-optical elements.
6. The electro-optical display panel device of claim 1 , wherein the driver integrated circuit is on the flexible wiring substrate.
7. The electro-optical display panel device of claim 1 , wherein a second driving voltage to the display panel passes through a wiring in the flexible wiring substrate which does not pass through the driver integrated circuit.
8. The electro-optical display panel device of claim 7 , wherein the second driving voltage is supplied to the scanning line driving circuit.
9. The electro-optical display panel device of claim 8 , wherein the second driving voltage is also supplied to one or more electro-optical elements.
10. The electro-optical display panel device of claim 1 , wherein the first driving voltage is one of a power supply voltage or a ground potential.
11. The electro-optical display panel device of claim 7 , wherein the second driving voltage is one of a power supply voltage or a ground potential.
12. The electro-optical display panel device of claim 1 , wherein the power supply substrate is not directly attached to the flexible wiring substrate, but is electrically connected to the flexible wiring substrate via the connector.
13. The electro-optical display panel device of claim 12 , wherein the connector is a detachable connector.
14. The electro-optical display panel device of claim 1 , further comprising a personal computer apparatus incorporating the display panel.
15. The electro-optical display panel device of claim 1 , further comprising a picture telephone apparatus incorporating the display panel.
16. An electro-optical display panel device comprising:
display panel;
a flexible wiring substrate connected to the display panel;
a driver integrated circuit on the flexible wiring substrate; and
a power supply substrate electrically connected to the flexible wiring substrate, the power supply substrate also being approximately parallel to a rear side of the display panel, the power supply substrate comprising a plurality of conductive layers, each respective pair of conductive layers separated by an insulating layer in at least some regions,
wherein the electro-optical display panel device is configured such that at least a first driving voltage passes from the power supply substrate through a connector to the flexible wiring substrate and does not pass through the driver integrated circuit to a scanning line driving circuit on the display panel, the driver integrated circuit driving a data line on the display panel, and wherein the first driving voltage is supplied to the scanning line driving circuit.
17. The electro-optical display panel device of claim 16 , wherein the connector is a detachable connector.
18. The electro-optical display panel device of claim 16 , wherein the first driving voltage is also supplied to one or more electro-optical elements.
19. The electro-optical display panel device of claim 16 , wherein a second driving voltage to the display panel passes through a wiring in the flexible wiring substrate which does not pass through the driver integrated circuit.
20. The electro-optical display panel device of claim 19 , wherein the second driving voltage is supplied to the scanning line driving circuit.
21. The electro-optical display panel device of claim 20 , wherein the second driving voltage is also supplied to one or more electro-optical elements.
22. The electro-optical display panel device of claim 16 , wherein the first driving voltage is one of a power supply voltage or a ground potential.
23. The electro-optical display panel device of claim 19 , wherein the second driving voltage is one of a power supply voltage or a ground potential.
24. The electro-optical display panel device of claim 16 , wherein the power supply substrate is not directly attached to the flexible wiring substrate, but is electrically connected to the flexible wiring substrate via the connector.
25. The electro-optical display panel device of claim 24 , wherein the connector is a detachable connector.
26. The electro-optical display panel device of claim 16 , wherein the power supply substrate is fixed to a frame above the rear side of the display panel via a hole formed in a protrusion of the frame which extends above a nearby surface of the frame.
27. The electro-optical display panel device of claim 16 , further comprising a television apparatus incorporating the display panel.
28. The electro-optical display panel device of claim 16 , further comprising a personal computer apparatus incorporating the display panel.
29. An electro-optical display panel device comprising:
a display panel;
a flexible wiring substrate connected to the display panel, a bend of approximately 180 degrees being formed in the flexible wiring substrate back towards the display panel;
a driver integrated circuit; and
a power supply substrate electrically connected to the flexible wiring substrate, the power supply substrate also being approximately parallel to a rear side of the display panel, the power supply substrate comprising a plurality of conductive layers, each respective pair of conductive layers separated by an insulating layer in at least some regions,
wherein the electro-optical display panel device is configured such that at least a first driving voltage passes from the power supply substrate through a connector to the flexible wiring substrate, further wherein the first driving voltage passes through a wiring in the flexible wiring substrate, further wherein the first driving voltage does not pass through the driver integrated circuit, the driver integrated circuit driving a data line on the display panel, and wherein the first driving voltage is supplied to a scanning line driving circuit.
30. The electro-optical display panel device of claim 1 , wherein the display panel is an organic light emitting display panel.
31. The electro-optical display panel device of claim 16 , wherein the display panel is an organic light emitting display panel.
32. The electro-optical display panel device of claim 29 , wherein the display panel is an organic light emitting display panel.