Image display apparatus
View Patent ↗In a light emitting display apparatus requiring power supply lines, excellent uniformity in display luminance is provided over a relatively large screen by disposing at least one of input terminals for the power supply lines between input terminals for signal lines.
1. An image display apparatus comprising:
a display section composed of a plurality of pixels;
a plurality of signal lines for supplying display signals into said plurality of pixels;
a portion of pixel selecting means for selecting ones from among said plurality of pixels to be supplied with said display signals; and
a plurality of power supply lines for supplying display electric powers to said selected ones of said plurality of pixels,
wherein said display section, said plurality of signal lines, said portion of pixel selecting means, and said plurality of power supply lines are disposed on a same substrate,
a plurality of signal input terminals for inputting said display signals to said plurality of signal lines, and a plurality of power supply input terminals for supplying said display electric powers to said plurality of power supply lines are disposed on said same substrate, and
said plurality of power supply input terminals are arranged such that at least one of said plurality of power supply input terminals is disposed between adjacent ones of said plurality of signal input terminals.
2. An image display apparatus according to claim 1 , wherein said plurality of signal input terminals and said plurality of power supply input terminals are arranged substantially in a line.
3. An image display apparatus according to claim 1 , wherein each of said plurality of pixels is provided with one of a plurality of organic light emitting elements driven by a corresponding one of said display electric powers supplied by said plurality of power supply lines.
4. An image display apparatus according to claim 1 , wherein said portion of pixel selecting means comprises polycrystalline Si thin film transistors.
5. An image display apparatus according to claim 1 , wherein said plurality of signal input terminals and said plurality of power supply input terminals are arranged periodically.
6. An image display apparatus according to claim 5 , wherein said plurality of signal input terminals and said plurality of power supply input terminals are arranged alternately.
7. An image display apparatus according to claim 3 , wherein said plurality of organic light emitting elements are divided into a plurality of groups, ones of said plurality of organic light emitting elements belonging to a same one of said plurality of groups have first electrodes thereof connected to a same one of a plurality of common electrode terminals, and said plurality of signal input terminals, said plurality of power supply input terminals, and said plurality of common electrode terminals are arranged periodically.
8. An image display apparatus according to claim 7 , wherein said plurality of common electrode terminals are approximately equal in number to said plurality of power supply input terminals.
9. An image display apparatus according to claim 5 , wherein said plurality of signal input terminals and said plurality of power supply input terminals are disposed above and below said display section.
10. An image display apparatus according to claim 5 , wherein said plurality of signal input terminals and said plurality of power supply input terminals are disposed only above said display section.
11. An image display apparatus according to claim 5 , wherein said plurality of signal input terminals and said plurality of power supply input terminals are disposed above said display section, and said plurality of power supply input terminals, but not said plurality of signal input terminals, are disposed below said display section.
12. An image display apparatus according to claim 1 , wherein a switching means is provided between said plurality of signal input terminals and said plurality of signal lines for selectively connecting one of said plurality of signal input terminals to a corresponding one of said plurality of signal lines.
13. An image display apparatus according to claim 1 , wherein said plurality of power supply lines are connected together in one of inside said display section and in vicinities of said display section.
14. An image display apparatus according to claim 13 , wherein ones of said plurality of power supply lines associated with ones of said plurality of pixels generating a same color are connected together.
15. An image display apparatus according to claim 1 , wherein said plurality of signal input terminals are connected to a driver IC external to said same substrate.
16. An image display apparatus comprising:
a display section composed of a plurality of pixels;
a plurality of signal lines for supplying display signals into said plurality of pixels;
a portion of pixel selecting means for selecting ones from among said plurality of pixels to be supplied with said display signals;
a plurality of power supply lines for supplying display electric powers to said selected ones of said plurality of pixels;
means for storing display data; and
means for generating said display signals from said display data on command,
wherein said display section, said plurality of signal lines, said portion of pixel selecting means, and said plurality of power supply lines are disposed on a same substrate,
a plurality of signal input terminals for inputting said display signals to said plurality of signal lines, and a plurality of power supply input terminals for supplying said display electric powers to said plurality of power supply lines are disposed on said same substrate, and
said plurality of power supply input terminals are arranged such that at least one of said plurality of power supply input terminals is disposed between adjacent ones of said plurality of signal input terminals.