Liquid-crystal display device having a shield shielding an electromagnetic wave radiated from one of a driver and an electrode lead-out line
View Patent ↗A liquid-crystal display device is provided. The liquid-crystal display device comprises a first substrate having a pixel electrode, a signal line, a scanning line, and a driver driving one of the signal line and the scanning line, a second substrate opposing the first substrate and having a common electrode, a liquid-crystal layer formed between the pixel electrode and the common electrode, and a first shield placed opposite the driver so as to shield an electromagnetic wave radiated from the driver.
1. A liquid-crystal display device comprising:
a first substrate having a pixel electrode, a signal line, a scanning line, and a driver driving one of said signal line and said scanning line;
a second substrate having a common electrode, the second substrate opposing said first substrate;
a liquid-crystal layer formed between said pixel electrode and said common electrode; and
a first shield placed opposite said driver and electrically connected to said driver so as to shield an electromagnetic wave radiated from said driver.
2. The liquid-crystal display device as claimed in claim 1 , wherein said first shield is formed on said second substrate.
3. The liquid-crystal display device as claimed in claim 1 , wherein said first shield is formed on a third substrate separate from said first substrate and said second substrate.
4. The liquid-crystal display device as claimed in claim 2 , further comprising:
an electrode lead-out line formed on said first substrate so as to input and output a signal to and from said driver; and
a second shield formed on a third substrate placed opposite said electrode lead-out line so as to shield an electromagnetic wave radiated from said electrode lead-out line, the third substrate being separate from said first substrate and said second substrate.
5. A liquid-crystal display device comprising:
a first substrate having a pixel electrode, a signal line, a scanning line, a driver driving one of said signal line and said scanning line, and an electrode lead-out line used for inputting and outputting a signal to and from said driver;
a second substrate having a common electrode, the second substrate opposing said first substrate;
a liquid-crystal layer formed between said pixel electrode and said common electrode; and
a first shield placed opposite said electrode lead-out line and electrically connected to said electrode lead-out line so as to shield an electromagnetic wave radiated from said electrode lead-out line.
6. The liquid-crystal display device as claimed in claim 5 , wherein said first shield is formed on a third substrate separate from said first substrate and said second substrate.
7. The liquid-crystal display device as claimed in claim 6 , further comprising a second shield formed on a fourth substrate placed opposite said driver so as to shield an electromagnetic wave radiated from said driver.
8. A liquid-crystal display device comprising:
a first substrate having a pixel electrode, a signal line, a scanning line, a driver driving one of said signal line and said scanning line, and an electrode lead-out line used for inputting and outputting a signal to and from said driver;
a second substrate having a common electrode, the second substrate opposing said first substrate;
a liquid-crystal layer formed between said pixel electrode and said common electrode; and
a shield formed unitarily on a third substrate placed opposite said driver and said electrode lead-out line and electrically connected to said driver and said electrode lead-outline, so as to shield electromagnetic waves radiated from said driver and said electrode lead-out line, the third substrate being separate from said first substrate and said second substrate.
9. The liquid-crystal display device as claimed in claim 1 , further comprising a voltage supplier electrically connecting said first shield with said first substrate so as to supply a predetermined voltage to said first shield.
10. The liquid-crystal display device as claimed in claim 5 , further comprising a voltage supplier electrically connecting said first shield with said first substrate so as to supply a predetermined voltage to said first shield.
11. The liquid-crystal display device as claimed in claim 8 , further comprising a voltage supplier electrically connecting said shield with said first substrate so as to supply a predetermined voltage to said shield.
12. The liquid-crystal display device as claimed in claim 1 , wherein said first shield is formed of a same material as said common electrode.
13. The liquid-crystal display device as claimed in claim 5 , wherein said first shield is formed of a same material as said common electrode.
14. The liquid-crystal display device as claimed in claim 8 , wherein said shield is formed of a same material as said common electrode.
15. The liquid-crystal display device as claimed in claim 1 , wherein said first shield is formed of one of aluminum and titanium.
16. The liquid-crystal display device as claimed in claim 5 , wherein said first shield is formed of one of aluminum and titanium.
17. The liquid-crystal display device as claimed in claim 8 , wherein said shield is formed of one of aluminum and titanium.