Active matrix display having storage capacitor associated with each pixel transistor

A display device comprising:

• a plurality of source lines over a substrate;
• a plurality of gate lines over said substrate extending across said plurality of the source lines;
• and
• a plurality of pixels over said substrate arranged in a matrix array at intersections of said source lines and gate lines, each of said pixels comprising:
• at least first and second thin film transistors wherein one of source or drain of said first thin film transistor is connected to one of said source lines;
• a pixel electrode connected to source or drain of said second thin film transistor wherein said first and second thin film transistors are electrically connected in series between said pixel electrode and said one of the source lines;
• wherein a portion of said one of the source lines covers at least a portion of said first thin film transistor so that (1) the source or drain of said thin film transistor which is connected to said one of the source lines and (2) at least a part of a channel of said first thin film transistor are light shielded while both of (1) the source or drain of said second thin film transistor which is connected to the pixel electrode and (2) a channel of said second thin film transistor, are not covered by any portion of said one of the source lines.

A liquid crystal device comprising:

• a plurality of source lines over a substrate;
• a plurality of gate lines over said substrate in an orthogonal relation to said plurality of the source lines;
• and
• a plurality of pixels over said substrate arranged in a matrix array at intersections of said source lines and gate lines, each of said pixels comprising:
• at least first and second thin film transistors wherein source or drain of said first thin film transistor is connected to one of said source lines;
• a pixel electrode connected to source or drain of said second thin film transistor wherein said first and second thin film transistors are electrically connected in series between said pixel electrode and said one of the source lines;
• and
• a storage capacitor electrically connected to said second thin film transistor;
• wherein a portion of said one of the source lines covers said first thin film transistor so that said first transistor is light shielded while said second thin film transistor is not covered by any portion of said one of the source lines.

A display device comprising:

• a plurality of source lines over a substrate;
• a plurality of gate lines over said substrate extending across said plurality of the source lines;
• and
• a plurality of pixels over said substrate arranged in a matrix array at intersections of said source lines and gate lines, each of said pixels comprising:
• at least first and second thin film transistors wherein source or drain of said first thin film transistor is connected to one of said source lines;
• a pixel electrode connected to source or drain of said second thin film transistor wherein said pixel electrode is electrically connected to said one of the source lines through at least said first and second thin film transistors;
• and
• wherein a portion of said one of the source lines covers said first thin film transistor so that said first transistor is light shielded while both of (1) the source or drain of said second thin film transistor which is connected to the pixel electrode and (2) a channel of said second thin film transistor, are not covered by any portion of said one of the source lines.

A projection device having a liquid crystal device, said liquid crystal device comprising:

• a plurality of source lines over a substrate;
• a plurality of gate lines over said substrate in an orthogonal relation to said plurality of the source lines;
• and
• a plurality of pixels over said substrate arranged in a matrix array at intersections of said source lines and gate lines, each of said pixels comprising:
• at least first and second thin film transistors wherein source or drain of said first thin film transistor is connected to one of said source lines;
• a pixel electrode connected to source or drain of said second thin film transistor wherein said first and second thin film transistors are electrically connected in series between said pixel electrode and said one of the source lines;
• wherein a portion of said one of the source lines covers said first thin film transistor so that said first transistor is light shielded while said second thin film transistor is not covered by any portion of said one of the source lines.

A projection device having a liquid crystal device, said liquid crystal device comprising:

• a plurality of source lines over a substrate;
• a plurality of gate lines over said substrate in an orthogonal relation to said plurality of the source lines;
• and
• a plurality of pixels over said substrate arranged in a matrix array at intersections of said source lines and gate lines, each of said pixels comprising:
• at least first and second thin film transistors wherein source or drain of said first thin film transistor is connected to one of said source lines;
• a pixel electrode connected to source or drain of said second thin film transistor wherein said first and second thin film transistors are electrically connected in series between said pixel electrode and said one of the source lines;
• wherein a portion of said one of the source lines covers said first thin film transistor so that (1) the source or drain of said first transistor which is connected to said one of the source lines and at least a part of a channel of said first transistor are light shielded while both of (1) the source or drain of said second thin film transistor which is connected to the pixel electrode and (2) a channel of said second thin film transistor, are not covered by any portion of said one of the source lines.