3 transistors 4 shared step and repeat unit cell and 3 transistors 4 shared image sensor including the unit cells
First Claim
1. A 3T-4S step &
- repeat unit cell comprising;
a first photodiode (0, 0);
a second photodiode (1, 1) disposed in a diagonal direction of the first photodiode;
a third photodiode (1, 2) disposed at a side of the second photodiode; and
a fourth photodiode (2, 1) disposed over the second photodiode,wherein a first shared image sensor unit cell is constructed by combining the first and second photodiodes with four transistors, and a second shared image sensor unit cell is constructed by combining the third and fourth photodiodes with four transistors, andwherein signals corresponding to images incident onto the first and second photodiodes are output through a first common detection line OUT1, signals corresponding to images incident onto the third and fourth photodiodes are output through a second common detection line OUT2, and a terminal of each of the four photodiodes is connected to a first voltage source.
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Accused Products
Abstract
A 3T-4S step & repeat unit cell obtained by combining four image sensor unit cells each including three transistors and a 3T-4S image sensor including the 3T-4S step & repeat unit cell are provided. The 3T-4S step & repeat unit cell includes first to fourth photodiodes. A first shared image sensor unit cell is obtained by combining the first and second photodiodes with four transistors. A second shared image sensor unit cell is obtained by combining the third and fourth photodiodes with four transistors. Signals corresponding to images incident onto the first and second photodiodes are output through a first common detection line. Signals corresponding to images incident onto the third and fourth photodiodes are output through a second common detection line. A terminal of each of the four photodiodes is connected to a first voltage source. Conversion voltages corresponding to image signals incident onto two photodiodes via green filters are output through a common detection line. Conversion voltages corresponding to image signals incident onto the other two photodiodes via red and blue filters are output through another common detection line.
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Citations
20 Claims
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1. A 3T-4S step &
- repeat unit cell comprising;
a first photodiode (0, 0); a second photodiode (1, 1) disposed in a diagonal direction of the first photodiode; a third photodiode (1, 2) disposed at a side of the second photodiode; and a fourth photodiode (2, 1) disposed over the second photodiode, wherein a first shared image sensor unit cell is constructed by combining the first and second photodiodes with four transistors, and a second shared image sensor unit cell is constructed by combining the third and fourth photodiodes with four transistors, and wherein signals corresponding to images incident onto the first and second photodiodes are output through a first common detection line OUT1, signals corresponding to images incident onto the third and fourth photodiodes are output through a second common detection line OUT2, and a terminal of each of the four photodiodes is connected to a first voltage source. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- repeat unit cell comprising;
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11. A 3T-4S step &
- repeat unit cell comprising;
a first photodiode (0, 0); a second photodiode (1, 0) disposed over the first photodiode; a third photodiode (1, 1) disposed at a side of the second photodiode; and a fourth photodiode (2, 1) disposed over the third photodiode, wherein a first shared image sensor unit cell is constructed by combining the first and third photodiodes (0, 0) and (1, 1) with four transistors, and a second shared image sensor unit cell is constructed by combining the second and fourth photodiodes (1, 0) and (2, 1) with four transistors, and wherein signals corresponding to images incident onto the second and fourth photodiodes (1, 0) and (2, 1) are output through a first common detection line OUT1, signals corresponding to images incident onto the first and third photodiodes (0, 0) and (1, 1) are output through a second common detection line OUT2, and a terminal of each of the four photodiodes is connected to a first voltage source. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
- repeat unit cell comprising;
Specification