ACTIVE PIXEL SENSOR WITH A DIAGONAL ACTIVE AREA
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Abstract
An imaging device formed as a CMOS semiconductor integrated circuit having two adjacent pixels in a row connected to a common column line. By having adjacent pixels of a row share column lines, the CMOS imager circuit eliminates half the column lines of a traditional imager allowing the fabrication of a smaller imager. The imaging device also may be fabricated to have a diagonal active area to facilitate contact of two adjacent pixels with the single column line and allow linear row select lines, reset lines and column lines.
39 Citations
73 Claims
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1-58. -58. (canceled)
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59. An image sensing device, comprising:
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an array of pixels, each pixel of the array comprising an active sensor area, wherein the array is arranged in rows and columns of the pixels; and wherein the pixels are arranged in the columns and rows such that adjacent pixels share an active area between their associated active sensor areas, each shared active area providing a connection for the associated active sensor areas to a common output contact and being a substantially diagonal shape with respect to the arrangement of the array of pixels. - View Dependent Claims (60, 61)
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62. An image sensing device, comprising:
- a pair of pixels, each pixel of the pair comprising a respective associated active sensor area, wherein the pair of pixels share an active area between their respective associated active sensor areas, the shared active area being shared by the pair of pixels and no other pixels and having a substantially diagonal shape with respect to an arrangement of an array of pixels including the pair of pixels.
- 63. The image sensing device of clam 62, wherein the shared active area provides a connection for the respective associated active sensor areas to a common output contact.
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65. An image sensing device, comprising:
- a pair of pixels, each pixel of the pair comprising a respective associated active sensor area, wherein the pair of pixels share an active area between their respective associated active sensor areas, the shared active area being shared by the pair of pixels and no other pixels and having a two-dimensional shape comprising a first diagonal component extending from one of the respective associated active sensor areas toward a common output and a second diagonal component extending from the other of the respective associated active sensor areas toward the common output, the first and second diagonal components extending toward the common output diagonally with respect to a layout of a pixel array including the pair of pixels.
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66. An image sensing device, comprising:
- a pair of pixels, each pixel of the pair comprising a respective associated active sensor area, wherein the pair of pixels share an active area between their respective associated active sensor areas, the shared active area being shared by the pair of pixels and no other pixels and having two components extending from the respective associated active sensor areas toward a common output to a signal output line, the two components being substantially diagonally shaped with respect to an extending direction of the signal output line.
- View Dependent Claims (67)
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68. An image sensing device, comprising:
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an array of pixels, each of the pixels comprising a respective associated active sensor area, wherein the array is arranged in rows and columns of the pixels; wherein the pixels are arranged in the columns and rows such that adjacent pixels share an active area between their respective associated active sensor areas, each shared active area providing a connection for the respective associated active sensor areas to a common output contact; and wherein at least one of the adjacent pixels further comprises a reset transistor, said reset transistor comprising a gate, a first source/drain region, and a second source/drain region in a linear arrangement as viewed from above the array of pixels, wherein the shared active area between the adjacent pixels has a substantially diagonal shape relative to the linear arrangement of the reset transistor as the array of pixels is viewed from above. - View Dependent Claims (69, 70)
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71. An image sensing device, comprising:
- a pair of pixels, each pixel of the pair comprising a respective associated active sensor area, wherein the pair of pixels share an active area between their respective associated active sensor areas, the shared active area being shared by the pair of pixels and no other pixels, wherein at least one of the pixels of the pair of pixels further comprises a reset transistor, said reset transistor comprising a gate, a first source/drain region, and a second source/drain region in a linear arrangement as viewed from above the pixels, wherein the shared active area of the pair of pixels has a substantially diagonal shape relative to the linear arrangement of the reset transistor as the pair of pixels is viewed from above.
- 72. The image sensing device of clam 71, wherein the shared active area provides a connection for the respective associated active sensor areas to a common output contact.
Specification