Circuits for controlling MEMS display apparatus on a transparent substrate
First Claim
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1. A display apparatus comprising:
- a transparent substrate,an array of pixels including a plurality of MEMS light modulators wherein each pixel includes at least one MEMS light modulator, anda control matrix including,a plurality of scan line interconnects running in a first direction, each enabling a plurality of pixels along the first direction to respond to data voltages; and
a plurality of data interconnects running in a second direction perpendicular to the first direction, each providing data voltages to a plurality of pixels along the second direction; and
for each pixel in the array;
a set of switches comprising a first switch and a second switch directly connected in series, wherein the first switch and second switch are formed on the transparent substrate, and wherein the first switch and second switch together connect an energy source to at least one MEMS light modulator of the respective pixel,a data switch coupled to a corresponding one of the scan line interconnects and a corresponding one of the data interconnects for controlling the state of the at least one MEMS light modulator of the respective pixel.
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Abstract
The invention relates to methods and apparatus for forming images on a display utilizing a control matrix to control the movement of MEMs-based light modulators.
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Citations
44 Claims
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1. A display apparatus comprising:
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a transparent substrate, an array of pixels including a plurality of MEMS light modulators wherein each pixel includes at least one MEMS light modulator, and a control matrix including, a plurality of scan line interconnects running in a first direction, each enabling a plurality of pixels along the first direction to respond to data voltages; and a plurality of data interconnects running in a second direction perpendicular to the first direction, each providing data voltages to a plurality of pixels along the second direction; and for each pixel in the array; a set of switches comprising a first switch and a second switch directly connected in series, wherein the first switch and second switch are formed on the transparent substrate, and wherein the first switch and second switch together connect an energy source to at least one MEMS light modulator of the respective pixel, a data switch coupled to a corresponding one of the scan line interconnects and a corresponding one of the data interconnects for controlling the state of the at least one MEMS light modulator of the respective pixel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 41, 42)
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14. A display apparatus comprising:
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a transparent substrate, an array of pixels including a plurality of MEMS light modulators wherein each pixel includes at least one MEMS light modulator, and a control matrix including, a plurality of scan line interconnects running in a first direction, each enabling a plurality of pixels along the first direction to respond to data voltages; and a plurality of data interconnects running in a second direction perpendicular to the first direction, each providing data voltages to a plurality of pixels along the second direction; and for each pixel in the array; a first switch and a second switch directly connected in series and through which current flows from at least one MEMS light modulator of the respective pixel to a current drain interconnect, wherein the first switch and second switch are formed on the transparent substrate, a data switch coupled to a corresponding one of the scan line interconnects and a corresponding one of the data interconnects for controlling the state of the at least one MEMS light modulator of the respective pixel. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A display apparatus, comprising:
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a transparent substrate, an array of pixels including a plurality of light modulators wherein each pixel includes at least one light modulator, and a control matrix including, a plurality of scan line interconnects running in a first direction, each enabling a plurality of pixels along the first direction to respond to data voltages; and a plurality of data interconnects running in a second direction perpendicular to the first direction, each providing data voltages to a plurality of pixels along the second direction; and for each pixel in the array, a charging cascode connecting an energy source to at least one light modulator of the respective pixel, wherein the charging cascode comprises a first switch and a second switch directly connected in series, a discharging cascode through which current flows from the at least one light modulator of the respective pixel to a current drain interconnect, wherein the charging and discharging cascodes are connected to a common interconnect, and wherein the charging and discharging cascode are formed on the transparent substrate, and a data switch coupled to a corresponding one of the scan line interconnects and a corresponding one of the data interconnects for controlling the state of the at least one light modulator of the respective pixel. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 43, 44)
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Specification