US Patent No: 5,142,405

Number of patents in Portfolio can not be more than 2000

Bistable DMD addressing circuit and method

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ATTORNEY / AGENT: (SPONSORED)
 

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Abstract

Bidirectional operation of the bistable DMD is preferred over unidirectional operation because it eliminates contrast degradation caused by duty-factor effects and permits lower voltage operation. However, bidirectional addressing requires either two drain lines and two transistors per pixel or one drain line and three transistors per pixel. An addressing scheme for bidirectional operation is disclosed that requires only a single drain line and one transistor per pixel. For megapixel DMDs used for high-definition television applications, this addressing scheme dramatically lowers the transistor count, with expected improvements in chip yield and cost.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
TEXAS INSTRUMENTS INCORPORATEDDALLAS, TX17006

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hornbeck, Larry J Van Alstyne, TX 34 11149

Cited Art

Patent Info (Count) # Cites Year
 
TEXAS INSTRUMENTS INCORPORATED (4)
4,566,935 Spatial light modulator and method 477 1984
4,710,732 Spatial light modulator and method 468 1984
4,615,595 Frame addressed spatial light modulator 377 1984
4,662,746 Spatial light modulator and method 471 1985
 
U.S. PHILIPS CORPORATION (3)
4,519,676 Passive display device 232 1983
4,729,636 Passive display device having movable electrodes and method of manufacturing 19 1985
4,723,834 Passive display device 12 1985
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (2)
4,317,611 Optical ray deflection apparatus 175 1980
4,592,628 Mirror array light valve 94 1981
 
CANON KABUSHIKI KAISHA (1)
4,793,699 Projection apparatus provided with an electro-mechanical transducer element 30 1988
 
TRW INC. (1)
4,712,888 Spatial light modulator systems 5 1986

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
QUALCOMM MEMS TECHNOLOGIES, INC. (186)
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7,297,471 Method for manufacturing an array of interferometric modulators 17 2003
7,221,495 Thin film precursor stack for MEMS manufacturing 93 2003
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7,012,726 MEMS devices with unreleased thin film components 65 2003
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7,164,520 Packaging for an interferometric modulator 30 2004
7,250,315 Method for fabricating a structure for a microelectromechanical system (MEMS) device 45 2004
7,893,919 Display region architectures 2 2005
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7,553,684 Method of fabricating interferometric devices using lift-off processing techniques 6 2005
7,417,783 Mirror and mirror layer for optical modulator and method 7 2005
7,373,026 MEMS device fabricated on a pre-patterned substrate 12 2005
7,343,080 System and method of testing humidity in a sealed MEMS device 8 2005
RE40436 Hermetic seal and method to create the same 7 2005
7,304,784 Reflective display device having viewable display on both sides 33 2005
7,161,730 System and method for providing thermal compensation for an interferometric modulator display 78 2005
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7,327,510 Process for modifying offset voltage characteristics of an interferometric modulator 144 2005
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7,684,104 MEMS using filler material and method 7 2005
7,653,371 Selectable capacitance circuit 10 2005
7,415,186 Methods for visually inspecting interferometric modulators for defects 3 2005
7,675,669 Method and system for driving interferometric modulators 2 2005
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7,545,550 Systems and methods of actuating MEMS display elements 1 2005
8,310,441 Method and system for writing data to MEMS display elements 0 2005
7,446,927 MEMS switch with set and latch electrodes 5 2005
7,486,429 Method and device for multistate interferometric light modulation 8 2005
7,236,284 Photonic MEMS and structures 82 2005
7,630,114 Diffusion barrier layer for MEMS devices 1 2005
8,014,059 System and method for charge control in a MEMS device 0 2005
7,776,631 MEMS device and method of forming a MEMS device 6 2005
7,618,831 Method of monitoring the manufacture of interferometric modulators 0 2005
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8,391,630 System and method for power reduction when decompressing video streams for interferometric modulator displays 0 2005
7,795,061 Method of creating MEMS device cavities by a non-etching process 1 2005
7,355,779 Method and system for driving MEMS display elements 1 2006
7,916,980 Interconnect structure for MEMS device 0 2006
7,382,515 Silicon-rich silicon nitrides as etch stops in MEMS manufacture 4 2006
8,194,056 Method and system for writing data to MEMS display elements 0 2006
7,582,952 Method for providing and removing discharging interconnect for chip-on-glass output leads and structures thereof 2 2006
7,547,568 Electrical conditioning of MEMS device and insulating layer thereof 6 2006
7,550,810 MEMS device having a layer movable at asymmetric rates 19 2006
7,450,295 Methods for producing MEMS with protective coatings using multi-component sacrificial layers 40 2006
7,483,197 Photonic MEMS and structures 16 2006
7,616,369 Film stack for manufacturing micro-electromechanical systems (MEMS) devices 11 2006
7,532,377 Movable micro-electromechanical device 28 2006
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7,711,239 Microelectromechanical device and method utilizing nanoparticles 0 2006
7,623,287 Non-planar surface structures and process for microelectromechanical systems 4 2006
7,527,996 Non-planar surface structures and process for microelectromechanical systems 4 2006
7,417,784 Microelectromechanical device and method utilizing a porous surface 42 2006
8,049,713 Power consumption optimized display update 1 2006
7,920,136 System and method of driving a MEMS display device 0 2006
7,706,044 Optical interference display cell and method of making the same 8 2006
7,880,954 Integrated modulator illumination 14 2006
7,369,292 Electrode and interconnect materials for MEMS devices 13 2006
7,349,139 System and method of illuminating interferometric modulators using backlighting 15 2006
8,174,469 Dynamic driver IC and display panel configuration 0 2006
7,161,094 Modifying the electro-mechanical behavior of devices 17 2006
7,372,619 Display device having a movable structure for modulating light and method thereof 74 2006
7,649,671 Analog interferometric modulator device with electrostatic actuation and release 7 2006
7,405,863 Patterning of mechanical layer in MEMS to reduce stresses at supports 3 2006
7,321,457 Process and structure for fabrication of MEMS device having isolated edge posts 60 2006
7,187,489 Photonic MEMS and structures 74 2006
7,636,151 System and method for providing residual stress test structures 0 2006
7,471,442 Method and apparatus for low range bit depth enhancements for MEMS display architectures 4 2006
7,702,192 Systems and methods for driving MEMS display 0 2006
7,835,061 Support structures for free-standing electromechanical devices 4 2006
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7,777,715 Passive circuits for de-multiplexing display inputs 2 2006
7,527,998 Method of manufacturing MEMS devices providing air gap control 10 2006
7,388,704 Determination of interferometric modulator mirror curvature and airgap variation using digital photographs 3 2006
7,534,640 Support structure for MEMS device and methods therefor 13 2006
7,830,586 Transparent thin films 10 2006
7,554,711 MEMS devices with stiction bumps 30 2006
7,763,546 Methods for reducing surface charges during the manufacture of microelectromechanical systems devices 3 2006
7,566,664 Selective etching of MEMS using gaseous halides and reactive co-etchants 24 2006
7,660,058 Methods for etching layers within a MEMS device to achieve a tapered edge 3 2006
7,928,940 Drive method for MEMS devices 0 2006
7,580,172 MEMS device and interconnects for same 4 2006
7,388,697 System and method for addressing a MEMS display 5 2006
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7,652,814 MEMS device with integrated optical element 3 2007
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7,733,552 MEMS cavity-coating layers and methods 3 2007
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7,642,110 Method for fabricating a structure for a microelectromechanical systems (MEMS) device 14 2007
7,570,415 MEMS device and interconnects for same 1 2007
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7,564,613 Microelectromechanical device and method utilizing a porous surface 2 2007
7,532,386 Process for modifying offset voltage characteristics of an interferometric modulator 6 2007
7,623,752 System and method of testing humidity in a sealed MEMS device 4 2008
7,570,865 System and method of testing humidity in a sealed MEMS device 1 2008
7,660,031 Device and method for modifying actuation voltage thresholds of a deformable membrane in an interferometric modulator 2 2008
8,040,588 System and method of illuminating interferometric modulators using backlighting 0 2008
7,688,494 Electrode and interconnect materials for MEMS devices 10 2008
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8,126,297 MEMS device fabricated on a pre-patterned substrate 0 2010
8,164,815 MEMS cavity-coating layers and methods 0 2010
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SILICON LIGHT MACHINES CORPORATION (46)
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7,027,202 Silicon substrate as a light modulator sacrificial layer 52 2003
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TEXAS INSTRUMENTS INCORPORATED (13)
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OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (2)
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