US Patent No: 7,196,837

Number of patents in Portfolio can not be more than 2000

Area array modulation and lead reduction in interferometric modulators

ALSO PUBLISHED AS: 20050231791

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Abstract

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A light modulator is arranged as array of rows and columns of interferometric display elements. Each element is divided into sub-rows of sub-elements. Array connection lines transmit operating signals to the display elements, with one connection line corresponding to one row of display elements in the array. Sub-array connection lines electrically connect to each array connection line. Switches transmit the operating signals from each array connection line to the sub-rows to effect gray scale modulation.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
QUALCOMM MEMS TECHNOLOGIES, INC.SAN DIEGO, CA666

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chui, Clarence San Jose, CA 319 5370
Kothari, Manish Cupertino, CA 308 3798
Sampsell, Jeffrey Brian San Francisco, CA 31 883

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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4,710,732 Spatial light modulator and method 487 1984
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4,615,595 Frame addressed spatial light modulator 393 1984
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5,079,544 Standard independent digitized video system 345 1989
5,028,939 Spatial light modulator system 390 1989
4,954,789 Spatial light modulator 563 1989
5,037,173 Optical interconnection network 316 1989
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5,083,857 Multi-level deformable mirror device 530 1990
5,142,405 Bistable DMD addressing circuit and method 337 1990
5,061,049 Spatial light modulator and method 730 1990
5,192,395 Method of making a digital flexure beam accelerometer 203 1990
5,096,279 Spatial light modulator and method 506 1990
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5,162,787 Apparatus and method for digitized video system utilizing a moving display surface 248 1991
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5,214,419 Planarized true three dimensional display 256 1991
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5,168,406 Color deformable mirror device and method for manufacture 280 1991
5,254,980 DMD display system controller 240 1991
5,563,398 Spatial light modulator scanning system 201 1991
5,233,385 White light enhanced color field sequential projection 372 1991
5,233,456 Resonant mirror and method of manufacture 302 1991
5,216,537 Architecture and process for integrating DMD with control circuit substrates 378 1992
5,331,454 Low reset voltage process for DMD 346 1992
5,296,950 Optical signal free-space conversion board 228 1992
5,231,532 Switchable resonant filter for optical radiation 243 1992
5,212,582 Electrostatically controlled beam steering device and method 344 1992
5,312,513 Methods of forming multiple phase light modulators 275 1992
5,172,262 Spatial light modulator and method 386 1992
5,305,640 Digital flexure beam accelerometer 189 1992
5,446,479 Multi-dimensional array video processor system 251 1992
5,818,095 High-yield spatial light modulator with light blocking layer 307 1992
5,272,473 Reduced-speckle display system 286 1992
5,327,286 Real time optical correlation system 273 1992
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5,489,952 Method and device for multi-format television 330 1993
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5,457,493 Digital micro-mirror based image simulation system 323 1993
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5,339,116 DMD architecture and timing for use in a pulse-width modulated display system 288 1993
5,526,051 Digital television system 263 1993
5,459,602 Micro-mechanical optical shutter 217 1993
5,452,024 DMD display system 420 1993
5,497,197 System and method for packaging data into video processor 232 1993
5,517,347 Direct view deformable mirror device 302 1993
5,583,688 Multi-level digital micromirror device 465 1993
5,448,314 Method and apparatus for sequential color imaging 409 1994
5,602,671 Low surface energy passivation layer for micromechanical devices 275 1994
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5,444,566 Optimized electronic operation of digital micromirror devices 358 1994
5,665,997 Grated landing area to eliminate sticking of micro-mechanical devices 300 1994
5,526,688 Digital flexure beam accelerometer and method 209 1994
5,523,803 DMD architecture and timing for use in a pulse-width modulated display system 281 1994
6,061,075 Non-systolic time delay and integration printing 182 1994
5,497,172 Pulse width modulation for spatial light modulator with split reset addressing 309 1994
5,454,906 Method of providing sacrificial spacer for micro-mechanical devices 281 1994
5,499,062 Multiplexed memory timing with block reset and secondary memory 261 1994
5,548,301 Pixel control circuitry for spatial light modulator 250 1994
5,650,881 Support post architecture for micromechanical devices 261 1994
5,552,924 Micromechanical device having an improved beam 246 1994
5,610,624 Spatial light modulator with reduced possibility of an on state defect 202 1994
5,659,374 Method of repairing defective pixels 206 1994
5,612,713 Digital micro-mirror device with block data loading 69 1995
5,567,334 Method for creating a digital micromirror device using an aluminum hard mask 241 1995
6,049,317 System for imaging of light-sensitive media 252 1995
5,610,438 Micro-mechanical device with non-evaporable getter 295 1995
5,515,076 Multi-dimensional array video processor system 247 1995
6,232,936 DMD Architecture to improve horizontal resolution 212 1995
5,535,047 Active yoke hidden hinge digital micromirror device 463 1995
5,619,365 Elecronically tunable optical periodic surface filters with an alterable resonant frequency 235 1995
5,619,366 Controllable surface filter 230 1995
5,551,293 Micro-machined accelerometer array with shield plane 221 1995
5,570,135 Method and device for multi-format television 227 1995
5,589,852 Apparatus and method for image projection with pixel intensity control 276 1995
5,597,736 High-yield spatial light modulator with light blocking layer 248 1995
5,600,383 Multi-level deformable mirror device with torsion hinges placed in a layer different from the torsion beam layer 404 1995
5,608,468 Method and device for multi-format television 248 1995
5,610,625 Monolithic spatial light modulator and memory package 185 1995
5,646,768 Support posts for micro-mechanical devices 304 1995
5,745,193 DMD architecture and timing for use in a pulse-width modulated display system 221 1995
6,099,132 Manufacture method for micromechanical devices 208 1995
6,447,126 Support post architecture for micromechanical devices 327 1995
5,657,099 Color phase control for projection display using spatial light modulator 208 1995
5,654,741 Spatial light modulator display pointing device 193 1995
5,784,212 Method of making a support post for a micromechanical device 235 1996
5,771,116 Multiple bias level reset waveform for enhanced DMD control 286 1996
5,842,088 Method of calibrating a spatial light modulator printing system 257 1997
5,808,780 Non-contacting micromechanical optical switch 230 1997
5,912,758 Bipolar reset for spatial light modulators 205 1998
6,480,177 Blocked stepped address voltage for micromechanical devices 193 1998
6,028,690 Reduced micromirror mirror gaps for improved contrast ratio 289 1998
6,282,010 Anti-reflective coatings for spatial light modulators 289 1999
6,323,982 Yield superstructure for digital micromirror device 263 1999
6,295,154 Optical switching apparatus 298 1999
6,147,790 Spring-ring micromechanical device 240 1999
6,038,056 Spatial light modulator having improved contrast ratio 263 1999
6,473,274 Symmetrical microactuator structure for use in mass data storage devices, or the like 193 2000
6,549,338 Bandpass filter to reduce thermal impact of dichroic light shift 212 2000
6,552,840 Electrostatic efficiency of micromechanical devices 236 2000
6,466,358 Analog pulse width modulation cell for digital micromechanical device 214 2000
6,778,155 Display operation with inserted block clears 182 2001
6,643,069 SLM-base color projection display having multiple SLM's and multiple projection lenses 221 2001
6,775,174 Memory architecture for micromirror cell 181 2001
6,625,047 Micromechanical memory element 255 2001
6,741,503 SLM display data address mapping for four bank frame buffer 181 2002
 
QUALCOMM MEMS TECHNOLOGIES, INC. (16)
5,835,255 Visible spectrum modulator arrays 506 1994
6,040,937 Interferometric modulation 637 1996
5,986,796 Visible spectrum modulator arrays 487 1996
6,674,562 Interferometric modulation of radiation 676 1998
6,055,090 Interferometric modulation 452 1999
6,589,625 Hermetic seal and method to create the same 287 2001
6,867,896 Interferometric modulation of radiation 396 2001
6,680,792 Interferometric modulation of radiation 512 2001
6,650,455 Photonic mems and structures 508 2001
2002/0075,555 Interferometric modulation of radiation 419 2001
6,794,119 Method for fabricating a structure for a microelectromechanical systems (MEMS) device 390 2002
6,710,908 Controlling micro-electro-mechanical cavities 345 2002
6,574,033 Microelectromechanical systems device and method for fabricating same 455 2002
6,741,377 Device having a light-absorbing mask and a method for fabricating same 283 2002
2004/0058,532 Controlling electromechanical behavior of structures within a microelectromechanical systems device 286 2002
2004/0240,032 Interferometric modulation of radiation 305 2004
 
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. (13)
6,862,029 Color display system 196 1999
6,859,218 Electronic display devices and methods 182 2000
6,862,022 Method and system for automatically selecting a vertical refresh rate for a video display monitor 209 2001
6,632,698 Microelectromechanical device having a stiffened support beam, and methods of forming stiffened support beams in MEMS 274 2001
2003/0202,264 Micro-mirror device 202 2002
6,747,785 MEMS-actuated color light modulator and methods 215 2002
6,666,561 Continuously variable analog micro-mirror device 229 2002
2004/0147,056 Micro-fabricated device and method of making 191 2003
6,829,132 Charge control of micro-electromechanical device 211 2003
6,811,267 Display system with nonvisible data projection 225 2003
2005/0057,442 Adjacent display of sequential sub-images 204 2003
2005/0068,583 Organizing a digital image 178 2003
2004/0212,026 MEMS device having time-varying control 179 2004
 
CANON KABUSHIKI KAISHA (6)
4,709,995 Ferroelectric display panel and driving method therefor to achieve gray scale 225 1985
5,633,652 Method for driving optical modulation device 137 1995
6,100,872 Display control method and apparatus 180 1997
6,630,786 Light-emitting device having light-reflective layer formed with, or/and adjacent to, material that enhances device performance 192 2001
6,822,628 Methods and systems for compensating row-to-row brightness variations of a field emission display 191 2001
6,853,129 Protected substrate structure for a field emission display device 186 2003
 
XEROX CORPORATION (6)
6,160,833 Blue vertical cavity surface emitting laser 204 1998
6,180,428 Monolithic scanning light emitting devices using micromachining 186 1998
6,201,633 Micro-electromechanical based bistable color display sheets 270 1999
6,545,335 Structure and method for electrical isolation of optoelectronic integrated circuits 193 1999
6,548,908 Structure and method for planar lateral oxidation in passive devices 182 1999
6,674,090 Structure and method for planar lateral oxidation in active 167 1999
 
LUCENT TECHNOLOGIES INC. (4)
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U.S. Philips Corporation (4)
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SHARP LABORATORIES OF AMERICA, INC. (3)
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LOCKHEED MARTIN CORPORATION (2)
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MASSACHUSETTS INSTITUTE OF TECHNOLOGY (2)
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Other [Check patent profile for assignment information] (3)
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Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
QUALCOMM MEMS TECHNOLOGIES, INC. (21)
7,532,194 Driver voltage adjuster 4 2004
7,889,163 Drive method for MEMS devices 18 2005
7,843,410 Method and device for electrically programmable display 6 2005
7,345,805 Interferometric modulator array with integrated MEMS electrical switches 6 2005
7,724,993 MEMS switches with deforming membranes 2 2005
7,545,550 Systems and methods of actuating MEMS display elements 4 2005
7,446,927 MEMS switch with set and latch electrodes 6 2005
8,174,469 Dynamic driver IC and display panel configuration 0 2006
7,724,417 MEMS switches with deforming membranes 0 2006
7,556,981 Switches for shorting during MEMS etch release 1 2006
8,022,896 ESD protection for MEMS display panels 0 2007
7,859,739 Interferometric modulator array with integrated MEMS electrical switches 0 2008
7,977,931 Family of current/power-efficient high voltage linear regulator circuit architectures 0 2008
7,768,690 Backlight displays 8 2008
7,782,522 Encapsulation methods for interferometric modulator and MEMS devices 0 2008
7,911,677 MEMS switch with set and latch electrodes 0 2008
8,736,590 Low voltage driver scheme for interferometric modulators 0 2010
8,223,424 Interferometric modulator array with integrated MEMS electrical switches 0 2010
8,693,084 Interferometric modulator in transmission mode 0 2012
8,437,071 Interferometric modulator array with integrated MEMS electrical switches 0 2012
8,791,897 Method and system for writing data to MEMS display elements 0 2012
 
PIXTRONIX, INC. (5)
8,482,496 Circuits for controlling MEMS display apparatus on a transparent substrate 0 2007
8,519,945 Circuits for controlling display apparatus 0 2007
8,526,096 Mechanical light modulators with stressed beams 0 2009
8,519,923 Display methods and apparatus 0 2012
8,599,463 MEMS anchors 0 2012

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