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, CA643

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chui, Clarence San Jose, CA 317 5081
Kothari, Manish Cupertino, CA 304 3533
Sampsell, Jeffrey Brian San Francisco, CA 30 832

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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5,028,939 Spatial light modulator system 383 1989
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5,061,049 Spatial light modulator and method 725 1990
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5,563,398 Spatial light modulator scanning system 196 1991
5,233,385 White light enhanced color field sequential projection 365 1991
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5,216,537 Architecture and process for integrating DMD with control circuit substrates 374 1992
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5,296,950 Optical signal free-space conversion board 224 1992
5,231,532 Switchable resonant filter for optical radiation 238 1992
5,212,582 Electrostatically controlled beam steering device and method 341 1992
5,312,513 Methods of forming multiple phase light modulators 270 1992
5,172,262 Spatial light modulator and method 382 1992
5,305,640 Digital flexure beam accelerometer 185 1992
5,446,479 Multi-dimensional array video processor system 247 1992
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5,272,473 Reduced-speckle display system 282 1992
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5,452,024 DMD display system 414 1993
5,497,197 System and method for packaging data into video processor 228 1993
5,517,347 Direct view deformable mirror device 296 1993
5,583,688 Multi-level digital micromirror device 456 1993
5,448,314 Method and apparatus for sequential color imaging 403 1994
5,602,671 Low surface energy passivation layer for micromechanical devices 270 1994
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5,444,566 Optimized electronic operation of digital micromirror devices 354 1994
5,665,997 Grated landing area to eliminate sticking of micro-mechanical devices 294 1994
5,526,688 Digital flexure beam accelerometer and method 205 1994
5,523,803 DMD architecture and timing for use in a pulse-width modulated display system 277 1994
6,061,075 Non-systolic time delay and integration printing 178 1994
5,497,172 Pulse width modulation for spatial light modulator with split reset addressing 304 1994
5,454,906 Method of providing sacrificial spacer for micro-mechanical devices 277 1994
5,499,062 Multiplexed memory timing with block reset and secondary memory 256 1994
5,548,301 Pixel control circuitry for spatial light modulator 246 1994
5,650,881 Support post architecture for micromechanical devices 257 1994
5,552,924 Micromechanical device having an improved beam 242 1994
5,610,624 Spatial light modulator with reduced possibility of an on state defect 198 1994
5,659,374 Method of repairing defective pixels 202 1994
5,612,713 Digital micro-mirror device with block data loading 68 1995
5,567,334 Method for creating a digital micromirror device using an aluminum hard mask 236 1995
6,049,317 System for imaging of light-sensitive media 246 1995
5,610,438 Micro-mechanical device with non-evaporable getter 290 1995
5,515,076 Multi-dimensional array video processor system 243 1995
6,232,936 DMD Architecture to improve horizontal resolution 208 1995
5,535,047 Active yoke hidden hinge digital micromirror device 455 1995
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5,551,293 Micro-machined accelerometer array with shield plane 217 1995
5,570,135 Method and device for multi-format television 221 1995
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5,597,736 High-yield spatial light modulator with light blocking layer 242 1995
5,600,383 Multi-level deformable mirror device with torsion hinges placed in a layer different from the torsion beam layer 397 1995
5,608,468 Method and device for multi-format television 243 1995
5,610,625 Monolithic spatial light modulator and memory package 181 1995
5,646,768 Support posts for micro-mechanical devices 298 1995
5,745,193 DMD architecture and timing for use in a pulse-width modulated display system 217 1995
6,099,132 Manufacture method for micromechanical devices 204 1995
6,447,126 Support post architecture for micromechanical devices 323 1995
5,657,099 Color phase control for projection display using spatial light modulator 204 1995
5,654,741 Spatial light modulator display pointing device 188 1995
5,784,212 Method of making a support post for a micromechanical device 231 1996
5,771,116 Multiple bias level reset waveform for enhanced DMD control 280 1996
5,842,088 Method of calibrating a spatial light modulator printing system 252 1997
5,808,780 Non-contacting micromechanical optical switch 227 1997
5,912,758 Bipolar reset for spatial light modulators 201 1998
6,480,177 Blocked stepped address voltage for micromechanical devices 189 1998
6,028,690 Reduced micromirror mirror gaps for improved contrast ratio 283 1998
6,282,010 Anti-reflective coatings for spatial light modulators 281 1999
6,323,982 Yield superstructure for digital micromirror device 259 1999
6,295,154 Optical switching apparatus 292 1999
6,147,790 Spring-ring micromechanical device 235 1999
6,038,056 Spatial light modulator having improved contrast ratio 259 1999
6,473,274 Symmetrical microactuator structure for use in mass data storage devices, or the like 189 2000
6,549,338 Bandpass filter to reduce thermal impact of dichroic light shift 206 2000
6,552,840 Electrostatic efficiency of micromechanical devices 232 2000
6,466,358 Analog pulse width modulation cell for digital micromechanical device 207 2000
6,778,155 Display operation with inserted block clears 177 2001
6,643,069 SLM-base color projection display having multiple SLM's and multiple projection lenses 215 2001
6,775,174 Memory architecture for micromirror cell 177 2001
6,625,047 Micromechanical memory element 248 2001
6,741,503 SLM display data address mapping for four bank frame buffer 177 2002
 
QUALCOMM MEMS TECHNOLOGIES, INC. (16)
5,835,255 Visible spectrum modulator arrays 495 1994
6,040,937 Interferometric modulation 621 1996
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6,674,562 Interferometric modulation of radiation 656 1998
6,055,090 Interferometric modulation 443 1999
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6,680,792 Interferometric modulation of radiation 499 2001
6,650,455 Photonic mems and structures 493 2001
2002/0075,555 Interferometric modulation of radiation 410 2001
6,794,119 Method for fabricating a structure for a microelectromechanical systems (MEMS) device 377 2002
6,710,908 Controlling micro-electro-mechanical cavities 335 2002
6,574,033 Microelectromechanical systems device and method for fabricating same 440 2002
6,741,377 Device having a light-absorbing mask and a method for fabricating same 272 2002
2004/0058,532 Controlling electromechanical behavior of structures within a microelectromechanical systems device 284 2002
2004/0240,032 Interferometric modulation of radiation 301 2004
 
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. (13)
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6,859,218 Electronic display devices and methods 178 2000
6,862,022 Method and system for automatically selecting a vertical refresh rate for a video display monitor 205 2001
6,632,698 Microelectromechanical device having a stiffened support beam, and methods of forming stiffened support beams in MEMS 267 2001
2003/0202,264 Micro-mirror device 198 2002
6,747,785 MEMS-actuated color light modulator and methods 210 2002
6,666,561 Continuously variable analog micro-mirror device 225 2002
2004/0147,056 Micro-fabricated device and method of making 187 2003
6,829,132 Charge control of micro-electromechanical device 207 2003
6,811,267 Display system with nonvisible data projection 217 2003
2005/0057,442 Adjacent display of sequential sub-images 198 2003
2005/0068,583 Organizing a digital image 174 2003
2004/0212,026 MEMS device having time-varying control 175 2004
 
CANON KABUSHIKI KAISHA (6)
4,709,995 Ferroelectric display panel and driving method therefor to achieve gray scale 224 1985
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6,630,786 Light-emitting device having light-reflective layer formed with, or/and adjacent to, material that enhances device performance 185 2001
6,822,628 Methods and systems for compensating row-to-row brightness variations of a field emission display 186 2001
6,853,129 Protected substrate structure for a field emission display device 181 2003
 
XEROX CORPORATION (6)
6,160,833 Blue vertical cavity surface emitting laser 200 1998
6,180,428 Monolithic scanning light emitting devices using micromachining 182 1998
6,201,633 Micro-electromechanical based bistable color display sheets 264 1999
6,545,335 Structure and method for electrical isolation of optoelectronic integrated circuits 189 1999
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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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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. (20)
7,532,194 Driver voltage adjuster 3 2004
7,889,163 Drive method for MEMS devices 15 2005
7,843,410 Method and device for electrically programmable display 5 2005
7,345,805 Interferometric modulator array with integrated MEMS electrical switches 6 2005
7,724,993 MEMS switches with deforming membranes 1 2005
7,545,550 Systems and methods of actuating MEMS display elements 3 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 5 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
 
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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