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s read edit view history general what links here related changes upload file permanent link page information cite this page get shortened url switch to legacy parser print export download as pdf printable version in other projects wikimedia commons wikidata item appearance move to sidebar hide from wikipedia the free encyclopedia redirected from omnivision chinese semiconductor company this article s style of writing may not reflect the encyclopedic tone used on wikipedia see wikipedia s guide to writing better articles for suggestions december 2023 learn how and when to remove this message omnivision technologies inc type subsidiary industry semiconductors founded 1995 founder aucera technology taiwan headquarters santa clara california u s area served worldwide key people renrong yu shaw hong products image sensor technologies revenue 1 379b owner omnivision group number of employees 2 200 2015 1 website ovt com omnivision technologies inc is an american subsidiary of chinese semiconductor device and mixed signal integrated circuit design house omnivision group 2 3 the company designs and develops digital imaging products for use in mobile phones laptops netbooks webcams security entertainment automotive and medical imaging systems headquartered in santa clara california omnivision technologies has offices in the us western europe and asia 4 in 2016 omnivision was acquired by a consortium of chinese investors consisting of hua capital management co ltd citic capital and goldstone investment co ltd 5 history edit omnivision was founded in 1995 by aucera technology taiwan 奧斯來科技 some company milestones 1999 first application specific integrated circuit asic citation needed 2000 ipo citation needed 2005 acquired cdm optics a company founded to commercialize wavefront coding 6 2010 acquires aurora systems and adds lcos to its product line 7 2011 acquired kodak patents 8 2015 signed an agreement to be acquired by a group of chinese investors including hua capital management citic capital holdings and goldstone investment for about 1 9 billion in cash in april 2015 9 2016 becomes a private company due to buyout by chinese private equity consortium 10 2018 2019 will semiconductor acquired omnivision technologies for 2 178 billion and superpix micro technology merging them to form omnivision group 11 12 2019 achieved guinness world record for world s smallest commercially available sensor for ov6948 used as the cameracubechip 13 technologies edit an ov7910 1 3 and three ov6920 1 18 image sensors both types with composite video ntsc outputs omnipixel3 hs edit omnivision s front side illumination fsi technology is used to manufacture compact cameras in mobile handsets notebook computers and other applications that require low light performance without the need for flash omnipixel3 gs expands on its predecessor and is used for eye tracking for facial authentication 14 and other computer vision applications omnibsi edit backside illuminated image bsi technology differs from fsi architectures in how light is delivered to the photosensitive area of the sensor in fsi architectures the light must first pass through transistors dielectric layers and metal circuitry in contrast omnibsi technology turns the image sensor upside down and applies color filters and micro lenses to the backside of the pixels resulting in light collection through the backside of the sensor omnibsi 2 edit the second generation bsi technology developed in cooperation with taiwan semiconductor manufacturing company limited tsmc is built using custom 65 nm design rules and 300mm copper processes these technology changes were made to improve low light sensitivity dark current and full well capacity and provide a sharper image cameracubechip edit in this camera module sensor and lens manufacturing processes are combined using semiconductor stacking methodology wafer level optical elements are fabricated in a single step by combining cmos image sensors chip scale packaging processes csp and wafer level optics wlo these fully integrated chip products have camera functionality and are intended to produce thin compact devices rgb ir technology edit rgb ir technology uses a color filter process to improve color fidelity by committing 25 of its pixel array pattern to infrared ir and 75 to rgb it can simultaneously capture both rgb and ir images this makes it possible to capture both day and night images with the same sensor it is used for battery powered home security cameras as well as biometric authentication such as gesture and facial recognition 15 purecel technologies edit omnivision developed its purecel and purecel plus image sensor technology to provide added camera functionality to smartphones and action cameras the technical goal was to provide smaller camera modules that enable larger optical formats and offer improved image quality especially in low light conditions 16 both of these technologies are offered in a stacked die format purecel s and purecelplus s this stacked die methodology separates the imaging array from the image sensor processing pipeline into a stacked die structure allowing for additional functionality to be implemented on the sensor while providing for much smaller die sizes compared to non stacked sensors purecelplus s uses partial deep trench isolation b dti structures comprising an interfacial oxide first deposited hfo tao oxide ti based liner and a tungsten core this is omnivision s first dti structure and the first metal filled b dti trench since 2013 17 purecel plus uses buried color filter array bcfa to collect light with various incident light angles for tolerance improvements deep trench isolation reduces crosstalk by creating isolation walls between pixels inside silicon in purecel plus gen 2 omnivision set out to improve deep trench isolation for better pixel isolation and low light performance its target application is smartphone video cameras 18 nyxel edit developed to address the low light and night vision performance requirements of advanced machine vision surveillance and automotive camera applications omnivision s nyxel nir imaging technology combines thick silicon pixel architectures and careful management of the wafer surface texture to improve quantum efficiency qe in addition extended deep trench isolation helps retain modulation transfer function without affecting the sensor s dark current further improving night vision capabilities 19 performance improvements include image quality extended image detection range and a reduced light source requirement leading to overall lower system power consumption 20 nyxel 2 edit this second generation near infrared technology improves upon the first generation by increasing the silicon thickness to improve imaging sensitivity deep trench isolation was extended to address issues with crosstalk without impacting modulation transfer function wafer surface has been refined to improve the extended photon path and increase photon electron conversion the sensor achieves 25 improvement in the invisible 940 nm nir light spectrum and a 17 increase in the barely visible 850 nm nir wavelength over the first generation technology 21 led flicker mitigation and high dynamic range edit high dynamic range hdr imaging relies on algorithms to combined several image captures into one to create a higher quality image than native capture alone led lighting can create a flicker effect with hdr this is a problem for machine vision systems such as those used in autonomous vehicles that is because leds are ubiquitous in automotive environments from headlights to traffic lights road signs and beyond while the human eye can adapt to led flickering machine vision cannot to mitigate this effect omnivision uses split pixel technology one large photodiode captures a scene using short exposure time a small photodiode using long exposure simultaneously captures the led signal the two images are then joined in a final picture the result is a flicker free image 22 products edit cmos image sensors edit omnivision cmos image sensors range in resolution from 200 megapixels to below one megapixel 23 in 2009 it received orders from apple for both 3 2 megapixel and 5 megapixel cis 24 asic edit omnivision also manufactures application integrated circuits asics as companion products for its image sensors used in automotive medical augmented reality and virtual reality ar vr and iot applications 25 cameracubechip edit omnivision s cameracubechip is a fully packaged wafer level camera module measuring 0 65 mm 0 65 mm it is being integrated into disposable endoscopes and catheters with diameters as small as 1 0mm these medical devices are used for a range of medical procedures from diagnostic to minimally invasive surgery the used ov6948 sensor has a size of 0 575 mm 0 575 mm and a resolution of 200 200 pixel 26 lcos edit omnivision manufacturers liquid crystal on silicon lcos projection technology for display applications 27 in 2018 magic leap used omnivision s lcos technology and its sensor bridge asic for the magic leap one augmented reality headset 28 markets and applications edit the digital imaging market has converged into two paths digital photography and machine vision while smartphone cameras drove the market for some time since 2017 machine vision applications have driven new developments autonomous vehicles medical devices miniaturized security cameras and internet of things iot devices all rely on advanced imaging technologies 29 omnivision s image sensors are designed for all imaging market segments including mobile automotive security iot emerging computing medical the following are examples of omnivision products that have been adopted by end users the iphone 5 front facing camera is an ov2c3b unit 30 the official 5 0 megapixel camera for the raspberry pi released in 2013 uses an ov5647 31 in 2014 google developed 3d mapping technology project tango for the purpose of bringing ar vr technology to mobile applications 32 tango contains a number of omnivision products including a 4 mp rgb ir sensor that allows for high res photo and video as well as depth perception in its standard camera as well as a low power camerachip 33 the arlo home security camera by netgear is a battery operated wireless camera security system it contains several omnivision products including the ov00788 as the camera s image signal processor and ov9712 a 1 mp progressive scan cmos image sensor with video capturing capability 34 the ring doorbell uses an hd camera that contains a omnivision ov9712 1 mp image sensor omnivision h 264 35 and a video compression chip used for video processing 36 the sony playstation contains two ov9713 cmos image sensors in the playstation camera as well as two usb bridge asic solutions it also appears to have an ov580 asic chip that was made specifically for sony 37 automotive system supplier zf included omnivision cmos image sensors in its gen 4 generation s cam in both the mono camera and triple camera set up 38 as of june 2020 the rear autopilot camera on the tesla model s x 3 y uses the ov10635 720p cmos sensor 39 all five models of asus zenfone 4 smartphone line include dual camera set ups the mid range model uses an 8 megapixel ov8856 for both the front camera and the secondary sensor to provides a 120 degree super wide view the zenfone 4 selfie uses a low 5 megapixel resolution ov5670 as its secondary sensor also for a super wide view 40 the microsoft surface pro 4 comes with an 8 mp rear camera with the ov5693 image sensor and a 5 mp front facing camera with the ov8865 image sensor the rear camera has 1 4 μm pixels and a f 2 aperture for lower light scenarios the front camera moves to a wider field of view for use with video conferencing the quality is a bit grainy 41 qualcomm s virtual reality design kit vrdk was developed to provide a foundation for consumer electronics manufacturers so they could create vr headsets based on qualcomm s snapdragon vr hardware to achieve positional tracking the company designed in on board cameras backed by the ov9282 global shutter image sensor which can capture 1 280 800 images at 120 hz or 180 hz at 640 480 qualcomm chose it based on claims that low latency makes it a good choice for vr headsets 42 references edit corporate fact sheet pdf 2014 archived from the original pdf on 12 september 2014 retrieved 24 september 2015 603501 shanghai stock quote will semiconductor ltd bloomberg com retrieved 9 october 2020 omnivision bought quietly by china s will semiconductor eenews analog 24 may 2019 retrieved 9 october 2020 omnivision locations archived from the original on 20 december 2016 retrieved 13 september 2010 corporate releases news events omnivision www ovt com retrieved 11 january 2020 tomkins michael r 28 march 2005 omnivision acquires cdm optics the imaging resource retrieved 25 september 2010 omnivision technologies inc completes acquisition of aurora systems inc www prnewswire com press release omnivision technologies inc retrieved 24 june 2020 koifman vladimir 11 april 2011 omnivision acquires 850 kodak patents for 65m image sensor world retrieved 15 november 2015 omnivision to be bought by chinese investors in 1 9 billion deal re code 1 may 2015 retrieved 4 may 2015 stahl george 30 april 2015 omnivision agrees to 1 9 billion buyout wall street journal issn 0099 9660 retrieved 18 june 2020 koifman vladimir 19 january 2020 omnivision aims to close the gap with sony and samsung and lead the market in 1 year image sensors world retrieved 24 january 2020 omnivision bought quietly by china s will semiconductor eenews analog www eenewsanalog com 24 may 2019 retrieved 24 january 2020 smallest commercially available image sensor guinness world records retrieved 18 june 2020 omnivision announces global shutter image sensors for facial authentication asmag com rankings www asmag com retrieved 19 june 2020 omnivision releases first 5mp rgb ir image sensor www embedded computing com retrieved 18 june 2020 triggs rob 10 july 2015 who s who in the smartphone camera business android authority retrieved 4 april 2016 fontaine ray a survey of enabling technologies in successful consumer digital imaging products part 3 pixel isolation structures techinsights retrieved 4 july 2017 omnivision introduces ov02k image sensor that is built on purecel plus pixel technology news thomasnet com retrieved 18 june 2020 carroll james nyxel near infrared technology from omnivision offers increased quantum efficiency vision systems design retrieved 9 october 2017 dirjish matthew near infrared technology clears up night vision apps sensors online sequestex llc retrieved 9 october 2017 roos gina 9 march 2020 omnivision nir image sensing achieves new quantum efficiency record electronic products retrieved 18 june 2020 yoshida junko 12 december 2020 omnivision cuts led flicker in hdr ee times retrieved 18 june 2020 image sensors omnivision www ovt com retrieved 23 june 2020 wu hans 3 apri...