Time of Flight (ToF) Sensor Technology and Application 2020

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2017?????iPhone X??y???SL?????????3D??????????????????????????????????3D????????????iToF?????????????????????2020??3?￡???????iPad Pro???????????????dToF??????????????——??????????????????2020???°????????????????iPhone 12??????????????????????dToF??ò??????

3D???????????“ToF”????“????”

??????????????????????壻???????????????????????????????????塣?????????????飬???????????????2D???????????3D?????????Щ???泬???????????????????????????????????????3D???н??????????AI??????????????и??????????????????????????“???????????????????????????”????“????????????????????????в??”?????“????????AR?????????????VR??”……??????????3D??????????????????????????к?????????д????????????????ToF?????????????????-2020?桷???檔

3D??????????????????????????????

?????????????3D??????????????????????????????????????????ToF?????????????????????????????????????????????????ToF????????????ToF??????????????????????????????????????????????3D iToF???????????????????????????????????淢?傷??????VCSEL??????????diffuser??????????????????????????ToF????????????????????????????“???”?????????????????ToF?????“??????”???????????????????????????????????AR???????????ToF??????????iPhone X?????????????3D??????????????????????????????????3D?????ToF???????????????????????????????????????????????????????????

3D??????????鼰????????????????????????

????3D???????м????????????????????????????

??????????????ToF???????2014?????????????????????3D???????У???????????С???в??1D dToF???????????????????????????????????????2014~2018??????????壨ST?????????????ToF???/??????????г???2019??11???????????????10?????????????壨ams??????????????????????????ToF???/???????????????2019??????????С??????ToF???/???????????TMF8701??

ToF????????????????????????????????????

??3D ToF???棬????????????????????????ó???????????????????????????BSI????????iToF?????????????????????????????VGA??640???? x 480????????????????????3D?????????У?iToF???????г?????????Щ??iToF??e?????????????????????????????????????3D ToF????????????????????????????????????????????????й??????????????????????CMOS??????????????????????????“???”?????У?????Sony????????3D ToF??????????pmd??????裨Infineon?????????????????????ToF???????????????CMOS???????????????Samsung?????????彫??2020~2021??????????ToF?????????

iToF???????????????????????????????

??????ToF?????????????????——2015??10??8?????????????SoftKinetic??????ToF??????????2017??12??18???SoftKinetic????????Sony DepthSensing Solutions?????DepthSense®??в?????г???λ?????2019??ToF?????????г????????????????????3D???????н???о???????г?????0%??????45%?????????????з?????????????????????????????ToF???????г????????λ??

???????3D dToF???????й????????????

2020??3?￡??????Apple?????????????????????iPad Pro???????????3D dToF??????????????????????????????????????????????????????“????”????“????”??????????????????????dToF??????????????SPAD???????????????????????У???????3???????????????λ????????2020???°????????????????iPhone 12 Pro Max????????ü???????????????????Щ????????????3D iToF???3D dToF?????????????????????????????????????????????

?????????iPad Pro 2020???????????????LiDAR??

?????iPad Pro 2020?????????????????dToF???????

???о??????SPAD???к????·???????????????????????????μ?????????????????????????????????С??????????????SPAD????о???????????????????????????????????????????????????????????????????????????????????й???????????????г?????????д??????????????????????????????????У?????dToF????????????????????У??????????dToF???????з??????????й?????????????о??磨visionICs?????????????Adaps Photonics????о??????Xilight??????о?????ABAX Sensing???????????Microparity?????????????

dToF??????????????????????????????????

??????3D????????????У???繃????????????????????????????iToF??????????“????????????????????????????????”????????????????л???????????????dToF?????????????????????????Χ????????仯?????????????С????????????????????iToF??dToF????????????????????о????????????????????????AR??????????3D??????????????μ??????????????????????iToF??dToF????????????????????????????????ó?????????????·???

SPAD??????????????????佇???????????????????????????????????????????о????????????????????SPADо????????е????????к???????????????????????????????С???????????Ч???PDE??????????·??????????????????????TDC?????-?????????????????·??????????????3D??????????????????о????????????????????????????й?????????dToF?????????????????????????????dToF???????о?????????????л????????????????????????????????????????ο???dToF????????????????????????????????????????????????????????????

dToF??????????????????????????????????

?????滹?????Excel????????????а??????漰dToF???????????????·??100?????????????????60?????????????????????????????????μ????????????????λ?????????????????????????????????????????

??????????????ToF?г????????

????????????????????ToF??????????????????????????????????????????????????????У???????????????????????·??????TDC??TIA????????????????????????????????????????????ADAS???????????????繃?????????????????????????????????????????e??弼??????????????????????????????????????????????????????????е??????????Σ?????????????????????????????????????????Σ??????ToF?г???????????????

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?????????????????????????????????????????????????????????????????????????????????????????????????????г??????????????????磬Ouster????????????????????????????????????????????????????????????????????????о??????????з??????????VCSEL???к????SPADо???У?????????Livox????????Horizon????磩??????????????t?????????е????APD???????????????????????????

????????????·???????????????????

???????????????????????з?????????????????????????????????????е?????????????????????????????????APD???????????????????????????????????????????????????????SPAD???С???SPAD?????????????????????????????δ???????籶?????SiPM????????????????????????????????????У?????ɡ?????????壩???????????????о??硢?????????о????????о???????????????????????????????????????????

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1. 3D???????и???

?????????????????????3D???????з?????????????????????????????????3D????????????????3D??????????鼰??????????????

2. 3D?????????г?????

???????3D???????з???????????3D???????м??????????????3D ToF????????????????3D ToF??????????????ToF??????????????????????ToF????????????г???????

3. ToF????????????????

???????ToF??????????iToF??dToF????????iToF?????????????iToF?????????dToF??????﹤??????dToF?????????dToF???????????SPAD vs. APD??CMOS??????? vs. SPAD?????????CMOS?????????????????

4. ToF?????????????????

???????ToF????????????????????????????pmd????????????????о??Teledyne e2v??ESPROS????????????塢ams?????ɡ?????????塢First Sensor?????iToF?????????????????dToF?????????????????

5. ToF?????????/?淶

??????????????????????/?淶?????漰???楨????????????????????????????

6. dToF????????????????

???????dToF???????????????л??????????????????????????????????????????????л?????dToF?????????о??????????

7. dToF???????й????л?????????

???????dToF??????й???????л????????о??????????????????????????й????л?????dToF?????????о????????????????????к??????????????

8. ToF?????????????

???????ToF????????????豸????????????????????????????????????????????????????????????????????????е?ToF??????????????????????

9. ?????????????????

???????????????????塢????????г??????????????????????????????????????????

10. ???????????????????

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????????????????ToF?????????????????-2020?桷???棬??E-mail??wangyi#memsconsulting.com??#????@????????