김희연 나노종합기술원 1/50

Transcription

1 산업교육연구소세미나 ( 웨어러블, IoT 구현및적외선스마트센서기술개발 / 과제와상용화 ) 모바일용비냉각형적외선스마트센서 기술개발동향및상용화전망 김희연 (hyeounkim@nnfc.re.kr) 나노종합기술원 1/50

2 1. 비냉각형적외선센서 : 냉각기 x 2. 모바일용 : 초소형, 저가격, 저전력 3. 스마트화 : 컨텐츠, S/W 2/50

3 순서 1. 비냉각형적외선센서개요 정의 메가트렌드 2. 모바일용적외선센서기술이슈 3. 스마트적외선센서기술이슈 4. 모바일용적외선센서상용화전망 5. 결언 3/50

4 적외선센서 PIR(Passive Infrared Detector) Imager 인체감지, 통신, 열영상 ß 비방사선 4/50

5 냉각형 vs. 비냉각형 *Ref. Uncooled IR Cameras, Yole Report, March /50

6 비냉각형적외선센서 Type Parameter Bias Structure 픽셀크기, NETD Bolometer a = 1 R dr dt I 2 R Thermocouple a s = dv dt No Pyroelectric p = dp dt No Forward-bias Diode a = dv dt IV 가격 Golay cell No 6/50

7 적외선영상센서 (Microbolometer) IR ( T ) 2 2phc [ ] 2 W / cm hc / l kt ( e - 1) M l, = sr 5 l l M t = st 4 é R(T) = R ( T s )exp ê a T êë 2 = s æ 1 ç è T 1 - T s öù ú øúû * FPA : Focal Plane Array 7/50

8 정의 센서 (Sensor) - 영상센서 (Imager) - 검출기 (Detector) 센서모듈 (Module) - 카메라코어, 영상엔진 센서시스템 (System) - 카메라 *Ref. Uncooled IR Cameras, Yole Report, March /50

9 IoT 메가트렌드 Avg. -70% *Ref. P. Robert, MEMS at Leti : New Trends, July /50

10 IoT 메가트렌드 Avg. -30~70% *Ref. P. Robert, MEMS at Leti : New Trends, July /50

11 IoT 메가트렌드 Functions *Ref. P. Robert, MEMS at Leti : New Trends, July /50

12 시장예측? CAGR : 66% à 220% 가격 : -15% à -48% *Ref. Uncooled IR Cameras, Yole Report, March /50

13 기술경쟁심화 *Ref. Uncooled IR Cameras, Yole Report, March /50

14 순서 1. 비냉각형적외선센서개요 2. 모바일용적외선센서기술이슈 가격 : 픽셀, 웨이퍼크기 크기 : 패키징, 렌즈 성능 : 소재, ROIC 3. 스마트적외선센서기술이슈 4. 모바일용적외선센서상용화전망 5. 결언 14/50

15 분류 분류해상도 NETD(mK) 주요응용 High-end > 640x480 30~50 군사, 우주항공 Middle-end 180x180~384x288 50~80 산업용진단, 자동차 NVS Low-end 100x100~160x120 60~100 보안감시 Ultra low-end < 80x80 100~2000 모바일 12 년이후초소형적외선센서 (Ultra low-end) 제품출시가속화! 15/50

16 초소형적외선센서로드맵 픽셀 IC Optics PKG *Ref. Uncooled IR Cameras, Yole Report, March /50

17 The smaller, the better * QVGA 기준 픽셀 Pitch(um) 칩면적축소율 * 웨이퍼크기별유효칩수 * 4" 6" 8" % % % % % 배 4 배 17/50

18 VIS vs. LWIR Lithographic Limit Optical Diffraction Limit *Ref. Uncooled IR Cameras, Yole Report, March /50

19 The smaller, the worse m j k l 45um 35um 25um 픽셀 : j 고감도구조및 k 소재 ROIC : l 고밀도, 저노이즈 Lens : m 고투과율, 높은 F number 17um 19/50

20 패키징 34mm ULIS(1024x768) ULIS(640x480) ULIS(80x60) 1024x x480 20mm 320x240 20/50

21 적외선광학소재 Chalcogenide 장점 - Ge 보다저가이며, 수급이안정적, Ge 은희토류로주로중국에서채광 - 몰딩공정이 DTM 공정에비해저가 *Ref. Uncooled IR Cameras, Yole Report, March /50

22 WLO *Ref. Infrared imaging components for use in automotive safety applications, /50

23 New Materials Si/SiGe QW (Sensonor) VNbOx (NEC) NP, NW Ex) SNR=PxRv/V1/f - 25à12.5 : P 1/4, V1/f 2 배, SNR 은 1/8 로감소 - Rv : TCR 2 배, Gth 1/5 à SNR 10 배로증가 - V1/f 감소방안 : 설계, 공정, 소재 *Ref. Uncooled IR Cameras, Yole Report, March /50

24 Near Future : 12um pixel *Ref. Uncooled IR Cameras, Yole Report, March /50

25 Near Future : WLP *Ref. Uncooled IR Cameras, Yole Report, March /50

26 순서 1. 비냉각형적외선센서개요 2. 모바일용적외선센서기술이슈 3. 스마트적외선센서기술이슈 모바일컨텐츠 : 인체, 사물 S/W : 영상융합, 물체인식 4. 모바일용적외선센서상용화전망 5. 결언 26/50

27 See Temp. 제스처 촬영 생체인증 See See+Temp. 블랙박스 문자인식 기타 : 거울, 돋보기, 별자리관측, 거리측정 27/50

28 Home & Human Application *Ref. : FLIR 28/50

29 Making the Invisible Visible 위조그림인식 à 위조감별 à 지폐, 혈흔 *Ref. : EBS, 네이버 29/50

30 Making the Invisible Visible 위조얼굴검출시스템 à 생체인증 *Ref. : EBS, 네이버 ü 주위조명에관계없이얼굴인식기능 30/50

31 Making the Invisible Visible 헬멧부착형화재감시카메라 *Ref. : EBS, 네이버 31/50

32 Image Fusion *Ref. : SPIE DSS /50

33 Image Fusion Image Information Material Information 33/50

34 순서 1. 비냉각형적외선센서개요 2. 모바일용적외선센서기술이슈 3. 스마트적외선센서기술이슈 4. 모바일용적외선센서상용화전망 센서코어 카메라 : 웨어러블, 모바일, 기타 5. 결언 34/50

35 Ultra low-end market *Ref. Uncooled IR Cameras, Yole Report, March /50 ümass production : 10M( 19) ü Price : $13( 19) ü Application : Picture, Face Recognition

36 초소형적외선센서코어 Core Name Lepton Atom80 SMO130 제조사 ( 센서 / 카메라 ) FLIR ULIS/Sofradir Bosch/Heimann 해상도 80x60 80x80 82x62 픽셀피치 (um) 크기 8.5x8.5x5.6mm 3 31x38x23mm 3 25x45x20mm 3 형상 WLP, WLO, ASIC 36/50

37 FLIR Lepton *Ref. 37/50

38 FLIR Lepton World's smallest thermal imaging camera core! * Ref. LEPTON Infrared Camera Module Report, Dec. 2014, System Plus Consulting 38/50

39 FLIR Lepton Demo Camera Kit from Pure Engineering $150 39/50

40 FLIR Lepton Development Kit Now Available at SparkFun $ Includes: 1x FLiR Lepton - Thermal Imaging Module 1x FLiR Lepton - Breakout Board Features: LWIR sensor, wavelength 8 to 14 μm 51-deg HFOV, 63.5-deg diagonal 80 (h) 60 (v) active pixels Thermal sensitivity <50 mk MIPI and SPI video interfaces Two-wire I2C-like serial-control interface Fast time to image (< 0.5 sec) Low operating power, nominally 150 mw (< 160 mw over full temperature range) 40/50

41 Opgal s Therm-App, a High-End Thermal Imaging Camera $1600 Therm-App Specifications: - Resolution: pixels (>110k pixels) - Spectrum: LWIR um - Enhanced Vision: High-resolution thermal imagery (grayscale day/night vision) NETD <0.07 C - Color temperature mapping: 5 C to 90 C - Available palettes: Rainbow, Iron, Grayscale - Lens And FOV: 19mm lens (19 x 14⁰) - Frame Rate: 8.7Hz - Operating Temperature: -10 C to +50 C (-4 F to +122 F) - Power Supply: 5V over USB cable - Power Consumption: Less than 0.5W - Certifications: CE, FCC - Device Attachment: Clip-on for smartphone (5-10cm span) - Mobile Platform Support: USB OTG (On The Go) compatible devices - Mobile OS Compatibility: Android 4.1 and up - Recording And Sharing: Therm-App Smartphone App plus any sharing App 41/50

42 IR-Blue(Jan. 13) January 14, 2013 Successfully raised $195,806 USD with 1,290 backers IR-Blue features and specifications: $ Zone 16x4 pixel temperature sensor Factory calibrated for -20 to 300 C (-4 to 572 F) Temp. range : -50 to 300 C FOV : 60 by 16.4 NETD : 0.25K rms Dual mode Bluetooth 2 and 4 wireless connectivity for Android and iphone ios devices. Uses 4x AAA batteries 42/50

43 Hema Imaging(Jan. 13) January 14, 2013 Successfully raised $195,806 USD with 1,290 backers Product specs: thermal diode array, one-time factory calibrated thermal imaging field of view (side-to-side, top-to-bottom) Stable image no nonuniformity correction (Note: other imagers need a shutter, ours does NOT!) Frame rate up to the ITAR-TASS regulations limit of 9 frames per second WiFi connectivity to smartphone or WiFi network Temperature display accurate to 0.2 Fahrenheit Thermal measurement range: -4 F to 450 F Easily updated and modified python script-based computer vision platform Computer vision/image processing is userreconfigurable Device is physically user-reconfigurable: snap apart, attach to mounts, tripod, grip, etc 43/50

44 MuOptics(Mar. 13) $325 Mu Optics Thermal Camera Not Going to be Released, 26 Nov /50

45 Seek Thermal $249 Seek Thermal XR Specs 20º Field of View Adjustable Focus Resolution: 206 x 156 Array -40C to 330C Detection < 9Hz Long Wave Infrared Microns Raytheon EXC001(12 µ Pixel Pitch, 2 levels structure) Vanadium Oxide Microbolometer WLP Chalcogenide Lens Magnesium Housing Protective Waterproof Case 45/50

46 Thermal Glass Therm-App night vision with Lumus wearable displays * Ref. SPIE DSS /50

47 Thermal Imager for Every Soldier DARPA Low Cost Thermal Imager - Manufacturing (LCTI-M) Program * Ref. 47/50

48 Throw-able Sensor IR Scout *Ref. : UCSB 48/50

49 결언 1. 초소형적외선센서시장의폭발적성장전망 220% - 스마트폰, IoT, 웨어러블기기등 2. 센서코어는전량수입, 국산화시급 - 가격, 크기, 성능 à 12um 픽셀, WLP, WLO - 기존 CIS 관련기업들의사업다변화시점 중국의 GWIC, Dali 社는이미 NVS 시장진출 3. 새로운응용기회 - H/W 공급으로새로운시장형성 : 오픈소스 H/W, 모바일앱 49/50

50 Making the Invisible Visible 50/50