14、艾邁斯歐司朗-《汽車內飾氛圍燈的發展趨勢與解決方案》.pdf

《14、艾邁斯歐司朗-《汽車內飾氛圍燈的發展趨勢與解決方案》.pdf》由會員分享，可在線閱讀，更多相關《14、艾邁斯歐司朗-《汽車內飾氛圍燈的發展趨勢與解決方案》.pdf（19頁珍藏版）》請在三個皮匠報告上搜索。

1、1Sensing is lifeAM interior Ambient RGB Trend And SolutionRaymond Zhong/AM SSE12/7/20232Agenda1.RGB color mixing concept and LED characteristics2.Intelligent RGB LED solution3RGB color mixing concept 1.A set of primary colors,define a color triangle;only colors within this triangle(color Gamut)can b

2、e reproduced by mixing the primary colors.2.The color of mixed light depends on the respective brightness proportion of Reds,Greens,and Blues.3.The Brightness of mixed light is the total brightness of Reds,Greens and Blues.PrimarycolorCxCyBrightness mlm or mcdDuty CycleRedx1y1Y1D1Greenx2y2Y2D2Bluex3

3、y3Y3D3MixedcolorCxCyBrightness mlm or mcdAnyxmymYm=1111+2222+3333111+222+333=1111+2222+3333111+222+333=11+22+334LED CharacteristicsForward Current Dependency of l ldom True GreenBlue5LED CharacteristicsTemperature Dependency of l ldomRedTrue GreenBlue6LED CharacteristicsBrightness Degradation with T

4、emperatureRedTrue GreenBlue9LED CharacteristicsBin groups and Color GamutColor and brightness bin groupsColor GamutLargest common color gamut for all bin combinations10Normal RGB LED solutionsColor stability requirements result in the following driving schemes Temperature compensation is necessary U

5、se PWM for adjusting color and brightness(eliminate forward current dependencies)Module calibration is necessary To compensate for differences within the same bin To compensate between different bins(largest common color gamut for all bin combinations)Light Control ModuleLED DriverRGB ModuleLED Driv

6、erRGB ModuleLED DriverRGB ModuleLIN BUSColor,brightness,Sequences11Agenda1.RGB color mixing concept and LED characteristics2.Intelligent RGB LED solution12Moving to full RGB solutionsExtension of RGB LED portfolio Backlighting of different materialsHigh bright-ness of one single LEDor high amount of

7、 LEDsDynamic scenarios High number of LEDsSingle controlled with driver(ext/int)Fast color update rateExtended displays/LED arraysHigh amount of very small chip size LEDs with 5mm pixel pitchMarket trendsProduct implicationsAmbient IlluminationTrends and customer needs analysis for Ambient RGB appli

8、cationsHigh brightness depending on material transmissionDaytime use Today Tomorrow3-dimensional shapes and surfacesNew PCB materials require new assembly methodsInmoldability of LEDs into lightguidesHigh qualitylight appearanceProduct stability/color accuracy e.g.data management,temperature compens

9、ation19RGBi Vs ISELEDDeviceKRTBI D1LM32.31KRTBI D2LM31.31Brand OSIRE E4633iOSIRE E3731iProtocol/ICISELED/INOVAOSP/ams OSRAMLicense ModelINOVAopen access,no licensePackage Size3.6 x 2.8 foot print;0.65 height mmca.3.1 x 3.7 foot print;0.7 height mmOptical Output/Chip configurationD65Comparable to OSI

10、RE E3323Target Brightness 1.8 cd D65SelectableColor GamutfixedSelectablePWM Engine12 bit per color15 bit per colorPWM Frequency488 122 Hz500/1000 HzTemperature compensationFor red chipFor all chips possible(read out of temperature)Sample AvailabilityJun 2021Q1 2022(early engineering samples)PPAP Tar

11、getOct 2021Q3 2023CustomerExclusively for BMWall21Open ArchitectureOS IC ArchitecturesRGBi-stripRGBi-stripBCUC/IC for sensoric applications e.g.touch,proximityLVDS between RGBiSingle ended between RGBi and C/transceivers Closed 5V system requiredTyp.CAN FD transceivers,point to point communication,a

12、ll advantages of CAN physical layerLocal BUS,e.g.LIN,CAN,Ethernet,Flexray full flexibilityCONFIDENTIAL22RGBi-Flow of CommunicationControllerOutput Each device drives the three chips according to request Output kept until new request received 312Color point request MCU calculates color coordinates an

13、d sends R/G/B PWM values to individual/all devices MCU may request temperature from individual LEDs to consider temperature impact123ams ICRGBi DeviceInitialization Auto-addressing of all RGBi devices in chain Controller reads from each device in the chain the optical data of the three embedded R/G/

14、B chips(cx,cy,Iv at 10mA and at 50mA)23Extended Connection SchematicsCReceiver-Transiever(CAN/CAN_FD/LIN2.1/.)IOClk_inVehicle BusRGBiSIO1_N(clock_out)SIO1_PSIO2_PSIO2_NRGBiSIO1_NSIO1_PSIO2_PSIO2_NOn-board BusSignal lineClock lineControl UnitLED PCBVCCVCCGNDGNDGNDVCCRGBiSIO1_NSIO1_PSIO2_PSIO2_NVCCLVD

15、S signallingBi-directionalTransceiver e.g.CAN(5Mbit)RXDTXDCAN_HCAN_LTransceiver e.g.CAN(5Mbit)RXDTXDCAN_HCAN_LTwisted pair5V10k10k5V10k10k10kGND10k5VLast device10kGND10k5VMaster CReceiver-Transiever(CAN/CAN_FD/LIN2.1/.)IOClk_inVehicle BusRGBiSIO1_NSIO1_PSIO2_PSIO2_NOn-board BusSignal lineClock lineC

16、ontrol UnitLED PCBVCCGNDGNDVCCRGBiSIO1_NSIO1_PSIO2_PSIO2_NVCCLVDS signallingManchesterTransceiver e.g.CAN(5Mbit)RXDTXDCAN_HCAN_LTransceiver e.g.CAN(5Mbit)RXDTXDCAN_HCAN_LTwisted pair5V10k5V10k10k1st deviceGNDRGBiSIO1_N(clock_out)SIO1_PSIO2_PSIO2_NSignal lineVCCGNDTransceiver e.g.CAN(5Mbit)RXDTXDCAN_

17、HCAN_L5V10k10k10kGND10k5VRGBiSIO1_NSIO1_PSIO2_PSIO2_NGNDVCCRGBiSIO1_NSIO1_PSIO2_PSIO2_NVCCLVDS signallingManchesterTransceiver e.g.CAN(5Mbit)RXDTXDCAN_HCAN_L5V10k10kLast deviceIOTwisted pairSingle endedSignalingManchesterSingle endedSignalingManchesterLVDS signallingManchesterSingle endedSignalingMa

18、nchesterSingle endedSignalingNRZSingle endedSignalingManchesterControl UnitLoop Back with and w/o Transceiver Allows communication in one direction to speed-up Allows fall back,if one LED fails(exact electrical set-up not shown in picture)Bidirection via Transceiver Allows EMI stable connection243 P

19、oint Calibration enables selectable color gamutThree point calibration:Red,Green and Blue color points&brightness are stored in each LED for day&night mode(50mA/10mA)Allows bin selection for different gamut requirements Recalculation of any target color point allows high accuracy over complete chose

20、n gamut Recalculation allows high stability over the complete temperature range due to potential compensation of Red,Green and Blue chipSelectable gamut like LRTB GVSR color binning25Quick Start Up LED device sample LED樣品 Software Evaluation Kit 軟件評估包S32 Design Studio for Arm 2.2OSP-open standard protocol implementationEvaluation Code Documents 數據及快速入門手冊KRTBI D2LM31.31_EN datasheetOSIRE_E3731i_Start_Up_Guide Demonstration Board 帶燈條的評估板NXP S32K144（自備）Communication board Light strips boardSensing is life歡迎掃碼關注艾邁斯歐司朗社交生態Sensing is life更多艾邁斯歐司朗汽車解決方案歡迎添加 汽車小程序Sensing is lifeThank You