Worldsemi(NeoPixel) 2022/July Product list

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Part 1-About Us ► 1.Brief Introduction ► 2.Manufacturing Base ► 3.Worldsemi Timeline ► 4.Corporate Culture ► 5.Patent&Qualification ► 6.Equipment &Production Workshop Part 2-Main Products ► 1.IC&New Products Series ► 2.Digital LED Series ► 3.LED Strip&PCBA ► 4.LED RGBIC Fairy String ► 5.LED Controller Part 3-Case Gallery ► 1.Products Applications, Main Partners&Major Customers CONTENTS

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About Worldsemi WorldSemi was founded in 2007, we work as the leading LED specialist in IC designer for Constant Current LED Driver IC, Chip Driver LED, we are recognized as the product development and delivery of LED lighting industry leader and we’ve expanded offerings to inclusion of LED strip lights, LED point lights and LED controllers etc. As the original manufacturer of WS28xx series products (WS2801S, WS2811, WS2812, WS2812B, WS2813, WS2815,WS2816,WS2818....), WorldSemi with its advanced equipment, first- rate technical staff, and strict quality management system and the high-quality service to customers’ trust and support. WorldSemi team believes that high performance, super quality and competitive price of our products will satisfy your requirements. With strong R&D capability, we can provide comprehensive technical support and Techno-scheme Design of LED lighting. We believe, “In the course of work, we have to keep the action, endless innovation.” From traditional LED lighting&decoration industry products to Harman Kardon Bluetooth Speaker, to Gaming Machines in Las Vegas, the TV shows' LED stage costumes and the Self-balancing Two Wheeled Vehicle, we have been in line of technology frontier, we will do all we can to cooperate with new industry and provide them best solutions. Part 1-About Us Brief Introduction

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Worldsemi Manufacturing Base l Total 4,000sqms Workshop l 2000sqms Air Cleanliness Workshop l 1000sqms Oce Area l Brand-new Automatic Production Equipment Manufacturing Base

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WORLDSEMI Timeline ► In 2008：Registered WorldSemi Co.,LIMITED in HongKong,engaged in foreign trade up to now. ► In 2009：Established ShenZhen Huacaiwei Technology Co.,Ltd,Mainly focused on IC wafer development and design,IC Process and Packaging by OEM factory. ► In 2014：Registered ShenZhen Huacaiwei Electrnocis Co.,Ltd, Developed and added Digital LED packaging production workshop. ► In 2018：Registered DongGuan Huacaiwei Technology Co.,Ltd,In the same year, We implemented and obtained ISO9001 quality system certification. ► In 2022：Dongguan Huacaiwei Technology Co., Ltd. submitted the application for national high-tech enterprise qualification in April 2022 ► In 2022：Submit an application for high-tech enterprise certification to Dongguan Science and Technology Bureau, and submit an application for land purchase to the government. Apply to buy 25 mu(16666.66 square metre) of state-owned construction land in Dongguan City for the construction of Huacaisaiwei Industrial Park.

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Our Mission:To Improve traditional electronic products’ functions and make life more dazzling and colorful! Our Vision: To become a global leader in LED lighting control industry. Our values: Customer first, Innovation to win, leading industry, Multi-win！ Corporate Culture

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Patent&Qualification CN201420023319.1 Data Parrel connectrion&Control CN201420364028.9 A kind of Multicolored LED lamp string using power pulsesynchronization CN201420459101.0 A Kind of full color led strip CN201420832551.X LED lighting devices and combined LED lighting devices CN201520677627.0 A Kind of full color led point light CN201620245689.9 New type lead-frame and led CN201620246807.8 Intelligent LED with highly integrated drive circuit CN201620400266.X Full color LED pixel lamp drive control circuit CN201810621705.3 A kind of Full color LED strip control method CN201811132310.3 The invention of a method for realizing LEDntransparent display screen CN201921452829.X A kind of Integrated constant current control chip LED CN201921460243.8 A kind of 360 degree emitting color string CN201922247951.X A small size LED lead-frame with built-in driver IC CN202021095313.7 An light-emitting device for vertically integrated control chips CN202010632569.5 A kind of 2 wire input&output led driver circuit and transfer method CN202021291784.5 A kind of Dual-line input/output LED driver circuit CN202020370271.7 A kind of new RGBIC transparent fairy string CN202020162037.5 A kind of Three wire full color LED flexible string CN202021953935.9 A digital LED module that can be arbitrarily combined CN202022770240.3 A kind of Side package LED light source lead-frame CN202022980090.9 A chip packaging structure CN202023024617.7 A kind of Arbitrary series and parallel digital LED control circuit with address CN 202120207730.4 The utility model relates to a concave LED lead-frame CN202120301360 A kind of led string (patent application in USA, Germany, Japan, Korea has been submitted) CN202110141083.6 A kind of LED string, manufacturing method and LED device used in the LED lamp string CN202110201065 A single line transmission signal processing circuit (Simultaneous application for utility model and invention patent) ......

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Worldsemi Manufacturing Base l Total 4,000sqms Workshop l 2000sqms Air Cleanliness Workshop l Brand-new Automatic Production Equipment Equipment &Production Workshop

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Part2-Main Products: 1.IC&New Products Series LED Driver IC: WS2801, WS2811, WS2814. WS2818, DMX512IC(In import production） Battery Box IC: WS2832 8 Function IC, WS2833 Timing IC 8Bit Single-chip IC:WS053E 1K ROM MTP 8bit Single CHip SOT23-6, SOP8 SOP16 WS053F 1K ROM 2 Path A/D MTP 8bit Single-chip(Under Developing） WS055 2K ROM 2 Path A/D MTP 8bit Single-chip(Under Developing） E-cigarette head IC: (In import production） Constant current LDO IC:(It is being developed for mass production and import） DC/DC Power Supply IC:(Under market evaluation）

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01 WS2801 LED industry’s first IC with two-line constant current 256 gray level point control IC (SOP14 package) 02 03 04 WS2811S : 5V For LED String,SOP8 WS2811 : 5-12V ,MSOP8,DNF8 WS2811 ：5-24V,SOP8 WS2811 Constant current single wire drive IC(SOP8,MSOP8,DFN8） WS2818 Two - line transmission breakpoint continuous constant - current IC (SOP8 CPC8 ) WS2814 RGBW LED Driver iC (SOP12 Package） WS2814A (SOP8 Package） 05 WS2816 Constant current dual line 16bit high brightness drive IC SOP8 Package DMX512 IC(In import production） 1.IC&New Products Series

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Infrared receiving head series : Nose Bridge Type, Dot Type, SMT series Optocoupler series products: Market evaluation 1.IC&New Products Series Nose Bridge Type Dot Type SMT Series Infrared receiving head series

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01 WS2812 Series LED Voltage:DC5V Current：RGB Eache channel 5mA/12mA Package： SMD5050,3535（White/Black Surface） MOLDING 2020（Transparent Molding Type） Remark：WS2812 Series LED all with 4PINs, Except WS2812S 6PIN 02 WS2813 Series LED Voltage:DC5V（Dual-signal,breakpoint-continuous ） Current：RGB Each channel 5mA/16mA RGB 3 Channel total 3+9+7=20mA Package Type： SMD5050,3535White/Black Surface） MOLDING2020（Transparent Molding Type） Remark：WS2813 Series led are all 6pins, 03 WS2815 Series LED Voltage:DC12V(Dual-signal,breakpoint-continuous ） Package:RGB 3Channels total 12mA Package:SMD5050,3535（White/Black Surface） Remark:WS2815 Series led are all 6pins) 2.Digital LED Series 04 WS2816 16bit high gray high frequency display dedicated LED Voltage:DC5V （Dual-signal,breakpoint-continuous ） Current:20mA and 10mA Package：SMD3535,2121,2427,1313 Remark：3535,2121 is 6PIN, 2427 and 1313 are 4PIN www.world-semi.com

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Digital LED : WS2812 5V 4PIN Series: 5050/3535/2427/2020/1313/4020 Package -B WS2812 Application： Transparent LED Display 2.Digital LED Series-WS2812 Family

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Part No. Package(mm) Current(mA) Need Capacitor(Y/N) Lead-frame Color Remark Features WS2812S 5050-6 Pins 12mA*3 Y White Surface 1000pcs/reel Fisrt Digital LED WS2812A 5050-4 Pins 12mA*3 N White Surface 1000pcs/reel High-Brightness WS2812B-V5/W WS2812B-B 5050-4 Pins 12mA*3 N White Surface Black Surface 1000pcs/reel and 4500pcs/reel Best-selling Classic LED Black Surface LED WS2812C WS2812C-B 5050-4 Pins 5mA*3 Y White Surface Black Surface 1000pcs/reel and 4500pcs/reel Small current LED WS2812E-V5/W 5050-4 Pins 12mA*3 N White Surface 4500pcs/reel Economy LED WS2812B-MINI-V3/W 3535-4 Pins 12mA*3 N White Surface 900pcs/reel and 3000pcs/reel 3.5mm small size led WS2812B-MINI-X1 3535-4 Pins 12mA*3 N White Surface 1500pcs/reel and 6000pcs/reel 3.5mm Thinner small size WS2812B-4020 WS2812C-4020 4020-4 Pins 12mA*3 5mA*3 N Y White Surface(Side-view） 2000pcs/reel Side-view big current Side-view small current WS2812B-2020 2020-4 Pins 12mA*3 N Molding 4500pcs/reel Big current Molding WS2812C-2020 2020-4 Pins 5mA*3 Y Molding 4500pcs/reel Small current Molding WS2812C-2427 2427-4 Pins 5mA*3 Y White Surface / Small size 2427 led WS2812C-1313 1313-4 Pin3 5mA*3 Y White Surface / Small size 1313 led 2.Digital LED Series-WS2812 Family

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Digital LED : WS2813 5V Dual-signal,breakpoint-continuous: 5050/3535/2121/1313 Package WS2813 Application： 2.Digital LED Series-WS2813 Family

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Part No. Package(m m) Current(mA) Need Capacitor(Y/N) Lead-frame Color Remark Features WS2813A-V1 5050-6 Pins 16mA*3 N White Surface 1000pcs/reel High Brightness WS2813B-V5/W 5050-6 Pins 16mA*3 N White Surface 1000pcs/reel and 4500pcs/reel Best-selling Dual-signal breakpoint-continuous WS2813B-B 5050-6 Pins 16mA*3 N Black Surface 1000pcs/reel and 4500pcs/reel Black surface Best- selling LED WS2813C-V3 WS2813C-B 5050-6 Pins 9+7+4=20mA N White Surface Black Surface 1000pcs/reel Small current Dual- signal breakpoint- continuous WS2813B-Mini-V1 WS2813C-Mini 3535-6 Pins 16mA*3 9+7+4=20mA N N White Surface 1500pcs/reel and 6000pcs/reel Big current 3.5mm LED Small current 3.5mm WS2813B-RGBW 5050-6 Pins 16mA*3 N White Surface 1000pcs/reel RGBW 4channel Dual- signal breakpoint- continuous WS2813C-2020 2020-6Pins 9+7+4=20mA N Molding 4500pcs/reel Molding Type 9:7:4 White balance led WS2813B-2121 2121-6Pins 16mA*3 N White Surface 4000pcs/reel Big current 2.1mm WS2813C-2121 2121-6Pins 9+7+4=20mA N White Surface 4000pcs/reel Small current 2.1mm 2.Digital LED Series-WS2813 Family

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Digital LED : WS2815 12V Dual-signal,breakpoint-continuous： 5050/3535 5050RGBW WS2815 2.Digital LED Series-WS2815 Family

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Part No. Package(mm) Current(mA) Need Capacitor(Y/N) Lead-frame Color Remark Features WS2815B WS2815B-B 5050-6 Pins 12mA N White Surface Black Surface 1000pcs/reel and 4500pcs/reel Digital 12V LED WS2815E WS2815E-B 5050-6 Pins 12mA Y White Surface 1000pcs/reel and 4500pcs/reel Best selling digital 12v led with dual- siganl breakpoint- continious function WS2815E-RGBW 5050-6 Pins 12mA Y White Surface Black Surface 1000pcs/reel and 4500pcs/reel RGBW Digital 12V LED WS2815E-MINI 3535-6 Pins 12mA Y White Surface 1500pcs/reel and 6000pcs/reel Small size digital 12V LED 2.Digital LED Series-WS2815 Family

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Digital LED : WS2816 16bit high-gray with high refresh frequency series： 3535/2427/2121/1313 2.Digital LED Series-WS2816 Family

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Part No. Package(mm) Current(mA) Need Capacitor(Y/N) Lead-frame Color Remark Features WS2816B-MINI 3535-6 Pins 9+7+4=20mA N White Surface 6000 PCS/REEL 3.5mm 16bit 20mA led WS2816B-2427 2427-4 Pins 9+7+4=20mA N White Surface / 4PIN 16bit 20mA led-2427 WS2816C-2427 2427-4 Pins 10mA N White Surface / 4PIN 16bit 10mA led-2427 WS2816B-2121-V1 2121-6Pins 9+7+4=20mA N White Surface 4000 PCS/REEL Best-Selling 16bit 20mA-2121 WS2816C-2121-V1 2121-6Pins 10mA N White Surface 4000 PCS/REEL Best-Selling 16bit 10mA-2121 WS2816B-2020 2020-6Pins 9+7+4=20mA N Molding 4500 PCS/REEL Molding 20mA led-2020 WS2816C-2020 2020-6Pins 10mA N Molding 4500 PCS/REEL Molding 10mA led-2020 WS2816B-1313 1313-4Pins 9+7+4=20mA N White Surface / Molding 20mA led-1313 WS2816C-1313 1313-4Pins 10mA N White Surface / Molding 10mA led-1313 2.Digital LED Series-WS2816 Family

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Full Color LED Strip:WS2811 12V/24V Series,WS2818 12V/24V Series， WS2812、WS2813Series， DMXSeries 3.LED Strip&PCBA

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RGBIC Fairy String:WS2812 5V 3 Wire Series,WS2813 5V 4Wire Series, WS2815 12V RGB/RGBW Series 4.LED RGBIC Fairy String 3Wre 5V RGB 4 Wire 5V RGB 4 Wire Dual-signal 12V RGB 12V RGBW

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4.LED RGBIC Fairy String Application

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Controller&PCBA : Single and double light dimmer , RGB microcontrol series, Simple Full color microcontrol, All kinds of customized PCBA ,etc... 5.LED Controller