- D2Audio Inc. digital sound controllers & processors
• acquired by Intersil Corp.
- Daico Industries IF/RF & microwave
- Dain Electronics Co. LEDs, film capacitors
- Dainippon Screen Manufacturing Co., Ltd. [DNS] optical MEMS
- Dallas timer circuits, CPU supervisors, digital potentiometers, memories, telecommunication, microcontrollers, timekeeping
• acquired by Maxim
• Maxim Integrated Products Inc. acquired by ADI [Analog Devices Inc.]
- DALSA Corporation image sensors
• acquired by Teledyne Technologies Incorporated
- DAMO ACADEMY [ALIBABA DAMO ACADEMY] AI chips
- Danen Technology Corporation wafers for photovoltaic applications
- Danisense A/S current transducers
- DanoTech Co. touch panels
- DAQO Solar mono crystalline silicon solar modules
• check DAQO Group too!
- DarbeeVision Inc. video processing FPGAs
- Darwin Precisions Corporation Mini LED Film/Plates, Fine Metal Masks, backlight modules
- Data Delay Devices, Inc [DDD] delay lines, pulse generators, oscillators
- Data Device Corp. [DDC] Aerospace components,motor & power controllers
- Data Display Products LEDs
- Datang Microelectronics [Datang Telecom Technology Co., Ltd. Beijing] communications
- Datang Telecom Technology Co., Ltd. Beijing [Datang Microelectronics] communications
- DataPath Systems ADSL, mass storage, broadband communications
• acquired by LSI Logic
• now LSI Corporation
- Davicom Semiconductor ethernet chips
• check Davicom Semiconductor. Inc. [Taiwan] too!
- Dawin Electronics Co., Ltd. IGBTs, FRDs, MOSFET modules
• acquired by MagnaChip Semiconductor Corporation
- DayStar Technologies Inc. solar cells, photovoltaic foils
- DB HiTek cmos image sensor, lcd driver ic devices
- DC Components Co., Ltd. diodes, rectifiers
- DCD [Digital Core Design] Intellectual Property (IP) Core provider & System-on-Chip (SoC) design house
- DCI Incorporated LCD displays
- DCM Technologies communications
- DCT [Digital Communication Technologies] Java processors
- DDD [Data Delay Devices, Inc] delay lines, pulse generators, oscillators
- DDT [Dragon Display Technology] displays
- Dean Technology, Inc. high voltage ceramic capacitors, diodes, silicon carbide varistors, supressors, power supplies
- DecaWave Ltd. wireless communications
• acquired by Qorvo Inc.
- Deep Vision, Inc. artificial intelligence processors
- DeePhi Technology AI chips
• acquired by Xilinx Inc.
- DeepMind Technologies Ltd. artificial intelligence AI
• a division of Alphabet Inc.
- DeepOptics® Ltd. liquid crystal lenses
- Delfmems RF MEMS switches
- Delphi Corporation automotive microelectronics
- DelSolar Co., Ltd. Monocrystalline & Multicrystalline Solar Cells
- Delta Electronics Inc. displays, e-paper displays
• Please check Delta Group too!
- Delta Microelectronics ASICs
- Delta Optoelectronics Inc. displays
- Denali Software Inc. memory processors
- Dense-Pac Microsystems
• now DPAC Technologies Corp.
- DenseLight Semiconductors lasers, superluminescent diodes
- Densitron Technologies displays
• acquired by Quixant plc
- Design LED Products [DesignLED] LED light tiles
- DesignArt Networks Ltd. System-on-Chips (SoC)
• acquired by Qualcomm Inc.
- DesignLED [Design LED Products] LED light tiles
- Detection Technology photo diodes, x-ray diodes
• check Beijing DT Detector Foundry Co. Ltd too!
- Deutron Electronics Corp. memories, DRAMs
- DeutscheSolar AG [SolarWorld AG] mono- & multicrystalline wafers
- Device Engineering, Inc. line drivers, receivers, transceivers
- Diablo Technologies Inc. flash memories & interfaces
- Dialight leds, indicators
- Dialog Semiconductor Plc short-range wireless mixed-signal ICs
• PMIC Business Unit acquired by Apple Inc.
• Dialog Semiconductor Plc acquired by Renesas Electronics Corporation
- Diamond acquired by SONICblue
• graphics business line acquired by ATI Technologies • now part of AMD [Advanced Micro Devices]
- DiBcom SA television chipsets
- Dielectric Communications wireless communications
• changed name to SPX Communications Technology
- Digi International Inc. microprocessors
- Digital Communication Technologies [DCT] Java processors
- Digital Core Design [DCD] Intellectual Property (IP) Core provider & System-on-Chip (SoC) design house
- 5D-Sensing Ltd. LyDARs
- Digital Voice Systems voice compression
- DigitalQuake Inc. digital display chip
• acquired by National Semiconductor • now Texas Instruments Semiconductors [TI]
- Digitron Semiconductors diodes
- Dii Semiconductor
- Diodes Inc. diodes
- Dionics, Inc. diodes, rectifiers, transistors, sensors, MOSFET drivers, solid state relays
- Diotec power diodes & bridges
• check Diotec too!
• acquired by Semikron
- Direct Analysis biomolecular detections, DNA extraction chips
- Directed Energy Power MOS FETs
• acquired by IXIS
• IXYS Corp. acquired by Littlefuse Inc.
- Discera Inc. RF microcomponents
- Discovery Semiconductors Inc. Wide Bandwidth InGaAs Photodiodes & Optical Receivers
- Discretix Technologies Ltd.
• renamed to Sansa Security, Inc.
• Sansa Security, Inc. acquired by Advanced RISC Machines [ARM]
- Diseno de Sistemas en Silicio S.A. [DS2] powerline communications
• acquired by Marvell Technology Group Ltd.
- DisplayLink Corp. USB graphics chips
• acquired by Synaptics Inc.
- Displaytech Inc. (Micron - Displaytech) FLCOS Microdisplays
- Displaytech Ltd. LCD displays
• check Displaytech Ltd. [USA] too!
- Divio imaging and compression
- Dixin Technology Co., Ltd. (Hangzhou ) [Geo-Chip]
- dmsolar LLC mono and poly-crystalline solar cells, solar modules
- DMT [Domintech Co., Ltd. ] MEMS, motion sensors
- DNS [Dainippon Screen Manufacturing Co., Ltd. ] optical MEMS
- Dockon wireless communications, embedded antennas
- Dolphin Design SAS ASIC/SoC services, IP products
- Dolphin Integration custom circuits now Dolphin Design SAS
- Domain Dynamics Limited
- DOMINANT Semiconductors Sdn. Bhd. LEDs, RFID tags
- Dominion Semiconductor
• acquired by Toshiba
- Domintech Co., Ltd. [DMT] MEMS, motion sensors
- Domosys Corporation
• power-line communications technology acquired by Analog Devices Inc. [ADI]
- Dongbu Electronics wafer foundry
• merged to DongbuAnam Semiconductor
• please check DB HiTek
- Dongbu HiTek now DB HiTek
- DongbuAnam Semiconductor wafer foundry
• please check DB HiTek
- Dongguan Yijingyuan Optoelectronics Technology Co., Ltd. LEDs
• please check EKINGLUX Optoelectronics Technology Co., Ltd. too!
- Doodle Labs Wireless Broadband MIMO/OFDM Transceivers and Front End Subsystems (FES)
- Dot Wireless, Inc. CDMA's
• acquired by Texas Instruments
- Dotcast Inc. broadband communication
- Dover Microsystems, Inc. cybersecurity IPs
- Dow Corning Corp. silicon materials
- DPAC Technologies Corp. memories, semiconductor packaging solutions
- Dracula Technologies harvesting energy from ambient light
- Dragon Display Technology [DDT] displays
- Dream Chip Technologies GmbH ASIC, SoC, FPGA development
- DRS Technologies Inc. [Tamarisk] thermal imaging, infrared detectors
- DS2 [Diseno de Sistemas en Silicio S.A.] powerline communications
• acquired by Marvell Technology Group Ltd.
- DSPC, DSP Communications
• now Intel
- DSP Group Inc. communications, IP
• acquired by Synaptics Inc.
- DSP Technologies Inc. [Wuxi DSP Technologies] communications
• also known as Optimum Semiconductor Technologies [OST]
- DSPfactory Ltd. DSP
- Dual Aperture Inc. dual-apertured RGB-IR sensors
- DunAn Sensing LLC. MEMS-based sensing-devices
- Dune Networks Inc. communications
- DuPont Displays OLEDs
- DuPont Electronic Technologies Inc. IC packaging & interconnects
- DuPont Photomasks, Inc. photomasks
- Dust Networks Inc. System-on-Chip (SoC) for communication networks
• acquired by Linear Technology
• Linear Technology acquired by Analog Devices Inc. [ADI]
- DVDO digital video
• acquired by Silicon Image
• acquired by Lattice Semiconductor Corp.
- DynaColor
- Dynax Semiconductor Inc. GaN-on-silicon semiconductors
- Dynex Semiconductor IGBT, thyristors, diodes, SAW filters
- Dynopii Private Limited AI-powered digital and speech accent changers
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