Lattice Power Corp., a Chinese maker of LED products, has raised $80 million in Series D funding, according to VentureWire. Asia Pacific Resources Development led the round, and was joined by GSR Ventures, Mayfield Fund and Crescent HydePark. www.latticepower.com

DC Devices Inc., a Tewksbury, Mass.-based developer of structural heart devices, has raised $34 million in Series D funding. Accelmed led the round, and was joined by return backers Third Rock Ventures, General Catalyst Partners and Lumira Capital. www.dcdevicesinc.com

Synchroneuron Inc., a Waltham, Mass.-based developer of drugs to treat tardive dyskinesia and other neuropsychiatric disorders, has raised $20 million in Series B funding from Morningside Technology Ventures. www.synchroneuron.com

Drybar, a Los Angeles-based blowdry-only salon chain, has raised $20 million in new equity funding.SPK Capital led the round, and was joined by return backer Castanea Partners and individual angels. www.thedrybar.com

Luminoso, a Cambridge, Mass.-based text analytics startup, has raised $6.5 million in Series A funding. Acadia Woods led the round, and was joined by Japan’s Digital Garage. www.luminoso.com

Hinge, a new dating app that leverages Facebook profiles and photos, has raised $4.5 million in new VC funding. Backers include Founders Fund and Lowercase Capital. www.hinge.co

EnergySavvy, a Seattle-based provider of energy efficiency cloud software to utilities and state programs, has closed its previously-disclosed funding round with $8.25 million in total funding. Backers include EnerTech Capital, El Dorado Investment Holding Co., Prelude Ventures and Pivotal Investments. www.energysavvy.com

Hexadite, an Israeli provider of cybersecurity incident response solutions, has raised $2.5 million in seed funding. YL Ventures led the round, and was joined by ex-Microsoft executive Moshe Lichtman. www.hexadite.com

Private Equity Deals

Atlas Paper Mills, a portfolio company of Peak Rock Capital, has acquired Accurate Paper Recycling Inc., a Tampa, Fla.-based supplier of paper recycling services. www.accuratepaper.com

Berkshire Partners is in “advanced talks” to acquire Chicago-based hot dog and Italian sandwich restaurant chain Portillo’s Restaurant Group for nearly $1 billion, according to Bloomberg. www.portillos.com

The Blackstone Group, Cinven and Canada Pension Plan Investment Board are considering a joint bid for €5 billion in assets being sold by European cement makers Lafarge (Paris: LG) and Holcim (Swiss: HOLN), according to the FT. www.lafarge.com

Brynwood Partners has agreed to acquire the Juicy Juice fruit juice brand from Nestlé (SWX: NESN). No financial terms were disclosed. www.nestle.com

Clayton, Dubilier & Rice has completed its previously-announced $910 million acquisition of Healogics Inc., a Jacksonville, Fla.-based operator of nearly 600 hospital outpatient wound care centers, from Metalmark Capital. Healogics reports around $300 million in annual sales and more than 2,000 employees. Other suitors reportedly included TPG Capital and a consortium of Ares Management and Leonard Green & Partners. www.healogics.com

H.I.G. Capital has acquired Cascades Fine Papers Group, a Canadian maker of specialty fine papers using recycled fibers, from Cascades Inc. (TSX: CAS). No financial terms were disclosed. The business will be renamed Rolland Enterprises, which was its name before originally being acquired by Cascades. www.higcapital.com

KKR and TPG Capital are considering bids for a majority stake in Middle Eastern food manufacturer and retailer Kuwait Foods Co. (a.k.a. Al Americana), according to Bloomberg. www.americana-group.net

Myelin Health, a portfolio company of Baird Capital, has acquired AVID Design, a Norcross, Ga.–based provider of online marketing, communication and technical products and services to hospitals, healthcare systems and physician groups. www.aviddesign.com

Taxware, a Salem, N.H.–based provider of indirect tax software and a portfolio company of Vista Equity Partners, has merged with Convey Compliance Systems, a Minnetonka, Minn.–based third-party filer of 1099 forms. No financial terms were disclosed. www.convey.com

IPOs

Abraaj Group has hired Citigroup to explore strategic options for listed Pakistani utility K-Electric, in which it first invested five years ago. www.ke.com.pk

Charterhouse Capital is prepping an IPO for German insulation materials maker Armacell for the second half of this year, according to Reuters. www.armacell.com

EQT Partners has picked Goldman Sachs and ABG Sundal Collier to manage an IPO for Norwegian sporting goods and outdoor equipment retailer XXL, according to Reuters. www.xxl.no

Expro Oilfield Services LLC, a London-based provider of well flow management services to the oil and gas industry, has filed for a $100 million IPO. No trading exchange nor underwriters were listed. The company reports $1.38 billion in 2013 revenue. Shareholders include Arle Capital Partners, AlpInvest and Goldman Sachs Capital Partners. www.exprogroup.com

Gates Global, a Denver-based maker of power transmission belts and fluid power products, has withdrawn its IPO registration. Earlier this year, company owners Onex Corp. and Canada Pension Plan Investment Board agreed to sell Gates Global to The Blackstone Group for $5.4 billion. www.gatesglobal.com

Viking Therapeutics Inc., a San Diego-based developer of therapeutics for treating metabolic and endocrine disorders, has filed for a $57.5 million IPO. It plans to trade on the Nasdaq under ticker symbol VKTX, with Oppenheimer & Co. and Roth Capital Partners serving as lead underwriters. www.vikingtherapeutics.com

M&A

3i Group has sold its minority stake in UK-based architectural firm Foster + Partners back to company management for £70 million, after a seven-year holding period. www.fosterandpartners.com

Dropbox has acquired Predictive Edge, a provider of A/B testing to the ecommerce market. No financial terms were disclosed. Predictive Edge had received seed funding from Great Oaks Venture Capital and individual angels. www.dropbox.com

EIG Global Energy Partners has hired UBS to find a buyer for Pinon Gathering Co., a Houston-based gas-gathering and compression business, according to LBO Wire. The deal could be valued at between $400 million and $500 million. www.eigpartners.com

American Homes 4 Rent (NYSE: AMH) has agreed to acquire smaller rival Beazer Homes (NYSE: BZH) for approximately $263 million in cash and stock. www.beazer.com

The Kroger Co. (NYSE: KR) has agreed to acquire Vitacost.com Inc. (Nasdaq: VITC), a Boca Raton, Fla.–based online retailer of healthy living products, for approximately $280 million in cash, or $8 per share in cash. Read more.

Roche (Swiss: RO) has agreed to acquire Seragon Pharmaceuticals Inc., a San Diego-based developer of drugs for the treatment of estrogen-driven cancers. The deal is valued at upwards of $1.725 billion, including a $725 million upfront cash payment and possible earnouts. Seagon raised $30 million last year from Aisling Capital, OrbiMed Advisors, The Column Group, Topspin Partners and VenBio. Read more.

Google (Nasdaq: GOOG) has acquired Songza, a Long Island City-based music streaming and recommendation service. No financial terms were disclosed, but media reports put the purchase price at around $40 million. Songza had raised VC funding from such firms as Lerer Ventures, Deep Fork Capital, Metamorphic Ventures and William Morris Endeavor. Read more.

PPG Industries (NYSE: PPG) has completed its previously-announced acquisition of The Homax Group, a Bellingham, Wash.–based provider of decorative wall and ceiling texture repair products, from Olympus Partners. No financial terms were disclosed. www.homaxgroup.com

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