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07.27.2020

Dow to showcase products, technologies at Display Week 2020 that improve display assembly, reliability and performance

Company to spotlight growing portfolio of optical silicones to address industry trends toward the use of flexible and large format displays

MIDLAND, Mich. – July 27, 2020 – Dow (NYSE: Dow) will showcase two advanced products and four new innovative technologies for next-generation consumer electronics and automotive displays at the virtual Display Week 2020 show, Aug. 3-7, 2020. The products include new generation DOWSIL™ VE-6001 UV-T Optical Bonding material for high-reliability displays in harsh environments, and DOWSIL™ VE-8001 Flexible Silicone Adhesive for flexible and foldable displays. The new technologies that Dow plans to spotlight are silicone (Si)-organic hybrid adhesives that improve the mechanical strength of silicones and the durability of organic materials; a low-k (dielectric constant) silicone that stores less energy and offer excellent thermal stability; optical silicone hotmelt films (SHF) for the warp-free encapsulation of large substrates made of thin and flexible printed circuit boards (PCBs) or films; and a fast ultraviolet (UV) curing adhesive, DOWSIL™ VE-6520 UV Optical Adhesive.

“Dow has one of the broadest and most robust portfolios of optical silicones and silicone-based solutions for displays on the market today,” said Jayden Cho, global marketing segment leader for Consumer Electronics at Dow. “From innovative optical bonding materials to novel silicone-organic adhesives, Dow has been listening to what the industry needs in terms of assembly, reliability and performance. Moreover, as we continue to innovate, Dow is closely monitoring technology trends to further ensure that we are delivering the right solutions for our customers.”

Today’s display manufacturers need optical materials that support efficient high-volume production with a low total cost of ownership and an exceptional viewing experience. Optically clear bonding materials and adhesives must dispense readily, cure quickly and provide long-lasting attachment without cracking or becoming yellowish or hazy. These materials also need to withstand demanding environments. For example, automotive interior displays must endure high temperatures, elevated humidity and prolonged exposure to sunlight, and the displays for consumer electronics need excellent impact resistance and better outcoupling, along with lower power consumption. Optical silicone bonding materials and adhesives are well suited for both environments and can withstand the higher temperatures associated with micro/mini light-emitting diode (LED) chips in new emerging displays. Display manufacturers also need optical silicone technologies with greater mechanical strength and ease of application.

Among Dow’s broad range of silicone-based technologies, the company’s two advanced materials at Display Week 2020 include:

  • DOWSIL™ VE-6001 UV-T Optical Bonding material is engineered to perform under demanding conditions within automotive interiors while offering enhanced display reliability. This one-part material offers notably greater thermal stability than organic materials and exhibits less than one percent shrinkage, making it suitable for larger panel displays. After curing, this high-performance bonding material is extremely soft for a combination of stress relief and dimensional stability that helps to protect electronics from impact.
  • DOWSIL™ VE-8001 Flexible Silicone Adhesive is designed for flexible and foldable displays for smartphones, wearables, televisions and large format displays. This two-part primerless silicone adhesive is applied directly to thin metal surfaces and forms an elastic layer, or inner hinge, that helps to protect the display from damage caused by folding and unfolding.

Dow’s four new silicone-based technologies to be highlighted at Display Week 2020 include:

  • Si-organic hybrid adhesives are compounds that increase the mechanical strength of silicone and the durability and environmental stability of organic materials. These new hybrid materials are easy to process and offer strong adhesion to a variety of substrates, including aluminum, glass, plastic and epoxy.
  • Low-k (dielectric constant) silicone combines high optical clarity with reliability under harsh conditions. With their low k value of 2.3 to 2.6, these silicone-based dielectric materials (silsesquioxanes) provide good thermal stability, reliable mechanical properties (flexible to rigid) and can be tailored based on multiple technical needs to support conventional liquid processes (inkjet printing), as well as compatibility with various substrate materials (metal, glass and plastics).
  • Optical SHF materials encapsulate large surfaces and are suitable for applications where liquid curable silicones may be difficult to use. These heat-cured films are molded or laminated with substrates and relieve thermal stresses for warp-free molded/laminated results. They have a high optical transparency to support clearer, brighter displays in consumer electronics and offer excellent warp-free performance in microelectronics.
  • DOWSIL™ VE-6520 UV Optical Adhesive is a fast-curing adhesive for assembling liquid crystal displays (LCDs) and organic light-emitting diodes (OLEDs) in consumer and automotive products. This new material is also used in smartphones with under-display cameras and optical fingerprint recognition. Because this adhesive initiates curing during the gel bonding stage (B-stage), low UV power is required. Bonding after UV exposure also reaches shadowed areas where UV light may not penetrate.

DOWSIL™ Optical Materials are available worldwide through Dow’s extensive network of industry associates.

To learn more, visit dow.com/electronics.

About Dow
Dow (NYSE: DOW) combines global breadth, asset integration and scale, focused innovation and leading business positions to achieve profitable growth. The Company’s ambition is to become the most innovative, customer centric, inclusive and sustainable materials science company. Dow’s portfolio of plastics, industrial intermediates, coatings and silicones businesses delivers a broad range of differentiated science-based products and solutions for its customers in high-growth market segments, such as packaging, infrastructure and consumer care. Dow operates 109 manufacturing sites in 31 countries and employs approximately 36,500 people. Dow delivered sales of approximately $43 billion in 2019. References to Dow or the Company mean Dow Inc. and its subsidiaries. For more information, please visit www.dow.com or follow @DowNewsroom on Twitter.


For further information, please contact:

Eileen Zeng, Dow
+86.21.3851.1604
eyzeng@dow.com

Jo Duran
+1.413.448.2260, Ext. 200
jduran@ahminc.com


Photo: Low-k dielectrics silicone for foldable displays (left and center) and DOWSIL™ VE-6001 UV-T Optical Bonding for automotive displays optical bonding (right).