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Home > News > Chemicals

SABIC’s lightweight resin provides lightweight comfort for users of AR eyeglasses

Source:Adsale Plastics Network Date :2023-04-04 Editor :JK
Copyright: 原创,请勿转载

Beijing LLVision Technology Co., Ltd. has developed an augmented reality (AR) eyeglasses that display voice translations in text on the lenses in real time. Hearing loss compensation and spoken language translation can now be provided using this technology.

 

LLVision employs automatic speech recognition technology and artificial intelligence to create, stream and display voice translations in milliseconds. The computer chip integrated in the legs of the glasses translates voice input into text data. The glasses connect wirelessly to a smartphone app that handles user authentication.

 

The company’s LEION Hey glasses feature legs (or temples) molded from SABIC’s tough, lightweight and inherent, non-halogenated flame-retardant ULTEM 1000 resin. ULTEM resin enables thin-wall molding of the hollow legs, which contain both a lithium-ion battery and a computer chip to enable rapid, multi-language translations.


2_web.jpg

SABIC ULTEM resin provides lightweight comfort for hearing-impaired and multi-language users of LLVision’s augmented reality eyeglasses.


SABIC’s material helps LLVision minimize the weight of the legs to give users all-day comfort, while providing high strength that enables key components to be integrated into the legs with maximum functionality.

 

“At the beginning of the design phase, we set a goal to make the lightest AR glasses on the market,” recalled Xianglong Liang, Co-Founder and Leader of Hardware Department of LLVision. “Every gram mattered to the comfort of our customers. However, with all the components required for AR glasses, including the optical module, microphone and computer chip, it was a difficult challenge.

 

During LLVision’s selection process, ULTEM resin surpassed incumbent materials used for eyeglass legs, such as amorphous polyamide (PA) resin.

 

SABIC’s polyetherimide (PEI) material provides a balance of ductility and stiffness that enables thin-wall molding to cut weight by up to 30% vs. PA and provide more space for embedded components. This specialty resin also provides better dimensional stability than PA for efficient assembly, and delivers combined stiffness and strength that allows the legs to clamp securely to the wearer’s head.


1_web.jpg

ULTEM resin’s flame retardance enhances the safety of devices that incorporate electronic components.


ULTEM resin’s flame retardance enhances the safety of devices that incorporate electronic components, and the non-halogenated formulation avoids the use of chlorine and bromine, which are associated with adverse health and environmental effects.

 

"After comparing and testing materials from more than 20 suppliers globally, we found SABIC’s ULTEM resin to be the lightest, with additional advantages of strength, resilience and inherent, non-halogenated flame retardance," Liang continued. "With the help of ULTEM resin, we lowered the overall weight of our LEION Hey glasses to just 79 grams, or 2.8 ounces."

 

ULTEM 1000 resin is an unreinforced, general-purpose grade offering high heat resistance, high strength and modulus, and broad chemical resistance. It is rated for fire safety under the UL94 V0, V2 and 5VA standards. SABIC supplies the material to LLVision in a custom gray color.

 

“LLVision’s AR smart glasses are a novel and effective way to help people communicate more easily and accurately,” stated Scott Fisher, director, ULTEM Resins & Additives for SABIC’s Specialties business. “Our high-performance ULTEM resin, which has been chosen for eyewear applications for more than a decade, helped the company address key product design and manufacturing challenges.”

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