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Apple granted yet another patent for making ‘Apple Glasses’ more comfortable

Apple has been granted several patents for making the rumored “Apple Glasses” — an augmented reality/virtual reality headset — more comfortable. The latest is number 11,340,670 for “structural thermal solutions for display devices.”

About the patent

The goal is to keep the Apple Glasses to keep from getting warm when used for long periods. In the patent filing, Apple notes that certain display panels, such as OLED and uOLED panels can operate at high temperatures. In known systems, such as wearable HMDs, for example, display panels are usually supported by a carrier, bezel, or other such structure, which is often formed from a lightweight material (e.g., plastic) to reduce the overall weight of the systems. 

Apple says that these structures, however, offer little benefit in terms of thermal regulation. Without proper cooling and heat dissipation, the panels (which are expensive and difficult to replace) can degrade over time, often resulting in irreparable damage or system failure. 

To manage and offset the heat generated by the panels during use, and increase their usable life, display systems will often incorporate additional components, such as heat sinks. However, hese additional components, however, create design challenges and add to the overall weight of the systems. 

Apple solutions for its Apple Glasses is to provide a display system that integrates thermal solutions into structural components. This combined functionality not only reduces the overall number of components, complexity, and weight of the display system, but increases thermal conductivity and improves thermal management to decrease operating temperatures and extend the system’s usable life. 

About the patent 

Here’s Apple’s abstract of the patent: “A display system, such as a wearable display device, includes a system housing including a cavity having a linear axis extending generally in parallel with first and second side walls enclosing the cavity and a display stack enclosed within the cavity and movable along the linear axis. 

“The display stack includes a display panel and a support chassis configured to support a first side of the display panel and thermally couple the display panel to the first side wall to facilitate heat transfer from the display panel, across the support chassis, and to the system housing The display stack includes a heat sink configured for support by a second side of the display panel and to thermally couple the display panel to the second side wall to facilitate heat transfer from the display panel, across the heat sink, and to the system housing.”

About Apple Glasses

When it comes to Apple Glasses, such a device will arrive in late 2022 or 2023, depending on which rumor you believe. It will be a head-mounted display. Or may have a design like “normal” glasses. Or it may be eventually be available in both. The Apple Glasses may or may not have to be tethered to an iPhone to work. Other rumors say that Apple Glasses could have a custom-build Apple chip and a dedicated operating system dubbed “rOS” for “reality operating system.”

the authorDennis Sellers
Dennis Sellers is the editor/publisher of Apple World Today. He’s been an “Apple journalist” since 1995 (starting with the first big Apple news site, MacCentral). He loves to read, run, play sports, and watch movies.
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