E Ink Holdings of Taiwan, parent company of E Ink Corp. of Cambridge, is bolstering its position in liquid crystal display (LCD) technology through a 10-year patent licensing agreement with AU Optronics Corp. of Taiwan.

E Ink makes the low-power black-and-white screens found on popular e-book readers like Amazon.com’s Kindle.

E Ink also owns Hydis Techologies, a South Korean firm that makes the glowing full-color LCD screens found in tablet and laptop computers.

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Under the deal, Hydis and AU will be free to incorporate each other’s technologies into their LCD products. Each company will also manufacture some screen components for the other.