Apple inc. (20240373721). Backing Films For Displays With Curved Surfaces simplified abstract

Backing Films For Displays With Curved Surfaces

Organization Name

apple inc.

Inventor(s)

Bulong Wu of San Jose CA (US)

Zhen Zhang of Sunnyvale CA (US)

Paul S Drzaic of Morgan Hill CA (US)

Yong Sun of San Jose CA (US)

Izhar Z Ahmed of Saratoga CA (US)

Kuan H Lu of Santa Clara CA (US)

Han-Chieh Chang of San Jose CA (US)

Mingjing Ha of Cupertino CA (US)

Yung-Yu Hsu of San Jose CA (US)

Backing Films For Displays With Curved Surfaces - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240373721 titled 'Backing Films For Displays With Curved Surfaces

The abstract describes an electronic device with a display overlapped by a display cover layer, both having curved profiles. The flexible display panel is pressed over a mold to achieve desired curvature, while a backfilm is used to prevent wrinkling in the display panel with compound curvature.

• Transparent sidewall portions of the display cover layer have curved surface profiles.
• Rounded corners with areas of compound curvature are present in the transparent sidewall portions.
• The flexible display panel is molded to have compound curvature using a mold.
• A backfilm is included to absorb compressive strains in the display panel.
• The backfilm has a higher coefficient of thermal expansion than the display panel.

Potential Applications: - Consumer electronics such as smartphones and tablets - Wearable technology like smartwatches - Automotive displays and infotainment systems

Problems Solved: - Preventing wrinkling in flexible display panels with compound curvature - Enhancing the aesthetic appeal of electronic devices - Improving the durability of display cover layers

Benefits: - Enhanced design possibilities for electronic devices - Increased durability and longevity of display components - Improved user experience with visually appealing displays

Commercial Applications: Title: Curved Display Technology for Electronic Devices This technology can be utilized in the consumer electronics industry to create innovative and visually appealing electronic devices. The market implications include increased consumer interest in products with curved displays, potentially leading to higher sales and market share for companies implementing this technology.

Questions about Curved Display Technology: 1. How does the backfilm prevent wrinkling in flexible display panels with compound curvature? 2. What are the key advantages of using curved display technology in consumer electronics?

Original Abstract Submitted

an electronic device may have a display overlapped by a display cover layer. portions of the surface of the display and cover layer may have curved profiles. for example, a display cover layer may have transparent sidewall portions with curved surface profiles. the transparent sidewall portions of the display cover layer may include rounded corners having areas of compound curvature. a flexible display panel may be pressed over a mold to impart desired curvature (such as compound curvature) to the flexible display panel. to mitigate wrinkling in a flexible display panel molded to have compound curvature, a backfilm may be included that absorbs compressive strains in the display panel. the backfilm may have a coefficient of thermal expansion that is higher than that of the display panel. instead or in addition, the backfilm may have portions with different young's modulus magnitudes or different thickness magnitudes.