Method and Apparatus for Protecting Touch-Screen Electronic Devices
First Claim
Patent Images
1. A multifunctional touch-screen device comprising:
- a touch-screen; and
a visually transparent infrared (IR)-blocking film overlaid on the touch-screen, whereby the visually transparent IR-blocking film provides prolonged workable time under conditions when the device is exposed to sunlight or to other sources of thermal radiation.
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Abstract
Electronic devices with touch-screen displays and methods to make the same. In particular the present disclosure is directed to touch-screen electronic devices with protective heat shields on their touch-screens and more particularly to portable touch-screen devices that can be used both indoors and outdoors under conditions of direct sun light and other sources of radiation heat for an extended period of time. The disclosure also relates to method of applying heat-protective shields on the touch-screen surfaces of such devices.
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Citations
25 Claims
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1. A multifunctional touch-screen device comprising:
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a touch-screen; and a visually transparent infrared (IR)-blocking film overlaid on the touch-screen, whereby the visually transparent IR-blocking film provides prolonged workable time under conditions when the device is exposed to sunlight or to other sources of thermal radiation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 21, 22, 23, 24, 25)
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17. A method for attaching an IR-blocking film, the method comprising:
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providing a multifunctional touch-screen device comprising a touch-screen; and attaching a visually transparent infrared (IR)-blocking film to the touch-screen using a polymeric adhesive, whereby the visually transparent IR-blocking film provides prolonged workable time under conditions when the device is exposed to sunlight or to other sources of thermal radiation. - View Dependent Claims (18, 19)
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20. A method for attaching a visually transparent IR-blocking film, the method comprising:
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providing a multifunctional touch-screen device comprising a touch-screen; providing a visually transparent multilayer near-infrared (NIR) reflecting film selected from PR 40®
or PR 70®
film from the 3M Company;cutting the visually transparent multilayer NIR reflecting film into a size of the touch-screen; and sticking the visually transparent multilayer NIR reflecting film to the touch-screen by electrostatic attraction.
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Specification