HANDHELD ELECTRONIC DEVICE
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United States of America Patent
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app pub date -
May 6, 2016
filing date -
Apr 11, 2016
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Abstract
The invention provides a handheld electronic device including a case, a touch display module, a pressure sensing layer, and a metal layer. The case has a receiving recess. The touch display module is disposed in the receiving recess and includes an embedded touch display panel and a backlight module located under the embedded touch display panel. The pressure sensing layer is built in the touch display module. The metal layer is disposed in the receiving recess and located under the backlight module. An air gap exists between the metal layer and the backlight module. The pressure sensing layer, the air gap, and the metal layer constitute a capacitor unit. According to the invention, the production costs of the handheld electronic device are reduced and the processes of fabrication are simplified.
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