Display device and inspecting method thereof
AssigneeSamsung Display Co., Ltd.
InventorsSoo Won KIM, Il Ho LEE, Wan Kee JUN
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Abstract
A display device includes a touch sensor including a touch panel and a touch controller, and a crystal unit connected to the touch controller. The touch controller includes a plurality of sensing channels connected to the touch panel, and a feedback circuit. The crystal unit is connected to at least one of the sensing channels in a first mode, and is connected to the feedback circuit in a second mode.
Claims20
A display device, comprising:
- a touch sensor comprising a touch panel and a touch controller;
- and
- a crystal unit connected to the touch controller,
- wherein the touch controller comprises:
- a plurality of sensing channels connected to the touch panel;
- and
- a feedback circuit,
- wherein the crystal unit is connected to at least one of the sensing channels in a first mode, and is connected to the feedback circuit in a second mode.
A method of inspecting a display device that comprises a touch sensor comprising a touch panel and a touch controller and a crystal unit, the method comprising:
- connecting the crystal unit to at least one of a plurality of sensing channels of the touch controller;
- measuring an external capacitance of the crystal unit;
- and
- inspecting whether the external capacitance is a normal value.
Dependencies are inferred from the claim text.