Test method of in-cell touch display device
AssigneesHannStar Display (Nanjing) Corporation, Hannstar Display Corp.
InventorsHsing-Ying Lee, Sung-Chun Lin, Jui-Hsin Tsai
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Abstract
A test method of an in-cell touch display device includes providing a plurality of first test signals and a plurality of second test signals to the first connection pads and the second connection pads of the in-cell touch display device, respectively. Each of the first connection pads is electrically connected to a corresponding data line of the in-cell touch display device, and each of the second connection pads is electrically connected to a corresponding touch electrode of the in-cell touch display device, and the in-cell touch display device is tested after the first and second test signals are provided to the first and second connection pads.
Claims20
A test method of an in-cell touch display device, comprising:
- providing an in-cell touch display device, wherein the in-cell touch display device has a touch display region and a peripheral region, and the in-cell touch display device comprises:
- a first substrate;
- a plurality of scan lines and a plurality of data lines disposed on the first substrate and situated in the touch display region;
- a plurality of touch electrodes situated in the touch display region;
- and
- a plurality of connection pads disposed on the first substrate and situated in the peripheral region, the connection pads comprising a plurality of first connection pads and a plurality of second connection pads, each of the first connection pads being electrically connected to a corresponding data line, and each of the second connection pads being electrically connected to a corresponding touch electrode;
- and
- performing a test of the in-cell touch display device, wherein the test of the in-cell touch display device comprises providing a plurality of first test signals to the first connection pads and a plurality of second test signals to the second connection pads.
Dependencies are inferred from the claim text.