Display device and method of testing display device
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United States of America Patent
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Jul 13, 2021
Grant Date -
Oct 1, 2020
app pub date -
Dec 31, 2019
filing date -
Mar 25, 2019
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A display device includes: a display panel including signal lines in a display area and a peripheral area, the signal lines extending in a column direction and spaced apart; and test lines electrically connected to the signal lines in the peripheral area, extending in the column direction and arranged to be spaced apart. The peripheral area includes: a first peripheral area; and a second peripheral area located between the display area and the first peripheral area. The test lines include: a first test line including: a 1-1 testing portion disposed on the first peripheral area; and a 1-2 testing portion disposed on the second peripheral area; and a second test line including: a 2-1 testing portion disposed on the second peripheral area. A width of the 1-1 testing portion of the first test line is larger than a width of the 1-2 testing portion of the first test line.
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