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US 2018/0025681 A1Published application
Display device
AssigneeSamsung Display Co., Ltd.
InventorsSung Chul HONG, Yun Hee KWAK, Mi-Sun LEE
Life of this patent
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Abstract
Provided is a display device including a plurality of pixels; a plurality of data lines connected to the plurality of pixels; a data driver applying data voltages to the plurality of data lines; and a first test pad unit connected to at least one of the plurality of data lines in order to check the data voltages, in which the first test pad unit includes a test pad which is electrically double-separated from the at least one of the data lines.
Claims18
A display device, comprising:
- a pixel;
- a data line corresponding to the pixel;
- and
- a first test pad unit connected to the data line in order to check a data voltage, the first test pad unit comprising:
- a test pad;
- a first wiring connected to the test pad;
- a stepping member facing the first wiring and separated from the first wiring, the stepping member disposed on the same layer as the first wiring;
- a second wiring facing the stepping member and separated from the stepping member, the second wiring disposed on the same layer as the stepping member, the second wiring connected to the data line;
- a first bridge member disposed on the first wiring and the stepping member;
- and
- a second bridge member disposed on the stepping member and the second wiring.
8 more elements
A display device, comprising:
- a pixel;
- a signal line corresponding to the pixel;
- and
- a test pad unit connected to the signal line in order to check a signal, the test pad unit comprising:
- a test pad;
- a first wiring connected to the test pad;
- a stepping member facing the first wiring and separated from the first wiring, the stepping member disposed on the same layer as the first wiring;
- a second wiring facing the stepping member and separated from the stepping member, the second wiring disposed on the same layer as the stepping member, the second wiring connected to the signal line;
- a first bridge member disposed on the first wiring and the stepping member;
- and
- a second bridge member disposed on the stepping member and the second wiring.
8 more elements
Dependencies are inferred from the claim text.