ORGANIC LIGHT EMITTING DISPLAY DEVICE HAVING TEST PAD
First Claim
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1. An organic light emitting display device comprising:
- a substrate;
a display unit on the substrate and comprising a plurality of pixels;
a driver for providing a drive signal to the display unit;
a plurality of signal lines for transferring the drive signal to the display unit; and
a plurality of test pads electrically coupled to the signal lines,wherein the signal lines extend from the driver and branch out to a plurality of branch lines, which are respectively coupled to the pixels of the display unit, andwherein the test pads are electrically coupled to the branch lines respectively.
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Abstract
Disclosed is a light emitting display device which includes test pads for respective pixels to efficiently inspect an open or short of a circuit, that is, a short-circuiting or a breaking of wire.
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Citations
21 Claims
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1. An organic light emitting display device comprising:
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a substrate; a display unit on the substrate and comprising a plurality of pixels; a driver for providing a drive signal to the display unit; a plurality of signal lines for transferring the drive signal to the display unit; and a plurality of test pads electrically coupled to the signal lines, wherein the signal lines extend from the driver and branch out to a plurality of branch lines, which are respectively coupled to the pixels of the display unit, and wherein the test pads are electrically coupled to the branch lines respectively. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of manufacturing an organic light emitting display device, the method comprising:
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forming a display unit comprising a plurality of pixels on a substrate; forming a driver spaced apart from the display unit; forming signal lines coupling the display unit to the driver; and forming test pads electrically coupled to the signal lines, wherein the forming of the signal lines comprises forming a plurality of branch lines branched out from one signal line extended from the driver such that the plurality of branch lines are respectively coupled to pixels of the display unit, and the forming of the test pads or the forming of the branch lines comprises respectively coupling the test pads to the branch lines. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. An organic light emitting display device comprising:
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a substrate; a display unit on the substrate and comprising a red pixel, a green pixel, and a blue pixel; a scan driver for providing a scan signal to the display unit; a plurality of scan lines for transferring the scan signal to the display unit; branch lines branched from a scan line of the plurality of scan lines, and coupled to the red pixel, the green pixel, and the blue pixel, respectively; and test pads electrically coupled to the branch lines.
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Specification