Display device and manufacturing method thereof
First Claim
1. A display device comprising:
- a substrate including a plurality of pixel areas;
a gate line and a gate pad connected to the gate line formed on the substrate;
a gate insulating layer disposed on the gate line and the gate pad;
a data line and a data pad connected to the data line disposed on the gate insulating layer;
a thin film transistor connected to the gate line and the data line;
a pixel electrode connected to the thin film transistor and formed in the pixel area;
a common electrode disposed on the pixel electrode to be separated from the pixel electrode via a microcavity;
a roof layer disposed on the common electrode;
a liquid crystal layer disposed in the microcavity;
an encapsulation layer disposed on the roof layer to seal the microcavity;
a first assistance gate pad, a second assistance gate pad, and a third assistance gate pad sequentially disposed on the gate pad; and
a first assistance data pad, a second assistance data pad, and a third assistance data pad sequentially disposed on the data pad, whereinthe first assistance gate pad and the first assistance data pad comprise the same material as the pixel electrode, andthe third assistance gate pad and the third assistance data pad comprise the same material as the common electrode.
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Abstract
The present invention relates to a display device and a manufacturing method thereof, wherein a spoilage layer generated in a manufacturing process is removed, and a manufacturing method of a display device according to an exemplary embodiment of the present invention includes: forming a thin film transistor on a substrate including a plurality of pixel areas; forming a pixel electrode connected to the thin film transistor in the pixel area; forming a sacrificial layer on the pixel electrode; forming a barrier layer on the sacrificial layer; forming a common electrode on the barrier layer; forming a roof layer on the common electrode; patterning the barrier layer, the common electrode, and the roof layer to exposed a portion of the sacrificial layer thereby forming an injection hole; removing the sacrificial layer to form a microcavity for a plurality of pixel areas; removing the barrier layer.
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Citations
5 Claims
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1. A display device comprising:
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a substrate including a plurality of pixel areas; a gate line and a gate pad connected to the gate line formed on the substrate; a gate insulating layer disposed on the gate line and the gate pad; a data line and a data pad connected to the data line disposed on the gate insulating layer; a thin film transistor connected to the gate line and the data line; a pixel electrode connected to the thin film transistor and formed in the pixel area; a common electrode disposed on the pixel electrode to be separated from the pixel electrode via a microcavity; a roof layer disposed on the common electrode; a liquid crystal layer disposed in the microcavity; an encapsulation layer disposed on the roof layer to seal the microcavity; a first assistance gate pad, a second assistance gate pad, and a third assistance gate pad sequentially disposed on the gate pad; and a first assistance data pad, a second assistance data pad, and a third assistance data pad sequentially disposed on the data pad, wherein the first assistance gate pad and the first assistance data pad comprise the same material as the pixel electrode, and the third assistance gate pad and the third assistance data pad comprise the same material as the common electrode. - View Dependent Claims (2, 3, 4, 5)
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Specification
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- Resources
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Current AssigneeSamsung Display Company Limited (Samsung Electronics Co. Ltd.)
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Original AssigneeSamsung Display Company Limited (Samsung Electronics Co. Ltd.)
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InventorsJeong, Chang Oh, Park, Hong Sick, Kim, Seon-Il, Moon, Min Ho, Kong, Hyang-Shik, Kim, Yeun Tae
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Primary Examiner(s)Kim, Dennis Y
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Application NumberUS14/982,317Publication NumberTime in Patent Office308 DaysField of SearchUS Class Current1/1CPC Class CodesG02F 1/133305 Flexible substrates, e.g. p...G02F 1/133377 Cells with plural compartme...G02F 1/1341 Filling or closing of cellsG02F 1/13458 Terminal padsG02F 1/136286 Wiring, e.g. gate line, dra...G02F 1/1368 in which the switching elem...
