Method for manufacturing front panel of plasma display screen

A technology of a plasma display screen and a manufacturing method, which is applied in the field of manufacturing a front panel of a plasma display screen, can solve the problems of poor display quality, large alignment deviation, poor picture quality, etc., and achieves improved display quality, reduced alignment deviation, The effect of improving yield
CN102097267BInactive Publication Date: 2012-11-14SICHUAN COC DISPLAY DEVICES
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
SICHUAN COC DISPLAY DEVICES
Publication Date
2012-11-14
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention discloses a method for manufacturing a front panel of a plasma display screen. The method comprises the following steps: directly evaporating a Cr / Cu / Cr layer after an ITO (indium tin oxide) film is evaporated; carrying out exposure once, developing once and etching once to obtain a pattern provided with an ITO electrode and a Cr / Cu / Cr electrode; and etching once with different solution, thus the electrode is manufactured, wherein the technical effect in the prior art can be achieved by controlling the etching speed of each coating. The invention has the beneficial effects that:four working procedures are reduced, equipment and materials for the four working procedures can be saved; meanwhile one-step etching of the ITO electrode and the Cr / Cu / Cr electrode is realized, and the yield of the working procedure is improved; one master mask is adopted to solve the problem that the accuracy of aligning the manufactured ITO electrode and the accuracy in a BUS electrode exposure process are poor as two master masks are adopted in the prior art, thus the side effect caused by aligning error and the display quality of the display screen is improved.
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Description

technical field

[0001] The invention relates to a method for manufacturing a plasma display screen, in particular to a method for manufacturing a front panel of a plasma display screen. Background technique

[0002] At present, the mainstream plasma display screens all adopt a three-electrode surface discharge structure, which is mainly made of various graphics on the front panel and the rear panel, and finally the display screen is formed by sealing and arranging. ITO electrodes and BUS electrodes are made on the front panel, and then a transparent dielectric layer is made on the electrodes, and then a MgO layer is vapor-deposited on the dielectric layer. On the rear panel, there are ADD electrodes perpendicular to the discharge electrodes on the front panel. After the ADD electrodes are sintered, the rear dielectric is made on it, and then the RIB slurry is coated on the rear dielectric. After drying, filming, exposure, development, spraying Sand to form RIB graphics, and...

Claims

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