Liquid crystal display unit manufacturing method including forming one of two gate line layers of display electrode material
First Claim
1. In a method for manufacturing a liquid crystal display unit comprising:
- a TFT array substrate including a plurality of gate electrode lines juxtaposed on a transparent insulating substrate, a plurality of source electrode lines arranged across said gate electrode lines, and nonlinear active elements and display electrodes provided at the intersections of said electrode lines;
a confronting electrode substrate having a transparent conductive film on the surface thereof and confronting said TFT array substrate; and
a liquid crystal display material held between said confronting electrode substrate and said TFT array substrate, the improvement wherein each of said gate electrode lines is made in the form of two layers, each comprising a different material and one of said two layers being made of display electrode material simultaneously with the formation of said display electrode.
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Abstract
An improved method for manufacturing a liquid crystal display unit substantially free from gate electrode breakage but with no increase in the number of manufacturing steps over the conventional method. The liquid crystal display unit includes a TFT array substrate including a plurality of gate electrode lines juxtaposed on a transparent insulating substrate, a plurality of source electrode lines arranged across the gate electrode lines, nonlinear active elements disposed at the intersections of the electrode lines, a confronting electrode substrate having a transparent conductive film on the surface thereof confronting the TFT array substrate, and a liquid crystal display material being held between the confronting electrode substrate and the TFT array substrate. Each of the gate electrode lines is constructed in the form of two layers. One of the two layers is made of display electrode material simultaneously with the formation of the display electrode.
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Citations
3 Claims
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1. In a method for manufacturing a liquid crystal display unit comprising:
- a TFT array substrate including a plurality of gate electrode lines juxtaposed on a transparent insulating substrate, a plurality of source electrode lines arranged across said gate electrode lines, and nonlinear active elements and display electrodes provided at the intersections of said electrode lines;
a confronting electrode substrate having a transparent conductive film on the surface thereof and confronting said TFT array substrate; and
a liquid crystal display material held between said confronting electrode substrate and said TFT array substrate, the improvement wherein each of said gate electrode lines is made in the form of two layers, each comprising a different material and one of said two layers being made of display electrode material simultaneously with the formation of said display electrode. - View Dependent Claims (2, 3)
- a TFT array substrate including a plurality of gate electrode lines juxtaposed on a transparent insulating substrate, a plurality of source electrode lines arranged across said gate electrode lines, and nonlinear active elements and display electrodes provided at the intersections of said electrode lines;
Specification
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- Resources
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Current AssigneeMitsubishi Denki Kabushiki Kaisha (Mitsubishi Electric Corporation)
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Original AssigneeMitsubishi Denki Kabushiki Kaisha (Mitsubishi Electric Corporation)
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InventorsOhtani, Makoto, Matsumoto, Takao, Yokomizo, Masayuki, Nakagawa, Naoki, Sakamoto, Hirokazu, Hayama, Masahiro
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Primary Examiner(s)Sikes, William L.
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Assistant Examiner(s)GROSS, ANITA P
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Application NumberUS07/987,591Time in Patent Office1,457 DaysField of Search350/333, 350/334, 350/336, 359/59, 359/54, 359/87US Class Current349/147CPC Class CodesG02F 1/1362 Active matrix addressed cel...G02F 1/13629 Multilayer wirings
