Liquid crystal display apparatus including the same transparent material in the TFT semiconductor layer and a sub-pixel electrode
First Claim
1. A liquid crystal display apparatus comprising:
- a liquid crystal layer;
a first substrate and a second substrate interposing the liquid crystal layer therebetween;
a pixel electrode and a counter electrode respectively provided on opposing faces of the first substrate and the second substrate for applying a voltage to the liquid crystal layer; and
a thin-film transistor provided on the first substrate and electrically connected to the pixel electrode, the thin-film transistor including a semiconductor layer having a source region and a drain region,wherein the pixel electrode is divided into a first sub-pixel electrode and a second sub-pixel electrode;
parts of the first and second sub-pixel electrodes are overlapped via an insulating layer with each other; and
at least one of the first and second sub-pixel electrodes is made of the same transparent material as a material for the semiconductor layer.
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Accused Products
Abstract
A liquid crystal display apparatus includes: a liquid crystal layer; a first substrate and a second substrate interposing the liquid crystal layer therebetween; a pixel electrode and a counter electrode respectively provided on opposing faces of the first substrate and the second substrate for applying a voltage to the liquid crystal layer; and a thin-film transistor provided on the first substrate and electrically connected to the pixel electrode, the thin-film transistor including a semiconductor layer having a source region and a drain region, wherein the pixel electrode is divided into a first sub-pixel electrode and a second sub-pixel electrode; parts of the first and second sub-pixel electrodes are overlapped via an insulating layer with each other; and at least one of the first and second sub-pixel electrodes is made of the same transparent material as a material for the semiconductor layer.
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Citations
14 Claims
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1. A liquid crystal display apparatus comprising:
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a liquid crystal layer; a first substrate and a second substrate interposing the liquid crystal layer therebetween; a pixel electrode and a counter electrode respectively provided on opposing faces of the first substrate and the second substrate for applying a voltage to the liquid crystal layer; and a thin-film transistor provided on the first substrate and electrically connected to the pixel electrode, the thin-film transistor including a semiconductor layer having a source region and a drain region, wherein the pixel electrode is divided into a first sub-pixel electrode and a second sub-pixel electrode;
parts of the first and second sub-pixel electrodes are overlapped via an insulating layer with each other; and
at least one of the first and second sub-pixel electrodes is made of the same transparent material as a material for the semiconductor layer. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A liquid crystal display apparatus comprising:
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a liquid crystal layer; a first substrate and a second substrate interposing the liquid crystal layer therebetween; a pixel electrode and a counter electrode respectively provided on opposing faces of the first substrate and the second substrate for applying a voltage to the liquid crystal layer; and a thin-film transistor provided on the first substrate and electrically connected to the pixel electrode, the thin-film transistor having a gate electrode, wherein the pixel electrode is divided into a first sub-pixel electrode and a second sub-pixel electrode;
parts of the first and second sub-pixel electrodes are overlapped via an insulating layer with each other; and
at least one of the first and second sub-pixel electrodes is made of the same transparent material as a material for the gate electrode. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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Specification
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- Resources
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Current AssigneeMatsushita Electric Industrial Company Limited (Panasonic Holdings Corporation)
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Original AssigneeMatsushita Electric Industrial Company Limited (Panasonic Holdings Corporation)
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InventorsMichibayashi, Akiko, Kawamura, Tetsuya, Furuta, Mamoru, Miyata, Yutaka
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Primary Examiner(s)Sikes, William L.
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Assistant Examiner(s)Dudek, James A.
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Application NumberUS08/456,563Time in Patent Office873 DaysField of Search359/59, 359/54, 359/87, 349/140, 349/144, 349/147US Class Current349/140CPC Class CodesG02F 1/134309 characterised by their geom...G02F 1/134345 Subdivided pixels, e.g. for...G02F 1/134354 the sub-pixels being capaci...G02F 1/136213 Storage capacitors associat...G02F 1/1368 in which the switching elem...
