Liquid crystal display device having an insulation film made of organic material between an additional capacity and a bus line
First Claim
1. A liquid crystal display device comprising:
- a plurality of scanning lines;
a plurality of signal lines arranged to cross said scanning lines;
a switching element provided at an intersection of one of said scanning lines and one of said signal lines;
an inter-layer insulating film made of an organic material formed above said scanning lines, said signal lines and said switching element;
a picture element electrode formed above said inter-layer insulating film; and
an additional capacity common wiring for holding a video signal, an additional capacity section being formed between said picture element electrode and said additional capacity common wiring, said additional capacity common wiring being formed above said inter-layer insulating film.
1 Assignment
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Accused Products
Abstract
A liquid crystal display device has a plurality of gate bus wirings and source bus wirings on one of paired substrates. Moreover, a inter-layer insulating film made of an organic material is provided on thin film transistors of respective picture elements, and a picture element electrode is provided on the inter-layer insulating film. Furthermore, the liquid crystal display device is provided with an additional capacity common wiring which is provided on the inter-layer insulating film and forms an additional capacity section between the picture element electrode and the additional capacity common wiring. As a result, the liquid crystal display device can realize high quality and a high aperture ratio.
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Citations
20 Claims
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1. A liquid crystal display device comprising:
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a plurality of scanning lines; a plurality of signal lines arranged to cross said scanning lines; a switching element provided at an intersection of one of said scanning lines and one of said signal lines; an inter-layer insulating film made of an organic material formed above said scanning lines, said signal lines and said switching element; a picture element electrode formed above said inter-layer insulating film; and an additional capacity common wiring for holding a video signal, an additional capacity section being formed between said picture element electrode and said additional capacity common wiring, said additional capacity common wiring being formed above said inter-layer insulating film. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A liquid crystal display device comprising:
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a plurality of scanning lines; a plurality of signal lines arranged to cross said scanning lines; a switching element provided at an intersection of one of said scanning lines and one of said signal lines; a picture element comprising a picture element electrode and a counter electrode with a liquid crystal therebetween; a wiring layer at the same electric potential as the counter electrode; a first insulating film for insulating said wiring layer from said picture element electrode; and a second insulating film having an upper surface above which said picture element electrode and said wiring layer are formed, said second insulating film insulating said picture element electrode and said common wiring from said scanning lines and said signal lines. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification