PIXEL DESIGNS OF IMPROVING THE APERTURE RATIO IN AN LCD
First Claim
1. A pixel structure usable in a liquid crystal display (LCD), comprising:
- (a) a scan line formed on a substrate;
(b) a data line formed over the substrate;
(c) a pixel area associated with the scan line and the data line;
(d) a switch formed inside the pixel area on the substrate;
(e) a shielding electrode formed over the switch;
(f) a plane organic layer formed over the date line and the pixel area and having no overlapping with the shielding electrode; and
(g) a pixel electrode having a first portion and a second portion extending from the first portion, and formed over the shielding electrode and the plane organic layer in the pixel area, wherein the first portion is overlapped with the shielding electrode so as to define a storage capacitor therebetween, and the second portion overlays the plane organic layer and has no overlapping with the data line,wherein the switch has a gate, a source and a drain electrically connected to the scan line, the data line and the pixel electrode, respectively.
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Accused Products
Abstract
This invention in one aspect relates to a pixel structure. In one embodiment, the pixel structure includes a scan line formed on a substrate and a data line formed over the substrate defining a pixel area, a switch formed inside the pixel area on the substrate, a shielding electrode formed over the switch, a plane organic layer formed over the date line and the pixel area and having no overlapping with the shielding electrode, and a pixel electrode having a first portion and a second portion extending from the first portion, and formed over the shielding electrode and the plane organic layer in the pixel area, wherein the first portion is overlapped with the shielding electrode so as to define a storage capacitor therebetween, and the second portion overlays the plane organic layer and has no overlapping with the data line.
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Citations
22 Claims
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1. A pixel structure usable in a liquid crystal display (LCD), comprising:
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(a) a scan line formed on a substrate; (b) a data line formed over the substrate; (c) a pixel area associated with the scan line and the data line; (d) a switch formed inside the pixel area on the substrate; (e) a shielding electrode formed over the switch; (f) a plane organic layer formed over the date line and the pixel area and having no overlapping with the shielding electrode; and (g) a pixel electrode having a first portion and a second portion extending from the first portion, and formed over the shielding electrode and the plane organic layer in the pixel area, wherein the first portion is overlapped with the shielding electrode so as to define a storage capacitor therebetween, and the second portion overlays the plane organic layer and has no overlapping with the data line, wherein the switch has a gate, a source and a drain electrically connected to the scan line, the data line and the pixel electrode, respectively. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for fabricating a pixel structure, comprising the steps of:
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(a) providing a substrate; (b) forming a scan line and a gate electrode on the substrate, wherein the gate electrode is electrically connected to the scan line; (c) forming a first insulation layer on the substrate, overlying the scan line and the gate electrode; (d) forming a semiconductor layer on the first insulation layer, wherein the semiconductor layer is overlapped with the gate electrode; (e) forming a source electrode and a drain electrode on the semiconductor layer and a data line on the first insulation layer, respectively, wherein the source electrode is electrically connected to the data line, and wherein the gate electrode, the semiconductor layer, the source electrode and the drain electrode define a switch; (f) forming a second insulation layer on the first insulation layer, overlying the data line and the switch; (g) forming a shielding electrode over the switch; (h) forming a third insulation layer on the second insulation layer, overlying the shielding electrode; (i) forming a plane organic layer on the third insulation layer such that the plane organic layer is positioned over the date line and the pixel area, and has no overlapping with the shielding electrode; and (j) forming a pixel electrode on the third insulation layer and the plane organic layer, wherein the pixel electrode has a first portion overlapped with the shielding electrode so as to define a storage capacitor therebetween, and a second portion extending from the first portion overlying the plane organic layer and having no overlapping with the shielding electrode, wherein the source electrode and the drain electrode of the switch are electrically connected to the data line and the pixel electrode respectively. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22)
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Specification