US6028650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid crystal display apparatus with uniform feed-through voltage in panel
Assignee: Gold Charm Ltd
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Filing: 1997-07-18
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Granted: 2000-02-22
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Expires: 2017-07-18
Abstract
Abstract In a liquid crystal display apparatus including a plurality of gate lines, a plurality of drain lines, and a plurality of pixels each including a liquid crystal cell having a pixel electrode connected to a storage capacitor and a switching element connected between the liquid crystal cell and one of the drain lines, a gate of the switching element is connected to one of the gate lines, and a capacitance of the storage capacitor is changed in accordance with a distance between said pixel and an input end of a corresponding one of the gate lines.
Inventors
- 👤 Syoichi Kuroha
- 👤 Takahiko Watanabe
- 👤 Wakahiko Kaneko
- 👤 Osamu Sukegawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:54
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/136; G02F1/1362; G02F1/136213
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
158 words
A liquid crystal display apparatus comprising: a plurality of gate lines; a plurality of drain lines; and a plurality of pixels each including a liquid crystal cell having a pixel electrode connected to a storage capacitor and a switching element connected between said liquid crystal cell and one of said drain lines, a gate of said switching element being connected to one of said gate lines, capacitances of the storage capacitors of adjacent pixels of the same gate line are changed with respect to a change in distance between the input end of a corresponding one of the gate lines and the corresponding pixel of the adjacent pixels; wherein said storage capacitor is formed by said pixel electrode, another gate line adjacent to said gate line and an insulating layer therebetween, an overlapped area of said pixel electrode and said another gate line being reduced by reducing an area of said pixel electrode as said distance is increased.
Claim 2
Dependent Claim
158 words
A liquid crystal display apparatus comprising: a plurality of gate lines; a plurality of drain lines; and a plurality of pixels each including a liquid crystal cell having a pixel electrode connected to a storage capacitor and a switching element connected between said liquid crystal cell and one of said drain lines, a gate of said switching element being connected to one of said gate lines, capacitances of the storage capacitors of adjacent pixels of the same gate line are changed with respect to a change in distance between the input end of a corresponding one of the gate lines and the corresponding pixel of the adjacent pixels; wherein said storage capacitor is formed by said pixel electrode, another gate line adjacent to said gate line and an insulating layer therebetween, an overlapped area of said pixel electrode and said another gate line being reduced by reducing an area of said pixel electrode as said distance is increased.
Claim 3
Dependent Claim
157 words
A liquid crystal display apparatus comprising: a plurality of gate lines; a plurality of drain lines; and a plurality of pixels each including a liquid crystal cell having a pixel electrode connected to a storage capacitor and a switching element connected between said liquid crystal cell and one of said drain lines, a gate of said switching element being connected to one of said gate lines, capacitances of the storage capacitors of adjacent pixels of the same gate line are changed with respect to a change in distance between the input end of a corresponding one of the gate lines and the corresponding pixel of the adjacent pixels, wherein said storage capacitor is formed by said pixel electrode, a storage capacitor line and an insulating layer therebetween, an overlapped area of said pixel electrode and said storage capacitor line being reduced as said distance is increased, wherein said storage capacitor line is made of transparent conductive material.
Claim 4
Dependent Claim
157 words
A liquid crystal display apparatus comprising: a plurality of gate lines; a plurality of drain lines; and a plurality of pixels each including a liquid crystal cell having a pixel electrode connected to a storage capacitor and a switching element connected between said liquid crystal cell and one of said drain lines, a gate of said switching element being connected to one of said gate lines, capacitances of the storage capacitors of adjacent pixels of the same gate line are changed with respect to a change in distance between the input end of a corresponding one of the gate lines and the corresponding pixel of the adjacent pixels, wherein said storage capacitor is formed by said pixel electrode, a storage capacitor line and an insulating layer therebetween, an overlapped area of said pixel electrode and said storage capacitor line being reduced as said distance is increased, wherein said storage capacitor line is made of transparent conductive material.
Claim 5
Dependent Claim
174 words
A liquid crystal display apparatus comprising: a plurality of gate lines; a plurality of drain lines; and a plurality of pixels each including a liquid crystal cell having a pixel electrode connected to a storage capacitor and a switching element connected between said liquid crystal cell and one of said drain lines, a gate of said switching element being connected to one of said gate lines, capacitances of the storage capacitors of adjacent pixels of the same gate line are changed with respect to a change in distance between the input end of a corresponding one of the gate lines and the corresponding pixel of the adjacent pixels, wherein said storage capacitor is formed by said pixel electrode, a storage capacitor line and an insulating layer therebetween, an overlapped area of said pixel electrode and said storage capacitor line being reduced as said distance is increased, wherein each of said pixels further has an optical shield layer, the overlapped area of said pixel electrode and said storage capacitor being changed under said optical shield.
Claim 6
Dependent Claim
174 words
A liquid crystal display apparatus comprising: a plurality of gate lines; a plurality of drain lines; and a plurality of pixels each including a liquid crystal cell having a pixel electrode connected to a storage capacitor and a switching element connected between said liquid crystal cell and one of said drain lines, a gate of said switching element being connected to one of said gate lines, capacitances of the storage capacitors of adjacent pixels of the same gate line are changed with respect to a change in distance between the input end of a corresponding one of the gate lines and the corresponding pixel of the adjacent pixels, wherein said storage capacitor is formed by said pixel electrode, a storage capacitor line and an insulating layer therebetween, an overlapped area of said pixel electrode and said storage capacitor line being reduced as said distance is increased, wherein each of said pixels further has an optical shield layer, the overlapped area of said pixel electrode and said storage capacitor being changed under said optical shield.
Claim 7
Dependent Claim
160 words
A gate storage type liquid crystal display apparatus comprising: a plurality of gate lines; a gate line driving circuit connected to said gate lines; a plurality of drain lines; and a plurality of pixels each including a liquid crystal cell having a pixel electrode connected to a storage capacitor, a switching element connected between said liquid crystal cell and one of said drain lines, and a storage capacitor formed by overlapping said pixel electrode over an adjacent one of said gate lines, a gate of said switching element being connected to one of said gate lines, capacitances of the storage capacitors of adjacent pixels of the same gate line are changed with respect to a change in distance between the input end of a corresponding one of the gate lines and the corresponding pixel of the adjacent pixels, wherein the capacitors of said storage capacitors are reduced, by reducing an area of said pixel electrode, as said distance is increased.
Claim 8
Dependent Claim
160 words
A gate storage type liquid crystal display apparatus comprising: a plurality of gate lines; a gate line driving circuit connected to said gate lines; a plurality of drain lines; and a plurality of pixels each including a liquid crystal cell having a pixel electrode connected to a storage capacitor, a switching element connected between said liquid crystal cell and one of said drain lines, and a storage capacitor formed by overlapping said pixel electrode over an adjacent one of said gate lines, a gate of said switching element being connected to one of said gate lines, capacitances of the storage capacitors of adjacent pixels of the same gate line are changed with respect to a change in distance between the input end of a corresponding one of the gate lines and the corresponding pixel of the adjacent pixels, wherein the capacitors of said storage capacitors are reduced, by reducing an area of said pixel electrode, as said distance is increased.
Claim 9
Dependent Claim
176 words
A storage capacitor line type liquid crystal display apparatus comprising: a plurality of gate lines; a gate line driving circuit connected to said gate lines; a plurality of storage capacitor lines in parallel with said gate lines; a plurality of drain lines; and a plurality of pixels each including a liquid crystal cell having a pixel electrode connected to a storage capacitor, a switching element connected between said liquid crystal cell and one of said drain lines, and a storage capacitor formed by overlapping said pixel electrode over one of said storage capacitor lines, a gate of said switching element being connected to one of said gate lines, capacitances of the storage capacitors of adjacent pixels of the same gate line are changed with respect to a change in distance between the input end of a corresponding one of the gate lines and the corresponding pixel of the adjacent pixels, wherein the capacitances of said storage capacitors are reduced as said distance is increased, and wherein said storage capacitor lines are made of transparent conductive material.
Claim 10
Dependent Claim
176 words
A storage capacitor line type liquid crystal display apparatus comprising: a plurality of gate lines; a gate line driving circuit connected to said gate lines; a plurality of storage capacitor lines in parallel with said gate lines; a plurality of drain lines; and a plurality of pixels each including a liquid crystal cell having a pixel electrode connected to a storage capacitor, a switching element connected between said liquid crystal cell and one of said drain lines, and a storage capacitor formed by overlapping said pixel electrode over one of said storage capacitor lines, a gate of said switching element being connected to one of said gate lines, capacitances of the storage capacitors of adjacent pixels of the same gate line are changed with respect to a change in distance between the input end of a corresponding one of the gate lines and the corresponding pixel of the adjacent pixels, wherein the capacitances of said storage capacitors are reduced as said distance is increased, and wherein said storage capacitor lines are made of transparent conductive material.
Claim 11
Dependent Claim
194 words
A storage capacitor line type liquid crystal display apparatus comprising: a plurality of gate lines; a gate line driving circuit connected to said gate lines; a plurality of storage capacitor lines in parallel with said gate lines; a plurality of drain lines; and a plurality of pixels each including a liquid crystal cell having a pixel electrode connected to a storage capacitor, a switching element connected between said liquid crystal cell and one of said drain lines, and a storage capacitor formed by overlapping said pixel electrode over one of said storage capacitor lines, a gate of said switching element being connected to one of said gate lines, capacitances of the storage capacitors of adjacent pixels of the same gate line are changed with respect to a change in distance between the input end of a corresponding one of the gate lines and the corresponding pixel of the adjacent pixels, wherein the capacitances of said storage capacitors are reduced as said distance is increased, and wherein each of said pixels further has an optical shield layer, the overlapped area of said pixel electrode and said storage capacitor being changed under said optical shield layer.
Claim 12
Dependent Claim
194 words
A storage capacitor line type liquid crystal display apparatus comprising: a plurality of gate lines; a gate line driving circuit connected to said gate lines; a plurality of storage capacitor lines in parallel with said gate lines; a plurality of drain lines; and a plurality of pixels each including a liquid crystal cell having a pixel electrode connected to a storage capacitor, a switching element connected between said liquid crystal cell and one of said drain lines, and a storage capacitor formed by overlapping said pixel electrode over one of said storage capacitor lines, a gate of said switching element being connected to one of said gate lines, capacitances of the storage capacitors of adjacent pixels of the same gate line are changed with respect to a change in distance between the input end of a corresponding one of the gate lines and the corresponding pixel of the adjacent pixels, wherein the capacitances of said storage capacitors are reduced as said distance is increased, and wherein each of said pixels further has an optical shield layer, the overlapped area of said pixel electrode and said storage capacitor being changed under said optical shield layer.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2003-02-21 | 2003-08-23 | 2004-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-02-21 | 2007-08-23 | 2008-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-02-21 | 2011-08-23 | 2012-02-22 | $7700.00 | Window Closed / Lapsed |