← Back to Patent Explorer
US6028650A Expired / Lapsed US ⏱️ 0.0 years remaining

Liquid crystal display apparatus with uniform feed-through voltage in panel

Assignee: Gold Charm Ltd
•
Filing: 1997-07-18
•
Granted: 2000-02-22
•
Expires: 2017-07-18
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

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.

References Cited (Backward Citations)

US4810060A Cited
JPH02184823A Cited
JPH02306221A Cited
JPH04166815A Cited
JPH05232509A Cited
US5781262A Cited
US5668613A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag