US6525798B1
Expired / Lapsed
US
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Liquid crystal display unit
Assignee: Bishop Display Tech LLC
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Filing: 2000-10-20
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Granted: 2003-02-25
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Expires: 2020-10-20
Abstract
Abstract A liquid crystal display unit including a plurality of pixels each including a plurality of common electrodes, a plurality of pixel electrodes, and a semiconductor switching element, a plurality of scanning signal lines, a plurality of video signal lines for outputting signals to the pixel electrodes. The display further includes an array substrate having the pixels, the scanning signal lines, and the video signal lines arranged on a surface thereof, a counter substrate arranged opposite the array substrate, and a liquid crystal layer sandwiched between the array substrate and the counter substrate, wherein each of the pixels includes a plurality of electrode pairs, each electrode pair including one of the common electrodes and an adjacent one of the pixel electrodes, and at least one of the electrode pairs differs from other electrode pairs in a thickness of its common electrode or a thickness of its pixel electrode.
Inventors
- 👤 Hiroyuki Yamakita
- 👤 Katsuhiko Kumagawa
- 👤 Akinori Shiota
- 👤 Ichiro Sato
- 👤 Akio Takimoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:09
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/136; G02F1/1333; G02F1/1343; G02F1/134309; G02F1/134363
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
143 words
A liquid crystal display unit comprising: a plurality of pixels each including a plurality of common electrodes, a plurality of pixel electrodes, and a semiconductor switching element; a plurality of scanning signal lines; a plurality of video signal lines for outputting signals to the pixel electrodes; an array substrate having the pixels, the scanning signal lines, and the video signal lines arranged on a surface thereof; a counter substrate arranged opposite the array substrate; and a liquid crystal layer sandwiched between the array substrate and the counter substrate, wherein each of the pixels includes a plurality of electrode pairs, each electrode pair comprising one of the common electrodes and an adjacent one of the pixel electrodes, and at least one of the electrode pairs differs from other electrode pairs in a thickness of its common electrode or a thickness of its pixel electrode.
Claim 2
Dependent Claim
143 words
A liquid crystal display unit comprising: a plurality of pixels each including a plurality of common electrodes, a plurality of pixel electrodes, and a semiconductor switching element; a plurality of scanning signal lines; a plurality of video signal lines for outputting signals to the pixel electrodes; an array substrate having the pixels, the scanning signal lines, and the video signal lines arranged on a surface thereof; a counter substrate arranged opposite the array substrate; and a liquid crystal layer sandwiched between the array substrate and the counter substrate, wherein each of the pixels includes a plurality of electrode pairs, each electrode pair comprising one of the common electrodes and an adjacent one of the pixel electrodes, and at least one of the electrode pairs differs from other electrode pairs in a thickness of its common electrode or a thickness of its pixel electrode.
Claim 3
Dependent Claim
46 words
The liquid crystal display unit in accordance with claim 1 , wherein each of the common electrodes or each of the pixel electrodes includes a layer of transparent insulator and a film of transparent conductor, the film covering a surface of the layer of transparent insulator.
Claim 4
Dependent Claim
41 words
The liquid crystal display unit in accordance with claim 2 , further comprising a thickness-controlling member for controlling a thickness of the liquid crystal layer, wherein said thickness-controlling member and the transparent insulator layer are integral portions of the same material.
Claim 5
Dependent Claim
134 words
A liquid crystal display unit comprising: a plurality of pixels each including a plurality of common electrodes, a plurality of pixel electrodes, and a semiconductor switching element; a plurality of scanning signal lines; a plurality of video signal lines for outputting signals to the pixel electrodes; an array substrate having the pixels, the scanning signal lines, and the video signal lines arranged on a surface thereof; a counter substrate arranged opposite the array substrate; and a liquid crystal layer sandwiched between the array substrate and the counter substrate, wherein each of the common and pixel electrodes comprises an angular-shaped portion, and at least one of the electrodes has a first angle of bend in the angular-shaped portion and other electrodes in the same pixel have a second angle of bend in the angular-shaped portion.
Claim 6
Dependent Claim
134 words
A liquid crystal display unit comprising: a plurality of pixels each including a plurality of common electrodes, a plurality of pixel electrodes, and a semiconductor switching element; a plurality of scanning signal lines; a plurality of video signal lines for outputting signals to the pixel electrodes; an array substrate having the pixels, the scanning signal lines, and the video signal lines arranged on a surface thereof; a counter substrate arranged opposite the array substrate; and a liquid crystal layer sandwiched between the array substrate and the counter substrate, wherein each of the common and pixel electrodes comprises an angular-shaped portion, and at least one of the electrodes has a first angle of bend in the angular-shaped portion and other electrodes in the same pixel have a second angle of bend in the angular-shaped portion.
Claim 7
Dependent Claim
50 words
The liquid crystal display unit in accordance with claim 4 , wherein an angle of bend of an angular-shaped portion of one of the electrodes is smaller than that of other electrodes in the same pixel, the one of the electrodes being adjacent to one of the video signal lines.
Claim 8
Dependent Claim
66 words
The liquid crystal display unit in accordance with claim 4 , wherein: each of the common electrodes comprises an angular-shaped portion having a first angle of bend; each of the pixel electrodes comprises an angular-shaped portion having a second angle of bend; and an absolute value of a difference between the first angle of bend and the second angle of bend is 0 to 10 degrees.
Claim 9
Dependent Claim
171 words
A liquid crystal display unit comprising: a plurality of pixels each including a plurality of common electrodes, a plurality of pixel electrodes, and a semiconductor switching element; a plurality of scanning signal lines; a plurality of video signal lines for outputting signals to the pixel electrodes; an array substrate having the pixels, the scanning signal lines, and the video signal lines arranged on a surface thereof; a counter substrate arranged opposite the array substrate; and a liquid crystal layer sandwiched between the array substrate and the counter substrate, wherein the pixels include a pixel for red color display and a pixel for displaying a color different than that displayed by the pixel for red color display; the pixel for red color display comprises common and pixel electrodes, each comprising an angular-shaped portion and having substantially identical bend angles; and the pixel for other color display comprises common and pixel electrodes, each comprising an angular-shaped portion having a smaller angle of bend than the electrodes of the pixel for red color display.
Claim 10
Dependent Claim
171 words
A liquid crystal display unit comprising: a plurality of pixels each including a plurality of common electrodes, a plurality of pixel electrodes, and a semiconductor switching element; a plurality of scanning signal lines; a plurality of video signal lines for outputting signals to the pixel electrodes; an array substrate having the pixels, the scanning signal lines, and the video signal lines arranged on a surface thereof; a counter substrate arranged opposite the array substrate; and a liquid crystal layer sandwiched between the array substrate and the counter substrate, wherein the pixels include a pixel for red color display and a pixel for displaying a color different than that displayed by the pixel for red color display; the pixel for red color display comprises common and pixel electrodes, each comprising an angular-shaped portion and having substantially identical bend angles; and the pixel for other color display comprises common and pixel electrodes, each comprising an angular-shaped portion having a smaller angle of bend than the electrodes of the pixel for red color display.
References Cited (Backward Citations)
JPS6321907A
Cited
DE9110936U1
Cited
JPH06160878A
Cited
US6341004B1
Cited
US6266116B1
Cited
US5977562A
Cited
JPH10148826A
Cited
JPH10307295A
Cited
US6137557A
Cited
US6297866B1
Cited
US6088078A
Cited
US6292245B1
Cited
US6128061A
Cited
US6072554A
Cited
US5946067A
Cited
US6256081B1
Cited
US6266118B1
Cited
US6219115B1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2006-02-24 | 2006-08-26 | 2007-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2010-02-24 | 2010-08-26 | 2011-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2014-02-24 | 2014-08-26 | 2015-02-25 | $7700.00 | Window Closed / Lapsed |