Patent US6064451A successfully refreshed from Google Patents.
US6064451A
Expired / Lapsed
US
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Liquid crystal display device having transparent conductive layer
Assignee: LG Display Co Ltd
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Filing: 1997-09-22
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Granted: 2000-05-16
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Expires: 2017-09-22
Abstract
Abstract A liquid crystal display device includes a first substrate including a plurality of data bus lines, a plurality of gate bus lines, and a plurality of thin film transistors at cross points of the plurality gate bus lines and the plurality of gate bus lines; a second substrate including a color filter layer; at least one shielding layer for shielding an outer induced electric field; and a liquid crystal layer sandwiched between the first substrate and the second substrate.
Inventors
- 👤 Young Jin Oh
- 👤 Kyoung Nam Lim
- 👤 Dong Hyo Gu
- 👤 Sang Ho Lee
- 👤 Min Cheol Shin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:03
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1343; G02F1/134309; G02F1/134363; G02F1/136; G02F1/1335; G02F1/1362; G02F1/136218
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
127 words
A liquid crystal display device, comprising: a first substrate including a plurality of data bus lines, a plurality of gate bus lines, and a plurality of thin film transistors at cross points of the plurality of gate bus lines and the plurality of data bus lines; a second substrate including a color filter layer; a liquid crystal layer sandwiched between the first substrate and the second substrate; a pair of electrodes over the first substrate to apply an electric field to the liquid crystal layer parallel to surfaces of the first and second substrates; and at least one shielding layer for shielding an outer electric field, wherein said at least one shielding layer can be located anywhere on the first substrate of the liquid crystal display device.
Claim 2
Dependent Claim
127 words
A liquid crystal display device, comprising: a first substrate including a plurality of data bus lines, a plurality of gate bus lines, and a plurality of thin film transistors at cross points of the plurality of gate bus lines and the plurality of data bus lines; a second substrate including a color filter layer; a liquid crystal layer sandwiched between the first substrate and the second substrate; a pair of electrodes over the first substrate to apply an electric field to the liquid crystal layer parallel to surfaces of the first and second substrates; and at least one shielding layer for shielding an outer electric field, wherein said at least one shielding layer can be located anywhere on the first substrate of the liquid crystal display device.
Claim 3
Dependent Claim
19 words
The device according to claim 1, wherein the at least one shielding layer includes a transparent conductive metal layer.
Claim 4
Dependent Claim
16 words
The device according to claim 2, wherein the transparent conductive metal layer includes indium tin oxide.
Claim 5
Dependent Claim
28 words
The device according to claim 1, wherein the at least one shielding layer is formed at an inner surface of the first substrate facing the liquid crystal layer.
Claim 6
Dependent Claim
18 words
The device according to claim 4, further comprising an insulating layer on the at least one shielding layer.
Claim 7
Dependent Claim
15 words
The device according to claim 1, further comprising a black matrix on the second substrate.
Claim 8
Dependent Claim
41 words
The device according to claim 1, wherein the at least one shielding layer includes a first shielding layer formed at an outer surface of the first substrate, and a second shielding layer formed at an outer surface of the second substrate.
Claim 9
Dependent Claim
41 words
The device according to claim 1, wherein the at least one shielding layer includes a first shielding layer formed at an outer surface of the first substrate, and a second shielding layer formed at an inner surface of the second substrate.
Claim 10
Dependent Claim
41 words
The device according to claim 6, wherein the at least one shielding layer includes a first shielding layer formed at an outer surface of the first substrate, and a second shielding layer formed on the black matrix of the second substrate.
Claim 11
Dependent Claim
42 words
The device according to claim 1, wherein the at least one shielding layer includes a first shielding layer formed at an outer surface of the first substrate, and a second shielding layer formed on the color filter layer of the second substrate.
Claim 12
Dependent Claim
41 words
The device according to claim 1, wherein the at least one shielding layer includes a first shielding layer formed at an inner surface of the first substrate, and a second shielding layer formed at an outer surface of the second substrate.
Claim 13
Dependent Claim
16 words
The device according to claim 11, further comprising an insulating layer on the first shielding layer.
Claim 14
Dependent Claim
41 words
The device according to claim 1, wherein the at least one shielding layer includes a first shielding layer formed at an inner surface of the first substrate, and a second shielding layer formed at an inner surface of the second substrate.
Claim 15
Dependent Claim
16 words
The device according to claim 13, further comprising an insulating layer on the first shielding layer.
Claim 16
Dependent Claim
41 words
The device according to claim 6, wherein the at least one shielding layer includes a first shielding layer formed at an inner surface of the first substrate, and a second shielding layer formed on the black matrix of the second substrate.
Claim 17
Dependent Claim
16 words
The device according to claim 15, further comprising an insulating layer on the first shielding layer.
Claim 18
Dependent Claim
42 words
The device according to claim 1, wherein the at least one shielding layer includes a first shielding layer formed at an inner surface of the first substrate, and a second shielding layer formed on the color filter layer of the second substrate.
Claim 19
Dependent Claim
16 words
The device according to claim 17, further comprising an insulating layer on the first shielding layer.
Claim 20
Dependent Claim
60 words
The device according to claim 1, further comprising: a pair of electrodes over the first substrate to apply an electric field to the liquid crystal layer parallel to surfaces of the first and second substrates; a passivation layer on the first substrate; a first alignment layer on the passivation layer; and a second alignment layer on the color filter layer.
Claim 21
Dependent Claim
15 words
The device according to claim 19, wherein the first alignment layer includes a photo-alignment material.
Claim 22
Dependent Claim
21 words
The device according to claim 20, wherein the photo-alignment material is selected from a group consisting of polysiloxane-based materials and polyvinylfluorocinnamate.
Claim 23
Dependent Claim
15 words
The device according to claim 19, wherein the second alignment layer includes a photo-alignment material.
Claim 24
Dependent Claim
21 words
The device according to claim 22, wherein the photo-alignment material is selected from a group consisting of polysiloxane-based materials and polyvinylfluorocinnamate.
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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) | 2003-05-16 | 2003-11-15 | 2004-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-05-16 | 2007-11-15 | 2008-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-05-16 | 2011-11-15 | 2012-05-16 | $7700.00 | Window Closed / Lapsed |