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EP0317850A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Liquid crystal display device

Assignee: Hitachi Ltd
•
Filing: 1988-11-11
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Granted: —
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Expires: 2008-11-11
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Abstract

Abstract A liquid crystal color display element has striped red, green and blue color filters (R,G,B) and comb electrodes (5R, 5G,5B) corresponding to the respective red, green and blue color filters. At least two of the comb electrodes are connected in parallel and interlieved with an independent electrode composed of the remaining comb electrode.

Inventors

  • 👤 Hiroshi Ito
  • 👤 Masaru Kugo
  • 👤 Michiaki Kurosawa

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-30 05:08
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/23; G02F1/13; G02F1/133; G02F1/1333; G02F1/1343; G02F1/134309; G02F1/134327; G02F1/1335; G02F1/133509; G02F1/133514; G02F2201/00; G02F2201/52

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 52 words
A liquid crystal color display element comprising a common electrode, striped red, green and blue color filters and comb electrodes opposing to said common electrode through said red, green and blue color filters, respectively, at least two of said comb electrodes being connected in parallel and interlieved with the remaining comb electrode.
Claim 2
Dependent Claim 52 words
A liquid crystal color display element comprising a common electrode, striped red, green and blue color filters and comb electrodes opposing to said common electrode through said red, green and blue color filters, respectively, at least two of said comb electrodes being connected in parallel and interlieved with the remaining comb electrode.
Claim 3
Dependent Claim 30 words
The liquid crystal color display element claimed in claim 1, wherein said at least two comb electrodes connected in parallel are associated with said green and blue color filters, respectively.
Claim 4
Dependent Claim 38 words
The liquid crytal color display element claimed in claim 2, wherein said at least two comb electrodes connected in parallel are formed integrally and said green and blue color filters associated therewith are combined to form blue-green color.
Claim 5
Dependent Claim 47 words
The liquid crystal color display element claimed in any of claims 1 to 3, wherein said common electrode is divided into a plurality of common electrode pieces each covering a substantial portion of one of said comb electrodes and a portion of another of said comb electrodes.

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