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EP0186086A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Color display panel

Assignee: Canon Inc
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Filing: 1985-12-16
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Granted: —
•
Expires: 2005-12-16
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Abstract

Abstract A color display panel comprising a plurality of picture elements arranged in a plurality of rows and a plurality of columns, and a plurality of driving lines disposed substantially along columns of picture elements, each picture element forming a color picture element selected from red picture elements, green picture elements and blue picture elements. Two or three types of color picture elements selected from the red, green and blue picture elements are arranged in a column, and each type of color picture elements among the two or three types of color picture elements arranged in a column are commonly connected to a driving line.

Inventors

  • 👤 Koujiro Yokono
  • 👤 Tetsuya Kaneko
  • 👤 Shinichi Yamashita

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-27 15:26
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/12; H04N3/127; G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1335; G02F1/133509; G02F1/133514; G02F1/136; G02F1/1362; G02F1/1368; G02F2201/00; G02F2201/52

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 108 words
In a color display panel, comprising: a plurality of picture elements arranged in a plurality of rows and a plurality of columns, and a plurality of driving lines disposed generally along columns of picture elements, each picture element forming a color picture element selected from red picture elements, green picture elements and blue picture elements; the improvement wherein, two or three types of color picture elements selected from the red, green and blue picture elements are arranged in a column, and each type of color picture elements among the two or three types of color picture elements arranged in a column are commonly connected to a driving line.
Claim 2
Dependent Claim 108 words
In a color display panel, comprising: a plurality of picture elements arranged in a plurality of rows and a plurality of columns, and a plurality of driving lines disposed generally along columns of picture elements, each picture element forming a color picture element selected from red picture elements, green picture elements and blue picture elements; the improvement wherein, two or three types of color picture elements selected from the red, green and blue picture elements are arranged in a column, and each type of color picture elements among the two or three types of color picture elements arranged in a column are commonly connected to a driving line.
Claim 3
Dependent Claim 20 words
The color display panel according to Claim 1, wherein said columns of picture elements are arranged in a staggered fashion.
Claim 4
Dependent Claim 42 words
The color display panel according to Claim 1, wherein said driving lines are signal lines and a plurality of scanning lines are disposed along the rows of picture element so as to drive the picture elements in cooperation with the signal lines.
Claim 5
Dependent Claim 30 words
The color display panel according to Claim 1, wherein each picture element is provided with a semiconductor switching element and connected to the driving line through the semiconductor switching element.
Claim 6
Dependent Claim 18 words
The color display panel according to Claim 4, wherein said semiconductor switching element is a thin film transistor.
Claim 7
Dependent Claim 18 words
The color display panel according to Claim 5, wherein said thin film transistor comprises an amorphous semiconductor film.
Claim 8
Dependent Claim 34 words
The color display panel according to Claim 1, wherein said picture element comprises a pair of oppositely spaced electrodes, a liquid crystal disposed between the oppositely spaced electrodes, and a layer of color filters.
Claim 9
Dependent Claim 19 words
The color display panel according to Claim 7, herein said liquid crystal is a twisted nematic type liquid crystal.
Claim 10
Dependent Claim 17 words
The color display panel according to Claim 7, wherein said liquid crystal is a ferroelectric liquid crystal.
Claim 11
Dependent Claim 21 words
The color display panel according to Claim 7, wherein said layer of color filters is disposed between the oppositely spaced electrodes.

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