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EP0348209A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Image display device

Assignee: Panasonic Holdings Corp
•
Filing: 1989-06-23
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Granted: —
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Expires: 2009-06-23
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Abstract

Abstract In an image display device comprising thin film transistors and pixel electrodes (6) arranged in a matrix form on a substrate (1), a semiconductor layer (2) forming a channel region of the thin film transistor also serves as the pixel electrode (6), thereby making the structure of the device simple and facilitating the fabrication of the device.

Inventors

  • 👤 Akira Nakamura
  • 👤 Kohji Senda
  • 👤 Eiji Fujii
  • 👤 Fumiaki Emoto
  • 👤 Yasuhiro Uemoto
  • 👤 Atsuya Yamamoto
  • 👤 Kazunori Kobayashi

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-29 17:40
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/136; G02F1/1362; G02F1/1368; C; C08; C08F; C08F220/00; C08F220/02; C08F220/52; C08F220/54; G02F1/1333; G02F1/1343; G02F1/13439; G02F2202/00; G02F2202/10; G02F2202/104

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 46 words
An image display device in which a plurality of switching transistors and pixel electrodes corresponding to the respective switching transistors are formed on a substrate (1), and an active layer of the switching transistor and the pixel electrode are formed by a common semiconductor layer (2).
Claim 2
Dependent Claim 46 words
An image display device in which a plurality of switching transistors and pixel electrodes corresponding to the respective switching transistors are formed on a substrate (1), and an active layer of the switching transistor and the pixel electrode are formed by a common semiconductor layer (2).
Claim 3
Dependent Claim 18 words
An image display device according to claim 1, wherein light-transmissible holes (13) are provided in the pixel electrode.
Claim 4
Dependent Claim 27 words
An image display device according to any one of claims 1 and 2, wherein the pixel electrode is thin enough to allow the transmission of light therethrough.
Claim 5
Dependent Claim 46 words
An image display device according to claim 2, wherein an orientation film (14) rubbed in a predetermined direction and a liquid crystal layer (15) are provided above the pixel electrode and the light-transmissible hole has a shape elongated in the rubbing direction of the orientation film.
Claim 6
Dependent Claim 33 words
An image display device according to any one of claims 1, 2, 3 and 4, wherein the active layer of the switching transistor is thin enough to allow the trans­mittance of light therethrough.
Claim 7
Dependent Claim 51 words
An image display device according to any one of claims 1, 2, 3, 4 and 5, wherein an inter-layer isolation film (7) is formed between wiring lines (8) connected to electrodes of the switching transistors and the inter­layer isolation film is absent on at least a part of the pixel electrode

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