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US4697885A Expired / Lapsed US ⏱️ 0.0 years remaining

Display device and decal for forming a display panel terminal

Assignee: Noritake Co Ltd
•
Filing: 1986-08-19
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Granted: 1987-10-06
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Expires: 2006-08-19
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Abstract

Abstract After the process of manufacturing a cell of a display device, a thick film conductor is bonded onto the terminal portion of a transparent electrode of the display panel by a dry or wet transfer mounting method and a flexible printed circuit board for a driver is soldered on the thick film conductor, such a display device; a process for producing the display device; and a decal for dry or wet transfer mounting method to form a display panel terminal are disclosed.

Inventors

  • 👤 Toshio Minowa
  • 👤 Tetsuro Hashimoto
  • 👤 Kohji Kuroda
  • 👤 Kazutaka Nakayama

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 20:26
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1345; H; H05; H05K; H05K3/00; H05K3/10; H05K3/20; H05K3/207; H05K1/00; H05K1/02; H05K1/03; H05K1/0393; H05K1/09; H05K1/092; H05K1/095; H05K2201/00; H05K2201/03; H05K2201/032; H05K2201/0326; H05K2201/0332; H05K2201/0335; H05K2201/0338; H05K2203/00; H05K2203/01; H05K2203/0147; H05K2203/0156; H05K2203/05; H05K2203/0502; H05K2203/0531; H05K3/22; H05K3/24; H05K3/245; H05K3/36; H05K3/361; H05K3/363; Y; Y10; Y10S; Y10S359/00; Y10S359/90

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 100 words
A display device comprising: a display panel having a transparent electrode terminal; a thick film conductor bonded to said transparent electrode terminal by a transfer mounting method using a transfer decal, said thick film conductor comprising first and second layers, said first layer being bonded on said transparent electrode terminal; and a flexible printed circuit cable having a conductor soldered onto said second layer, the composition of said first layer being low in conductivity and including a resin and a conductive material, the composition of said second layer being high in conductivity and including a resin and a conductive material.
Claim 2
Dependent Claim 100 words
A display device comprising: a display panel having a transparent electrode terminal; a thick film conductor bonded to said transparent electrode terminal by a transfer mounting method using a transfer decal, said thick film conductor comprising first and second layers, said first layer being bonded on said transparent electrode terminal; and a flexible printed circuit cable having a conductor soldered onto said second layer, the composition of said first layer being low in conductivity and including a resin and a conductive material, the composition of said second layer being high in conductivity and including a resin and a conductive material.
Claim 3
Dependent Claim 62 words
The display device according to claim 1, wherein the highly conductive material is a thermosetting conductive material containing from 60 to 95% by weight of a conductor material, and the low-conductive material has a less content of a conductor material than the highly conductive material and is a thermosetting conductive material containing from 50 to 90% by weight of a conductor material.
Claim 4
Dependent Claim 28 words
The display device according to claim 1, wherein the solder joint portion of the thick film conductor and the flexible printed circuit board is covered with a resin.
Claim 5
Dependent Claim 17 words
The display device according to claim 1, wherein the display panel is a passive optical display panel.
Claim 6
Dependent Claim 19 words
The display device according to claim 4, wherein the passive optical display panel is a liquid crystal display panel.
Claim 7
Dependent Claim 20 words
The display device according to claim 1, wherein the thick film conductor is formed by a dry transfer mounting method.
Claim 8
Dependent Claim 20 words
The display device according to claim 1, wherien the thick film conductor is formed by a wet transfer mounting method.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-10-05 1991-04-06 1991-10-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-10-05 1995-04-06 1995-10-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-10-05 1999-04-06 1999-10-06 $7700.00 Window Closed / Lapsed

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