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US6147451A Expired / Lapsed US ⏱️ 0.0 years remaining

Organic electrominiscent display device

Assignee: Sanyo Electric Co Ltd
•
Filing: 1998-08-06
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Granted: 2000-11-14
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Expires: 2018-08-06
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Abstract

Abstract The present invention has an object to produce a pixel array comprising an organic EL device and a peripheral driving circuit on the same substrate, to facilitate the fabrication of an organic EL display device and miniaturize the display device. In the organic EL display device according to the present invention, a pixel array 2 composed of an organic EL device is provided on a semiconductor substrate 1, a driving integrated circuit 3 for driving the organic EL device is formed in the periphery of the pixel array 2 on the semiconductor substrate 1, and the pixel array 2 and the driving integrated circuit 3 are integrated.

Inventors

  • 👤 Kenichi Shibata
  • 👤 Yuji Hamada

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 06:34
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/20; G09G3/22; G09G3/30; G09G3/32; G09G3/3208; G09G3/3225; H; H10; H10K; H10K59/00; H10K59/10; H10K59/12; H10K59/17; G09G2300/00; G09G2300/04; G09G2300/0404; G09G2300/0408; G09G2300/0421; G09G2300/0426; G09G2300/08; G09G2300/0809; G09G2300/0842; H10K2102/00; H10K2102/301; H10K2102/302; H10K2102/3023; H10K2102/3026; H10K2102/351; H10K59/123

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 84 words
An organic electroluminescent display device, wherein a pixel array composed of an organic electroluminescent device is provided on a semiconductor base substrate, a driving integrated circuit for driving said organic electroluminescent device is formed in the periphery of the pixel array on said semiconductor base substrate, and a cathode, an organic layer and an anode are laminated in this order on said semiconductor base substrate, so that the organic electroluminescent device emits light from its surface on the opposite side of said base substrate.
Claim 2
Dependent Claim 84 words
An organic electroluminescent display device, wherein a pixel array composed of an organic electroluminescent device is provided on a semiconductor base substrate, a driving integrated circuit for driving said organic electroluminescent device is formed in the periphery of the pixel array on said semiconductor base substrate, and a cathode, an organic layer and an anode are laminated in this order on said semiconductor base substrate, so that the organic electroluminescent device emits light from its surface on the opposite side of said base substrate.
Claim 3
Dependent Claim 21 words
The organic electroluminescent display device according to claim 1, wherein said semiconductor base substrate is composed of a monocrystalline silicon semiconductor.
Claim 4
Dependent Claim 28 words
The organic electroluminescent display device according to claim 1, wherein said semiconductor base substrate has an island composed of a polycrystalline silicon semiconductor provided on its insulating substrate.
Claim 5
Dependent Claim 27 words
The organic electroluminescent display device according to claim 1, wherein one of pixels constituting said pixel array comprises two transistors, a capacitor, and an organic electroluminescent device.
Claim 6
Dependent Claim 19 words
The organic electroluminescent display device according to claim 1, wherein said organic electroluminescent device is passively and dynamically driven.
Claim 7
Dependent Claim 61 words
An organic electroluminescent display device, wherein a pixel array composed of an organic electroluminescent device is provided on an insulating substrate, an island having a polycrystalline silicon semiconductor formed thereon in a predetermined pattern is provided on said substrate, and a thin film transistor formed in the island is used as a pixel driving device and a peripheral driving circuit device.
Claim 8
Dependent Claim 61 words
An organic electroluminescent display device, wherein a pixel array composed of an organic electroluminescent device is provided on an insulating substrate, an island having a polycrystalline silicon semiconductor formed thereon in a predetermined pattern is provided on said substrate, and a thin film transistor formed in the island is used as a pixel driving device and a peripheral driving circuit device.
Claim 9
Dependent Claim 44 words
The organic electroluminescent display device according to claim 6, wherein a cathode, an organic layer, and an anode are laminated in this order on said substrate, so that the organic electroluminescent device emits light from its surface on the opposite side of said substrate.
Claim 10
Dependent Claim 16 words
The organic electroluminescent display device according to claim 6, wherein said substrate is a transparent substrate.
Claim 11
Dependent Claim 43 words
The organic electroluminescent display device according to claim 8, wherein a cathode, an organic layer, and an anode are laminated in this order on said substrate, so that the organic electroluminescent device emits light from its surface on the side of said substrate.

References Cited (Backward Citations)

US5550066A Cited
US5612591A Cited
US5602445A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2003-11-14 2004-05-15 2004-11-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2007-11-14 2008-05-15 2008-11-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2011-11-14 2012-05-15 2012-11-14 $7700.00 Window Closed / Lapsed

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