Patent US4975814A successfully refreshed from Google Patents.
US4975814A
Expired / Lapsed
US
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Wide-area lamp
Assignee: Telefunken Electronic GmbH
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Filing: 1989-08-08
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Granted: 1990-12-04
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Expires: 2009-08-08
Abstract
Abstract The invention relates to a wide-area lamp and consists of a transparent mounting plate with conducting path structure on which a large number of luminescent semiconductor elements connected to the conducting path structure are mounted in a wide-area spread. Each semiconductor element is surrounded by a reflector, with these reflectors being arranged on the mounting plate and reflecting through the mounting plate the light emitted by the semiconductor elements.
Inventors
- 👤 Werner Schairer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:38
CPC Classifications
H; H10; H10W; H10W90/00; B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/2696; F; F21; F21S; F21S41/00; F21S41/10; F21S41/14; F21S41/141; F21S41/143; F21S41/151; F21S41/153; F21S41/30; F21S41/32; F21S41/322; F21S43/00; F21S43/10; F21S43/13; F21S43/14; F21S43/20; F21S43/281; F21S43/28135; F21Y; F21Y2105/00; F21Y2105/10; F21Y2109/00; F21Y2115/00; F21Y2115/10; H10H; H10H20/00; H10H20/80; H10H20/85; H10H20/852; H10H20/853; H10H20/854; H10H20/855; H10H20/856; H10W72/00; H10W72/851; H10W72/874; H10W72/884; H10W90/701; H10W90/731; H10W90/734; Y; Y10; Y10S; Y10S362/00; Y10S362/80
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
62 words
A wide-area lamp, wherein a transparent mounting plate with conducting path structure is provided, on which a large number of luminescent semiconductor elements connected to said conducting path structure are mounted in a wide-area spread, and wherein each semiconductor element is surrounded by a reflector that reflects through said mounting plate the light emitted by said semiconductor element and hitting said reflector.
Claim 2
Dependent Claim
62 words
A wide-area lamp, wherein a transparent mounting plate with conducting path structure is provided, on which a large number of luminescent semiconductor elements connected to said conducting path structure are mounted in a wide-area spread, and wherein each semiconductor element is surrounded by a reflector that reflects through said mounting plate the light emitted by said semiconductor element and hitting said reflector.
Claim 3
Dependent Claim
17 words
A wide-area lamp according to claim 1, wherein the reflectors are evenly distributed over the mounting plate.
Claim 4
Dependent Claim
26 words
A wide-area lamp according to claim 1, wherein the reflectors are placed closely adjacent in order to optimally exploit the space available on the mounting plate.
Claim 5
Dependent Claim
25 words
A wide-area lamp according to claim 1, wherein each semiconductor element is embedded in a plastic element on the underside of the transparent mounting plate.
Claim 6
Dependent Claim
18 words
A wide-area lamp according to claim 4, wherein the outer faces of the plastic elements are designed high-reflective.
Claim 7
Dependent Claim
22 words
a wide-area lamp according to claim 4, wherein the plastic elements are surrounded by a casting mold whose inside forms the reflectors.
Claim 8
Dependent Claim
23 words
A wide-area lamp according to claim 4, wherein the refractive index of the plastic element is approximately that of the transparent mounting plate.
Claim 9
Dependent Claim
46 words
A wide-area lamp according to claim 1, wherein the semiconductor elements are arranged on the underside of the transparent mounting plate and are surrounded by a shaped element whose inside forms the reflectors and wherein there is air between the plastic element and said shaped element.
Claim 10
Dependent Claim
29 words
A wide-area lamp according to claim 1, wherein the reflectors designed in parabolic form with a semiconductor element arranged in each case in the focal point of a reflector.
Claim 11
Dependent Claim
47 words
A wide-area lamp according to claim 1, wherein additional reflectors are arranged on the upper side of the transparent mounting plate that have the shape of a truncated parabola and together with the reflectors on the underside of the mounting plate have the structure of a paraboloid.
Claim 12
Dependent Claim
31 words
A wide-area lamp according to claim 10, wherein the additional reflectors on the upper side of the transparent mounting plate are designed as plastic elements whose outer surfaces are highly reflective.
Claim 13
Dependent Claim
23 words
A wide-area lamp according to claim 11, wherein the refractive index of the plastic element is approximately that of the transparent mounting plate.
Claim 14
Dependent Claim
38 words
A wide-area lamp according to claim 10, wherein the additional reflectors on the upper side of the transparent mounting plate are designed hollow by means of a shaped element, the inside of the hollow form being highly reflective.
Claim 15
Dependent Claim
30 words
A wide-area lamp according to claim 1, wherein the semiconductor elements are connected in parallel and/or in series on the transparent mounting plate by means of the conducting path structure.
Claim 16
Dependent Claim
20 words
The use of a wide-area lamp according to claim 1 for automobile lights, signal lights, side lights or traffic lights.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-12-03 | 1994-06-04 | 1994-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-12-03 | 1998-06-04 | 1998-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-12-03 | 2002-06-04 | 2002-12-04 | $7700.00 | Window Closed / Lapsed |