US4805982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Led array head
Assignee: Alps Alpine Co Ltd
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Filing: 1987-09-21
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Granted: 1989-02-21
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Expires: 2007-09-21
Abstract
Abstract Disclosed is here an LED array head in which a light emitting section thereof is selectively caused to emit light wherein a fiber bundle constituted with a plurality of optical fibers is arranged with an end portion thereof to be located at a position in the vicinity of the light emitting section. The base member for retaining fiber bundle is a protection member to protect the LED array.
Inventors
- 👤 Makoto Tomoyori
- 👤 Shinji Murata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:53
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/24; G02B6/42; G02B6/4201; G02B6/4249; G02B6/4204; G02B6/421
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
96 words
An LED array head assembly comprising: a longitudinal base member; two supporting members disposed orthogonally to said base member for supporting said base member; a ceramic substrate for supporting said supporting members; an LED chip disposed on said substrate; a transparent resin disposed on said LED chip; a bundle of optical fibers having one end seated on said transparent resin, and the other end retained in position by said base member; said base member, supporting members and ceramic substrate forming an enclosure for containing said LED chip, said transparent resin and said bundle of optical fibers.
Claim 2
Dependent Claim
96 words
An LED array head assembly comprising: a longitudinal base member; two supporting members disposed orthogonally to said base member for supporting said base member; a ceramic substrate for supporting said supporting members; an LED chip disposed on said substrate; a transparent resin disposed on said LED chip; a bundle of optical fibers having one end seated on said transparent resin, and the other end retained in position by said base member; said base member, supporting members and ceramic substrate forming an enclosure for containing said LED chip, said transparent resin and said bundle of optical fibers.
Claim 3
Dependent Claim
23 words
An LED array head assembly as in claim 1 wherein said base member comprises a slot in which said fiber bundle is encompassed.
Claim 4
Dependent Claim
23 words
An LED array head assembly as in claim 1 wherein said base member and said supporting members are formed as an integral unit.
Claim 5
Dependent Claim
23 words
An LED array head assembly as in claim 1, including wire bonds connected to said chip for applying electrical power to said chip.
References Cited (Backward Citations)
US4435064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-02-21 | 1992-08-22 | 1993-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-02-21 | 1996-08-22 | 1997-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-02-21 | 2000-08-22 | 2001-02-21 | $7700.00 | Window Closed / Lapsed |