Patents
US 10386571 B1: Apparatus for coupling light into lightguides
- Granted
- 2019-08-20
- Filed
- 2016-02-26 application 15055430
- Type
- Utility · 14 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A system of light emitting diodes and lightguides can produce and distribute light in a luminaire. Two or more lightguides can be mounted adjacent one another so that their edges extend alongside one another. An optic can couple light between the light emitting diodes and the edges of the adjacent lightguides. The optic, which can be another lightguide in some examples, can mix, blend, or homogenize light received from the light emitting diodes and distribute the light among the adjacent lightguides. The optic can mix light emitted from multiple light emitting diodes so that light enters the adjacent lightguides uniformly along the edges of the lightguide, thereby eliminating or reducing any bright spots or visual inconsistencies. The optic can further allocate light uniformly among the adjacent lightguides.
Source: PVGPATDIS, file of 2026-04-10 (ipg190820.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Cooper Technologies Company 1,145 patents | US company or organization | Houston, TX | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Adam Moore Foy | Parker, CO | 19 | PVGPATDIS, file of 2026-04-10 | |
| Eric DiFelice | Aurora, CO | 16 | PVGPATDIS, file of 2026-04-10 | |
| Alexander James Ross | Aurora, CO | 19 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| G02B | Optical elements, systems or apparatus | G02B6/0076 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2020-11-12 | Correction Corrective assignment to correct the application numbers 12183490, 12183499, 12494944, 12961315, 13528561, 13600790, 13826197, 14605880, 15186648, recorded in error previously recorded on reel 052681 frame 0475. assignor(s) hereby confirms the assignment. | EATON INTELLIGENT POWER LIMITED signed 2020-03-02 | SIGNIFY HOLDING B.V. EINDHOVEN | 55965/721 | PASDL, file of 2026-10-15 |
| 2020-05-18 | Assignment Assignment of assignor's interest | EATON INTELLIGENT POWER LIMITED signed 2020-03-02 | SIGNIFY HOLDING B.V. EINDHOVEN | 52681/475 | PASDL, file of 2026-10-15 |
| 2016-03-15 | Assignment Assignment of assignor's interest | DIFELICE, ERIC T. signed 2016-02-25 FOY, ADAM MOORE signed 2016-02-25 ROSS, ALEXANDER JAMES signed 2016-02-25 | COOPER TECHNOLOGIES COMPANY HOUSTON, TX | 38088/390 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.