# US 2011/0085340 A1 · LED recessed light with reflection board

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- Number: US 2011/0085340 A1
- Document ID: US20110085340A1
- Status: Published application
- Kind: A1
- Application number: 12/703,764
- Filed: 2010-02-11
- Published: 2011-04-14
- Earliest claimed: 2009-10-09
- Inventors: Meng Hsieh Chou; Yen Wei Pen; You Chuen Lain
- Web page: https://patentgrep.com/patent/US20110085340A1

## CPC

- F21V 29/773: {the planes containing the fins or blades having the direction of the light emitting axis}
- F21K 9/20: Light sources comprising attachment means
- F21K 9/68: Details of reflectors forming part of the light source
- F21S 8/02: of recess-mounted type, e.g. downlighters (specially adapted for vehicle exteriors F21S41/00-F21S45/00)
- F21V 7/00: Reflectors for light sources (characterised by cooling arrangements F21V29/505)
- F21Y 2115/10: Light-emitting diodes [LED]
- F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21K: NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED

## Abstract

An LED recessed light with reflection board includes a heat sink base, an LED illumination module mounted on the heat sink base, a sleeve, a reflection board and a transparent board. The sleeve having a fixed end, which is mounted on the heat sink base, an open end and a side wall, so that the LED illumination module is located within the sleeve. The reflection board is arranged at the side wall of the sleeve, then, the light from the LED illumination module may reflected by the reflection board. And the transparent board is located on the open end of the sleeve to cover the open end.

## Claims

### Claim 1

An LED recessed light with reflection board comprising
A heat sink base;
An LED illumination module mounted on the heat sink base;
A sleeve having a fixed end, which is mounted on the heat sink base, an open end and a side wall, so that the LED illumination module is located within the sleeve;
A reflection board arranged at the side wall of the sleeve, then, the light from the LED illumination module may reflected by the reflection board; and
A transparent board located on the open end of the sleeve to cover the open end.

### Claim 2 (depends on 1)

The LED recessed light with reflection board according to claim 1, further comprising a decorating board, which is arranged on the open end of the sleeve, a penetrated hole is formed on the decorating board, so that the transparent board may exposed from the penetrated hole of the decorating board.

### Claim 3 (depends on 1)

The LED recessed light with reflection board according to claim 1, wherein the heat sink base has a plurality of heat sinks.

### Claim 4 (depends on 1)

The LED recessed light with reflection board according to claim 1, wherein the LED illumination module includes a print circuit board, which is mounted on the heat sink base, and LED arranged on the print circuit board.

### Claim 5 (depends on 1)

The LED recessed light with reflection board according to claim 1, wherein sleeve is formed with an external flange, which has a cavity, so that the transparent board is located within the cavity of the sleeve.

### Claim 6 (depends on 1)

The LED recessed light with reflection board according to claim 1, wherein the sleeve includes two positioning posts to fix at the heat sink base.