IP Library Granted Patent US 9,188,319
Granted Patent B2
US 9,188,319 · App. 14/118,644 · Granted Nov 17, 2015

Lighting device

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Quick Facts
Patent No.
US 9,188,319
App. No.
14/118,644
Granted
Nov 17, 2015
Kind
B2
Abstract

A lighting device includes: a device main body; an LED unit which is mounted on a bottom surface of the device main body and which includes a plurality of LEDs which are mounted on a plurality of LED circuit boards; an optical member which is mounted on the device main body on a front side of the LED unit; and an LED circuit board pressing spring which supports the LED circuit boards in the device main body.

Claims (28)

1. A lighting device comprising:

a device main body;

an LED unit which is mounted on a bottom surface of the device main body and which comprises a plurality of LEDs which are mounted on a plurality of LED circuit boards;

an optical member which is mounted on the device main body on a front side of the LED unit; and

an LED circuit board pressing spring which supports the plurality of LED circuit boards in the device main body, wherein

the optical member comprises a projecting portion which presses the LED circuit board pressing spring.

2. The lighting device according to claim 1 ,

wherein the LED circuit board pressing spring presses the plurality of LED circuit boards such that LED circuit boards adjacent to each other are pressed together.

3. The lighting device according to claim 1 ,

wherein the LED circuit board pressing has integrally a function to support the LED circuits boards in the device main body and a function to press the plurality of LED circuit boards such that LED circuits boards adjacent to each other are pressed together.

4. The lighting device according to claim 1 , further comprising:

a pressing plate which presses the optical member to the device main body.

5. The lighting device according to claim 1 ,

wherein the LED circuit board pressing spring comprises a plurality of LED circuit board pressing portions which press the plurality of LED circuit boards.

6. A lighting device comprising:

a device main body;

an LED unit which is mounted on a bottom surface of the device main body and which comprises a plurality of LEDs which are mounted on a plurality of LED circuit boards;

an optical member which is mounted on the device main body on a front side of the LED unit;

a pressing plate which presses the optical member to the device main body; and

an LED circuit board pressing spring which supports the plurality of LED circuit boards in the device main body.

7. The lighting device according to claim 6 ,

wherein the LED circuit board pressing spring presses the plurality of LED circuit boards such that LED circuit boards adjacent to each other are pressed together.

8. The lighting device according to claim 6 ,

wherein the LED circuit board pressing spring has integrally a function to support the LED circuit boards in the device main body and a function to press the plurality of LED circuit boards such that LED circuit boards adjacent to each other are pressed together.

9. The lighting device according claim 6 , further comprising:

a pressing plate which presses the optical member to the device main body.

10. The lighting device according to claim 6 ,

wherein the LED circuit board pressing spring comprises a plurality of LED circuit board pressing portions which press the plurality of LED circuit boards.

Assignments (3)
CORRECTIVE ASSIGNMENT TO CORRECT THE ERRONEOUSLY FILED APPLICATION NUMBERS 13/384239, 13/498734, 14/116681 AND 14/301144 PREVIOUSLY RECORDED ON REEL 034194 FRAME 0143. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Recorded Dec 24, 2020
From: PANASONIC CORPORATION
To: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Reel/Frame 056788/0362 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 10, 2014
From: PANASONIC CORPORATION
To: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Reel/Frame 034194/0143 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 25, 2013
From: NAKAGAWA, YUJI; IKAWA, TOMOHIRO
To: PANASONIC CORPORATION
Reel/Frame 031846/0698 →