BACKLIGHT MODULE AND ILLUMINANT STRUCTURE THEREOF

• US 20070189041A1
• Filed: 06/29/2006
• Published: 08/16/2007
• Est. Priority Date: 02/13/2006
• Status: Abandoned Application

• Current Assignee: AU Optronics Corporation
• Original Assignee: AU Optronics Corporation
• Inventors: Wu, Chih-Kang, Chen, Sheng-Jie
• Application Number:
  US11/427,399
• Publication Number:
  US 20070189041A1
• Time in Patent Office: Days
• US Class Current: 362/631
• CPC Class Codes: G02F 1/133604 with lamps
• CPC Class Codes: G02F 1/133612 Electrical details
• CPC Class Codes: H05K 2201/10113 Lamp
• CPC Class Codes: H05K 2201/10333 Individual female type metallic connector elements
• CPC Class Codes: H05K 3/32 electrically connecting electric components or wires to printed circuits

Abstract

An illuminant structure, adapted to a liquid crystal display, is provided. The illuminant structure includes a printed circuit board (PCB) having a conducting line and a connector. The connector is mounted on the back side of the PCB and electrically connected to the conducting line. A socket is mounted on the top side of PCB and electrically connected to the conducting line. A lamp having an external electrode is bracketed by and electrically connected to the socket.

Claims

1. An illuminant structure for use in a liquid crystal display, comprising:

a printed circuit board having a top side, a back side, a conducting line and a connector, wherein the connector is disposed on the back side of the printed circuit board and electrically connects to the conducting line;

a socket mounted on the top side of the printed circuit board and electrically connecting to the conducting line; and

a lamp having external electrodes held by and electrically connected to the sockets.

2. The illuminant structure as claimed in claim 1, further comprising an inverter electrically connecting to the connector.

3. The illuminant structure as claimed in claim 1, wherein the conducting line is disposed on the top side of the printed circuit board.

4. The illuminant structure as claimed in claim 1, wherein the conducting line is laid on the back side of the printed circuit board.

5. A backlight module, for a liquid crystal display, comprising:

a frame;

an inverter arranged in the frame;

a printed circuit board, in the frame, having a conducting line and a connector, wherein the connector is disposed on the back side of the printed circuit board and electrically connected to the conducting line and the inverter;

a plurality of sockets mounted on the top side of the printed circuit board and electrically connected to the conducting line;

a plurality of lamps, each of which has external electrodes, held by and electrically connected to the sockets; and

at least one optical film disposed over the plurality of lamps in the frame.

6. The backlight module as claimed in claim 5, wherein the at least one optical film comprises a diffuser, a prism film, or a brightness enhancement film.

7. The backlight module as claimed in claim 5, further comprising a light guide disposed over the plurality of lamps in the frame.

8. The backlight module as claimed in claim 5, wherein the conducting line is disposed on the top side of the printed circuit board.

9. The backlight module as claimed in claim 5, wherein the conducting line is disposed on the back side of the printed circuit board.