CN1655033A - Directly-down backlight module and display unit - Google Patents
Directly-down backlight module and display unit Download PDFInfo
- Publication number
- CN1655033A CN1655033A CN 200510064059 CN200510064059A CN1655033A CN 1655033 A CN1655033 A CN 1655033A CN 200510064059 CN200510064059 CN 200510064059 CN 200510064059 A CN200510064059 A CN 200510064059A CN 1655033 A CN1655033 A CN 1655033A
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- backlight module
- cover body
- rear cover
- direct type
- type backlight
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- 239000011159 matrix material Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Abstract
This invention relates to a direct-remove backlight module and a display device including a front panel, a back cover and at least one light source, among which, the back cover includes an inside face and an outside face and said light source is set on the inside surface of the back cover, a wire connects the light source and the front panel. The structure of the direct-remove module can be reformed to one lifted from the back by this invented design to exchange light sources and the wires will not interface said front panel due to the circuit design.
Description
Technical field
The present invention is relevant for a kind of direct type backlight module and use this backlight module in display device wherein.
Background technology
See also Fig. 1; known direct type backlight module 1 comprises; following two layers of metal shell 11; accompany diffusion sheet 12 in the middle of the metal shell 11; prismatic lens 13; cold cathode fluorescent lamp 14; assemblies such as reflector plate 16 and circuit board 17; when cold cathode fluorescent lamp 14 and during brightness deterioration through long-time the use; usually cold cathode fluorescent lamp 14 can be changed; but when changing cold cathode fluorescent lamp 14; all component is in layer dismantled in must first backlight module 1; again cold cathode fluorescent lamp 14 is replaced; this mode causes sizable inconvenience when changing fluorescent tube; simultaneously when disassembling, also may produce dust and fall into backlight module 1, or cause the damage of intraware when disassembling accidentally.
Summary of the invention
In order to improve above-mentioned shortcoming, the invention provides a kind of direct type backlight module, this backlight module comprises a front panel, a rear cover body and at least one light source that is arranged on the rear cover body, rear cover body comprises a medial surface and a lateral surface, and light source is arranged at the medial surface of rear cover body, light source includes an electric wire, and electric wire is electrically connected light source with front panel.
The backlight module of the first embodiment of the present invention also includes at least one active connection, and this active connection articulates the medial surface of front panel and rear cover body, and has a storage tank on the web member, in order to ccontaining this electric wire.
Second and third embodiment of the present invention is with the lateral surface of electric wire by this rear cover body, so that light source is electrically connected with front panel.
In addition, the present invention also comprises a kind of display device, and this display device includes aforesaid direct type backlight module.
For above and other objects of the present invention, feature and advantage can be become apparent, hereinafter enumerate preferred embodiment especially, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is known direct type backlight module synoptic diagram;
Synoptic diagram when Fig. 2 A raises rear cover body and exposes light source for the first embodiment of the invention backlight module;
The synoptic diagram of Fig. 2 B when to be the first embodiment of the invention backlight module according to the rotation of arrow F direction close rear cover body;
Synoptic diagram when Fig. 3 A raises rear cover body and exposes light source for the second embodiment of the invention backlight module;
The synoptic diagram of Fig. 3 B when to be the second embodiment of the invention backlight module according to the rotation of arrow F direction close rear cover body;
Fig. 4 is a second embodiment of the present invention perspective diagram;
Fig. 5 is a third embodiment of the present invention synoptic diagram.
Symbol description:
Known technology
The 1-direct type backlight module
The 11-metal shell
The 12-diffusion sheet
The 13-prismatic lens
The 14-cold cathode fluorescent lamp
The 16-reflector plate
The 17-circuit board
The present invention
The 2-direct type backlight module
The 21-front panel
The 22-rear cover body
The 221-medial surface
The 222-lateral surface
The 223-fixture
The 23-light source
The 231-electric wire
The 24-web member
The 241-storage tank
25,25a, 25b-electric connection line
Embodiment
Direct type backlight module of the present invention can be applicable in the display device, and its modular structure is as described below.
First embodiment
See also Fig. 2 A, 2B, direct type backlight module 2 includes a front panel 21, one rear cover body 22 and a plurality of light source 23, be provided with diffusion sheet in the front panel 21, prismatic lens, assembly such as reflector plate and circuit board (not shown), rear cover body 22 comprises a medial surface 221, light source 23 includes on the medial surface 221 that an electric wire 231 is arranged at rear cover body 22, to be electrically connected between the light source 23 with electric wire 231, be electrically connected with circuit board in the front panel 21 again, and light source 23 is perpendicular or parallel in the long side of rear cover body 22, can be cold cathode fluorescent lamp, light emitting diode matrix or U-shaped cold cathode fluorescent lamp, and when being the U-shaped cold cathode fluorescent lamp as if light source 23, be arranged at during this U-shaped cold cathode fluorescent lamp on this rear cover body 22, and it is perpendicular or parallel in the long side of this rear cover body 22, in addition, rear cover body 22 includes at least one fixture 223, provides this rear cover body 22 to lock in admittedly on this front panel 21, and this fixture 223 can be a screw, and rear cover body 22 is approximately 0 °-180 ° apart from front panel 21 openable angular ranges.
Direct type backlight module 2 also includes an active connection 24, and web member 24 is articulated in the medial surface 221 of front panel 21 and rear cover body 22, and has a storage tank 241 on the web member 24, and this storage tank 241 digs to be located on the web member 24, in order to ccontaining this electric wire 231.
By light source 23 is located on the rear cover body 22, can change the light source 23 that makes the briliancy deepening because of long-time easily, and the backlight module 1 (Fig. 1) that avoids in the known technology needs dismounting in layer, could change light source.In addition, this electric wire 231 is located in the storage tank 241, can avoid when cover plate 22 when carrying out open and close movement with respect to front panel, accommodation space does not produce interference to electric wire 231 because of having fixedly, hinders the folding of cover plate 22.
Second embodiment
See also Fig. 3 A, 3B, 4, direct type backlight module 2 includes a front panel 21, a rear cover body 22, a plurality of light source 23 and an electric connection line 25, be provided with assembly (not shown) such as diffusion sheet, prismatic lens, reflector plate and circuit board in the front panel 21, rear cover body 22 comprises a medial surface 221 and a lateral surface 222, light source 23 includes on the medial surface 221 that an electric wire 231 is arranged at rear cover body 22, to be electrically connected between the light source 23 with electric wire 231, and electric connection line 25 is located on the lateral surface 222 of rear cover body 22, and is connected with electric wire 231 and is connected to front panel 21.By light source 23 is located on the rear cover body 22, can change the light source 23 that makes the briliancy deepening because of long-time easily, and the backlight module 1 (Fig. 1) that avoids in the known technology needs dismounting in layer, could change light source.In addition, because this electric wire 231 utilizes electric connection line 25 to be connected with this front panel 21, and this electric connection line 25 is connected to front panel 21 by the lateral surface 222 of rear cover body 22, so when rear cover body 22 carries out relative open and close movement with front panel 21, electric connection line 25 is not because of being located between medial surface 221 and the front panel 21, so can not produce interference.
The 3rd embodiment
See also Fig. 5, direct type backlight module 2 includes a front panel 21, one rear cover body 22, a plurality of light sources 23 and two electric connection line 25a, 25b, be provided with diffusion sheet in the front panel 21, prismatic lens, assembly such as reflector plate and circuit board (not shown), rear cover body 22 comprises a medial surface 221 (seeing also Fig. 3 A) and a lateral surface 222, light source 23 includes on the medial surface 221 that an electric wire 231 is arranged at rear cover body 22, to be electrically connected between the light source 23 with electric wire 231, and electric connection line 25a, 25b is located to be connected on the lateral surface 222 of rear cover body 22 and with electric wire 231 and is connected to front panel 21.By light source 23 is located on the rear cover body 22, can change the light source 23 that makes the briliancy deepening because of long-time easily, and the backlight module 1 (Fig. 1) that avoids in the known technology needs dismounting in layer, could change light source.In addition, because this electric wire 231 utilizes electric connection line 25a, 25b to be connected with this front panel 21, and this electric connection line 25a, 25b are connected to front panel 21 by the lateral surface 222 of rear cover body 22, so when rear cover body 22 carries out relative open and close movement with front panel 21, electric connection line 25a, 25b be not because of being located between medial surface 221 and the front panel 21, so can not produce interference.
Though the present invention with preferred embodiment openly as above; right its is not that any those skilled in the art are under the situation that does not break away from the spirit and scope of the present invention in order to qualification the present invention; can change and modification, so protection scope of the present invention is as the criterion with the claim institute restricted portion that is proposed.
Claims (13)
1. direct type backlight module includes:
One front panel;
One rear cover body comprises a medial surface and a lateral surface; And
At least one light source is arranged on this medial surface of this rear cover body, and this light source includes an electric wire, and this electric wire is electrically connected this light source with this front panel.
2. direct type backlight module as claimed in claim 1 also includes at least one active connection, articulates this medial surface of this front panel and this rear cover body, and has a storage tank on this web member, in order to ccontaining this electric wire.
3. direct type backlight module as claimed in claim 1 wherein, also comprises an electric connection line, and this electric wire is via the lateral surface of this rear cover body and connect this electric connection line and be electrically connected with this front panel.
4. direct type backlight module as claimed in claim 1, wherein, this light source is a cold cathode fluorescent lamp.
5. direct type backlight module as claimed in claim 4, wherein, this cold cathode fluorescent lamp is arranged on this rear cover body, and perpendicular or parallel in the long side of this rear cover body.
6. direct type backlight module as claimed in claim 1, wherein, this light source is a light emitting diode matrix.
7. direct type backlight module as claimed in claim 1, wherein, this light source is a U-shaped cold cathode fluorescent lamp.
8. direct type backlight module as claimed in claim 7, wherein, this U-shaped cold cathode fluorescent lamp is arranged on this rear cover body, and perpendicular or parallel in the long side of this rear cover body.
9. direct type backlight module as claimed in claim 2, wherein, this web member comprises a hinge.
10. direct type backlight module as claimed in claim 1, wherein, this rear cover body includes at least one fixture, and this rear cover body is locked on this front panel admittedly.
11. direct type backlight module as claimed in claim 10, wherein, this fixture comprises a screw.
12. direct type backlight module as claimed in claim 1, wherein, this rear cover body is approximately 0 °-180 ° apart from the openable angular range of this front panel.
13. a display device comprises direct type backlight module as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100640598A CN100422815C (en) | 2005-04-06 | 2005-04-06 | Directly-down backlight module and display unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100640598A CN100422815C (en) | 2005-04-06 | 2005-04-06 | Directly-down backlight module and display unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1655033A true CN1655033A (en) | 2005-08-17 |
| CN100422815C CN100422815C (en) | 2008-10-01 |
Family
ID=34894628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100640598A Expired - Fee Related CN100422815C (en) | 2005-04-06 | 2005-04-06 | Directly-down backlight module and display unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100422815C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101393352B (en) * | 2007-09-21 | 2011-11-16 | 奇美电子股份有限公司 | Backlight module, assembling method thereof and LCD device using the backlight module |
| CN103453407A (en) * | 2012-05-28 | 2013-12-18 | 冠捷投资有限公司 | Lighting device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5567042A (en) * | 1994-05-27 | 1996-10-22 | Allen-Bradley Company, Inc. | Reflector for flat panel display backlight unit |
| JP2001166714A (en) * | 1999-12-03 | 2001-06-22 | Toshibumi Yabushita | Small electric light signboard device |
| JP4543772B2 (en) * | 2003-09-19 | 2010-09-15 | セイコーエプソン株式会社 | Electro-optical device and electronic apparatus |
| CN100495170C (en) * | 2003-09-23 | 2009-06-03 | 友达光电股份有限公司 | Display device |
-
2005
- 2005-04-06 CN CNB2005100640598A patent/CN100422815C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101393352B (en) * | 2007-09-21 | 2011-11-16 | 奇美电子股份有限公司 | Backlight module, assembling method thereof and LCD device using the backlight module |
| CN103453407A (en) * | 2012-05-28 | 2013-12-18 | 冠捷投资有限公司 | Lighting device |
| CN103453407B (en) * | 2012-05-28 | 2015-07-29 | 冠捷投资有限公司 | Lighting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100422815C (en) | 2008-10-01 |
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| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081001 |
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| CF01 | Termination of patent right due to non-payment of annual fee |