CN101806434A - Electronic device, liquid crystal display module, backlight unit and front frame thereof - Google Patents

Electronic device, liquid crystal display module, backlight unit and front frame thereof Download PDF

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Publication number
CN101806434A
CN101806434A CN200910008947A CN200910008947A CN101806434A CN 101806434 A CN101806434 A CN 101806434A CN 200910008947 A CN200910008947 A CN 200910008947A CN 200910008947 A CN200910008947 A CN 200910008947A CN 101806434 A CN101806434 A CN 101806434A
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CN
China
Prior art keywords
frame
light unit
back light
lgp
lcd module
Prior art date
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Granted
Application number
CN200910008947A
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Chinese (zh)
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CN101806434B (en
Inventor
庄孟儒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chi Mei Optoelectronics Corp
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Toppoly Optoelectronics Corp
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Publication date
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Priority to CN200910008947.6A priority Critical patent/CN101806434B/en
Publication of CN101806434A publication Critical patent/CN101806434A/en
Application granted granted Critical
Publication of CN101806434B publication Critical patent/CN101806434B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses an electronic device, a liquid crystal display module, a backlight unit and a front frame thereof. The electronic device comprises the liquid crystal display module and a control circuit, wherein the liquid crystal display module comprises the backlight unit and a liquid crystal display panel. The front frame of the backlight unit comprises a plastic frame body and a conducting line, wherein the conducting line extends to the front face from the back face of the plastic frame body; and conducting contact points are formed on the front face.

Description

Electronic installation, LCD MODULE, back light unit and preceding frame thereof
Technical field
The present invention relates to a kind of electronic installation, LCD MODULE, back light unit and preceding frame thereof, particularly relate to a kind of electronic installation that reduces cost and improve assembly precision, LCD MODULE, back light unit and preceding frame thereof.
Background technology
See also Figure 1A, Figure 1A is the exploded view by top view available liquid crystal display module 10.As shown in the figure, available liquid crystal display module 10 comprises a protecgulum 12, a panel 14 and a back light unit 16, and wherein panel 14 and back light unit 16 have a flexible electric circuit board 147,167 respectively.
See also Figure 1B, Figure 1B is a constitutional diagram of being observed available liquid crystal display module 10 by the back side.As shown in the figure, the flexible electric circuit board 167 of assembling back back light unit 16 will be electrically connected with the flexible electric circuit board 147 of panel 14, and LCD MODULE 10 can utilize flexible electric circuit board 147 to be electrically connected with the control circuit (not shown) of an outside.
Please consult Fig. 2 A and Fig. 2 B simultaneously, Fig. 2 A is the exploded view by the existing back light unit 16 of top view, and Fig. 2 B is an exploded view of being observed existing back light unit 16 by the back side.As shown in the figure, back light unit (Backlight Unit, BLU) the 16th, repeatedly put in regular turn by frame 162, a plurality of blooming piece 163, a LGP 164, a reflector plate 165 and an after-frame 166 before the loam cake 161, and to combine, wherein preceding frame 162 is generally a glue frame, and after-frame 166 is generally a chase.
Back light unit 16 adopts a spot light 168 that light is provided, and this spot light 168 can be a light emitting diode, is arranged on the aforesaid flexible electric circuit board 167.Please consult Fig. 3 simultaneously, Fig. 3 is a plane of being observed flexible electric circuit board 167 by the back side, and as shown in the figure, spot light 168 is arranged on a wherein end of flexible electric circuit board 167, and the other end of flexible electric circuit board 167 then is provided with conductive junction point (Contact) 1674.External power offers spot light 168 via the conducting wire 1672 of flexible electric circuit board 167 inside then from conductive junction point 1674 inputs.
During operation, produce light by spot light 168, light changes direct of travel through the guiding of LGP 164, makes light evenly penetrate back light unit 16 in the back through blooming piece 163 again.And reflector plate 165 can reflect back into the light that spills from LGP 164 belows LGP 164, and the energy avoids waste.
Existing back light unit 16 may be pullled flexible electric circuit board 167 when assembling, make the position of spot light 168 produce skew, and then the brightness irregularities that causes back light unit 16 to produce.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of electronic installation, LCD MODULE, back light unit and preceding frame thereof, the flexible electric circuit board omission with back light unit not only can solve prior art problems, can also further reduce manufacturing cost.
The preceding frame of back light unit of the present invention comprises a plastic frame body and a conducting wire.Wherein the conducting wire extends to the front from the back side of framework, and is formed with conductive junction point on the front.
In one embodiment, this framework is provided with a groove, and this groove extends to the front from the back side of framework via the side, and the conducting wire then is formed in the groove.
Back light unit of the present invention comprises just like preceding described preceding frame, a spot light and a LGP.Wherein spot light is arranged on the back side of framework and is electrically connected on the conducting wire.The light that LGP is used for the generation of pilot point light source outwards penetrates.
In one embodiment, above-mentioned back light unit more comprises an after-frame, combines with preceding frame and coats LGP.
In one embodiment, above-mentioned back light unit more comprises a reflector plate, is arranged between LGP and the after-frame.
In one embodiment, above-mentioned back light unit more comprises a blooming piece, is arranged at the place ahead of LGP.
LCD MODULE of the present invention comprises just like a preceding described back light unit and a display panels.Wherein display panels has a flexible electric circuit board, and flexible electric circuit board is electrically connected with conductive junction point.
Electronic installation of the present invention comprises just like a preceding described LCD MODULE and a control circuit.Wherein control circuit is used to control the shown image frame of LCD MODULE.
Description of drawings
Figure 1A is the exploded view by top view one available liquid crystal display module;
Figure 1B is a constitutional diagram of being observed the LCD MODULE of Figure 1A by the back side;
Fig. 2 A is the exploded view by top view one existing back light unit (BLU);
Fig. 2 B is an exploded view of being observed the back light unit of Fig. 2 A by the back side;
Fig. 3 is the plane of the flexible electric circuit board of Fig. 2 B;
Fig. 4 be according to LCD MODULE of the present invention wherein an embodiment by the exploded view of its top view;
Fig. 5 is the exploded view by the back light unit of the LCD MODULE of top view Fig. 4 (BLU);
Fig. 6 A is the stereogram by the preceding frame of the back light unit of top view Fig. 5;
Fig. 6 B is the stereogram by the preceding frame of the back light unit of back side observation Fig. 5;
Fig. 7 is the calcspar of electronic installation according to comprising of another embodiment of the present invention of LCD MODULE shown in Figure 4.
The main element symbol description
Prior art
10~LCD MODULE, 12~protecgulum
14~panel, 16~back light unit
147~flexible electric circuit board, 161~loam cake
162~preceding frame 163~blooming piece
164~LGP, 165~reflector plate
166~after-frame, 167~flexible electric circuit board
168~spot light, 1672~conducting wire
1674~conductive junction point
The present invention
40~LCD MODULE, 42~protecgulum
44~panel, 46~back light unit
70~control circuit, 71~shell
80~electronic installation, 447~flexible electric circuit board
461~loam cake 462~preceding frame
463~blooming piece, 464~LGP
465~reflector plate, 466~after-frame
468~spot light, 4672~conducting wire
4674~conductive junction point
The specific embodiment
See also Fig. 4, Fig. 4 be according to LCD MODULE 40 of the present invention wherein an embodiment by the exploded view of its top view.As shown in the figure, LCD MODULE 40 comprises a protecgulum 42, a panel 44 and a back light unit 46, and wherein panel 44 has a flexible electric circuit board 447, and back light unit 16 does not then have flexible electric circuit board.The flexible electric circuit board 447 of assembling rear board 44 will be electrically connected with the conductive junction point 4674 of back light unit 46 described later, and LCD MODULE 40 can utilize flexible electric circuit board 447 to be electrically connected with the control circuit (not shown) of an outside.
See also Fig. 5, Fig. 5 is the exploded view by top view back light unit 46.As shown in the figure, back light unit (Backlight Unit, BLU) the 46th, repeatedly put in regular turn by frame 462, a plurality of blooming piece 463, a LGP 464, a reflector plate 465 and an after-frame 466 before the loam cake 461, and to combine, wherein preceding frame 462 can be a glue frame, and after-frame 466 can be a chase or other metal frames.
Please consult Fig. 6 A and Fig. 6 B simultaneously, Fig. 6 A is the stereogram by frame before the top view 462, and Fig. 6 B is the stereogram of frame 462 before being observed by the back side.As shown in the figure, a spot light 468 is provided with the back side of former frame 462, and this spot light 468 can be a light emitting diode (LED), is used for producing light.Light changes direct of travel through the guiding of LGP 464, makes light evenly penetrate back light unit 46 in the back through blooming piece 463 again.
Former frame 462 is provided with a groove, this groove back side of frame 462 in the past extends to the front via the side, and in groove, form conducting wire 4672, the result is shown in Fig. 6 A and Fig. 6 B, conducting wire 4672 back side of frame 462 in the past extends to the front, wherein conducting wire 4672 is electrically connected on spot light 468 overleaf, then is formed with conductive junction point (Contact) 4674 in the front.External power offers spot light 468 then from conductive junction point 4674 inputs via conducting wire 4672.
In the present embodiment, conducting wire (for conductor) 4672 utilizes a mold interconnecting element (MoldedInterconnect Device, MID) manufacture craft is provided with on the former frame (for non-conductor) 462, be used to replace the flexible electric circuit board of existing back light unit, not only can solve prior art because of pullling the problem that causes brightness disproportionation, can also further reduce the back light unit manufacturing cost.
In the above-described embodiments, back light unit only comprises a spot light, yet can recognize, when back light unit comprises two or above spot light, also can adopt the MID manufacture craft that the conducting wire is made on the former frame and be electrically connected on all spot lights, to replace existing flexible electric circuit board.
Fig. 7 is the calcspar of electronic installation according to comprising of another embodiment of the present invention of LCD MODULE shown in Figure 4, wherein electronic installation 80 comprises that LCD MODULE shown in Figure 4 40 and is electrically connected to the control circuit 70 of LCD MODULE 40, and control circuit 70 can be controlled the shown image frame of LCD MODULE 40.In addition, LCD MODULE 40 and control circuit 70 are installed in the shell 71.This electronic installation 80 can be a LCD TV (LCD TV), a LCD monitor, a multimedia player, a mobile phone, a digital camera, a personal digital assistant, a notebook computer, a desktop computer, a global positioning system (GPS), an automobile-used display, an aviation with display, a digital frame (Digital Photo Frame), a Portable DVD projector or have other devices of screen.
Though disclosed the present invention in conjunction with above preferred embodiment; yet it is not in order to limit the present invention; be familiar with this operator in any its affiliated technical field; without departing from the spirit and scope of the present invention; can change arbitrarily and retouching, thus protection scope of the present invention should with enclose claim was defined is as the criterion.

Claims (9)

1. the preceding frame of a back light unit comprises:
Plastic frame body;
The conducting wire extends to the front from the back side of this framework, and be formed with conductive junction point on this front.
2. the preceding frame of back light unit as claimed in claim 1, wherein this framework is provided with groove, and this groove extends to the front from the back side of this framework via the side, and this conducting wire then is formed in this groove.
3. back light unit comprises:
Frame before as claimed in claim 1;
Spot light is arranged on the back side of this framework and is electrically connected on this conducting wire;
LGP, the light that guides this spot light to produce outwards penetrates.
4. back light unit as claimed in claim 3, it also comprises after-frame, combines with this preceding frame and coats this LGP.
5. back light unit as claimed in claim 4, it also comprises reflector plate, is arranged between this LGP and this after-frame.
6. back light unit as claimed in claim 3, it also comprises blooming piece, is arranged at the place ahead of this LGP.
7. LCD MODULE comprises:
Back light unit as claimed in claim 3;
Display panels has a flexible electric circuit board, and this flexible electric circuit board is electrically connected with this conductive junction point.
8. electronic installation comprises:
LCD MODULE as claimed in claim 7;
Control circuit is controlled the shown image frame of this LCD MODULE.
9. electronic installation as claimed in claim 8, wherein this electronic installation comprises that LCD TV, LCD monitor, multimedia player, mobile phone, digital camera, personal digital assistant, notebook computer, desktop computer, global positioning system, automobile-used display, aviation are with display, digital frame, Portable DVD projector or have other devices of screen.
CN200910008947.6A 2009-02-13 2009-02-13 Electronic device, liquid crystal display module and backlight unit Expired - Fee Related CN101806434B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200910008947.6A CN101806434B (en) 2009-02-13 2009-02-13 Electronic device, liquid crystal display module and backlight unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200910008947.6A CN101806434B (en) 2009-02-13 2009-02-13 Electronic device, liquid crystal display module and backlight unit

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CN101806434A true CN101806434A (en) 2010-08-18
CN101806434B CN101806434B (en) 2014-06-18

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102865525A (en) * 2012-10-12 2013-01-09 深圳市华星光电技术有限公司 Backlight module
CN104460111A (en) * 2014-12-08 2015-03-25 厦门天马微电子有限公司 Backlight module and liquid crystal display device
CN104902198A (en) * 2014-12-18 2015-09-09 青岛海信电器股份有限公司 LCD television
CN106502332A (en) * 2016-11-17 2017-03-15 苏州三星电子电脑有限公司 Rotating shaft and notebook computer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1521992B1 (en) * 2002-07-11 2006-09-06 Diehl AKO Stiftung & Co. KG Backlit liquid crystal display, particularly for use as a display module behind the operating panel of a large household appliance
CN100573263C (en) * 2004-06-25 2009-12-23 奇美电子股份有限公司 Backlight module
CN100489621C (en) * 2007-03-02 2009-05-20 友达光电股份有限公司 Back light module and wire rod fixing device used in frame structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102865525A (en) * 2012-10-12 2013-01-09 深圳市华星光电技术有限公司 Backlight module
CN104460111A (en) * 2014-12-08 2015-03-25 厦门天马微电子有限公司 Backlight module and liquid crystal display device
CN104460111B (en) * 2014-12-08 2017-11-10 厦门天马微电子有限公司 A kind of backlight module and liquid crystal display device
CN104902198A (en) * 2014-12-18 2015-09-09 青岛海信电器股份有限公司 LCD television
CN106502332A (en) * 2016-11-17 2017-03-15 苏州三星电子电脑有限公司 Rotating shaft and notebook computer

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Effective date: 20140520

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CF01 Termination of patent right due to non-payment of annual fee