CN101590584B - Preparation method for backlight module frame - Google Patents
Preparation method for backlight module frame Download PDFInfo
- Publication number
- CN101590584B CN101590584B CN2008103017865A CN200810301786A CN101590584B CN 101590584 B CN101590584 B CN 101590584B CN 2008103017865 A CN2008103017865 A CN 2008103017865A CN 200810301786 A CN200810301786 A CN 200810301786A CN 101590584 B CN101590584 B CN 101590584B
- Authority
- CN
- China
- Prior art keywords
- backlight module
- module frame
- preparation
- sheet material
- strip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/083—Devices involving movement of the workpiece in at least one axial direction
- B23K26/0838—Devices involving movement of the workpiece in at least one axial direction by using an endless conveyor belt
- B23K26/0846—Devices involving movement of the workpiece in at least one axial direction by using an endless conveyor belt for moving elongated workpieces longitudinally, e.g. wire or strip material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/60—Preliminary treatment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49616—Structural member making
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention relates to a preparation method for a backlight module frame, which comprises the following steps: providing a plurality of strip sheets and two sheet material belts; sequentially welding the plurality of the strip sheets on the two separated sheet material belts at the same interval by laser to form a plurality of backlight module frame semifinished products which are sequentially arranged and are of a backlight module frame shape; and sequentially stamping the semifinished products to be continuously made into a plurality of backlight module frames. The preparation method has the advantage of improving the production efficiency.
Description
Technical field
The present invention relates to a kind of preparation method who is applied to the backlight module frame of liquid crystal indicator.
Background technology
Because liquid crystal display has the advantages such as light, thin, that power consumption is little, is widely used in the modernized information equipments such as mobile computer, mobile phone, personal digital assistant.Because the liquid crystal in the liquid crystal display itself is not had a characteristics of luminescence, for reaching display effect, needing provide a planar light source device to panel of LCD, and such as backlight module, its function is to provide brightness fully and the area source that is evenly distributed to panel of LCD.
Backlight module generally comprises light source, optical sheet and is used for holding and the fixing metal framework of said elements.This optical sheet generally comprises LGP, diffusion sheet, prism plate and light-collecting piece etc., is mainly used in adjusting the outgoing uniformity of backlight module.This metal framework generally comprises upper frame and underframe, and up and down framework is arranged in pairs or groups fixingly mutually, mainly plays protection backlight module inner member, strengthens the effect of backlight module mechanical strength and electromagnetic shielding.
A kind of preparation method of existing metal framework may further comprise the steps: (1) cuts a profile and the size sheet metal suitable with backlight module; (2) by punch press the central area of this sheet metal is gone out and made framework semi-finished product, the light-emitting zone size of this central area and backlight module is suitable; (3) again these framework semi-finished product are carried out punching press and form the framework with predetermined structure.But the framework that this kind adopts the punching press of single metal plate material to make approximately has 80% waste material generation, causes the sheet metal serious waste.
For promoting the utilization rate of sheet metal, another kind has the preparation method of metal framework now, and may further comprise the steps: (1) cuts into the monolateral sizable strip of a plurality of sizes and designed framework or the sheet material of L-type with sheet metal; (2) these a plurality of sheet materials are carried out respectively the framework that punching press formation has predetermined structure; (3) should be combined into a metal framework with welding manner by a plurality of frame units again.Produce though this kind preparation method can reduce waste material, but adopt this kind method to need manually-operated to carry out multiple welding, thereby this kind method labour intensity is large, production efficiency is low, thus so that cost increase.
Therefore, be necessary to provide a kind of preparation method of backlight module frame of enhancing productivity.
Summary of the invention
In view of above content, provide a kind of preparation method of the backlight module frame that can enhance productivity real in necessary.
A kind of preparation method of backlight module frame, it may further comprise the steps: a plurality of strip boards and two sheet material strips are provided; Should a plurality of strip boards according to equal intervals successively by being laser-welded on separated this two sheet material strip of opposing parallel, to form a plurality of semi-finished backlight module frame with backlight module frame shape that are arranged in order; These semi-finished product of punching press are made a plurality of backlight module frames continuously successively.
The preparation method of backlight module frame of the present invention, but two sheet material strip self-feedings ground splices continuously with a plurality of strip boards and is welded into semi-finished backlight module frame, and but the same self-feeding of these semi-finished product ground carries out stamping press, because this punching course need not manual work, and can carry out continuous punching.So, comparing prior art, the preparation method of backlight module frame of the present invention has reduced labour intensity, has saved manpower, has improved production efficiency.
Description of drawings
Fig. 1 is the preparation method's of backlight module frame of the present invention flow chart;
Fig. 2 is sheet material strip and the strip boards continuous welding process schematic diagram that backlight module frame preparation method of the present invention adopts;
Fig. 3 is the schematic diagram of making the strip semi-finished backlight module frame after as shown in Figure 2 the sheet material welding.
The specific embodiment
Be described in further details of the present invention below in conjunction with accompanying drawing and preferred embodiment.
See also Fig. 1, the invention provides a kind of preparation method of backlight module frame, it may further comprise the steps:
Step 1: a plurality of strip boards and two sheet material strips are provided.This two sheet material strip and a plurality of strip boards are cut respectively by metal material to be processed and are formed.The width of this two sheet material strip is more than or equal to the border width of the backlight module frame of wish preparation.This two sheet material strip is gathered into web-like, to save working space.The width of these a plurality of strip boards is identical, and more than or equal to the border width of the backlight module frame of twice wish preparation.
Step 2: should a plurality of strip boards be welded to successively on separated this two sheet material strip, to form a plurality of semi-finished product with backlight module frame shape that are arranged in order.This two sheet material strip opposing parallel is placed, with these a plurality of strip boards according to the length dimension of this backlight module frame for being spaced, be welded to successively on this two sheet material strip to form a plurality of semi-finished product with backlight module frame shape, and will weld good semi-finished product and be gathered into web-like.Need to prove, above-mentioned semi-finished product also can need not to be gathered into web-like, directly carry out lower step.
Please further with reference to the preparation method's of backlight module frame of the present invention preferred embodiment one.
As shown in Figure 2, provide first two sheet material strips 20,20 ' and a plurality of strip boards 30, this two sheet material strip 20,20 ' be web-like, the width of these a plurality of strip boards 30 is identical, and equals the border width of the backlight module frame that the twice wish prepares.Again with sheet material strip 20,20 ' parallel placement arranged side by side, with a plurality of strip boards 30 take the length dimension of this backlight module frame as the interval respectively with two sheet material strips 20,20 ' dock, so that sheet material strip 20,20 ' and a plurality of strip boards 30 surround and a plurality ofly be trapezoidal semi-finished backlight module frame 400, and the end of a plurality of strip boards 30 and sheet material strip 20,20 ' be in contact with one another formation junction 25.Then, respectively laser weld is carried out in this junction 25, forming trapezoidal semi-finished backlight module frame 400, and semi-finished product 400 are gathered into web-like.
As shown in Figure 3, make a plurality of backlight module frames with the semi-finished product 400 of the mode continuous punching backlight module frame of self-feeding.This process adopts the production line operation, and hand labor intensity is little, and production efficiency is high.
Before 25 welding of junction, need the contact jaw of polishing strip boards 30, and make junction 25 reach smooth contact, to be conducive to improve the quality of laser weld.
The preparation method of backlight module frame of the present invention, with two sheet material strips 20,20 ' be spliced into trapezoidal semi-finished backlight module frame 400 with a plurality of strip boards 30 and a plurality of backlight module frames are made in punching press, this punching course adopts the mode of self-feeding, need not manual work, and can carry out continuous punching.Therefore the prior art of comparing, the preparation method of backlight module frame of the present invention has reduced labour intensity, has saved manpower, has improved production efficiency.
Be appreciated that two sheet material strips 20,20 ' can need not to be gathered into web-like.
The interval that is appreciated that strip boards 30 also can be unequal, to produce simultaneously the backlight module frame of multiple different length size.
The width that is appreciated that these a plurality of strip boards 30 also can be greater than the border width of the backlight module frame of twice wish preparation, in the process of punching press, and can be according to the situation of in advance design with the framework of unnecessary width flanging simultaneously.
Be appreciated that semi-finished backlight module frame 400 also can not collect rolling and directly carry out punching press and make backlight module frame.
In addition, those skilled in the art also can do other variation in spirit of the present invention, and certainly, the variation that these are done according to spirit of the present invention all should be included in the present invention's scope required for protection.
Claims (7)
1. the preparation method of a backlight module frame, it may further comprise the steps: a plurality of strip boards and two sheet material strips are provided; Should a plurality of strip boards according to equal intervals successively by being laser-welded on separated this two sheet material strip of opposing parallel, to form a plurality of semi-finished backlight module frame with backlight module frame shape that are arranged in order; These semi-finished product of punching press are made a plurality of backlight module frames continuously successively.
2. the preparation method of backlight module frame as claimed in claim 1, it is characterized in that: this two sheet material strip is web-like.
3. the preparation method of backlight module frame as claimed in claim 1 is characterized in that: the width of this two sheet material strip is more than or equal to the border width of the backlight module frame of wish preparation.
4. the preparation method of backlight module frame as claimed in claim 1, it is characterized in that: the width of these a plurality of strip boards is identical, and more than or equal to the border width of the backlight module frame of twice wish preparation.
5. the preparation method of backlight module frame as claimed in claim 1, it is characterized in that: this sheet material is made of metal material.
6. the preparation method of backlight module frame as claimed in claim 1, it is characterized in that: this semi-finished backlight module frame is gathered into web-like.
7. the preparation method of backlight module frame as claimed in claim 1 is characterized in that: this semi-finished backlight module frame adopts the mode of self-feeding to carry out continuous punching.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103017865A CN101590584B (en) | 2008-05-26 | 2008-05-26 | Preparation method for backlight module frame |
| US12/177,121 US20090288296A1 (en) | 2008-05-26 | 2008-07-21 | Method for making backlight module frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103017865A CN101590584B (en) | 2008-05-26 | 2008-05-26 | Preparation method for backlight module frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101590584A CN101590584A (en) | 2009-12-02 |
| CN101590584B true CN101590584B (en) | 2013-02-13 |
Family
ID=41341028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008103017865A Expired - Fee Related CN101590584B (en) | 2008-05-26 | 2008-05-26 | Preparation method for backlight module frame |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20090288296A1 (en) |
| CN (1) | CN101590584B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588907A (en) * | 2012-02-29 | 2012-07-18 | 华映视讯（吴江）有限公司 | Back plate manufacturing method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1175075A (en) * | 1996-08-05 | 1998-03-04 | 三星电管株式会社 | Method for making shadow mask frame |
| CN2822116Y (en) * | 2005-09-01 | 2006-09-27 | 锦明实业股份有限公司 | Frame structure of display panel |
| CN1970219A (en) * | 2005-11-23 | 2007-05-30 | 鸿富锦精密工业（深圳）有限公司 | Backlight module frame preparation method |
| TWM324588U (en) * | 2007-06-27 | 2008-01-01 | Jochu Technology Co Ltd | Punching equipment with function of joint punching component |
| CN101176900A (en) * | 2006-11-09 | 2008-05-14 | 凡润电子（无锡）有限公司 | LCD module housing and manufacturing method therefor |
| CN201198081Y (en) * | 2008-05-19 | 2009-02-25 | 嘉彰股份有限公司 | Automatic machine-shaping machine for liquid crystal panel frame |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3516147A (en) * | 1967-07-17 | 1970-06-23 | A P Seedorff & Co Inc | Method of fabrication of metallic frames |
| US3497947A (en) * | 1967-08-18 | 1970-03-03 | Frank J Ardezzone | Miniature circuit connection and packaging techniques |
| US3792522A (en) * | 1972-12-04 | 1974-02-19 | Mercury Aircraft Inc | Frame-making method |
| US3942064A (en) * | 1974-11-14 | 1976-03-02 | Westinghouse Electric Corporation | Reinforcing ring structure for a shadow mask |
| GB2026386B (en) * | 1978-06-08 | 1982-09-22 | Nissan Motor | Panel assembling method and apparatus |
| US5239157A (en) * | 1990-10-31 | 1993-08-24 | The Furukawa Electric Co., Ltd. | Superconducting accelerating tube and a method for manufacturing the same |
| JP2005107498A (en) * | 2003-09-10 | 2005-04-21 | Sharp Corp | Surface light source unit and liquid crystal display device |
| TW200927324A (en) * | 2007-12-28 | 2009-07-01 | Chin Peck Co Ltd | Method of manufacturing bezel for LCD (liquid crystal display) panel |
-
2008
- 2008-05-26 CN CN2008103017865A patent/CN101590584B/en not_active Expired - Fee Related
- 2008-07-21 US US12/177,121 patent/US20090288296A1/en not_active Abandoned
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1175075A (en) * | 1996-08-05 | 1998-03-04 | 三星电管株式会社 | Method for making shadow mask frame |
| CN2822116Y (en) * | 2005-09-01 | 2006-09-27 | 锦明实业股份有限公司 | Frame structure of display panel |
| CN1970219A (en) * | 2005-11-23 | 2007-05-30 | 鸿富锦精密工业（深圳）有限公司 | Backlight module frame preparation method |
| CN101176900A (en) * | 2006-11-09 | 2008-05-14 | 凡润电子（无锡）有限公司 | LCD module housing and manufacturing method therefor |
| TWM324588U (en) * | 2007-06-27 | 2008-01-01 | Jochu Technology Co Ltd | Punching equipment with function of joint punching component |
| CN201198081Y (en) * | 2008-05-19 | 2009-02-25 | 嘉彰股份有限公司 | Automatic machine-shaping machine for liquid crystal panel frame |
Also Published As
| Publication number | Publication date |
|---|---|
| US20090288296A1 (en) | 2009-11-26 |
| CN101590584A (en) | 2009-12-02 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20140526 |