1324951 九、發明說明： 【發明所屬之技術領域】 本發明涉及一種應用於液晶顯示裝置之背光模組框 4之製備方法。 【先前技術】 由於液晶顯示器具有輕、薄、耗電小等優點，廣泛應 用於筆記本電腦、手機、個人數位助理等現代化資訊設備。 因為液晶顯示器中之液晶本身不具發光特性，為達到顯示 效果，需給液晶顯示器面板提供一面光源裝置，如背光模 组，其功能在於向液晶顯示器面板提供亮度充分且分佈均 勻之面光源。 背光模組一般包括光源、光學片以及用於容納及固定 上述元件之金屬框架。該光學片一般包括導光板、擴散片、 棱鏡板及集光片等，主要用於調整背光模組之出射均勻 it ° 5亥金屬框架主要起到保護背光模組内部元件、增強背 光模組機械強度以及電磁遮罩之作用。 一種習知金屬框架之製備方法，包括以下步驟： 將金屬板材裁切成複數幻、朗設計㈣之單邊大小相 之長條狀或L型之板材；⑺將該複數板材分別進行衝壓 =具有就結構之框架單元；（3)再將該複數框架單元以 方式結合成一金屬框體。如圖1所示，二L型板材單 1〇對接成-背光模組框架半成品 二於板材單元⑺兩側邊分別進行定位以使^ = 精確對接。所採用之定位裝置加包括二長條狀定1板2: 61324951 IX. Description of the Invention: [Technical Field] The present invention relates to a method of manufacturing a backlight module frame 4 applied to a liquid crystal display device. [Prior Art] Due to its advantages of lightness, thinness, and low power consumption, liquid crystal displays are widely used in modern information devices such as notebook computers, mobile phones, and personal digital assistants. Since the liquid crystal in the liquid crystal display itself has no illuminating property, in order to achieve the display effect, the liquid crystal display panel needs to provide a light source device, such as a backlight module, whose function is to provide a surface light source with sufficient brightness and uniform distribution to the liquid crystal display panel. The backlight module generally includes a light source, an optical sheet, and a metal frame for receiving and fixing the above components. The optical sheet generally comprises a light guide plate, a diffusion sheet, a prism sheet and a light collecting sheet, etc., and is mainly used for adjusting the uniformity of the backlight module. The 5 metal frame mainly serves to protect the internal components of the backlight module and enhance the backlight module machinery. Strength and the role of electromagnetic shielding. A method for preparing a conventional metal frame, comprising the steps of: cutting a metal sheet into a strip of a single-sided size or an L-shaped sheet of a plurality of phantoms and lands (4); (7) stamping the plurality of sheets separately; The frame unit of the structure; (3) the plurality of frame units are combined into a metal frame in a manner. As shown in Fig. 1, the two L-shaped sheets are spliced into a semi-finished product of the backlight module frame. The two sides of the sheet unit (7) are respectively positioned to make ^= precise docking. The positioning device used includes two long strips of fixed plate 2: 6
定位4•，在工作臺上通過該二定位 U :邊調節位置使二板材單元1〇實現準確定 兀種 ηΐ在每次對二板材單⑽接之前都需用重新調節i 二定位精確度不高及不穩定。從而容易造成 木知接。口質不良率提高。 心有必要提供—種通過提高定位精度以提高生產 ^品良率之背光模組框架之製備方法。 【發明内容】 .下面將以實施例說明一種通過提高定位精度以提高 效率和產品良率之背光模組框架之製備方法。 -種背光模組框架之製備方法’其包括以下步驟：提 供至少二板材單元及—定位裝置，該定位冑置設有至少一 位=其邊角處之定位部’該至少二板材單元分別設有對應 該定位部之至少κ立凸起；將該至少二板材單元於定位 裝力置上對接定位；焊接該至少二板材單元形成—背光模組 框架半成品；以及衝壓該背光模組框架半成品製成背光模 組框架。 ' 本發明之背光模組框架之製備方法，通過板材單元定 位凸起與定位裝置定位部之相配合將二板材單元固定於定 位裝置上，從而可簡單精確地實現對二板材單元之定位對 接。由此可知，相較習知技術，本發明之背光模組框架之 製備方法，提高了板材單元之定位精度，從而提高了製備 背光模組框架之生產效率和產品良率。 【實施方式】 7 1J24951 «月苓閱圖2，本發明提供一種背光模組框架之製備方 法，其包括以下步驟： 步驟1係提供至少二板材單元及一定位裝置，該定位 裝置設有位於其邊角處之複數定位部’該至少二板材單元 分別設有對應該定位部之至少一定位凸起。每一板材單元 3通過衝床將金屬板材衝壓而成。該板材單Tt為金屬材料 衣成。。。戎至少二板材單元可拼接成一框架之外型，而且該 板材早7L之寬度和長度比所設計框架之寬度和長度略大， 主要目之考慮到後續衝壓步驟所需適當面積。 步驟2係將二板材單元於定位裝置上對接定位。該定 位裝置上設有複數定位部，通過板材單元上定位凸起斑定 位裝置上定位部相配合將二板材單元固定於定位裝置1， 實現二板材單元之定位對接。 加:驟3係焊接定位好之二板材單元組成一背光模組框 :+成品。採用至少-雷射光束焊接該二板材單元之結合 材單從而Ϊ得背光模組框架半成品。由於雷射蟬接中之板 熱部*狹小，故可保證背光模組框架之尺寸大致 步驟4係衝壓該框架半成品製成背光模組框架。此步 驟通過衝壓設備製成.具有預定設計結構之框架。 二進一步參考本發明背光模組框架之製備方法之較 仏貫》例—。 及…所示，首先，提供二相同形狀之板材單元30 及一疋位裝置40。該板材單元3〇大致為匕型，其包括第 8 技：邊31及第—側邊32。第-側邊31與第二側邊32連 $分別沿與第一侧邊31、第二侧邊則目反方向延伸形 成弟一定位凸起33、筮a π Α 端部處沿垂直第-侧邊’第一侧邊31靠近 側邊31之方向向外延伸形成第三定位 凸起35。第-定位凸起33端部平行開設有二通孔如，第 二疋^凸起35之端部平行開設有二通孔352。 別-:位裝置4〇為長方體結構，其一表面42四邊角處分 &又有一定位部44，該定位部44包括二凸柱442。 *其次，將二板材單元3G對接，使得三板材單元30之 知部平齊接觸:通過板材單元3〇上之第-定位凸起33上 及弟二定位凸起％上之通孔352分別套於定位 m上之一凸柱442上，從而將二板材單元30固定於 心裝置4〇上，實現二板材單元3〇之定位對接。 成一 ㈣接、二板材單元30形成之二結合處焊接形 單元L之半成品。該結合處焊接冑，f打磨板材 :0之接觸端’並使結合處達到平整之接觸， 提咼雷射焊接之品質。 最：’衝塵該背光模組框架半成品製成背光 木。可根據預先設計’將板材單元3G之定位凸起33，34， 35衝壓去除，或最終形成為背光模組框架之一邱八 製備:Γ「步參考本發明較佳實施例二之背二框架 J圖4所示，首先，提供二相同形狀之板材單元50 及一疋位裝置60。該板材單元5〇大致為l型其包括第 側邊51及第一側邊52。第一側邊5丄與第二側邊μ 接$分別沿與第一側邊51、第二側邊52相反方向延伸形 第疋位凸起53、第一定位凸起54，第一側邊51靠近 ，部處：垂直第一側邊51之方向形成第三定位凸起”。 :板材單το 5G與邊板材單元3()相似，唯—不同點在 材單元50不具有定位之通孔332, 352。 定位裝置60為長方髀έ士堪，甘 主工μ . 〜 體、.，口構其一表面62四邊角處分 叹有一疋位部64。該定位部64為從該表面Μ向上 =形Ϊ之凸起643 ’並進—步包括形成於該凸起643之相 2第=槽641及第二卡扣槽⑷。該第一卡扣槽641 第—卡扣槽642分別相對應於該二板材單元50上之二定 位凸起53，54。可以理解，第_卡 可相應省略。 解$-卡扣槽叫定位凸起54 端部平、:接：―：材早元5〇對接’使得二板材單元50之 私々十齊接觸。將二板 ^ , 〇〇 , 攸何早兀50卡入定位元部64中，該 槽64^ Γ第二凸起53 ’ 54與定位部64之第一卡扣 ^定位F f L，642卡合，從而將二板材單元50固定 於=置。上’實現二板材單元％之定位對接。 少一内在第—卡扣槽641及第二卡扣槽⑷至 定位穿置60 :二—拐角或彈片’使得二板材單元50放入 加緊密貼合。 使伃-板材…〇之結合處更 接著將對接二板材單元50形成之—^ ^ 成一背光模組柜架半成品。該結合處=:結=處焊接形 ^斤接刖，需打磨板材 1324951 單：50之接觸端，並使結合處達到平整之接觸，以有利於 提南雷射焊接之品質。 最後，衝Μ該背光模組㈣半成品製成背光模組框 十^可根據預先设计，將板材單元50之定位凸起53，54， 衝[去除，或最終形成為背光模組框帛之一部分。 請進-步參考本發明較佳實施例三光模組 製備方法。 士圖5所不’本發明較佳實施例三與較佳實施例二相 似’其不同在於4位裝置7G為長方體結構。料位裝置 70之疋位。p 71為设置於其表面72上之—環形槽％該環 形槽Μ於表面72邊角處設置—與該板材單元％之定位凸 起’ 54 _應m立凹槽742 ’⑽。將二板材單元 50分別卡人環形槽74内，使得板材單元％上之定位凸起 53，54與凹槽742相卡合從而#現心㈣μ % 確定位。 可以理解，該板材單元可為長條狀板材，其靠近一端 部位置沿垂直該板材方向延伸形成—定位凸起，四該長條 狀板材可形成一背光模組框架。 ” 可以口理解，該板材單元30上設置一固定凸起即可實 現二板材單元在定位裝置上之定位對接。 、 本㈣之背光模組框架之製備方法，通過板材單元定 位凸起與定位震置定位部之相配合將二板材單元固定於 位裝置上’從而可簡單精確地實現對二板材單元之定位 接。由此可知’相㈣知技術，本發明之f光模組框架之 11 ^^4951 製備方法’提高了板材單元之定位精度，從而 背光模組框架之生產效率和產品良率。 门衣備Positioning 4•, through the two positioning U on the workbench: adjust the position to make the two plate units 1〇 to achieve the quasi-determination of the type ηΐ before each pair of the two sheets (10) need to be re-adjusted i two positioning accuracy is not High and unstable. Therefore, it is easy to cause the wood to pick up. The rate of poor oral quality has increased. It is necessary to provide a method for preparing a backlight module frame which improves the production accuracy by improving the positioning accuracy. SUMMARY OF THE INVENTION A method of fabricating a backlight module frame by improving positioning accuracy to improve efficiency and product yield will be described below by way of example. a method for preparing a backlight module frame, comprising the steps of: providing at least two plate units and a positioning device, wherein the positioning device is provided with at least one bit = a positioning portion at a corner thereof; the at least two plate units are respectively provided Having at least two yoke protrusions corresponding to the positioning portion; positioning the at least two plate units on the positioning force; docking the at least two plate units to form a backlight module frame semi-finished product; and stamping the backlight module frame semi-finished product Into the backlight module frame. The manufacturing method of the backlight module frame of the present invention fixes the two plate units to the positioning device by the cooperation of the positioning unit of the plate unit and the positioning portion of the positioning device, so that the positioning and docking of the two plate units can be realized simply and accurately. It can be seen that, compared with the prior art, the manufacturing method of the backlight module frame of the present invention improves the positioning accuracy of the plate unit, thereby improving the production efficiency and product yield of the frame for preparing the backlight module. [Embodiment] 7 1J24951 «Monthly reading FIG. 2, the present invention provides a method for preparing a backlight module frame, which comprises the following steps: Step 1 provides at least two plate units and a positioning device, and the positioning device is provided therein The plurality of positioning units at the corners are respectively provided with at least one positioning protrusion corresponding to the positioning portion. Each sheet unit 3 is stamped from a sheet metal by a punch press. The sheet single Tt is made of a metal material. . .戎 At least two sheet units can be spliced into a frame shape, and the width and length of the sheet are slightly larger than the width and length of the designed frame, and the main purpose is to take into account the appropriate area required for the subsequent stamping step. Step 2 is to position the two plate units on the positioning device. The positioning device is provided with a plurality of positioning portions, and the two plate units are fixed to the positioning device 1 through the positioning portions on the plate unit positioning convex spot positioning device, so as to realize the positioning and docking of the two plate units. Add: Step 3: The two plate units with good welding positioning form a backlight module frame: + finished product. The at least a laser beam is used to weld the bond sheets of the two plate units to obtain a semi-finished product of the backlight module frame. Since the hot portion of the plate in the laser splicing is narrow, the size of the backlight module frame can be ensured. Step 4: The semi-finished product of the frame is stamped to form a backlight module frame. This step is made by stamping equipment. It has a frame with a predetermined design structure. 2. Further reference is made to the method of preparing the backlight module frame of the present invention. And, as shown, first, two plate units 30 of the same shape and a clamping device 40 are provided. The sheet unit 3 is substantially 匕-shaped and includes the eighth technique: the side 31 and the first side 32. The first side 31 and the second side 32 are respectively extended along the first side 31 and the second side in a direction opposite to each other to form a positioning protrusion 33, and the end of the 筮a π 沿 is perpendicularly- The side edges 'the first side edges 31 extend outward in the direction of the side edges 31 to form a third positioning projection 35. Two ends are formed in parallel at the ends of the first positioning protrusions 33. For example, the ends of the second protrusions 35 are parallelly provided with two through holes 352. The --:-position device 4〇 is a rectangular parallelepiped structure, and a surface 42 is disposed at four corners and has a positioning portion 44, and the positioning portion 44 includes two protrusions 442. * Next, the two plate units 3G are butted so that the knowing portions of the three plate units 30 are in flush contact: respectively, through the first positioning protrusions 33 on the plate unit 3 and the through holes 352 on the second positioning protrusions The two plate units 30 are fixed on the core device 4 to position the two plate units 3 to be positioned and docked. The semi-finished product of the welding-shaped unit L is formed at the junction of the two (4) joining and the two-plate unit 30. The joint welds the 胄, f sands the plate: the contact end of the '0 and makes the joint reach a flat contact, improving the quality of the laser welding. Most: 'Dusting the backlight module frame semi-finished products made of backlight wood. The positioning protrusions 33, 34, 35 of the sheet metal unit 3G may be stamped and removed according to a pre-designed design, or finally formed into one of the backlight module frames. Γ "Step reference to the back two frame of the preferred embodiment 2 of the present invention As shown in Fig. 4, firstly, two plate units 50 of the same shape and a clamping device 60 are provided. The plate unit 5 is substantially l-shaped and includes a first side 51 and a first side 52. The first side 5丄The second side edge 51 is extended in the opposite direction to the first side 51 and the second side 52, and the first positioning protrusion 54 and the first positioning protrusion 54 are adjacent to each other. The direction of the vertical first side 51 forms a third positioning protrusion". The sheet material το 5G is similar to the edge sheet unit 3 (), except that the different material unit 50 does not have the positioning through holes 332, 352. The positioning device 60 is a rectangular stalk, and the main body of the body is sighed with a slanting portion 64. The positioning portion 64 is a protrusion 643 ' from the surface Μ upward Ϊ 并 and includes a phase 2 groove 641 and a second snap groove (4) formed in the protrusion 643. The first snap groove 641 is corresponding to the two positioning projections 53, 54 on the two plate units 50, respectively. It can be understood that the _ card can be omitted accordingly. The solution of the $-clip groove is called the positioning projection 54. The end is flat, and the connection: ": the material is 5 yuan but docked" so that the two plate units 50 are in contact with each other. The two boards ^ , 〇〇, 兀 兀 50 are inserted into the positioning unit 64, the groove 64 Γ the second protrusion 53 54 and the first buckle of the positioning portion 64 are positioned F F L, 642 card The two plate units 50 are fixed to the = position. The upper side realizes the positioning and docking of the two plate units. One of the inner first snap groove 641 and the second snap groove (4) to the positioning through 60: two corners or elastic pieces make the two plate units 50 fit and fit tightly. The combination of the 伃-plates and the slabs is further formed by the splicing of the two slab units 50 into a semi-finished product of the backlight module. The joint = = knot = welded shape ^ 刖 刖 刖 需 刖 刖 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 Finally, the backlight module (4) is made up of a semi-finished product to form a backlight module frame. According to a pre-design, the positioning protrusions 53, 54 of the plate unit 50 are punched [removed, or finally formed into a part of the backlight module frame). . Please refer to the preparation method of the three-optical module of the preferred embodiment of the present invention. The preferred embodiment 3 of the present invention is similar to the preferred embodiment 2, except that the 4-bit device 7G has a rectangular parallelepiped structure. The position of the level device 70. The p 71 is disposed on the surface 72 of the annular groove %. The annular groove is disposed at the corner of the surface 72 - the positioning convex portion 54 of the plate unit % is erected with the groove 742 ' (10). The two plate units 50 are respectively inserted into the annular groove 74, so that the positioning protrusions 53, 54 on the plate unit % are engaged with the grooves 742 so that the center (four) μ % is determined. It can be understood that the sheet unit can be a long strip-shaped sheet material which is formed adjacent to the one end portion and extends along the direction perpendicular to the sheet material to form a positioning protrusion, and the strip-shaped sheet material can form a backlight module frame. It can be understood that the fixing of the two plate units on the positioning device can be realized by providing a fixing protrusion on the plate unit 30. The preparation method of the backlight module frame of the present invention (4), the positioning protrusion and the positioning vibration through the plate unit The matching of the positioning parts fixes the two plate units on the position device', so that the positioning of the two plate units can be realized simply and accurately. It can be seen that the phase (four) knowing technology, the f light module frame of the present invention 11 ^ ^4951 Preparation method 'improves the positioning accuracy of the sheet unit, thus the production efficiency and product yield of the backlight module frame.
综上所述，本發明符合發明專利要件，羑依 利申睛i，以上所述者僅為本發明之較佳實施例，本發 明之範圍，不以上述實施方式為限，舉凡熟悉本案技藝: 人士，在差依本發明精神所作之等效修倚或變丨 蓋於以下之申請專利範圍内。 心'/M 【圖式簡單說明】 圖1係習知背光模組框架之製備方法之二板材單元通 過定位裝置實現定位示意圖。 圖2係本發明背光模組框架之製備方法之流程圖。 圖3係本發明較佳實施例一背光模組框架之製備方法 所採用之一板材單元以及定位裝置之立體示意圖。 圖4係本發明較佳實施例二背光模組框架之製備方法 所採用之二板材單元以及定位裝置之立體示意圖。 圖5係本發明較佳實施例三背光模組框架之製備方法 所採用之二板材單元以及定位裝置之立體示意圖。 【主要對接件符號說明】 (本發明） 10、30、50 20、40、60、70 21 31 ' 51 32、52 板材單元 定位裴置 定位板 第一側邊 第二側邊 12 1324951 第一 凸起 33 ' 53 通孔 332 、352 第二 凸起 34 ' 54 第三 凸起 35 ' 55 表面 42、 62、72 定位部 44、 64 ' 71 凸柱 442 第一 卡扣槽 641 第二 卡扣槽 642 凸起 643 環形槽 74 定位 凹槽 742 、744 13In summary, the present invention is in accordance with the requirements of the present invention, and the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and is familiar with the skill of the present invention: The equivalents or modifications made by the person in the spirit of the present invention are within the scope of the following patent application. Heart '/M [Simplified illustration of the drawing] Fig. 1 is a schematic diagram of positioning of the plate unit of the conventional backlight module frame by a positioning device. 2 is a flow chart of a method for fabricating a backlight module frame of the present invention. 3 is a perspective view of a plate unit and a positioning device used in a method for fabricating a backlight module frame according to a preferred embodiment of the present invention. 4 is a perspective view of a two-plate unit and a positioning device used in a method for fabricating a backlight module frame according to a preferred embodiment of the present invention. 5 is a perspective view of a two-plate unit and a positioning device used in a method for fabricating a backlight module frame according to a preferred embodiment of the present invention. [Main docking symbol description] (Invention) 10, 30, 50 20, 40, 60, 70 21 31 ' 51 32, 52 sheet unit positioning positioning plate first side second side 12 1324951 first convex 33 ' 53 through hole 332 , 352 second protrusion 34 ' 54 third protrusion 35 ' 55 surface 42, 62, 72 positioning portion 44, 64 ' 71 boss 442 first snap groove 641 second snap groove 642 protrusion 643 annular groove 74 positioning groove 742, 744 13