TWI277808B - Backlight module and liquid crystal display device using the same and assembling method thereof - Google Patents
Backlight module and liquid crystal display device using the same and assembling method thereof Download PDFInfo
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編號：TW2803PA 九、發明說明： 【發明所屬之技術領域】 本發明是有關於一藉昔 裂置及組裝方法特 ，和應用其之液晶^ 構及框架夹持電路板 置及組裝方法。 、、、且和應用其之液日a顯示裴 【先前技術】 事置;^a &置的發展快逮，各家廠商除了在液晶顯示 料製程技術上不斷改良，亦必翻時在 新的方法，以符合產業之潮流。目前液晶顯 :衣置二且裝方法中，於印刷電路板及背光模組結合之 光模組上疋以螺絲或扣件作固定，使印刷電路板固定於背 曰曰龜1日$參照第1Α〜1Β圖，s 1Α目繪示乃傳統之液 每置的部分***圖，帛m崎示乃帛1Α圖之液晶 =面板、印刷電路板及背光模_部分放大圖。如第u 110、、、ΓΓ不，液晶顯示裝置100的主要結構包括前框 η :义日日日顯不面板12G、印刷電路板14G以及背光模組 板14〇1=員示面板120透過軟性電路板135與印刷電路 败Μυ稿接，且印刷電路 〇 為轉軸而上下翻轉。在=== 時，营凑 Μ 打 ^且衣/夜日日顯不裝置100 將液晶顯不面板12 〇刀f η β T — a , 背光模組130卜。及印刷電路板14Θ置放於 ’將印刷電路板140向下翻轉至背 1277808No.: TW2803PA IX. Description of the Invention: [Technical Field] The present invention relates to a method for assembling and assembling a liquid crystal structure and a frame clamping circuit, and a method for assembling the same. ,, and with the application of its liquid day a display [previous technology] event; ^a & set development is fast, each manufacturer in addition to continuous improvement in liquid crystal display technology, it will also be new The method to meet the trend of the industry. At present, the liquid crystal display: in the second method of mounting and mounting, the optical module combined with the printed circuit board and the backlight module is fixed by screws or fasteners, so that the printed circuit board is fixed on the back turtle 1 day. 1Α~1Β图, s 1Α 绘 乃 乃 乃 乃 乃 乃 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统 传统For example, the main structure of the liquid crystal display device 100 includes the front frame η: the sunday display panel 12G, the printed circuit board 14G, and the backlight module board 14〇1=the member panel 120 through the soft The circuit board 135 is connected to the printed circuit, and the printed circuit is turned upside down. In the ===, the camp is smashed and the clothing/night is not installed. The LCD will not display the panel 12 〇 knife f η β T — a , the backlight module 130. And the printed circuit board 14 is placed on the 'turns the printed circuit board 140 down to the back 1277808
三達編號：TW2803PA • 光模組130之侧面。然後，透過螺絲2i〇a及螺絲孔21卟 ， 的搭配設計’將印刷電路板140固定在背光模組13q 面上。接著，組裝前框110及背光模組丨30，使液晶顯7 面板120及印刷電路板140被前框no及背光模組13〇不 持在其中。然而，此結合方式在組裝過程中，必須執行2 工鎖附之步驟。且由於螺絲的需求量較大，零件的成本 較高。 齡 請同時參照第2A〜2B圖，第2A圖緣示乃傳統之另 一液晶顯示裝置的部分***圖，第2B圖繪示乃為傳统之 另一背光模組、液晶顯示面板及印刷電路板的部分放大 圖。如第2A〜2B圖所示，液晶顯示裝置100a與上述之液 晶顯示裝置100不同之處在於背光模組l30a以扣勾22〇 固疋印刷電路板140a。至於其餘相同之構成要件繼續沿用 舊有標號，並不再贅述。背光模組130a於其側面具有— 扣勾220，用以固定印刷電路板H〇a。在組裝印刷電路板 .l4〇a於背光模組130a上時，必須將印刷電路板i4〇a朝z 方向提咼’才可將印刷電路板140a垂直卡入扣勾220中。 當印刷電路板140a被卡入扣勾220後，仍必須輔以其他 螺絲，才可將印刷電路板14〇a穩固地鎖附於背光模組13〇a 之側面上。然而，在印刷電路板140a的組裝過程中，容 易因為要將印刷電路板140a垂直卡入扣勾220中，而擠 壞或妆扯到其他的零件，如軟性電路板135或液晶顯示面 & Uo。因此，進而導致軟性電路板135或液晶顯示面板 〇雙到擠壓或拉扯而造成電性連接不良，進而影響影像 1277808Sanda number: TW2803PA • Side of light module 130. Then, the printed circuit board 140 is fixed to the backlight module 13q through the matching design of the screw 2i〇a and the screw hole 21卟. Next, the front frame 110 and the backlight module 30 are assembled such that the liquid crystal display panel 120 and the printed circuit board 140 are not held by the front frame no and the backlight module 13 . However, this combination must be performed during the assembly process. And because the demand for screws is large, the cost of parts is high. Please refer to the 2A~2B drawings at the same time. The 2A figure shows a partial exploded view of another conventional liquid crystal display device, and the 2B figure shows another conventional backlight module, a liquid crystal display panel and a printed circuit board. Partially enlarged view. As shown in Figs. 2A to 2B, the liquid crystal display device 100a is different from the above-described liquid crystal display device 100 in that the backlight module 130a is fixed to the printed circuit board 140a by a hook 22b. As for the rest of the same constituent elements, the old labels will continue to be used and will not be described again. The backlight module 130a has a buckle 220 on its side for fixing the printed circuit board H〇a. When the printed circuit board is assembled on the backlight module 130a, the printed circuit board i4〇a must be lifted in the z direction to allow the printed circuit board 140a to be vertically inserted into the buckle 220. After the printed circuit board 140a is snapped into the buckle 220, it must be supplemented with other screws to firmly lock the printed circuit board 14A to the side of the backlight module 13A. However, during the assembly process of the printed circuit board 140a, it is easy to squeeze or pull the printed circuit board 140a into the buckle 220, and the other components, such as the flexible circuit board 135 or the liquid crystal display surface & Uo. Therefore, the flexible circuit board 135 or the liquid crystal display panel is caused to be squeezed or pulled to cause electrical connection failure, thereby affecting the image 1277808.
三達編號：TW2803PA ^品質。 【發明内容】 有鑑於此，本發明的目的就是在提供一種新穎之背光 模組和應用其之液晶顯示裝置及組裝方法，其利用可彈動 之撓性結構及框架夾持電路板之設計，除了減少螺絲的數 量以節省零件成本外，亦使組裝之步驟簡化。此外，更可 節省工時，且避免損害相關零件之功能。Sanda number: TW2803PA ^ quality. SUMMARY OF THE INVENTION In view of the above, an object of the present invention is to provide a novel backlight module and a liquid crystal display device and an assembly method thereof, which use a flexible structure and a frame to clamp a circuit board. In addition to reducing the number of screws to save on component costs, the assembly steps are simplified. In addition, it saves man-hours and avoids damaging the function of the relevant parts.
I 根據本發明的目的，提出一種背光模組，其包括一框 架以及一撓性結構。撓性結構包括一爽持部及一接合部。 其中，夾持部係以可彈動之方式與框架平行設置，接合部 係連接夾持部及框架。當夾持部於一自然狀態下，可與框 架夾持一電路板；當夾持部被施以外力而位移時，電路板 則與框架分離。 根據本發明的另一目的，提出一種液晶顯示裝置，其 _ 包括一背光模組、一液晶顯示面板以及一電路板。背光模 組包括一框架及一撓性結構。其中，撓性結構包括一夾持 部及一接合部。夾持部以可彈動之方式與框架平行設置， 接合部則連接夾持部及框架。液晶顯示面板設置於背光模 組上’電路板則與液晶顯不面板搞接。其中’爽持部於' ' 自然狀態下與框架夾持電路板，當施力於夾持部，使夾持 部位移時，則電路板與框架分離。 根據本發明的再一目的，提出一種液晶顯示裝置的組 裝方法。首先，提供一背光模組。背光模組包括一框架及 1277808In accordance with the purpose of the present invention, a backlight module is provided that includes a frame and a flexible structure. The flexible structure includes a shower portion and a joint portion. The clamping portion is rotatably disposed in parallel with the frame, and the engaging portion connects the clamping portion and the frame. When the clamping portion is in a natural state, a circuit board can be clamped with the frame; when the clamping portion is displaced by an external force, the circuit board is separated from the frame. According to another object of the present invention, a liquid crystal display device is provided, which includes a backlight module, a liquid crystal display panel, and a circuit board. The backlight module includes a frame and a flexible structure. Wherein, the flexible structure comprises a clamping portion and a joint portion. The clamping portion is rotatably disposed in parallel with the frame, and the engaging portion connects the clamping portion and the frame. The liquid crystal display panel is disposed on the backlight module. The circuit board is connected to the liquid crystal display panel. Wherein the 'sweating portion' holds the circuit board with the frame in a natural state, and when the clamping portion is biased to displace the clamping portion, the circuit board is separated from the frame. According to still another object of the present invention, a method of assembling a liquid crystal display device is proposed. First, a backlight module is provided. The backlight module includes a frame and 1277808
Ξ達編號：TW2803PA ‘ 一撓性結構。框架具有一頂板及一侧板，撓性結構包括一 失持部及一接合部。失持部以可彈動之方式與侧板平行設 置，接合部則連接失持部及侧板。接著，置放相互耦接之 —液晶顯示面板及一電路板於框架上，使液晶顯示面板位 於頂板上。然後’施—外力於撓性結構的夾持部。接著， 將私路板置放侧板上。然後，移除外力，使失持部及侧板 失持電路板。 . 為讓本發明之上述目的、特徵、和優點能更明顯易 懂，下文特舉一較佳實施例，並配合所附圖式，作詳細說 明如下： 【貫施方式】 實施例一 請參照第3圖，其繪示乃依照本發明之實施例一的液 晶顯示裝置的***圖。如第3圖所示，液晶顯示裝置3〇〇 包括剞框310、液晶顯示面板320、背光模組330以及電 路板340。背光模組33〇包括框架331及撓性結構35〇。 其中，框架331具有頂板332及侧板334。液晶顯示面板 320設置於頂板332上，電路板34〇與液晶顯示面板32〇 相互耦接。在本實施例中，電路板340係以印刷電路板為 例作說明。其中，電路板340透過軟性電路板;325與液晶 顯示面板32〇耦接，使得印刷電路板340相對於液晶顯示 -面板320可以X轴為轉軸而上下翻轉。液晶顯示面板32〇 及背光模組330之間更可設置一光學膜片及擴散板（未繪 示）。至於撓性結構350之詳細結構將附圖說明如下。 1277808Ξ达号: TW2803PA ‘ A flexible structure. The frame has a top plate and a side plate, and the flexible structure includes a missing portion and a joint portion. The missing portion is disposed in parallel with the side plate in a rotatable manner, and the joint portion connects the lost portion and the side plate. Then, the liquid crystal display panel and a circuit board are coupled to each other on the frame so that the liquid crystal display panel is located on the top plate. Then, the external force is applied to the nip portion of the flexible structure. Next, place the private board on the side panel. Then, the external force is removed, and the missing portion and the side plate are lost to the circuit board. The above described objects, features, and advantages of the present invention will become more apparent and understood. Fig. 3 is an exploded view of a liquid crystal display device according to a first embodiment of the present invention. As shown in Fig. 3, the liquid crystal display device 3 includes a frame 310, a liquid crystal display panel 320, a backlight module 330, and a circuit board 340. The backlight module 33A includes a frame 331 and a flexible structure 35A. The frame 331 has a top plate 332 and a side plate 334. The liquid crystal display panel 320 is disposed on the top plate 332, and the circuit board 34 is coupled to the liquid crystal display panel 32A. In the present embodiment, the circuit board 340 is exemplified by a printed circuit board. The circuit board 340 is coupled to the liquid crystal display panel 32, such that the printed circuit board 340 is flipped up and down with respect to the liquid crystal display panel 320. An optical film and a diffusion plate (not shown) may be disposed between the liquid crystal display panel 32A and the backlight module 330. The detailed structure of the flexible structure 350 will be described below. 1277808
- 三達編號：TW2803PA ' 請參照第4圖，騎示乃第3圖之背光模組的部分放 '大圖。如第4圖所示，撓性結構350包括夾持部352及接 合部354。爽持部松以可彈動之方式與側板334平行設 置且相隔一間距356。夾持部352例如是一橋形構件，可 以沿著平行於側板334之方向（即z方向）被按壓而變形。 接合部354則連接夹持部352及侧板334。其中，夾持部 352於-自然:狀態下可與側板334夾持電路板州，以在土 籲y方向上固疋私路板340。此時，夾持部352之最高點高 於接口《Μ54 ’且接近於頂板332。當夹持部说被按壓 而往-z方向位移時，則變形後之夾持部说將不會與電路 板340產生任何干涉作用，因此電路板34〇可以與側板⑽ 分離。 在本實施例中，背光模組330更包括至少一推止件 3= ’設置於框架331之侧板334上。推止件说用以在 夾寺部352與側板334夾持電路板MO時，可抵住電路板 的上邊緣。因&，透過接合部354及推止件说 =夺電路板340’以在±z方向上固定電路板34〇。此外， ;撓性結構35G及推止件说可以是— 框架別於換性結構35〇的旁側形成一開口，其有 ;框架331及撓性結構35〇同時射出成型。 請參照第5A〜5C圖，騎示液晶顯示面板、電 组裝流程圖。首先，如第5A圖所 ^ 352於自然狀態下’具有—原始高度dl。而電路板3f〇 ”液晶顯示面板320相互輕接，並具有—間隙切。 1277808- Sanda number: TW2803PA ' Please refer to Figure 4, and the part of the backlight module of Figure 3 is placed in a larger image. As shown in Fig. 4, the flexible structure 350 includes a clamping portion 352 and a joint portion 354. The slings are loosely disposed in parallel with the side panels 334 and spaced apart by a distance 356. The grip portion 352 is, for example, a bridge member that can be deformed by being pressed in a direction parallel to the side plate 334 (i.e., the z direction). The joint portion 354 connects the clamp portion 352 and the side plate 334. Wherein, the clamping portion 352 can hold the circuit board state with the side plate 334 in the -natural state to fix the private circuit board 340 in the y direction. At this time, the highest point of the grip portion 352 is higher than the interface "Μ54" and is close to the top plate 332. When the nip portion is said to be pressed and displaced in the -z direction, the deformed nip portion will not cause any interference with the circuit board 340, so that the circuit board 34 〇 can be separated from the side plate (10). In this embodiment, the backlight module 330 further includes at least one pusher 3=' disposed on the side plate 334 of the frame 331. The pusher member is operative to abut against the upper edge of the circuit board when the temple portion 352 and the side plate 334 hold the circuit board MO. Because of &, the board 340' is fixed through the joint portion 354 and the pusher member to fix the circuit board 34A in the ±z direction. In addition, the flexible structure 35G and the pusher member may be formed such that the frame forms an opening on the side of the flexible structure 35A, and the frame 331 and the flexible structure 35 are simultaneously injection molded. Refer to Figures 5A to 5C for a ride on the LCD panel and the electrical assembly flowchart. First, as shown in Fig. 5A, 352 has a raw height dl in a natural state. The circuit board 3f"" liquid crystal display panel 320 is lightly connected to each other and has a gap cut. 1277808
三達編號：TW2803PA ^ 接著，如第5B圖所示，使用者可於-z方向上以外力 、F按壓於夾持部352之最高點，使失持部352往_2方向彈 ，而移動。此時，使用者即可將液晶顯示面板320設置於 %光模組330之頂板332上，而將電路板34〇置放於侧板 334上。電路板34〇與夾持部352之間具有一餘隙如，因 此二者互不干涉。同時，推止件336貫穿間隙。 然後，如第5C圖所示，當使用者解除外力F時，夾 持部352將恢復原始高度dl，使電路板34〇被夾持於夾持 部352及侧板334之間。若要取出電路板34〇於背光模組 330外，使用者可以再重複上述操作流程，即可完成。 實施例二 明參R?、弟6圖，其繪示乃依照本發明之實施例二之背 光模組的部分示意圖。本實施例之背光模組6〇〇a與實施 例一之背光模組330不同之處在於撓性結構600。至於其 ，他相同之構成要件，繼續沿用舊有標號，並不再贅述。如 弟6圖所不’挽性結構600包括第一爽持部610a、第-夹 持部610b、第一接合部620a及第二接合部620b。第—夹 持部610a、第二夾持部610b與侧板334相隔一間距656。 其中，第一夾持部610a連接第一接合部620a，再由第— 接合部620a連接侧板334。第二夾持部61〇b連接第二接 合部620b ,並由第二接合部620b連接侧板334。第—夾 持部610a與第二夾持部61〇b相隔一第一距離l。同時^ 第一夾持部610a之最高點與第二夾持部61〇b之最高點分 10 1277808Sanda number: TW2803PA ^ Next, as shown in Fig. 5B, the user can press the external force in the -z direction, F presses the highest point of the clamping portion 352, and causes the missing portion 352 to bounce in the direction of _2, and moves . At this time, the user can set the liquid crystal display panel 320 on the top plate 332 of the % light module 330, and place the circuit board 34 on the side plate 334. There is a gap between the circuit board 34A and the clamping portion 352, for example, so that the two do not interfere with each other. At the same time, the pusher 336 passes through the gap. Then, as shown in Fig. 5C, when the user releases the external force F, the grip portion 352 returns to the original height d1, so that the circuit board 34 is clamped between the sandwiching portion 352 and the side plate 334. To remove the circuit board 34 from the backlight module 330, the user can repeat the above operation process to complete. The second embodiment of the present invention is a schematic diagram of a backlight module according to the second embodiment of the present invention. The backlight module 6A of this embodiment is different from the backlight module 330 of the first embodiment in the flexible structure 600. As for it, he has the same constituent elements, and continues to use the old labels, and will not repeat them. The slidable structure 600 includes a first holding portion 610a, a first holding portion 610b, a first engaging portion 620a, and a second engaging portion 620b. The first clamping portion 610a and the second clamping portion 610b are spaced apart from the side plate 334 by a spacing 656. The first clamping portion 610a is connected to the first engaging portion 620a, and the first engaging portion 620a is connected to the side plate 334. The second holding portion 61〇b is connected to the second joint portion 620b, and the side plate 334 is joined by the second joint portion 620b. The first clamping portion 610a is spaced apart from the second clamping portion 61〇b by a first distance l. At the same time, the highest point of the first clamping portion 610a and the highest point of the second clamping portion 61〇b are 10 1277808
三達編號：TW2803PA ’ 別高於第一接合部620a及第二接合部620b，且接近於頂 ^ 板 332。 實施例三 請參照第7圖，其繪示乃依照本發明之實施例三之背 光模組的部分示意圖。本實施例之背光模組700a與實施 例一之背光模組330不同之處在於撓性結構700。至於其 他相同之構成要件，繼續沿用舊有標號，並不再贅述。如 第7圖所示，撓性結構700包括一夾持部710、一接合部 720及一轉折部730。其中，夾持部710以可彈動之方式 透過接合部720與侧板334連接，且與侧板334平行設置 且相隔一間距756。轉折部730連接夾持部710及接合部 720，轉折部730係用以強化夾持部710及接合部720之 連接處，減緩撓性結構700之應力集中現象，有助於提高 撓性結構700之使用壽命。夾持部710之最高點高於接合 部720，且接近於頂板332。接合部720高於轉折部730 之最低轉折點。夾持部710、接合部720及轉折部730可 以是一體成型之結構，有如一牛輛型結構。 實施例四 請參照第8圖，其繪示乃依照本發明之實施例四之背 光模組的部分示意圖。本實施例之背光模組800a與實施 例三之背光模組700a不同之處在於撓性結構800。至於其 他相同之構成要件，繼續沿用舊有標號，並不再贅述。如 11 1277808The third dimension: TW2803PA' is higher than the first joint portion 620a and the second joint portion 620b, and is close to the top plate 332. Embodiment 3 Referring to Figure 7, a partial schematic view of a backlight module in accordance with a third embodiment of the present invention is shown. The backlight module 700a of the present embodiment is different from the backlight module 330 of the first embodiment in the flexible structure 700. As for the other constitutive elements, the old labels will continue to be used and will not be described again. As shown in FIG. 7, the flexible structure 700 includes a clamping portion 710, a joint portion 720, and a turning portion 730. The clamping portion 710 is connected to the side plate 334 through the engaging portion 720 in a spring-like manner, and is disposed in parallel with the side plate 334 and spaced apart by a distance 756. The turning portion 730 is connected to the clamping portion 710 and the joint portion 720. The turning portion 730 is used to strengthen the joint between the clamping portion 710 and the joint portion 720, thereby alleviating the stress concentration phenomenon of the flexible structure 700, and contributing to the improvement of the flexible structure 700. The service life. The highest point of the nip 710 is higher than the joint 720 and is close to the top plate 332. The joint portion 720 is higher than the lowest turning point of the turning portion 730. The clamping portion 710, the engaging portion 720, and the turning portion 730 may be integrally formed, and have a structure of a cow. Embodiment 4 Referring to Figure 8, a partial schematic view of a backlight module in accordance with a fourth embodiment of the present invention is shown. The backlight module 800a of this embodiment is different from the backlight module 700a of the third embodiment in a flexible structure 800. As for the other constitutive elements, the old labels will continue to be used and will not be described again. Such as 11 1277808
三達編號：TW2803PA • 第8圖所示，撓性結構800包括第一夾持部810a、第二夾 : 持部810b、第一接合部820a、第二接合部820b、第一轉 折部830a及第二轉折部830b。其中，第一夾持部810a及 第二夾持部810b之間具有一第二距離L2，並與侧板334 相隔一間距856。第一轉折部830a連接第一夾持部810a 及第一接合部820a。.第一夾持部810a之最高點高於第一 接合部820a且接近於頂板332，而第一接合部820a高於 第一轉折部830a之最低轉折點，使三者構成一 S形構件。 > 第二轉折部830b連接第二夾持部820a及第二接合部 820b。第二夾持部810b之最高點高於第二接合部820b且 接近於頂板332，第二接合部820b高於第二轉折部830b 之最低轉折點，使三者構成另一 S形構件。第一轉折部830a 係用以強化第一夾持部810a及第一接合部820a之連接介 面，而第二轉折部830b係用以強化第二夾持部810b及第 二接合部820b之連接處，以減緩撓性結構800之應力集 _ 中之現象，有助於提高撓性結構800之使用壽命。 實施例五 為了詳鈿說明本發明之特徵，於此提出上述之液晶顯 示裝置的組裝方法說明。請參照第9圖，其繪示乃依照本 發明之實施例五之液晶顯示裝置之組裝方法的流程圖。同 時，本實施例五係以實施例一之液晶顯示裝置做說明，請 參照第5A〜5C圖。 首先，如步驟91所示，並參考第5A圖，提供一背 12 1277808 三達編號：TW2803PA 光模組，例如是上述實施例之背光 月亢衩組 330、600a、700a 及8 0 0 a其中之。在此以接1 # a t ,…+ 以只％例—之背光模組330為例 做說明。背光模組330具有一妹祕处碰， N ^ 攙性結構350，設詈於昔央 模組330的框架331上。撓性結構州具有失持部352及 接合部354，夾持部352以可彈動之方式與側板334平行 設置且相隔一間距，接合部354遠技 遷接失持部352及侧板 334。框架331上設置至少一推+杜 推止件336。於一自缺狀熊下， 夹持部352具有一原始高度山。 〜 接者’進入步驟92，晋姑★日方*从 置放相互耦接之液晶顯示面板 320及電路板340於框架331卜，你、六日日 卞上，使液晶顯示面板32〇位 之 於頂板332上。其中，液晶顧+而士 曰,、、、員不面板320與電路板340 間存在一間隙322。 然後，如步驟93所示，允夂去哲 下亚茶考弟5Β圖，施以一外力 F於挽性結構350之炎持部352。接著，如步驟舛所示， 將電路板340置放於側板334上。此時’夾持部352與電 路板340具有一餘隙為如，因此於y方向上，夾持部352 與電路板340互不干涉。 然後，進入步驟95，並參考第5C圖，移除外力F， 使夾持部352及侧板334夾持電路板340。其中，當移除 外力F之後’夾持部352恢復原始高度山，使夾持部352 對電路板340產生干涉，即可夾持住電路板34〇。同時， 推止件336可貫穿間隙322，以抵住電路板34〇之邊緣， 防止電路板340朝z方向移動。 需要注意的是，本實施例亦可於框架331之側板334 13 1277808Sanda number: TW2803PA • As shown in Fig. 8, the flexible structure 800 includes a first clamping portion 810a, a second clamping portion 810b, a first engaging portion 820a, a second engaging portion 820b, a first turning portion 830a, and The second turning portion 830b. The first clamping portion 810a and the second clamping portion 810b have a second distance L2 therebetween and are spaced apart from the side plate 334 by a distance 856. The first turning portion 830a connects the first clamping portion 810a and the first engaging portion 820a. The highest point of the first clamping portion 810a is higher than the first engaging portion 820a and close to the top plate 332, and the first engaging portion 820a is higher than the lowest turning point of the first turning portion 830a, so that the three constitute an S-shaped member. > The second turning portion 830b connects the second holding portion 820a and the second joining portion 820b. The highest point of the second clamping portion 810b is higher than the second engaging portion 820b and is close to the top plate 332, and the second engaging portion 820b is higher than the lowest turning point of the second turning portion 830b, so that the three constitute another S-shaped member. The first turning portion 830a is for reinforcing the connection interface between the first clamping portion 810a and the first engaging portion 820a, and the second turning portion 830b is for reinforcing the connection between the second clamping portion 810b and the second engaging portion 820b. In order to slow down the phenomenon in the stress set of the flexible structure 800, it helps to increase the service life of the flexible structure 800. (Embodiment 5) In order to explain the features of the present invention in detail, an explanation will be given of an assembly method of the above liquid crystal display device. Referring to Fig. 9, there is shown a flow chart of a method of assembling a liquid crystal display device according to a fifth embodiment of the present invention. In the meantime, the fifth embodiment is described with reference to the liquid crystal display device of the first embodiment. Please refer to Figs. 5A to 5C. First, as shown in step 91, and referring to FIG. 5A, a back 12 1277808 three-numbered: TW2803PA optical module is provided, for example, the backlight moonset groups 330, 600a, 700a, and 80 0 a of the above embodiment. It. Here, the backlight module 330 of only % of the examples is taken as an example. The backlight module 330 has a sister collision, and the N ^ 结构 structure 350 is disposed on the frame 331 of the buddy module 330. The flexible structure state has a missing portion 352 and a joint portion 354. The clamping portion 352 is disposed in parallel with the side plate 334 in a rotatable manner and spaced apart from each other, and the joint portion 354 is remotely transferred to the missing portion 352 and the side plate 334. At least one push + dop thruster 336 is disposed on the frame 331. Under the self-deficient bear, the clamping portion 352 has an original height mountain. ~ Receiver 'Enter step 92, Jin Gu ★ Japanese side * from the placement of the liquid crystal display panel 320 and the circuit board 340 coupled to each other in the frame 331, you, on the 6th day, the LCD panel 32 is placed On the top plate 332. There is a gap 322 between the LCD panel and the circuit board 340. Then, as shown in step 93, the 夂 哲 哲 下 亚 茶 考 考 考 考 考 , , , , , , , 。 。 。 。 。 。 。 。 。 。 。 。 。 。 Next, as shown in step ,, the circuit board 340 is placed on the side plate 334. At this time, the nip portion 352 and the circuit board 340 have a clearance such that the nip portion 352 and the circuit board 340 do not interfere with each other in the y direction. Then, proceeding to step 95, and referring to FIG. 5C, the external force F is removed, and the clamping portion 352 and the side plate 334 are clamped to the circuit board 340. Wherein, after the external force F is removed, the clamping portion 352 returns to the original height mountain, causing the clamping portion 352 to interfere with the circuit board 340, thereby holding the circuit board 34A. At the same time, the pusher member 336 can extend through the gap 322 to abut the edge of the circuit board 34 to prevent the circuit board 340 from moving in the z direction. It should be noted that this embodiment can also be used on the side plate 334 13 1277808 of the frame 331.
三達編號：TW2803PA ‘ 上形成數個相互隔開之撓性結構350、600、700及800之 ， 任意組合，以進一步地穩固電路板340於框架331上。 本發明上述實施例所揭露之背光模組和液晶顯示裝 置及組裝方法，係利用撓性結構取代傳統上以螺絲或扣勾 做結合的方式，將液晶顯示面板及電路板組裝到背光模 組，具有下列特徵及優點： (一） 撓性結構可於製造背光模組之框架時，一體成形 產出，可減少零件如螺絲的需求量，以降低零件的材料成 ’本。 (二） 利用撓性結構之性質，以簡易的按壓動作取代 旋轉螺絲以鎖緊的步驟，可簡化組裝的過程以節省工時。 (三） 組裝電路板於背光模組時，僅需作用於撓性結 構的夾持部上，無須再對電路板施力以嵌入原始設計的扣 勾中。同時，組裝時撓性結構與電路板互不干涉，故電路 板可以X軸為轉軸，自然旋轉至框架側邊進行固定，可避 > 免傳統上以扣勾方式組裝時，容易拉扯到其他零件如軟性 電路板之導線的缺點。 綜上所述，雖然本發明已以一較佳實施例揭露如上， 然其並非用以限定本發明。本發明所屬技術領域中具有通 常知識者，在不脫離本發明之精神和範圍内，當可作各種 之更動與潤飾。因此，本發明之保護範圍當視後附之申請 專利範圍所界定者為準。 14 1277808Sanda number: TW2803PA ‘A plurality of mutually spaced flexible structures 350, 600, 700 and 800 are formed thereon to arbitrarily stabilize the circuit board 340 on the frame 331. The backlight module, the liquid crystal display device and the assembly method disclosed in the above embodiments of the present invention use a flexible structure instead of a conventional combination of a screw or a buckle to assemble the liquid crystal display panel and the circuit board to the backlight module. It has the following features and advantages: (1) The flexible structure can be integrally formed when manufacturing the frame of the backlight module, which can reduce the requirement of parts such as screws, so as to reduce the material of the parts. (2) The use of a flexible structure to replace the rotating screw with a simple pressing action to simplify the assembly process to save man-hours. (3) When assembling the circuit board in the backlight module, it only needs to be applied to the clamping portion of the flexible structure, and it is no longer necessary to apply force to the circuit board to be embedded in the original design hook. At the same time, the flexible structure and the circuit board do not interfere with each other during assembly, so the circuit board can be X-axis as the rotating shaft, and naturally rotates to the side of the frame for fixing, which can avoid the traditional folding of the hook, which is easy to pull to other Disadvantages of parts such as flexible circuit board wires. In view of the above, the present invention has been disclosed in a preferred embodiment, and is not intended to limit the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention. Therefore, the scope of the invention is defined by the scope of the appended claims. 14 1277808
三達編號：TW2803PA - 【圖式簡單說明】 ， 第1A圖繪示乃傳統之液晶顯示裝置的部分***圖。 第1B圖繪示乃第1A圖之液晶顯示面板、印刷電路 板及背光模組的部分放大圖。 第2A圖繪示乃傳統之另一液晶顯示裝置的部分*** 圖。 第2B圖繪示乃第2A圖之液晶顯示面板、印刷電路 板及背光模組的部分放大圖。 > 第3圖繪示乃依照本發明之實施例一的液晶顯示裝 置的***圖。 第4圖繪示乃第3圖之背光模組的部分放大圖。 第5A〜5C圖繪示乃液晶顯示面板、電路板及背光模 組之組裝流程圖。 第6圖繪示乃依照本發明之實施例二之背光模組的 部分示意圖。 第7圖繪示乃依照本發明之實施例三之背光模組的 部分示意圖。 第8圖繪示乃依照本發明之實施例四之背光模組的 部分示意圖。 第9圖繪示乃依照本發明之實施例五之液晶顯示裝 置之組裝方法的流程圖。 【主要元件符號說明】 100、100a、300 :液晶顯示裝置 110、310 ·•前框 15 1277808Sanda number: TW2803PA - [Simple description of the diagram], Figure 1A shows a partial explosion diagram of a conventional liquid crystal display device. Fig. 1B is a partially enlarged view showing the liquid crystal display panel, the printed circuit board, and the backlight module of Fig. 1A. Fig. 2A is a partial exploded view showing another conventional liquid crystal display device. Fig. 2B is a partially enlarged view showing the liquid crystal display panel, the printed circuit board, and the backlight module of Fig. 2A. > Fig. 3 is an exploded view of a liquid crystal display device according to Embodiment 1 of the present invention. FIG. 4 is a partial enlarged view of the backlight module of FIG. 3 . 5A to 5C are flowcharts showing the assembly of the liquid crystal display panel, the circuit board, and the backlight module. Figure 6 is a partial schematic view of a backlight module in accordance with a second embodiment of the present invention. Figure 7 is a partial schematic view of a backlight module in accordance with a third embodiment of the present invention. Figure 8 is a partial schematic view of a backlight module in accordance with a fourth embodiment of the present invention. Figure 9 is a flow chart showing a method of assembling a liquid crystal display device according to Embodiment 5 of the present invention. [Description of main component symbols] 100, 100a, 300: Liquid crystal display device 110, 310 ·• Front frame 15 1277808
三達編號：TW2803PA • 120、320 :液晶顯示面板 ' 130、130a、330、600a、700a、800a :背光模組 135 :軟性電路板 140、140a、340 :印刷電路板 210a :螺絲 210b:螺絲孔 220 :扣勾 322 :間隙 > 325 :軟性電路板 331 :框架 332 :頂板 334 :侧板 336 :推止件 350、600、700、800 ··撓性結構 352、710 :夾持部 _ 354、720 :接合部 356、656、756、856 ··間距 610a、810a :第一夾持部 610b、810b :第二夾持部 620a、820a :第一接合部 620b、820b :第二接合部 630a、830a :第一轉折部 630b、830b :第二轉折部 730 :轉折部 16 1277808Sanda number: TW2803PA • 120, 320: liquid crystal display panel '130, 130a, 330, 600a, 700a, 800a: backlight module 135: flexible circuit board 140, 140a, 340: printed circuit board 210a: screw 210b: screw hole 220: buckle 322: gap> 325: flexible circuit board 331: frame 332: top plate 334: side plate 336: push-stop members 350, 600, 700, 800 · flexible structure 352, 710: clamping portion _ 354 720: joint portions 356, 656, 756, 856 · pitch 610a, 810a: first sandwiching portions 610b, 810b: second sandwiching portions 620a, 820a: first joint portions 620b, 820b: second joint portion 630a 830a: first turning portion 630b, 830b: second turning portion 730: turning portion 16 1277808
三達編號：TW2803PA β 4 :原始高度 ' d2 :餘隙 F :外力 ••第一距離 L 2 ·弟^一距離Sanda number: TW2803PA β 4 : original height ' d2 : clearance F : external force •• first distance L 2 · brother ^ one distance
1717
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW95104587A TWI277808B (en) | 2006-02-10 | 2006-02-10 | Backlight module and liquid crystal display device using the same and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW95104587A TWI277808B (en) | 2006-02-10 | 2006-02-10 | Backlight module and liquid crystal display device using the same and assembling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TWI277808B true TWI277808B (en) | 2007-04-01 |
| TW200730953A TW200730953A (en) | 2007-08-16 |
Family
ID=38626053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW95104587A TWI277808B (en) | 2006-02-10 | 2006-02-10 | Backlight module and liquid crystal display device using the same and assembling method thereof |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWI277808B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8149590B2 (en) | 2009-09-30 | 2012-04-03 | Chunghwa Picture Tubes, Ltd. | Circuit board fixing element |
| CN111077510A (en) * | 2019-12-16 | 2020-04-28 | 上海禾赛光电科技有限公司 | Laser radar's receiving terminal and laser radar |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI385437B (en) * | 2008-09-12 | 2013-02-11 | Chimei Innolux Corp | Liquid crystal display |
-
2006
- 2006-02-10 TW TW95104587A patent/TWI277808B/en not_active IP Right Cessation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8149590B2 (en) | 2009-09-30 | 2012-04-03 | Chunghwa Picture Tubes, Ltd. | Circuit board fixing element |
| CN111077510A (en) * | 2019-12-16 | 2020-04-28 | 上海禾赛光电科技有限公司 | Laser radar's receiving terminal and laser radar |
| CN111077510B (en) * | 2019-12-16 | 2022-12-02 | 上海禾赛科技有限公司 | Laser radar's receiving terminal and laser radar |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200730953A (en) | 2007-08-16 |
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