M323626 -八、新型說明： 【新型所屬之技術領域】 4- />. τ t l. 〇 ηM323626 - VIII, new description: [New technical field] 4- /> τ t l. 〇 η
e之液晶顯示器。 指一 【先前技術】 • 由於液晶顯示ϋ面板中之液晶本身不發光，因而，為達到顯示效 .果，須給液_示||面板提供—面統裝置，如絲模組，以實現顯 _不功能。背光模組按結構分為側光式背光模組及直下式背光模組。e liquid crystal display. Refer to [previous technology] • Since the liquid crystal in the liquid crystal display panel does not emit light itself, in order to achieve the display effect, the liquid-based device, such as a silk module, is required to realize the display. _ not functional. The backlight module is divided into an edge light type backlight module and a direct type backlight module according to the structure.
Ik著液晶顯71^、細領域之不斷減，特別是大尺寸液晶顯示器 之應用，如液晶電視等，對液晶顯示器之背光模組之出光輝度要求進 步提南，需要使用複數發光元件以提高整個背光模組之出光輝度， 傳統之側光式背光模組已不能滿足其出光輝度之要求，因此直下式背 光模組成為大尺寸液晶顯示器之主流。 請參閱圖1 ’係一種先前技術液晶顯示裝置之立體分解圖。該液 晶顯示裝置1包括一液晶面板19及一鄰近該液晶面板19設置之背光 #模組10。 該背光模組10係一直下式背光模組，其包括一金屬背板15、複 " 數光源14、一擴散板11及一增光片12，該複數光源14、一擴散板11 及一增光片12自下而上依次收容於該金屬背板15内。 該光源14包括一基板141及複數發光元件142，該基板141係條 形’複數發光元件142成列設置於該基板141上，該基板141上設置 電路，外界之電源經由導線(圖未示)及該基板141上之電路點亮該發 光元件142。 該金屬背板15包括一底板151及自該底板151之邊緣垂直向上延 M323626 •伸之侧S 150，該底板151與該側壁15〇界定一收容空間。該金屬背 •板15收容該複數光源14、該擴散板11及該增光片12於其内。月 組裝光源I4時’需將該複數光源w放置於該金屬 ⑸上，該複數光源14之基板141分別水平平行排列，每一光源μ *之基板141兩端分別藉由一螺絲鎖固在底板151上，若要更為稃固的 固定光源14 ’亦可在基板141中部再加一螺絲進行鎖固。心、 . σ惟’採用此背光模、组10 ’固定統14時需要大量使用螺絲，實 -際減實為毅’往往使得絲Μ的組騎卸動作胸，極為耗時且 鲁效率低下。且背光模組1〇之尺寸越大，所需光源14越多， 更為繁瑣，不方便組裝。 、、衣t木 又’為了有效將光源14所產生之熱量導出，會將光源14之基板 141薄型化來幫助導熱，但#基板141越做越薄後，基板ΐ4ι較易麵 曲而部份脫離金屬背板15，降低接觸傳導散熱的效果。 【新型内容】 有鑑於上述内容，提供一種組裝方便之背光模組實為必要。 另，提供-種_上述背光歡之液晶顯示裝置實為必要。 •—種背光模組，其包括複數光源及一金屬背板。每-光源包括-條形基板及至少-發光元件’該發光元件設·該基板上。該金屬背 -板包括-底板，該底板上設置固持結構，該固持結構藉由卡扣配合將 該基板固持於該底板上，並使得該基板貼向底板。 -種背光独，其包括複數絲及—金屬背板。每—光源包括一 條形基板及至少-發光元件’雜光元件設置於該基板上。該金屬背 板包括-底板’該底板上設置固持結構，該固持結構藉由卡塊與卡槽 之卡扣配合將基板固定於底板，並使得該基板貼向該底板。 -種液晶顯示裝置，其包括—液晶面板及—鄰近該液晶面板設置 M323626 •之背光模組。該背光模組包減數光源及—金屬 .:條形基板及至少-發光元件，該發故件設置於該基板上== 月板包括-底板’該底板上設置固持結構，該崎結構藉由卡扣配合 將該基板_於該絲上，並使得該基板貼向底板。 •—種液晶顯示裝置，其包括—液晶面板及-鄰近該液晶面 板设置之背如莫組。該背光模組包括複數光源及一金屬背板。每一光 .源包括:條形基板及至少一發光元件，該發光元件設置於該基板上。 • 板包括-底板’該底板上設置畴結構，該固持結構藉由卡 鲁塊與卡槽^卡扣配合將基板固定於底板，並使得該基板貼向該底板。 與先前技術相比較，本創作之背光模組及液晶顯示裝置之金屬背 板上β又置固持結構，並藉由固持結構之卡扣配合固定光源，其組裝方 便，可大置減少螺絲的使用，簡化光源之組裝拆卸工序，減少工時。 【實施方式】 ' 請參閱圖2，係本創作液晶顯示裝置第一實施方式之立體分解 圖。該液晶顯示裝置2包括一液晶面板29及一鄰近該液晶面板29設 置之背光模組20。 • 該背光模組20係一直下式背光模組，其包括一金屬背板25、複 數光源24、一擴散板21及一增光片22，該複數光源24、擴散板21 及增光片22自下而上依次收容於該金屬背板25内。 母一光源24包括一基板241及複數發光元件242，該基板241係 條形’複數發光元件242成列設置於該基板241上，該基板241上設 置電路，外界之電源經由導線(圖未示)及該基板241上之電路點亮該 發光元件242，該發光元件242發出之光線經由擴散片21之擴散及增 光片22之聚光作用以用於點亮該液晶面板29，從而改善輸出光線之 品質〇 M323626 ' 該金屬背板25包括一底板251及自該底板251之邊緣垂直向上延 -伸之側壁250，該底板251與該侧壁250界定一收容空間。該金屬背 板25收容該複數光源24、該擴散板21及該增光片22於其内。該金 •屬背板25之底板251上設置複數條形突起252，該複數突起252水平 -平行排列，且每一列設置二突起252,因此，複數突起252排成二欄。 該突起252之個數、形狀與該光源之基板241個數、形狀匹配，且該 - 突起252之上表面係一向外彎曲的弧形表面。 - 請一併參閱圖3,係圖2中III部份之放大示意圖。該金屬背板25 鲁之底板251上，在突起252之二端部，分別設置具有收容槽之卡合部 254，兩端之卡合部254之間的距離略小於光源24基板241的長度， 此距離的設計與突起252的弧度相匹配，即在基板241插入卡合部254 後，由於一卡合部254之間的距離略小於基板241的距離，會使得基 板241產生一微小量的彎曲，該彎曲弧度與突起252弧形表面之弧度 相匹配。 組裝光源24時，稍稍彎曲光源24之基板241，並將該基板241 之兩端分別插入卡合部254之收容槽内，由於基板241本身之抗彎曲 #之能力，會使得基板241兩端有向底板251突起252之弧形表面貼近 的趨勢’且基板241長度的設計與突起252的弧度相匹配，會使得基 板241整個貼向突起252之弧形表面，從而將光源24固定於金屬背板 25之底板251。將光源24拆下時，僅需要將光源24之基板241從卡 合部254之收容槽内取出即可將光源24拆下。 相較於先前技術，該背光模組20藉由卡合部254將光源24固定 在金屬背板25之突起252之弧形表面，由於光源24基板241本身之 抗彎曲能力，該基板241有向底板251突起252之弧形表面貼近的趨 勢，從而可減少基板241薄型化後易產生翹曲的程度，有利於散熱。 M323626 ，且此固定方式大量減少了螺絲的使用，從而簡化了光源24的組裝拆卸 -工序，減少了工時，可有效提高組裝拆卸效率。 請芩閱圖4及圖5，圖4係本創作液晶顯示裝置第二實施方式之 背光模組之立體示意圖，圖5係圖4中V部份之放大示意圖。背光模 •組30之光源34基板341 —端之二相對長邊邊緣分別設置一第一„^槽 343 ’該第一^^槽343係圓弧形。該基板341另一端之中部設置一第二 -卡槽344 ’該第二卡槽344係方形。背光模組3〇之金屬背板35之底 - 板351係一平板，該光源34放置於該底板351上，該底板351與基板 籲341之第一卡槽343對應處設置與其相匹配之第一卡塊353，該底板 351與基板341之第二卡槽344對應處設置與其相匹配之第二卡塊 354’該第二卡塊354係自該底板351自身沖壓而出之L形彈片，其包 括彎折部及扣合部，該彎折部與該底板351相連，該第二卡塊354之 彎折方向背離該第一^^塊353，且該扣合部及彎折部所形成之夾角小 於90度。組裝光源34時，首先將基板341之第二卡塊354置入第二 卡槽344，推動該基板341向第一·"^塊353移動，使得該基板341之 具有第一^槽343 —端位於該第一^^塊353上方，並將該基板341向 修下扣合，直至該第一^^塊353扣合於該第一^^槽343内，且藉由張力 可樓平基板341，使基板整體貼向金屬背板35之底板351，將光源34 '固定於金屬背板35之底板351。 請參閱圖6，係本創作液晶顯示裝置第三實施方式之背光模組之 立體示意圖。該背光模組40與第二實施方式之背光模組3〇結構類似， 其區別在於：在基板441兩端之長邊邊緣處分別設置一^^槽443，且 兩端之卡槽443分別位於該基板441之兩侧邊緣處，該底板451與該 卡槽443對應位置各設置一卡塊453，該卡塊453係自該底板451自 身沖壓而出之L形彈片，該卡塊453包括彎折部及扣合部，該彎折部 M323626 2底板451相連，該扣合部及彎折部所形成之失角小於如度，且二 ft刀別朝向對方彎折。組裝光源時，首先將基板441以傾斜於二; 塊453之方向置於底板姐上，平行轉動該基板撕，從而使得顿 板44二兩端之卡槽秘扣合於底板451之卡塊奶内。 土 7及圖8 ’圖7係本創作液晶顯示裝置第四實施方式之 二 之立體示意圖，圖8係圖7中VIII部份之放大示意圖。該背 光板、、且50之光源之基板541兩端之中部分別設置一方形卡槽％，該 底板551與該卡槽543對應位置各設置一卡塊553，該卡塊553係自' 職板551自身沖壓而出之彈片，其與該底板551成一夾角，且兩端 之彈片之開口相對。組裝光源時，稍稍將基板541彎曲，使得設置於 底板551上之卡塊553插入並扣合於卡槽543中即可。 此、㈣圖9及圖1〇 ’圖9係本創作液晶顯示裝置第五實施方式之 为光核組之立體示意圖，圖1G係圖9 部份之放大示意圖。該背 光模組60與第四實施方式之背光模組50結構類似，其區別在於：該 卡塊653包括依次相連之彎折部654、水平部655及扣合部6兄，該彎 折部654與該底板651相連，該扣合部656係具有向下凹陷之曲面， 且底板651兩端之卡塊653彎折方向一致。組裝光源時，使得設置於 底板上之卡塊653插人基板之641之卡獅，並將基板641向卡塊653 之彎折部方向移動，以使得該扣合部656之凹陷面將基板641壓置於 底板651上。 明芩閱圖11、圖12及圖13，圖η係本創作液晶顯示裝置第六實 施方式之背光模組之立體示意圖，圖12係圖u所示背光模組另一角 度之立體示意圖，圖13係圖12 txm部份之放大示意圖。該背光模 組70與第一貫施方式之背光模組2〇結構類似，其區別在於：金屬背 板之底板751沖壓出複數凹槽752，該凹槽752包括四侧壁，在凹槽 (s 11 M323626 752兩知=壁上設置有貫穿槽，該凹槽752個數、大小、形狀_ 基板741個數、大小、形狀相匹配，該金屬背板在凹槽说中部之長 -邊邊緣處設置卡塊’該基板w _亥卡塊753設置卡槽如，^ 基板741長度大於凹槽752長度。組震光源時，稍稍彎曲該光源之其 -板7似，將基板741之兩端插入凹槽说之貫穿槽，將基板向下扣合土， 直至該卡塊753扣合於該卡槽7奶内，並藉由張力樓平基板％ 之收容於該凹槽752内，並緊貼金屬背板。 尤 惟，本創倾不祕上述實施方辆述，修實施方 每-列設置突起252之健可根據需要變更設計，並非一定為二 成二欄光源24，也可以是―、三等；為了更穩_固定光㈣，亦可 在光源24之基板241中部增加一螺絲鎖固。 綜上所述’本創作確已符合新型專利之要件，爱依法提出專利申 請。惟’以上所述者僅為本創作之較佳實施方式，本創作之範圍並不 以上述實施方式為限，舉凡熟習本案技藝之人士援依本創作之精神所 作之等效修飾或變化，皆應涵蓋独下巾請專 。 【圖式簡單說明】 圖1係一種先前技術液晶顯示裝置之立體分解圖。 圖2係本創作液晶顯示裝置第一實施方式之立體分解圖。 圖3係圖2中III部份之放大示意圖。 圖4係本創作液晶顯示裝衫二實施方式之背光模組之立體示意圖。 圖5係圖4中V部份之放大示意圖。 “ 圖6係本創作液晶顯示裝置第三實施方式之背光模組之立體示意圖。 圖7係本創作液晶顯示裝置第四實施方式之背光模組之立體示意圖。 圖8係圖7中VIII部份之放大示意圖。 〜 圖9係本創作液晶顯示裝置第五實施方式之背光模組之立體示意圖。 12 M323626 圖10係圖9中X部份之放大示意圖。 .圖11係本創作液晶顯示裝置第六實施方式之背光模組之立體示意圖 圖12係圖11所示背光模組另一角度之立體示意圖。 •圖13係圖12中ΧΙΠ部份之放大示意圖。 •【主要元件符號說明】 液晶顯不裝詈 - 擴散片 21 - 光源 24、34 籲第一^N曹 343 金屬背板 25、35 觀 250 第二卡塊 354 彎折部 654 扣合部 656 背光模組 •基板 底板 卡槽 卡塊 液晶面板 29 增光片 22 發光元件 242、342 第二卡槽 344 突起 252 第—^塊 353 卡合部 254 水平部 655 凹槽 752 20、30、40、50、60、70 241、341、441、541、641、741 251、351、451、551、651、751 443、543、743 453、553、653、753 13Ik with liquid crystal display 71^, the fine field is continuously reduced, especially the application of large-size liquid crystal display, such as LCD TV, etc., the light-emitting brightness requirement of the backlight module of the liquid crystal display is advanced, and it is necessary to use a plurality of light-emitting elements to improve the whole The brightness of the backlight module, the traditional side-lit backlight module can not meet the requirements of its light-emitting brightness, so the direct-lit backlight module becomes the mainstream of large-size liquid crystal display. Please refer to FIG. 1 for an exploded perspective view of a prior art liquid crystal display device. The liquid crystal display device 1 includes a liquid crystal panel 19 and a backlight #module 10 disposed adjacent to the liquid crystal panel 19. The backlight module 10 is a direct-type backlight module, which includes a metal back plate 15, a complex digital light source 14, a diffusing plate 11 and a brightness enhancing film 12. The plurality of light sources 14, a diffusing plate 11 and a light-increasing layer The sheets 12 are housed in the metal backing plate 15 in order from bottom to top. The light source 14 includes a substrate 141 and a plurality of light-emitting elements 142. The substrate 141 is a plurality of light-emitting elements 142 arranged in a row on the substrate 141. The substrate 141 is provided with a circuit, and the external power source is connected via a wire (not shown). The circuit on the substrate 141 illuminates the light-emitting element 142. The metal backing plate 15 includes a bottom plate 151 and a vertical extension M323626 from the edge of the bottom plate 151. The side surface 151 defines a receiving space. The metal backing plate 15 houses the plurality of light sources 14, the diffusing plate 11, and the brightness enhancing sheet 12 therein. When the light source I4 is assembled, the complex light source w is placed on the metal (5), and the substrate 141 of the complex light source 14 is horizontally arranged in parallel, and the two ends of the substrate 141 of each light source μ* are respectively locked to the bottom plate by a screw. On the 151, a more sturdy fixed light source 14' can also be locked with a screw in the middle of the substrate 141. Heart, . σ ’ 'Using this backlight module, group 10 'fixed system 14 need to use a large number of screws, the actual reduction is steadiness ‘ often makes the silk Μ group ride the unloading chest, extremely time-consuming and low efficiency. Moreover, the larger the size of the backlight module 1 is, the more the required light source 14 is, which is more complicated and inconvenient to assemble. In order to effectively derive the heat generated by the light source 14, the substrate 141 of the light source 14 is thinned to help heat conduction, but the thinner the substrate 141 is, the more the substrate ΐ4ι is more easily curved. Disengaged from the metal back plate 15, the effect of contact conduction heat dissipation is reduced. [New content] In view of the above, it is necessary to provide a backlight module that is easy to assemble. In addition, it is necessary to provide a liquid crystal display device of the above-mentioned backlight. • A backlight module comprising a plurality of light sources and a metal back plate. Each of the light sources includes a strip substrate and at least a light emitting element. The light emitting element is disposed on the substrate. The metal back-board includes a bottom plate on which a holding structure is disposed, the holding structure holds the substrate on the bottom plate by snap fit, and the substrate is attached to the bottom plate. - A backlight alone, which includes a plurality of wires and a metal back plate. Each of the light sources includes a strip substrate and at least a light emitting element. The stray light element is disposed on the substrate. The metal back plate comprises a bottom plate. The bottom plate is provided with a holding structure. The holding structure fixes the substrate to the bottom plate by the snap fit of the card block and the card slot, and the substrate is attached to the bottom plate. A liquid crystal display device comprising: a liquid crystal panel and a backlight module disposed adjacent to the liquid crystal panel of the M323626. The backlight module includes a subtractive light source and a metal.: a strip substrate and at least a light emitting component. The emitting component is disposed on the substrate. The== moon plate includes a bottom plate. The bottom plate is provided with a holding structure. The substrate is affixed to the wire by a snap fit, and the substrate is attached to the bottom plate. A liquid crystal display device comprising a liquid crystal panel and a backing disposed adjacent to the liquid crystal panel. The backlight module includes a plurality of light sources and a metal back plate. Each of the light sources includes a strip substrate and at least one light emitting element, and the light emitting element is disposed on the substrate. • The board includes a bottom plate. The bottom plate is provided with a domain structure. The holding structure fixes the substrate to the bottom plate by snapping the card block and the card slot, and the substrate is attached to the bottom plate. Compared with the prior art, the backlight module of the present invention and the metal back plate of the liquid crystal display device are further provided with a holding structure, and the light source is fixed by the snap-fit of the holding structure, which is convenient to assemble and can greatly reduce the use of the screw. It simplifies assembly and disassembly of light sources and reduces man-hours. [Embodiment] Referring to Fig. 2, a perspective exploded view of a first embodiment of a liquid crystal display device of the present invention is shown. The liquid crystal display device 2 includes a liquid crystal panel 29 and a backlight module 20 disposed adjacent to the liquid crystal panel 29. The backlight module 20 is a direct-type backlight module, which includes a metal back plate 25, a plurality of light sources 24, a diffusion plate 21, and a brightness enhancement sheet 22. The plurality of light sources 24, the diffusion plate 21, and the brightness enhancement sheet 22 are The upper portion is received in the metal back plate 25 in order. The mother-light source 24 includes a substrate 241 and a plurality of light-emitting elements 242. The substrate 241 is a strip-shaped plurality of light-emitting elements 242 disposed on the substrate 241. The substrate 241 is provided with a circuit, and the external power source is connected via a wire (not shown). And the circuit on the substrate 241 illuminates the light-emitting element 242, and the light emitted by the light-emitting element 242 is diffused by the diffusion sheet 21 and concentrated by the brightness enhancement sheet 22 for illuminating the liquid crystal panel 29, thereby improving the output light. The quality of the metal backing plate 25 includes a bottom plate 251 and a side wall 250 extending vertically from the edge of the bottom plate 251. The bottom plate 251 and the side wall 250 define a receiving space. The metal back plate 25 houses the plurality of light sources 24, the diffusion plate 21, and the brightness enhancement sheet 22 therein. A plurality of strip-shaped protrusions 252 are disposed on the bottom plate 251 of the gold backing plate 25. The plurality of protrusions 252 are horizontally-parallelly arranged, and two protrusions 252 are disposed in each column. Therefore, the plurality of protrusions 252 are arranged in two columns. The number and shape of the protrusions 252 are matched with the number and shape of the substrate 241 of the light source, and the upper surface of the protrusion 252 is an outwardly curved curved surface. - Please refer to Figure 3 together for an enlarged view of section III in Figure 2. The bottom plate 251 of the metal back plate 25 is provided with an engaging portion 254 having a receiving groove at two ends of the protrusion 252, and the distance between the engaging portions 254 at both ends is slightly smaller than the length of the substrate 241 of the light source 24. The design of the distance is matched with the curvature of the protrusion 252, that is, after the substrate 241 is inserted into the engaging portion 254, since the distance between the engaging portions 254 is slightly smaller than the distance of the substrate 241, the substrate 241 is caused to have a slight amount of bending. The curvature is matched to the curvature of the arcuate surface of the protrusion 252. When the light source 24 is assembled, the substrate 241 of the light source 24 is slightly bent, and both ends of the substrate 241 are respectively inserted into the receiving grooves of the engaging portion 254. Due to the resistance of the substrate 241 itself to bending, the two ends of the substrate 241 are provided. The tendency of the curved surface of the protrusion 252 of the bottom plate 251 to be close is matched and the design of the length of the substrate 241 is matched with the curvature of the protrusion 252, so that the substrate 241 is entirely attached to the curved surface of the protrusion 252, thereby fixing the light source 24 to the metal back plate. 25 bottom plate 251. When the light source 24 is removed, the light source 24 can be removed only by taking out the substrate 241 of the light source 24 from the receiving groove of the engaging portion 254. Compared with the prior art, the backlight module 20 fixes the light source 24 to the curved surface of the protrusion 252 of the metal back plate 25 by the engaging portion 254. The substrate 241 has a direction due to the bending resistance of the substrate 241 itself. The curved surface of the protrusion 252 of the bottom plate 251 tends to be close to each other, so that the degree of warpage of the substrate 241 after being thinned can be reduced, which is advantageous for heat dissipation. M323626, and this fixing method greatly reduces the use of the screw, thereby simplifying the assembly and disassembly of the light source 24 - the process, reducing the man-hour, and effectively improving the assembly and disassembly efficiency. 4 and FIG. 5, FIG. 4 is a perspective view of a backlight module according to a second embodiment of the present invention, and FIG. 5 is an enlarged schematic view of a portion V of FIG. The light source of the backlight module, the group 34, and the substrate 341 are respectively provided with a first slot 343. The first slot 343 is formed in a circular arc shape. The other end of the substrate 341 is provided with a first portion. The second card slot 344 'the second card slot 344 is square. The bottom of the metal back plate 35 of the backlight module 3 is a flat plate. The light source 34 is placed on the bottom plate 351. The bottom plate 351 and the substrate are called The first card slot 343 of the 341 is disposed correspondingly with the first card block 353, and the bottom plate 351 is disposed corresponding to the second card slot 344 of the substrate 341 to match the second card block 354'. The 354 is an L-shaped elastic piece punched out from the bottom plate 351, and includes a bent portion and a fastening portion. The bent portion is connected to the bottom plate 351, and the bending direction of the second block 354 is away from the first The block 353, and the angle formed by the fastening portion and the bent portion is less than 90 degrees. When the light source 34 is assembled, the second block 354 of the substrate 341 is first placed in the second card slot 344, and the substrate 341 is pushed to the first a < ^ block 353 moves, such that the substrate 341 has a first slot 343 - the end is located above the first block 353, and The substrate 341 is snap-fitted until the first block 353 is fastened in the first slot 343, and the substrate can be flattened to the bottom plate 351 of the metal back plate 35 by tensioning the substrate 341. The light source 34' is fixed to the bottom plate 351 of the metal back plate 35. Please refer to FIG. 6 , which is a perspective view of the backlight module of the third embodiment of the present invention. The backlight module 40 and the backlight of the second embodiment The module 3 is similar in structure, and the difference is that a slot 443 is disposed at the long edge of the two ends of the substrate 441, and the card slots 443 at the two ends are respectively located at the two sides of the substrate 441, and the bottom plate 451 A card block 453 is disposed at a position corresponding to the card slot 443. The card block 453 is an L-shaped elastic piece punched out from the bottom plate 451. The card block 453 includes a bent portion and a fastening portion. The bent portion M323626 2 The bottom plate 451 is connected, the declination angle formed by the fastening portion and the bending portion is less than the degree, and the two ft blades are bent toward the other side. When assembling the light source, the substrate 441 is first tilted in the direction of the block 453; On the bottom plate sister, the substrate is torn in parallel, so that the card at both ends of the plate 44 The groove is fastened to the block milk of the bottom plate 451. Soil 7 and Fig. 8 ' Fig. 7 is a perspective view of the second embodiment of the liquid crystal display device of the present invention, and Fig. 8 is an enlarged schematic view of a portion VIII of Fig. 7. A square card slot % is disposed in each of the two ends of the substrate 541 of the backlight board and the light source of the light source 551. The bottom plate 551 and the card slot 543 are respectively provided with a card block 553 corresponding to the position of the card slot 543. The elastic piece punched out by the 551 itself is at an angle with the bottom plate 551, and the opening of the elastic piece at both ends is opposite. When the light source is assembled, the substrate 541 is slightly bent, so that the block 553 provided on the bottom plate 551 is inserted and fastened in the card slot 543. 4, FIG. 9 and FIG. 1 are a perspective view showing a fifth embodiment of the liquid crystal display device of the present invention as a photon group, and FIG. 1G is an enlarged schematic view of a portion of FIG. The backlight module 60 is similar in structure to the backlight module 50 of the fourth embodiment, and the difference is that the card block 653 includes a bent portion 654, a horizontal portion 655 and a fastening portion 6 that are sequentially connected, and the bent portion 654 The bottom plate 651 is connected to the bottom plate 651. The fastening portion 656 has a downwardly concave curved surface, and the blocks 653 at both ends of the bottom plate 651 are bent in the same direction. When the light source is assembled, the card 653 disposed on the bottom plate is inserted into the card 641 of the base plate 641, and the substrate 641 is moved toward the bent portion of the block 653 so that the recessed surface of the engaging portion 656 passes the substrate 641. Pressed on the bottom plate 651. FIG. 11 is a perspective view of a backlight module according to a sixth embodiment of the present invention, and FIG. 12 is a perspective view showing another angle of the backlight module shown in FIG. Figure 13 is an enlarged view of the txm portion of Figure 12. The backlight module 70 is similar in structure to the backlight module 2〇 of the first embodiment. The difference is that the bottom plate 751 of the metal back plate is stamped with a plurality of grooves 752, and the groove 752 includes four sidewalls in the groove ( s 11 M323626 752 知知=The wall is provided with a through-groove, the number 752 of the groove, the size, the shape _ the number, size and shape of the substrate 741 are matched, and the metal back plate is at the long-edge edge of the middle of the groove The card block is set to 'the substrate w _ hai block 753 is provided with a card slot, for example, ^ the length of the substrate 741 is greater than the length of the groove 752. When the light source is assembled, the light source is slightly bent like the plate 7, and the two ends of the substrate 741 are Inserting the groove into the through groove, the substrate is buckled down to the soil until the block 753 is fastened in the card slot 7 and is received in the groove 752 by the tension flat substrate%, and tightly The metal backing plate is attached. In particular, the above-mentioned implementations are not described in the above-mentioned embodiments. The health of each side of the setting protrusion 252 can be changed according to the needs, and it is not necessarily a 22-column light source 24, or Third, in order to be more stable _ fixed light (four), can also add a snail in the middle of the substrate 241 of the light source 24 In summary, 'this creation has indeed met the requirements of the new patent, and loves to file a patent application according to law. However, the above is only the preferred implementation of this creation. The scope of this creation is not in the above embodiment. To the extent that the equivalent modifications or changes made by those who are familiar with the skill of the present invention should be covered by the spirit of this creation, please cover the exclusive towel. [Simplified Schematic] Figure 1 is a three-dimensional decomposition of a prior art liquid crystal display device. Fig. 2 is an exploded perspective view of the first embodiment of the liquid crystal display device of the present invention. Fig. 3 is an enlarged schematic view of a portion III of Fig. 2. Fig. 4 is a perspective view of a backlight module of the second embodiment of the present invention. Figure 5 is a schematic enlarged view of a portion V of the liquid crystal display device of the present invention. Figure 7 is a perspective view of a backlight module of the third embodiment of the present invention. Figure 8 is an enlarged schematic view of a portion VIII of Figure 7. Figure 9 is a perspective view of a backlight module of a fifth embodiment of the present liquid crystal display device. 2 M323626 FIG. 10 is an enlarged schematic view of the X portion of FIG. 9. FIG. 11 is a perspective view of the backlight module of the sixth embodiment of the present invention, FIG. 12 is a perspective view of the backlight module of FIG. Fig. 13 is an enlarged schematic view of the ΧΙΠ part of Fig. 12. • [Main component symbol description] Liquid crystal display is not mounted - Diffusion sheet 21 - Light source 24, 34 Calls first ^N Ca 343 Metal back plate 25, 35 Viewing 250 second block 354 bending part 654 fastening part 656 backlight module • substrate bottom board card slot card liquid crystal panel 29 brightness enhancement element 22 light-emitting element 242, 342 second card slot 344 protrusion 252 first - block 353 engagement Section 254 horizontal portion 655 grooves 752 20, 30, 40, 50, 60, 70 241, 341, 441, 541, 641, 741 251, 351, 451, 551, 651, 751 443, 543, 743 453, 553, 653, 753 13