201017260 · 九、發明說明： 【發明所屬之技術領域】 本發明係關於一種液晶顯示裝置。 .【先前技術】 液晶顯示裝置作為一種平面顯示裝置，因其具有亮度高、重量 輕及耗電少等優點’而被廣泛應用於各種家用電器及辦公設備中。 請參閱圖1，其係一種先前技術液晶顯示裝置之立體分解示意 ❹圖。該液晶顯示裝置10包括一顯示本體11、一用於支撑該顯示本體 11之支撐組件12及四螺絲13。該顯示本體[包括四固定片μ、一 則框15、一液晶顯示模組16及一後蓋π。該前框15與該後蓋17 相互配合收容固定該液晶顯示模組16及該固定片14。該支樓組件 12包括一底座121、一支撐架122及一固定盤123。該支撐架122連 接於該底座121與該固定盤123之間。該固定盤123表面設置有四 通孔124，該四通孔124呈矩形排佈並分別為圓形通孔。該四螺絲 ❹13分別與該四通孔124相對應。 該後蓋17包括四通孔171及八熱熔柱m。每二熱熔柱π與 -通孔171作為-組，分佈於該後蓋17中部一矩形區域之四個角 落。該四通孔171為圓形通孔，其分別與該固定盤123表面之通孔 124相對應。該熱溶柱172從該後蓋17朝該前框15之一侧垂直延伸 出來，且該二熱触m沿該通孔m之一直徑方向對稱分佈。該 後蓋17為塑膠材質。 μ 該固定片14為一方形金屬薄片，其上設置有貫穿該固定片μ 201017260 之二熱熔孔141及一螺孔142。該二熱熔孔141與該螺孔142分別與 同一組之二熱熔柱172及一通孔171相對應。 清參閱圖2’其係圖1所示固定片14與後蓋17組裝後之局部放 .大示意圖。該固定片14藉由該熱熔孔141套設於該熱熔柱172而組 裝至該後蓋17’並藉由熱溶製程將該熱溶柱172露出該固定片14之 部份加熱至軟化狀態’然後朝該固定片14之方向擠壓該熱溶柱172’ 使其塑膠材質覆蓋該固定片14之熱熔孔141，進而使得該固定片14 ©固定於該後蓋17。此時，該固定片14之螺孔142與該後蓋17之通 孔171相對齊。 請參閱圖3，其係圖1所示液晶顯示裝置10組裝後另一視角之 立體示意圖。完成該固定片14之組裝後，對該顯示本體11之其他 元件進行組袭，其步驟包括：首先，將該液晶顯示模組16收容固定 於該前框15中，然後，將該後蓋17與該前框15進行卡扣固定。當 該顯示本體11之所有元件組裝完畢之後，對該支撐組件12與該顯 ®不本體11進行固定’其步驟包括：首先，將該支撐組件12之固定 盤123表面之四通孔124分別與該顯示本體11之後蓋17之四通孔 171對準’然後將該四螺絲13分別對應穿過該固定盤123之通孔124 及該後蓋17之通孔171，並最後旋入該固定片上之螺孔142中。 至此，該液晶顯示裝置1〇組裝完畢。 惟’組裝該液晶顯示裝置10時，需要採用熱熔製程將該固定片 14固定於該後蓋17，這樣則需要額外利用熱熔機等設備進行操作， 同時也增加了該液晶顯示裝置10之組裝工序，使得該液晶顯示裝置 7 201017260 10之製造成本提高。另外，熱溶製程本身較為複雜，需要進行嚴格 之壓力及溫度參數㈣，而在實際操作過財，因人貞操作不當等 -各種原因容#料參數控制不當，從*導致翻定y 14無法的 固定於該後蓋17或者導致該固定片14不能固定於該後蓋17，進而 降低該液晶顯示裝置10之可靠度及良率。 【發明内容】 有鑑於此’提供-種製造成本較低、可靠度較高及良率較高之液晶 顯示裝置實為必要。 -液晶顯示裝置，其包括-顯示本體及—支雜件。該顯示本體 包括-液晶顯示模組、至少-固定片及—收容該液晶顯示模組與該固 定片之外殼。該外殼包括至少-鎖固單元。該顯示本體與該支撐組件 藉由該鎖固單元與該固定片配合固定。 相較於先前技術，本發明液晶顯示裝置之外殼包括該鎖固單元。 該顯示本體與該支樓組件藉由該鎖固單元與該固定片配合固定。組裝 該固定片時，僅需將該固定片直接擠壓至該鎖固單元中即可實現固定 該固定片，其操作簡單。因此_如上所述固定該固以之方法，叙 需額外_熱_等設備進行操作，同時也減少了該液晶顯示裝置: 組裝工序，進而使得該液晶顯示裝置之製造成本降低。另夕卜，採 上所述H1定翻以之方法無需觀之絲餘，因此麟該液晶顯 示裝置之可靠度及良率提高。 【實施方式】 請參閱圖4’其係本發明液晶顯示寰置第一實施方式之立體分解 示意圖。該液晶顯示裝置20包括-顯示本體21、一支撐組件22與 201017260 四螺絲23。該支撐組件22藉由該四螺絲23與該顯示本體21相互固 定，其用於支撐該顯示本體21。 該顯示本體21包括四固定片24、一外殼25及一液晶顯示模組 26。該外设25包括一前框28及一後蓋27。該前框28與該後蓋27 相互配合以收容固定該四固定片24及該液晶顯示模組26。 該支撐組件22包括一底座221、一支撐架222及一固定盤223。 該支撐架222之一端與該底座221連接並固定，其另一端與該固定 ©盤223連接並固定。該固定盤223還用於與該後蓋27連接並固定， 其表面設置有四通孔224,該四通孔224呈矩形排佈並分別為圓形通 孔。該通孔224之直徑大小相等。 該後蓋27包括依次垂直連接之四侧壁271、一凸出部、四 過渡部份273及四鎖固單元跡該過渡部份273連接於該侧壁271 與該凸出272之間。該鎖固單元28〇分佈於該後蓋27中部一矩形 區域之四個角落，其包括二彈片274、四擔塊275及一通孔276。該 ❿通孔276為圓形通孔，其分別與該固定盤223之通孔224相對應。 該二彈片274沿該通孔276之一直徑方向對稱分佈。該撞塊仍為 相同大小之長方體。該後蓋27為塑膠材質。 請參關5,其係圖4所示液晶顯示裝置2()之後蓋Μ雜 广意圖。該鎖固單元，之二彈片274從該凸出部π之内知 2框28 -侧垂直延姆，其分別呈_ m型。剛2㈣ :2及-彈性部278。該主體277從該凸出物直接延射 ，、形成一拱形。該彈性部278包括—彈性條形結構281及一彈 9 201017260 =7娜_形結構281朝另一彈片274爾曲突出，其自該 ,之頂端中糊該後蓋27 一側延伸出來，將該主體277形成 =拱形分#丨為二對稱之_，且該雜條形結構篇之末端與該後 蓋7之間域間隙(未標示)而並不與該後蓋π直接接觸，即，該 彈陳條形、”構281形成—懸錄構。該彈塊μ形成於該彈性條形 /末端其朝另一彈片274方向弯曲突出，從而該彈性部 278形成彈性卡勾結構。在每一彈片274外侧形成與其主體π垂 ❾直相連之該二擋塊275，其相互平行設置並朝另一相對彈片274延 伸。位於該兩兩相對設置之二彈片2?4同一侧之二抵擔塊奶之間 留有間隙’從而該彈片274與該擋塊275配合形成一具有間隙之收 容空間(未標示）。該彈片274與該擒塊2乃形成之收容空間之形狀與 該固疋片24之形狀大致相同，其用於收容固定該固定片％。 清參閱圖6，其係圖4所示液晶顯示裝置2〇之固^片24之立體 結構示意圖。該固定片24包括一本體241及一凸出部242。該本體241 ❹為-扁平金屬薄片。該凸出部242從該本體撕之中部垂直延伸形成， 且該凸出部242為-中空之圓柱體，其内壁形成有螺紋，從而一螺孔 243形成於該凸出部242。該螺孔243之直徑大小與該鎖固單元280 之通孔276及該固定盤223之通孔224之直徑大小相等。 請參閱圖7，其係圖4所示液晶顯示裝置20組裝後之局部立體 放大示意圖。組裝該固定片24時，首先，將該固定片24置於該相 對設置之二彈片274之間，然後將該固定片24朝該後蓋27擠壓。 當該固定片24與該彈塊279相接觸時，因該彈性部278係一懸空結 201017260 構’其文到擠壓時會向外側彈開，使得該固定片24收容於該彈片274 ” /擋鬼275形成之收容空間。當不受擠壓時，則該彈性部a%又 彈回原來位置’從而’該固定片24收容於該彈片274與該擋塊275 ’形成之收容空間，且該彈片274之彈塊，抵接該固定片％之上表 面’從而於垂直該固定片24之方向起到固定作用。該擋塊275沿該 固定片24之水平方向失持該固定片24。該主體277沿既垂直該固定 片24之水平方向又垂直該彈塊279祕該固定片24之方向炎持該 〇固定片24。此時，該固定片24之螺孔243與該後蓋27之通孔276 相對齊。 °月參閱圖8，其係圖4所示液晶顯示裝置2〇組裝後另一視角之 立體示意圖。完成該固定片24之組裝後，對該顯示本體21之其他 -牛進行纟a裝其步驟包括··首先，將該液晶顯示模組26收容固定 ;i前忙28中。然後，將該後蓋27與該前框28進行卡扣固定。當 該顯不本體21顿有元件組裝完畢讀，賴捕組件22與麵 〇示本體21進行固定，其步驟包括：首先，將該支撑組件Μ之固定 盤223之四通孔224分別與該顯示本體21之後蓋27之四通孔276 對準然後將該四螺絲23分別穿過已經對準之該固定盤223的通孔 224及該後蓋27的通孔276,並最後旋入該固定片24之螺孔243中。 至此，該液晶顯示裝置2〇組裝完畢。 相較於先前技術，本發明液晶顯示裝置20之後蓋27包括鎖固單 疋28〇。該鎖固單元280包括二彈片274、四擒塊275及-通孔276， 其中’該彈片274、該擋塊275與該後蓋27構成-具有間隙之收容空 11 201017260 間。將該固定片24固定至該後蓋27，僅需把該固定片24直接擠壓至 該顧單元280與該後蓋27形成之收容空間中，即可使得該固定片 24牢_ SJ定於該後蓋27，其操作簡單。因此，採用如上所述固定該 固定片24之方法，無需額外利用熱溶機#設備進行操作，同時也減少 該液晶顯示裝置2〇之組裝工序，進而使得該液晶顯示裝置2〇之製造 成本降低。另外，採用如上所述固魏岐片24之方法因無需複雜之 熱熔製程，因此使得該液晶顯示裝置2〇之可靠度及良率提高。 © π-併參關9及圖1G，圖9係本發明液晶顯示|置第二實施方 式後蓋之局部立體放大示意圖，圖1〇係本發明液晶顯示裝置第二實施 方式之固以之立體結構示意圖^該液晶顯示裝置與第一實施方式之 液晶顯示裝置20 S要區別在於：該第二實施方式之液晶顯示裝置之後 蓋37之鎖固單元380包括二彈片374及一通孔〗％。 該固定片34進一步包括二凸耳343’其分別從該本體341相對兩 侧之中部水平延伸出來，且其厚度保持與該本體341厚度一致。 〇 明參閱圖11 ’其係圖犯所示SI定片34與圖9所示後蓋37組裝 後之立體示意圖。組裝該固定片34時，首先，將該固定片34置於該 相對設置之二彈片374之間’織將該峡片34朝該後蓋37擠壓。 當該固定片34之凸耳343與該彈片3?4之彈性部π8接觸時，因該彈 性部378係-懸空結構，其受到擠壓時會向外侧彈開，使得該固定片 34之凸耳343被壓入至該彈片374與該後蓋37之間的間隙中並與該 主體377相卡合。當不受擠壓時，則該彈性部378又彈回原來位置， 且該彈片374抵接該固定片34之上表面，從而於垂直該固定片弘之 12 201017260 方=起到固定作用。該凸耳343與該主體377相卡合，從而實現沿該 固疋片34之水平方向固定該固定片34。該二相對彈片3%之主體gw -夾持固定該固定片34之本體341，從而於既垂直該固定片％之水平 .方向又垂直該彈片374抵接該固定片34之方向固定該固定片弘。此 時，該固定片34之螺孔344與該後蓋37之通孔376相對齊。 與第一實施方式之液晶顯示裝置2〇相比較，該第二實施方式之液 晶顯示裝置藉由增加該凸耳343即能實現牢固的固定該固定片％到該 ❹後蓋37。g此’該第二實施方式之液晶顯示裝置之結構鮮，且進一 步簡化製造製程。 請同時參_ 12及圖13,其帽12縣發雜晶顯轉置第三實 施方式後蓋之局部立體放大示意圖，圖13係本發明液晶顯示裝置第三 實施方式組裝後之局部立體放大示意圖。該液晶顯示裝置與第二實施 方式之液締示裝置主要區別在於··該第三實施方式之液晶顯示裝置 之彈片474之彈性部478為一彈性條形結構。 ❿該固定片44之組裝方式與該固定片24、34之組裝方式相同。該 彈片474之彈性部478與該後蓋47 —起將該凸耳祕夹持固定，且該 二相對彈片474之主體477夾持固定該固定片44之本體441。此時， 該固疋片44之螺孔444與該後蓋47之通孔476相對齊。 與第-實施方式之液晶顯示裝置2〇及第二實施方式之液晶顯示 裝置相比較，該第三實施方式之液晶顯示襄置之彈片Μ之彈性部478 為一彈性條形結構，因此，組裝賴^ 44時，其凸耳434更容易被 麗入到該彈片474與該後蓋47之間的間隙中，而且，該第三實施方式 13 201017260 之液晶顯示裝置之結構更加簡單、可靠度更高。 惟，前述顯示裝置並不限於上述實施方式所述，其也可具有其他 變更設計。例如，如該鎖固單元280之擔塊275也可以與該彈片274 之主體277不連接’而與該主體277之外侧相對應。該鎖固單元280 也可以僅包括二擋塊275 ’即將位於該兩兩相對設置之二彈片274同 一侧之二抵檔塊275合併為一抵擋塊。該鎖固單元280也可以包括三 彈片、四彈片或數量更多之彈片，除相對設置之二彈片外，其餘之彈 〇片可與該相對之二彈片同側設置，也可與該擋塊275同侧設置。該後 蓋27也可以包括一鎖固單元、二鎖固單元、三鎖固單元、五鎖固單元 或數量更多之鎖固單元。 同樣，上面所述之變更設計也同樣適用第二實施方式與第三實施 方式之液晶顯示裝置。 综上所述，本發明確已符合發明之要件，爰依法提出專利申請。 惟，以上所述者僅為本發明之較佳實施方式，本發明之範圍並不以上 ❹述實施方式為限，舉凡熟悉本案技藝之人士援依本發明之精神所作之 等效修飾或變化，皆應涵蓋於以下申請專利範圍内。 【圖示簡單說明】 圖1係一種先前技術液晶顯示裝置之立體分解示意圖。 圖2係圖1所示固定片與後蓋組裝後之局部放大示意圖。 圖3係圖1所示液晶顯示裝置組裳後另一視角之立體示意圖。 圖4係本發明液晶顯示裝置第一實施方式之立體分解示意圖。 圖5係圖4所示液晶顯示裝置之後蓋之局部放大示意圖。 201017260 圖6係圖4所示液晶顯示裝置之固定片之立體結構示意圖。 圖7係圖4所示液晶顯示裝置組裝後之局部立體放大示意圖。 ' 圖8係圖4所示液晶顯示裝置組裝後另一視角之立體示意圖。 ' 圖9係本發明液晶顯示裝置第二實施方式後蓋之局部立體放大示 意圖。 圖10係本發明液晶顯示裝置第二實施方式之固定片之立體結構 不意圖。 © 圖11係圖10所示固定片與圖9所示後蓋組裝後之立體示意圖。 圖12係本發明液晶顯不裝置第二實施方式後盘之局部立體放大 不意圖。 圖13係本發明液晶顯示裝置第三實施方式組裝後之局部立體放 大示意圖。 〇 【主要元件符號說明】 液晶顯示裝置 20 顯示本體 21 支撐組件 22 螺絲 23 固定片 24、34、44 外殼 25 液晶顯示模組 26 前框 28 後蓋 27、37、47 底座 221 支撐架 222 固定盤 223 通孔 224、276、376、476 侧壁 271 15 201017260 凸出部 272、242 過渡部份 273 鎖固單元 280、380 彈片 274、374、474 擋塊 275 主體 277、377、477 彈性部 278、378、478 彈性條形結構 281 彈塊 279、379 本體 241、341 螺孔 243、344、444 凸耳 343、443 ❹ ❿ 16201017260 · IX. DESCRIPTION OF THE INVENTION: TECHNICAL FIELD The present invention relates to a liquid crystal display device. [Prior Art] As a flat display device, a liquid crystal display device is widely used in various home appliances and office equipment because of its advantages of high brightness, light weight, and low power consumption. Please refer to FIG. 1, which is a perspective exploded view of a prior art liquid crystal display device. The liquid crystal display device 10 includes a display body 11, a support assembly 12 for supporting the display body 11, and four screws 13. The display body [includes four fixing pieces μ, a frame 15, a liquid crystal display module 16 and a rear cover π. The front frame 15 and the rear cover 17 cooperate with each other to receive and fix the liquid crystal display module 16 and the fixing piece 14. The branch assembly 12 includes a base 121, a support frame 122 and a fixed plate 123. The support frame 122 is connected between the base 121 and the fixed plate 123. The surface of the fixing plate 123 is provided with four through holes 124 which are arranged in a rectangular shape and are respectively circular through holes. The four screw turns 13 correspond to the four through holes 124, respectively. The back cover 17 includes four through holes 171 and eight heat fusion columns m. Each of the two hot-melt columns π and - through holes 171 are grouped as four groups, and are distributed at four corners of a rectangular area in the middle of the rear cover 17. The four through holes 171 are circular through holes corresponding to the through holes 124 of the surface of the fixed disk 123, respectively. The hot-melt column 172 extends perpendicularly from the back cover 17 toward one side of the front frame 15, and the two thermal contacts m are symmetrically distributed along a diameter direction of one of the through holes m. The back cover 17 is made of a plastic material. μ The fixing piece 14 is a square metal foil on which two hot melt holes 141 and a screw hole 142 are formed through the fixing piece μ 201017260. The two hot melt holes 141 and the screw holes 142 respectively correspond to the same group of the two heat fusion columns 172 and one through hole 171. 2A is a partial schematic view showing the assembly of the fixing piece 14 and the back cover 17 shown in FIG. The fixing piece 14 is assembled to the back cover 17' by the hot melt hole 141, and is heated to soften by exposing the hot-melt column 172 to the fixing piece 14 by a hot melt process. The state 'and then presses the hot-melt column 172' toward the fixing piece 14 so that the plastic material covers the hot-melt hole 141 of the fixing piece 14, so that the fixing piece 14 is fixed to the rear cover 17. At this time, the screw hole 142 of the fixing piece 14 is aligned with the through hole 171 of the rear cover 17. Please refer to FIG. 3, which is a perspective view of another perspective view of the liquid crystal display device 10 shown in FIG. After the assembly of the fixing piece 14 is completed, the other components of the display body 11 are struck. The steps include: firstly, the liquid crystal display module 16 is received and fixed in the front frame 15, and then the back cover 17 is mounted. The front frame 15 is buckled and fixed. After the components of the display body 11 are assembled, the support assembly 12 and the display body 11 are fixed. The steps include: firstly, the four through holes 124 of the surface of the fixing plate 123 of the support assembly 12 are respectively After the display body 11 is aligned with the four through holes 171 of the cover 17, the four screws 13 are respectively passed through the through holes 124 of the fixing plate 123 and the through holes 171 of the rear cover 17, and finally screwed onto the fixing piece. In the screw hole 142. So far, the liquid crystal display device 1 is assembled. However, when the liquid crystal display device 10 is assembled, it is necessary to fix the fixing piece 14 to the rear cover 17 by a hot melt process, so that it is necessary to additionally operate using a device such as a hot melt machine, and the liquid crystal display device 10 is also added. The assembly process increases the manufacturing cost of the liquid crystal display device 7 201017260 10 . In addition, the hot-melt process itself is more complicated, and it requires strict pressure and temperature parameters (4), but in actual operation, due to improper operation of people, etc. - various reasons for improper control of material parameters, resulting in y 14 The fixing of the rear cover 17 or the fixing of the fixing piece 14 cannot be fixed to the rear cover 17, thereby reducing the reliability and the yield of the liquid crystal display device 10. SUMMARY OF THE INVENTION In view of the above, it is necessary to provide a liquid crystal display device which is low in manufacturing cost, high in reliability, and high in yield. a liquid crystal display device comprising - a display body and a dummy member. The display body includes a liquid crystal display module, at least a fixing piece, and an outer casing for housing the liquid crystal display module and the fixing piece. The housing includes at least a locking unit. The display body and the support assembly are fixedly coupled to the fixing piece by the locking unit. Compared with the prior art, the outer casing of the liquid crystal display device of the present invention includes the locking unit. The display body and the branch assembly are fixedly coupled to the fixing piece by the locking unit. When the fixing piece is assembled, the fixing piece can be fixed by directly pressing the fixing piece into the locking unit, and the operation is simple. Therefore, the method of fixing the solid solution as described above requires an additional device such as an operation to reduce the liquid crystal display device: the assembly process, which further reduces the manufacturing cost of the liquid crystal display device. In addition, the method of adopting the H1 flipping method does not require any observation, so the reliability and yield of the liquid crystal display device are improved. [Embodiment] Please refer to Fig. 4', which is a perspective exploded view of a first embodiment of a liquid crystal display device of the present invention. The liquid crystal display device 20 includes a display body 21, a support assembly 22 and 201017260 four screws 23. The support assembly 22 is fixed to the display body 21 by the four screws 23 for supporting the display body 21. The display body 21 includes four fixing pieces 24, a casing 25 and a liquid crystal display module 26. The peripheral device 25 includes a front frame 28 and a rear cover 27. The front frame 28 and the rear cover 27 cooperate to receive and fix the four fixing pieces 24 and the liquid crystal display module 26 . The support assembly 22 includes a base 221 , a support frame 222 , and a fixed disk 223 . One end of the support frame 222 is connected and fixed to the base 221, and the other end of the support frame 222 is connected and fixed to the fixed © disk 223. The fixing plate 223 is also used for connecting and fixing the rear cover 27, and the surface thereof is provided with four through holes 224 which are arranged in a rectangular shape and are respectively circular through holes. The through holes 224 are equal in diameter. The rear cover 27 includes four side walls 271 which are vertically connected in series, a protruding portion, four transition portions 273 and four locking unit tracks. The transition portion 273 is connected between the side wall 271 and the protruding portion 272. The locking unit 28 is distributed at four corners of a rectangular area in the middle of the rear cover 27, and includes two elastic pieces 274, four weight blocks 275 and a through hole 276. The through hole 276 is a circular through hole corresponding to the through hole 224 of the fixed disk 223, respectively. The two elastic pieces 274 are symmetrically distributed along a diameter direction of one of the through holes 276. The bump is still a rectangular parallelepiped of the same size. The back cover 27 is made of a plastic material. Please refer to Fig. 5, which is followed by a liquid crystal display device 2 (shown in Fig. 4). The locking unit, the two elastic pieces 274 are perpendicular to the side of the protruding portion π, which are respectively _ m type. Just 2 (four): 2 and - elastic portion 278. The body 277 directly extends from the protrusion to form an arch shape. The elastic portion 278 includes an elastic strip structure 281 and a spring 9 201017260 = 7 Na-shaped structure 281 protruding toward the other elastic piece 274, from which the top end of the paste extends from the side of the back cover 27, The main body 277 is formed such that the arch is divided into two, and the gap between the end of the stray structure and the back cover 7 (not shown) is not in direct contact with the back cover π, that is, The elastic strip is formed in the elastic strip/end and is bent toward the other elastic piece 274, so that the elastic portion 278 forms an elastic hook structure. The outer side of each of the elastic pieces 274 forms a second stop 275 which is perpendicularly connected with the main body π, and is disposed parallel to each other and extends toward the other opposite elastic piece 274. The two sides of the two elastic plates 2? A gap is left between the pieces of milk, so that the elastic piece 274 cooperates with the block 275 to form a receiving space (not shown) having a gap. The shape of the receiving space formed by the elastic piece 274 and the block 2 is fixed to the solid space. The shape of the sheet 24 is substantially the same, and it is used for accommodating and fixing the fixing piece %. 6 is a perspective view of a solid structure of the liquid crystal display device 2 shown in FIG. 4. The fixing piece 24 includes a body 241 and a protrusion 242. The body 241 is a flat metal foil. The protruding portion 242 is formed vertically from the middle portion of the body tearing portion, and the protruding portion 242 is a hollow cylindrical body, and the inner wall thereof is formed with a thread, so that a screw hole 243 is formed in the protruding portion 242. The diameter of the 243 is equal to the diameter of the through hole 276 of the locking unit 280 and the through hole 224 of the fixing plate 223. Please refer to FIG. 7 , which is a partially enlarged schematic view of the liquid crystal display device 20 shown in FIG. 4 after assembly. When the fixing piece 24 is assembled, first, the fixing piece 24 is placed between the oppositely disposed two elastic pieces 274, and then the fixing piece 24 is pressed toward the rear cover 27. When the fixing piece 24 and the elastic piece When the 279 is in contact with each other, the elastic portion 278 is a hanging knot 201017260. When it is pressed, it will be bounced outward, so that the fixing piece 24 is accommodated in the receiving space formed by the elastic piece 274 ”. When it is not pressed, the elastic portion a% rebounds back to the original position 'so that the fixing piece 24 is received in the receiving space formed by the elastic piece 274 and the stopper 275', and the elastic piece of the elastic piece 274 is offset. The upper surface of the fixing piece is attached to the surface of the fixing piece 24 so as to be fixed in the direction perpendicular to the fixing piece 24. The stopper 275 loses the fixing piece 24 in the horizontal direction of the fixing piece 24. The body 277 holds the 〇 fixing piece 24 in a direction perpendicular to the horizontal direction of the fixing piece 24 and perpendicular to the direction of the fixing piece 24 of the elastic piece 279. At this time, the screw hole 243 of the fixing piece 24 is aligned with the through hole 276 of the rear cover 27. Referring to Fig. 8, Fig. 8 is a perspective view showing another perspective of the liquid crystal display device 2 shown in Fig. 4. After the assembly of the fixing piece 24 is completed, the other steps of the display body 21 are carried out. The steps of the mounting of the fixing body 24 include: First, the liquid crystal display module 26 is housed and fixed; i is busy 28 times. Then, the rear cover 27 and the front frame 28 are snap-fastened. When the display unit 21 is assembled and read, the finder assembly 22 is fixed to the surface display body 21, and the steps include: first, respectively, the four through holes 224 of the fixing plate 223 of the support assembly are respectively displayed with the display After the body 21 is aligned with the four through holes 276 of the cover 27, the four screws 23 are respectively passed through the through holes 224 of the fixed disk 223 and the through holes 276 of the rear cover 27, and finally screwed into the fixing piece. 24 screw holes 243. So far, the liquid crystal display device 2 is assembled. Compared to the prior art, the liquid crystal display device 20 of the present invention has a cover 27 including a locking unit 28A. The locking unit 280 includes two elastic pieces 274, four blocks 275 and a through hole 276, wherein the elastic piece 274, the stopper 275 and the rear cover 27 constitute a space between the receiving space 11 201017260. The fixing piece 24 is fixed to the rear cover 27, and the fixing piece 24 is directly pressed into the receiving space formed by the unit 280 and the rear cover 27, so that the fixing piece 24 is fixed. The rear cover 27 is simple in operation. Therefore, by the method of fixing the fixing piece 24 as described above, it is not necessary to additionally operate with the hot melt machine #, and the assembly process of the liquid crystal display device 2 is also reduced, thereby reducing the manufacturing cost of the liquid crystal display device 2 . Further, since the method of using the solid wafer 24 as described above does not require a complicated hot melt process, the reliability and yield of the liquid crystal display device 2 are improved. © π-Parameter 9 and FIG. 1G, FIG. 9 is a partial perspective enlarged view of the liquid crystal display of the second embodiment of the present invention, and FIG. 1 is a perspective view of the second embodiment of the liquid crystal display device of the present invention. The liquid crystal display device is different from the liquid crystal display device 20 S of the first embodiment in that the locking unit 380 of the rear cover 37 of the liquid crystal display device of the second embodiment comprises two elastic pieces 374 and a through hole 〖%. The fixing piece 34 further includes two lugs 343' which extend horizontally from the middle of the opposite sides of the body 341, respectively, and whose thickness is kept consistent with the thickness of the body 341. BRIEF DESCRIPTION OF THE DRAWINGS Referring to Fig. 11 is a perspective view showing the assembly of the SI stator 34 shown in Fig. 9 and the rear cover 37 shown in Fig. 9. When the fixing piece 34 is assembled, first, the fixing piece 34 is placed between the oppositely disposed two elastic pieces 374, and the girth piece 34 is pressed toward the rear cover 37. When the lug 343 of the fixing piece 34 is in contact with the elastic portion π8 of the elastic piece 3?4, since the elastic portion 378 is a suspended structure, it is bounced outward when pressed, so that the fixing piece 34 is convex. The ear 343 is pressed into the gap between the elastic piece 374 and the rear cover 37 and engaged with the main body 377. When it is not pressed, the elastic portion 378 rebounds to the original position again, and the elastic piece 374 abuts against the upper surface of the fixing piece 34, so as to be perpendicular to the fixing piece. The lug 343 is engaged with the main body 377 to fix the fixing piece 34 in the horizontal direction of the fixing piece 34. The main body 341 of the fixing piece 34 is clamped and fixed with respect to the main body gw of the elastic piece 3%, so as to fix the fixing piece in a direction perpendicular to the horizontal direction of the fixing piece and perpendicular to the direction in which the elastic piece 374 abuts the fixing piece 34. Hong. At this time, the screw hole 344 of the fixing piece 34 is aligned with the through hole 376 of the rear cover 37. The liquid crystal display device of the second embodiment can firmly fix the fixing piece % to the rear cover 37 by adding the lug 343 as compared with the liquid crystal display device 2 of the first embodiment. The liquid crystal display device of the second embodiment has a fresh structure and further simplifies the manufacturing process. Please refer to FIG. 12 and FIG. 13 for a partial perspective enlarged view of the back cover of the third embodiment of the cap 12 county, and FIG. 13 is a partial perspective enlarged view of the third embodiment of the liquid crystal display device of the present invention. . The liquid crystal display device is mainly different from the liquid containing device of the second embodiment in that the elastic portion 478 of the elastic piece 474 of the liquid crystal display device of the third embodiment is an elastic strip structure. The fixing piece 44 is assembled in the same manner as the fixing pieces 24, 34. The elastic portion 478 of the elastic piece 474 is clamped and fixed to the rear cover 47, and the main body 477 of the two opposite elastic pieces 474 clamps and fixes the main body 441 of the fixing piece 44. At this time, the screw hole 444 of the fixing piece 44 is aligned with the through hole 476 of the back cover 47. Compared with the liquid crystal display device 2 of the first embodiment and the liquid crystal display device of the second embodiment, the elastic portion 478 of the elastic piece of the liquid crystal display device of the third embodiment is an elastic strip structure, and therefore, assembly In the case of the case 44, the lug 434 is more easily inserted into the gap between the elastic piece 474 and the rear cover 47, and the liquid crystal display device of the third embodiment 13 201017260 is simpler in structure and more reliable. high. However, the display device described above is not limited to the above embodiment, and may have other modifications. For example, the load block 275 of the lock unit 280 may also be connected to the outer side of the main body 277 without being connected to the main body 277 of the elastic piece 274. The locking unit 280 may also include only the two stops 275 ′ to merge the two resisting blocks 275 on the same side of the two oppositely disposed two elastic pieces 274 into one resisting block. The locking unit 280 may also include three elastic pieces, four elastic pieces or a larger number of elastic pieces. Except for the two elastic pieces disposed opposite to each other, the other elastic piece pieces may be disposed on the same side as the opposite elastic pieces, or may be combined with the blocking piece. 275 is set on the same side. The rear cover 27 may also include a locking unit, two locking units, three locking units, five locking units or a larger number of locking units. Similarly, the above-described modified design is also applicable to the liquid crystal display devices of the second embodiment and the third embodiment. In summary, the present invention has indeed met the requirements of the invention, and has filed a patent application according to law. However, the above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. All should be covered by the following patent application. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective exploded view of a prior art liquid crystal display device. 2 is a partially enlarged schematic view showing the assembly of the fixing piece and the back cover shown in FIG. 3 is a perspective view showing another perspective of the liquid crystal display device shown in FIG. 4 is a perspective exploded view of a first embodiment of a liquid crystal display device of the present invention. FIG. 5 is a partially enlarged schematic view showing the back cover of the liquid crystal display device shown in FIG. 4. FIG. 201017260 FIG. 6 is a schematic perspective structural view of a fixing piece of the liquid crystal display device shown in FIG. 4. FIG. 7 is a partially enlarged perspective view showing the assembled liquid crystal display device of FIG. 4. FIG. FIG. 8 is a perspective view showing another perspective of the liquid crystal display device shown in FIG. Fig. 9 is a partially enlarged perspective view showing the back cover of the second embodiment of the liquid crystal display device of the present invention. Fig. 10 is a perspective view showing the three-dimensional structure of the fixing piece of the second embodiment of the liquid crystal display device of the present invention. © Fig. 11 is a perspective view showing the assembly of the fixing piece shown in Fig. 10 and the rear cover shown in Fig. 9. Fig. 12 is a partial perspective enlarged view of the second embodiment of the liquid crystal display device of the present invention. Fig. 13 is a partially enlarged perspective view showing the assembled third embodiment of the liquid crystal display device of the present invention. 〇【Main component symbol description】 Liquid crystal display device 20 Display body 21 Support assembly 22 Screw 23 Fixing piece 24, 34, 44 Housing 25 Liquid crystal display module 26 Front frame 28 Rear cover 27, 37, 47 Base 221 Support frame 222 Fixed plate 223 through holes 224, 276, 376, 476 side walls 271 15 201017260 projections 272, 242 transition portions 273 locking units 280, 380 springs 274, 374, 474 stop 275 body 277, 377, 477 elastic portion 278, 378, 478 elastic strip structure 281 spring block 279, 379 body 241, 341 screw hole 243, 344, 444 lug 343, 443 ❹ ❿ 16