200903076 九、發明說明 【發明所屬之技術領域】 本發明是有關於一種平面顯示裝置，且特別是有關於一 種液晶顯示器（LCD)。 Λ 【先前技術】 現今之液晶顯示模組（LCD Module)的設計係朝高解析 度的趨勢發展。在追求高解析度的情況下，致使印刷電路板 (Printed Circuit Board ; PCB)之佈局愈來愈複雜，因而模組 對電磁波干擾（Electromagnetic Interference ; EMI)之防護的 要求也日益嚴苛。 一般而言，模組能獲得良好的接地係一種可有效解決電 磁波干擾的方式。目前常用的接地技術均係額外使用額外之 元件，例如螺絲、金屬彈片或金屬導電布（Gasket)等，來作 為印刷電路板與前框或背板之間的電性導通媒介，藉以使印 刷電路板透過背板及/或前框而接地。 然而，由於目前之接地技術均需使用額外之導電構件， 因此會造成模組的成本增加，特別是金屬彈片與金屬導電布 之價格不低。此外，利用鎖螺絲的方式雖然成本增加不多， 但是由於螺絲需鎖附在印刷電路板上，因此會佔掉印刷電路 板極大之佈局空間，因此這樣的接地技術在應用上受到嚴重 限制，或者必須增加印刷電路板面積來彌補螺絲鎖附所額外 佔據之佈局空間，如此一來會導致電路板成本的增加。 【發明内容】 5 200903076 因此，本發明之的目的就是在提供一種液晶顯示器，利 用膠框之塑膠材質具有彈性的特性’而設計膠框之外型以形 成具有彈性效果之彈壓件，並利用此彈壓件之彈性對印刷電 ' 路板施加壓力，以使印刷電路板之接地區與導電之前框或背 框緊密接合，進而使印刷電路板確實達到接地效果。 本發明之另一目的是在提供一種液晶顯示器，透過對膠 框之外型設計即可壓制印刷電路板，而使印刷電路板達到有 效接地，無需另使用額外構件來作為印刷電路板之導地媒 f 介。因此，不僅可降低液晶顯示模組之組裝複雜度，有效提 高組裝效率，更可減少成本，提高印刷電路板之利用效率。 本發明之又一目的是在提供一種液晶顯示器，藉由設計 前框與背板之結構’使印刷電路板可緊密地挾持在前框與背 板之間，藉以使印刷電路板之接地區可確實與前框或背板直 接接觸’而形成良好接地效果。 本發明之再一目的是在提供一種液晶顯示器，透過設計 背板與電路板外罩之結構，使背板與電路板外罩之相對區域 〇 上均具有突出結構，因而印刷電路板之接地區可與背板或電 路板外罩之突出結構達到穩當接觸，而使印刷電路板與外界 形成可靠的接地。 本發明之再一目的是在提供一種液晶顯示器，其印刷電 ' 路板可與外界形成良好接地，因此可有效解決電磁波干擾的 ， 問題。 根據本發明之上述目的，提出一種液晶顯示器，至少包 括：-背光模組’至少包括一金屬背板，其中此金屬背板至 少包括-底板以及-側板圍設在底板之邊緣；—光源組，設 200903076 於金屬背板之内；以及一膠框，設於金屬背板之外緣上，並 與金屬责板之側板的外侧面貼合，其中膠框至少包括一彈壓 件’一液晶面板模組’設於背光模組之上；以及一印刷電路 板’與液晶面板模組電性連接，且設於背光模組之外側上， 其中印刷電路板至少包括一接地區，且膠框之彈壓件對應壓 迫印刷電路板，以使接地區與金屬背板直接接觸。 依照本發明一較佳實施例’上述之彈壓件包括一勾狀結 構。 、口 根據本發明之目的，提出一種液晶顯示器，至少包括： 一背光模組，至少包括一背板，其中此背板至少包括一底板 以及一側板圍設在該底板之邊緣；一光源組，設於背板之 内，以及一膠框，設於背板之外緣上，並沿著背板之側板的 外侧面延伸而下，其中膠框至少包括一彈壓件；一液晶面板 模組，設於背光模組之上；一印刷電路板，與液晶面板模組 電〖生連接，且设於背光模組之外側上，其中印刷電路板至少 包括一接地區，且膠框之彈壓件對應壓迫印刷電路板；以及 金屬β框’罩設在液晶面板模組之外緣上、以及印刷電路 板膠框與背板之外圍，其中金屬前框至少包括一凸狀結構 凸设於金屬前框之内側面並與接地區對應，而彈壓件將印刷 電路板朝金屬前框彈壓，以使接地區與金屬前框之凸狀結構 直接接觸。 依照本發明一較佳實施例，上述之彈壓件至少包括一第 邛刀以及一第一部分，第一部分延伸在背板與印刷電路板 之間，而第二部分朝印刷電路板的方向凸設於第一部分前端 之側面上，且第二部分壓迫印刷電路板，以將接地區與凸 200903076 狀結構接合。 根據本發明之目的，另提出一種液晶顯示器，至少包 括.一背光模組，至少包括：一金屬背板，至少包括一底板 、 以及一側板圍設在底板之邊緣，其中側板設有一突起部；一 光源組設於金屬背板之内；以及—膠框設於金屬背板之外緣 上，並沿著金屬背板之侧板的外侧面延伸而下；一液晶面板 模組設於背光模組之上；一印刷電路板，與液晶面板模組電 性連接，且設於背光模組之外側上並與突起部接合，其中印 (刷電路板至少包括一接地區；以及一金屬前框罩設在液晶面 板模組之外緣上、以及印刷電路板、膠框與金屬背板之外 圍，其中金屬前框至少包括一凸狀結構凸設於金屬前框之内 側面，凸狀結構之位置對應於突起部與接地區，且印刷電路 板夾設在突起部與凸狀結構之間，以使凸狀結構或突起部與 接地區直接接觸。 根據本發明之目的，更提出一種液晶顯示器，至少包 括.彦光模組，至少包括：一金屬背板，至少包括一底板 l· 以及一侧板圍設在底板之邊緣，其中底板設有一突起部；一 光源組設於金屬背板之内；以及一膠框設於金屬背板之外緣 上；一液晶面板模組設於背光模組之上；一印刷電路板，與 液晶面板模組電性連接，且設於背板之底板的外側面上並與 犬起部接合，其中印刷電路板至少包括一接地區；以及一電 • 路板金屬外罩罩覆住印刷電路板，其中電路板金屬外罩至少 包括一凸狀結構，凸狀結構之位置對應於突起部與接地區， 且印刷電路板夾設在突起部與凸狀結構之間，以使接地區與 突起部或凸狀結構直接接觸。 200903076 利用膠框材料具有彈性之特f，再透過對膠框之形狀結 構的言又計、，而形成具有彈簧效果之零件，由於這樣的彈壓零 件具有填補間隙的能力，因此可預防因組裝或零件生產公差 之變異所造成之間隙’進而可將印刷電路板之接地區緊密壓 附在導地點。此外，另可透過設計背板與前框之結構搭配、 或者月板與電路板外罩之結構搭配，來達到穩固夾制印刷電 路板=效果’進而使印刷f路板之接地區得以可靠地經由背 板、前框或電路板外罩來達成與外界之接地。因此，運用本 案之發明可在不額外增加零件前提下，使印刷電路板獲得良 好的接地效果，進一步達到改善電磁波干擾的目的。 【實施方式】 本發明揭露一種液晶顯示器，可在不使用額外零件下， 使印刷電路板獲彳于良好之接地效果，有效改善電磁波干擾的 問題。為了使本發明之敘述更加詳盡與完備，可參照下列描 述並配合第1圖至第7B圖之圖示。 請參照第1圖與第2圖，其中第丨圖繪示依照本發明一 較佳實施例的一種液晶顯示器之立體剖面圖，而第2圖則係 繪示第1圖之液晶顯示器之外圍部分的放大剖面圖。液晶顯 示器100主要係包括背光模組102、液晶面板模組i08、前 框116以及印刷電路板120。背光模組1〇2主要包括背板 106、光源組1〇4與膠框122，其中背板1〇6主要係由底板 112與侧板114，且側板114圍設在底板丨12之邊緣而形成 盤狀結構。背板10 6之材料可為塑膠或金屬，較佳係採用金 屬。光源組104設置在背板1 〇6之内部，並位於底板1 j 2 200903076 之上。背板106之内部更可依實際狀況，例如背板ι〇6之材 質不具反射性時’選擇性地設置反射片134於背板1〇6與光 源組104之間，以提供光反射功能，進而將光源組ι〇4往背 ， 板1〇6之光朝顯示面的方向反射。 ， 如液晶顯示器1〇0之局部放大部分124所示，膠框122 設於背板106之外緣上，並沿著背板1〇6之侧板114的外側 面延伸而下。在本發明中，膠框122至少包括一彈壓件126, 其中彈壓件126與膠框122較佳係一體成型的結構。膠框 ( I22與彈壓件I26之材料可例如為聚碳酸酯（PC)等材質堅韌 且具有彈性之材料。此外，亦可根據產品實際需求，而背光 模組102更可選擇性地設置光學薄膜組11〇於整個背板1〇6 之上，藉以改善光源之效能以及提高光源之均勻度，其中光 學薄膜組110之外緣夾設在膠框122與背板1〇6之間。液晶 面板模組108則設置於背光模組102之上，其中液晶面板模 組108之外緣壓設在膠框122上。印刷電路板ι2〇則設於背 光模組102之外側’並與部分之膠框122接合，其中印刷電 〇 路板12〇可透過軟性電路板（未繪示於第2圖中，但如第3 圖所示之軟性電路板13 6)而與液晶面板模組1 〇 8電性連 接，此軟性電路板可例如為覆晶薄膜軟板（COF)、捲帶式薄 膜電路板（TAB)或軟性印刷電路板（FPC)。印刷電路板i 2〇 ’ 至少包括一接地區132，其中接地區132設有金屬層，由於 - 此金屬層之材料可例如為銅（Cu)，因此接地區132又稱為露 銅區。 另一方面，前框116則係罩設在液晶面板模組1 〇8之外 緣上，且圍設於背光模組102之四周，並罩住背光模組j 〇2 200903076 之側邊的印刷電路板120、膠框122、與背板1〇6之側板U4 的外圍，如第2圖所示。前框116之材料一般可為塑膠或金 屬，然而在本實施例中，前框116之材料為金屬，以利印刷 - 電路板I20之接地區I32經由前框116而達到接地之效果。 ， 在本實施例中，前框116至少包括凸狀結構118，其中凸狀 結構Π8可利用例如沖壓成型方式由外朝内側沖壓金屬前 框116，而形成凸設於金屬前框i 16之内側面的結構。凸狀 結構118之位置係與印刷電路板12〇之接地區132對應且相 ( 對，以利兩者之接觸。膠框122之彈壓件126包括第一部分 128與第二部分130,其中第一部分128延伸在背板1〇6與 印刷電路板120之間，而第二部分13〇朝印刷電路板12〇 的方向凸設於第一部分128前端之侧面上，且第二部分13〇 之位置對應於印刷電路板12〇之接地區丨32。 由於印刷電路板120介於前框116之凸狀結構118與膠 框122之彈壓件126之間，因此當印刷電路板12〇置放在彈 壓件126上時，印刷電路板12〇會壓觸到彈壓件126凸出之 ( 第一部分130，因而彈壓件120會朝印刷電路板120施加之 一反彈力，進而將印刷電路板12〇之接地區132朝前框ιΐ6 的方向彈壓。此時，由於前框116之凸狀結構118之位置與 接地區1 32相對，因此彈壓件j 26之反彈力將迫使印刷電路 板120之接地區132直接與金屬前框u6之凸狀結構 ' 接觸，如此一來，可使印刷電路板120與金屬前框Π6電性 導通’如第2圖所示。由於印刷電路板12〇之接地區 可與金屬刖框11 6確實接觸，因此印刷電路板j 2〇可獲得良 好的接地效果，進而可有效防止電磁波干擾。因此，運用本 11 200903076 發明可在不使用額外的零件以及不佔用印刷電路板12〇之 空間下，確實而有效地使印刷電路板12〇獲得良好接地效 果。 - 值彳于注意的一點是，雖然此一實施例之膠框122的彈壓 件126係呈類L字型結構，然而本發明之膠框的彈壓件亦 可包括勾狀結構，如第3圖所示，因此本發明之範圍並不限 於上述實施例。 在前述實施例中’印刷電路板之接地區係與金屬前框直 (: 接接觸而達到導地效果，然而印刷電路板之接地區亦可直接 與背板接觸來進行接地。請參照第3圖，其係繪示依照本發 明另一較佳實施例的一種液晶顯示器之外圍部分的放大剖 面圖。在此實施例中，膠框122a與背板l〇6a之侧板114a 的外側面貼合，而印刷電路板120a設於背板1 〇6a之侧板 114a的外側面上，並與部分之膠框122a及部分之背板1 〇6a 接合。印刷電路板12 0 a與液晶面板模組1 〇 8之間設有軟性 電路板13 6，其中軟性電路板13 6之兩側分別與印刷電路板 () 12〇a與液晶面板模組108接合，以電性連接印刷電路板i20a 與液晶面板模組108。軟性電路板136可例如為覆晶薄膜軟 板（COF)、捲帶式薄膜電路板（TAB)或軟性印刷電路板 (FPC)。印刷電路板120a之接地區132a與背板l〇6a之側板 . 114a的外側面相對。因此，為了使印刷電路板120a之接地 . 區1 32a能達到電性導地的效果，本實施例之背板1 〇6a之材 料為金屬。此外，膠框122a之彈壓件126a可包括一勾狀結 構128a，且此勾狀結構128a之位置與印刷電路板12〇a之 接地區132a對應。由於膠框122a係由堅韌且具有彈性之材 12 200903076 質所組成，再加上彈壓件丨26a具有勾狀結構128&的外型設 计，因此彈壓件126a之勾狀結構i28a可抵住並壓制在印刷 電路板120a之接地區132a之上，如此一來可使接地區132a - 與金屬背板106a之側板114a直接且緊密地接觸，而達到接 地的效果。 在本實施例中，前框116a之侧板雖不具凸狀結構，而 僅為一平板狀結構，然而本實施例之前框n6a的側板亦可 與前一實施例的前框116 —般，朝印刷電路板12〇a的方向 ( 凸设有凸狀結構，且此一凸狀結構的位置與印刷電路板 120a之接地區i32a的位置對應，以壓制膠框122&之彈壓 件126a，藉以更緊密地接合印刷電路板12〇&之接地區132& 與金屬背板106a。 此外，本實施例之膠框122a的彈壓件12以亦可以類£ 字型的彈壓件來取代，如第4圖所示之膠框i22b或第$圖 所示之膠框122c，其中第4圖與第5圖之實施例的裝置的 差異點僅在於膠框之彈壓件的外型設計，而膠框之彈壓件均 Ο 係位於前框與印刷電路板之間。在第4圖中，膠框1221)之 彈壓件126b包括第一部分128b與第二部分13叽，其中第 一部分128b延伸在印刷電路板12〇b與前框U6a(如第3圖 所示）之間，而第二部分130b朝印刷電路板12〇1?的方向凸 設於第一部分128b前端之侧面上，且第二部分13〇b之位置 ' 對應於印刷電路板120b之接地區132b。而在第5圖中，膠 框122c之彈壓件126c與第4圖之膠框122b的彈壓件i26b 的外型相似，彈壓件126c同樣包括第一部分128c與第二部 分130c，且第-部分128c延伸在印刷電路板mc與前框 13 200903076 116a(如第3圖所示）之間，第二部分13〇c朝印刷電路板i2〇c 的方向凸設於第一部分128c前端之側面上，且第二部分 130c之位置對應於印刷電路板12〇c之接地區利用彈 壓件126b與126c之材料本身的韌性與彈性，朝金屬背板 106a(如第3圖所示）的方向分別對印刷電路板12〇b與12〇c 施加之彈壓力’進而分別將印刷電路板12〇b之接地區132b 及印刷電路板120c之接地區132c壓制並接觸金屬背板 106a，而達到接地之目的。 凊參照第6圖，其係繪示依照本發明再一較佳實施例的 一種液晶顯示器之外圍部分的放大剖面圖。在此實施例中， 膠框122a與背板i〇6b之側板114b的外側面貼合，而印刷 電路板120d設於背板i〇6b之側板U4b的外側面上，並與 部分之膠框122a接合’同時更與背板i〇6b之側板U4b的 突起部138接合。印刷電路板12〇d與液晶面板模組1〇8之 間没有軟性電路板13 6，其中軟性電路板13 6之兩側分別與 印刷電路板120d與液晶面板模組1 〇8接合，以電性連接印 刷電路板120d與液晶面板模組1〇8。軟性電路板136可例 如為覆晶薄膜軟板（COF)、捲帶式薄膜電路板（TAB)或軟性 印刷電路板（FPC)。前框116b係罩設在液晶面板模組ι〇8 之外緣上’且圍設於背光模組1 〇2之四周，並罩住背光模組 102之外側的印刷電路板i20d、膠框122a、與背板l〇6b之 侧板114b的外圍。在本實施例中，前框丨16b之材料為金屬， 以利印刷電路板120d之接地區132d經由前框116b而達到 接地之效果，其中接地區132d設有金屬層，且此金屬層之 材料可例如為銅。在本實施例中，前框1丨6b至少包括凸狀 14 200903076 構118 a其中凸狀結構118 a可利用例如沖壓成型方式由 外朝内侧沖壓金屬前框116b，而形成凸設於金屬前框U6b 之内側面的結構。凸狀結構118a之位置係與印刷電路板 , 120d之接地區132d對應且相對，以利兩者之接觸。此外， 金屬前框116b之凸狀結構118a之位置較佳係與背板1〇6b 之側板114b的突起部138對應，如此一來印刷電路板120d 可為侧板114b之突起部丨38與金屬前框u6b之凸狀結構 118a緊密夾持，可使接地區i32d與金屬前框n6b之凸狀 f 結構11 8 a直接且緊密地接觸，而達到接地的效果。 在另一實施例中，印刷電路板12〇d之接地區I32d之位 置可改為設置於印刷電路板12〇d之内側面，因而使得接地 區132d變成與背板1 〇6b之侧板114b的突起部138對應且 相對’以利接地區132d與突起部138之接觸。此外，背板 106b之材料為金屬，以利印刷電路板i2〇d之接地區132d 經由背板1 〇6b而達到接地之效果。而且，金屬前框丨丨6b 之凸狀結構11 8a之位置較佳係與背板1 〇6b之側板114b的 C； 突起部138對應，如此一來’印刷電路板120d可為側板114b 之突起部138與金屬前框116b之凸狀結構118a緊密夾持， 可使接地區132d與側板114b之突起部1 38直接且緊密地接 觸，而達到接地的效果。 • 請參照第7 A圖，其係繪示依照本發明再一較佳實施例 • 的一種液晶顯示器之外圍部分的放大剖面圖。此液晶顯示器 100a具有側邊入光式背光模組1 〇2a，其中背光模組102a 更包括導光板140設於背板106中且介於光學膜片組110 與反射片134之間。此外，光源組1 〇4係設於導光板1 〇4 15 200903076 之外側面與背板106之側板114的内侧面之間，其中背光模 組102a更設有光源反射罩142，以將光源組104包覆在光 源反射罩142與導光板1 〇4之外侧面之間，進而可將光源阻 104朝外侧所發出之光反射回導光板140。在此實施例中’ 膠框122a與背板106之側板114的外側面貼合，而印刷電 路板120e設於背板1 〇6之底板112的外側面上，並與底板 112的突起部148接合。印刷電路板120e與液晶面板模組 108之間設有軟性電路板丨36，其中軟性電路板136之兩側 分別與印刷電路板120e與液晶面板模組108接合，以電性 連接印刷電路板120e與液晶面板模組1〇8。軟性電路板136 可例如為覆晶薄膜軟板（COF)、捲帶式薄膜電路板（TAB)或 軟性印刷電路板（FPC)。在本實施例中，背板1 〇6之材料為 金屬，以利印刷電路板12〇e之接地區132e經由背板106 而達到接地之效果’其中接地區1 32e設有金屬層，且此金 屬層之材料可例如為銅。前框116a係罩設在液晶面板模組 108之外緣上，且圍設於背光模組i〇2a之四周，並罩住背 光模組102a之外侧的膠框122a、與背板1〇6之側板114的 外圍。前框116a之材料一般可為塑膠或金屬。 在本實施例中’背光模組1 〇2a更至少包括電路板外罩BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a flat display device, and more particularly to a liquid crystal display (LCD). Λ [Prior Art] The design of today's LCD Modules is moving toward higher resolution. In the pursuit of high resolution, the layout of printed circuit boards (PCBs) is becoming more and more complex, and the requirements for electromagnetic interference (EMI) protection of modules are becoming increasingly stringent. In general, the module can obtain a good grounding system, which is a way to effectively solve the electromagnetic wave interference. At present, the commonly used grounding technology uses additional components such as screws, metal shrapnel or metal conductive cloth (Gasket) to serve as an electrical conduction medium between the printed circuit board and the front or back panel, thereby making the printed circuit The board is grounded through the backplane and/or the front frame. However, since the current grounding technology requires the use of additional conductive members, the cost of the module is increased, and in particular, the price of the metal dome and the metal conductive cloth is not low. In addition, although the cost of the lock screw is not increased much, since the screw needs to be locked on the printed circuit board, it occupies a large layout space of the printed circuit board, and thus such grounding technology is severely limited in application, or The printed circuit board area must be increased to compensate for the additional footprint of the screw lock, which can result in increased board cost. SUMMARY OF THE INVENTION 5 200903076 Therefore, the object of the present invention is to provide a liquid crystal display which utilizes the elastic property of a plastic material of a plastic frame to design a plastic frame to form an elastic member having an elastic effect, and utilizes this. The elasticity of the elastic member applies pressure to the printed circuit board so that the printed circuit board is closely bonded to the conductive front frame or the back frame, so that the printed circuit board can surely achieve the grounding effect. Another object of the present invention is to provide a liquid crystal display capable of pressing a printed circuit board by designing a plastic frame, thereby effectively grounding the printed circuit board without using additional components as a guide for the printed circuit board. Media f. Therefore, not only the assembly complexity of the liquid crystal display module can be reduced, the assembly efficiency is effectively improved, the cost can be reduced, and the utilization efficiency of the printed circuit board can be improved. Another object of the present invention is to provide a liquid crystal display, by designing the structure of the front frame and the back plate, so that the printed circuit board can be tightly held between the front frame and the back plate, so that the printed circuit board can be connected to the area. It does make direct contact with the front frame or the back plate to form a good grounding effect. A further object of the present invention is to provide a liquid crystal display having a structure in which the back plate and the outer cover of the circuit board have a protruding structure by designing the structure of the back plate and the circuit board cover, so that the connection area of the printed circuit board can be The protruding structure of the backplane or the circuit board cover achieves a stable contact, and the printed circuit board forms a reliable grounding with the outside world. Still another object of the present invention is to provide a liquid crystal display in which a printed electric circuit board can form a good grounding with the outside, so that electromagnetic wave interference can be effectively solved. According to the above object of the present invention, a liquid crystal display is provided, comprising at least: a backlight module comprising at least one metal back plate, wherein the metal back plate comprises at least a bottom plate and a side plate enclosing the edge of the bottom plate; 200903076 is disposed in the metal back plate; and a plastic frame is disposed on the outer edge of the metal back plate and is adhered to the outer side surface of the side plate of the metal plate, wherein the plastic frame includes at least one elastic member 'a liquid crystal panel mold The group 'is disposed on the backlight module; and a printed circuit board' is electrically connected to the liquid crystal panel module, and is disposed on the outer side of the backlight module, wherein the printed circuit board includes at least one connection area, and the elastic pressure of the plastic frame The piece corresponds to the pressing printed circuit board so that the connection area is in direct contact with the metal back plate. According to a preferred embodiment of the present invention, the above-described elastic member comprises a hook structure. According to the purpose of the present invention, a liquid crystal display includes at least one backlight module including at least one backplane, wherein the backplane includes at least one bottom plate and one side plate surrounding the edge of the bottom plate; a plastic frame is disposed on the outer edge of the back plate and extends along the outer side of the side plate of the back plate, wherein the plastic frame includes at least one elastic member; It is disposed on the backlight module; a printed circuit board is electrically connected to the liquid crystal panel module, and is disposed on the outer side of the backlight module, wherein the printed circuit board includes at least one connection area, and the elastic part of the plastic frame corresponds to Pressing the printed circuit board; and the metal β frame is disposed on the outer edge of the liquid crystal panel module, and the periphery of the printed circuit board plastic frame and the back plate, wherein the metal front frame includes at least a convex structure protruding from the metal front frame The inner side surface corresponds to the connection area, and the elastic member presses the printed circuit board toward the metal front frame so that the joint area is in direct contact with the convex structure of the metal front frame. According to a preferred embodiment of the present invention, the elastic member includes at least a first boring tool and a first portion. The first portion extends between the back plate and the printed circuit board, and the second portion protrudes toward the printed circuit board. The first portion is on the side of the front end, and the second portion presses the printed circuit board to engage the joint region with the convex 200903076-like structure. According to another aspect of the present invention, a liquid crystal display includes at least a backlight module, comprising: a metal back plate, comprising at least one bottom plate, and a side plate surrounding the edge of the bottom plate, wherein the side plate is provided with a protrusion; a light source group is disposed in the metal back plate; and the rubber frame is disposed on the outer edge of the metal back plate and extends along the outer side surface of the side plate of the metal back plate; a liquid crystal panel module is disposed on the backlight module Above the group; a printed circuit board electrically connected to the liquid crystal panel module, and disposed on the outer side of the backlight module and engaging with the protrusion, wherein the printing circuit board includes at least one connection area; and a metal front frame The cover is disposed on the outer edge of the liquid crystal panel module and on the periphery of the printed circuit board, the plastic frame and the metal back plate, wherein the metal front frame comprises at least a convex structure protruding from the inner side of the metal front frame, and the convex structure The position corresponds to the protrusion portion and the connection region, and the printed circuit board is interposed between the protrusion portion and the convex structure so that the convex structure or the protrusion portion is in direct contact with the connection region. According to the purpose of the present invention, A liquid crystal display comprising at least a light-emitting module, comprising at least: a metal back plate comprising at least one bottom plate l· and a side plate surrounding the edge of the bottom plate, wherein the bottom plate is provided with a protrusion; a light source group is disposed on the metal a plastic frame module is disposed on the outer edge of the metal back plate; a liquid crystal panel module is disposed on the backlight module; a printed circuit board is electrically connected to the liquid crystal panel module, and is disposed on the back An outer side surface of the bottom plate of the board is joined to the dog portion, wherein the printed circuit board includes at least one connection area; and an electric circuit board metal cover covers the printed circuit board, wherein the circuit board metal cover includes at least one convex structure The position of the convex structure corresponds to the protrusion and the connection area, and the printed circuit board is sandwiched between the protrusion and the convex structure, so that the connection area is in direct contact with the protrusion or the convex structure. The elastic f, and then through the shape and structure of the plastic frame, to form a spring-effected part, because such elastic parts have the ability to fill the gap, so it can be pre- The gap caused by variations in assembly or part production tolerances, which in turn allows the printed circuit board to be tightly attached to the guide. Alternatively, the design of the back panel and the front frame, or the moon and board The structure of the outer cover is matched to achieve a stable sandwiched printed circuit board=effect', so that the area where the printed f-board is connected can be reliably grounded through the backboard, the front frame or the circuit board cover. Therefore, the application of the case is The invention can achieve a good grounding effect on the printed circuit board without additional parts, and further achieve the purpose of improving electromagnetic interference. [Embodiment] The present invention discloses a liquid crystal display capable of making a printed circuit without using additional parts. The board is well-grounded and effectively improves the electromagnetic interference. To make the description of the present invention more detailed and complete, refer to the following description and match the diagrams of Figures 1 to 7B. Please refer to Figure 1 2 is a perspective cross-sectional view showing a liquid crystal display according to a preferred embodiment of the present invention. FIG 2 is an enlarged cross-sectional view illustrating a schematic system view of the peripheral portion of the liquid crystal display 1 of FIG. The liquid crystal display 100 mainly includes a backlight module 102, a liquid crystal panel module i08, a front frame 116, and a printed circuit board 120. The backlight module 1〇2 mainly includes a back plate 106, a light source group 1〇4 and a plastic frame 122. The back plate 1〇6 is mainly composed of a bottom plate 112 and a side plate 114, and the side plate 114 is disposed around the edge of the bottom plate 12 Form a disc-like structure. The material of the backing plate 106 can be plastic or metal, preferably metal. The light source group 104 is disposed inside the back plate 1 〇6 and is located above the bottom plate 1 j 2 200903076. The interior of the backing plate 106 can be selectively disposed between the backing plate 1〇6 and the light source group 104 to provide a light reflecting function according to an actual situation, for example, when the material of the backing plate 不6 is not reflective. Further, the light source group ι 4 is turned back, and the light of the plate 1 〇 6 is reflected toward the display surface. As shown in the partially enlarged portion 124 of the liquid crystal display 110, the plastic frame 122 is disposed on the outer edge of the back plate 106 and extends down along the outer side surface of the side plate 114 of the back plate 1〇6. In the present invention, the plastic frame 122 includes at least one elastic member 126, and the elastic member 126 and the plastic frame 122 are preferably integrally formed. The material of the plastic frame (I22 and the elastic member I26) may be a tough and elastic material such as polycarbonate (PC). In addition, the backlight module 102 may be selectively provided with an optical film according to actual needs of the product. The group 11 is disposed on the entire back plate 1〇6 to improve the performance of the light source and improve the uniformity of the light source. The outer edge of the optical film group 110 is sandwiched between the plastic frame 122 and the back plate 1〇6. The module 108 is disposed on the backlight module 102, wherein the outer edge of the liquid crystal panel module 108 is pressed on the plastic frame 122. The printed circuit board ι2〇 is disposed on the outer side of the backlight module 102 and is partially glued. The frame 122 is joined, wherein the printed circuit board 12 is permeable to a flexible circuit board (not shown in FIG. 2, but as shown in FIG. 3, the flexible circuit board 13 6) and the liquid crystal panel module 1 〇 8 Electrically connected, the flexible circuit board can be, for example, a chip-on-film flexible board (COF), a tape-and-reel film board (TAB), or a flexible printed circuit board (FPC). The printed circuit board i 2〇' includes at least one connection area. 132, wherein the connection area 132 is provided with a metal layer, due to - the metal layer The material may be, for example, copper (Cu), so the connection region 132 is also referred to as the exposed copper region. On the other hand, the front frame 116 is disposed on the outer edge of the liquid crystal panel module 1 〇8 and is disposed around the backlight module. The periphery of the group 102 covers the periphery of the printed circuit board 120, the plastic frame 122, and the side panel U4 of the back panel 1〇6 of the backlight module j 〇2 200903076, as shown in Fig. 2. The front frame 116 The material may be plastic or metal. However, in the present embodiment, the material of the front frame 116 is metal, so that the connection area I32 of the printed circuit board I20 reaches the grounding effect via the front frame 116. In this embodiment The front frame 116 includes at least a convex structure 118, wherein the convex structure 8 can press the metal front frame 116 from the outer side toward the inner side by, for example, press forming, and form a structure protruding from the inner side surface of the metal front frame i16. The position of the structure 118 corresponds to and corresponds to the contact area 132 of the printed circuit board 12 (to facilitate contact between the two. The spring member 126 of the plastic frame 122 includes the first portion 128 and the second portion 130, wherein the first portion 128 Extending between the backplane 1〇6 and the printed circuit board 120, and the second part 13〇 protrudes toward the front side of the first portion 128 in the direction of the printed circuit board 12〇, and the position of the second portion 13〇 corresponds to the area 丨32 of the printed circuit board 12〇. Since the printed circuit board 120 is in front of the front The convex structure 118 of the frame 116 is between the elastic member 126 of the plastic frame 122, so that when the printed circuit board 12 is placed on the elastic member 126, the printed circuit board 12 is pressed against the elastic member 126 ( The first portion 130, and thus the biasing member 120, exerts a repulsive force toward the printed circuit board 120, thereby urging the printed circuit board 12 to the area 132 toward the front frame ι6. At this time, since the position of the convex structure 118 of the front frame 116 is opposite to the connection area 1 32, the repulsive force of the elastic member j 26 will force the connection region 132 of the printed circuit board 120 directly to the convex structure of the metal front frame u6. Contact, in this way, the printed circuit board 120 can be electrically connected to the metal front frame ' 6 as shown in FIG. 2 . Since the printed circuit board 12 is in contact with the metal frame 116, the printed circuit board j 2 〇 can obtain a good grounding effect, thereby effectively preventing electromagnetic wave interference. Therefore, the invention of the present invention can effectively and effectively achieve good grounding effect on the printed circuit board 12 without using additional parts and occupying the space of the printed circuit board 12 。. - Values Note that although the elastic member 126 of the plastic frame 122 of this embodiment has an L-shaped structure, the elastic member of the plastic frame of the present invention may also include a hook structure, as shown in FIG. As shown, the scope of the invention is therefore not limited to the embodiments described above. In the foregoing embodiment, the area where the printed circuit board is connected is directly connected to the metal front frame (: contact is made to achieve the ground guiding effect, but the area where the printed circuit board is connected may also be directly grounded to the back plate for grounding. Please refer to the third BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an enlarged cross-sectional view showing a peripheral portion of a liquid crystal display according to another preferred embodiment of the present invention. In this embodiment, the plastic frame 122a is attached to the outer side of the side plate 114a of the back plate 106a. The printed circuit board 120a is disposed on the outer side of the side plate 114a of the back plate 1 〇 6a, and is joined to a portion of the plastic frame 122a and a portion of the back plate 1 〇 6a. The printed circuit board 120 a and the liquid crystal panel module A flexible circuit board 13 6 is disposed between the groups 1 and 8 , and the two sides of the flexible circuit board 13 6 are respectively bonded to the printed circuit board ( ) 12 〇 a and the liquid crystal panel module 108 to electrically connect the printed circuit board i20a with The liquid crystal panel module 108. The flexible circuit board 136 can be, for example, a chip-on-film flexible board (COF), a tape-type thin film circuit board (TAB), or a flexible printed circuit board (FPC). The printed circuit board 120a is connected to the area 132a and the back. The side plate of the plate l〇6a. The outer side of the 114a is opposite. Therefore, The grounding of the printed circuit board 120a. The area 1 32a can achieve the effect of electrically conducting the ground. The material of the backing plate 1 〇 6a of the embodiment is metal. In addition, the elastic member 126a of the plastic frame 122a can include a hook structure. 128a, and the position of the hook structure 128a corresponds to the area 132a of the printed circuit board 12A. Since the plastic frame 122a is composed of a tough and elastic material 12 200903076, the elastic member 26a has a hook. The shape of the structure 128 & is such that the hook-like structure i28a of the resilient member 126a can be pressed against and pressed over the area 132a of the printed circuit board 120a, thus enabling the connection area 132a - with the metal back plate 106a The side plate 114a is directly and closely contacted to achieve the grounding effect. In this embodiment, the side plate of the front frame 116a does not have a convex structure but only a flat structure, but the side plate of the frame n6a before the embodiment Similarly to the front frame 116 of the previous embodiment, in the direction of the printed circuit board 12A (the convex structure is convex, and the position of the convex structure is located at the position i32a of the printed circuit board 120a) Corresponding to press the plastic frame 122 & The elastic member 126a is used to more closely engage the printed circuit board 12's and the contact area 132& and the metal back plate 106a. In addition, the elastic member 12 of the plastic frame 122a of the present embodiment can also be shaped like a spring. The plastic frame i22b shown in FIG. 4 or the plastic frame 122c shown in FIG. 4, wherein the device of the embodiment of FIG. 4 and FIG. 5 differs only in the outer part of the elastic frame of the plastic frame. The design is made, and the elastic parts of the plastic frame are between the front frame and the printed circuit board. In FIG. 4, the elastic member 126b of the plastic frame 1221) includes a first portion 128b and a second portion 13A, wherein the first portion 128b extends over the printed circuit board 12b and the front frame U6a (as shown in FIG. 3). Meanwhile, the second portion 130b protrudes toward the front side of the front end of the first portion 128b in the direction of the printed circuit board 12〇1, and the position 'the second portion 13〇b corresponds to the connected region 132b of the printed circuit board 120b. In Fig. 5, the elastic member 126c of the plastic frame 122c is similar to the elastic member i26b of the plastic frame 122b of Fig. 4, and the elastic member 126c also includes the first portion 128c and the second portion 130c, and the first portion 128c Extending between the printed circuit board mc and the front frame 13 200903076 116a (as shown in FIG. 3), the second portion 13〇c protrudes from the front side of the front end of the first portion 128c toward the printed circuit board i2〇c, and The position of the second portion 130c corresponds to the toughness and elasticity of the material of the elastic members 126b and 126c in the area where the printed circuit board 12c is connected, and the printed circuit is directed to the metal back plate 106a (as shown in FIG. 3). The elastic pressure applied by the plates 12〇b and 12〇c respectively presses the contact region 132b of the printed circuit board 12〇b and the contact region 132c of the printed circuit board 120c and contacts the metal back plate 106a, respectively, to achieve the purpose of grounding. Referring to Fig. 6, there is shown an enlarged cross-sectional view showing a peripheral portion of a liquid crystal display according to still another preferred embodiment of the present invention. In this embodiment, the plastic frame 122a is attached to the outer side surface of the side plate 114b of the back plate i〇6b, and the printed circuit board 120d is disposed on the outer side surface of the side plate U4b of the back plate i〇6b, and a part of the plastic frame The 122a joint 'is also joined to the projection 138 of the side panel U4b of the backing plate i〇6b. There is no flexible circuit board 13 6 between the printed circuit board 12 〇 d and the liquid crystal panel module 1 〇 8 , and the two sides of the flexible circuit board 13 6 are respectively bonded to the printed circuit board 120 d and the liquid crystal panel module 1 〇 8 to be electrically The printed circuit board 120d and the liquid crystal panel module 1 are connected. The flexible circuit board 136 can be, for example, a chip-on-film flexible board (COF), a tape-and-reel film board (TAB), or a flexible printed circuit board (FPC). The front frame 116b is disposed on the outer edge of the liquid crystal panel module 〇8 and surrounds the backlight module 1 〇2, and covers the printed circuit board i20d and the plastic frame 122a on the outer side of the backlight module 102. And the periphery of the side plate 114b of the back plate 16b. In this embodiment, the material of the front frame 丨 16b is metal, so that the connection region 132d of the printed circuit board 120d reaches the grounding effect via the front frame 116b, wherein the connection region 132d is provided with a metal layer, and the material of the metal layer It can be, for example, copper. In the present embodiment, the front frame 1 丨 6b includes at least a convex shape 14 200903076 structure 118 a wherein the convex structure 118 a can be stamped from the outer side toward the inner side of the metal front frame 116 b by a press forming method to form a convex front metal frame The structure of the inner side of U6b. The position of the convex structure 118a is corresponding to and opposite to the printed circuit board 120d area 132d to facilitate contact between the two. In addition, the position of the convex structure 118a of the metal front frame 116b preferably corresponds to the protrusion 138 of the side plate 114b of the back plate 1〇6b, so that the printed circuit board 120d can be the protrusion 丨38 and the metal of the side plate 114b. The convex structure 118a of the front frame u6b is tightly clamped, so that the joint region i32d can directly and closely contact the convex f structure 11 8 a of the metal front frame n6b to achieve the grounding effect. In another embodiment, the position of the interface area I32d of the printed circuit board 12〇d can be changed to be disposed on the inner side of the printed circuit board 12〇d, thereby making the connection area 132d become the side plate 114b of the back board 1 〇 6b. The protrusions 138 correspond to and are in contact with the protrusions 138 with respect to the region 132d. In addition, the material of the back plate 106b is metal, so that the connection region 132d of the printed circuit board i2〇d reaches the grounding effect via the back plate 1 〇 6b. Moreover, the position of the convex structure 11 8a of the metal front frame 丨丨 6b is preferably the same as the C of the side plate 114b of the back plate 1 〇 6b; the protrusion 138 corresponds, so that the printed circuit board 120d can be the protrusion of the side plate 114b. The portion 138 is tightly held by the convex structure 118a of the metal front frame 116b, so that the joint portion 132d can directly and closely contact the protrusion portion 138 of the side plate 114b to achieve the grounding effect. • Referring to Figure 7A, there is shown an enlarged cross-sectional view of a peripheral portion of a liquid crystal display according to still another preferred embodiment of the present invention. The liquid crystal display 100a has a side-lit backlight module 1 〇 2a. The backlight module 102a further includes a light guide plate 140 disposed in the back plate 106 and interposed between the optical film set 110 and the reflective sheet 134. In addition, the light source group 1 〇 4 is disposed between the outer side of the light guide plate 1 〇 4 15 200903076 and the inner side surface of the side plate 114 of the back plate 106. The backlight module 102a is further provided with a light source reflector 142 to set the light source group. The light is disposed between the light source reflector 142 and the outer surface of the light guide plate 〇4, and the light emitted from the light source resistor 104 toward the outside is reflected back to the light guide plate 140. In this embodiment, the plastic frame 122a is attached to the outer side surface of the side plate 114 of the back plate 106, and the printed circuit board 120e is disposed on the outer side surface of the bottom plate 112 of the back plate 1 and 6 and the protrusion 148 of the bottom plate 112. Engage. A flexible circuit board 丨36 is disposed between the printed circuit board 120e and the liquid crystal panel module 108. The two sides of the flexible circuit board 136 are respectively coupled to the printed circuit board 120e and the liquid crystal panel module 108 to electrically connect the printed circuit board 120e. With the LCD panel module 1〇8. The flexible circuit board 136 can be, for example, a chip-on-film flexible board (COF), a tape-and-reel film board (TAB), or a flexible printed circuit board (FPC). In this embodiment, the material of the back plate 1 〇6 is metal, so that the connection area 132e of the printed circuit board 12〇e reaches the grounding effect via the back plate 106. The ground area 1 32e is provided with a metal layer, and this The material of the metal layer can be, for example, copper. The front frame 116a is disposed on the outer edge of the liquid crystal panel module 108, and is disposed around the backlight module i〇2a, and covers the plastic frame 122a and the back plate 1〇6 on the outer side of the backlight module 102a. The periphery of the side panel 114. The material of the front frame 116a can generally be plastic or metal. In this embodiment, the backlight module 1 〇 2a further includes at least a circuit board cover.
144 ’以罩覆並保護印刷電路板i2〇e，如第7A圖與第7B 圖所示。電路板外罩144至少包括凸狀結構146，其中凸狀 結構146可利用例如沖壓成型方式由外朝内側沖壓電路板 外罩144 ’而形成凸設於電路板外罩144之内側面的結構。 凸狀結構146之位置係與印刷電路板12〇6之接地區η。 對應，以利壓制印刷電路板！ M ,、，^_ • w电纷伋UUe，藉以使印刷電路板12〇e 16 200903076 之接地區132e與背板l〇6之底板112接合。如此一來，可 使印刷電路板120e之接地區132e與背板106之底板112 直接且緊密地接觸，而達到接地的效果。 . 在另一實施例中，印刷電路板120e之接地區132e之位 置可改為設置於印刷電路板12〇e之下側面，因而使得接地 區132e變成與電路板外罩i44之凸狀結構146對應且相 對’以利接地區132e與凸狀結構146之接觸。此外，電路 板外罩144之材料為金屬，可以有效隔離電磁千擾（EMI)效 C 應’以利印刷電路板120e之接地區132e經由電路板外罩 144而達到接地之效果。而且，電路板外罩ι44之凸狀結構 146之位置較佳係與背板丨〇6之底板丨〗2的突起部丨48對 應’如此一來’印刷電路板12〇e可為底板之突起部148 與電路板外罩144之凸狀結構146緊密夾持，可使接地區 132e與電路板外罩144之凸狀結構146直接且緊密地接 觸’而達到接地的效果。 由上述本發明較佳實施例可知，本發明之一優點就是因 (； 為本發明之液晶顯示器可僅利用膠框之塑膠材質具有彈性 的特性，而加以設計膠框之外型以形成具有彈性效果之彈壓 件，如此一來即可利用此彈壓件之彈性對印刷電路板施加壓 力，迫使印刷電路板之接地區與導電之前框或背框緊密接 . 合，進而使印刷電路板達到良好接地之效果。 • 由上述本發明較佳實施例可知，本發明之另一優點就是 因為本發明之液晶顯示器僅透過對膠框之外型設計即可壓 制印刷f路板而使其達到有效接地，完全無需使用額外的導 地媒介。因此’不僅可減少零件成本，更可降低液晶顯示器 17 200903076 電路板之利用 之組裝複雜度，有效提高組裝效率，提高印刷 效率’進一步降低液晶顯示器之生產成本。 由上述本發明較佳實施例 因為本發明之液晶顯示器僅藉 可使印刷電路板之接地區確實 步獲得良好接地效果。 可知，本發明之又一優點就是 由設計前框與背板之結構，即 與前框或背板直接接觸，進一 由上述本發明較佳實施例可知，本發明之 因為本發明之液晶顯示器可單單透 糂^ .、144' covers and protects the printed circuit board i2〇e as shown in Figures 7A and 7B. The circuit board cover 144 includes at least a convex structure 146, wherein the convex structure 146 can be formed by stamping the outer side toward the inner side of the circuit board cover 144' to form a structure projecting from the inner side of the circuit board cover 144. The position of the convex structure 146 is the area η where the printed circuit board 12 is connected. Correspondingly, to suppress the printed circuit board! M , , , ^_ • w 电 UUe, so that the printed circuit board 12 〇e 16 200903076 connection area 132e and the backplane l 〇 6 bottom plate 112. In this way, the grounding region 132e of the printed circuit board 120e can be directly and closely contacted with the bottom plate 112 of the backing plate 106 to achieve the grounding effect. In another embodiment, the location of the area 132e of the printed circuit board 120e can be changed to be disposed on the lower side of the printed circuit board 12〇e, thereby causing the connection area 132e to become corresponding to the convex structure 146 of the circuit board cover i44. And the contact with the convex structure 146 is in the opposite direction. In addition, the material of the circuit board cover 144 is metal, which can effectively isolate the electromagnetic interference (EMI) effect C to facilitate the grounding effect of the interface 132e of the printed circuit board 120e via the circuit board cover 144. Moreover, the position of the convex structure 146 of the circuit board cover ι44 is preferably corresponding to the protrusion 丨48 of the bottom plate 丨2 of the back plate '6. Thus, the printed circuit board 12〇e can be the protrusion of the bottom plate. The 148 is tightly clamped to the convex structure 146 of the circuit board cover 144, so that the connection region 132e can directly and closely contact the convex structure 146 of the circuit board cover 144 to achieve the grounding effect. According to the preferred embodiment of the present invention, one of the advantages of the present invention is that (the liquid crystal display of the present invention can be flexibly made only by the plastic material of the plastic frame, and the plastic frame is designed to have elasticity. The elastic member of the effect, so that the elasticity of the elastic member can be used to apply pressure to the printed circuit board, forcing the connection area of the printed circuit board to be closely connected with the conductive front frame or the back frame, thereby achieving good grounding of the printed circuit board. The effect of the present invention is as follows. According to the preferred embodiment of the present invention, another advantage of the present invention is that the liquid crystal display of the present invention can be pressed and printed to achieve effective grounding only by designing the outer frame of the plastic frame. There is no need to use additional conductive media at all, so 'not only reduce the cost of parts, but also reduce the assembly complexity of the use of the LCD panel 17 200903076 circuit board, effectively improve the assembly efficiency and improve the printing efficiency' to further reduce the production cost of the liquid crystal display. According to the preferred embodiment of the present invention described above, since the liquid crystal display of the present invention can only be printed, The connection area of the road board does have a good grounding effect. It is understood that another advantage of the present invention is that the structure of the front frame and the back plate are designed to be in direct contact with the front frame or the back plate, and the preferred embodiment of the present invention is further It can be seen that the liquid crystal display of the present invention can be used alone.
早還過結構攻計來使背板與 電路板外罩之相對區域上均具有突出結構，因此印刷電路板 之接地區可透過這些突出結構而與f板或電路板外罩達到 穩當接觸’進而使印刷電路板與外界形成可靠的接地。 由上述本發明較佳實施例可知，本發明之再—優點就是 =本發明之液晶顯示器的印刷電路板可與外界形成良好 接地，因此可有效解決電磁波干擾的問題。 、雖然本發明已以—較佳實施例揭露如上，然其並非用以 限定本發明，任何在此技術領域中具有通常知識者，在不脫 ^本發明之精神和範圍内，當可作各種之更動㈣飾，因此 本發明之保護範圍當視後附之巾請專利範圍所界定者為準。 【圖式簡單說明】 第1圖係繪示依照本發明 示器之立體剖面圖。 較佳實施例的一種液晶顯 第2圖係綠示依昭太路 _ _ '、、、發月較佳實施例的一種液晶顯 不盗之外圍部分的放大剖面圖。 第3圖係緣示依昭太路日曰H . 、、、發月另一較佳實施例的一種液晶 18 200903076 顯示器之外圍部分的放大剖面圖。 一第4圖係繪示依照本發明又一較佳實施例的一種液晶 顯示器之膠框的彈壓件肖印刷電路板的冑分放大剖面圖。 示 τ及力订—平父佳貫施例的一種只 框的彈壓件與印刷電路板的部分放大剖面圖 顯示器之膠 較佳實施例的一種液晶 較佳實施例的一種液晶 第6圖係繪示依照本發明再一 顯示器之外圍部分的放大剖面圖。The structural attack has been made to have a protruding structure on the opposite side of the backboard and the circuit board cover, so that the connection area of the printed circuit board can achieve stable contact with the f-board or the circuit board cover through these protruding structures, thereby making printing The circuit board forms a reliable ground with the outside world. It is apparent from the above-described preferred embodiments of the present invention that the printed circuit board of the liquid crystal display of the present invention can form a good grounding with the outside world, thereby effectively solving the problem of electromagnetic wave interference. The present invention has been disclosed in the above-described preferred embodiments, and is not intended to limit the present invention. Any person having ordinary skill in the art can make various kinds without departing from the spirit and scope of the present invention. Modifications (4), therefore, the scope of protection of the present invention is subject to the scope of the patent application. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective cross-sectional view showing a device in accordance with the present invention. A liquid crystal display of the preferred embodiment is an enlarged cross-sectional view of a peripheral portion of a preferred embodiment of the liquid crystal display of the preferred embodiment of the present invention. Fig. 3 is an enlarged cross-sectional view showing a peripheral portion of a display of another liquid crystal display of a preferred embodiment of the Japanese, Hiroshi, H., and. Figure 4 is a cross-sectional enlarged cross-sectional view showing a spring printed circuit board of an elastic member of a plastic frame of a liquid crystal display according to another preferred embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT - A frame-shaped elastic member of a flat-panel embodiment and a partially enlarged cross-sectional view of a printed circuit board. A liquid crystal according to a preferred embodiment of a preferred embodiment of a liquid crystal. Shown is an enlarged cross-sectional view of a peripheral portion of still another display in accordance with the present invention.
第7 Α圖係繪示依照本發明再一 顯示器之外圍部分的放大剖面圖。 第7B圖係繪 示第7A圖之液晶顯示器之背面的上視圖。Figure 7 is an enlarged cross-sectional view showing a peripheral portion of still another display in accordance with the present invention. Fig. 7B is a top view showing the back side of the liquid crystal display of Fig. 7A.
主要元件符號說明】 1〇〇 :液晶顯示器 102 :背光模組 104 :光源組 106a :背板 10 8 .液晶面板模組 112 .底板 114a :侧板 116 :前框 116b *前框 118a :凸狀結構 120a :印刷電路板 120c :印刷電路板 12 0 e .印刷電路板 100a :液晶顯示器 102a :背光模組 106 :背板 106b :背板 110 :光學薄膜組 114 :侧板 114b :側板 116a :前框 11 8 :凸狀結構 120 :印刷電路板 120b ··印刷電路板 120d :印刷電路板 122 :膠框 19 200903076 122a :膠框 122b 122c :膠框 124 ： 126 :彈壓件 126a 126b :彈壓件 126c 128 :第一部分 128a 128b :第一部分 128c 130 :第二部分 130b 130c :第二部分 132 ： 1 3 2 a :接地區 132b 13 2 c :接地區 132d 13 2 e :接地區 134 ： 136 :軟性電路板 138 ： 140 :導光板 142 ： 144 :電路板外罩 146 ： 148 :突起部 :膠框 放大部分 :彈壓件 :彈壓件 :勾狀結構 :第一部分 :第二部分 接地區 .接地區 •接地區 反射片 突起部 光源反射罩 凸狀結構 ί 20Main component symbol description] 1〇〇: liquid crystal display 102: backlight module 104: light source group 106a: back plate 10 8 . liquid crystal panel module 112. bottom plate 114a: side plate 116: front frame 116b * front frame 118a: convex Structure 120a: Printed circuit board 120c: Printed circuit board 120 e. Printed circuit board 100a: Liquid crystal display 102a: Backlight module 106: Back plate 106b: Back plate 110: Optical film set 114: Side plate 114b: Side plate 116a: Front Box 11 8 : convex structure 120 : printed circuit board 120b · printed circuit board 120d : printed circuit board 122 : plastic frame 19 200903076 122a : plastic frame 122b 122c : plastic frame 124 : 126 : elastic member 126a 126b : elastic member 126c 128: first portion 128a 128b: first portion 128c 130: second portion 130b 130c: second portion 132: 1 3 2 a: interface region 132b 13 2 c: interface region 132d 13 2 e: interface region 134: 136: flexible circuit Plate 138 : 140 : Light guide plate 142 : 144 : Circuit board cover 146 : 148 : Projection : Plastic frame enlargement part : Spring pressure piece : Spring pressure piece : Hook structure : Part 1 : Second part connection area . Connection area • Connection area Reflective sheet protrusion light Source reflector convex structure ί 20