201027178 六、發明說明： 【發明所屬之技術領域】 本發明係有關於一種液晶顯示裝置，尤指一種於外框 設置翼型片，且搭配軟性印刷電路板具有接地墊之舌片設 計，可有效提供靜電放電防護作用，且其結構簡單、製造 成本低之液晶顯示裝置。 【先前技術】 液晶顯示裝置由於具有外型輕薄、耗電量少以及低輻 射污染等特性，被廣泛地應用在手機、筆記型電腦、個人 數位助理與薄型平面電視等資訊產品，但由於電子裝置薄 形化為時勢所趨，且需支援支功能繁多，導致靜電放電 (ESD，Electrostatic Discharge)問題日益增加。 請參閱第一圖所示一種習知液晶顯示裝置之背面結 構，該液晶顯示裝置10包含一第一框體11以及一第二框 體12，該第一框體11及該第二框體12通常採用具有導電 性之金屬材質，於該第一框體11内設有一背光模組13， 於該背光模組13與該第一框體11之間設有一液晶面板（圖 中未示出），該液晶面板電性連接於一軟性印刷電路板14， 該軟性印刷電路板14係反折並貼靠於該背光模組13，並 透過雙面膠帶15將該軟性印刷電路板14固定黏站於該背 光模組13，以避免該軟牲印刷電路板14反麵；於該軟性 印刷電路板14朝向該第二框體12之一面設有二接地塾 (GNDPad)141，該接地塾141係由該軟性印刷電路板14裸 201027178 露部份之導電層所形成，並於該第二框體12對應該接地墊 141位置設有一彈片ι21，該彈片ι21係與該第二框體12 一體成型’將該第二框體12罩設於該第一框體η時，該 彈片121可與該接地墊141接觸，並將靜電導引至該液晶 顯不裝置10外’藉此達到靜電放電防護作用。惟上述結構 所存在之缺點在於： I適用於圖示該軟性印刷電路板反折至液晶顯示模組 ❹ 背面之結構，無法應用於平攤凸伸於液晶顯示裝置外 之軟性印刷電路板。 背框(亦即第-圖所示該第二框體12)之 框曰。曰’τ ’然而並非所有液晶顯示裝置均設有背 、該彈片121容易因為彈性 站 坪改疲乏、變形或成型不良等原 因而導致與該接地墊u 叉/ 護作用。 W接觸不良，影響靜電放電防 ❹ 【發明内容】 有鑪於習知技術之缺失， 置之結構，於外框設置翼型片 地墊之舌片設計，可有效提供 構簡單、製造成本低。 本發明提出一種液晶顯示裝 各配軟性印刷電路板具有接 靜電放電防護作用，且其結 為達到上述目的，本發明 μ -壯里 包含_肉& $月棱出一種液晶顯不裝置 二板=一背光模組、1晶面板以及-外框’ 内框内，該液晶面板電 刷電路板该軟性印刷電路板設有至少 201027178 片’該舌片具有至少一接地塾，於該外框設有至少一翼型 片，該外框及翼型片係採用導電材質，且該翼型片之位置 . 係對應於該舌片之位置，該外框係罩設於該内框外部，該 背光模組及液晶面板被夾設於該外框及内框之間，該軟性 印刷電路板係凸伸於該内框及外框之外，該翼型片壓抵於 该舌片表面，且該翼型片與該接地塾接觸形成電性導通。 為使貴審查委員對於本發明之結構目的和功效有更 進一步之瞭解與認同，茲配合圖示詳細說明如後。 Ο 【實施方式】 以下將參照隨附之圖式來描述本發明為達成目的所使 用的技術手段與功效，而以下圖式所列舉之實施例僅為辅 助說明，以利貴審查委員暸解，但本案之技術手段並不限 於所列舉圖式。 ' °月參閱第二圖至第四圖所示本發明實施例結構圖，該 液晶顯示裝置30包含一内框31 ’該内框31係由一底框面 31U顯示於第四圖）以及設置於該底框面311周緣之複數 底框侧板312a〜d構成，於該底框面311設有—透空部 3111，先於該内板31内設置一背光模組33(顯示於第四 圖），該背光模組33可外露於該底框面311之該透空部 3曰 111，再於該背光模組33頂面疊設一液晶面板34，該液 =板34電性連接一軟性印刷電路板35，該軟性印刷電 &有f5係凸伸於該内框31外部，於該軟性印刷電路板35 二舌片351，該舌片犯1具有一尾端3511，該尾端3511 ’、、〜軟性印刷電路板35分離，必須說明的是，該舌片 201027178 3 51之尺寸、形狀及其成型方式並無限制，本實施例係於 該軟性印刷電路板35設置一概呈” U”型之透空槽352而 . 形成該呈矩形之舌片351，於該舌片351之尾端3511設有 一第一接地墊353a，且於該舌片351約中段位置設有一第 二接地墊353b，該第一接地墊353a、第二接地墊353b為 該軟性印刷電路板35裸露部份之導電層所形成。 其次’該液晶顯示裝置30更包含一外框32，該外框 32係由一頂框面321以及設置於該頂框面321周緣之複數 ❿ 外框侧板322a〜d構成，於該頂框面321設有一透空部 3211，該外框32之其中一外框侧板322a對應於該軟性印 刷電路板35凸伸位置設有一凹槽3221，於該凹槽3221設 有一翼型片323,該翼型片323之位置係對應於該軟性印 刷電路板35之舌片351位置，該翼型片323具有一長度， 該長度之延伸方向L與該液晶面板34之表面概呈垂直’該 翼型片322及該外框32係採用導電材質，且該該翼型片 323可與該外框32 —體成型，此外，於該翼型片323之中 參 段設有一凸出結構3231，該凸出結構3231係為一由該翼 型片323之内侧面凸起之圓球面結構，其作用將說明於後。 如第二圖所示，該外框32與該内框31之間設有可相 互卡合之卡鉤324及鉤槽313，將該外框32罩設於該内框 31外部，且透過對應位置之卡鉤324及鉤槽313相互鉤設’ 可使該外框32及該内框31相互結合’如第三圖及第四圖 所示態樣，且將該背光模組33以及該液晶面板34夾设於 該外框32及該内框31之間，該液晶面板34可顯露於該透 空部3211，且該軟性印刷電路板35係凸伸於該内框31及 201027178 外框32之凹槽3221外，同時，該翼型片323壓制於該舌 片351表面，使該舌片351依循該翼型片323之長度延伸 方向L彎折，以供該翼型片323可與該第一接地墊353a、 第二接地墊353b接觸，且該凸出結構3231對應於該第二 接地墊353b。 請參閱第四圖至第六圖所示，於該内框31對應於該翼 型片323之位置設有一凹部314 ,將該翼型片323朝向該 背光模組33之一面反折，該翼型片323可壓制於該舌片 參 351，並將該舌片351、該第一接地墊353a夾合於該翼型 片323與該内框31之該凹部314之間’同時該凸出結構 3231可頂抵於該第二接地墊353b(如第六圖所示），而該舌 片351、第一接地墊353a以及該翼型片323厚度之總和不 大於該凹部314之深度’以避免翼型片323頂面凸出該底 框面311 ;另外，由於該翼型片323係與該外框幻一體成 型’且具有導電性’而該第一接地塾353a、第二接地整353b 為該軟性印刷電路板35裸露部份之導電層所形成’因此， ❹ 藉由該翼型片323與該第一接地墊353a、第二接地墊353b 接觸形成電性導通，可將該軟性電路板35之靜電導引至該 外框32 ’達到靜電保護作用。 綜上所述，本發明提供之液晶顯示裝置，於外框設置 翼型片搭配軟性印刷電路板之具有接地墊之舌片設計，確 實可有效提供靜電放電防護作用，且其結構簡單、製造成 本低。 惟以上所述者，僅為本發明之實施例而已，當不能以 之限定本發明所實施之範圍。即大凡依本發明申請專利範 201027178 圍所作之均等變化與修飾，皆應仍屬於本發明專利涵蓋之 範圍内，謹請貴審查委員明鑑，並祈惠准，是所至禱。 ❹ 9 201027178 【圖式簡單說明】 第一圖係習知液晶顯示裝置之背面結構立體圖。 第二圖係本發明實施例之正面結構分解立體圖。 第三圖係第二圖實施例之正面結構組合立體圖 第四圖係第二圖實施例之背面結構組合立體圖 第五圖係第二圖實施例彎折翼型片之結構示意圖。 第六圖係第五圖之A-A剖面結構圖。 參 【主要元件符號說明】 先前技術： 10-液晶顯示裝置 Π-第一框體 12- 第二框體 121-彈片 13- 背光模組 A 14-軟性印刷電路板 藝 141-接地墊（GND Pad) 15-雙面膠帶. 本發明： 30- 液晶顯示裝置 31- 内框 311_底框面 3111-透空部 201027178 312a〜d-底框侧板 313- 鉤槽 314- 凹部 32- 外框 321-頂框面 3211-透空部 322a〜d-外框侧板 3221-凹槽201027178 VI. Description of the Invention: [Technical Field] The present invention relates to a liquid crystal display device, and more particularly to a tongue-shaped sheet provided with an airfoil sheet in an outer frame and a soft printed circuit board having a grounding pad, which is effective A liquid crystal display device which has an electrostatic discharge protection function and is simple in structure and low in manufacturing cost. [Prior Art] Liquid crystal display devices are widely used in information products such as mobile phones, notebook computers, personal digital assistants, and thin flat-panel TVs due to their thinness, low power consumption, and low radiation pollution. The thinning is the trend of the times, and the support functions are numerous, resulting in an increasing problem of electrostatic discharge (ESD). Referring to the back view of a conventional liquid crystal display device shown in FIG. 1 , the liquid crystal display device 10 includes a first frame 11 and a second frame 12 , and the first frame 11 and the second frame 12 . A backlight module 13 is disposed in the first housing 11 , and a liquid crystal panel (not shown) is disposed between the backlight module 13 and the first housing 11 . The liquid crystal panel is electrically connected to a flexible printed circuit board 14 . The flexible printed circuit board 14 is folded back and abuts against the backlight module 13 , and the flexible printed circuit board 14 is fixedly adhered through the double-sided tape 15 . The backlight module 13 is disposed on the reverse side of the flexible printed circuit board 14; the flexible printed circuit board 14 is disposed on one side of the second frame 12 with two grounding GND pads 141. The flexible printed circuit board 14 is formed by a conductive layer of the exposed portion of the soft printed circuit board 14 , and a spring piece ι 21 is disposed at a position corresponding to the grounding pad 141 of the second frame 12 , and the elastic piece ι 21 is integrally formed with the second frame 12 . 'When the second frame 12 is placed on the first frame n, the The elastic piece 121 can be in contact with the ground pad 141 and guide the static electricity to the outside of the liquid crystal display device 10 to thereby achieve electrostatic discharge protection. However, the above-mentioned structure has the disadvantages that: I is suitable for illustrating the structure in which the flexible printed circuit board is folded back to the back of the liquid crystal display module, and cannot be applied to a flexible printed circuit board which is spread out of the liquid crystal display device. The frame of the back frame (that is, the second frame 12 shown in Fig. - is shown).曰'τ ‘ However, not all liquid crystal display devices are provided with a back, and the elastic piece 121 is liable to cause a fork/protection effect with the ground pad due to fatigue, deformation, or poor molding of the elastic station. W is in poor contact and affects electrostatic discharge prevention. [Invention] There is a lack of conventional technology in the furnace. The structure of the airfoil is provided in the outer frame, which can effectively provide a simple structure and low manufacturing cost. The invention provides a flexible printed circuit board for liquid crystal display device having electrostatic discharge protection function, and the knot thereof achieves the above object, and the invention has a liquid crystal display device. = a backlight module, a crystal panel, and an outer frame, the liquid crystal panel circuit board, the flexible printed circuit board is provided with at least 201027178 pieces, the tongue has at least one grounding layer, and the outer frame is provided There is at least one airfoil piece, the outer frame and the airfoil piece are made of a conductive material, and the position of the airfoil piece corresponds to the position of the tongue piece, and the outer frame cover is disposed outside the inner frame, the backlight mode The set and the liquid crystal panel are sandwiched between the outer frame and the inner frame, the flexible printed circuit board protrudes beyond the inner frame and the outer frame, the airfoil sheet is pressed against the surface of the tongue, and the wing The chip contacts the ground 形成 to form electrical conduction. In order to enable the reviewing committee to have a better understanding and approval of the structural purpose and efficacy of the present invention, the detailed description is as follows. [Embodiment] Hereinafter, the technical means and effects of the present invention for achieving the object will be described with reference to the accompanying drawings, and the embodiments listed in the following drawings are only for the purpose of explanation, so that the reviewer understands, but the case The technical means are not limited to the illustrated figures. Referring to the second to fourth figures, a structural view of an embodiment of the present invention is shown. The liquid crystal display device 30 includes an inner frame 31 'the inner frame 31 is displayed by a bottom frame surface 31U in the fourth figure) and is set. The bottom frame side plates 312a-d of the bottom frame surface 311 are formed, and the bottom frame surface 311 is provided with a transparent portion 3111. A backlight module 33 is disposed in the inner plate 31 (shown in the fourth The backlight module 33 is exposed to the transparent portion 3曰111 of the bottom frame surface 311, and a liquid crystal panel 34 is stacked on the top surface of the backlight module 33. The liquid=board 34 is electrically connected to the backlight module 33. a flexible printed circuit board 35, the flexible printed circuit & has a f5 system protruding outside the inner frame 31, and the flexible printed circuit board 35 has a tongue piece 351 having a trailing end 3511, the tail end 3511 ', ~ ~ soft printed circuit board 35 is separated, it must be noted that the size, shape and molding manner of the tongue 201027178 3 51 are not limited, and the embodiment is provided on the flexible printed circuit board 35. The U"-shaped hollow groove 352 forms a rectangular tongue 351, and a first end 3511 of the tongue 351 is provided with a first Ground pad 353a, and at about the middle position of the tongue 351 is provided with a second ground pad 353b, the first ground pad 353a, 353b for the second ground pad 35 of the exposed portion of the conductive layer of the flexible printed circuit board is formed. Next, the liquid crystal display device 30 further includes an outer frame 32, which is composed of a top frame surface 321 and a plurality of outer frame side plates 322a to 322 disposed on the periphery of the top frame surface 321 at the top frame. The surface 321 is provided with a hollow portion 3211. One of the outer frame side plates 322a of the outer frame 32 is provided with a recess 3221 corresponding to the protruding position of the flexible printed circuit board 35. The air gap 323 is disposed in the recess 3221. The position of the airfoil piece 323 corresponds to the position of the tongue 351 of the flexible printed circuit board 35. The airfoil piece 323 has a length, and the extending direction L of the length is substantially perpendicular to the surface of the liquid crystal panel 34. The profiled piece 322 and the outer frame 32 are made of a conductive material, and the airfoil piece 323 can be integrally formed with the outer frame 32. Further, a protruding structure 3231 is disposed in the airfoil piece 323. The protruding structure 3231 is a spherical surface structure which is convex from the inner side surface of the airfoil piece 323, and its function will be described later. As shown in the second figure, a hook 324 and a hook groove 313 that can be engaged with each other are disposed between the outer frame 32 and the inner frame 31, and the outer frame 32 is disposed outside the inner frame 31, and correspondingly The hook 324 and the hook groove 313 are hooked to each other to enable the outer frame 32 and the inner frame 31 to be combined with each other, as shown in the third and fourth figures, and the backlight module 33 and the liquid crystal are The panel 34 is interposed between the outer frame 32 and the inner frame 31. The liquid crystal panel 34 is exposed to the transparent portion 3211, and the flexible printed circuit board 35 protrudes from the inner frame 31 and the 201027178 outer frame 32. The airfoil piece 323 is pressed against the surface of the tongue piece 351, so that the tongue piece 351 is bent along the length extending direction L of the airfoil piece 323, so that the airfoil piece 323 can be The first ground pad 353a and the second ground pad 353b are in contact, and the protruding structure 3231 corresponds to the second ground pad 353b. Referring to the fourth to sixth figures, a recess 314 is defined in the inner frame 31 corresponding to the airfoil 323, and the airfoil 323 is folded toward the side of the backlight module 33. The tab 323 can be pressed against the tab 351, and the tab 351 and the first ground pad 353a are sandwiched between the airfoil 323 and the recess 314 of the inner frame 31 while the protruding structure 3231 can be abutted against the second ground pad 353b (as shown in FIG. 6), and the sum of the thickness of the tongue 351, the first ground pad 353a and the airfoil 323 is not greater than the depth of the recess 314 to avoid The bottom surface of the airfoil 323 protrudes from the bottom surface 311; in addition, since the airfoil 323 is integrally formed with the outer frame and has electrical conductivity, the first grounding 353a and the second grounding 353b are The conductive layer of the exposed portion of the flexible printed circuit board 35 is formed. Therefore, the flexible blade can be electrically connected by the airfoil 323 being in contact with the first ground pad 353a and the second ground pad 353b. The static electricity of 35 is guided to the outer frame 32' to achieve electrostatic protection. In summary, the liquid crystal display device provided by the present invention has the design of the tongue piece with the grounding pad of the airfoil sheet and the flexible printed circuit board in the outer frame, which can effectively provide the electrostatic discharge protection effect, and has the advantages of simple structure and manufacturing cost. low. However, the above description is only for the embodiments of the present invention, and the scope of the invention is not limited thereto. That is to say, the equivalent changes and modifications made by the applicants in accordance with the invention patents 201027178 should still fall within the scope covered by the patents of the present invention. I would like to ask your review committee to give a clear understanding and pray for the best. ❹ 9 201027178 [Simple description of the drawings] The first figure is a perspective view of the back structure of a conventional liquid crystal display device. The second drawing is an exploded perspective view of the front structure of the embodiment of the present invention. The third figure is a perspective view of the front structure of the second embodiment. The fourth figure is a perspective view of the back structure of the second embodiment. The fifth figure is a schematic view of the structure of the bent airfoil of the second embodiment. The sixth figure is a cross-sectional structural view of the A-A of the fifth figure.参 [Main component symbol description] Prior art: 10-Liquid crystal display device 第一 - First frame 12 - Second frame 121 - Spring 13 - Backlight module A 14 - Soft printed circuit board 141 - Ground pad (GND Pad 15 double-sided tape. The present invention: 30- liquid crystal display device 31 - inner frame 311_ bottom frame surface 3111 - through portion 201027178 312a ~ d - bottom frame side plate 313 - hook groove 314 - recess 32 - outer frame 321 - top frame surface 3211 - permeable portion 322a - d - outer frame side plate 3221 - groove
323- 翼型片 3231-凸出結構 324- 卡鉤 33- 背光模組 34- 液晶面板 35- 軟性印刷電路板 351- 舌片 3511_尾端 352- 透空槽 353a-第一接地墊 353b-第二接地墊 L-翼型片長度延伸方向323- airfoil 3231-projection structure 324-hook 33- backlight module 34- liquid crystal panel 35-flexible printed circuit board 351- tongue 3511_tail 352- through slot 353a-first ground pad 353b- Second grounding pad L-wing type length extension direction