200828202 九、發明說明： 【發明所屬之技術領域】 本發明涉及一種顯示裝置，尤其涉及一種具有榮幕防 護功能之顯示裝置。 【先前技術】 隨著多媒體技術之快速發展，平面顯示裝置（包括液 晶顯示裝置、有機發光顯示裝置、電漿顯示裝置及場發射 顯示裝置等）已被越來越廣泛之應用于個人數字助理、筆 記型電腦、數位相機、行動電話、電視等電子産品中。其 中尤其以液晶顯示裝置發展最快，産量最大。 於液晶顯不裝置中，爲使顯示晝面清晰，液晶螢幕需 要保持潔淨。由於習知液晶螢幕直接係由軟質材料構成而 其清洗時-旦被硬物碰撞’就有可能產生不可修復之損傷。 習知技術中，於保持液晶顯示器攜帶方便之前提下， 爲防止液晶螢幕受污染或被硬物碰撞而損傷，有採用一硬 質玻璃板固定於液晶顯示裝置之殼體上作爲螢幕防護。並 \ 且爲便於該液晶顯示裝置之組裝、修復或更換，通常將該 玻璃板固定於該液晶顯示螢幕之前 . 及破璃板與液晶 :間曰遠有工隙。為避免液晶顯示器於剛開始顯干 斧以十 千由於冷熱不均而冷凝於該玻璃板上 產生白務，繼而影響顯示效果，反 然’當該空隙與外界相通時，外界之二:界：亂相通。 空隙而污毕罄篡甘/ 卜界之々染物又容易進入該 障可木榮幕，其仍會影響顯示效果。 【發明内容】 6 200828202 鑒於上述内容，有必要提供一種具有鸯 較好顯示效果之顯示裝置。 心力肊/、 一種顯不裝置，其包括一殼體，一 ，護板。該殼體具有一容置腔，該顯示 内防護板設於該顯示模、組之出光面側： ::有:顯示模組與該透明防護板之間之邊緣處 β又有一孟屬多孔材料透氣層。 -二Γ::Τ，所述顯示裝置包括-透明防護板與 、，屬夕孔材料透氣層，其於開始使用時，由於 ==層使得顯示模組與透明防護板之間之間隙與外界 於該間隙内之水分子可以通過該金屬多孔材料 ，自由進出’繼而可減少水分子碰到透 t上因此可防止過多之水分子因爲冷熱不均而於透明防 。板上嘁結產生白霧。並且，由於金屬 之孔洞曲折，#鹿錄丨v、s M m0 丁十边乱層内 诵之、 a 於確保該間隙與外界相 =下’選可防止外界飛塵等污染物進入該間隙，確 功：：二置之清晰顯示。因此上述顯示裝置具有螢幕防護 力月b與車父好顯示效果之優點。 【實施方式】 二、下面將結合附圖及實施例對顯示裝置做進一步詳細 况明。 、 請參閱圖i與圖2，本發明較佳實施例—之顯示裝置 ^括-液晶顯示模組u，一殼體12，一金屬多孔材料 虱層13及一透明防護板14。殼體12具有一容置腔 200828202 二頂::Γ液晶顯示模組11設於殼體12之容置腔121 防=氣層13可設於液晶顯示模組11與該透明 ^ 《間之邊緣處；本實施例中’金屬多孔材料 層13位於殼體12之頂面122上並與透明防護板14相連。 防4板14用於防護液晶顯示模1且u受到硬物碰 & /、刮k ’其材質可爲玻璃或透明塑膠。 金屬多孔材料透氣層13用於使液晶顯 :”14之間之間隙15與外界空氣相通。金屬多; 4透軋層13包括金屬多孔材料或金屬複合多孔材 如，紹合金多孔材料、鐵合金多孔材料、錄合金多孔材料 及鎮合金多孔材料之一或其組合。金屬多孔材料透氣層Η 之結構可根據環境需要來確定，例如#環境濕度較大時， 可增加金屬多孔材料透氣層13與間㉟15及外界之接觸 面每以利於提高間隙15内之空氣與外界空氣之交換速度。 本具施例中’金屬多孔材料透氣層13之結構爲大小與殼體 相配σ之矩形框’且其上下二側面大體與液晶顯示模組 11及透明防護板14相平行。金屬多孔材料透氣们3可通 過黏膠與殼體12及透明防護板14固定於-起，當然其亦 可通過螺絲螺孔配合結構或卡扣結構與殼冑12及透明防 護板14相固定。 顯示裝置10於開始使用時，由於金屬多孔材料透氣 層13使件液晶顯不模組i i與透明防護板14之間之間隙 15與外界空氣相通，於間隙15内之水分子可以通過金屬 200828202 透上氣V上自由進出，繼而可減少水分子碰到透明 均而於、t ，因此可防止過多之水分子因爲冷熱不 孔材料透明：棱板14上凝結產生白霧。並且，由於金屬多 係由多孔材料形成’其内之孔洞曲折，氣 二〜但飛塵部難以通過，因此於確保間隙15盘外界* 二相：之前提下’還可防止外界飛塵等污染物進入間； 保顯7F裝置顯示清晰。此外’若選用孔徑相對較 ===製備金屬多孔材料透氣層13,其防塵效果還 明參閱圖3，本發明較佳實施例二之顯示 =與顯示裝置i。相似，亦包括一液晶顯示模;; /又體22，一金屬多孔材料透氣層23及一透明防護 =4」其不同點在於：於殼體22之頂® 222之邊緣處形 屬夕丨:緣、2”’凸緣223圍成一第二容置腔（圖未標），金 : 料透氣層23位於該第二容置腔内。金屬多孔材料 礼層23包括一底部23 i與一遠離顯示裝置⑺之顯示中 =之一折彎部232。頂部231與折彎部加相配合圍成一 二二，置腔(圖未標)而將透明防護板24容置其中。由於殼 立22叹有凸緣223與金屬多孔材料透氣層μ具有一折彎 ^ 2 /、可將透明防護板24包圍，因此更有利於牢靠固 疋透明防護板24。 一明芩見圖4,本發明較佳實施例三之顯示裝置3〇。顯 不裝置30與顯示梦罢1rk 1 31 ^ . 置1 〇相似，亦包括一液晶顯示模組 成體32，一金屬多孔材料透氣層33及一透明防護 200828202 板34 ;其不同點在於：於透明防護板34邊緣處設有複數 通孔34卜且複數通孔341位於金屬多孔材料透氣層33之 上方。由於複數通孔341使得孔透氣材料層33具有更多與 外界相連之表面，因此更有利於提高液晶顯示模組31與透 明防護板34之間之間隙35内之空氣與外界 度。可以理解，通孔341内亦可以填充多孔材^ 乂換速 請參閱圖5,本發明較佳實施例四之顯示裝置4〇。顯 示裝置40與顯示裝置1〇相似，亦包括一液晶顯示模組 41 ’ -殼體42 ’-金屬多孔材料透氣層43及—透明防護 板44;其不同點在於：金屬多孔材料透氣層43由複數多 孔透氣單元43! ’ 432構成，多孔透氣單元州， 採用不同之形狀；本實施例中，多孔透氣單元叫，… :條將金屬多孔材料透氣層43分成複數透氣單元 ，有利於根據環境濕度要求選用 =成金屬多孔材料透氣層43。此外，可 = 僅由-個透氣單元-構成但 夕透氣單元431之殼體42盥透明防,# 處，要用其他材料來做支撐以保持透明防護板44方^ 44 代，二解二:液；顯示模組可用其他之‘替 W风七九顯不模組、等離子 不杈組等，即上述殼 料、讀射顯 置及場發射有機發光顯示裝置、等離子顯示袭 知上所述，本發明符合發明專利要件，爰依法提出專 10 200828202 明之較佳實施方式，本 限’舉凡熟悉本案技藝 之專效修飾或變化，皆 利申請。惟，以上所述者僅為本發 發明之範圍並不以上述實施方式^ 之人士，於援依本案發明精神所作 應包含於以下之申請專利範圍内。 【圖式簡單說明】 圖1係本發明顯示裝置齡伟告^ g。 衣罝？乂佳Λ細例一之立體分解示意 圖2係圖1所示顯示裝置組裝後之剖面示意圖。 圖3係本叙明顯示裝置較佳實施例二之剖面示意圖。 圖4係本發明顯示裝置較佳實施例三之剖面示意圖。 圖5係本發明顯示裝置較佳實施例四之立體分解示意 ° 【主要元件符號說明】 (本發明） 10 、 20 、 30 、 40 11 、 21 、 31 、 41 111 12 、 22 ' 32 、 42 121 122 - 222 223 13、23、33、43 231 顯示裴置 液晶顯示模組 出光面 殼體 各置腔 頂面 凸緣 =屬多孔材料透氣層 底部 11 200828202 折彎部 232 多孔透氣單元 431 、 432 透明防護板 14 > 24 > 34 、 44 通孔 341 間隙 15 > 35 12200828202 IX. Description of the Invention: [Technical Field] The present invention relates to a display device, and more particularly to a display device having a screen protection function. [Prior Art] With the rapid development of multimedia technology, flat display devices (including liquid crystal display devices, organic light emitting display devices, plasma display devices, field emission display devices, etc.) have been more and more widely used in personal digital assistants, In electronic products such as notebook computers, digital cameras, mobile phones, and televisions. Among them, liquid crystal display devices have the fastest development and the largest output. In the liquid crystal display device, in order to make the display surface clear, the liquid crystal screen needs to be kept clean. Since the conventional liquid crystal screen is directly composed of a soft material and is washed by a hard object when it is cleaned, it is possible to cause irreparable damage. In the prior art, before the liquid crystal display is kept portable, in order to prevent the liquid crystal screen from being contaminated or damaged by the collision of a hard object, a hard glass plate is fixed on the casing of the liquid crystal display device as a screen protection. And in order to facilitate the assembly, repair or replacement of the liquid crystal display device, the glass plate is usually fixed before the liquid crystal display screen, and the glass plate and the liquid crystal are far apart. In order to avoid the liquid crystal display at the beginning of the dry axe to ten thousand due to uneven heat and condensation and condensation on the glass plate to produce white matter, and then affect the display effect, of course, when the gap is connected with the outside world, the outside world: Indiscriminate. The gaps are filthy and the smudges of the scorpion are easy to enter the barrier, which can still affect the display. SUMMARY OF THE INVENTION 6 200828202 In view of the above, it is necessary to provide a display device having a better display effect. A force device, a display device, comprising a housing, a shield. The housing has a receiving cavity, and the inner protective plate is disposed on the side of the light emitting surface of the display die and the group: :: there is: a boundary between the display module and the transparent protective plate, and a porous material Breathable layer. - 二Γ::Τ, the display device comprises a transparent protective plate and a gas permeable layer of a matte material, which, when initially used, causes a gap between the display module and the transparent protective plate and the outside due to the == layer The water molecules in the gap can pass through the metal porous material, and can freely enter and exit, which in turn can reduce the water molecules from hitting through, thus preventing excessive water molecules from being transparently prevented due to uneven heat and cold. The knot on the board produces white fog. Moreover, due to the tortuousness of the metal hole, #鹿录丨v, s M m0 十 边 边 乱 、 、 、 、 、 、 、 、 、 、 、 于 确保 确保 , , , , , , , , , , , , , , , , , , , , , , Confirmed:: Clear display of two sets. Therefore, the above display device has the advantages of the screen protection force b and the good display effect of the vehicle owner. [Embodiment] 2. The display device will be further described in detail below with reference to the accompanying drawings and embodiments. Referring to FIG. 1 and FIG. 2, a display device according to a preferred embodiment of the present invention includes a liquid crystal display module u, a casing 12, a metal porous material layer 13 and a transparent shield 14. The housing 12 has a receiving cavity 200828202. The top surface of the liquid crystal display module 11 is disposed on the edge of the liquid crystal display module 11 and the transparent layer. The metal porous material layer 13 is located on the top surface 122 of the casing 12 and is connected to the transparent shield 14 in this embodiment. The anti-4 plate 14 is used to protect the liquid crystal display module 1 and the u is subjected to a hard object collision & /, scraping k '. The material may be glass or transparent plastic. The metal porous material gas permeable layer 13 is used to make the liquid crystal display: the gap 15 between the 14 is communicated with the outside air. The metal is more; 4 the through-rolling layer 13 comprises a metal porous material or a metal composite porous material such as a porous material of a porous alloy or a porous iron alloy. One or a combination of materials, alloy porous materials and town alloy porous materials. The structure of the metal porous material gas permeable layer 可 can be determined according to environmental needs, for example, when the environmental humidity is large, the porous metal material gas permeable layer 13 can be increased. The contact surface of 3515 and the outside is beneficial to increase the exchange speed between the air and the outside air in the gap 15. In the embodiment, the structure of the metal porous material gas permeable layer 13 is a rectangular frame of the size σ with the shell and the upper and lower sides thereof The two sides are substantially parallel to the liquid crystal display module 11 and the transparent protective plate 14. The porous metal material 3 can be fixed to the housing 12 and the transparent protective plate 14 by adhesive, and of course, it can also be screwed through the screw hole. The structure or the buckle structure is fixed to the shell 12 and the transparent shield 14. When the display device 10 is initially used, the liquid crystal display is made of the metal porous material gas permeable layer 13 The gap 15 between the module ii and the transparent shielding plate 14 communicates with the outside air, and the water molecules in the gap 15 can pass through the metal 200828202 through the upper air V, thereby reducing the water molecules to encounter the transparent uniformity, t Therefore, it is possible to prevent excessive water molecules from being transparent due to the hot and cold non-porous material: white matter is condensed on the rib 14 and, because the metal is formed of a porous material, the hole therein is tortuous, and the gas is difficult to pass. Therefore, to ensure that the gap 15 outside the disk * two phases: before the 'received' can also prevent outside dust and other pollutants into the room; Bao Xian 7F device display clear. In addition, if the choice of aperture is relatively === preparation of porous metal materials breathable The layer 13 has a dustproof effect. Referring to FIG. 3, the display of the preferred embodiment 2 of the present invention is similar to the display device i. Also includes a liquid crystal display mode; a body 22, a metal porous material gas permeable layer 23 and A transparent protection = 4" is different in that: at the edge of the top of the housing 22 222, the shape of the ridge: the edge, the 2"' flange 223 encloses a second accommodating cavity (not shown), gold : the material gas permeable layer 23 is located in the second The metal porous material layer 23 includes a bottom portion 23i and a display portion away from the display device (7) = one of the bent portions 232. The top portion 231 and the bent portion are combined to form a two-two, cavity ( The transparent protective plate 24 is accommodated therein. Since the shell 22 sighs the flange 223 and the metal porous material gas permeable layer μ has a bend ^ 2 /, the transparent shield 24 can be surrounded, which is more advantageous The transparent transparent protective plate 24 is firmly fixed. As shown in Fig. 4, the display device 3 of the preferred embodiment 3 of the present invention is similar to the display device 1rk 1 31 ^ . The display mold body 32, a metal porous material gas permeable layer 33 and a transparent protective 200828202 plate 34; the difference is that a plurality of through holes 34 are provided at the edge of the transparent shield 34 and the plurality of through holes 341 are located in the porous metal material. Above the gas permeable layer 33. Since the plurality of through holes 341 allow the hole permeable material layer 33 to have more surfaces connected to the outside, it is more advantageous to increase the air and the outside in the gap 35 between the liquid crystal display module 31 and the transparent shield 34. It can be understood that the through hole 341 can also be filled with a porous material. Referring to FIG. 5, the display device 4 of the fourth preferred embodiment of the present invention. The display device 40 is similar to the display device 1A, and includes a liquid crystal display module 41'-case 42'-a porous metal material gas permeable layer 43 and a transparent protective plate 44; the difference is that the metal porous material gas permeable layer 43 is composed of The plurality of porous gas permeable units 43! '432 constitutes a porous gas permeable unit state, adopting different shapes; in the present embodiment, the porous gas permeable unit is called, ...: the strip is divided into a plurality of gas permeable layers 43 into a plurality of gas permeable units, which is favorable for the environment humidity. It is required to select a gas permeable layer 43 of a porous metal material. In addition, it can be composed only of - one venting unit - but the casing 42 of the venting unit 431 is transparent, and at other places, it is supported by other materials to keep the transparent protective plate 44, the second solution: Liquid; display module can be used for other 'for W wind seven nine display module, plasma non-defective group, etc., that is, the above shell material, read-and-shoot display and field emission organic light-emitting display device, plasma display attack, as described above, The invention complies with the requirements of the invention patent, and according to the law, the preferred embodiment of the special 10 200828202 is proposed according to the law, and the application of the special effect modification or change of the skill of the present invention is applied. However, those who have only described the scope of the present invention and the above embodiments are not included in the scope of the invention as set forth in the following claims. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a diagram showing the age of the display device of the present invention. Clothing? BRIEF DESCRIPTION OF THE DRAWINGS Fig. 2 is a schematic cross-sectional view showing the assembled display device of Fig. 1. 3 is a cross-sectional view showing a preferred embodiment of the display device of the present invention. Figure 4 is a cross-sectional view showing a preferred embodiment 3 of the display device of the present invention. Figure 5 is a perspective exploded view of a preferred embodiment 4 of the display device of the present invention. [Main component symbol description] (Invention) 10, 20, 30, 40 11 , 21 , 31 , 41 111 12 , 22 ' 32 , 42 121 122 - 222 223 13,23,33,43 231 Display the liquid crystal display module light-emitting surface shell top surface flange = the porous material breathable layer bottom 11 200828202 bend 232 porous ventilation unit 431, 432 transparent Shield 14 > 24 > 34, 44 Through Hole 341 Clearance 15 > 35 12