M345258 第097205856號專利申請案 m 中文說明書替換本（97年6月） 八、新型說明： 【新型所屬之技術領域】 本創作係關於一種直下式背光模組之盒座，詳言之，係 關於一種全塑化之直下式背光模組之盒座。 【先前技術】 參考圖1及2，分別顯示習知直下式背光模組之分解及組 合示意圖。並參考圖3及4，分別顯示圖2之習知直下式背 光模組沿著線3-3及線4-4之剖視示意圖。該習知直下式背 光模組1包括一盒座2、一擴散板11及一發光源12。該盒座 2包括一本體21及一反射層22。該本體21具有一金屬底座 211及二塑膠側壁212。該金屬底座211包括一基底2111及 二延伸壁2112，該等延伸壁2112係由該基底2111之二側邊 向上延伸。通常該金屬底座211係由一金屬片沖壓而成。 該等塑膠側壁212係分別固設於該基底2111之另外二側 邊’且連接該等延伸壁2112,使得該本體21形成一四方體 ’ 外形。該等塑膠側壁212、該基底2111及該等延伸壁2112 - 定義出一容納空間23，以容納該發光源12。該發光源12係 為複數根冷陰極螢光燈管（CCFL)。 該反射層22係位於該等塑膠側壁212、該基底2111及該 等延伸壁2112面向該容納空間23之表面上，用以反射該發 光源12所發出之光線。 該習知直下式背光模組1之使用狀態如下，該發光源12 所發出之光線之一部分會直接經投射至該擴散板丨丨，經過 M345258 第097205856號專利申請案 中文說明書替換本（97年6月） ”" 擴散混光後投射至一液晶面板3。而另一部份光線則會投 射在該盒座2上，經由該盒座2内之該反射層22反射至該擴 散板11 ’經過擴散混光後投射至該液晶面板3。 在該習知直下式背光模組丨中，該金屬底座211之材質為 金屬，且其面積佔了整個背光模組丨之面積比例相當高， 因此使得該背光模組1之重量無法有效降低。尤其現今之 _ 液晶顯示器之尺寸越來越大，所需之背光模組也較大，因 此整體重量也會越重。 因此，有必要提供一種創新且具進步性的直下式背光模 組之盒座，以解決上述問題。 【新型内容】 本創作提供一種直下式背光模組之盒座，其包括一本體 及一反射層。該本體具有一基底及一環框，該環框係位於 該基底之外圍，且定義出一容納空間，以容納一發光源， .該環框及該基底皆為塑膠材質。該反射層係位於該環框及 忒基底面向該容納空間之表面上，用以反射該發光源所發 出之光線。藉此，由於該盒座之材質皆為塑膠，沒有任何 金屬，因此可以有效減輕整體重量。 【實施方式】 參考圖5，顯示本創作直下式背光模組之較佳實施例之 分解示意圖。參考圖6及7，分別顯示圖5之本創作直下式 背光模組組合後沿著線6_6及線7_7之剖視示意圖。本創作 之直下式背光模組4包括一盒座5、一擴散板41及一發光源 M345258 第097205856號專利申請案 中文說明書替換本（97年6月） έ ? 42。該盒座5包括一本體51及一反射層52。 該本體51具有一基底511及一環框512。該環框512係位 於該基底5 11之外圍，且定義出一容納空間53，以容納一 發光源42。該環框512及該基底511皆為塑膠材質，其二者 之材質可相同或不同。在本實施例中，該環框512及該基 底5 11係為一體成型。較佳地，該本體5 1係利用射出成型 所形成。然而可以理解的是，該環框512及該基底511可以 分別製成後，再組裝成該本體51。該反射層52係位於該環 框5 12及該基底5 11面向該容納空間5 3之表面上，用以反射 該發光源42所發出之光線。 在本實施例中，該基底5 11之外圍係為四個側邊，該環 框5 12係由該等四侧邊向上延伸而形成四側壁，使得該本 體51形成一四方體外形，且該容納空間53係開口朝上。該 反射層52係位於該環框512之四側壁。 > 在本實施例中，該發光源42係為複數根冷陰極螢光燈管 (CCFL)。該環框512具有至少一開孔5121，以供該等冷陰 極螢光管之端部伸出。此外，可以理解的是，該發光源42 也可以是發光二極體（LED)或其他可發光之光源。 該本體51之該塑膠材質係由選自由氟碳樹脂、矽氧樹 月曰、丙烯酸樹脂、醇酸樹脂、苯乙烯系樹脂、聚烯烴系樹 脂、聚碳酸酯樹脂、尼龍系樹脂、聚酯樹脂及其混合物所 組成之群。 較佳地，該本體5 1更添加一補強材，該補強材係選自由 M345258 第097205856號專利申請案 中文說明書替換本（97年6月） ” “ f 碳酸鈣、補強纖維、二氧化鈦、滑石粉、雲母、硫酸鋼、 氧化鋅及其混合物所組成之群。較佳地，為了導電兩 求，該基底511或該環框512更摻雜複數個導電粒子，該等 導電粒子之材質係為導電碳黑或碳纖。或者，另一種導電 方式為，該基底511或該環框512之表面更包括一導電層， 塗佈於該基底或該環框512之表面，且該導電層之材質係 為導電高分子。 該反射層52包括一樹脂基材、一光安定劑（Ught Sabilizer)及一白色反射劑，其中該樹脂基材係選自由丙烯 酸樹脂、聚尿樹脂、環氧樹脂、醇酸樹脂、不飽合聚酿樹 脂及其混合物所組成之群。此外，該樹脂基材可以是水溶 性、油溶性、一液型，或兩液型之樹脂。 該光安定劑係選自由胺類（Amine type)化合物、受阻胺 類（Hindered Amine type)化合物、水楊酸類（saliCyitypeMt 》 合物、三唑甲基苯類（Benzortriazole type)化合物、二苯甲 酮類（Benzopherone type)化合物、金屬鎳（Nickel)螯合物 (Chelate)及其混合物所組成之群。該光安定劑亦為光遮蔽 劑、紫外光吸收劑（UV Absorber)、激發態猝滅劑或自由基 捕獲劑，其係為一具吸收紫外光特性之材料，具有能吸收 波長為400 nm以下之UV的性能，能用於分解UV照射時所 產生的自由基，以避免該樹脂基材被自由基破壞而變質黃 化0 該白色反射劑係選自由二氧化鈦、氧化鋅、碳酸鈣、硫 • M345258 第097205856號專利申請案 θ έ 7 中文說明書替換本（97年6月） 酸鋇、滑石粉及其混合物所組成之群。 在本創作中，該盒座5之製法包括但不限於以下四種。 第一種製法係該本體51及該反射層52係利用雙色射出成型 所形成。亦即依序在一模具中射出該反射層52及本體51， 用以成型出本體51上結合有反射層52之盒座5。 第二種製法係先利用射出成型製得該本體5 1，之後再將 已成型之反射層52薄膜貼合於該本體51上。 第三種製法係先利用射出成型製得該本體5丨，之後再將 該反射層52塗佈於該本體51上。 第四種製法係先將一已成型之反射層52薄膜貼附在一模 • 具内’之後再利用一射出成型機將塑料射出至該模具内以 - 形成一該本體51，同時使得該本體51與該反射層52結合在 一起0 在該直下式背光模組4中，該盒座5之本體51之材質全部 • 為塑膠，沒有任何金屬材質，因此又稱為全塑化之本體 ‘ 5 1。此外，該反射層52亦為塑膠材質，因此該盒座5亦可 _ 稱為全塑化之盒座5，其優點為重量輕。即使現今之液晶 顯示器之尺寸越來越大，所需之背光模組也較大，整體重 量也可以有效控制。 准上这實施例僅為說明本創作之原理及其功效，而非用 以限制本創作。因此，習於此技術之人士對上述實施例進 行Ο改及菱化仍不脫本創4乍之精神。纟創作之權利範圍應 如後述之申請專利範圍所列。 M345258 第097205856號專利申請案 中文說明書替換本（97年6月） ” έ , 【圖式簡單說明】 圖1顯示習知直下式背光模組之分解示意圖； 圖2顯示習知直下式背光模組之組合示意圖； 圖3顯示圖2之習知直下式背光模組沿著線3_3之剖視厂 意圖； 圖4顯示圖2之習知直下式背光模組沿著線4_4之剖視八 意圖； .圖5顯示本創作直下式背光模組之較佳實施例之分解示 意圖； 圖6顯示圖5之本創作直下式背光模組組合後沿著線6 6 之剖視示意圖：及 圖7顯示圖5之本創作直下式背光模組組合後沿著線7 7 之剖視示意圖。 【主要元件符號說明】 1 習知直下式背光模組 2 盒座 3 液晶面板 4 本創作之直下式背光模組 5 盒座 11 擴散板 12 發光源 21 本體 22 V 反射層 23 容納空間 ' M345258 第097205856號專利申請案 中文說明書替換本（97年6月） 41 擴散板 42 發光源 51 本體 52 反射層 53 容納空間 211 金屬底座 212 塑膠側壁 511 基底 512 環框 2111 基底 2112 延伸壁 5121 開孔M345258 Patent Application No. 097205856 m Chinese Manual Replacement (June 97) VIII. New Description: [New Technical Field] This creation is about a type of direct-lit backlight module. In more detail, it is about A fully plasticized direct type backlight module box. [Prior Art] Referring to Figures 1 and 2, there are shown schematic views of the decomposition and combination of the conventional direct type backlight module. Referring to Figures 3 and 4, there are shown schematic cross-sectional views of the conventional direct-type backlight module of Figure 2 taken along line 3-3 and line 4-4. The conventional direct-type backlight module 1 includes a box base 2, a diffuser panel 11, and a light source 12. The housing 2 includes a body 21 and a reflective layer 22. The body 21 has a metal base 211 and two plastic sidewalls 212. The metal base 211 includes a base 2111 and two extending walls 2112 extending upward from the two sides of the base 2111. Usually, the metal base 211 is stamped from a metal sheet. The plastic sidewalls 212 are respectively fixed to the other two sides of the substrate 2111 and are connected to the extension walls 2112 such that the body 21 forms a square shape. The plastic sidewalls 212, the substrate 2111 and the extension walls 2112 - define a receiving space 23 for receiving the illumination source 12. The illumination source 12 is a plurality of cold cathode fluorescent lamps (CCFLs). The reflective layer 22 is disposed on the surface of the plastic sidewall 212, the substrate 2111, and the extending walls 2112 facing the receiving space 23 for reflecting the light emitted by the light source 12. The state of use of the conventional direct-lit backlight module 1 is as follows. A portion of the light emitted by the illumination source 12 is directly projected onto the diffuser plate, and is replaced by the Chinese manual of the patent application No. 097205856 (97). June) "" diffused and diffused and projected onto a liquid crystal panel 3. Another portion of the light is projected onto the casing 2, and the reflective layer 22 in the casing 2 is reflected to the diffusing plate 11 After being diffused and mixed, it is projected onto the liquid crystal panel 3. In the conventional direct type backlight module, the metal base 211 is made of metal, and its area accounts for a relatively high proportion of the entire backlight module. Therefore, the weight of the backlight module 1 cannot be effectively reduced. Especially today, the size of the liquid crystal display is larger and larger, and the required backlight module is larger, so the overall weight is heavier. Therefore, it is necessary to provide a The innovative and progressive straight-type backlight module box is used to solve the above problems. [New content] The present invention provides a box type of a direct type backlight module, which comprises a body and a reflective layer. The main body has a base and a ring frame, and the ring frame is located at the periphery of the base, and defines a receiving space for accommodating a light source. The ring frame and the base are all made of plastic material. The ring frame and the cymbal base face the surface of the accommodating space for reflecting the light emitted by the illuminating source. Therefore, since the material of the box base is plastic and does not have any metal, the overall weight can be effectively reduced. Embodiments Referring to FIG. 5, an exploded view of a preferred embodiment of the present direct-lit backlight module is shown. Referring to FIGS. 6 and 7, respectively, the combination of the original direct-lit backlight module of FIG. 5 is shown along line 6_6 and line. 7-7 is a schematic cross-sectional view of the present invention. The direct-type backlight module 4 of the present invention comprises a box base 5, a diffuser plate 41 and a light source M345258. The patent specification of the patent application No. 097205856 (June 1997) έ 42. The housing 5 includes a body 51 and a reflective layer 52. The body 51 has a base 511 and a ring frame 512. The ring frame 512 is located at the periphery of the base 51 and defines a receiving space 53 for receiving one. The light source 42. The ring frame 512 and the base 511 are made of a plastic material, and the materials of the two are the same or different. In this embodiment, the ring frame 512 and the base 5 11 are integrally formed. The body 51 is formed by injection molding. However, it can be understood that the ring frame 512 and the base 511 can be separately assembled and assembled into the body 51. The reflective layer 52 is located in the ring frame 5 12 And the substrate 5 11 faces the surface of the accommodating space 53 for reflecting the light emitted by the illuminating source 42. In this embodiment, the periphery of the substrate 511 is four sides, and the ring frame 5 The 12 series extends upward from the four sides to form four side walls, such that the body 51 forms a square shape, and the receiving space 53 is open upward. The reflective layer 52 is located on the four side walls of the ring frame 512. > In the present embodiment, the light source 42 is a plurality of cold cathode fluorescent tubes (CCFLs). The ring frame 512 has at least one opening 5121 for the ends of the cold cathode fluorescent tubes to protrude. In addition, it can be understood that the light source 42 can also be a light emitting diode (LED) or other light source that can emit light. The plastic material of the body 51 is selected from the group consisting of fluorocarbon resin, enamel tree, acrylic resin, alkyd resin, styrene resin, polyolefin resin, polycarbonate resin, nylon resin, polyester resin. a group of mixtures thereof. Preferably, the body 51 is further provided with a reinforcing material selected from the Chinese version of the specification of the patent application No. 097205856 (June 1997) "f calcium carbonate, reinforcing fiber, titanium dioxide, talcum powder , a group of mica, sulphuric acid steel, zinc oxide and mixtures thereof. Preferably, in order to conduct electricity, the substrate 511 or the ring frame 512 is further doped with a plurality of conductive particles, and the conductive particles are made of conductive carbon black or carbon fiber. Alternatively, the surface of the substrate 511 or the ring frame 512 further includes a conductive layer applied to the surface of the substrate or the ring frame 512, and the conductive layer is made of a conductive polymer. The reflective layer 52 comprises a resin substrate, a Ught Sabilizer and a white reflective agent, wherein the resin substrate is selected from the group consisting of acrylic resin, polyurethane, epoxy resin, alkyd resin, and unsaturated A group of polymer resins and mixtures thereof. Further, the resin substrate may be a water-soluble, oil-soluble, one-liquid type, or two-liquid type resin. The light stabilizer is selected from the group consisting of an amine (Amine type) compound, a hindered amine (Hindered Amine type) compound, a salicylic acid (saliCyi type Mt) compound, a trizolyl benzene type (Benzortriazole type) compound, and a benzophenone. a group of Benzopherone type compounds, nickel nickel (Chelate) and mixtures thereof. The light stabilizer is also a light shielding agent, a UV Absorber, an excited state quencher. Or a radical scavenger, which is a material that absorbs ultraviolet light characteristics and has the property of absorbing UV having a wavelength of 400 nm or less, and can be used for decomposing free radicals generated during UV irradiation to avoid the resin substrate. Deteriorating yellowing by free radical destruction. The white reflective agent is selected from the group consisting of titanium dioxide, zinc oxide, calcium carbonate, sulfur, and M345258. Patent Application No. 097205856, θ έ 7 Chinese Manual Replacement (June 97), strontium, talc In the present creation, the method of manufacturing the cartridge 5 includes, but is not limited to, the following four types. The first method is that the body 51 and the reflective layer 52 utilize two colors. The forming layer is formed by sequentially exposing the reflecting layer 52 and the body 51 in a mold for forming the box base 5 with the reflecting layer 52 on the body 51. The second method is firstly formed by injection molding. The body 5 1 is then attached to the body 51 of the formed reflective layer 52. The third method first obtains the body 5 by injection molding, and then applies the reflective layer 52 to the body. The fourth method is to first attach a film of the formed reflective layer 52 to a mold, and then use an injection molding machine to project plastic into the mold to form a body 51. At the same time, the body 51 and the reflective layer 52 are combined. In the direct type backlight module 4, the body 51 of the box base 5 is made of plastic, and has no metal material, so it is also called full plasticization. The body '5 1. In addition, the reflective layer 52 is also made of plastic material, so the box base 5 can also be referred to as a fully plasticized box base 5, which has the advantage of being light in weight. Even today, the size of the liquid crystal display is coming. The larger the backlight module is, the larger the overall The quantity can also be effectively controlled. The embodiment is only for explaining the principle and function of the present invention, and is not intended to limit the creation. Therefore, those skilled in the art have not tampered with the above embodiment and have not yet The spirit of the creation of the 乍 乍 纟 纟 纟 纟 纟 纟 纟 纟 M M M M M 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 1 shows an exploded view of a conventional direct type backlight module; FIG. 2 shows a schematic view of a conventional direct type backlight module; FIG. 3 shows a schematic view of the conventional direct type backlight module of FIG. 2 taken along line 3_3; 4 is a cross-sectional view of the conventional direct type backlight module of FIG. 2 taken along line 4_4; FIG. 5 is an exploded perspective view of the preferred embodiment of the present direct type backlight module; FIG. A cross-sectional view along line 66 is created after the combination of the direct-type backlight module is assembled: and FIG. 7 is a cross-sectional view along line 7 7 of the original direct-lit backlight module of FIG. [Main component symbol description] 1 Conventional direct-lit backlight module 2 Box holder 3 LCD panel 4 Direct-type backlight module of this creation 5 Box holder 11 Diffuser plate 12 Light source 21 Body 22 V Reflecting layer 23 Accommodating space ' M345258 097205856 Patent Application Replacement (June 97) 41 Diffuser 42 Light source 51 Body 52 Reflective layer 53 Accommodating space 211 Metal base 212 Plastic side wall 511 Base 512 Ring frame 2111 Base 2112 Extension wall 5121 Opening