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TWM412379U - Bottom type backlight module - Google Patents

Bottom type backlight module Download PDF

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Publication number
TWM412379U
TWM412379U TW100208226U TW100208226U TWM412379U TW M412379 U TWM412379 U TW M412379U TW 100208226 U TW100208226 U TW 100208226U TW 100208226 U TW100208226 U TW 100208226U TW M412379 U TWM412379 U TW M412379U
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TW
Taiwan
Prior art keywords
backlight module
light
type backlight
direct
direct type
Prior art date
Application number
TW100208226U
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Chinese (zh)
Inventor
Chung-Chih Lin
Ming-Hsi Wang
Ho-Cheng Wang
Chun-Chang Chiu
Ching-Yu Chou
Original Assignee
Top Victory Invest Ltd
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Publication date
Application filed by Top Victory Invest Ltd filed Critical Top Victory Invest Ltd
Priority to TW100208226U priority Critical patent/TWM412379U/en
Publication of TWM412379U publication Critical patent/TWM412379U/en

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Description

M412379 五、新型說明: [0001] [0002] [0003]M412379 V. New Description: [0001] [0002] [0003]

[0004] 【新型所屬之技術領域】 本創作是關於一種背光模組,特別是關於—種加強 校準、定位,且容易組裝的直下式背光模組。 【先前技術】 近年來,傳統的陰極射線管顯示器(即俗稱的CRT顯 示器)已漸漸地被液晶顯禾器所取代’主要原因在於液 晶顯示器所釋放出的輻射量遠遠小於CRT顯示器,另外, 液晶顯示器在這幾年的製造成本已有顯著地降低,這也 是液晶顯示器逐漸成為電視或電腦螢幕市場之主流的原 因。此外,因為液晶顯示器較傳統上使用陰極射線管的 電視更加輕、薄,因此,在火車站、醫院、便利商店或 電影院等公共場所,都可以發現越來越多的液晶顯示器 ,該液晶顯示器不但可用於訊息的顯示,還可用於廣告 的目的,其商業上的應用可說是越來越廣泛。 液晶顯示器可區分為液晶面板及背光模組兩大部份 ,而背光模組通常會按照螢幕的大小尺寸而分別使用直 下式背光模組或侧邊式背光模組。而’在大尺寸的液晶 顯示器市場裏,直下式的背光模組顯然才足夠能提供較 明亮的光源。 傳統上,直下式背光模組係在其内部設置有多個燈 源,然而,多個燈源間的組裝、對位是極為消耗工時, 也因為該燈源的數量較多,體積較小,因此也極容易出 錯;故造成重工率提升,或者組裝後的直下式背光模組 表單编號A0101 第3頁/共19頁 [0005]M412379 之光學品味不良,非常不理想。 因此,如何改善傳統直下式背光模組的多個燈源的 安裝、對位問題,使其具有防呆的效果,進而使生產線 的工人快速的組裝,並減少出錯率,用以降低工時、重 工率,提昇組裝工廠的獲利,這是本領域具有通常知識 者努力的目標。 [0006] [0007] [0008] [0009] 【新型内容】 本創作主要目的在改善傳統直下式背光模組的多個 燈源的安裝、對位問題,使其具有防呆的效果。 本創作另一目的在使直下式背光模組之生產線的工 人快速組裝,減少出錯率,用以降低工時、重工率,提 昇組裝工廠的獲利。 為了達成上述目的,本創作提供一種直下式背光模 組,該直下式背光模組包括有一擴散板、至少一光學膜 、至少一燈源、一反射片及一背板;其中,該擴散板包 括有一出光面及一入光面,該出光面與該入光面分別位 於該擴散板的相對應兩面;該光學膜位於該擴散板的出 光面側;該燈源位於該擴散板的入光面側,且在朝向該 擴散板方向處設置有多個發光二極體;該反射片設置於 該燈源與該擴散板之間,且該反射片上設置有多個貫通 的穿透孔,該發光二極體與該穿透孔相對應而可置於該 穿透孔内;該背板上設置有至少一對位槽,該燈源與該 對位槽相對應而可置於該對位槽内。 如上所述的直下式背光模組,其中,該燈源的數目 表單編號A0101 第4頁/共19’頁 [0010] 為多個,且多個燈源間透過至少一連接排線而連接,該 連接排線可為軟排線(Flat Flexible Cable,FFC)或 軟式印刷電路裝置(Flexible Printed Circuit, FPC)。 如上所述的直下式背光模組,其中,該連接排線與 該對位槽相對應而可置於該對位槽内。 [0011] 如上所述的直下式背光模組,其中,該燈源更包括 有一印刷電路板(Printed Circuit Board,PCB),多 個發光二極體係設置於該印刷電路板的其中一面。 [0012] 如上所述的直下式背光模組,其中,該直下式背光 模組更包括有一反射框,該反射框設置於該燈源或該擴 散板的側邊,該反射框内側塗佈有白色塗料或反射塗層 〇 [0013] 如上所述的直下式背光模組,其中,該直下式背光 模組更包括有一反射框,該反射框設置於該燈源或該擴 散板的側邊,該反射框延伸有一結合部,該結合部可與 該背板相耦接;在較佳實施例中,該結合部可透過卡合 、貼合或螺絲鎖合而耦接於該背板的側邊;當耦接後, 該結合部可位於該直下式背光模組的最外側。 [0014] 如上所述的直下式背光模組,其中,該對位槽的數 目為多個,且多個對位槽互相連通。 藉此,本創作所提供之直下式背光模組,可以改善 傳統直下式背光模組的多個燈源的安裝、對位問題,使 其具有防呆的效果,進而使生產線的工人快速的組裝, 表單編號A0101 第5頁/共19頁 [0015] [0016] 並減少出錯率,用以降低工時、重工率,提昇組裝工廠 的獲利’具有龐大的商業利益。 為使熟悉該項技藝人士瞭解本創作之目的'特徵及 功效,茲藉由下述具體實施例,並配合所附之圖式,對 本創作詳加說明如後。 【實施方式】 [0017] 請參閱圖1,圊1所繪示為本創作直下式背光模組的 應用不意圖。如圖1所示,一直下式背光模組1〇,其係設 置於一前框11與一液晶面板12的下方,該直下式背光模 組10可用以作為一背光源;一般而言,該直下式背光模 組10、前框11與液晶面板12,即是組成一液晶顯示器1的 最基本元件。當該直下式背光模組1〇朝上射出光線之後 ,人們即可由該液晶顯示器丨的前方(即圖丨的上方)看到 該液晶面板12所呈現的視訊影像。為了使該液晶顯示器1 呈現出明亮、均勻與色彩鮮明的對比,該直下式背光模 組10必須要能朝上射出均勻混光、出光視角具有足夠之 光強度的光線》為達此一效果,該直下式背光模組10包 括有一擴散板105、一光學膜104、多個燈源108、一反 射片107、一背板1〇9及一反射框1〇6。其中,該擴散板 105包括有一出光面ι〇5Β及一入光面ι〇5Α,該出光面 105B位於該擴散板1〇5的上面,該入光面i〇5A位於該擴 散板105的下面,因此該出光面i〇5B與該入光面105A分 別位於該擴散板1〇5的相對應兩面。該光學膜1〇4位於該 擴散板105的出光面105B側;一般而言,該光學膜1〇4可 以是一增亮膜(Brightness Enhancing Film,BEF), 表單编號A0101 第6頁/共19頁 M412379 但若為了使該直下式背光模組10具有更好的光學混光效 果’ 4光學膜104當然也可以是至少一增亮膜與至少一擴 散膜(diffusive film)的組合。該燈源1〇8位於該擴散 板105的入光面105A側(即位於該擴散板1〇5的下方),且 在朝向該擴散板105方向處設置有多個發光二極體 l〇81(Light Emitted Diode,LED),使該些發光二極 體1081可以將射出的光線往圖1的上方投射。該反射片 107設置於該燈源108與該擴散板1〇5之間,且該反射片 107上設置有多個上下貫通的穿透孔1〇71,每一發光二極 體1081均與一穿透孔1071呈上下相對應。該背板1〇9上 設置有多個對位槽1091,每一燈源1〇8均分別與一對位槽 1091呈上下相對應。 [0018] 請同時參閱圖卜圖3,圖2所繪示為本創作直下式背 光模組的燈源及發光二極體的示意圖,圖3所繪示為本創 作直下式背光模組的燈源及發光二極體的放大圖。在較 佳實施例中’該燈源108的數目為多個,且多個燈源1 〇8 間透過至少一連接排線1086而連接,該連接排線1086可 為軟排線(Flat Flexible Cable,FFC)或軟式印刷電 路裝置(Flexible Printed Circuit,FPC);如此, 該直下式背光模組1 〇才能提供足夠的亮度。每一燈源1 更包括有一印刷電路板l〇82(Printed Circuit Board ,PCB),多個發光二極體i〇81係設置於該印刷電路板 1 0 8 2的其中一面。 [0019] 請同時參閲圖1與圖4,圖4所繪示為本創作直下式背 光模組的背板及對位槽的示意圖。該對位槽1091的數目 表單編號Α0101 第7頁/共19頁 M412379 為多個’且多個對位槽ίο91係互相連通。如圖1所示,因 為該燈源108與該對位槽1091呈上下相對應,該連接排線 1 086亦與該對位槽1091呈上下相對應,故每一燈源1〇8 均可置於一對位槽1091内,每一連接排線1 086亦可置於 一對位槽1091内》 [0020] 請同時參閲圖1與圖5,圖5所繪示為本創作直下式背 光模組的剖面示意圖。該反射框1〇6設置於該燈源1〇8與 該擴散板105的側邊,且該反射框1〇6内側塗佈有白色塗 料或反射塗層。如圖5的剖面圖所示,該反射框1〇6延伸 有一結合部1064,該結合部1 064可與該背板109相耦接 ;其耦接時,該結合部1 064可透過卡合、貼合或螺絲鎖 合等方式而耦接於該背板1〇9的左右兩側邊。當耦接後, 該結合部1064可位於該背板1〇9與該燈源1〇8之間。再來 ,如圖2〜圖4所示,當該直下式背光模組1〇工廠的組裝工 人在組裝時,將該些燈源1〇8置於該背板1〇9的多個對位 槽1091内,即可準確地安裝、設置,無需浪費多餘的工 時實施對位的工作,也可降低出錯的機率,因此重工、 重新組裝的狀況將不再發生,故該背板1〇9上的對位槽 1091即具有防呆的功效。接下來,如圓!與圖5所示將 该背板109與該反射片1〇7對齊,使多個發光二極體1〇81 分別朝上對準多個穿透孔1〇71,並將多個發光二極體 1081置於多個穿透孔1071内,如此,該燈源1〇8的印刷 電路板1 082即可抵住該反射片1〇7的下方,多個發光二極 體1081所射出的光線即可朝上射出,並由該入光面—A 進入该擴散板105内。此外,因為該反射片1〇7與該反射 表單編號A0101 第8頁/共19頁 M412379 框106的内側係塗佈有白色塗料或反射塗層,所以在該反 射片107與該擴散板105間的光線即可被反射,並且完全 地由該入光面105A進入該擴散板105内,因此不會有光能 量損失。藉此,本創作的直下式背光模組10,即可改善 傳統多個燈源108的安裝、對位問題,其藉由防呆的效果 ,而使生產線的工人快速的組裝,並減少出錯率,用以 降低工時、重工率,提昇組裝工廠的獲利;非常實用。 [0021] 本創作還有其他實施例。請參閱圖6,圖6所繪示為[0004] [Technical Field] The present invention relates to a backlight module, and more particularly to a direct-lit backlight module that is reinforced, calibrated, and easily assembled. [Prior Art] In recent years, conventional cathode ray tube displays (commonly known as CRT displays) have gradually been replaced by liquid crystal displays. The main reason is that the amount of radiation emitted by liquid crystal displays is much smaller than that of CRT displays. The manufacturing cost of liquid crystal displays has been significantly reduced in recent years, which is why liquid crystal displays have gradually become the mainstream of the television or computer screen market. In addition, since liquid crystal displays are lighter and thinner than conventional TVs using cathode ray tubes, more and more liquid crystal displays can be found in public places such as train stations, hospitals, convenience stores, or movie theaters. It can be used for the display of messages, and can also be used for advertising purposes, and its commercial applications can be said to be more and more extensive. The liquid crystal display can be divided into two parts: a liquid crystal panel and a backlight module. The backlight module usually uses a direct backlight module or a side backlight module according to the size of the screen. And in the large-size LCD market, the direct-lit backlight module is clearly enough to provide a brighter light source. Traditionally, the direct-lit backlight module has a plurality of light sources disposed therein. However, the assembly and alignment between the plurality of light sources is extremely time-consuming, and the number of the light sources is large and the volume is small. Therefore, it is also extremely easy to make mistakes; therefore, the rework rate is increased, or the assembled direct-type backlight module form number A0101 page 3/19 pages [0005] M412379 has poor optical taste, which is not ideal. Therefore, how to improve the installation and alignment problems of multiple light sources of the conventional direct type backlight module, so as to have a foolproof effect, thereby enabling the workers of the production line to quickly assemble and reduce the error rate, thereby reducing the working hours, The rework rate and the profitability of the assembly plant are the goals of those who have the usual knowledge in this field. [0006] [0009] [0009] The main purpose of this creation is to improve the installation and alignment of multiple light sources of a conventional direct-lit backlight module, so as to have a foolproof effect. Another purpose of this creation is to quickly assemble the workers of the direct-lit backlight module production line, reduce the error rate, reduce the working hours, the rework rate, and increase the profitability of the assembly plant. In order to achieve the above object, the present invention provides a direct-lit backlight module, which includes a diffusing plate, at least one optical film, at least one light source, a reflective sheet, and a back sheet; wherein the diffusing plate includes a light emitting surface and a light incident surface, the light emitting surface and the light incident surface are respectively located on opposite sides of the diffusing plate; the optical film is located on the light emitting surface side of the diffusing plate; the light source is located on the light incident surface of the diffusing plate a plurality of light emitting diodes disposed at a side of the diffusing plate; the reflective sheet is disposed between the light source and the diffusing plate, and the reflective sheet is provided with a plurality of through holes, the light emitting The diode is disposed in the through hole corresponding to the through hole; the back plate is provided with at least one pair of bit grooves, and the light source is corresponding to the alignment groove and can be placed in the alignment groove Inside. The direct type backlight module as described above, wherein the number of the light source forms No. A0101, the fourth page, the total number of 19' pages [0010] is plural, and the plurality of light sources are connected through at least one connecting cable. The connection cable can be a Flexible Flexible Cable (FFC) or a Flexible Printed Circuit (FPC). The direct type backlight module as described above, wherein the connection cable is disposed in the alignment groove corresponding to the alignment groove. [0011] The direct type backlight module as described above, wherein the light source further comprises a printed circuit board (PCB), and a plurality of light emitting diode systems are disposed on one side of the printed circuit board. [0012] The direct-type backlight module as described above, wherein the direct-lit backlight module further includes a reflective frame disposed on a side of the light source or the diffusing plate, and the inner side of the reflective frame is coated A white paint or a reflective coating layer [0013] The direct-lit backlight module further includes a reflection frame disposed on a side of the light source or the diffusion plate. The reflection frame is coupled to the back plate. The coupling portion is coupled to the back plate. In the preferred embodiment, the coupling portion is coupled to the side of the back plate by snapping, fitting or screwing. When coupled, the joint portion may be located at an outermost side of the direct type backlight module. [0014] The direct type backlight module as described above, wherein the number of the alignment grooves is plural, and the plurality of alignment grooves communicate with each other. Therefore, the direct-lit backlight module provided by the present invention can improve the installation and alignment problems of multiple light sources of the conventional direct-lit backlight module, so as to have a foolproof effect, thereby enabling the assembly line workers to quickly assemble. , Form No. A0101 Page 5 of 19 [0015] [0016] and reduce the error rate, to reduce the hours of work, heavy work, and improve the profitability of the assembly plant 'has a huge commercial interest. In order to familiarize the skilled person with the purpose and function of the purpose of the creation, the present invention will be described in detail by the following specific embodiments and with the accompanying drawings. [Embodiment] [0017] Please refer to FIG. 1 , which illustrates the application of the direct-lit backlight module. As shown in FIG. 1 , the backlight module 1 is disposed under a front frame 11 and a liquid crystal panel 12 , and the direct backlight module 10 can be used as a backlight; generally, the The direct type backlight module 10, the front frame 11 and the liquid crystal panel 12 are the most basic components constituting a liquid crystal display 1. After the direct-lit backlight module 1 emits light upward, the video image presented by the liquid crystal panel 12 can be seen from the front of the liquid crystal display (ie, above the image). In order to make the liquid crystal display 1 show a bright, uniform and vivid contrast, the direct-lit backlight module 10 must be able to emit light with uniform light intensity and sufficient light intensity for the light-emitting viewing angle to achieve this effect. The direct type backlight module 10 includes a diffusion plate 105, an optical film 104, a plurality of light sources 108, a reflection sheet 107, a back plate 1〇9, and a reflection frame 1〇6. The diffusing plate 105 includes a light emitting surface 〇5Β and a light incident surface 〇5Α, and the light emitting surface 105B is located above the diffusing plate 1〇5, and the light incident surface i〇5A is located under the diffusing plate 105. Therefore, the light-emitting surface i〇5B and the light-incident surface 105A are respectively located on opposite sides of the diffusion plate 1〇5. The optical film 1〇4 is located on the light emitting surface 105B side of the diffusion plate 105; in general, the optical film 1〇4 may be a brightness enhancement film (BEF), Form No. A0101 Page 6 / Total 19 pages M412379 However, in order to make the direct type backlight module 10 have a better optical light mixing effect, the optical film 104 may of course be a combination of at least one brightness enhancing film and at least one diffusive film. The light source 1〇8 is located on the light incident surface 105A side of the diffusion plate 105 (that is, below the diffusion plate 1〇5), and a plurality of light emitting diodes 81 are disposed at a direction toward the diffusion plate 105. (Light Emitted Diode, LED), the light-emitting diodes 1081 can project the emitted light to the top of FIG. The reflection sheet 107 is disposed between the light source 108 and the diffusion plate 1〇5, and the reflection sheet 107 is provided with a plurality of penetrating holes 1〇71 penetrating through the upper and lower sides, and each of the light emitting diodes 1081 is The penetration holes 1071 correspond to each other. The back plate 1〇9 is provided with a plurality of alignment grooves 1091, and each of the light sources 1〇8 corresponds to the pair of the bit grooves 1091, respectively. [0018] Please refer to FIG. 3 at the same time, FIG. 2 is a schematic diagram of the light source and the light-emitting diode of the direct-lit backlight module, and FIG. 3 is a view of the light of the direct-lit backlight module. A magnified view of the source and the light-emitting diode. In the preferred embodiment, the number of the light sources 108 is plural, and the plurality of light sources 1 and 8 are connected through at least one connecting cable 1086. The connecting cable 1086 can be a flexible flexible cable (Flat Flexible Cable). , FFC) or Flexible Printed Circuit (FPC); thus, the direct type backlight module 1 〇 can provide sufficient brightness. Each of the light sources 1 further includes a printed circuit board (PCB), and a plurality of light emitting diodes (LCDs) are disposed on one side of the printed circuit board 108. [0019] Please refer to FIG. 1 and FIG. 4 at the same time. FIG. 4 is a schematic diagram of the back plate and the alignment groove of the original direct-type backlight module. The number of the registration slots 1091 Form No. Α0101 Page 7 of 19 M412379 is a plurality of 'and a plurality of alignment slots ίο91 are connected to each other. As shown in FIG. 1 , since the light source 108 and the alignment slot 1091 correspond to each other, the connection cable 1 086 also corresponds to the alignment slot 1091, so each light source 1 〇 8 can be It is placed in a pair of bit slots 1091, and each connecting cable 1 086 can also be placed in a pair of bit slots 1091. [0020] Please refer to FIG. 1 and FIG. 5 at the same time, and FIG. 5 shows the original direct type. A schematic cross-sectional view of a backlight module. The reflection frame 1〇6 is disposed on the side of the light source 1〇8 and the diffusion plate 105, and the inside of the reflection frame 1〇6 is coated with a white paint or a reflective coating. As shown in the cross-sectional view of FIG. 5, the reflective frame 1 is extended by a joint portion 1064. The joint portion 1 064 can be coupled to the back plate 109. When coupled, the joint portion 1 064 can be engaged. The left and right sides of the backboard 1〇9 are coupled to each other by a fitting or screwing. When coupled, the joint portion 1064 can be located between the back plate 1〇9 and the light source 1〇8. Then, as shown in FIG. 2 to FIG. 4, when the assembly workers of the direct type backlight module 1 factory are assembled, the light sources 1〇8 are placed in a plurality of alignments of the back plates 1〇9. In the slot 1091, it can be accurately installed and set, and the work of the alignment can be performed without wasting extra work time, and the probability of error can be reduced. Therefore, the situation of rework and reassembly will not occur anymore, so the backplane 1〇9 The upper alignment groove 1091 has a foolproof effect. Next, like a circle! Aligning the back plate 109 with the reflection sheet 1〇7 as shown in FIG. 5, and aligning the plurality of light-emitting diodes 1〇81 upward with the plurality of penetration holes 1〇71, respectively, and the plurality of light-emitting diodes The body 1081 is disposed in the plurality of penetration holes 1071. Thus, the printed circuit board 1 082 of the light source 1 8 can be pressed against the lower surface of the reflection sheet 1〇7, and the light emitted by the plurality of LEDs 1081 It can be shot upwards and enters the diffuser 105 from the light-incident surface A. In addition, since the reflection sheet 1〇7 and the inside of the reflection sheet No. A0101 page 8/19 page M412379 frame 106 are coated with a white paint or a reflective coating, between the reflection sheet 107 and the diffusion plate 105 The light can be reflected and completely entered into the diffuser 105 from the light incident surface 105A, so that there is no loss of light energy. Therefore, the direct-type backlight module 10 of the present invention can improve the installation and alignment problems of the conventional multiple light sources 108, and the production line workers can be quickly assembled and the error rate can be reduced by the foolproof effect. It is used to reduce the hours of work and heavy work, and to increase the profitability of the assembly plant; it is very practical. [0021] There are other embodiments of the present creation. Please refer to FIG. 6, which is illustrated as

本創作另一實施例直下式背光模組的剖面示意圖。圖6的 直下式背光模組20與一前框21、一液晶面板22即可組裝 成一液晶顯示器2。該直下式背光模組2〇包括有一擴散板 205、一光學膜204、多個燈源208、一反射片207、一背 板209及一反射框206。在此,類似的結構便不再贅述。 其中,本實施例的反射框206呈傾斜狀,且當該結合部 2064與該背板209相耦接後,該結合部2064係位於該直 下式背光模組20的最外側。當然,在較佳實施例中,該 反射框206可為塑膠材質,其重量較輕,製造成本低廉, 不過,本領域具有通常知識者當然也可以將該反射框206 採塑膠以外的材質,例如金屬來製造。 [0022] 綜上所述,本創作所述之直下式背光模組,可以改 善傳統直下式背光模組的多個燈源的安裝、對位問題, 使其具有防呆的效果,進而使生產線的工人快速的組裝 ,並減少出錯率,用以降低工時、重工率,提昇組裝工 廠的獲利,具有龐大的商業利益。 [0023] 雖然本創作已以具體實施例揭露如上,然其所揭露 表單編號A0101 第9頁/共19頁 M412379 的具體實施例並非用以限定本創作,任何熟悉此技藝者 ,在不脫離本創作之精神和範圍内,當可作各種之更動 與潤飾,其所作之更動與潤飾皆屬於本創作之範疇,本 創作之保護範圍當視後附之申請專利範圍所界定者為準 〇 【圖式簡單說明】 [0024] 圖1所繪示為本創作直下式背光模組的應用示意圖。 [0025] 圖2所繪示為本創作直下式背光模組的燈源及發光二極體 的示意圖。 [0026] 圖3所繪示為本創作直下式背光模組的燈源及發光二極體 的放大圖。 [0027] 圖4所繪示為本創作直下式背光模組的背板及對位槽的示 意圖。 [0028] 圖5所繪示為本創作直下式背光模組的剖面示意圖。 [0029] 圖6所繪示為本創作另一實施例直下式背光模組的剖面示 意圖。 【主要元件符號說明】 [0030] 1、2 :液晶顯示器 [0031] 10、20 :直下式背光模組 [0032] 104、204 :光學膜 [0033] 105 ' 205 :擴散板 [0034] 105A :入光面 表單編號A0101 第10頁/共19頁 M412379Another cross-sectional view of a direct type backlight module of another embodiment of the present invention. The direct type backlight module 20 of FIG. 6 and a front frame 21 and a liquid crystal panel 22 can be assembled into a liquid crystal display 2. The direct type backlight module 2 includes a diffusion plate 205, an optical film 204, a plurality of light sources 208, a reflection sheet 207, a back plate 209, and a reflection frame 206. Here, similar structures will not be described again. The reflection frame 206 of the embodiment is inclined, and when the bonding portion 2064 is coupled to the back plate 209, the bonding portion 2064 is located at the outermost side of the direct type backlight module 20. Of course, in the preferred embodiment, the reflective frame 206 can be made of a plastic material, which is light in weight and low in manufacturing cost. However, those skilled in the art can of course use the reflective frame 206 for materials other than plastic, for example. Made of metal. [0022] In summary, the direct type backlight module described in the present invention can improve the installation and alignment problems of multiple light sources of the conventional direct type backlight module, so as to have a foolproof effect, thereby enabling the production line. The rapid assembly of workers and the reduction of error rates are used to reduce the hours of work, the rate of rework, and the profitability of assembly plants, which have enormous commercial interests. [0023] Although the present invention has been disclosed above in the specific embodiments, the specific embodiment of the form number A0101, page 9 / 19 pages M412379 is not intended to limit the present creation, and anyone skilled in the art will not be deviated from the present disclosure. Within the spirit and scope of creation, when various changes and retouchings can be made, the changes and refinements made by them are within the scope of this creation. The scope of protection of this creation is subject to the definition of the patent application scope attached to it. Brief Description of the Model [0024] FIG. 1 is a schematic view showing the application of the direct-lit backlight module. [0025] FIG. 2 is a schematic diagram of a light source and a light emitting diode of the present direct type backlight module. 3 is an enlarged view of a light source and a light emitting diode of the present direct type backlight module. [0027] FIG. 4 is a schematic view of the back plate and the alignment groove of the original direct type backlight module. [0028] FIG. 5 is a cross-sectional view showing the backlight module of the present invention. 6 is a cross-sectional view showing a direct type backlight module according to another embodiment of the present invention. [Main component symbol description] [0030] 1, 2: liquid crystal display [0031] 10, 20: direct type backlight module [0032] 104, 204: optical film [0033] 105 '205: diffusion plate [0034] 105A: Glossy Form No. A0101 Page 10 of 19 M412379

[0035] [0036] [0037] [0038] [0039] [0040] [0041] [0042] [0043] [0044] [0045] [0046] [0047] 1 0 5 B :出光面 106 ' 206 :反射框 1 064、2064 :結合部 107、 207 :反射片 1071 :穿透孔 108、 208 :燈源 1081 :發光二極體 1 082 :印刷電路板 1 086 :連接排線 109、 209 :背板 1091 :對位槽 11、 2Γ:前框 12、 22 :液晶面板 表單編號A0101 第11頁/共19頁[0037] [0038] [0038] [0040] [0044] [0044] [0044] [0046] [0047] [0047] 1 0 5 B: light-emitting surface 106 '206: Reflection frame 1 064, 2064: bonding portion 107, 207: reflection sheet 1071: penetration hole 108, 208: lamp source 1081: light-emitting diode 1 082: printed circuit board 1 086: connection cable 109, 209: back plate 1091 : Registration groove 11, 2: Front frame 12, 22: LCD panel form No. A0101 Page 11 of 19

Claims (1)

M412379 :、申請專利範圍: 1 . 一種直下式背光模組,其包括: 一擴散板,該擴散板包括有一出光面及一入光面,該出光 面與該入光面分別位於該擴散板的相對應兩面; 至少一光學膜,該光學膜位於該擴散板的出光面側; 至少一燈源,該燈源位於該擴散板的入光面側,且在朝向 該擴散板方向處設置有多個發光二極體; 一反射片,該反射片設置於該燈源與該擴散板之間,且該 反射片上設置有多個貫通的穿透孔,該發光二極體與該穿 透孔相對應而可置於該穿透孔内; 一背板,該背板上設置有至少一對位槽,該燈源與該對位 槽相對應而可置於該對位槽内。 2.如申請專利範圍第1項所述直下式背光模組,其中,該燈 源的數目為多個,且多個燈源間透過至少一連接排線而連 接,該連接排線可為軟排線(Flat Flexible Cable, FFC)或軟式印刷電路裝置(Flexible Printed Ci rcui t,FPC)。 3 .如申請專利範圍第1項所述直下式背光模組,其中,該連 接排線與該對位槽相對應而可置於該對位槽内。 4.如申請專利範圍第1項所述直下式背光模組,其中,該燈 源更包括有一印刷電路板(Printed Circuit Board, PCB),多個發光二極體係設置於該印刷電路板的其中一 面。 5 .如申請專利範圍第1項所述直下式背光模組,其中,該直 下式背光模組更包括有一反射框,該反射框設置於該燈源 100208226 表單編號A0101 第12頁/共19頁 1002027082-0 M412379 或該擴散板的侧邊。 6 .如申請專利範圍第5項所述直下式背光模組,其中,該反 射框内側塗佈有白色塗料或反射塗層。 7.如申請專利範圍第5項所述直下式背光模組,其中,該反 射框延伸有一結合部,該結合部可與該背板相耦接。 8 .如申請專利範圍第7項所述直下式背光模組,其中,該結 合部透過卡合、貼合或螺絲鎖合而耦接於該背板的側邊。 9.如申請專利範圍第7項所述直下式背光模組,其中,當耦 接後,該結合部位於該直下式背光模組的最外側。 10 .如申請專利範圍第1項所述直下式背光模組,其中,該對 位槽的數目為多個,且多個對位槽互相連通。 1002027082-0 100208226 表單編號A0101 第13頁/共19頁M412379: Patent application scope: 1. A direct type backlight module, comprising: a diffusing plate, the diffusing plate includes a light emitting surface and a light incident surface, wherein the light emitting surface and the light incident surface are respectively located on the diffusing plate Corresponding to two sides; at least one optical film, the optical film is located on the light emitting surface side of the diffusing plate; at least one light source, the light source is located on the light incident surface side of the diffusing plate, and is disposed at a direction toward the diffusing plate a light-emitting diode; a reflective sheet disposed between the light source and the diffusing plate, wherein the reflective sheet is provided with a plurality of penetrating through holes, and the light-emitting diode is opposite to the penetrating hole Correspondingly, it can be placed in the through hole; a back plate is disposed on the back plate with at least one pair of bit grooves, and the light source can be placed in the alignment groove corresponding to the alignment groove. 2. The direct-lit backlight module of claim 1, wherein the number of the light sources is plural, and the plurality of light sources are connected through at least one connecting cable, and the connecting cable can be soft. Flat Flexible Cable (FCC) or Flexible Printed Citrus (FPC). 3. The direct type backlight module of claim 1, wherein the connection cable is disposed in the alignment groove corresponding to the alignment groove. 4. The direct-lit backlight module of claim 1, wherein the light source further comprises a printed circuit board (PCB), wherein the plurality of light-emitting diode systems are disposed in the printed circuit board. one side. 5. The direct-lit backlight module of claim 1, wherein the direct-lit backlight module further comprises a reflective frame disposed on the light source 100208226. Form No. A0101 Page 12 of 19 1002027082-0 M412379 or the side of the diffuser. 6. The direct type backlight module of claim 5, wherein the inside of the reflective frame is coated with a white paint or a reflective coating. 7. The direct type backlight module of claim 5, wherein the reflective frame extends with a joint portion, the joint portion being coupled to the back plate. 8. The direct type backlight module of claim 7, wherein the bonding portion is coupled to a side of the backing plate by snapping, fitting or screwing. 9. The direct type backlight module of claim 7, wherein the coupling portion is located at an outermost side of the direct type backlight module when coupled. 10. The direct type backlight module of claim 1, wherein the number of the alignment grooves is plural, and the plurality of alignment grooves are connected to each other. 1002027082-0 100208226 Form No. A0101 Page 13 of 19
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI422926B (en) * 2011-11-01 2014-01-11 Wistron Corp Portable electronic device, plane display device and backlight module

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI422926B (en) * 2011-11-01 2014-01-11 Wistron Corp Portable electronic device, plane display device and backlight module

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