[go: up one dir, main page]

TWM358322U - Edge lighting back light module - Google Patents

Edge lighting back light module Download PDF

Info

Publication number
TWM358322U
TWM358322U TW98201635U TW98201635U TWM358322U TW M358322 U TWM358322 U TW M358322U TW 98201635 U TW98201635 U TW 98201635U TW 98201635 U TW98201635 U TW 98201635U TW M358322 U TWM358322 U TW M358322U
Authority
TW
Taiwan
Prior art keywords
light
light guide
guide plate
backlight module
light source
Prior art date
Application number
TW98201635U
Other languages
Chinese (zh)
Inventor
ming-quan Hong
Jun-Chang Qiu
xu-cheng Ye
Original Assignee
Top Victory Invest Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Top Victory Invest Ltd filed Critical Top Victory Invest Ltd
Priority to TW98201635U priority Critical patent/TWM358322U/en
Publication of TWM358322U publication Critical patent/TWM358322U/en

Links

Landscapes

  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)

Description

M358322 五、新型說明: 【新型所屬之技術領域】 本創作是關於-種背光模組 【先前技術】 、、、、'疋關於—種側光式背光模組。 、年來相較於陰極射線管—时 置,液晶顯示器會受到廣泛使用二:盗與電漿顯示器等顯示裝 他顯示裝置具有更低之驅是因為其較薄'較其 來說’液晶顯示器包括__液曰》之電力。 丨日日面板包括-薄膜電晶體基板、:板與-背光模組。液 晶層是介於薄膜電晶體基板與及-液晶層,其中液 施加至液晶層之電壓而“ 巧。液晶層之排列會因 源’因此液晶顯示器需要背絲%液晶層並不產生其自身之光 組二式模組與側光式背光模 射板、一增亮膜及1载容广;擴Π ^錄膜、一反 光線進與擴散㈣將光賴產生之 象。反射板是定位於先源之ϋ的顯不區域呈現輝度不均的現 射板反射後朝液㉟岐人射光騎產生之部分祕被反 在液晶面板之正面方向觀看曰免膜有聚光之功能,當使用者 大。此外,承載容器則承載著寺上、,度出會因增亮膜之緣故而增 反射板及增亮膜。 述之光源、擴散板、擴散膜、 目前,消費者對於液晶顯 畫面切換㈣resp_ time)U需具有『廣視角、高對比、快速 的要求已絲愈高,〜1_^Image stabi_』 像殘留現象的發生是在長時‘待=的問題之—就是影像殘留。影 "、不固疋同一晝面,當晝面切換至下一 M358322 個晝面時,會隱約殘留上—晝面的圖像稱為影像殘留。 •為了解決影像殘留的問題,目前市面上有廠商推出區域點減 =n^mg)與全面點滅(GI〇baldimming)的概念,其是藉由降低局部區域 ^部區域在-個週期的點亮時間來解決影像殘留的問題,同時達到 提南對,度的效果L上述之區域點滅的技術目前皆是被應用在 直下式背光模組,尚未將其應用到側光式背光模組。 因此,如何讓區域點滅的技術應用在伯沈式背光模、组,是 領域具有通常知識者去思量地。 【新型内容】 曰、本創作主要目的係提供一麵光式背光模組,此側光式背光模組 疋運用區域點滅的技術,以解決影像殘留的問題。 為了達成上述目的與其他目的,本創作提供一種侧光式背光模 組,其包括-導光板與多個光源。其巾,光源是配置在導光板的至少 入光面侧,這些光源是呈現週期性地快速被點滅的狀態。 —於上述之側光式背光模組中,導光板由多個次導光板所構成,且 母—光源對應到其中一次導光板。 於上述之側光式背光模組中’上述之統是配置在導歧的二相 對向的入光面側。 &於上述之側光式背光模組中,次導光板與其相鄰接的次導光板間 °又置有反射片,以隔絕次導光板彼此間的光學路徑。 於上述之側光式背光模組中’上述之光源為冷陰極榮光燈管。 於上述之側光式背光模組中,上述之光源為LED燈條。 於上述之側光式背光模組中’上述之光源是週期且輪流性地被點 M358322 在本創作之背光模組_,由於光源是呈現週期性地被快速地點 滅,因此制者倾不轉覺翁面存在有影像朗。此外,導光板 被分成多銳縣板’每-嫩導光撕龍的__也較小,且 每-光源皆可個別地被控制,若依據液晶顯示器的顯示區域所顯示的 畫面而調整光源的點滅頻率,則晝面的對比度可被提升。另外,若在 次導光板及與其相鄰接的次導光板間設置有反則,便可隔絕次導光 板彼此間的絲輕,而制鮮地㈣每—似導光板所呈現的亮 度,並呈現更高的對比度。 為使热悉該項技藝人士瞭解本創作之目的、特徵及功效,兹藉由 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】 請參照圖1,圖1所緣示為使用本創作之側光式背光模址 的實施例。背光模組丨包括—導光板u、多個光源12、多個 反射罩g13、一反射片14、一擴散膜15與一增亮膜16,其中光 源12疋配置在反射罩13内,反射罩丨3可將光源a所發出的 ,線反射至‘光板u中。導光板u的作用是將光源U所發 出的光線導向擴散膜15與增亮膜16,而反射片14的作用則是 1從光板11的底面露出的光線再導入至導光板11中。此 膜15位於導光板11的出光面側,擴散膜15的功用在於擴 所射出的光線’使其在液晶顯示11的顯示區域(未繪示)上 -二t :月暗差異的區塊。增亮膜16位於擴散膜15的出光面侧,增 單元161,此_元161綱光線折射原 理=正切的指向性,藉續高背絲組1的輝度。 導if/ ’圖2所㈣為本創作之第-實施例巾的光源與 八別配:右、/應關係。其中,位於導光板11兩旁之入光面側113 刀別配4光源12,此錢12為冷陰極螢紐管(⑽Cath0de M358322M358322 V. New description: [New technical field] This creation is about a kind of backlight module [Prior Art],,,,,,,,,,,,,,,,,,,,,,,,,, Compared with the cathode ray tube, the liquid crystal display will be widely used in the past two years: the display of the display device with the display of the pirate and the plasma display has a lower drive because it is thinner than the 'liquid crystal display' __Liquor" power. The day panel includes a thin film transistor substrate, a board and a backlight module. The liquid crystal layer is interposed between the thin film transistor substrate and the liquid crystal layer, wherein the liquid is applied to the voltage of the liquid crystal layer. "The arrangement of the liquid crystal layer may be due to the source." Therefore, the liquid crystal display requires a back wire. The liquid crystal layer does not produce its own. The light group two-type module and the edge-light type backlight mode plate, a brightness enhancement film and a large carrying capacity; the expansion of the film, the reflection of light and the diffusion (four) will produce the image of the light. The reflector is positioned The display area of the source of the original source shows the unevenness of the brightness of the current plate, and the reflection of the liquid is generated by the 35-person person. The secret is generated in the front direction of the liquid crystal panel. In addition, the carrying container carries the temple, and the reflection plate and the brightness enhancement film are formed due to the brightness enhancement film. The light source, the diffusion plate, the diffusion film, and the consumer currently switch the liquid crystal display. (4) resp_ time) U needs to have a wide viewing angle, high contrast, fast requirements have become higher, ~1_^Image stabi_" Like the phenomenon of residual phenomenon is a long-term 'waiting = problem - is the image residue. Shadow " Don't fix the same face, when the face is cut When changing to the next M358322 facets, the image of the remaining surface is called image residue. • In order to solve the problem of image sticking, there are manufacturers on the market to introduce regional dot reduction = n^mg) and comprehensive points. The concept of GI〇baldimming solves the problem of image sticking by reducing the lighting time of the local area in a period of one cycle, and at the same time achieves the effect of the south, the degree of the L. The technology is currently applied to the direct-lit backlight module, and has not yet been applied to the edge-lit backlight module. Therefore, how to make the regional point-off technology applied to the primary sinking backlight module and group is a common knowledge in the field. [New content] 主要, the main purpose of this creation is to provide an optical backlight module, which uses the technology of regional dot-off to solve the image residual problem. For other purposes, the present invention provides an edge-lit backlight module comprising: a light guide plate and a plurality of light sources. The towel and the light source are disposed on at least the light-incident side of the light guide plate, and the light sources are presenting periods. In the above-mentioned edge-lit backlight module, the light guide plate is composed of a plurality of secondary light guide plates, and the mother-light source corresponds to one of the light guide plates. In the module, the above-mentioned system is disposed on the opposite side of the light incident surface of the guide. In the above-mentioned side light type backlight module, the secondary light guide plate and the adjacent secondary light guide plate are further disposed. There is a reflective sheet to isolate the optical path between the sub-light guide plates. In the above-mentioned side light type backlight module, the light source is a cold cathode glory tube. In the above-mentioned side light type backlight module, the above-mentioned light source For the LED light bar. In the above-mentioned side light type backlight module, the above-mentioned light source is periodically and alternately clicked on the M358322 in the backlight module of the present invention, since the light source is periodically periodically extinguished, The makers do not turn around and there is a picture of the image. In addition, the light guide plate is divided into a multi-Ruixian board, and the __ of each light guide tearer is also small, and each light source can be individually controlled, and the light source is adjusted according to the screen displayed in the display area of the liquid crystal display. The click-off frequency allows the contrast of the face to be increased. In addition, if an inverse is provided between the secondary light guide plate and the adjacent sub-light guide plate, the lightness between the sub-light guide plates can be insulated, and the brightness of each of the light guide plates can be displayed. Higher contrast. In order to familiarize the skilled person with the purpose, features and effects of the present invention, the present invention will be described in detail by the following specific embodiments and with the accompanying drawings. [Embodiment] Please refer to FIG. 1. FIG. 1 is an embodiment of an edge-lit backlight module using the present invention. The backlight module 丨 includes a light guide plate u, a plurality of light sources 12, a plurality of reflectors g13, a reflection sheet 14, a diffusion film 15 and a brightness enhancement film 16, wherein the light source 12 is disposed in the reflection cover 13, and the reflection cover丨3 can reflect the line emitted by the light source a to the 'light board u. The function of the light guide plate u is to guide the light emitted from the light source U to the diffusion film 15 and the brightness enhancement film 16, and the reflection sheet 14 functions to introduce light rays which are exposed from the bottom surface of the light plate 11 into the light guide plate 11. The film 15 is located on the light-emitting surface side of the light guide plate 11, and the function of the diffusion film 15 is to expand the emitted light ‘to the block in the display region (not shown) of the liquid crystal display 11 - two t: the dark difference. The brightness enhancement film 16 is located on the light-emitting surface side of the diffusion film 15, and is increased by the unit 161. This is a refracting principle of the light refracting principle = the tangential directivity of the high back yarn group 1. Guided if / ' Figure 2 (4) is the light source of the first embodiment of the present invention and the eight-part: right, / should be related. Among them, the light-incident side 113 on both sides of the light guide plate 11 is equipped with 4 light sources 12, and the money 12 is a cold cathode fluorescent tube ((10) Cath0de M358322

Fluorescent Lamp)。另外,導光板u則被切割為一第一次導光板m 與第二次導光板112’第-次導歧ln是對應到位於左_光源i2, 而第二次導光板112則是對朗位於右儀光源12。亦即,第一次導 光板111的功用主要是將位於左_統12所發出的光線導向擴 散膜15與增亮臈16 !所示)’而第二次導光板ιΐ2則是 將位於右侧的光源12所發出的光線導向擴散膜15與增亮膜16。 »月、攏、、、貝參,,、、圖2 ’不官疋位於右側或左側的光源12皆週期性地且 快速地被點減,亦即光源12是呈現快速地_。在此,“快速,,是指『讓 肉眼無法辨識出光源12正在進行週期性地點滅』,而週期是指 後到下次再被點亮所經過個時間』。由於光源12被快速 地點滅’ S此使用者便較不轉覺到晝。 =:=r是週期且輪流式地被點滅,二丄= ====__,而當左側的細被點滅時, 所對應的顯域是呈現較A 减“一人導先板112 期中被點亮__增加。於右觸光源12在整個週 a由上摘方式,便可提高晝_對比度。 外,藉莫組1除了能解決影像殘留的問題 比度。此外,由於光源、12並北二’可使顯示區域的畫面呈現較佳的對 之背光模組丨所耗_能量較^直1亮的狀態’因此本創作 ,.而且此瓖光源12的使用壽命增長。 112所構1 ^由第—次導光板⑴與第二次導光板 本7頁域具有通常知識者可將導光板η設計成由更多的 M358322 次導光板所構成。請參照圖3,圖3驗示為本創作之背光模 第二實施例。在圖3中’讀示出導光板與統,其餘的元件因应 圖2所示相同,便不躲示。在本實施例中,導光板21是由1〇個 次導光板211所構成’且每5個次導光板211構成—排,每一 板211皆對應到其中一光源22。 π% 若光源22是呈現週期且輪流性地被點滅的狀態時,當其中一光源 22被媳滅時,其他的9個光源22仍處於被點亮的㈣。料陰極管 而言’驅動的反應時間是較為緩慢的,故此作法她於全面點滅,每 癱-光源22可有更長的點亮時間,對於驅動冷陰極 •的。而且,相_,例,嫉本實施例的導光板被;^ 導光板2η ’每-個次導光板211所對應的顯域也較小,且每_ 光源22皆可個別地被控制,故晝面的對比度可被提升。 請參照圖4’圖4所繪示為本創作之第三實施例的背光模組。 第二實施例與第一實施例的最大不同點在於:在第三實施例 中,次導光板211及與其相鄰接的次導光板211間設置有反射片,這 樣一來便可隔絕a導光板211彼此間的光學路徑。由於位於其中一 導光板211中的光線不會傳遞到其他的次導光板211,故每一個次導 •光板211所呈現的亮度能精準地被其所對應的光源22控制,而不會受 到其他光源22的影響。也因此,本實施例之背光模組能提供較高的對 比度。 在上述之實施例中,光源12為冷陰極螢光燈,但本領域具有通 常知識者可將其置換成其他種類的光源。請參照圖5,圖5所繪示為 本創作之第四實施例之背光模組。在本實施例之背光模組中,次導光 板211之入光面側所配置的光源22’為LED燈條,此LED燈條上具有 多個LED燈22Γ。 雖然,在上述之實施例中,次導光板是分別成型後再組合成導光 M358322 Ϊ造=ί型_再分割成多個次導光板,以如此方式 率·Γ—ι、Θx合易’且在導光板的網點範_少之情況下,良 率也可“。狀,若―:域顏雜A的導紐,由骑 Γί:3Γ!,其成型較不容易,且在導光板的網點範圍增加下, 型體積較大的導光板,且不將其分割成多個次導;^ 人成 請參照圖6 ’圖6所繪示為本創作之背光模 ,21, 'Ά❿疋呈現—整塊的板狀。絲22則配置在導光 ^1。的二械向以先面側犯,,且是呈現週期性地快速被 先面Γ上述的實施例中’光源是配置在導光板的二相對向的入 :但本領域具有料知識者也可將光_只配置在導光板= 並非=ΐ=具::其所揭露的具體實施例 =斤田太凌1么動與潤飾,其所作之更動與潤飾皆屬於本創 【圖式&單說1】 當視後附之申請專利範圍所界定者為準。 為使用本創作之側光式背光模組的實施例。 對應關係 本創作之第一實施例中的光源與導光板間的 圖3所緣示為本創作之背光模組的第二實施例。 圖4所綠示為本創作之第三實施例的背光模組。 圖5所繪示為本創作之第四實施例之背光模組。 M358322 圖6所繪示為本創作之背光模組的第五實施例。 【主要元件符號說明】 I :背光模組 II :導光板 III :第一次導光板 112 :第二次導光板 113 :入光面側 12 :光源 13 :反射罩 14 :反射片 15 :擴散膜 16 :增亮膜 161 :菱鏡單元 21、 21’ :導光板 211 :次導光板 22、 22’ :光源 221,: LK)燈Fluorescent Lamp). In addition, the light guide plate u is cut into a first light guide plate m and the second light guide plate 112' first-order guide ln corresponds to the left-light source i2, and the second light guide plate 112 is right. Located in the right instrument light source 12. That is, the function of the first light guide plate 111 is mainly to direct the light emitted from the left lens 12 to the diffusion film 15 and the brightness enhancement ! 16 ! The second light guide plate ιΐ2 directs the light emitted from the light source 12 on the right side to the diffusion film 15 and the brightness enhancement film 16. » Moon, 、, ,, 贝,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, Here, "fast, means "to make it impossible for the naked eye to recognize that the light source 12 is going to be periodically extinguished", and the period refers to the time elapsed after the next time it is lit again." Since the light source 12 is quickly extinguished 'S This user is less convinced. =:=r is the period and is turned off in turn, two 丄 = ====__, and when the fine on the left is clicked, the corresponding display The field is presented with a smaller A minus "one person leading board 112 period is lit __ increased. The 触_contrast can be improved by picking up the right-hand source 12 over the entire circumference a. In addition, the group 1 can solve the problem of image residuals. In addition, since the light source, 12 and the north 2' can make the picture of the display area appear better to the backlight module, the _ energy is relatively straight and bright 1 'this is the creation, and the use of the xenon light source 12 Life expectancy increases. 112 is constructed by the first-order light guide plate (1) and the second light guide plate. The general knowledge can design the light guide plate η to be composed of more M358322 times light guide plates. Please refer to FIG. 3, which illustrates a second embodiment of the backlight module of the present invention. In Fig. 3, the light guide plate and the system are read, and the remaining components are the same as shown in Fig. 2, so that they are not hidden. In the present embodiment, the light guide plate 21 is composed of one sub-light guide plate 211 and is arranged every five sub-light guide plates 211, and each plate 211 corresponds to one of the light sources 22. π% If the light source 22 is in a state of being rendered and alternately turned off, when one of the light sources 22 is annihilated, the other nine light sources 22 are still illuminated (four). In the case of the cathode tube, the reaction time of the driving is relatively slow, so that she is completely extinguished, and each 瘫-light source 22 can have a longer lighting time for driving the cold cathode. Moreover, the light guide plate of the present embodiment is smaller; and the display field corresponding to each of the light guide plates 211 is smaller, and each light source 22 can be individually controlled, so The contrast of the face can be improved. Referring to FIG. 4, FIG. 4 illustrates a backlight module according to a third embodiment of the present invention. The second embodiment is different from the first embodiment in that: in the third embodiment, a reflective sheet is disposed between the sub-light guide plate 211 and the sub-light guide plate 211 adjacent thereto, so that the guide can be isolated. Optical paths between the light plates 211 relative to each other. Since the light in one of the light guide plates 211 is not transmitted to the other sub-light guide plates 211, the brightness of each of the sub-light guide plates 211 can be accurately controlled by the corresponding light source 22 without being subjected to other The effect of the light source 22. Therefore, the backlight module of the embodiment can provide a high contrast. In the above embodiments, the light source 12 is a cold cathode fluorescent lamp, but those skilled in the art can replace it with other types of light sources. Please refer to FIG. 5. FIG. 5 illustrates a backlight module according to a fourth embodiment of the present invention. In the backlight module of the present embodiment, the light source 22' disposed on the light incident side of the sub-light guide plate 211 is an LED light bar having a plurality of LED lights 22A. In the above embodiment, the sub-light guide plates are respectively formed into light guides M358322 Ϊ=========================================================================== And in the case of the dot of the light guide plate, the yield can also be ".", if: - the guide of the domain of the A, by the ride Γ :: 3 Γ!, its molding is not easy, and in the light guide plate When the dot size is increased, the light guide plate with a larger volume is not divided into a plurality of sub-guides; ^Please refer to FIG. 6 'Fig. 6 for the backlight mode of the creation, 21, 'Ά❿疋present - the whole plate shape. The wire 22 is disposed in the light guide ^1. The two mechanical directions are committed on the front side, and are presented periodically and quickly 先 Γ Γ Γ 的 的 的 的 ' ' ' ' ' ' ' ' The two opposite entrances of the light board: but those skilled in the art can also arrange the light _ only in the light guide plate = not = ΐ = have:: The specific embodiment disclosed therein = Jintian Tailing 1 movement and retouching, The changes and refinements made are all intrinsic [Scheme & Single Statement 1]. The use of this application is subject to the definition of the patent application scope. Embodiment of the side-lit backlight module. Corresponding relationship The light source and the light guide plate in the first embodiment of the present invention are shown in Fig. 3 as a second embodiment of the backlight module of the present invention. The backlight module of the third embodiment of the present invention is shown in Fig. 5. The backlight module of the fourth embodiment of the present invention is shown in Fig. 5. M358322 is a fifth embodiment of the backlight module of the present invention. [Main component symbol description] I: backlight module II: light guide plate III: first light guide plate 112: second light guide plate 113: light incident surface side 12: light source 13: reflective cover 14: reflective sheet 15: diffusion Film 16: Brightness enhancement film 161: Mirror unit 21, 21': Light guide plate 211: Secondary light guide plate 22, 22': Light source 221,: LK) lamp

Claims (1)

.M358322 六、申請專利範圍: 1· 一種側光式背光模組,包括: 一導光板;及 該些光源是呈 現週:=速=:::光板的™ 2.如申請專利翻第i項所述之側光式背光模組,其中該導光板 由個人導光板所構成,且每一光源對應到其中一次導光板。.M358322 VI. Patent application scope: 1. An edge-lit backlight module, comprising: a light guide plate; and the light sources are presented in the week: = speed =::: light board TM 2. If the patent application is turned over the i-th item The side light type backlight module, wherein the light guide plate is composed of a personal light guide plate, and each light source corresponds to one of the light guide plates. 1如申請專利範圍第1項或第2項所述之侧光式背光模組,其中 上述之光源是配置在導光板的二相對向的入光面侧。 /、 ^4·如申請專利範圍第1項或第2項所述之側光式背光模組,其中 該次導光板與相鄰接的次導光板間設置有反射片,以隔絕次導^ 此間的光學路徑。 工攸攸 5.如申請專利範圍第1項或第2項所述之侧光式背光模組,其 上述之光源為冷陰極螢光燈管。 /、 6. 如申請專利範圍第1項或第2項所述之側光式背光模、纟且,足 上述之光源為led燈條。 中 7. 如申請專利範圍第1項或第2項所述之側光式背光模叙, 上述之光源是週期且輪流性地被點滅。 〜中1 . The edge-lit backlight module of claim 1 or 2, wherein the light source is disposed on the opposite light incident surface side of the light guide plate. /, ^4. The edge-lit backlight module of claim 1, wherein the light guide plate and the adjacent sub-light guide plate are provided with a reflection sheet to isolate the sub-guide. The optical path between the two. 5. The side light type backlight module according to claim 1 or 2, wherein the light source is a cold cathode fluorescent lamp. /, 6. For the edge-light type backlight module described in the first or second aspect of the patent application, the above-mentioned light source is a led light bar. 7. The above-mentioned light source is cycled and alternately turned off, as in the edge-lit backlight mode described in claim 1 or 2. ~in
TW98201635U 2009-02-04 2009-02-04 Edge lighting back light module TWM358322U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW98201635U TWM358322U (en) 2009-02-04 2009-02-04 Edge lighting back light module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW98201635U TWM358322U (en) 2009-02-04 2009-02-04 Edge lighting back light module

Publications (1)

Publication Number Publication Date
TWM358322U true TWM358322U (en) 2009-06-01

Family

ID=44380582

Family Applications (1)

Application Number Title Priority Date Filing Date
TW98201635U TWM358322U (en) 2009-02-04 2009-02-04 Edge lighting back light module

Country Status (1)

Country Link
TW (1) TWM358322U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9377886B2 (en) 2009-12-17 2016-06-28 Coretronic Corporation Optical touch display apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9377886B2 (en) 2009-12-17 2016-06-28 Coretronic Corporation Optical touch display apparatus

Similar Documents

Publication Publication Date Title
TW589491B (en) Illuminating device and display apparatus using the same
CN101477273B (en) Liquid crystal display to which infrared rays source is applied and multi-touch system using the same
TW201227077A (en) Liquid crystal display device and backlight module thereof
JP2006302622A (en) Surface light source device
WO2014063391A1 (en) Liquid crystal display module
US9285616B2 (en) Backlight module and liquid crystal display device using same
KR20080001227A (en) Lamp Fixture of Backlight Unit
TWI291061B (en) Liquid crystal display device, backlight unit
JP6494617B2 (en) Backlight module and liquid crystal display device using the same
US20140029294A1 (en) Backlight module
CN103712155A (en) Lamp cover, backlight module and displaying device
RU2504810C1 (en) Liquid crystal display device
TWM358322U (en) Edge lighting back light module
CN108073000A (en) Backlight module and liquid crystal display
JP2000021224A (en) Illumination device and reflective liquid crystal display device
KR20070109002A (en) Backlight unit and liquid crystal display device having same
KR20060106386A (en) Backlight unit having reflect plate having multiple reflect surface
KR101419242B1 (en) Backlight unit and liquid crystal display using the same
JP3193758U (en) Liquid crystal display
TW200307837A (en) Luminous device
TWI355537B (en) Backlight unit
KR101318249B1 (en) Backlight unit and liquid crystal display device using the same
KR20060059103A (en) Optical sheet and back light unit using the same
US20100225573A1 (en) Backlight device and display device
KR101252844B1 (en) backlight unit and the liquid crystal display device having the same

Legal Events

Date Code Title Description
MM4K Annulment or lapse of a utility model due to non-payment of fees