TWI309737B

TWI309737B -

Info

Publication number: TWI309737B
Application number: TW92114685A
Authority: TW
Inventors: Tien Ni Wei; Chuan Pei Yu
Original assignee: Au Optronics Corp
Priority date: 2003-05-30
Filing date: 2003-05-30
Publication date: 2009-05-11
Also published as: TW200426458A

Description

13097371309737

五、發明說明α) 【發明所屬之技術領域】置本發明係有關於一種侧光式裡W光式@光模組及液晶顯示裝【先前技術隨著顯線管（CRT ] ’液晶顯示，因此已逐於筆記型電通訊、資訊液晶顯行顯示，由度充分與分像。此一供進行。背光组以及直下將做為光源大，故可使也增加了背對可攜性及式背光模組的單側或兩設計來加強化。示器技術的演進，顯；# 1不斷.、宫％〜不裝置已從傳統的陰極射萝罟ΓϊΓη、斫式的顯不裝置。其中 ^ % @ ^具備輕薄 '省電 '低輻射等優點 ;成為現今常見的顯示裳置之一，可廣泛廊用或消費性電子產品之中。啊仃助电話寸示裝置主要是以一浓曰於洛a _ Γ 液日日面板（LCD panel )進於液日日囬板本身並不會 /〇.,,. 曰土光’因此必須供雍哀佈均勻的光源，使液曰。义肩供應冗 m ^ ^ M 曰日面板能夠正常顯示影應先源的功能即由背氺 ^ H/ 拉組可依其結構的不 lgn"悮、且； ,, 叩分為侧来式昔央模式背光模組兩種。直τ 4北，勹w尤式月尤梹 66 m ^ 下式@光模組的設計，係的燈皆置於背光模組用Λ * ,、，L L 下方’因安置空間變用兩支U上的燈官來描 4, ^ , 胃加光源強度，但相對地先核組的厚度及燈管 θ 又二 ^ ΒΗ φ , ± S 耗電置，因而較適用於 1 '队 ' 禊形的矿〜一對光線行進方向的控制以使顯示器之亮度均勻二間要未較不挑剔的—般液晶顯示器；而側光通常採用單支燈管或複數支燈管放置於導光板側，以做為光源，利用呈平板或楔形的導光板V. INSTRUCTION DESCRIPTION α) [Technical Field of the Invention] The present invention relates to an edge-lit W-light type optical module and a liquid crystal display device. [Prior Art With Display Tube (CRT] 'Liquid Crystal Display, Therefore, it has been displayed on the notebook-type electronic communication and information LCD display, and the degree is sufficient and the image is divided. This is for the backlight group and the direct-down will be used as the light source, so it can also increase the back-to-portability and style. One-sided or two-design of the backlight module is reinforced. The evolution of the display technology, display; #1Continue., 宫%~ No device has been exposed from the traditional cathode, 斫, 斫-type display device. % @ ^ has the advantages of thin and light 'power saving' low radiation; it is one of the common display skirts available today, which can be widely used in consumer electronics products. Yulu a _ Γ 日日 LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD LCD Supply redundant m ^ ^ M The next day panel can display the normal image first The function of the backing ^ H / pull group can be divided into two types according to the structure of the lgn " 悮, and; , 侧昔昔昔昔 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 Youyi 66 m ^ The following design of the @光模块, the lights of the system are all placed in the backlight module Λ *,,, LL below 'Because the installation space is changed by two U-lights to describe 4, ^, The intensity of the light source is added to the stomach, but the thickness of the first nuclear group and the tube θ are two ^ φ, ± S power consumption, so it is more suitable for the control of the 1 'team' 禊 shape The brightness of the display is uniformed. The liquid crystal display is not less critical. The side light is usually placed on the side of the light guide plate by a single tube or a plurality of tubes, and used as a light source, using a flat or wedge-shaped guide. Light board

0632-9025twfl(4.5) ； AU91226 ； Calvm.ptc 第5頁 13097370632-9025twfl(4.5) ; AU91226 ; Calvm.ptc Page 5 1309737

請參見第i圖’對習知的側光式背光撮知 rb ϋ 尤杈組之結構加以 =。弟i圖係顯示使用習知側光式背光模組的液晶顯示裝置100之分解圖。該液晶顯示器裝置l〇Q呈 g 110、—外框180、以及其内部的側光式背光模組，包厶有位於外側的保護擴散片i20、上稜鏡片（上集光片）13"〇、下稜鏡片（下集光片）1 4 0、位於内側的擴散片i 5 〇、導光板160、反射片170、做為光源的燈管19〇以及光源反射器 19 5 ° 燈管1 9 0 —般常使用高壓汞螢光燈設計的冷陰極燈管 (Cold Cathode Fluorescent Lamp，CCFL)。燈管 190 係做為光源’設置於導光板1 6 0之至少—側面，將光線射向導光板1 6 0 ;而光源反射器1 9 5則設置於燈管1 9 〇外部，具有朝向導光板1 60之一開口，且内側面設有光反射物質’ 用以將燈管1 90所發出之光線反射向導光層，以提高燈管 1 9 0的光利用效率。導光板1 6 0的作用在於引導光線的散射方向，用來提高液晶顯示裝置1〇〇的顯示輝度，並確保液晶面板u〇亮度的均句性。反射片1 7 0的作用則在於將射出導光體之光線反射回導光板160内，以提高光利用效率。導光板丨6〇與反射片1 7 0之間更設置有調光網點1 6 5，用以調整液晶顯示器的輝度均勻度。内側的擴散片1 50之作用在於將光線擴散，以調整光線的均勻度。上棱鏡片130與下稜鏡片140 (也稱為集光片 )的主要作用在於增加背光模级所產生的亮度，而外側的 4呆護擴散片1 2 0之作用為保護稜鏡片，使稜鏡片較不易受See Fig. i' for the structure of the conventional edge-lit backlight rb ϋ 杈杈 group. The figure i shows an exploded view of the liquid crystal display device 100 using the conventional side-lit backlight module. The liquid crystal display device 100 is a g110, an outer frame 180, and an inner side backlight module thereof, and has a protective diffusion sheet i20 and an upper sheet (upper collecting sheet) 13" , the lower jaw (lower light collecting sheet) 140, the inner diffusing sheet i 5 〇, the light guide plate 160, the reflecting sheet 170, the light tube 19〇 as a light source, and the light source reflector 19 5 ° the light tube 19 0 Cold Cathode Fluorescent Lamp (CCFL) designed for high pressure mercury fluorescent lamps. The light tube 190 is disposed as a light source 'at least on the side of the light guide plate 160, and emits light to the light guide plate 160; and the light source reflector 195 is disposed outside the light tube 1 9 ,, having a light guide plate facing the light guide plate 1 60 has one opening, and the inner side surface is provided with a light reflecting substance' to reflect the light emitted by the lamp tube 90 to the light guiding layer to improve the light utilization efficiency of the lamp 170. The function of the light guide plate 160 is to guide the scattering direction of the light to improve the display luminance of the liquid crystal display device 1 and to ensure the uniformity of the luminance of the liquid crystal panel. The reflection sheet 170 functions to reflect the light emitted from the light guide back into the light guide plate 160 to improve the light use efficiency. A dimming dot 1 6 5 is further disposed between the light guide plate 丨6〇 and the reflective sheet 170 to adjust the brightness uniformity of the liquid crystal display. The inner diffuser 150 functions to diffuse light to adjust the uniformity of the light. The main function of the upper prism sheet 130 and the lower cymbal sheet 140 (also referred to as a concentrating sheet) is to increase the brightness generated by the backlight mode, and the outer side of the 4 protective diffuser 1 2 0 serves to protect the cymbal and make the rib Lenses are less susceptible to

0632-9025twfl(4.5) ： AU91226 ； Calvm.ptc 第6頁 1309737 -絛正五、發明說明（3) 傷。然而’上述的侧光式液晶顯不裝置丨〇〇的缺點在於：組裝背光模組時，需將保護擴散片120、上棱鏡片13〇、下棱鏡片1 4 0、位於内侧的擴散片1 5 0、導光板1 6 〇、反射片 1 7 0、做為光源的燈管1 9 0以及光源反射界1 g 5等元件加以組裝’尤其是擴散片1 2 0、1 5 0、稜鏡片1 3 〇、μ 0、導光板 1 6 0、反射片1 7 0等均為光學膜片的形式，在組裝時耗費的時間長’且這些光學膜片均容易被刮傷，故在組裝時需非常小心，使得製造成本過高。【發明内容】有鑑於此，本發明之一目的在於提出一種侧光式背光模組及液晶顯示裝置’將習知側光式背光模組中的擴散片、導光板與反射片做成一體之導光模組，以簡化製程，便於組裝，減少人工調整的需求。本發明揭示一種側光式背光模組，具有一導光模組、至少一光源、一光源反射器以及稜鏡片。導光模組具有一導光層、一反射層以及一擴散層，導光層具有相對的第一面與第二面，擴散層附著於第一面，且反射層附著於第二面。光源設置於導光模組之至少一侧面，將光線射向導光層；而光源反射器設置於光源外部，具有朝向導光層之一開口’且内側設有光反射物質，將光源之先線反射向導光層。稜鏡片平行設置於導光模組之擴散層侧（可設置一或兩片），且其外侧可設有一保護擴散片。另外’本發明更揭示一種側光式液晶顯示裝置，具有0632-9025twfl(4.5) : AU91226 ; Calvm.ptc Page 6 1309737 - Yong Zheng V. Invention Description (3) Injury. However, the above-mentioned side-lit liquid crystal display device has the following disadvantages: when assembling the backlight module, the protective diffusion sheet 120, the upper prism sheet 13〇, the lower prism sheet 1404, and the diffusion sheet 1 located inside are required. 50, the light guide plate 1 6 〇, the reflection sheet 1 70, the light tube 1 90 as a light source and the light source reflection boundary 1 g 5 and other components are assembled 'especially the diffusion sheet 1 2 0, 1 50, the cymbal 1 3 〇, μ 0, light guide plate 160, reflective sheet 170, etc. are all in the form of optical diaphragms, which take a long time to assemble' and these optical films are easily scratched, so when assembled Be very careful and make the manufacturing cost too high. SUMMARY OF THE INVENTION In view of the above, an object of the present invention is to provide an edge-lit backlight module and a liquid crystal display device that integrates a diffusion sheet, a light guide plate and a reflection sheet in a conventional edge-lit backlight module. The light guide module simplifies the process, facilitates assembly, and reduces the need for manual adjustment. The invention discloses an edge-lit backlight module, which has a light guiding module, at least one light source, a light source reflector and a cymbal. The light guiding module has a light guiding layer, a reflective layer and a diffusion layer. The light guiding layer has opposite first and second faces, the diffusion layer is attached to the first surface, and the reflective layer is attached to the second surface. The light source is disposed on at least one side of the light guiding module to direct the light to the light guiding layer; and the light source reflector is disposed outside the light source, has an opening toward the one of the light guiding layer and is provided with a light reflecting substance inside, and the light source is first Reflective guide light layer. The cymbals are disposed in parallel on the diffusion layer side of the light guiding module (one or two sheets may be disposed), and a protective diffusion sheet may be disposed on the outer side thereof. Further, the present invention further discloses an edge-lit liquid crystal display device having

0632-9025twfl(4.5) ； AU91226 ； Calvm.ptc 第 7 頁 1309737 _案號92114685_年月日___ 五、發明說明（4) 一導光模組、至少一光源、一光源反射器、稜鏡片、保護擴散片以及液晶面板。導光模組具有一導光層、一反射層以及一擴散層，導光層具有相對的第一面與第二面’擴散層附著於第一面’且反射層附著於該第二面。光源設置於導光模組之至少一側面，將光線射向導光層；而光源反射器設置於光源外部’具有朝向導光層之一開口，且内側設有光反射物質，將光源之光線反射進導光層。稜鏡片平行設置於導光模組之擴散層側，保護擴散片平行設置於稜鏡片相對於導光模組之另一侧’且其外侧設有液晶面板。另外，可再用一外框將導光模組、光源、光源反射器、稜鏡片以及保護擴散片包覆起來。本發明之側光式背光模組及液晶顯示裝置中，反射層可附著於（例如以塗層c 〇 a t i n g或貼附的方式）導光模組相對於該光源之另一侧面，以提高光利用效率。又，導光模組之擴散層可使用塵印（pr i nt i ng )方式或UV光照射固化（UV-Curing )方式附著於導光層上。另外，反射層之光反射波長範圍最好為4〇〇〜7〇 Οηπι，且在波長320-38Onm左右之UV光範圍使光線透射或吸收，以避免因反射UV光而加速劣化導光層及其他光學膜片元件。另外，導光模組之擴散層之折射率最好小於或等於導光廣之折射率’以使光線在導光層内產生全反射，較易使光源發出的光線射至導光層全體，而可調整背光模組的= 勻性D ''0632-9025twfl(4.5) ; AU91226 ; Calvm.ptc Page 7 1309737 _ Case No. 92114685_年月日___ V. Invention Description (4) A light guiding module, at least one light source, a light source reflector, a cymbal Protect the diffuser and the LCD panel. The light guiding module has a light guiding layer, a reflective layer and a diffusion layer. The light guiding layer has opposite first and second surface diffusion layers attached to the first surface and the reflective layer is attached to the second surface. The light source is disposed on at least one side of the light guiding module to direct the light to the light guiding layer; and the light source reflector is disposed outside the light source to have an opening toward the light guiding layer, and the light reflecting substance is disposed inside, and the light of the light source is reflected Into the light guide layer. The cymbals are disposed in parallel on the diffusion layer side of the light guiding module, the protective diffusion sheets are disposed in parallel on the other side of the gusset relative to the light guiding module, and a liquid crystal panel is disposed on the outer side thereof. In addition, a light guide module, a light source, a light source reflector, a cymbal sheet, and a protective diffusion sheet may be covered by a frame. In the edge-lit backlight module and the liquid crystal display device of the present invention, the reflective layer may be attached (for example, in a manner of coating or affixing) to the other side of the light guiding module to enhance light. usage efficiency. Further, the diffusion layer of the light guiding module may be attached to the light guiding layer by a dust printing method or a UV-curing method. In addition, the light reflecting wavelength range of the reflective layer is preferably 4 〇〇 7 7 〇Ο η πι, and the UV light range of about 320-38 Onm transmits or absorbs light to avoid degrading the light guiding layer due to reflection of UV light. Other optical diaphragm components. In addition, the refractive index of the diffusion layer of the light guiding module is preferably less than or equal to the refractive index of the light guiding light to cause total reflection of light in the light guiding layer, and the light emitted by the light source is relatively easy to be emitted to the entire light guiding layer. Adjustable backlight module = uniformity D ''

第8頁為使本發明之上述及其他目的、特徵和優點能更明易懂’下文特舉一具體之較佳實施i，並配合所附圖式:The above and other objects, features, and advantages of the present invention will become more apparent and understood.

0632-9025twfH4.5) ； AU91226 ； Calvin.ptc 曰___ 1309737 --- 案號92114685_年月五、發明說明（5) 詳細說明。【實施方式】請參見第2圖與第3圖，以一實施例說明本發明之侧光式背光模組及液晶顯示裝置。本發明之側光式背光模組，與習知側光式背光模組的主要差異，在於本發明係將習知側光式背光模组中的擴散片、導光板與反射片做成一體之導光模組’以簡化製程，便於組裝，減少人工調整的需求。如第2圖所示之導光模組50，具有一導光層52、一擴散層54以及一反射層5 6。導光層5 2即相當於習知技術中的導光板，其作用在於引導光線射出背光模組的方向，用來是尚液晶顯示裝置的顯示輝度，並碟保液晶面板亮度的均勻性。導光層52具有相對的第一面（即弟2圖中之上面）與第二面（即第2圖中之下面），擴散層54附著於第一面’且反射層56附著於第二面。在製造導光模組時，通 f係，將一片導光板做為導光層52，在其第二面以濺鍍或蒸鍍等方式將反射層56鍍上，然後再將做為擴散層54的擴散材料使用壓印（printlng)方式附著於導光層52的第一面上，或是將擴散材料塗佈在導光層52的第一 ^上以UV光照射固化（uy-Curing )方式使发m儿層54。 ing y万式便其固化而形成擴散0632-9025twfH4.5) ; AU91226 ; Calvin.ptc 曰___ 1309737 --- Case No. 92114685_年月五、发明说明(5) Detailed description. [Embodiment] Referring to Figures 2 and 3, an edge-lit backlight module and a liquid crystal display device of the present invention will be described with reference to an embodiment. The main difference between the edge-lit backlight module of the present invention and the conventional edge-lit backlight module is that the diffusion sheet, the light guide plate and the reflection sheet in the conventional edge-lit backlight module are integrated into one body. The light guide module 'simplifies the process, facilitates assembly, and reduces the need for manual adjustment. The light guiding module 50 as shown in Fig. 2 has a light guiding layer 52, a diffusion layer 54, and a reflective layer 56. The light guiding layer 52 is equivalent to the light guiding plate in the prior art, and functions to guide the light to exit the backlight module for the display brightness of the liquid crystal display device, and to ensure the uniformity of the brightness of the liquid crystal panel. The light guiding layer 52 has opposite first faces (ie, the upper surface in FIG. 2) and the second surface (ie, the lower surface in FIG. 2), the diffusion layer 54 is attached to the first surface 'and the reflective layer 56 is attached to the second surface. surface. When manufacturing the light guiding module, a light guide plate is used as the light guiding layer 52, and the reflective layer 56 is plated on the second surface by sputtering or evaporation, and then used as a diffusion layer. The diffusion material of 54 is attached to the first surface of the light guiding layer 52 by using a printing method, or the diffusion material is coated on the first surface of the light guiding layer 52 to be cured by UV light (uy-Curing). The way is to make the layer 54. Ing y wan type will solidify and form a diffusion

第9頁在此必須說明，擴散層52的擴散材料或PC等材料做為基材，而在其中摻入擴 PMMA、PS、PU 等 # #。f q 1 畋粒子，例如 -1Z!通@，擴政粒子的直徑在]0 1309737 ____案號 92114685 __年月日___修正—____ 五、發明說明（6) 1 0 0 u m之間’可得到較佳的擴散效果。另外，擴散層54之折射率最好小於或等於導光層52之折射率’以使光在導光層52内產生全反射，如此較易使光線射至導光層全體，而容易調整背光模組的均勻性。上述的導光模組5 0製造完畢後’即可取代習知側光式背光模組中擴散片、導光板與反射片的部份，而構成如第 3圖所示之背光模組。第3圖係顯示使用本發明之側光式背光模纟且的液晶顯不裝置之义醉圖。該液晶顯不裝置具有一液晶面板10以及其内部的側光式背光模組，包含有位於外側的保護擴散片 20、上稜鏡片（上集光片）30、下稜鏡片（下集光片） 40、導光模組50、做為光源的燈管60以及光源反射器65。上稜鏡片30與下稜鏡片40係平行設置於導光模組5〇之擴散層5 4側，保瘦擴散片2 〇則平行設置於棱鏡片3 〇、4 〇相對於導光模組5 0之另一側。保護擴散片2 0、上稜鏡片3 〇、下稜鏡片40、燈管60以及光源反射器65等各元件之功用均已分別於習知技術中說明之，在此不再重覆。另外，第3圖中雖未圖示，但可再用一外框將導光模組5〇、燈管（光源 )60、光源反射器65、稜鏡片30、40以及保護擴散片2〇等元件包覆起來。在此必須說明’第3圖中，由於做為光源的燈管6 〇僅設置於導光模組5 〇的一侧（即第3圖之左側），因此可將導光模組5 0設置成反射層5 6附著於導光模組5 q相對於燈管 6 0之另一側面（即第3圖之右侧），以更為提高光利用效率。Page 9 It must be noted here that the diffusion material of the diffusion layer 52 or a material such as PC is used as a substrate, and PMMA, PS, PU, etc. are incorporated therein. Fq 1 畋 particles, such as -1Z!通@, the diameter of the expanding particles is in the range of 0 1309737 ____ case number 92114685 __ year and month ___ correction - ____ five, invention description (6) 1 0 0 um 'A better diffusion effect can be obtained. In addition, the refractive index of the diffusion layer 54 is preferably less than or equal to the refractive index of the light guiding layer 52 to cause total reflection of light in the light guiding layer 52, so that light is easily emitted to the entire light guiding layer, and the backlight is easily adjusted. Module uniformity. After the light guide module 50 is manufactured, the portion of the diffusion sheet, the light guide plate and the reflection sheet in the conventional edge type backlight module can be replaced to form a backlight module as shown in FIG. Fig. 3 is a view showing the dripping diagram of the liquid crystal display device using the edge-light type backlight module of the present invention. The liquid crystal display device has a liquid crystal panel 10 and an internal sidelight type backlight module thereof, and includes a protective diffusion sheet 20 on the outer side, an upper sheet (upper light collecting sheet) 30, and a lower sheet (lower collecting sheet). 40. The light guiding module 50, the light tube 60 as a light source, and the light source reflector 65. The upper cymbal sheet 30 and the lower cymbal sheet 40 are disposed in parallel with the diffusion layer 514 of the light guiding module 5 ,, and the thin diffusion sheet 2 平行 is disposed in parallel with the prism sheet 3 〇, 4 〇 with respect to the light guiding module 5 The other side of 0. The functions of the protective diffusion sheet 20, the upper cymbal 3 〇, the lower cymbal 40, the bulb 60, and the light source reflector 65 are respectively described in the prior art, and are not repeated here. In addition, although not shown in FIG. 3, the light guide module 5, the lamp (light source) 60, the light source reflector 65, the cymbals 30, 40, and the protective diffusion sheet 2 may be further used by an outer frame. The components are covered. It must be noted here that in the third figure, since the light tube 6 做 as the light source is disposed only on one side of the light guiding module 5 ( (ie, the left side of the third drawing), the light guiding module 50 can be set. The reflective layer 56 is attached to the light guide module 5 q with respect to the other side of the tube 60 (ie, the right side of FIG. 3) to further improve light utilization efficiency.

0632-9025twfl(4.5) ： AU91226 ; Calvm.ptc 第10頁 1309737 _室號92114685__年月日修正五、發明說明（7) 導光模0之反射層5 6 —般係使用銀或鋁等高反射性材料進行鍍膜而產生。由於燈管一般常使用高壓汞螢光燈设计的冷陰極燈管（c〇id Cathode Fluorescent0632-9025twfl(4.5) : AU91226 ; Calvm.ptc Page 10 1309737 _Room No. 92114685__ Year Month Day Correction 5, Invention Description (7) Light-reflecting mode 0 reflective layer 5 6 Generally using silver or aluminum The reflective material is produced by coating. Cold cathode lamps designed for high-pressure mercury fluorescent lamps (c〇id Cathode Fluorescent)

Lamp ’ CCFL ) ’其光源波長與光強度之關係圖如第4圖所示’其中可看出當光線波長於35 〇nffi左右時，光線正好為 UV光’容易使得導光層52以及其他光學膜片元件產生劣化現象’因此。因此，最好將反射層5 6設置成在波長 320-380nm左右之UV光範圍使光線透射或吸收，以避免因反射UV光而加速劣化導光層52及其他光學膜片元件。一般而言，反射層56之光反射波長範圍在4〇〇〜7〇〇ηπ]左右較佳。藉由本發明之侧光式背光模組及液晶顯示裝置，由於將習知侧光式背光模組中的擴散片、導光板與反射片做成 -體之導光模組5〇 ’因此可以達到簡化製程，便於組裝，整的需求。同時，藉由導光模㈣之反射層56 : 長以及光透射波長之控制，可將燈管60所產生广咸少導光層52或其他光學膜片元扉光 ,¾射叫加迷劣化的問題。雖然本發明已以具體之較佳實非用以限定本發明，任何熟習此；露…然其並明之精神和範圍内，仍修許’在不脫離本發月之保^圍當視錢之巾請專利範圍所界定者為準。Lamp ' CCFL ) 'The relationship between the wavelength of the light source and the light intensity is shown in Fig. 4 'It can be seen that when the wavelength of light is around 35 〇nffi, the light is just UV light' easily makes the light guiding layer 52 and other optics The diaphragm element produces a deterioration phenomenon. Therefore, it is preferable to arrange the reflective layer 56 to transmit or absorb light in a range of UV light having a wavelength of about 320 to 380 nm to avoid accelerating deterioration of the light guiding layer 52 and other optical film elements by reflecting the UV light. In general, the light reflecting wavelength of the reflective layer 56 is preferably in the range of about 4 〇〇 to 7 〇〇ηπ]. According to the edge-lit backlight module and the liquid crystal display device of the present invention, the diffusion sheet, the light guide plate and the reflective sheet in the conventional side-lit backlight module are made into a body-shaped light guiding module 5〇' Simplify the process, easy assembly, and complete requirements. At the same time, by the reflection layer 56 of the light guiding mode (4): the length and the control of the light transmission wavelength, the light-conducting light-conducting layer 52 or other optical film elements generated by the lamp tube 60 can be lighted, and the radiation is degraded. The problem. Although the present invention has been described in terms of its specificity, it is not intended to limit the invention, and it is to be understood that it does not deviate from the protection of the month of the month. The towel is subject to the definition of patent scope.

0632-9025twfl(4.5) ； AU91226 ； Calvin.ptc0632-9025twfl(4.5) ; AU91226 ; Calvin.ptc

1309737 _案號 92114685_年月日__ 圖式簡單說明第1圖係使用習知側光式背光模組的液晶顯示裝置之分解圖。第2圖係本發明一實施例之側光式背光模組中導光模組之示意圖。第3圖係上述實施例之側光式背光模組之分解圖。第4圖係本發明之侧光式背光模組中光源波長與光強度之關係圖。符號說明： 1 0〜液晶面板； 2 0〜保護擴散片； 30〜上稜鏡片； 4 0〜下稜鏡片； 5 0〜導光模組； 52〜導光層； 5 4〜擴散層； 5 6〜反射層； 6 0〜光源（燈管）； 6 5〜光源反射器； 1 0 0〜液晶顯示裝置； 1 1 0〜液晶面板； 1 2 0〜保護擴散片； 130〜上稜鏡片（上集光片）； 140〜下稜鏡片（下集光片）；1309737 _ Case No. 92114685_年月日日__ BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an exploded view of a liquid crystal display device using a conventional side-lit backlight module. 2 is a schematic view of a light guiding module in an edge-lit backlight module according to an embodiment of the present invention. Figure 3 is an exploded view of the edge-lit backlight module of the above embodiment. Fig. 4 is a graph showing the relationship between the wavelength of the light source and the light intensity in the edge-lit backlight module of the present invention. DESCRIPTION OF REFERENCE NUMERALS 1 0~liquid crystal panel; 2 0~protective diffusion sheet; 30~upper sheet; 4 0~lower sheet; 5 0~light guide module; 52~light guide layer; 5 4~diffusion layer; 6 ~ reflective layer; 6 0 ~ light source (lamp); 6 5 ~ light source reflector; 1 0 0 ~ liquid crystal display device; 1 1 0 0 ~ liquid crystal panel; 1 2 0 ~ protective diffusion sheet; 130 ~ upper sheet ( Upper concentrator); 140~ 稜鏡 ( (lower concentrator);

0632-9025twfl(4.5) ； AU91226 ： Calvm.ptc 第12頁 13097370632-9025twfl(4.5) ; AU91226 : Calvm.ptc Page 12 1309737

0632-9025twfl(4.5) ； AU91226 ； Calvm.ptc 第13頁0632-9025twfl(4.5) ; AU91226 ; Calvm.ptc Page 13

Claims

1309737 Ά '92114685 曰修正六'申請專利範圍光模組，包含：有一導光層、一反射層以及一擴散對的第一面與第二面’該擴散層附著射層附著於該第二面’其中該擴散層於該導光層之折射率；至少一光源，設置於該導光模組之至少一側面，將光種侧導光模導光層一面，層，該於該第之折射率係，」線射向有朝向光源之棱2. 中該反面。該導光光源反該導光光線反鏡片，如申請射層更光式背組，具具有相且該反於或等源，設層；射器，層之一射向該平行設專利範附著於包含一保護擴組之另一侧。如申請專利範散片，中該導於該導5. 中該導 )方式6. 如申請光模組光層上如申請光模組附著於如申請專利範之該擴〇專利範之該擴該導光專利範設置於該光源外部’該光源反射器具開口，且内侧設有光反射物質，將該導光層，以及置於該導光模組之該擴散層侧。圍第1項所述之側光式背光模組’其該導光模組相對於該光源之另一側園第1項所述之側光式背光模組，更平行設置於該稜鏡片相對於該導光模圍第1項所述之側光式背光模組，其散層係以壓印（printing)方式附著圍第1項所述之側光式背光模組，其散層係以U V光照射固化（U V - C u r i n g 層上。圍第1項所述之侧光式背光模組，其1309737 Ά '92114685 曰Revised 6' patent-pending optical module, comprising: a light guiding layer, a reflective layer, and a first surface and a second surface of a diffusion pair attached to the second surface a refractive index of the diffusion layer in the light guiding layer; at least one light source disposed on at least one side of the light guiding module, the light guiding side light guiding layer of the light guiding layer, the layer, the first refraction Rate system," the line is directed toward the edge of the light source 2. The opposite side. The light guiding light source opposes the light guiding light reverse lens, such as applying a layer of a lighter back group, having a phase and the opposite or equal source, and setting a layer; the emitter, one of the layers is directed to the parallel patented vane On the other side containing a protection extension. For example, if the application for the optical module is applied to the optical layer of the optical module, the application for the optical module is attached to the expanded patent such as the patent application. The optical patent is disposed outside the light source. The light source reflector is open, and a light reflecting substance is disposed on the inner side, and the light guiding layer is disposed on the diffusion layer side of the light guiding module. The side light type backlight module of the first aspect of the present invention, wherein the light guiding module is disposed in parallel with respect to the side light type backlight module of the other side of the light source, The edge-lit backlight module of the first aspect of the light guide module is characterized in that the scattering layer is attached to the edge-light backlight module of the first item by a printing method, and the layer is separated by UV light curing (UV-C uring layer. The edge-lit backlight module described in Item 1

0632-9025twfl(4.5) ； AU91226 ： Calvm.ptc 第14頁 1309737 _案號 92114685_年月日_修正六、申請專利範圍中該反射層之光反射波長範圍係為400〜700nm ^ 7. 如申請專利範圍第1項所述之侧光式背光模組，其中該反射層之光透射吸收波長範圍係為320_380nm。 8. —種側光式液晶顯示裝置，包含：一導光模組，具有一導光層、一反射層以及一擴散層，該導光層具有相對的第一面與第二面，該擴散層附著於該第一面，且該反射層附著於該第二面，其中該擴散層之折射率係小於或等於該導光層之折射率；至少一光源，設置於該導光模組之至少一侧面，將光線射向該導光層；一光源反射器，設置於該光源外部，該光源反射器具有朝向該導光層之一開口，且内側設有光反射物質，將該光源之光線反射向該導光層；一稜鏡片，平行設置於該導光模組之該擴散層側；一保護擴散片，平行設置於該稜鏡片相對於該導光模組之另一侧；以及一液晶面板，平行設置於該保護擴散片相對於該稜鏡片之另一侧。 9. 如申請專利範圍第8項所述之侧光式液晶顯示裝置，其中該反射層更附著於該導光模組相對於該光源之另一侧面。 1 〇.如申請專利範圍第8項所述之侧光式液晶顯示裝置，更包含一外框，設置於該液晶面板之一側，包覆該導光模組、該光源、該光源反射器、該稜鏡片以及該保護擴0632-9025twfl(4.5) ; AU91226 : Calvm.ptc Page 14 1309737 _ Case No. 92114685_年月日日_Amendment 6. In the patent application range, the light reflection wavelength range of the reflective layer is 400~700nm ^ 7. The edge-lit backlight module of claim 1, wherein the reflective layer has a light transmission absorption wavelength range of 320_380 nm. 8. A side-lit liquid crystal display device comprising: a light guiding module having a light guiding layer, a reflective layer and a diffusion layer, the light guiding layer having opposite first and second sides, the diffusion a layer is attached to the first surface, and the reflective layer is attached to the second surface, wherein the diffusion layer has a refractive index less than or equal to a refractive index of the light guiding layer; at least one light source is disposed in the light guiding module At least one side, the light is directed toward the light guiding layer; a light source reflector is disposed outside the light source, the light source reflector has an opening toward one of the light guiding layers, and a light reflecting substance is disposed inside, the light source is The light is reflected toward the light guiding layer; a cymbal is disposed in parallel on the diffusion layer side of the light guiding module; and a protective diffusion sheet is disposed in parallel on the other side of the cymbal relative to the light guiding module; A liquid crystal panel is disposed in parallel on the other side of the protective diffusion sheet relative to the die. 9. The edge-lit liquid crystal display device of claim 8, wherein the reflective layer is further attached to the other side of the light guide module relative to the light source. The illuminating liquid crystal display device of claim 8, further comprising an outer frame disposed on one side of the liquid crystal panel, covering the light guiding module, the light source, and the light source reflector , the cymbal and the protection expansion

0632-9025twfl(4.5) ： AU91226 ： Calvm.ptc 第15頁 1309737 _案號 92114685_年月日_魅_ 六、申請專利範圍散片。 11.如申請專利範圍第8項所述之侧光式液晶顯示裝置，其中該導光模組之該擴散層係以壓印（pr i n 11 ng )方式附著於該導光層上。 1 2.如申請專利範圍第8項所述之侧光式液晶顯示裝置，其中該導光模組之該擴散層係以UV光照射固化 (UV-Cur ing )方式附著於該導光層上。 1 3.如申請專利範圍第8項所述之侧光式液晶顯示裝置，其中該反射層之光反射波長範圍係為400〜700nm。0632-9025twfl(4.5) : AU91226 : Calvm.ptc Page 15 1309737 _ Case No. 92114685_年月日日_魅_ Six, the scope of application for patents. 11. The edge-lit liquid crystal display device of claim 8, wherein the diffusion layer of the light guiding module is attached to the light guiding layer by embossing (pr i n 11 ng ). 1. The edge-lit liquid crystal display device of claim 8, wherein the diffusion layer of the light guiding module is attached to the light guiding layer by UV-curing (UV-Cur ing) method. . 1. The edge-lit liquid crystal display device of claim 8, wherein the reflective layer has a light reflection wavelength range of 400 to 700 nm.

1 4.如申請專利範圍第8項所述之侧光式液晶顯示裝置，其中該反射層之光透射吸收波長範圍係為 320-380nm 。The edge-lit liquid crystal display device of claim 8, wherein the reflective layer has a light transmission absorption wavelength range of 320 to 380 nm.

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