1309325 九、發明說明： 【發明所屬之技術領域】 本發明係一種液晶顯示器之四周入光型背光模組角落 疋位結構，尤指一種用以解決大尺寸液晶顯示器之背板上 角落疋位件與背光模組中之導光板及光學膜片間，因間隙 加大所造成的定位效果差及撓屈現象之問題。 【先前技術】1309325 IX. Description of the Invention: [Technical Field] The present invention relates to a corner clamping structure of a light-incorporating backlight module of a liquid crystal display, and more particularly to a corner clamping member on a back panel of a large-sized liquid crystal display. The problem of poor positioning and flexing caused by the increase of the gap between the light guide plate and the optical film in the backlight module. [Prior Art]
平面顯示器中之液晶顯示器，因其具有型體薄、重量 幸低操作電壓及低耗電率等特色，又因近來製造技術的 成熟’使得產品良率增加及產能提升，輔以各製造廠商良 =的製&成本官控，使得液晶顯示器的售價為一般大眾所 能接受，因而成為現今平面顯示器之主流產品。 尸著薄膜電晶體式液晶顯示器（tft_lcd)的蓬勃發 展’未來的研發趨勢將以更輕薄且輝度不因而改變的方向 發：’也因此為因應大尺寸顯示器之市場需求，該液晶顯 不卯中利用四周入光之背光模組相對因配合改變而增大， 也使得背光模組中背板與導光板及導光板上的光學膜片間 之間隙隨尺寸增加而增加。 目前已知液晶顯示器之背板與該背光模組之導光板及 設於導光板上的光學膜片間之固導九板及 一 〆a 〜U疋結構设汁如第八圖所 不，係7液晶顯示器底座之背 ,φ ^ ^ , 月奴〈5 0 )上具有一縱向延 申疋位件（6 〇 )，該定位件（β η、/认妙 M 仵（6 0 )位於背板與背光 核，.且之導光板及光學膜片（ 乃、^ (J )的定位凹部（6 ] 〇 ) 之一組對角角隅或四角隅處 從导九板及光學膜片（7 Q ) 3 1309325 裝設於背板（5 0 )上。 惟前述之在背板中設置定位件’供作該背光模組之導 光板及光學膜片角落定位之用，確可令導光板及光學膜片 固定在該背板中，但是，隨著液晶面板尺寸的加大，為維 持導光板及光學膜片固定在背板上，故其定位件與導光板 及光學膜月間的緩衝間隙因而加大，以減緩熱脹冷縮時所 造成的影響’ h此-來’導光板及光學膜片易因與定位件 間的間隙m導致定位不佳以至於容易滑動脫落，以 及，若該緩衝間隙過小，貝因受熱膨服後會推擠定位件而 產生撓屈現象之問冑’故對此導光板及光學膜片與背板中 定位件間的組合結構，並須重新加以考量並予以解決。 【發明内容】The liquid crystal display in the flat panel display has the characteristics of thin body shape, low operating voltage and low power consumption rate, and the recent maturity of manufacturing technology, which leads to an increase in product yield and productivity, supplemented by various manufacturers. The system control of the cost control system makes the price of the liquid crystal display acceptable to the general public, and thus becomes the mainstream product of today's flat panel display. The development of a thin-film transistor-type liquid crystal display (tft_lcd) will be developed in a trend that is lighter and lighter and does not change its brightness: 'Therefore, in response to the market demand for large-size displays, the LCD is not in the middle. The backlight module that uses the ambient light is increased by the change of the matching, and the gap between the back panel and the optical film on the light guide plate and the light guide plate increases with the increase of the size. At present, it is known that the back plate of the liquid crystal display and the light guide plate of the backlight module and the optical film disposed on the light guide plate have a solid guide plate and a 〆 a 〜 疋 structure, as shown in the eighth figure. 7 The back of the LCD monitor base, φ ^ ^ , Yuenu <5 0) has a longitudinal extension clamp (6 〇), the positioning member (β η, / 妙 M 仵 (60) is located on the backplane And the backlight core, and the light guide plate and the optical film (Y, ^ (J) positioning recess (6] 〇) one of the diagonal angle 四 or the four corners from the guide nine plate and the optical film (7 Q 3 1309325 is installed on the back plate (50). However, the above-mentioned positioning member is provided in the back plate for the position of the light guide plate and the optical film corner of the backlight module, so that the light guide plate and the optical body can be made. The diaphragm is fixed in the back plate. However, as the size of the liquid crystal panel is increased, in order to maintain the light guide plate and the optical film fixed on the back plate, the buffer gap between the positioning member and the light guide plate and the optical film is increased. Large, to slow down the impact caused by thermal expansion and contraction 'h this-to' light guide plate and optical film easy to cause gap between the positioning member m The positioning is not so good that it is easy to slip off, and if the buffer gap is too small, the bein will push the positioning member after being heated and will cause the phenomenon of flexing and bending. Therefore, the light guide plate and the optical film and the back plate are The combined structure between the positioning members must be reconsidered and solved.
本發明之主要目的係提供_種液晶顯示器之四周入光 型背光模組角落定位結構1以解決前述液晶顯示器中導 光板及光學膜片與背板之定位件間的間隙過大，造成導光 板及光學膜片定位效果不佳而滑動脫落及因導光板與光學 膜片受熱膨脹後推擠定位件所產生撓屈現象之問題。 欲達到前揭目的，太絡 顯示器之背板上咬置定位件術手段係令液晶 光學膜片角落定位之用乂中供作該背光模組之導光板及 ”中於該定位件與其鄰接之導光 =:膜“隅之間設置-具可壓縮性的軟性構件，提 =:、光學膜片與定位件間之熱膨脹缓衝間隙 = 光學膜片因間隙過大所產生之定位效果差及 之現象’以及因間隙過小使該導光板、光學 4 1309325 受熱膨脹後會因推振— 推擠又位件而產生撓屈現象之問 【實施方式】 有關本發明之液曰 伙日日顯不窃之四周入光型背 定位結構具體實施# 才九槟組角落 貝死例，晴配合參閱第一、二 _ 要係於液晶顯示器（Ί 不，其主 盗（1 〇 )的背板（2 0 )上之定位株r / 0)與背光模組中的遙I (4 的導先板及光學模片（30)相鄰之 隅處增加一可壓缩之& & 之角 聖細之軟性構件（4 2 〇 )，該軟性 20)的厚度可依液晶顯 (4 日日4不态的尺寸而調整，用以提佴呰 二模組中的導光板及光學膜 " 。子膘片（30)依序組設於背板（ 0)上’其中’該定位件（ U ( ο η ) ^ ^ , 0)5又置在導光板及光學膜 片CdO)之疋位凹部（41卩、^ ^ πβ ^ 〇 )上的一組對角角隅或四 角隅處，且該軟性構件（42〇)設置在心件（4〇 與其鄰接之導光板及光學膜“ 3 〇 )角隅之間，又該定 位件（4 0 )可為相對應之方形 ^圓形、多邊形、塊狀或 其他形狀。 請參照第三、四圖所示之第— 斗 牙 較佳貫施例，該定位件 (4 0 )為背板（2 0 )朝上蝴 縱向延伸之柱狀體（4 0 a )， 且該軟性構件（4 2 0 )為一套户众, 貧嶮套接在定位件（4 0 a ) 上。 又請參照第五圖所示之第_ # u — <弟一較佳實施例，其中該軟性 構件（4 2 0 )為貼覆於該定位 < 1立件（4 0 a )上以鄰接導 光板及光學膜片（3 0 )側面弧彤mλ Ί ,、 即狐形凹部（4 1 1 )的弧形 片體。 再請參照第六圖所示之第：r & 7+ & 乐一較佳實施例，其中該定位 1309325 件（40)包括兩垂直設置 及光學膜片（30)鄰接定 且該軟性構件（4 2 0 )為 合，可貼置在該定位件（4 片之角隅處。 之片體（4〇b)，該導光板 位件（4 0 )之角隅為直角， 單一 L形片狀或為兩片體之組 0 b )上或貼置在導光板及膜 又再請參照第七圖所示之第四較佳實施例’其中該定 位件（40)可為一立方體、 乃體（40 c)並設置在導光板及 光學膜片（3〇)之角隅定仅凹部處，且該軟性構件（4 20)座落在導光板及光學骐片（3〇)鄰接定位件（4 〇c)之角隅處並呈單一乙形片狀。 故當液晶顯示器尺寸加大時，該背板及背光模組的體 積亦跟隨著加大，而在背光模組中之導光板及光學膜片與 其角隅定位凹部之宏 廿杜P3 . _ . ,、 牛〗，亦須保留較大熱膨脹緩衝間 隙’而使得該導光板、朵整 九予骐片易受溫度變化的影響，若 該緩衝間隙過大，則使其定位效果差，容易滑動或脫落， 右該緩衝間隙過小，則該導光板、光學膜片受㈣脹後會 因推敎位件而產生撓屈現象之問題，故藉由在導光板、 光學膜片及定位件間組設—軟性構件，當溫度較低時，因 軟性構件的存在，使得定位件與導光板及光學膜片間之空 :家不會過大’因而減少導光板及光學膜片滑動脫落的問 2 ’反之當温度過高而導致導光板及光學膜片受熱膨服 U因其導光板及光學膜片會壓縮該具有可㈣性之軟性 4而不會造成導光板及光學膜片推擠定位件而產生撓屈 現象。 6 1309325 經由前述說明中可以瞭解，本發明以前揭創新的技術 方案設計，除可令導光板及光學膜片組設在背板上，並可 使導光板&光學膜片不受溫度的影響而造成定位效果不佳 或膜片撓屈的問題’有利於大尺寸液晶顯示器之設計。 【圖式簡單說明】 第一圖：係本發明之俯視平面示意圖。 第一圖係本發明之第一較佳實施例的局部立體示意The main purpose of the present invention is to provide a corner positioning structure 1 for a light-insulating backlight module of a liquid crystal display to solve the problem that the gap between the light guide plate and the positioning member of the optical film and the back plate is too large, thereby causing the light guide plate and The optical film has poor positioning effect and slips off and the problem of flexing phenomenon caused by pushing the positioning member after the light guide plate and the optical film are thermally expanded. In order to achieve the purpose of the previous disclosure, the occlusion positioning means on the back panel of the collinear display is used for arranging the corner of the liquid crystal optical film for the light guide plate of the backlight module and "in the adjacent position of the locating member" Light guide =: film "set between the - - soft member with compressibility, mention =:, thermal expansion buffer gap between the optical film and the positioning member = poor positioning effect of the optical film due to excessive clearance and The phenomenon 'and the gap between the light guide plate and the optical 4 1309325 after the thermal expansion is caused by the push-vibration-pushing and re-creating phenomenon [Embodiment] The liquid scorpion of the present invention is not stolen. The four-in-one light-type back positioning structure is implemented in detail. #九槟槟组角贝死例,晴合对第一第一二二 To be attached to the LCD monitor (Ί No, its main thief (1 〇) backplane (2 0 The positioning strain r / 0) is added to the corner of the remote module (the leading plate of the backlight module and the optical die (30) in the backlight module, and the softness of the corner of the compressible &&& The thickness of the member (4 2 〇), the softness 20) can be displayed by liquid crystal (4 days and 4 days) The size is adjusted to improve the light guide plate and the optical film in the second module. The sub-chip (30) is sequentially arranged on the back plate (0) 'where' the positioning member (U (ο η ^ ^ , 0) 5 is placed at a set of diagonal corners or square corners on the concave recesses (41卩, ^^ πβ ^ 〇) of the light guide plate and the optical film CdO), and the soft member ( 42〇) is disposed between the core member (4〇 adjacent to the light guide plate and the optical film “3 〇) corner ,, and the positioning member (40) can be a corresponding square^circular, polygonal, block or other Please refer to the preferred embodiment of the first tooth shown in the third and fourth figures. The positioning member (40) is a columnar body (40a) in which the back plate (20) extends longitudinally upward. , and the soft member (4 2 0 ) is a set of households, and the lean member is sleeved on the positioning member (40 a). Please refer to the fifth figure shown in the fifth figure. In an embodiment, the flexible member (4 2 0 ) is attached to the positioning < 1 vertical member (40 a) to abut the light guide plate and the optical film (30) side arc 彤mλ Ί , ie, a fox shape Curved piece of recess (4 1 1 ) Referring to the sixth embodiment, r & 7+ & preferred embodiment, wherein the positioning 1309325 member (40) comprises two vertical arrangements and the optical film (30) abuts and the softness The member (4 2 0 ) is a combination and can be placed on the positioning member (the corner of the four pieces. The piece (4〇b), the angle of the position of the light guide plate (40) is a right angle, a single L Shaped sheet or group of two sheets 0 b) on or attached to the light guide plate and film. Referring again to the fourth preferred embodiment shown in the seventh figure, wherein the positioning member (40) can be a cube And the body (40 c) is disposed at the corner of the light guide plate and the optical film (3 〇), and only the concave portion is located, and the soft member (4 20) is seated on the light guide plate and the optical slab (3 〇) adjacent to each other. The corner of the positioning piece (4 〇c) is in the shape of a single slab. Therefore, when the size of the liquid crystal display is increased, the volume of the back panel and the backlight module is also increased, and the light guide plate and the optical film in the backlight module are positioned with the corners of the corners of the axe P3. , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , If the buffer gap is too small on the right side, the light guide plate and the optical film are subject to the problem of flexing and bending due to the pushing of the position, so that the light guide plate, the optical film and the positioning member are assembled - soft When the temperature is low, due to the existence of the soft member, the space between the positioning member and the light guide plate and the optical film: the home will not be too large, thus reducing the sliding of the light guide plate and the optical film 2' If the light guide plate and the optical film are too heated, the light guide plate and the optical film compress the softness 4 (4) without causing the light guide plate and the optical film to push the positioning member to cause flexion. phenomenon. 6 1309325 It can be understood from the foregoing description that the prior art technical solution of the present invention is designed such that the light guide plate and the optical film are assembled on the back plate, and the light guide plate and the optical film are not affected by temperature. The problem of poor positioning or flexing of the diaphragm is beneficial to the design of large-size liquid crystal displays. BRIEF DESCRIPTION OF THE DRAWINGS The first drawing is a schematic plan view of the present invention. The first figure is a partial perspective view of a first preferred embodiment of the present invention
圖。 第三圖：係本發明之第 立體分解示意圖。 二圖所示之第一較佳實施例之 實施例之 第四圖：係本發明夕筮-jg & _ 十5又β又弟一圖所示之第一較佳 正面透視示意圖。 第五圖：係本發明之笛, 圖 之弟一較佳貫施例之局部立體示意Figure. Third Figure: is a perspective exploded view of the present invention. The fourth embodiment of the first preferred embodiment shown in Fig. 2 is a first preferred front perspective view of the present invention shown in the following paragraphs: jg & _10 and β. Fig. 5 is a partial perspective view of a preferred embodiment of the flute of the present invention
圖 圖0 第六圊：係發明之第三較佳實施例之局 第七圖係本發明之第四較佳實施例之局 部立體示意 部立體示意 第八圖’係習用液晶顯示器之四周入 部立體示意圖。 月洛疋 【主要元件符號說明】 (10)液晶顯示n (20)背板 (3 〇 )導光板及光學膜片（4 〇 )定位件 (4 0 a )柱狀定位件 位的局 (4 0 b )片狀定 位件 7 1309325 (4 0 c )塊狀定位件 （ (4 1 1 )弧形凹部 （ (5 0 )背板 （ (70)導光板及光學膜片 （ 1 0 )定位凹部 2 0 )軟性構件 0 )定位件 1 0 )定位凹部Figure 6 is a sixth embodiment of the third preferred embodiment of the invention. The seventh embodiment of the fourth preferred embodiment of the present invention is a three-dimensional schematic view of the fourth embodiment of the present invention. schematic diagram.月洛疋 [Main component symbol description] (10) Liquid crystal display n (20) Backplane (3 〇) Light guide plate and optical diaphragm (4 〇) locating member (40 a) Column-shaped positioning member position (4) 0 b ) Sheet-shaped positioning member 7 1309325 (4 0 c ) Block-shaped positioning member ((4 1 1 ) curved recess ((50) back plate ((70) light guide plate and optical diaphragm (10) positioning recess) 2 0) soft member 0) positioning member 1 0) positioning recess
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