200419258 玖、發明說明： 【發明所屬之技術領域】 本發明係關於一種防止背光源之光洩漏的平面切換型 (In- Plane-Switching :以下稱為「IPS」）液晶模組。 【先前技術】 藉由在液晶單元上安裝邊框、框架、導光板及光學片等 即可構成液晶模組。如圖4(a)、（b)、（c)所示，在液晶單元 12之下方設有光學片16，更在光學片16之下方設有導光板 18。利用光學片16，將傳播於導光板18的光26均等地供至 液晶單元12。光學片16，係包含擴散片14及稜鏡片15。將 螢光燈等之光源（未圖示）、導光板Γ8、光學片16固定在框架 20上以構成背光源。在框架2〇上設有進行光學片丨6之安 I、及疋位用的溝30。設置使光學片丨6之一部分突出的耳 片（犬出部）28’且將耳片28嵌入於溝30内。在框架2〇及液晶 單兀12之周緣部設有邊框22。邊框22，係用以將液晶模組 10之各零件集中成1個，或在製品框體上安裝液晶模組1〇 者。 在IPS液晶模組10之情況，當邊框22與液晶單元12密接， 且邊框22頂壓液晶單元12時，液晶單元12之玻璃基板就會 翹曲。隨著玻璃基板之翹曲將使液晶層之厚度產生變化。 因而，液晶單元12與邊框22碰觸的部分因會造成白色之色 彩變淡’而降低顯示品質。液晶單元12與邊框Μ有需要設 置間隙d。另外，TN(twisted nematic ;扭轉向列）液晶模組， 即便其使邊框22與液晶單元12密接亦不會降低液晶模組1〇200419258 (1) Description of the invention: [Technical field to which the invention belongs] The present invention relates to an In-Plane-Switching (hereinafter referred to as "IPS") liquid crystal module that prevents light leakage from a backlight source. [Prior art] A liquid crystal module can be constructed by mounting a bezel, a frame, a light guide plate, and an optical sheet on a liquid crystal cell. As shown in FIGS. 4 (a), (b), and (c), an optical sheet 16 is provided below the liquid crystal cell 12, and a light guide plate 18 is provided below the optical sheet 16. With the optical sheet 16, the light 26 propagating through the light guide plate 18 is evenly supplied to the liquid crystal cells 12. The optical sheet 16 includes a diffusion sheet 14 and a cymbal sheet 15. A light source (not shown) such as a fluorescent lamp, a light guide plate Γ8, and an optical sheet 16 are fixed to the frame 20 to constitute a backlight source. The frame 20 is provided with a safety sheet I for performing an optical sheet 6 and a groove 30 for positioning. An ear piece (dog-out portion) 28 'is provided so that one of the optical pieces 6 protrudes, and the ear piece 28 is embedded in the groove 30. A frame 22 is provided on the periphery of the frame 20 and the liquid crystal unit 12. The frame 22 is used to collect the parts of the liquid crystal module 10 into one, or to install the liquid crystal module 10 on the product frame. In the case of the IPS liquid crystal module 10, when the bezel 22 is in close contact with the liquid crystal cell 12, and the bezel 22 presses the liquid crystal cell 12, the glass substrate of the liquid crystal cell 12 is warped. With the warping of the glass substrate, the thickness of the liquid crystal layer will change. Therefore, the portion where the liquid crystal cell 12 and the bezel 22 touch each other will cause the white color to become lighter, and the display quality will be lowered. The liquid crystal cell 12 and the frame M need to be provided with a gap d. In addition, a TN (twisted nematic) liquid crystal module does not lower the liquid crystal module 1 even if it makes the frame 22 and the liquid crystal cell 12 closely contact.
O:\89\89749.DOC 200419258 之顯示品質。此係因TN液晶模組之液晶層的液晶排列與jpg 液晶模組不同，故而即使液晶層之厚度產生變化，對液晶 排列之影響仍很少所致。 如上面所述，為了要將光學片16固定在框架2〇上，而在 框架20上切出溝30。光26雖會從導光板18藉由光學片16而 導引至液晶單元12，但是一部分的光26卻會從溝3〇洩漏 出。由於邊框22之材料，係不銹鋼、純鋁、硬鋁系合金等， 所以洩漏出的光26會在邊框22反射並從液晶單元12與邊框 22之間隙d出現於液晶單元12之顯示區域，而造成光洩漏以 致降低顯示品質。 如圖5所示，在框架20之溝30上設置壁32的情況，光％ 就可因壁32之設置而不會到達邊框22。但是，框架2〇之材 料由於係使用高反射型之材料，所以光26會在壁32反射， 而使光26從液晶單元丨2與邊框22之間隙d洩漏出。 可考慮以彈性構件埋設在間隙4内的方法。但是，由於間 隙d係為〇· ，所以很難在間隙d内埋設彈性構件時不 會對液晶單元1 2施加壓力。 【發明内容】 (發明所欲解決之問題） 之光從液晶 單元 本發明之目的在於提供一種防止背光源 與邊框之間隙洩漏出的IPS液晶模組。 (解決問題之手段） 其包含有：液晶單 ’具有突出部，用 本發明之IPS液晶模組的要旨在於， 元；光學片，設於上述液晶單元之下部O: \ 89 \ 89749.DOC 200419258. This is because the liquid crystal arrangement of the liquid crystal layer of the TN liquid crystal module is different from the jpg liquid crystal module, so even if the thickness of the liquid crystal layer changes, the effect on the liquid crystal arrangement is still small. As described above, in order to fix the optical sheet 16 to the frame 20, a groove 30 is cut in the frame 20. Although the light 26 is guided from the light guide plate 18 to the liquid crystal cell 12 through the optical sheet 16, a part of the light 26 leaks from the groove 30. Because the material of the frame 22 is stainless steel, pure aluminum, hard aluminum alloy, etc., the leaked light 26 will be reflected on the frame 22 and appear in the display area of the liquid crystal cell 12 from the gap d between the liquid crystal cell 12 and the frame 22, and Causes light leakage to reduce display quality. As shown in FIG. 5, when the wall 32 is provided on the groove 30 of the frame 20, the light% may not reach the frame 22 due to the installation of the wall 32. However, since the material of the frame 20 is a highly reflective material, the light 26 is reflected on the wall 32, and the light 26 leaks from the gap d between the liquid crystal cell 2 and the frame 22. A method of embedding the elastic member in the gap 4 may be considered. However, since the gap d is 0 ·, it is difficult to compress the liquid crystal cell 12 when the elastic member is embedded in the gap d. SUMMARY OF THE INVENTION (Problems to be Solved by the Invention) Light from a liquid crystal cell The object of the present invention is to provide an IPS liquid crystal module that prevents the gap between the backlight and the frame from leaking out. (Means for solving the problem) It includes: a liquid crystal cell ′ having a protruding portion, and the main purpose of using the IPS liquid crystal module of the present invention is; an optical sheet is provided below the liquid crystal cell
O:\89\89749 DOC 200419258 以將光導引至液晶 學片；框架，設有 覆蓋液晶單元、光 以覆蓋上述液晶單 周緣、框架之溝的 用光吸收體來吸收 隙洩漏出。 單元；導光板，用 上述光學片之突出 學片及導光板之周 元及框架之周緣部 侧壁、或邊框之内 光’用以防止光從 以將光導引至上述光 部可嵌入的溝，用以 緣部；以及邊框，用 ;且在上述突出部之 壁設置光吸收體。利 液晶單元與邊框之間 上述光吸收體係、可由黑色膠帶、黑色印刷、黑色塗飾或 鍍鉻所構成。 【實施方式】 其次使用圖式就本發明之IPS液晶模組的實施例加以說 月另外本务明之液晶模組的上視圖，係習知之液晶模 組的上視圖。本發明之液晶模組的b_b剖面圖係與圖4(幻相 同。圖1係本發明之液晶模組的A_a剖面圖。 本發明之IPS液晶模組1〇，係包含有液晶單元12 ;設於液 晶單元12之下部，均等地將光26導引至液晶單元12用的光 學片16;將光26導引至光學片16用的導光板18;設有光學 片16之安裝及定位用的溝3〇，且用以覆蓋液晶單元12、光 學片16及導光板is之周緣部的框架2〇 ;以及覆蓋液晶單元 12及框架20之周緣部，且於内壁設置光吸收體24a的邊框 22。當液晶單元12與邊框22密接時，由於密接部位之液晶 單元12會造成白色之色彩變淡，所以在液晶單元12與邊框 22中設有間隙d。 光學片16係包含擴散片14及稜鏡片15。藉由將螢光燈等O: \ 89 \ 89749 DOC 200419258 is used to guide light to the liquid crystal film; the frame is provided with a light absorber to cover the liquid crystal cell, light to cover the liquid crystal single periphery, and the groove of the frame to absorb the leakage. Unit; light guide plate, using the above-mentioned optical sheet protruding sheet, the light guide plate and the peripheral element of the frame and the side wall of the frame, or the light inside the frame to prevent light from being guided to the above-mentioned light portion can be embedded A groove is used for the edge part; and a frame is used for the light; and a light absorber is provided on the wall of the protruding part. Facilitating the light absorption system between the liquid crystal cell and the frame, the above-mentioned light absorption system may be composed of black tape, black printing, black finishing, or chrome plating. [Embodiment] Next, the embodiment of the IPS liquid crystal module of the present invention will be described using drawings. The top view of the liquid crystal module of the present invention is a top view of a conventional liquid crystal module. The b_b cross-sectional view of the liquid crystal module of the present invention is the same as FIG. 4 (the same as FIG. 4). FIG. 1 is the A_a cross-sectional view of the liquid crystal module of the present invention. The IPS liquid crystal module 10 of the present invention includes a liquid crystal cell 12; In the lower part of the liquid crystal cell 12, the light 26 is evenly guided to the optical sheet 16 for the liquid crystal cell 12; the light 26 is guided to the light guide plate 18 for the optical sheet 16; A groove 30, and a frame 20 covering the peripheral edge portions of the liquid crystal cell 12, the optical sheet 16, and the light guide plate is; When the liquid crystal cell 12 is in close contact with the bezel 22, the liquid crystal cell 12 in the close contact portion will cause the white color to fade. Therefore, a gap d is provided in the liquid crystal cell 12 and the bezel 22. The optical sheet 16 includes a diffusion sheet 14 and a rib. Lens 15. By placing fluorescent light, etc.
O:\89\89749DOC 200419258 之光源（未圖示）、導光板18及光學片16安裝在框架2〇上即可 構成背光源。在光學片16上設置突出的耳片28，藉由將耳 片28嵌入於溝3〇内，即可將光學片16固定在框架2〇上。 光吸收體24a，可由黑色膠帶、黑色印刷、黑色塗飾或鍍 1各所構成。黑色膠帶等，係設計成不密接於液晶單元1 2。 錢絡之顏色係大致接近黑色的濃灰色，其可吸收光26。 當從導光板18藉由光學片16將光26導引至液晶單元12 時，光26就會從框架20之溝3〇洩漏出。洩漏出的光％，可 由邊框22之内壁的光吸收體24a所吸收，而不會從邊框22與 液晶單元12之間隙d洩漏出。因而，不會降低lps液晶模組 10之顯示品質。 圖1中’雖在邊框22之内壁全體上設置光吸收體24a，但 疋亦可只在從溝3 〇洩漏出之光2 6照到的部分設置光吸收體 24a 〇 如圖2所示，就在框架20之溝30設置壁32，使光26不會在 邊框22洩漏出的情況加以說明。該情況，亦利用框架20之 壁32而使光26反射，並在液晶單元12與邊框22之間使光％ 邊漏出。藉由將與圖！相同的光吸收體24b設在壁32上，換 言之設在溝30之内壁上，以防止光26洩漏出。又，亦可以 光吸收體24b來構成壁32之部分。 圖1中雖在邊框22之内壁設置光吸收體24，但是如圖3所 不，亦可以覆蓋光學片i 6之耳片28之周緣的方式設置光吸 收體24c。藉由以光吸收體24c來覆蓋耳片28之周緣，以防 止光26從光學片16洩漏出。The light source (not shown), light guide plate 18 and optical sheet 16 of O: \ 89 \ 89749DOC 200419258 can be installed on the frame 20 to form a backlight. A protruding ear piece 28 is provided on the optical sheet 16, and the optical sheet 16 can be fixed on the frame 20 by embedding the ear piece 28 in the groove 30. The light absorbing body 24a may be composed of a black tape, a black print, a black finish, or a plating. The black tape and the like are designed not to be tightly attached to the liquid crystal cell 12. Chalo's color is a dark gray which is approximately black, and can absorb light 26. When the light 26 is guided from the light guide plate 18 to the liquid crystal cell 12 through the optical sheet 16, the light 26 leaks from the groove 30 of the frame 20. The leaked light% can be absorbed by the light absorber 24a on the inner wall of the frame 22 without leaking from the gap d between the frame 22 and the liquid crystal cell 12. Therefore, the display quality of the lps liquid crystal module 10 will not be reduced. In FIG. 1 'Although the light absorber 24a is provided on the entire inner wall of the frame 22, the light absorber 24a may be provided only in the part where the light 26 leaking from the groove 30 is illuminated, as shown in FIG. 2, A case where a wall 32 is provided in the groove 30 of the frame 20 so that the light 26 does not leak out through the frame 22 will be described. In this case, the light 26 is also reflected by the wall 32 of the frame 20, and the light is leaked between the liquid crystal cell 12 and the frame 22. With will and figure! The same light absorber 24b is provided on the wall 32, in other words on the inner wall of the groove 30, to prevent the light 26 from leaking out. It is also possible to form a part of the wall 32 with a light absorber 24b. Although the light absorbing body 24 is provided on the inner wall of the frame 22 in FIG. 1, as shown in FIG. 3, the light absorbing body 24c may be provided so as to cover the periphery of the ear piece 28 of the optical sheet i6. The periphery of the ear piece 28 is covered with the light absorber 24c to prevent the light 26 from leaking out of the optical sheet 16.
O:\89\89749 DOC 200419258 以上，雖說明本發明之實施例，但是本發明並非被限定 於上述實施例。其他，本發明只要在不脫離其主旨的範圍 内可基於熟習該項技術者之知識以施加各種的改良、修 正、變更之態樣來實施者。 (發明效果） 依據本發明，則利用光吸收體即可消除始自液晶單元與 邊框之間隙的光汽漏。由於並未使液晶單元與邊框密接，O: \ 89 \ 89749 DOC 200419258 and above, although the embodiment of the present invention is described, the present invention is not limited to the above embodiment. In addition, the present invention can be implemented by applying various improvements, corrections, and changes based on the knowledge of those skilled in the art within the scope not departing from the gist thereof. (Effects of the Invention) According to the present invention, it is possible to eliminate the light vapor leakage from the gap between the liquid crystal cell and the frame by using the light absorber. Since the liquid crystal cell is not tightly connected to the frame,
而不會降低IPS 所以不會發生液晶單元白色之色彩變淡 液晶模組之顯示品質。 【圖式簡單說明】 圖1係本發明之IPS液晶模組，且在邊框上設置光吸收體 的剖面圖。 圖2係本發明之IPS液晶模組，且在框架之壁上設置光吸 收體的剖面圖。 圖3本發明之IPS液晶模組，且在光學片之耳片上設置光 吸收體的剖面圖。 圖4係習知之ips液晶模組，（a)為剖面圖，（b)為A_A剖面 圖，（c)為B-B剖面圖。 圖5係圖4(b)中於框架上設置壁之情況的剖面圖。 【圖式代表符號說明】 1〇 ips液晶模組 12 液晶單元 14 擴散片 15 棱鏡片It does not reduce the IPS, so the white color of the liquid crystal cell does not fade. The display quality of the liquid crystal module. [Brief description of the drawings] FIG. 1 is a cross-sectional view of an IPS liquid crystal module of the present invention, and a light absorber is provided on a frame. Fig. 2 is a cross-sectional view of an IPS liquid crystal module of the present invention, and a light-absorbing body is provided on a wall of a frame. 3 is a cross-sectional view of an IPS liquid crystal module of the present invention, and a light absorber is provided on an ear piece of an optical sheet. Fig. 4 is a conventional IPS liquid crystal module, (a) is a sectional view, (b) is a sectional view of A_A, and (c) is a sectional view of B-B. Fig. 5 is a cross-sectional view of a case where a wall is provided on the frame in Fig. 4 (b). [Illustration of Symbols in the Drawings] 10 IPS LCD Module 12 LCD Cell 14 Diffuser 15 Prism
O:\89\89749 DOC 200419258 16 光學片 18 導光板 20 框架 22 邊框 24、24a、24b、24c 光吸收體O: \ 89 \ 89749 DOC 200419258 16 Optical sheet 18 Light guide plate 20 Frame 22 Frame 24, 24a, 24b, 24c Light absorber
26 光 28 耳片（突出部） 30 溝 32 壁 d 間隙 O:\89\89749 DOC -10-26 light 28 ear piece (protrusion) 30 groove 32 wall d gap O: \ 89 \ 89749 DOC -10-