567293 _案號91118757_年月日__ 五、發明說明（1) 本發明是有關於一種穿透式液晶顯示器（1 i q u i d crystal display，簡稱LCD)的構件及其製造方法，且特 別有關於一種背光模組（b a c k 1 i g h t m o d u 1 e，簡稱B / L )及 其製造方法。 針對多媒體社會的急速進步，多半受惠於半導體元件 或顯示裝置之飛躍性進步。習知之顯示裝置例如陰極射線 管（C R T )因具有優異的顯示品質與經濟性，故一直獨佔顯 示裝置市場。然而，陰極射線管在空間利用上與能源消耗 上仍有其問題存在。由於顯示裝置對於輕、薄、短、小以 及低能源消耗上的要求日益增加，因此具有高顯示品質、 輕、薄、短、小以及低能源消耗特質的薄膜電晶體（t h i η f i 1 m t r a η s i s t ο r，簡稱 Τ F Τ )液晶顯示器（1 i q u i d c r y s t a 1 d i s p 1 a y，簡稱L C D )已逐漸成為市場的主流。而一般的液 晶顯示裝置依其顯示方式的不同，可以略分為穿透式液晶 顯示裝置、反射式液晶顯示裝置，以及介於二者之間的半 穿透式液晶顯示裝置。 背光模組主要使用於穿透式液晶顯示器（t r a n s p a r e n t LC D )面板，而背光模組主要由作為發光源之燈管、導光板 (light guide panel ，簡稱LGP)、燈管罩（lamp holder) 以及膠框（f r a m e )等構件所組成，其配置係將燈管罩固定 於膠框内，而燈管則放置於燈管罩的内凹處，再將導光板 緊連燈管放置於燈管罩平坦部位。 然而，習知將燈管罩直接嵌入膠框架構後，還會如第 1 A圖與第1 B圖所示的方式增強燈管罩與膠框之間的結合強567293 _Case No. 91118757_ 年月 日 __ V. Description of the Invention (1) The present invention relates to a component of a transmissive liquid crystal display (1 iquid crystal display, LCD for short) and a method for manufacturing the same, and particularly relates to Backlight module (back 1 ightmodu 1 e, B / L for short) and manufacturing method thereof. In response to the rapid progress of the multimedia society, most have benefited from the rapid progress of semiconductor components or display devices. Conventional display devices such as cathode ray tubes (CRTs) have been dominating the display device market because of their excellent display quality and economy. However, the cathode ray tube still has problems in space utilization and energy consumption. Because display devices are increasingly demanding light, thin, short, small, and low energy consumption, thin film transistors (thi η fi 1 mtra η) with high display quality, light, thin, short, small, and low energy consumption characteristics Sist οr (referred to as TF), liquid crystal displays (LCDs, LCDs, LCDs, etc.) have gradually become the mainstream of the market. The general liquid crystal display device can be divided into a transmissive liquid crystal display device, a reflective liquid crystal display device, and a semi-transmissive liquid crystal display device in between depending on the display mode. The backlight module is mainly used for a transmissive liquid crystal display (transparent LC D) panel, and the backlight module is mainly composed of a lamp tube, a light guide panel (LGP), a lamp holder, and The frame is composed of components such as a plastic frame. The configuration is to fix the lamp tube cover in the plastic frame, and the lamp tube is placed in the recess of the lamp tube cover, and then the light guide plate is closely connected to the lamp tube and placed in the lamp tube cover. Flat area. However, after the lamp tube cover is directly embedded into the plastic frame structure, it is known that the bonding strength between the lamp tube cover and the plastic frame will be enhanced as shown in Figs. 1A and 1B.
9635twf1.ptd 第5頁 567293 案號 91118757 年 月 曰 修正 五、發明說明（2) 度。 第1 A圖與第1 B圖是習知一種膠框及燈管罩的位置與固 定方法之上視及側視示意圖，請參照第1 A圖與第1 B圖，當 燈管罩1 0 2嵌入膠框1 0 0並放入燈管1 1 0後，通常會在燈管 罩1 0 2四角鎖上螺絲1 0 4，以使其順利組裝於膠框1 0 0架構 中。然而，單以螺絲1 0 4固定燈管罩1 0 2的方式往往會因為 燈管罩102與膠框100的相對運動，而造成燈管罩内的導光 板106鬆脫、掉落或產生輝度不均勻、暗線（dark-1 ine)等 不良影響。因此，目前會在燈管罩1 0 2與膠框1 0 0之間加黏 膠帶（tape)108。由於導光板106是放置於燈管罩102内， 所以當燈管罩1 0 2與膠框1 0 0受熱而膨脹或是二者之間產生 相對運動時，容易造成燈管罩1 0 2内的導光板1 0 6發生鬆 脫、掉落，進而產生輝度不均勻、暗線等不良影響，因此 目前會利用一條窄且長的膠帶108黏著燈管罩102與膠框 1 0 0之間，以防止上述缺點。然而，在燈管罩1 0 2與膠框 1 0 0之間要增加一條又窄又長的膠帶1 0 8，必然會增加極大 的人工與成本。 有鑒於此，本發明之目的是提供一種背光模組及其製 造方法，以增強燈管罩與膠框之間的結合強度。 本發明之再一目的是提供一種背光模組及其製造方 法，以避免人工與成本的浪費。 本發明之另一目的是提供一種背光模組及其製造方 法，以避免因為燈管罩與膠框的相對運動，而造成燈管罩 内的導光板鬆脫、掉落或產生輝度不均勻、暗線等不良影9635twf1.ptd Page 5 567293 Case No. 91118757 Amendment V. Description of the invention (2) Degree. Figures 1A and 1B are top and side views of a conventional method for fixing and fixing the plastic frame and lamp cover. Please refer to Figures 1 A and 1 B. When the lamp cover 1 0 After inserting the plastic frame 100 into the lamp tube 110, the screws 104 are usually locked at the four corners of the lamp tube cover 102 to make it smoothly assembled in the plastic frame 100 structure. However, simply fixing the lamp tube cover 102 with screws 104 causes the light guide plate 106 in the lamp tube cover to loosen, fall, or generate brightness due to the relative movement of the lamp tube cover 102 and the plastic frame 100. Uneven, dark line (dark-1 ine) and other adverse effects. Therefore, a tape 108 is currently added between the lamp tube cover 102 and the plastic frame 100. Since the light guide plate 106 is placed in the lamp tube cover 102, when the lamp tube cover 102 and the plastic frame 100 are heated and expand or there is relative movement between the two, the lamp tube cover 102 may be easily caused. The light guide plate 106 is loosened and dropped, which causes adverse effects such as uneven brightness and dark lines. Therefore, a narrow and long tape 108 is currently used to adhere between the lamp tube cover 102 and the plastic frame 100. Prevent the above disadvantages. However, adding a narrow and long adhesive tape 108 between the lamp tube cover 102 and the plastic frame 100 will inevitably increase enormous labor and cost. In view of this, an object of the present invention is to provide a backlight module and a manufacturing method thereof to enhance the bonding strength between the lamp tube cover and the plastic frame. Another object of the present invention is to provide a backlight module and a manufacturing method thereof, so as to avoid waste of labor and cost. Another object of the present invention is to provide a backlight module and a method for manufacturing the same, so as to avoid the light guide plate in the lamp cover from loosening, falling, or uneven brightness due to the relative movement of the lamp cover and the plastic frame. Dark lines
9635twfl. ptd 第6頁 567293 _案號91118757_年月日__ 五、發明說明（3) 響。 根據上述與其它目的，本發明提出一種背光模組，由 一發光源、一導光板、一膠框以及具有一第一空間與一第 二空間之燈管罩等構成，其中在第一空間的燈管罩壁還具 有數個卡勾或凸點。而上述構件之配置係燈管罩被包覆於 膠框内，而燈管被放置於燈管罩的第一空間，導光板被置 於燈管罩第二空間且與第一空間的邊緣相接。 本發明另外提出一種背光模組之製造方法，係於燈管 罩沖壓成形之初，即設計卡勾或其他凸點，再將此種具有 卡勾或凸點的燈管罩置於膠框架構的模具中。然後，進行 一射出成型製程，以獲致與燈管罩一體成型的膠框。 本發明因為於燈管罩沖壓成形之初，即設計卡勾或其 他凸點，然後再配合膠框的射出成型製程，所以能得到一 體成型的膠框，而將膠框與燈管罩之間的應力降至最低。 此外，因為燈管罩與膠框之間還有凸點加強兩者的結合強 度，所以可避免因為燈管罩與膠框的相對運動，而造成燈 管罩内的導光板鬆脫、掉落，進而產生輝度不均勻、暗線 等不良影響。而且，本發明係直接將燈管罩與膠框結合為 一體，故不必如習知利用膠帶固定的方式，而增加人工與 成本的浪費。 為讓本發明之上述和其他目的、特徵、和優點能更明 顯易懂，下文特舉較佳實施例，並配合所附圖式，作詳細 說明如下： 圖式之標號說明：9635twfl. Ptd Page 6 567293 _Case No. 91118757_ Year Month Day__ 5. Description of the invention (3). According to the above and other objectives, the present invention provides a backlight module, which is composed of a light source, a light guide plate, a plastic frame, and a lamp cover having a first space and a second space. The lamp cover wall also has several hooks or bumps. The arrangement of the above components is that the lamp tube cover is covered in a plastic frame, the lamp tube is placed in the first space of the lamp tube cover, and the light guide plate is placed in the second space of the lamp tube cover and is opposite to the edge of the first space. Pick up. The invention also proposes a method for manufacturing a backlight module, which is at the beginning of stamping and forming of the lamp tube cover, that is, designing hooks or other bumps, and then placing such a lamp tube cover with hooks or bumps in a plastic frame structure. In the mold. Then, an injection molding process is performed to obtain a plastic frame integrally formed with the lamp cover. In the present invention, at the beginning of stamping and forming the lamp tube cover, that is, designing hooks or other bumps, and then cooperating with the injection molding process of the rubber frame, an integrated plastic frame can be obtained, and the plastic frame and the lamp tube cover The stress is minimized. In addition, because there are bumps between the lamp cover and the plastic frame to strengthen the bonding strength of the two, the light guide plate in the lamp cover can be loosened and dropped due to the relative movement of the lamp cover and the plastic frame. , Which in turn has adverse effects such as uneven brightness and dark lines. Moreover, the present invention directly integrates the lamp tube cover and the plastic frame into one body, so it is not necessary to fix it with an adhesive tape as in the conventional manner, and the labor and cost are increased. In order to make the above and other objects, features, and advantages of the present invention more comprehensible, the following describes the preferred embodiments in detail with the accompanying drawings, as follows:
9635twf1.ptd 第7頁 567293 _案號91118757_年月日__ 五、發明說明（4) 1 0 0，2 0 0 :膠框 1 0 2，2 1 0 :燈管罩 1 0 4 :螺絲 1 0 6，2 0 4 :導光板 1 08 :膠帶 1 1 0，2 2 0 ··燈管 2 1 2 :第一空間 2 1 4 :第二空間 2 1 6 :凸出部位 3 0 0 :製造具有凸出部位的燈管罩 3 0 2 :將燈管罩放置於用來製作膠框的模具中 3 0 4 :進行射出成型製程 3 0 6 :提供一燈管與一導光板 3 0 8 ··進行組裝 實施例 本發明主要是提供一種背光模組（b a c k 1 i g h t module，簡稱B/L)及其製造方法，可加強背光模組中的膠 框與燈管罩的結合強度。 第2圖是依照本發明之一較佳實施例之背光模組之結 構示意圖。請參照第2圖，背光模組是由一作為發光源之 燈管220、一導光板204、一膠框200以及具有一第一空間 212與一第二空間214之燈管罩210等構成，其中第一空間 212的燈管罩210壁還包括數個凸出部位216如卡勾或凸 點。而上述構件之配置係燈管罩2 1 0被包覆於膠框2 0 0内，9635twf1.ptd Page 7 567293 _Case No. 91118757_ Year Month Date__ V. Description of the Invention (4) 1 0 0, 2 0 0: Plastic frame 1 0 2, 2 1 0: Lamp cover 1 0 4: Screw 1 0 6, 2 0 4: light guide plate 1 08: tape 1 1 0, 2 2 0 · · lamp tube 2 1 2: first space 2 1 4: second space 2 1 6: protruding part 3 0 0: Manufacture of lamp cover with protruding parts 3 0 2: Place the lamp cover in the mold used to make the plastic frame 3 0 4: Perform the injection molding process 3 0 6: Provide a lamp tube and a light guide plate 3 0 8 Assembling Example The present invention mainly provides a backlight module (back 1 ight module, B / L for short) and a manufacturing method thereof, which can strengthen the bonding strength of the plastic frame and the lamp tube cover in the backlight module. FIG. 2 is a schematic structural diagram of a backlight module according to a preferred embodiment of the present invention. Please refer to FIG. 2. The backlight module is composed of a lamp tube 220 as a light source, a light guide plate 204, a plastic frame 200, and a lamp cover 210 having a first space 212 and a second space 214. The wall of the lamp cover 210 of the first space 212 further includes a plurality of protruding portions 216 such as hooks or bumps. The arrangement of the above components is that the lamp tube cover 2 1 0 is covered in a plastic frame 2 0 0,
9635twfl.ptd 第8頁 567293 _案號 91118757_年月日__ 五、發明說明（5) 而燈管2 2 0則放置於燈管罩210的第一空間，導光板2 0 4被 置於燈管罩2 1 0之第二空間且與第一空間2 1 2的邊緣相接， 並緊連燈管2 2 0 。因為燈管罩2 1 0與膠框2 0 0之間有凸出部 位2 1 6加強兩者的結合強度，所以可避免因為燈管罩2 1 0與 膠框2 0 0的相對運動，而造成燈管罩2 1 0内的導光板2 0 4鬆 脫、掉落或產生輝度不均勻、暗線（d a r k - 1 i n e )等不良影 響。 另外，本發明的製造流程如第3圖所示。 第3圖是依照本發明之一較佳實施例之背光模組的步 驟圖。請參照第3圖，於步驟3 0 0中，製造具有凸出部位的 燈管罩，而要製造具有凸出部位的燈管罩可以先用沖壓成 型的方法形成一般的燈管罩，然後再利用工具將燈管罩壁 打出一個凸點；或是直接在設計沖壓成型之初，就將其設 計成具有卡勾的燈管罩。 然後，請繼續參照第3圖，於步驟3 0 2中，將燈管罩放 置於用來製作膠框的模具中，還可以於模具中設計一夾持 機構，用以夾持燈管罩。接著，於步驟3 0 4中，進行射出 成型製程，以形成與燈管罩緊密相接的膠框。然後，於步 驟3 0 6中，提供一燈管與一導光板。最後，於步驟3 0 8中， 進行組裝，以完成背光模組的製作。 因此’本發明的特徵包括· 1 .本發明因為燈管罩與膠框之間有卡勾或凸點加強兩 者的結合強度，所以可避免因為燈管罩與膠框的相對運 動，而造成燈管罩内的導光板鬆脫、掉落或產生輝度不均9635twfl.ptd Page 8 567293 _Case No. 91118757_ Year Month__ V. Description of the invention (5) The tube 2 2 0 is placed in the first space of the tube cover 210, and the light guide plate 2 0 4 is placed The second space of the lamp tube cover 2 10 is connected to the edge of the first space 2 1 2 and is closely connected to the lamp tube 2 2 0. Because the lamp cover 2 1 0 and the plastic frame 2 0 have protruding parts 2 1 6 to strengthen the bonding strength of the two, it can be avoided because of the relative movement of the lamp cover 2 1 0 and the plastic frame 2 0, and The light guide plate 204 in the lamp tube cover 2 10 is loosened, dropped, or has uneven brightness, dark lines (dark-1 ine) and other adverse effects. The manufacturing process of the present invention is shown in FIG. 3. FIG. 3 is a step diagram of a backlight module according to a preferred embodiment of the present invention. Referring to FIG. 3, in step 300, a lamp cover having a protruding portion is manufactured. To manufacture a lamp cover having a protruding portion, a general lamp cover may be formed by a press molding method, and then Use the tool to punch a convex point on the wall of the lamp cover; or directly design the lamp cover with a hook at the beginning of the stamping design. Then, please continue to refer to FIG. 3. In step 302, the lamp tube cover is placed in a mold for making a plastic frame. A clamping mechanism can also be designed in the mold to hold the lamp tube cover. Next, in step 304, an injection molding process is performed to form a plastic frame closely contacting the lamp cover. Then, in step 306, a lamp and a light guide plate are provided. Finally, in step 308, assembly is performed to complete the manufacturing of the backlight module. Therefore, the features of the present invention include: 1. In the present invention, because a hook or a bump is provided between the lamp cover and the plastic frame to strengthen the bonding strength between the two, the relative movement of the lamp cover and the plastic frame can be avoided The light guide plate in the lamp cover is loose, dropped, or has uneven brightness
9635twf1.ptd 第9頁 567293 案號 91118757 年 月 曰 修正 五、發明說明（6) 勻、暗線等 2. 本發 像習知利用 省人工與成 3. 本發 其他凸點， 框，所以能 雖然本 限定本發明 和範圍内， 範圍當視後 不良影響。 明係直接將燈管罩與膠框結合為一體，故不必 螺絲或是膠帶（t a p e )固定的方式，所以能夠節 本〇 明因為於燈管罩沖壓成形之初，即設計卡勾或 然後採取一體成型的射出成形方法來製造膠 夠將膠框與燈管罩之間的應力降至最低。 發明已以較佳實施例揭露如上，然其並非用以 ，任何熟習此技藝者，在不脫離本發明之精神 當可作各種之更動與潤飾，因此本發明之保護 附之申請專利範圍所界定者為準。9635twf1.ptd Page 9 567293 Case No. 91118757 Rev. V. Description of the invention (6) Uniformity, dark lines, etc. 2. This image is used to save labor and achievements. 3. Other projections and frames of the hair, so it can be Within the scope of the present invention and scope, the scope will be adversely affected when viewed. The Ming Department directly combines the lamp tube cover with the plastic frame, so there is no need to fix it with screws or tapes, so it can be saved. Since the lamp tube cover was stamped and formed at the beginning, it was designed as a hook or then taken. The integrally formed injection molding method is used to manufacture glue, which can minimize the stress between the plastic frame and the lamp cover. The invention has been disclosed above in a preferred embodiment, but it is not intended to be used. Any person skilled in the art can make various changes and decorations without departing from the spirit of the invention. Therefore, the scope of the patent attached to the protection of the invention is defined Whichever comes first.
9635twfl.ptd 第10頁 567293 _案號 91118757_年月日_^_ 圖式簡單說明 第1A圖與第1B圖是習知一種膠框及燈管罩的位置與固 定方法之上視及側視示意圖； 第2圖是依照本發明之一較佳實施例之膠框及燈管罩 的位置與固定方法之剖面示意圖；以及 第3圖是依照本發明之一較佳實施例之製造膠框及燈 管罩的步驟圖。9635twfl.ptd Page 10 567293 _Case No. 91118757_Year Month Day ___ Brief description of the drawings Figures 1A and 1B are a conventional method for the position and fixing of a plastic frame and a lamp cover. Top and side views FIG. 2 is a schematic cross-sectional view of a position and fixing method of a plastic frame and a lamp cover according to a preferred embodiment of the present invention; and FIG. 3 is a manufacturing frame and a plastic frame according to a preferred embodiment of the present invention; Step diagram of lamp cover.
9635twf1.ptd 第11頁9635twf1.ptd Page 11