TWI335202B - Backlight module - Google Patents

Backlight module Download PDF

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Publication number
TWI335202B
TWI335202B TW94116741A TW94116741A TWI335202B TW I335202 B TWI335202 B TW I335202B TW 94116741 A TW94116741 A TW 94116741A TW 94116741 A TW94116741 A TW 94116741A TW I335202 B TWI335202 B TW I335202B
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Taiwan
Prior art keywords
opening
lamp
backlight module
tube
side wall
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TW94116741A
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Chinese (zh)
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TW200642567A (en
Inventor
Hui Kaz Chou
Yi Shiuan Tsai
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Au Optronics Corp
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Priority to TW94116741A priority Critical patent/TWI335202B/en
Publication of TW200642567A publication Critical patent/TW200642567A/en
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Publication of TWI335202B publication Critical patent/TWI335202B/en

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  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Planar Illumination Modules (AREA)

Description

1335202 五、發明說明(1) 【發明所屬之技術領域】1335202 V. INSTRUCTIONS (1) [Technical Field to Be Invented]

本發明有關於一種背光模組,梏g 散熱孔能將光源的發熱散逸至外部的:有關於一種具有 【先前技術】 U H 第1圖為習知的直下式背光模級 1 00包括一燈管支撐架1 0、一擴散片2n不思圖三为光杈組 反射片40。燈管30安裝於燈管支樓架 燈官30以及一 燈管30的下方,可以將燈管30所發出^ ’反射片40设於 散片20設於燈管30的上方,在擴散片、光向上方反射,擴 板(未圖示)。燈管支撐架1〇包括〇:上方設有液晶: 定燈管30。如圖所示,⑨管30係位於:$組12 :用於 散片20以及反射片40所構成的密閉〜’且管支撐架1妊兴 燈管本體31以及左右二電極部33:;=中。•管 發熱’因此長期使用時,密閉空間5 〇 ; :3 1發$二,·孟逐 漸升高至50 °C〜75 °C,而電極部33 |的溫度會從=Γ L松、β也 々1 ^會產生60。(:以上的而 溫,此專^度將厫重影響液晶的特性 【發明内容】 〃〜像特性 有鑑於此,本發明之目的在於提供一種具有散熱孔的 背光核組,可以將燈管支撐架中燈管所發出的熱藉著空氣 對流而從散熱孔散逸至外界。 本發明之背光模組的一較佳實施例一種背光模組,包 括:-底fe、-燈管支撐架、至少一燈管固定座以及至少 -燈管。⑥管支撐架係設置於底板上,並包括一具有一第 一開口的側壁以及一分隔壁。分隔壁具有—第二開口以及The invention relates to a backlight module, wherein the heat dissipation hole can dissipate the heat of the light source to the outside: there is a prior art UH. FIG. 1 is a conventional direct type backlight module 100 including a light tube. The support frame 10 and the diffusion sheet 2n do not consider the third embodiment of the aperture group reflection sheet 40. The lamp tube 30 is installed under the lamp holder 30 and the lower portion of the tube 30, and the reflection sheet 40 of the tube 30 can be disposed on the sheet 20 above the tube 30, in the diffusion sheet, The light is reflected upwards and expanded (not shown). The lamp support frame 1 includes a crucible: a liquid crystal is disposed above: a fixed lamp tube 30. As shown in the figure, the 9 tubes 30 are located at: $12: for the sealing of the sheet 20 and the reflection sheet 40~ and the tube support frame 1 and the left and right electrode portions 31:; in. • Tube heat 'When used for a long time, the closed space is 5 〇; : 3 1 hair $ 2, · Meng gradually rises to 50 ° C ~ 75 ° C, and the temperature of the electrode part 33 | will be from = Γ L loose, β Also 々 1 ^ will produce 60. (: The above temperature, this special degree will seriously affect the characteristics of the liquid crystal. [Inventive content] In view of this, the object of the present invention is to provide a backlight core group having a heat dissipation hole, which can support the lamp tube The heat generated by the lamp in the rack is convected by the air to escape from the heat dissipation hole to the outside. A preferred embodiment of the backlight module of the present invention is a backlight module comprising: a bottom fe, a lamp support frame, at least a lamp holder and at least a tube. The 6 tube support frame is disposed on the bottom plate and includes a side wall having a first opening and a partition wall. The partition wall has a second opening and

第6頁 1335202 五、發明說明(2) 至少一燈管放置槽,分隔壁與側壁係以一連接件連結。燈 管之一電極端藉由該燈管固定座設置於該燈管放置槽。第 一開口係設於該侧壁上,第二開口係設於分隔壁上,並對 應於第一開口 。發光體以及電極所發出的熱可經由第一開 口以及第二開口排放至燈管支撐架的外部。 上述之較佳實施例更包括至少一光學膜片,藉由該分 隔壁或該連接件設置於該至少一燈管上方。 上述之較佳實施例更包括一反射片設置於該底板以及 該燈管支撐架之間。 在上述之較佳實施例中,側壁更具有至少一第三開口 對應於燈管放置槽。 在上述之較佳實施例中,第一開口與第二開口係位於 同一水平位置。 在上述之較佳實施例中,第一開口與第二開口係位於 不同水平位置。 在上述之較佳實施例中,第一開口具有一大於或等於 3毫米之尺寸。 在上述之較佳實施例中,第二開口具有一大於或等於 3亳米之尺寸。 在上述之較佳實施例中,該第一開口與第二開口相對 應。 在上述之較佳實施例中,該第一開口與第二開口相錯 開。 為了讓本發明之上述和其他目的、特徵、和優點能更Page 6 1335202 V. Description of the Invention (2) At least one of the lamps is placed in the groove, and the partition wall and the side wall are connected by a connecting member. One of the electrode ends of the lamp is disposed in the lamp placement slot by the lamp holder. The first opening is disposed on the side wall, and the second opening is disposed on the partition wall and corresponds to the first opening. The illuminant and the heat emitted by the electrodes can be discharged to the outside of the lamp holder via the first opening and the second opening. The preferred embodiment further includes at least one optical film disposed above the at least one lamp tube by the partition wall or the connecting member. The preferred embodiment described above further includes a reflective sheet disposed between the bottom plate and the tube support frame. In the preferred embodiment described above, the side wall further has at least one third opening corresponding to the lamp placement slot. In the preferred embodiment described above, the first opening and the second opening are in the same horizontal position. In the preferred embodiment described above, the first opening and the second opening are at different horizontal positions. In the preferred embodiment described above, the first opening has a dimension greater than or equal to 3 millimeters. In the preferred embodiment described above, the second opening has a size greater than or equal to 3 inches. In the preferred embodiment described above, the first opening corresponds to the second opening. In the preferred embodiment described above, the first opening is offset from the second opening. The above and other objects, features, and advantages of the present invention will be more

0632-A50369TWf(5.0) ; AU0408034 : Chentf.ptd 第7頁 1335202 五、發明說明(4) -^_ 裝於燈管支撐架11〇時,發光部131位於第一空間15〇 電極部133則固定於第二空間丨6〇中的燈管固定座162 ’而 體之形狀無限制,可以為長條形燈管或是具有至少〜*燈 之U型燈管。燈管可以為CCFL(冷陰極螢光燈管),居脅管 部電極螢光燈管。 FL(外 第3a、3b圖為第2圖中A部分從下方觀看的立體自 了方便說明起見,省略底板丨4〇。本發明的背光模級β ,為 了使燈體1 3 0的發光部丨3 1以及電極部丨3 3所產生的熱得0 以為 有效地散逸至外部,分別在側壁丨丨2上設置第一開口丨丨2 i 以及第三開口 U 6 1 ,而在分隔壁1 1 4上設置第二開口丨丨4! 。電極部1 3 3所產生的熱可藉由空氣的自然對流經過第一 開口 1 1 2 1或第三開口丨1 6 1散逸至燈管支撐架11 〇的外部, 發光部1 3 1所產生的熱可藉由空氣的自然對流,經過第二 開口 1141以及第一開口 1121而散逸至燈管支撐架11〇的外 部,如第2圖中箭頭所示。同時第三開口 1161也可用以容 納燈體130的電極部133的導線(lead wire)。 第一開口 11 2 1可與第二開口 11 4 1相向配置,或者是第 一開口 11 2 1與第二開口 1 1 41以交錯的方式排列。第一開口 1 1 2 1及第二開口 11 41可為凹槽或孔洞,其形狀可為圓形, 糖圓形’方形,任何多邊形,或為任何形狀之開口。例如 第3b圖中的第一開口1121則為圓形,且與第二開口1141位 於不同水平位置。為了使自然對流得以順利進行,在一較 佳實施例中,第一開口 1 1 2 1及第二開口 11 41的尺寸至少需 3毫米(即圓形或橢圓形開口之一直徑或—軸至少為3毫0632-A50369TWf(5.0) ; AU0408034 : Chentf.ptd Page 7 1353002 V. Description of the invention (4) -^_ When mounted on the lamp holder 11 ,, the light-emitting portion 131 is located in the first space 15 and the electrode portion 133 is fixed. The shape of the body of the lamp holder 162' in the second space 无6〇 is not limited, and may be a long-shaped tube or a U-shaped tube having at least a ~* lamp. The tube can be a CCFL (Cold Cathode Fluorescent Tube), which is a fluorescent tube of the tube electrode. FL (outer 3a, 3b is a perspective view of the second part of Fig. 2 viewed from below. For convenience of explanation, the bottom plate 省略4〇 is omitted. The backlight mode stage β of the present invention, in order to illuminate the lamp body 130 The heat generated by the portion 3 1 and the electrode portion 丨 3 3 is 0 to be effectively dissipated to the outside, and the first opening 丨丨 2 i and the third opening U 6 1 are respectively disposed on the side wall 丨丨 2, and the partition wall The second opening 丨丨4! is disposed on the 1 1 4 . The heat generated by the electrode portion 1 3 3 can be dissipated to the lamp tube by the natural convection of the air through the first opening 1 1 2 1 or the third opening 丨1 6 1 The heat generated by the light-emitting portion 131 can be dissipated to the outside of the lamp support frame 11 through the second opening 1141 and the first opening 1121 by the natural convection of the air, as shown in FIG. The third opening 1161 can also be used to accommodate the lead wire of the electrode portion 133 of the lamp body 130. The first opening 11 2 1 can be disposed opposite to the second opening 11 4 1 or the first opening 11 2 1 and the second opening 1 1 41 are arranged in a staggered manner. The first opening 1 1 2 1 and the second opening 11 41 may be a groove or a hole, the shape of which may be circular, a sugar circle 'square, any polygon, or an opening of any shape. For example, the first opening 1121 in FIG. 3b is circular and located at the second opening 1141. In order to enable natural convection to proceed smoothly, in a preferred embodiment, the first opening 1 1 2 1 and the second opening 11 41 are at least 3 mm in size (i.e., one of a circular or elliptical opening) Or - the axis is at least 3 millimeters

0632-A50369TWf(5.0) : AU0408034 ; Chentf.ptd 第 9 頁 1335202 五、發明說明(5) 米,或者,方形或任何多邊形之開口至少有一尺寸大於或 等於3毫米)。如第5圖所示,本發明案中所稱之尺寸,可 例如為方形開口 1 1 2 1之長度a、寬度b或對角線c任一尺寸 而言,只要其中之一大於或等於3毫米即可。 【發明之功效】 藉由第一開口以及第二開口的設置,背光模組燈體所 產生的熱得以散逸至燈管支撐架的外部,如此可使燈管支 撐架内的溫度降低至5 0 °C以下,藉此可使液晶保持正常的 物理特性,而維持一定的影像品質。 雖然本發明已以較佳實施例揭露如上,然其並非用以 限定本發明,任何熟習此技藝者,在不脫離本發明之精神 和範圍内,當可作些許之更動與潤飾,因此本發明之保護 範圍當視後附之申請專利範圍所界定者為準。0632-A50369TWf(5.0) : AU0408034 ; Chentf.ptd Page 9 1335202 V. INSTRUCTIONS (5) Meters, or square or any polygonal openings having at least one dimension greater than or equal to 3 mm). As shown in FIG. 5, the size referred to in the present invention may be, for example, the length a of the square opening 1 1 2 1 , the width b or the diagonal c, as long as one of them is greater than or equal to 3. Mm can be. [Effect of the invention] By the arrangement of the first opening and the second opening, the heat generated by the lamp body of the backlight module is dissipated to the outside of the lamp support frame, so that the temperature in the lamp holder can be lowered to 50 Below °C, the liquid crystal can maintain normal physical properties while maintaining a certain image quality. While the present invention has been described in its preferred embodiments, the present invention is not intended to limit the invention, and the present invention may be modified and modified without departing from the spirit and scope of the invention. The scope of protection is subject to the definition of the scope of the patent application.

0632-A50369TWf(5.0) ; AU0408034 ; Chentf.ptd 第 10 頁 1335202 圊式簡單說明 第1圖為習知的直下式背光模組的示意圖。 第2圖為本發明之背光模組之一較佳實施例的示意 圖。 第3a、3b圖為第2圖中A部分的立體圖。 第4a、4b圖燈管支撐架中連接件之其他實施樣態的示 意圖。 第5圖表示第一開口之任一尺寸。 【主要元件符號說明】 10〜燈管支撐架; 1 2〜固定模組; 2 0〜擴散片; 30〜燈管; 3 1〜燈管本體; 3 3〜電極部; 4 0〜反射片; 50〜密閉空間; 1 0 0〜背光模組; I 1 0〜燈管支撐架; II 2〜側壁; 11 4〜分隔壁; 11 6〜連接件; 11 8〜燈管固定槽; 11 9〜支架;0632-A50369TWf(5.0) ; AU0408034 ; Chentf.ptd Page 10 1335202 Simple description of the 第 Figure 1 is a schematic diagram of a conventional direct type backlight module. Figure 2 is a schematic view of a preferred embodiment of a backlight module of the present invention. Figures 3a and 3b are perspective views of a portion A in Fig. 2. 4a, 4b are schematic illustrations of other embodiments of the connector in the lamp holder. Figure 5 shows any of the dimensions of the first opening. [Main component symbol description] 10 ~ lamp support frame; 1 2 ~ fixed module; 2 0 ~ diffuser; 30 ~ lamp tube; 3 1 ~ lamp body; 3 3 ~ electrode part; 4 0 ~ reflection sheet; 50~Confined space; 1 0 0~ backlight module; I 1 0~ lamp support frame; II 2~ side wall; 11 4~ partition wall; 11 6~ connection piece; 11 8~ lamp tube fixing groove; 11 9~ support;

0632-A50369TW(5.0) : AU0408034 : Chentf.ptd 第11頁 1335202 圖式簡單說明 120〜 光學膜片; 130〜 燈體; 131〜 發光部; 133〜 電極部; 140〜 底板; 150〜 第一空間; 1 60〜 第二空間; 1 62〜 固定部; 2 0 0〜 背光模組; 1121- -第一開口; 1 1 4 1〜第二開口; 11 6 1〜第三開口。0632-A50369TW(5.0) : AU0408034 : Chentf.ptd Page 11 13352202 Schematic description 120~ optical diaphragm; 130~ lamp body; 131~ light-emitting part; 133~ electrode part; 140~ bottom plate; 150~ first space 1 60~ second space; 1 62~ fixed part; 2 0 0~ backlight module; 1121--first opening; 1 1 4 1~ second opening; 11 6 1~ third opening.

0632-A50369TWf(5.0) ; AU0408034 ; Chentf.ptd 第12頁0632-A50369TWf(5.0) ; AU0408034 ; Chentf.ptd Page 12

Claims (1)

1335202 六、申請專利範圍 1. 一種燈管支撐架,適用於支撐至少一燈管,包括 一側壁,具有一第一開口;以及 一分隔壁,具有一第二開口以及至少一燈管放置槽, 該分隔壁與該側壁係以一連接件連結。 2. 如申請專利範圍第1項所述之燈管支撐架,其中, 該連接件係為一板片。 3. 如申請專利範圍第1項所述之燈管支撐架,其中, 該第一開口與該第二開口係位於同一水平位置。 4. 如申請專利範圍第1項所述之燈管支撐架,其中, 該第一開口與該第二開口係位於不同水平位置。 5. 如申請專利範圍第1項所述之燈管支撐架,其中, 該第一開口具有一大於或等於3毫米之尺寸。 6. 如申請專利範圍第1項所述之燈管支撐架,其中, 該第二開口具有一大於或等於3毫米之尺寸。 7. 如申請專利範圍第1項所述之燈管支撐架,其中, 該第一開口與第二開口相對應。 8. 如申請專利範圍第1項所述之燈管支撐架,其中, 該第一開口與第二開口相錯開。 9. 如申請專利範圍第8項所述之燈管支撐架,其中, 該侧壁更具有至少一第三開口對應於該至少一燈管放置 槽。 10. 如申請專利範圍第1項所述之燈管支撐架,其中, 更包括一支架,設置於該側壁以及該分隔壁之間。 11 . 一種背光模組,包括:1335202 VI. Patent application scope 1. A lamp tube support frame for supporting at least one lamp tube, comprising a side wall having a first opening; and a partition wall having a second opening and at least one lamp tube placement groove The partition wall and the side wall are coupled by a connecting member. 2. The lamp holder according to claim 1, wherein the connector is a plate. 3. The lamp tube support of claim 1, wherein the first opening and the second opening are in the same horizontal position. 4. The lamp tube support of claim 1, wherein the first opening and the second opening are at different horizontal positions. 5. The lamp holder of claim 1, wherein the first opening has a size greater than or equal to 3 mm. 6. The lamp holder of claim 1, wherein the second opening has a size greater than or equal to 3 mm. 7. The lamp tube support of claim 1, wherein the first opening corresponds to the second opening. 8. The lamp holder of claim 1, wherein the first opening is offset from the second opening. 9. The lamp holder of claim 8, wherein the side wall further has at least one third opening corresponding to the at least one tube placement slot. 10. The lamp tube support of claim 1, further comprising a bracket disposed between the side wall and the partition wall. 11. A backlight module comprising: 0632-A50369TWf(5.0) : AU0408034 ; Chentf.ptd 第13頁 1335202 六、申請專利範圍 一底板; 一燈管支撐架,設置於該底板上,該燈管支撐架包括 一側壁,具有一第一開口;以及一分隔壁,具有一第二開 口以及至少一燈管放置槽,該分隔壁與該側壁係以一連接 件連結; 至少一燈管固定座;以及 至少一燈管,該燈管之一電極端藉由該燈管固定座設 置於該燈管放置槽。 1 2 .如申請專利範圍第1 1項所述之背光模組,其更包 括至少一光學膜片,藉由該分隔壁或該連接件設置於該至 少一燈管上方。 1 3 .如申請專利範圍第1 1項所述之背光模組,其更包 括一反射片設置於該底板以及該燈管支撐架之間。 1 4.如申請專利範圍第1 1項所述之背光模組,其中, 該連接件係為一板片。 1 5 .如申請專利範圍第1 1項所述之背光模組,其中, 該第一開口與該第二開口係位於同一水平位置。 1 6 .如申請專利範圍第1 1項所述之背光模組,其中, 該第一開口與該第二開口係位於不同水平位置。 1 7 .如申請專利範圍第1 1項所述之背光模組,其中, 該第一開口具有一大於或等於3毫米之尺寸。 1 8.如申請專利範圍第11項所述之背光模組,其中, 該第二開口具有一大於或等於3毫米之尺寸。 1 9 .如申請專利範圍第1 1項所述之背光模組,其中,0632-A50369TWf(5.0) : AU0408034 ; Chentf.ptd Page 13 1353002 6. Patent application area: a base plate; a lamp support frame is disposed on the bottom plate, the lamp support frame includes a side wall having a first opening And a partition wall having a second opening and at least one tube placement slot, the partition wall and the side wall being coupled by a connecting member; at least one tube fixing seat; and at least one tube, one of the tubes The electrode end is disposed in the lamp placement slot by the lamp holder. The backlight module of claim 11, further comprising at least one optical film disposed on the at least one tube by the partition wall or the connecting member. The backlight module of claim 11, further comprising a reflective sheet disposed between the bottom plate and the lamp support frame. The backlight module of claim 11, wherein the connector is a plate. The backlight module of claim 11, wherein the first opening and the second opening are in the same horizontal position. The backlight module of claim 11, wherein the first opening and the second opening are at different horizontal positions. The backlight module of claim 11, wherein the first opening has a size greater than or equal to 3 mm. The backlight module of claim 11, wherein the second opening has a size greater than or equal to 3 mm. 1 9 . The backlight module of claim 11, wherein 0632-A50369TWf(5.0) ; AU0408034 ; Chentf.ptd 第14頁 1335202 六、申請專利範圍 該第一開口與第二開口相對應。 2 0 .如申請專利範圍第1 1項所述之背光模組,其中, 該第一開口與第二開口相錯開。 2 1 .如申請專利範圍第1 1項所述之背光模組,其中, 該側壁更具有至少一第三開口對應於該至少一燈管放置 槽。 2 2 .如申請專利範圍第1 1項所述之背光模組,其中, 該至少一燈管為U型管。 2 3.如申請專利範圍第1 1項所述之背光模組,其中, 該燈管支撐架更包括一支架,設置於該側壁以及該分隔壁 之間。0632-A50369TWf(5.0) ; AU0408034 ; Chentf.ptd Page 14 1335202 VI. Patent application scope The first opening corresponds to the second opening. The backlight module of claim 11, wherein the first opening is offset from the second opening. The backlight module of claim 11, wherein the side wall further has at least one third opening corresponding to the at least one tube placement groove. The backlight module of claim 11, wherein the at least one tube is a U-shaped tube. 2. The backlight module of claim 1, wherein the lamp support frame further comprises a bracket disposed between the side wall and the partition wall. 0632-A50369TWf(5.0) ; AU0408034 ;Chentf.ptd 第15頁0632-A50369TWf(5.0) ; AU0408034 ;Chentf.ptd Page 15
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