TW201426127A - Light source module, backlight module and liquid crystal display device - Google Patents
Light source module, backlight module and liquid crystal display device Download PDFInfo
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 26
- 230000017525 heat dissipation Effects 0.000 claims description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
Description
本發明涉及一種光源模組、背光模組及液晶顯示裝置。The invention relates to a light source module, a backlight module and a liquid crystal display device.
液晶顯示裝置因具有低輻射性、體積輕薄短小及耗電低等特點，已廣泛應用於手機、個人數位助理、筆記型電腦、個人電腦及電視等領域。由於液晶顯示裝置的液晶面板本身不具有發光特性，因此，為達到顯示效果，需要給液晶面板提供一背光模組以向液晶面板提供亮度充分且分佈均勻的平面光，從而實現液晶顯示裝置的顯示功能。Liquid crystal display devices have been widely used in mobile phones, personal digital assistants, notebook computers, personal computers and televisions due to their low radiation, small size, short power consumption and low power consumption. Since the liquid crystal panel of the liquid crystal display device does not have the light-emitting property itself, in order to achieve the display effect, it is necessary to provide a backlight module to the liquid crystal panel to provide planar light with sufficient brightness and uniform distribution to the liquid crystal panel, thereby realizing display of the liquid crystal display device. Features.
通常背光模組主要包括導光板、光源、反射片以及一至多個光學膜片。光源通常為點光源或者線光源，在背光模組中用於提供光線。導光板則用於引導光線的方向，並達到亮度均勻的效果，從而為液晶面板提供分佈均勻的平面光。點光源如發光二極體（LED）因其節能、環保的優點越來越多地被應用於背光模組中用於提供光線，中大尺寸的液晶面板常採用多顆點光源排列成線狀的光源帶（Light bar）來取代傳統的線光源，如冷陰極燈管（CCFL）。Generally, the backlight module mainly includes a light guide plate, a light source, a reflective sheet, and one or more optical films. The light source is usually a point source or a line source for providing light in the backlight module. The light guide plate is used to guide the direction of the light and achieve a uniform brightness, thereby providing a uniform distribution of planar light to the liquid crystal panel. Point light sources such as light-emitting diodes (LEDs) are increasingly used in backlight modules for providing light due to their advantages of energy saving and environmental protection. Medium and large-sized liquid crystal panels are often arranged in a line by using multiple point sources. Light bar replaces traditional line sources such as cold cathode lamps (CCFLs).
同時因應目前對液晶顯示裝置輕薄化的要求，業界常將光源帶組成側光式的背光模組來為液晶顯示裝置提供光源。同時，為了保證側光式背光模組的亮度，可增加光源帶上的發光二級管的個數以提高亮度。然而在光源帶長度固定時，可固定至光源帶上的發光二極體的個數是固定的，且發光二極體的個數越多，製造難度越大，同時光源帶上的佈線難度也越大。At the same time, in response to the current demand for thinner and thinner liquid crystal display devices, the industry often uses a light source to form an edge-lit backlight module to provide a light source for the liquid crystal display device. At the same time, in order to ensure the brightness of the edge-lit backlight module, the number of light-emitting diodes on the light source strip can be increased to improve the brightness. However, when the length of the light source belt is fixed, the number of the light-emitting diodes that can be fixed to the light source belt is fixed, and the number of the light-emitting diodes is more, the manufacturing difficulty is greater, and the wiring difficulty on the light source belt is also The bigger.
有鑒於此，有必要提供一種一種制程簡單且亮度較佳的光源模組。In view of this, it is necessary to provide a light source module with simple process and better brightness.
有鑒於此，也有必要提供一種採用上述光源模組的背光模組。In view of this, it is also necessary to provide a backlight module using the above light source module.
有鑒於此，還有必要提供一種採用上述背光模組的液晶顯示裝置。In view of this, it is also necessary to provide a liquid crystal display device using the above backlight module.
一種光源模組，其包括散熱背板及光源。該光源包括第一發光條和第二發光條，該第一發光條包括第一印刷電路板及多個設置在該第一印刷電路板上的發光二極體，該第二發光條包括第二印刷電路板及設置在該第二印刷電路板上的多個發光二極體，該第一發光條與第二發光條固定在該散熱背板上，且該第一印刷電路板和第二印刷電路板相對設置，該第一印刷電路板上的發光二極體與第二印刷電路板上的發光二極體彼此間隔地排列為一排。A light source module includes a heat dissipation backplane and a light source. The light source includes a first light strip and a second light strip, the first light strip includes a first printed circuit board and a plurality of light emitting diodes disposed on the first printed circuit board, and the second light strip includes a second a printed circuit board and a plurality of light emitting diodes disposed on the second printed circuit board, the first light strip and the second light strip are fixed on the heat dissipation back board, and the first printed circuit board and the second printing The circuit board is oppositely disposed, and the light emitting diodes on the first printed circuit board and the light emitting diodes on the second printed circuit board are arranged in a row at a distance from each other.
一種背光模組，其包括光源模組及用以承載固定光源模組的框架。該光源模組包括散熱背板及光源。該光源包括第一發光條和第二發光條，該第一發光條包括第一印刷電路板及多個設置在該第一印刷電路板上的發光二極體，該第二發光條包括第二印刷電路板及設置在該第二印刷電路板上的多個發光二極體，該第一發光條與第二發光條固定在該散熱背板上，且該第一印刷電路板和第二印刷電路板相對設置，該第一印刷電路板上的發光二極體與第二印刷電路板上的發光二極體彼此間隔地排列為一排。A backlight module includes a light source module and a frame for carrying the fixed light source module. The light source module includes a heat dissipation back plate and a light source. The light source includes a first light strip and a second light strip, the first light strip includes a first printed circuit board and a plurality of light emitting diodes disposed on the first printed circuit board, and the second light strip includes a second a printed circuit board and a plurality of light emitting diodes disposed on the second printed circuit board, the first light strip and the second light strip are fixed on the heat dissipation back board, and the first printed circuit board and the second printing The circuit board is oppositely disposed, and the light emitting diodes on the first printed circuit board and the light emitting diodes on the second printed circuit board are arranged in a row at a distance from each other.
一種液晶顯示裝置，其包括液晶顯示面板與為該液晶顯示面板提供平面光的背光模組，該背光模組包括光源模組及用以承載固定光源模組的框架。該光源模組包括散熱背板及光源。該光源包括第一發光條和第二發光條，該第一發光條包括第一印刷電路板及多個設置在該第一印刷電路板上的發光二極體，該第二發光條包括第二印刷電路板及設置在該第二印刷電路板上的多個發光二極體，該第一發光條與第二發光條固定在該散熱背板上，且該第一印刷電路板和第二印刷電路板相對設置，該第一印刷電路板上的發光二極體與第二印刷電路板上的發光二極體彼此間隔地排列為一排。A liquid crystal display device includes a liquid crystal display panel and a backlight module for providing planar light to the liquid crystal display panel. The backlight module includes a light source module and a frame for carrying the fixed light source module. The light source module includes a heat dissipation back plate and a light source. The light source includes a first light strip and a second light strip, the first light strip includes a first printed circuit board and a plurality of light emitting diodes disposed on the first printed circuit board, and the second light strip includes a second a printed circuit board and a plurality of light emitting diodes disposed on the second printed circuit board, the first light strip and the second light strip are fixed on the heat dissipation back board, and the first printed circuit board and the second printing The circuit board is oppositely disposed, and the light emitting diodes on the first printed circuit board and the light emitting diodes on the second printed circuit board are arranged in a row at a distance from each other.
由於本發明將第一、第二發光條相對設置，從而使得兩條發光條上的發光二極體彼此間隔的排列為一排，因此，每一發光條的印刷電路板上的發光二極體的排列密度即可變稀疏，從而降低發光條的製造難度，降低發光條的印刷電路板的佈線難度，同時將兩條發光條的發光二極體排列為一排還可增加光源模組的光源的密度，增加光源模組的亮度。Since the first and second light-emitting strips are disposed opposite each other such that the light-emitting diodes on the two light-emitting strips are arranged in a row with each other, the light-emitting diodes on the printed circuit board of each of the light-emitting strips The arrangement density can be thinned, thereby reducing the manufacturing difficulty of the light-emitting strips, reducing the difficulty of wiring the printed circuit boards of the light-emitting strips, and arranging the light-emitting diodes of the two light-emitting strips into one row to increase the light source of the light source module. The density increases the brightness of the light source module.
請參閱圖1，是本發明背光模組的立體分解示意圖。該背光模組20包括光源模組21、導光板22、反射片23及框架(圖未示)，該框架收容該光源模組21、導光板22、反射片23於其內。Please refer to FIG. 1 , which is a perspective exploded view of a backlight module of the present invention. The backlight module 20 includes a light source module 21, a light guide plate 22, a reflection sheet 23, and a frame (not shown). The frame houses the light source module 21, the light guide plate 22, and the reflection sheet 23 therein.
該光源模組21包括光源210及散熱背板216。該光源210包括第一發光條211和第二發光條212。該第一發光條211包括第一印刷電路板2111及設置在第一印刷電路板2111上的多個發光二極體2112。該第二發光條212包括第二印刷電路板2121及多個發光二極體2122。The light source module 21 includes a light source 210 and a heat dissipation backing plate 216. The light source 210 includes a first light bar 211 and a second light bar 212. The first light emitting strip 211 includes a first printed circuit board 2111 and a plurality of light emitting diodes 2112 disposed on the first printed circuit board 2111. The second light bar 212 includes a second printed circuit board 2121 and a plurality of light emitting diodes 2122.
該散熱背板216包括底板2161、上板2162及側壁2163。該底板2161與上板2162平行相對設置，該側壁2163垂直連接該底板2161與上板2162。該底板2161在垂直側壁2163延伸方向上的長度大於上板2162的長度。且該底板2161遠離側壁處設置容置槽2164，從而形成一臺階。本實施例中，該散熱背板為鋁背板。The heat dissipation backplane 216 includes a bottom plate 2161, an upper plate 2162, and a side wall 2163. The bottom plate 2161 is disposed in parallel with the upper plate 2162. The side wall 2163 vertically connects the bottom plate 2161 and the upper plate 2162. The length of the bottom plate 2161 in the direction in which the vertical side walls 2163 extend is greater than the length of the upper plate 2162. The bottom plate 2161 is disposed at a distance from the side wall to form a receiving groove 2164, thereby forming a step. In this embodiment, the heat dissipation backplane is an aluminum backplane.
該導光板22包括一出光面221、一與該出光面221相對的底面222以及分別與該出光面、底面221、222相連的多個側面223。本實施例中，該導光板22為矩形，其包括四個側面213。The light guide plate 22 includes a light emitting surface 221, a bottom surface 222 opposite to the light emitting surface 221, and a plurality of side surfaces 223 connected to the light emitting surface and the bottom surface 221 and 222, respectively. In this embodiment, the light guide plate 22 is rectangular and includes four side faces 213.
請一併參閱圖2，該光源模組21組裝時，該第一發光條211固定在該上板2162上，該第二發光條固定在底板2161上，且使得第一發光條211的第一印刷電路板2111與第二發光條212的第二印刷電路板2121相對設置，該第一印刷電路板2111上的發光二極體2112與第二印刷電路板2121上的發光二極體2122彼此間隔排列成為一排。該第一發光條211與第二發光條212可通過螺絲鎖固方式固定在散熱背板216上，也可以通過黏接方式固定在散熱背板216上。本實施例中，採用螺絲鎖固方式。As shown in FIG. 2 , when the light source module 21 is assembled, the first light bar 211 is fixed on the upper plate 2162 , and the second light bar is fixed on the bottom plate 2161 , and the first light bar 211 is first. The printed circuit board 2111 is disposed opposite to the second printed circuit board 2121 of the second light-emitting strip 212, and the light-emitting diodes 2112 on the first printed circuit board 2111 and the light-emitting diodes 2122 on the second printed circuit board 2121 are spaced apart from each other. Arranged into a row. The first light-emitting strip 211 and the second light-emitting strip 212 can be fixed on the heat-dissipating back plate 216 by screwing, or can be fixed on the heat-dissipating backing plate 216 by adhesive bonding. In this embodiment, a screw locking method is adopted.
該背光模組20組裝時，將光源模組21固定在背光模組的框架內，本實施例中，可通過螺絲鎖固的方式將光源模組21的散熱背板216固定在框架上。反射片23及導光板22依次放入框架，並使得該反射片23對應該散熱背板216的容置槽2164，該導光板22的底面222鄰近反射片23，使得導光板22位於反射片23上，且導光板22位於該底板2161因容置槽2164所形成的臺階上。該第一、第二發光條211、212的發光二極體2112、2122鄰近該導光板22的一側面223設置，則該側面223作為該導光板22的入光面。When the backlight module 20 is assembled, the light source module 21 is fixed in the frame of the backlight module. In this embodiment, the heat dissipation back plate 216 of the light source module 21 can be fixed to the frame by screw locking. The reflective sheet 23 and the light guide plate 22 are sequentially placed in the frame, and the reflective sheet 23 is disposed corresponding to the receiving groove 2164 of the heat dissipation backing plate 216. The bottom surface 222 of the light guide plate 22 is adjacent to the reflective sheet 23, so that the light guide plate 22 is located on the reflective sheet 23. The light guide plate 22 is located on the step formed by the bottom plate 2161 by the receiving groove 2164. The light-emitting diodes 2112 and 2122 of the first and second light-emitting strips 211 and 212 are disposed adjacent to a side surface 223 of the light guide plate 22, and the side surface 223 serves as a light-incident surface of the light guide plate 22.
由於第一、第二發光條211、212相對設置，從而使得兩條發光條211、212上的發光二極體2112、2122彼此間隔的排列為一排。因此，每一發光條的印刷電路板上的發光二極體的排列密度即可變稀疏，從而降低發光條的製造難度，降低發光條的印刷電路板的佈線難度。同時將兩條發光條211、212的發光二極體2112、2122彼此間隔的排列為一排還可增加光源模組21的光源的密度，增加光源模組21的亮度。Since the first and second light-emitting strips 211 and 212 are disposed opposite to each other, the light-emitting diodes 2112 and 2122 on the two light-emitting strips 211 and 212 are arranged in a row. Therefore, the arrangement density of the light-emitting diodes on the printed circuit board of each of the light-emitting strips can be made sparse, thereby reducing the manufacturing difficulty of the light-emitting strips and reducing the wiring difficulty of the printed circuit boards of the light-emitting strips. Simultaneously arranging the light-emitting diodes 2112 and 2122 of the two light-emitting strips 211 and 212 in a row can increase the density of the light source of the light source module 21 and increase the brightness of the light source module 21.
請參閱圖3，是本發明液晶顯示裝置的示意圖。該液晶顯示裝置2包括液晶面板29及相對該液晶面板29設置的背光模組，該背光模組可採用上述實施例中的背光模組20。Please refer to FIG. 3, which is a schematic diagram of a liquid crystal display device of the present invention. The liquid crystal display device 2 includes a liquid crystal panel 29 and a backlight module disposed opposite to the liquid crystal panel 29. The backlight module 20 can be the backlight module 20 in the above embodiment.
然而，本案的背光模組不限於上述實施方式所述，例如，該背光模組中光源模組的數量可根據需要變更設計，可以為二或者二以上，並使得發光二極體鄰近導光板側面設置，鄰近發光二極體的導光板側面即為入光面。However, the backlight module of the present invention is not limited to the above embodiments. For example, the number of the light source modules in the backlight module may be changed according to requirements, and may be two or more, and the light emitting diodes are adjacent to the side of the light guide plate. The side surface of the light guide plate adjacent to the light emitting diode is a light incident surface.
綜上所述，本發明符合發明專利要件，爰依法提出專利申請。惟，以上所述者僅為本發明之較佳實施例，舉凡熟悉本案技藝之人士，在爰依本發明精神所作之等效修飾或變化，皆應涵蓋於以下之申請專利範圍內。In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art will be included in the following claims.
20．．．背光模組20. . . Backlight module
21．．．光源模組twenty one. . . Light source module
210．．．光源210. . . light source
211．．．第一發光條211. . . First light strip
2111．．．第一印刷電路板2111. . . First printed circuit board
212．．．第二發光條212. . . Second light bar
2121．．．第二印刷電路板2121. . . Second printed circuit board
2112、2122．．．發光二極體2112, 2122. . . Light-emitting diode
216．．．散熱背板216. . . Thermal backplane
2161．．．底板2161. . . Bottom plate
2162．．．上板2162. . . On board
2163．．．側壁2163. . . Side wall
2164．．．容置槽2164. . . Locating slot
22．．．導光板twenty two. . . Light guide
221．．．出光面221. . . Glossy surface
222．．．底面222. . . Bottom
223．．．側面223. . . side
23．．．反射片twenty three. . . A reflective sheet
2．．．液晶顯示裝置2. . . Liquid crystal display device
29．．．液晶面板29. . . LCD panel
圖1是本發明的背光模組的一較佳實施方式的立體分解示意圖。1 is a perspective exploded view of a preferred embodiment of a backlight module of the present invention.
圖2是圖1所示的背光模組的光源模組的組裝示意圖。2 is a schematic view showing the assembly of the light source module of the backlight module shown in FIG. 1.
圖3是本發明的液晶顯示裝置的示意圖。Fig. 3 is a schematic view of a liquid crystal display device of the present invention.
20．．．背光模組20. . . Backlight module
21．．．光源模組twenty one. . . Light source module
210．．．光源210. . . light source
211．．．第一發光條211. . . First light strip
2111．．．第一印刷電路板2111. . . First printed circuit board
212．．．第二發光條212. . . Second light bar
2121．．．第二印刷電路板2121. . . Second printed circuit board
2112、2122．．．發光二極體2112, 2122. . . Light-emitting diode
216．．．散熱背板216. . . Thermal backplane
2161．．．底板2161. . . Bottom plate
2162．．．上板2162. . . On board
2163．．．側壁2163. . . Side wall
2164．．．容置槽2164. . . Locating slot
22．．．導光板twenty two. . . Light guide
221．．．出光面221. . . Glossy surface
222．．．底面222. . . Bottom
223．．．側面223. . . side
23．．．反射片twenty three. . . A reflective sheet
Claims (10)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210569496.5A CN103899979A (en) | 2012-12-25 | 2012-12-25 | Light source module, backlight module and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW201426127A true TW201426127A (en) | 2014-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW101151302A TW201426127A (en) | 2012-12-25 | 2012-12-28 | Light source module, backlight module and liquid crystal display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103899979A (en) |
| TW (1) | TW201426127A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105242452A (en) * | 2015-09-30 | 2016-01-13 | 深圳天珑无线科技有限公司 | Backlight module, liquid crystal display module and mobile phone |
| CN105782820B (en) * | 2016-04-27 | 2018-07-27 | 合肥京东方显示光源有限公司 | The assemble method of backboard, back light unit, display device and back light unit |
| CN107816645B (en) * | 2016-09-13 | 2024-02-06 | 赛尔富电子有限公司 | Ultrathin LED strip lamp |
| CN218298703U (en) * | 2022-04-19 | 2023-01-13 | 京东方科技集团股份有限公司 | Light bar assembly, backlight module and display device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101290284B1 (en) * | 2006-08-01 | 2013-08-07 | 삼성디스플레이 주식회사 | Backlight assembly, liquid crystal display having backlight assembly and method of assembling the Backlight assembly |
| CN201288957Y (en) * | 2008-09-27 | 2009-08-12 | 上海广电光电子有限公司 | LED back light module unit |
| CN202303018U (en) * | 2011-09-26 | 2012-07-04 | 苏州达方电子有限公司 | Backlight module and light-emitting keyboard |
| CN202394007U (en) * | 2011-11-01 | 2012-08-22 | 深圳市华星光电技术有限公司 | Liquid crystal display (LCD) device |
| CN102606940A (en) * | 2012-02-13 | 2012-07-25 | 苏州佳世达电通有限公司 | Backlight module |
| CN202598330U (en) * | 2012-06-01 | 2012-12-12 | 京东方科技集团股份有限公司 | Side incidence type backlight module and liquid crystal display device |
-
2012
- 2012-12-25 CN CN201210569496.5A patent/CN103899979A/en active Pending
- 2012-12-28 TW TW101151302A patent/TW201426127A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN103899979A (en) | 2014-07-02 |
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