WO2014106353A1 - 一种具有侧入式背光的液晶模组及液晶显示器 - Google Patents
一种具有侧入式背光的液晶模组及液晶显示器 Download PDFInfo
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- WO2014106353A1 WO2014106353A1 PCT/CN2013/070331 CN2013070331W WO2014106353A1 WO 2014106353 A1 WO2014106353 A1 WO 2014106353A1 CN 2013070331 W CN2013070331 W CN 2013070331W WO 2014106353 A1 WO2014106353 A1 WO 2014106353A1
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- WIPO (PCT)
- Prior art keywords
- light
- liquid crystal
- backlight
- led
- aluminum extrusion
- Prior art date
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 55
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 61
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 61
- 238000001125 extrusion Methods 0.000 claims abstract description 37
- 238000001179 sorption measurement Methods 0.000 claims abstract description 15
- 239000012788 optical film Substances 0.000 claims abstract description 9
- 239000000758 substrate Substances 0.000 claims description 51
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 229910052759 nickel Inorganic materials 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 238000007747 plating Methods 0.000 claims description 10
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000013459 approach Methods 0.000 description 3
- 238000003490 calendering Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/009—Positioning aspects of the light source in the package
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/0073—Light emitting diode [LED]
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0091—Positioning aspects of the light source relative to the light guide
Definitions
- the present invention relates to a thin film transistor liquid crystal display (TFT-LCD) technology, and more particularly to a liquid crystal module having a side-lit backlight and a liquid crystal display.
- TFT-LCD thin film transistor liquid crystal display
- LED Light Emitting Diode
- the calender distance In a large-sized liquid crystal display with a side-lit backlight, the distance from the light-emitting surface of the LED backlight in the backlight module to the light guide plate is called the calender distance, and the calender distance is an important optical parameter.
- the difference in the size of the liquid crystal display usually needs to be maintained in the range of 0.3 to 1.5 mm. If the calender distance is too large, the utilization efficiency of the backlight's light energy will be reduced; if the calender distance is too small, the LED backlight may be easily pressed when the light guide plate is subjected to an external force or when it is heated, which may cause LED backlight Damage to the source, resulting in poor display of the liquid crystal display or even black screen. Therefore, how to ensure the accuracy of the illuminating distance in the liquid crystal module is an urgent problem to be solved in the design or production process of the liquid crystal display.
- the technical problem to be solved by the present invention is to provide a liquid crystal module with a side-in backlight and a liquid crystal display, which can prevent the calender distance from being too small and ensure the safety of the backlight.
- an aspect of an embodiment of the present invention provides a liquid crystal module having a side-lit backlight, wherein at least: an aluminum extrusion having an aluminum extruded vertical plate; a side-in backlight, disposed in the aluminum On the inner side wall of the squeezing plate, the backlight includes a backlight substrate, and is spaced apart from the backlight a plurality of light-emitting diodes LEDs on the source substrate; a light guide plate having a light-incident surface and a light-emitting surface; the light-emitting surface is opposite to the light-emitting surface of the LED of the side-in backlight; the optical film group is located above the light guide plate, a light-emitting surface of the light guide plate; a plastic frame located outside the aluminum extrusion; at least one magnetic attraction device having at least one adsorption surface for adsorbing plating at a position between the at least two LEDs on the backlight substrate On the nickel layer or the wrapped
- the magnetic device is a neodymium iron boron magnet block.
- the difference between the outer surface of the light-emitting surface of the magnetic device protruding from the LED and the light-emitting surface of the LED is 0.3 to 1.5 mm.
- the outer surface of the magnetic device approaches or abuts against the light guide plate.
- the aluminum extrusion includes an aluminum extruded bottom plate, and an aluminum extruded vertical plate which is extended from the aluminum extruded bottom plate and perpendicular thereto.
- the backlight substrate is an aluminum plate or a glass cloth substrate.
- a liquid crystal module having a side-lit backlight, wherein at least: an aluminum extrusion having an aluminum extruded vertical plate; a side-entry backlight disposed on the aluminum extruded vertical plate On the inner sidewall, the backlight comprises a backlight substrate, and a plurality of LEDs disposed on the backlight substrate; the light guide plate is provided with a light incident surface and a light exit surface, and the light incident surface is opposite to the LED of the side input backlight a light-emitting surface; an optical film group, located above the light guide plate, facing the light-emitting surface of the light guide plate; a plastic frame located outside the aluminum extrusion; at least one magnetic device having at least one adsorption surface for adsorbing in the backlight On the substrate, and an outer surface protruding from the light emitting surface of the LED, the outer surface of the magnetic device faces the side of the light guide plate, and the outer surface of the magnetic device approaches or abuts
- the difference between the outer surface of the light-emitting surface of the magnetic device protruding from the LED and the light-emitting surface of the LED is 0.3 to 1.5 mm.
- the magnetic device is a neodymium iron boron magnet block.
- the aluminum extrusion includes an aluminum extruded bottom plate, and an aluminum extruded vertical plate which is extended from the aluminum extruded bottom plate and perpendicular thereto.
- the backlight substrate is an aluminum plate or a glass cloth substrate.
- the plurality of LEDs are spaced apart on the backlight substrate, and at least two of the backlight substrates are A nickel plating layer is disposed between the LEDs, and the adsorption surface of the magnetic device is adsorbed on the nickel plating layer.
- the plurality of LEDs are disposed on the backlight substrate at intervals, and a layer of iron is wrapped around the at least two LEDs of the backlight substrate, and the adsorption surface of the magnetic device is adsorbed on the iron layer.
- a further aspect of the embodiments of the present invention further provides a liquid crystal display including a liquid crystal module having a side-lit backlight, wherein the liquid crystal module includes at least: an aluminum extruded vertical panel; a side-in backlight
- the light source is disposed on the inner sidewall of the aluminum extruded vertical plate, the backlight comprises a backlight substrate, and a plurality of light emitting diodes LEDs respectively disposed on the backlight substrate;
- the light guide plate is provided with a light incident surface and a light exit surface, and the light incident surface a light-emitting surface of the LED facing the side-lit backlight; an optical film group located above the light guide plate facing the light-emitting surface of the light guide plate; a plastic frame located outside the aluminum extrusion; at least one magnetic device having at least one An adsorption surface for adsorbing a nickel plating layer or a wrapped iron layer disposed at a position between at least two LEDs on the backlight substrate, and an outer surface protru
- the magnetic device is a neodymium iron boron magnet block.
- the difference between the outer surface of the light-emitting surface of the magnetic device protruding from the LED and the light-emitting surface of the LED is 0.3 to 1.5 mm.
- the outer surface of the magnetic device approaches or abuts against the light guide plate.
- the aluminum extrusion includes an aluminum extruded bottom plate, and an aluminum extruded vertical plate which is extended from the aluminum extruded bottom plate and perpendicular thereto.
- the backlight substrate is an aluminum plate or a glass cloth substrate.
- a magnetic device (magnet block) is disposed between adjacent LED lamps of an LED light bar (backlight substrate), and the magnetic device protrudes a certain distance from the light emitting surface of the LED lamp, so that the guiding When the light plate contacts the magnetic device, it will maintain a fixed distance from the LED lamp, thereby ensuring that the calendering distance is not too small.
- the magnetic device is first pressed, and the magnetic attraction is The device has sufficient impact resistance to ensure that the LED lamp is protected from compression or impact, thereby ensuring the safety of the LED lamp.
- FIG. 1 is a schematic view showing a structure when a light guide plate is not mounted in a liquid crystal module having a side-lit backlight according to an embodiment of the present invention
- Figure 2 is an enlarged schematic view of a portion A in Figure 1;
- FIG. 3 is a schematic structural view of a liquid crystal module having a side-lit backlight according to an embodiment of the present invention when a light guide plate or the like is mounted;
- Figure 4 is an enlarged schematic view of a portion B in Figure 3;
- Figure 5 is a partial schematic view of the A-A cross section of Figure 3.
- FIGS. 1 to 5 a schematic structural view of a liquid crystal module having a side-lit backlight of the present invention is shown.
- the liquid crystal module with the side-lit backlight of the present invention at least includes: an aluminum extrusion 1 further comprising an aluminum extrusion base 11 and an aluminum extrusion extending from the aluminum extrusion base 11 and perpendicular thereto Riser 10;
- the side-lit backlight 2 is disposed on the inner sidewall of the aluminum extruded vertical plate 10, the backlight includes a backlight substrate 20, and a plurality of LEDs 21 disposed on the backlight substrate 20;
- the light guide plate 3 is provided with a light incident surface and a light exit surface, and the light incident surface is opposite to the light emitting surface of the side input backlight;
- the optical film group 4 is located above the light guide plate 3, facing the light emitting surface of the light guide plate 3.
- the optical film group 4 may include, for example, a diffusion plate and a prism plate;
- the reflector 7 is disposed below the light guide plate 3;
- the plastic frame 5 is located outside the aluminum extruded vertical plate 10;
- At least one magnetic device 6 having at least one adsorption surface for adsorbing on the backlight substrate 20 and an outer surface protruding from the light emitting surface of the LED 21, the outer surface of the magnetic device 6 facing the light guide plate 5
- the magnetic device 6 is a square neodymium iron boron magnetic
- the iron block due to the neodymium magnet of the neodymium iron boron magnet, is advantageously machined into various shapes, and has high impact resistance.
- the difference in size is different from the difference in the distance between the outer surface of the light-emitting surface of the LED 21 and the light-emitting surface of the LED 21, which is in the range of 0.3 to 1.5 mm.
- the backlight substrate 20 is an aluminum plate, and the plurality of LEDs 21 are disposed on the backlight substrate 20 through the pads, and a plated portion is disposed between the at least two LEDs of the backlight substrate 20.
- the adsorption surface of the magnetic device 6 is adsorbed on the nickel plating layer 200.
- the backlight substrate 20 is a glass cloth substrate, and the plurality of LEDs 21 are disposed on the backlight substrate 20 through the pads, and a layer is wrapped between the at least two LEDs of the backlight substrate 20.
- the iron layer is substituted for the nickel plating layer 200 in the previous embodiment, and the adsorption surface of the magnetic device 6 is adsorbed on the iron layer.
- the present invention also provides a liquid crystal display using the liquid crystal module as disclosed in Figs.
- a liquid crystal module with a side-lit backlight of the present invention is provided with a magnetic device (magnet block) between adjacent LED lamps of an LED light bar (backlight substrate), and the magnetic device protrudes from the LED light
- the surface is at a certain distance, so that the light guide plate maintains a fixed distance from the LED lamp when contacting the magnetic device, thereby ensuring that the calendering distance is not too small, and the light guide plate is first pressed when subjected to an external force or when heated.
- the magnetic device, and the magnetic device has sufficient impact resistance, so as to ensure that the LED lamp is protected from pressure or impact, thereby ensuring the safety of the LED lamp and prolonging the service life of the LED lamp.
- a plurality of magnetic devices may be arranged on the backlight substrate;
- the magnetic device has no influence on the deflection of the liquid crystal molecules in the liquid crystal display in the presence of a fixed magnetic field, and has no effect on the liquid crystal display effect.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
一种具有侧入式背光的液晶模组,至少包括:铝挤(1)、侧入式背光源(2)、导光板(3)、光学膜片组(4)、胶框(5)及至少一个磁吸装置(6),其至少具有一吸附面,用于吸附在背光源(2)上,以及一突出于背光源(2)发光面的外表面,磁吸装置(6)的外表面接近或抵靠导光板(3),并与背光源(2)发光面存在有固定距离的落差。一种采用上述具有侧入式背光的液晶模组的液晶显示器。可以防止液晶模组的藕光距离过小,提高背光源(2)的防冲击能力,提高背光源(2)的使用寿命。
Description
一种具有侧入式背光的液晶模组及液晶显示器
本申请要求于 2013 年 1 月 6 日提交中国专利局、 申请号为 201310003317.6、 发明名称为 "一种具有侧入式背光的液晶模组及液晶显示 器" 的中国专利申请的优先权, 上述专利的全部内容通过引用结合在本申请 中。 技术领域
本发明涉及薄膜晶体管液晶显示器( Thin Film Transistor Liquid Crystal Display, TFT-LCD )技术, 特别涉及一种具有侧入式背光的液晶模组及液晶 显示器。
背景技术
在现有技术中, TFT-LCD 所使用的背光, 大多数采用的是发光二极管 ( Light Emitting Diode, LED )作为光源, 其 LED具有高效节能的优点。
在大尺寸的具有侧入式背光的液晶显示器中, 其背光模组中的 LED背 光源的发光面到导光板的距离被称为藕光距离, 藕光距离是一个很重要的光 学参数, 随着液晶显示器尺寸的不同通常需要保持在 0.3〜1.5mm 范围的距 离。 如果藕光距离过大, 则背光源的光能的利用效率会降低; 如果藕光距离 过小, 则在导光板受到外力冲击时或者受热膨胀时容易压迫 LED背光源, 有可能会造成 LED背光源的损坏, 从而导致液晶显示器显示不畅甚至会黑 屏。 因此如何确保液晶模组中藕光距离精准是在液晶显示器的设计或生产过 程中急待解决的问题。
发明内容
本发明所要解决的技术问题在于,提供一种具有侧入式背光的液晶模组 及液晶显示器, 可以防止藕光距离过小, 保证背光源的安全性。
为了解决上述技术问题,本发明实施例的一方面提供了一种具有侧入式 背光的液晶模组, 其中, 至少包括: 具有铝挤竖板的铝挤; 侧入式背光源, 设置在铝挤竖板的内侧壁上, 背光源包括背光源基板, 以及间隔设置于背光
源基板上的多颗发光二极管 LED; 导光板, 设有入光面和出光面, 入光面正 对侧入式背光源的 LED 的发光面; 光学膜片组, 位于导光板的上方, 正对 导光板的出光面; 胶框, 位于铝挤的外侧; 至少一个磁吸装置, 其至少具有 一吸附面, 用于吸附在背光源基板上至少两颗 LED之间的位置上所设置的 镀镍层或所包裹的铁皮层上, 以及一突出于 LED的发光面的外表面, 磁吸 装置的外表面正对导光板的侧边, 并与 LED发光面存在有固定距离的落差。
其中, 磁吸装置为钕铁硼磁铁块。
其中, 磁吸装置的突出于 LED的发光面的外表面与 LED的发光面所存 在的落差范围为: 0.3〜1.5mm。
其中, 磁吸装置的外表面接近或抵靠导光板。
其中, 铝挤包括铝挤底板, 以及由铝挤底板延伸出的并且与其垂直的铝 挤竖板。
其中, 背光源基板为铝板或玻璃布基板。
相应地, 本发明实施例另一方面提供一种具有侧入式背光的液晶模组, 其中, 至少包括: 具有铝挤竖板的铝挤; 侧入式背光源, 设置在铝挤竖板的 内侧壁上, 背光源包括背光源基板, 以及设置于背光源基板上的多颗发光二 极管 LED; 导光板,设有入光面和出光面,入光面正对侧入式背光源的 LED 的发光面; 光学膜片组, 位于导光板的上方, 正对导光板的出光面; 胶框, 位于铝挤的外侧; 至少一个磁吸装置, 其至少具有一吸附面, 用于吸附在背 光源基板上, 以及一突出于 LED的发光面的外表面, 磁吸装置的外表面正 对导光板的侧边, 且磁吸装置的外表面接近或抵靠导光板, 并与 LED发光 面存在有固定距离的落差。
其中, 磁吸装置的突出于 LED的发光面的外表面与 LED的发光面所存 在的落差范围为: 0.3〜1.5mm。
其中, 磁吸装置为钕铁硼磁铁块。
其中, 铝挤包括铝挤底板, 以及由铝挤底板延伸出的并且与其垂直的铝 挤竖板。
其中, 背光源基板为铝板或玻璃布基板。
其中, 多颗 LED 间隔设置于背光源基板上, 在背光源基板的至少两颗
LED之间的位置上设置有一层镀镍层, 磁吸装置的吸附面吸附于该镀镍层 上。
其中, 多颗 LED 间隔设置于背光源基板上, 在背光源基板的至少两颗 LED之间的位置上包裹有一层铁皮层, 磁吸装置的吸附面吸附于铁皮层上。
相应地, 本发明实施例的再一方面还提供一种液晶显示器, 其包括有具 有侧入式背光的液晶模组, 其中, 液晶模组至少包括: 具有铝挤竖板的; 侧 入式背光源, 设置在铝挤竖板的内侧壁上, 背光源包括背光源基板, 以及间 隔设置于背光源基板上的多颗发光二极管 LED; 导光板,设有入光面和出光 面, 入光面正对侧入式背光源的 LED的发光面; 光学膜片组, 位于导光板 的上方, 正对导光板的出光面; 胶框,位于铝挤的外侧; 至少一个磁吸装置, 其至少具有一吸附面, 用于吸附在背光源基板上至少两颗 LED之间的位置 上所设置的镀镍层或所包裹的铁皮层上, 以及一突出于 LED 的发光面的外 表面, 磁吸装置的外表面正对导光板的侧边, 并与 LED发光面存在有固定 距离的落差。
其中, 磁吸装置为钕铁硼磁铁块。
其中, 磁吸装置的突出于 LED的发光面的外表面与 LED的发光面所存 在的落差范围为: 0.3〜1.5mm。
其中, 磁吸装置的外表面接近或抵靠导光板。
其中, 铝挤包括铝挤底板, 以及由铝挤底板延伸出的并且与其垂直的铝 挤竖板。
其中, 背光源基板为铝板或玻璃布基板。
实施本发明实施例, 具有如下有益效果:
根据本发明的实施例, 在 LED灯条 (背光源基板 )的相邻 LED灯之间 设置有磁吸装置(磁铁块), 且该磁吸装置突出该 LED灯发光面一定距离, 故使导光板在接触该磁吸装置时, 会与 LED灯保持固定的距离, 从而保证 藕光距离不至于过小, 当导光板受到外力冲击时或者受热膨胀时首先会压迫 到磁吸装置, 而磁吸装置具有足够的抗冲击能力, 从而可以保证 LED灯免 受压迫或冲击, 从而保证 LED灯的安全性。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案, 下面将对实 施例或现有技术描述中所需要使用的附图作简单地介绍, 显而易见地, 下面 描述中的附图仅仅是本发明的一些实施例, 对于本领域普通技术人员来讲, 在不付出创造性劳动的前提下, 还可以根据这些附图获得其他的附图。
图 1是本发明实施例具有侧入式背光的液晶模组中未安装导光板时的结 构示意图;
图 2是图 1中局部 A的放大示意图;
图 3是本发明实施例具有侧入式背光的液晶模组中安装有导光板等部件 时的结构示意图;
图 4是图 3中局部 B的放大示意图;
图 5是图 3中 A-A向剖面的局部示意图。
具体实施方式
下面参考附图对本发明的优选实施例进行描述。 如图 1至图 5所示, 示 出了本发明具有侧入式背光的液晶模组的结构示意图。
从中可以看出, 本发明的具有侧入式背光的液晶模组至少包括: 铝挤 1 , 该铝挤 1进一步包括铝挤底板 11 , 以及由铝挤底板 11延伸出 的并且与其垂直的铝挤竖板 10;
侧入式背光源 2,设置在铝挤竖板 10的内侧壁上, 背光源包括背光源基 板 20, 以及设置于背光源基板 20上的多颗发光二极管 LED 21 ;
导光板 3 , 设有入光面和出光面, 其入光面正对侧入式背光源的的发光 面;
光学膜片组 4, 位于导光板 3的上方, 正对导光板 3的出光面, 具体地, 该光学膜片组 4可包括诸如扩散板及棱镜板等;
反光板 7, 设置于导光板 3的下方;
胶框 5 , 位于铝挤竖板 10的外侧;
至少一个磁吸装置 6, 其至少具有一吸附面, 用于吸附在背光源基板 20 上, 以及一突出于 LED 21的发光面的外表面, 磁吸装置 6的外表面正对导 光板 5的侧边, 具体地, 例如接近或抵靠导光板 5 , 并与 LED 21发光面存 在有固定距离的落差, 在本发明的实施例中, 磁吸装置 6为方形的钕铁硼磁
铁块, 由于钕铁硼磁铁人造磁铁, 利于机械加工成各种形状, 且抗冲击性能 强, 易于理解的是, 在本发明的磁吸装置可以根据需要加工成多种形状; 另 外, 根据液晶尺寸的不同, 磁吸装置 6的突出于 LED 21的发光面的外表面 与 LED 21的发光面所存在的落差的距离不同, 其范围在 0.3〜1.5mm之间。
其中, 在一个实施例中, 背光源基板 20为铝板, 多颗 LED 21通过焊盘 间隔设置于背光源基板 20上, 在背光源基板 20的至少两颗 LED之间的位 置上设置有一层镀镍层 200, 磁吸装置 6的吸附面吸附于镀镍层 200上。
在另外一个实施例中, 背光源基板 20为玻璃布基板, 多颗 LED 21通过 焊盘间隔设置于背光源基板 20上, 在背光源基板 20的至少两颗 LED之间 的位置上包裹有一层铁皮层以替代前一实施例中的镀镍层 200, 磁吸装置 6 的吸附面吸附于铁皮层上。
相应地, 本发明还提供一种液晶显示器, 其采用了如图 1至图 5所揭示 的液晶模组。
实施本发明的具有侧入式背光的液晶模组, 在 LED灯条 (背光源基板 ) 的相邻 LED灯之间设置有磁吸装置 (磁铁块), 且该磁吸装置突出该 LED 灯发光面一定距离, 故使导光板在接触该磁吸装置时, 会与 LED灯保持固 定的距离, 从而保证藕光距离不至于过小, 当导光板受到外力冲击时或者受 热膨胀时首先会压迫到磁吸装置, 而磁吸装置具有足够的抗冲击能力, 从而 可以保证 LED灯免受压迫或冲击, 从而保证 LED灯的安全性, 延长 LED 灯的使用寿命。
为了增加 LED灯的安全性, 可以在背光源基板上间隔设置多个磁吸装 置;
另外, 经过实验的验证, 在有固定磁场存在的情况下磁吸装置对液晶显 示器中的液晶分子的偏折无影响, 对液晶显示效果无影响。
以上所揭露的仅为本发明较佳实施例而已, 当然不能以此来限定本发明 之权利范围, 因此等同变化, 仍属本发明所涵盖的范围。
Claims
1、 一种具有侧入式背光的液晶模组, 其中, 至少包括:
铝挤, 其至少一部份具有铝挤竖板;
侧入式背光源, 设置在所述铝挤竖板的内侧壁上, 所述背光源包括背光 源基板, 以及间隔设置于所述背光源基板上的多颗发光二极管 LED;
导光板, 设有入光面和出光面, 所述入光面正对所述侧入式背光源的 LED的发光面;
光学膜片组, 位于所述导光板的上方, 正对所述导光板的出光面; 胶框, 位于所述铝挤的外侧;
至少一个磁吸装置, 其为钕铁硼磁铁块, 其至少具有一吸附面, 用于吸 附在所述背光源基板上至少两颗 LED之间的位置上所设置的镀镍层或所包 裹的铁皮层上, 以及一突出于所述 LED的发光面的外表面, 所述磁吸装置 的外表面正对所述导光板的侧边, 并与所述 LED发光面存在有固定距离的 落差。
2、 如权利要求 1 所述的液晶模组, 其中, 所述磁吸装置的突出于所述 LED 的发光面的外表面与所述 LED 的发光面所存在的落差范围为: 0.3〜1.5mm。
3、 如权利要求 2所述的液晶模组, 其中, 所述磁吸装置的外表面接近 或抵靠所述导光板。
4、 如权利要求 3所述的液晶模组, 其中, 所述铝挤包括铝挤底板, 以 及由所述铝挤底板延伸出的并且与其垂直的铝挤竖板。
5、 如权利要求 4所述液晶模组, 其中, 所述背光源基板为铝板或玻璃 布基板。
6、 一种具有侧入式背光的液晶模组, 其中, 至少包括:
铝挤, 其至少一部份具有铝挤竖板;
侧入式背光源, 设置在所述铝挤竖板的内侧壁上, 所述背光源包括背光 源基板, 以及设置于所述背光源基板上的多颗发光二极管 LED;
导光板, 设有入光面和出光面, 所述入光面正对所述侧入式背光源的 LED的发光面;
光学膜片组, 位于所述导光板的上方, 正对所述导光板的出光面; 胶框, 位于所述铝挤的外侧;
至少一个磁吸装置, 其至少具有一吸附面, 用于吸附在所述背光源基板 上, 以及一突出于所述 LED的发光面的外表面, 所述磁吸装置的外表面正 对所述导光板的侧边, 且所述磁吸装置的外表面接近或抵靠所述导光板, 并 与所述 LED发光面存在有固定距离的落差。
7、 如权利要求 6所述的液晶模组, 其中, 所述磁吸装置的突出于所述 LED 的发光面的外表面与所述 LED 的发光面所存在的落差范围为: 0.3〜1.5mm。
8、 如权利要求 7所述的液晶模组, 其中, 所述磁吸装置为钕铁硼磁铁 块。
9、 如权利要求 8所述的液晶模组, 其中, 所述铝挤包括铝挤底板, 以 及由所述铝挤底板延伸出的并且与其垂直的铝挤竖板。
10、 如权利要求 9所述液晶模组, 其中, 所述背光源基板为铝板或玻璃 布基板。
11、 如权利要求 10所述的液晶模组, 其中, 所述多颗 LED间隔设置于 所述背光源基板上, 在所述背光源基板的至少两颗 LED之间的位置上设置 有一层镀镍层, 所述磁吸装置的所述吸附面吸附于所述镀镍层上。
12、 如权利要求 10所述的液晶模组, 其中, 所述多颗 LED间隔设置于 所述背光源基板上, 在所述背光源基板的至少两颗 LED之间的位置上包裹 有一层铁皮层, 所述磁吸装置的所述吸附面吸附于所述铁皮层上。
13、 一种液晶显示器, 包括有具有侧入式背光的液晶模组, 其中, 所述 液晶模组至少包括:
铝挤, 其包括至少一部份的铝挤竖板;
侧入式背光源, 设置在所述铝挤竖板的内侧壁上, 所述背光源包括背光 源基板, 以及间隔设置于所述背光源基板上的多颗发光二极管 LED;
导光板, 设有入光面和出光面, 所述入光面正对所述侧入式背光源的 LED的发光面;
光学膜片组, 位于所述导光板的上方, 正对所述导光板的出光面;
胶框, 位于所述铝挤的外侧;
至少一个磁吸装置, 其至少具有一吸附面, 用于吸附在所述背光源基板 上至少两颗 LED之间的位置上所设置的镀镍层或所包裹的铁皮层上, 以及 一突出于所述 LED的发光面的外表面, 所述磁吸装置的外表面正对所述导 光板的侧边, 并与所述 LED发光面存在有固定距离的落差。
14、 如权利要求 13所述的液晶显示器, 其中, 所述磁吸装置为钕铁硼 磁铁块。
15、 如权利要求 14所述的液晶显示器, 其中, 所述磁吸装置的突出于 所述 LED 的发光面的外表面与所述 LED 的发光面所存在的落差范围为: 0.3〜1.5mm。
16、 如权利要求 15所述的液晶显示器, 其中, 所述磁吸装置的外表面 接近或抵靠所述导光板。
17、 如权利要求 16所述的液晶显示器, 其中, 所述铝挤包括铝挤底板, 以及由所述铝挤底板延伸出的并且与其垂直的铝挤竖板。
18、 如权利要求 17所述的液晶显示器, 其中, 所述背光源基板为铝板 或玻璃布基板。
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