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CN102466168B - Line light source and LCD (liquid crystal display) device - Google Patents

Line light source and LCD (liquid crystal display) device Download PDF

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CN102466168B
CN102466168B CN 201010531996 CN201010531996A CN102466168B CN 102466168 B CN102466168 B CN 102466168B CN 201010531996 CN201010531996 CN 201010531996 CN 201010531996 A CN201010531996 A CN 201010531996A CN 102466168 B CN102466168 B CN 102466168B
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line
light
source
lcd
liquid
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CN 201010531996
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CN102466168A (en )
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马若玉
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京东方科技集团股份有限公司
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Abstract

本发明公开了一种线光源及液晶显示装置,涉及液晶显示技术领域,提供了一种用于色序显示的线光源,为减少点光源的使用数目而发明。 The present invention discloses a line light source and a liquid crystal display device, relates to the field of liquid crystal display technology, there is provided a light source for a color line sequential display, in order to reduce the number of point light source of the invention. 所述线光源包括至少一个点光源和线状光传导元件,所述光传导元件包括入射面、出射面和全反射面;所述点光源邻近所述入射面设置,所述点光源发出的光线经所述入射面进入所述光传导元件;所述全反射面为全反射结构,用于使进入所述光传导元件内部的光线经全反射在所述光传导元件的内部传播;所述出射面沿所述光传导元件的长度方向延伸,并通过破坏全反射条件使得所述光传导元件内部到达所述出射面的部分光出射。 The line light source comprises at least one point light source and a linear light-conducting element, the conducting element comprises a light-incident surface, the exit surface and a total reflection surface; the point light source disposed adjacent to the incident surface, the light emitted from the point light enters through the incident surface of the light conducting element; total reflection surface of the total reflection structure, for light entering the light conducting inside element propagate inside the light conducting element by total reflection; the exit face of the light conducting element extending in the longitudinal direction, and by breaking the total reflection condition such that the light conducting element reaches the inner surface of the exit portion of the light exit direction. 本发明可用于进行液晶显示。 The present invention can be used for the liquid crystal display.

Description

线光源及液晶显示装置 A line light source and a liquid crystal display device

技术领域 FIELD

[0001] 本发明涉及液晶显示技术领域,尤其涉及一种线光源及液晶显示装置。 [0001] Technical Field The present invention relates to a liquid crystal display, particularly to a line light source and a liquid crystal display device.

背景技术 Background technique

[0002] 液晶显示装置具有重量轻、体积小、耗电量低等优点,广泛应用于计算机、移动通信终端、个人数字助理等产品中。 [0002] The liquid crystal display device having a light weight, small size, low power consumption is widely used in computers, mobile communication terminals, personal digital assistants and other products.

[0003] 因为液晶本身并不发光,因此需要为其提供背光模组以辅助其实现显示功能。 [0003] Since the LCD itself does not emit light, it is necessary to provide a backlight module to assist in its implementation display. 目前在背光模组中通常采用冷阴极荧光灯管作为光源。 In the present backlight module usually cold cathode fluorescent lamp as a light source. 虽然冷阴极荧光灯管具有发光亮度高等优点,但还存在发光均匀性差、寿命短、色域范围窄、工作电压高(功耗高)、以及污染环境(含汞)等缺陷。 While CCFL emission luminance has advantages, but there are emission uniformity is poor, short life, narrow color gamut, high voltage (high power), and environmental pollution (mercury) and other defects. 为此,现在市场上使用发光二极管代替冷阴极荧光灯管已经成为主流趋势。 For this purpose, a light emitting diode instead of the cold cathode fluorescent tubes is now on the market has become the mainstream.

[0004] 发光二极管作为点光源其照明范围有限,现有的侧光式的液晶显示装置需要采用多个发光二极管排成线状作为侧光源,为了保证背光模组良好的光学特性如发光均匀性等,就需要保持两个相邻发光二极管之间的间距不能过大,因此需要使用数目较多的发光二极管,成本较高。 [0004] The light emitting diode has limited illumination range as a point source, the conventional edge-lit liquid crystal display device using a plurality of light emitting diodes arranged in need as the linear light source side, the backlight module in order to ensure a good optical characteristics such as luminance uniformity and the like, it is necessary to maintain the spacing between two adjacent light emitting diodes can not be too large, it is necessary to use a larger number of light emitting diodes, high cost. 相应地,如果减少发光二极管的使用数目,则容易使背光模组产生明暗不均的现象,降低了背光模组的发光均匀性。 Accordingly, if used to reduce the number of light emitting diodes, the backlight module is easy to produce uneven shading phenomenon, reduce the luminance uniformity of the backlight module.

发明内容 SUMMARY

[0005] 本发明的实施例提供一种线光源及液晶显示装置,以在保证背光模组发光均匀性的基础上减少点光源的使用数目。 Example [0005] The present invention provides a linear light sources and a liquid crystal display device, in order to reduce the number of point light source on the basis of the backlight module to ensure uniformity of the light emission.

[0006] 为达到上述目的,本发明的实施例采用如下技术方案: [0006] To achieve the above object, embodiments of the present invention adopts the following technical solutions:

[0007] 一种线光源,包括至少一个点光源和线状光传导元件, [0007] A line light source comprising at least one point light source and a linear light-conducting element,

[0008] 所述光传导元件包括入射面、出射面和全反射面。 [0008] The light conducting element includes an incident surface, exit surface and a total reflection surface.

[0009] 所述点光源邻近所述入射面设置,所述点光源发出的光线经所述入射面进入所述光传导兀件; [0009] The point light source disposed adjacent to the incident surface, the point of the light emitted by the light source enters the incident surface of the light conducting member Wu;

[0010] 所述全反射面为全反射结构,用于使进入所述光传导元件内部的光线经全反射在所述光传导元件的内部传播; [0010] The total reflection surface total reflection structure, for light entering the light conducting inside element propagate inside the light conducting element by total reflection;

[0011] 所述出射面沿所述光传导元件的长度方向延伸,并通过破坏全反射条件使得所述光传导元件内部到达所述出射面的部分光出射。 [0011] the exit surface in the longitudinal direction of said light conducting member extends, and by breaking the total reflection condition such that the light-conducting inner member reaches the exit surface of the light exit portion.

[0012] 一种液晶显示装置,包括上述的线光源、导光板和液晶面板,所述线光源的出射面朝向所述导光板的入光面设置。 [0012] A liquid crystal display device, comprising the above-described line light source, light guide plate and liquid crystal panel, the line light source toward the light guide plate exit surface of the light receiving surface.

[0013] 本发明实施例提供的线光源及液晶显示装置,由于所述点光源发出的光线经所述入射面进入所述光传导元件后,能够在所述全反射面的作用下使进入所述光传导元件内部的光线经全反射在所述光传导元件的内部传播,并在传播过程中通过所述出射面从所述光传导元件中射出,其中所述出射面沿所述线状光传导元件的长度方向延伸,因此从所述出射面射出的光线形成线光源。 [0013] The line light source and a liquid crystal provided by the embodiments of the display device of the present invention, since the light after the incident surface by the point source to enter the light-conducting element, capable of entering the total reflection surface under the effect of the said light-conducting member inside the light propagating inside the light conducting element by total reflection, and is emitted through the exit surface from the light conducting element in the communication process, wherein a light emitting surface along the line conducting element extending in the longitudinal direction, thus forming a line light source emitted from the light emitting surface out. 该线光源与点光源相比,扩大了照明范围、提高了照明均匀性,无需每隔很小一段即设置一个点光源,能够在保证背光模组发光均匀性的基础上减少点光源的使用数目。 Compared to the point light source and line light source, to expand the illumination range, improves the uniformity of illumination, i.e., a small section of a point light source disposed without intervals, it is possible to reduce the number of point light source to ensure that the basis of the backlight module on the light emitting uniformity .

附图说明 BRIEF DESCRIPTION

[0014] 图1为本发明一个实施例中线光源的示意图; [0014] Figure 1 a schematic diagram of the line source embodiment of the invention;

[0015] 图2为本发明实施例中所述光传导元件的第一种结构示意图; [0015] Fig 2 a schematic view of a first embodiment in the structure of the light conducting element of the embodiment of the present invention;

[0016] 图3为本发明实施例中光线在光传导元件中传播的示意图; [0016] FIG. 3 is a schematic diagram of the light propagating in the light conducting element in the embodiment of the present invention;

[0017] 图4为本发明实施例中所述光传导元件的第二种结构示意图; [0017] FIG. 4 is a schematic structure of a second embodiment of the light conducting element embodiment of the invention;

[0018] 图5为本发明实施例中所述光传导元件的第三种结构示意图; [0018] FIG. 5 is a schematic structure of a third embodiment of the light conducting element embodiment of the invention;

[0019] 图6为本发明实施例中所述光传导元件的第四种结构示意图; [0019] FIG. 6 is a schematic structure of a fourth embodiment of the light conducting element embodiment of the invention;

[0020] 图7为本发明实施例中所述光传导元件的第五种结构示意图; [0020] Figure 7 a schematic view of a fifth embodiment in the structure of the light conducting element of the embodiment of the present invention;

[0021] 图8为本发明实施例中所述光传导元件的第六种结构示意图; [0021] Figure 8 a schematic view of a sixth embodiment in the structure of the light conducting element of the embodiment of the present invention;

[0022] 图9为对图1所不线光源改进后的不意图; [0022] FIG. 9 is not intended to FIG. 1 the line light source is not improved;

[0023] 图10为本发明另一个实施例中线光源的示意图; [0023] FIG. 10 is a schematic diagram of another embodiment of the line source of the present invention;

[0024] 图11为对图10所示线光源一种改进的示意图; [0024] FIG. 11 is a schematic view of an improved linear light sources shown in FIG 10;

[0025] 图12为对图10所不线光源另一种改进的不意图; [0025] FIG. 12 for the linear light sources in FIG. 10 does not another improvement is not intended;

[0026] 图13为图12的左视图。 [0026] FIG. 13 is a left side view of FIG. 12.

[0027] 附图标记: [0027] reference numerals:

[0028] 2-线光源,21、21(0)、21(1)、21(2)、21(3)-点光源,21(0)-白光点光源,21(1)-红光点光源,21(2)-绿光点光源,21(3)-蓝光点光源,22-光传导元件,221-入射面,222-出射面,226-全反射面,223-第一导光管,224-第二导光管,225-全反射膜,23-透射结构,231-微结构,232-网点,30-光汇聚罩,31-第一椭圆面,32-第二椭圆面,33-第三椭圆面。 [0028] 2- linear light sources, 21, 21 (0), 21 (1), 21 (2), 21 (3) - the point light source 21 (0) - white point light source, 21 (1) - Red Point a light source 21 (2) - green point light source, 21 (3) - blue point light source, a light conducting element 22-, 221- incident surface, exit surface 222-, 226- total reflection surface, a first light guide tube 223- , a second light conduit 224-, 225- total reflection film, 23- transmission structure, microstructure 231-, 232- outlets, 30- converged light cover, a first ellipsoidal 31-, 32- second ellipsoid, 33 - a third elliptical surface.

具体实施方式 detailed description

[0029] 下面结合附图对本发明实施例线光源及液晶显示装置进行详细描述。 [0029] The accompanying drawings embodiments of the invention the line light source and the liquid crystal display device described in detail below in conjunction.

[0030] 应当明确,所描述的实施例仅仅是本发明的一部分实施例,而不是全部的实施例。 [0030] It should be clear that the described embodiments are merely part of embodiments of the present invention rather than all embodiments. 基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例,都属于本发明保护的范围。 Based on the embodiments of the present invention, those of ordinary skill in the art without making all of the other embodiments given herein without creative efforts fall within the scope of the present invention.

[0031] 如图1和图10所示,为本发明线光源的具体实施例。 [0031] As shown in FIG. 1 and FIG. 10, particular embodiments of the present invention, the light source lines. 本实施例中,所述线光源2包括一个点光源21和线状光传导元件22,光传导元件22包括入射面221、出射面222和全反射面226。 Embodiment, the line light source 2 comprises a point source 21 and a linear light-conducting element 22, the light-conducting member 22 includes an incident surface 221, an exit surface 222 and the total reflection surface 226 embodiment. 其中点光源21邻近入射面221设置,点光源21发出的光线经入射面221进入光传导元件22 ;全反射面226为全反射结构,用于使进入光传导元件22内部的光线经全反射在光传导元件22的内部传播;出射面222沿光传导元件22的长度方向延伸,并通过破坏全反射条件使得光传导元件22内部到达出射面222的部分光出射。 Wherein the incident surface 21 adjacent the point light source 221 is provided, the light emitted from the point light source 21 through the incident surface 221 into the light-conducting element 22; total reflection surface total reflection structure 226 for light entering the light conducting inside element 22 through total reflection internal propagation photoconductive element 22; light-conducting along the longitudinal direction of the exit surface 222 of the element 22 extends, and by breaking the total reflection condition such that the light-conducting element 22 reaches an inner portion of the exit surface 222 of the light exit.

[0032] 本发明实施例提供的线光源,由于点光源21发出的光线经入射面221进入光传导元件22后,能够在全反射面226的作用下使进入光传导元件22内部的光线经全反射在光传导元件22的内部传播,并在传播过程中通过出射面222从光传导元件22中射出,其中出射面22沿该线状光传导元件22的长度方向延伸,因此从出射面222射出的光线形成线光源。 [0032] The present invention is a line light source provided in the embodiment, since the light emitted from the point light source 221 enters the incident surface 21 via the light-conducting member 22 allows the light entering the light conducting inside element 22 under the effect of the total reflection surface 226 by the full reflected light conduction in the propagation member 22, and through the outgoing surface 222 from the light-conducting element 22 in the communication process, wherein the exit surface 22 the light conductor extending longitudinal direction of the element 22 along the line, so 222 is emitted from the emission surface the line light source is formed. 该线光源与点光源相比,扩大了照明范围、提高了照明均匀性,无需每隔很小一段即设置一个点光源,能够在保证背光模组发光均匀性的基础上减少点光源的使用数目。 Compared to the point light source and line light source, to expand the illumination range, improves the uniformity of illumination, i.e., a small section of a point light source disposed without intervals, it is possible to reduce the number of point light source to ensure that the basis of the backlight module on the light emitting uniformity .

[0033] 需要说明的是,本发明的各实施例中,一个线光源2所使用的点光源21的数目可以是一个或者多个,这可以根据所需要达到的发光亮度等要求进行选择。 [0033] Incidentally, in this embodiment, a point light source 2 Number of line light 21 used may be one or more of the various embodiments of the present invention, which can be selected according to the required emission luminance reaches requirements. 例如,当所述点光源21为发白光的白光点光源时,一个线光源2中可以使用一个白光点光源,如果需要进一步提高线光源2的发光亮度,还可以使用两个或者两个以上的白光点光源。 For example, when white light 21 is white light source, a line light source 2 may be used in a white light source, if necessary to further improve the emission luminance of the line light source 2 may also be used two or more of said point light source a white light point source. 当所述点光源21包括红光点光源、绿光点光源和蓝光点光源时,可以在一个线光源2中同时使用这三个点光源。 When the point light source 21 is a point light source includes red, green and blue point light source point, it can be used simultaneously in a three point light source 2 line.

[0034] 本发明的实施例中,不仅能够使点光源转换形成线光源以在保证背光模组发光均匀性的基础上减少点光源的使用数目,而且能够在此基础上使红光点光源、绿光点光源和蓝光点光源依序循环发出红色光线、绿色光线和蓝色光线,以此来实现色序显示,并达到提高光能利用率和空间分辨率的效果。 [0034] Example embodiments of the present invention, not only can the point source of the source line is formed to reduce the number of point light source on the basis of the backlight module to ensure uniformity of the light emission, and a red point light source can be made on this basis, green and blue point light sources sequentially and repeatedly emit red point light source light, green light and blue light, in order to achieve a color sequential display, and to improve energy efficiency and spatial resolution results. 下面将通过具体的实施例来对这些内容进行详细的说明。 It will now be described in detail by the specific contents of these examples. 其中,下面的实施例一具体描述将点光源转换形成线光源;下面的实施例二具体描述在将点光源转换形成线光源的基础上进行色序显示。 Wherein, the following description of a particular embodiment of the point source of the line light source is formed; the following detailed description of the second embodiment performs color sequential display on the basis of the point source of the light source is formed on the line.

[0035] 需要说明的是,在下面各实施例的附图中为显示清楚起见,对一些零部件使用了示意性的表示方法,这些示意性表示并不代表这些零部件的真实构造和比例,其真实构造和比例可参见说明书中的描述。 [0035] Incidentally, in the drawings of the embodiments below to show clarity, some components used schematic representations, showing schematically the configuration and do not represent real proportions of these components, and the ratio of its true construction, see the description in the specification. 例如,对内腔呈椭球面的光汇聚罩即采用了示意性的表示方法,对所述光传导元件中的微结构采用了放大的表示方法。 For example, the lumen has a light converging ellipsoidal cap which uses a schematic representation of the microstructure of the light conducting element employed in an enlarged representation.

[0036] 实施例一 [0036] Example a

[0037] 如图1所示,本实施例中一个所述线光源2包括一个发白色光线的白光点光源21(0)和线状光传导元件22,线状光传导元件22用于将白光点光源21 (O)发出的光转换为线光源。 [0037] 1, 21 (0) and the linear light-conducting element 22, linear light conducting element 22 for the white line one embodiment comprises a light source 2 emitting white light source white point of the present embodiment converting light emitted from the point light source 21 (O) is a line light source. 光传导元件22包括入射面221、出射面222和全反射面226。 Light conducting member 22 includes an incident surface 221, an exit surface 222 and the total reflection surface 226. 其中,白光点光源21 (O)邻近入射面221设置,发出的光线经入射面221进入线状光传导元件22,全反射面226为全反射结构,用于使进入线状光传导元件22内部的光线经全反射在线状光传导元件22内传播,出射面222沿光传导元件22的长度方向延伸,并通过破坏全反射条件使得线状光传导元件22内部的部分光线出射。 Wherein the white point light source 21 (O) is provided adjacent to the incident surface 221, light emitted by the light incident surface 221 to enter the linear conductive element 22, the total reflection surface of the total reflection structure 226, for access to the interior 22 of the linear light conducting element is totally reflected by the light propagating within the linear light conducting member 22, the longitudinal direction along the light transmission member 22 extends exit surface 222, and by breaking the total reflection condition such that the linear portion of the light inside the light conducting element 22 exit.

[0038] 在实际使用中,光传导元件22,可以选用以下两种结构的光传导元件。 [0038] In actual use, light conducting element 22, the light conducting element can use the following two structures. 或者,也可以选用除以下两种结构之外的其他结构的光传导元件。 Alternatively, the light conducting element can also use other structures except for the following two structures.

[0039] 第一种结构,如图2所示,所述光传导元件22包括能够进行全反射的线状第一导光管223,第一导光管223的侧面包括相互邻接的出射面222和全反射面226,且出射面222上设有破坏第一导光管223的全反射的透射结构23。 [0039] The first configuration, shown in Figure 2, the light conducting element 22 comprises a first linear light guide tube 223 can be totally reflected, the first light guide tube 223 comprises a side surface adjacent each exit surface 222 and the total reflection surface 226, and total reflection of the light transmitting structure 23 is provided with a first conduit 223 destroy the exit surface 222.

[0040] 如图3所示,进入第一导光管223的光线可以分为两部分,一部分为沿第一导光管223的子午面(通过第一导光管223轴线的平面)传播的子午光线,这部分光线可以在第一导光管223的子午面上沿直线前进,且这部分光线在进入第一导光管223的光线中占据的比例较小;另一部分为不经过子午面传输的斜射光线,这部分光线可以在第一导光管223内进行多次全反射,并偏离第一导光管223的轴线呈螺旋式前进。 [0040] 3, light enters the first light pipe 223 can be divided into two portions, a first portion of light along a meridian plane 223 of the guide tube (light guide tube through a first plane of the axis 223) propagating meridional ray, which may be part of the light travels straight along a meridian plane of the first light guide tube 223, and the smaller proportion it occupies part of the light rays in the light pipe 223 into the first guides; without another part of the meridian plane oblique light transmission, which may be part of the light of the first light guide tube 223 is totally reflected several times, and offset from the first axis 223 of the light pipe was corkscrew. 这部分光线在进入第一导光管223的光线中占据的比例较大,而且与子午光线相比,这部分光线中的大部分光线都能够经过全反射后从出射面222中射出,因此进入第一导光管223的光线的利用率较高。 This part of the light rays in the proportion occupied by the light pipe 223 into the first guide larger, and compared with the meridional rays, most of this part of the light beam totally reflected from the can after the outgoing plane 222, and thus into the higher light guide light pipe 223 to the first utilization.

[0041] 在出射面222上设置破坏全反射条件的透射结构23,使得第一导光管223内部的光线能够通过出射面222射出。 [0041] provided structural damage transmitting the total reflection condition on the exit surface 22 223, such that the first light inside the light pipe 223 can exit through the exit surface 222. 该破坏全反射条件的透射结构23可以有多种。 The transmission structure 23 may destroy the total reflection condition variety. 举例而言,参考图2所示,该透射结构23可以为设在出射面222上的微结构231。 For example, as shown with reference to FIG. 2, the transmission structure 23 may be a micro structure provided on the exit surface 222 231. 该微结构231具体可以为各种形状的微棱结构、微凹点、微凸点等。 The microstructures 231 may specifically be of various shapes other micro prism structure, point dimples, micro bump. 以微棱结构的微结构231为例而言,在图2所示状态下,这些微结构231在出射面222上可以沿上下方向进行纵向排列。 Micro structures 231 microrib structure as an example, the, the microstructures 231 may be longitudinally aligned in the vertical direction on the exit surface 222 in the state shown in FIG. 2. 或者在图4所示的状态下,这些微结构231在出射面222上可以沿左右方向进行横向排列。 Or, in the state shown in FIG. 4, the microstructures 231 may be laterally arranged in the lateral direction on the exit surface 222. 再或者这些微结构231在出射面222上可以倾斜排列。 Or microstructures 231 on the exit surface 222 may be arranged obliquely. 其中,图2所示纵向排列的微棱结构的光线出射效果优于图4所示横向排列的微棱结构的光线出射效果。 Wherein the light longitudinally aligned microrib structure shown in Figure 2 is better than the exit laterally arranged as shown in FIG. 4 microrib structure of the light exit effect. 参考图5所示,该透射结构23还可以为设在出射面222上的网点232。 Referring shown in FIG. 5, the transmission structure 23 may also be provided on the exit surface 222 of the network 232. 类似地,网点232可以在出射面222上纵向排列、横向排列或倾斜排列,具体的形状和参数,本领域技术人员可以根据点光源的功率、导光管的长度等进行设置。 Similarly, network 232 may be longitudinally aligned on the exit surface 222, arranged transversely or inclined arrangement, shape and specific parameters, those skilled in the art can be provided according to the power of a point light source, the light guide tube length.

[0042] 在本发明的各实施例中,除可以使用实心的第一导光管223之外,如图6所示,还可以使用空心的第一导光管223。 Light [0042] In various embodiments of the present invention, the solid can be used in addition to a first light guide tube 223, as shown in Figure 6, may be used in the first hollow conduit 223. 在点光源发出的部分光线进入到该空心的第一导光管223的空心部分时,这部分光线还可以通过该空心的第一导光管223的内侧面折射到第一导光管223的实体材料中,这样该空心的第一导光管223仍然可以保持较高的光能利用率。 When the inner side portion of the light rays from a point source into the hollow portion of the first hollow conduit 223, which may also be part of the light guide through the first hollow light pipe 223 is refracted to the first light guide tube 223 solid materials, such that the first hollow guide light pipe 223 can still maintain a high energy efficiency.

[0043] 在本发明的各实施例中,第一导光管223的截面形状可以是圆形、半圆形、椭圆形、多边形或者是圆缺形。 [0043] In various embodiments of the present invention, the first cross-sectional shape of the light pipe 223 may be circular, semi-circular, elliptical, polygonal or circular-segment-shaped. 例如,图2、图4至图6所示的第一导光管223的截面为圆缺形,这样第一导光管223的侧面可以包括相互邻接的圆弧面部分和平面部分。 For example, FIG. 2, the first guide illustrated in Figures 4 to 6 of the light pipe 223 is a cross-sectional shape of circle, so that the first light guide tube 223 may include a side surface adjacent to each other arcuate portion and a flat surface portion. 其中,圆弧面部分形成全反射面226,平面部分形成出射面222。 Wherein, the total reflection surface is formed arc surface portion 226, flat portion 222 is formed exit face. 此时,由于出射面222为平面,因此在出射面222上制作微结构231或网点232时较为简便容易。 At this time, since the flat 222, so that the production microstructure 222 or 231 dots 232 is simple easy exit surface emitting surface. 或者如图7所示,在第一导光管223的截面为圆形时,第一导光管223的侧面为圆弧面,这样全反射面226和出射面222也均为圆弧面,此时在呈圆弧面的出射面222上制作微结构231或网点232较为复杂繁琐,尽管如此,本发明的其他实施例也不限制这种使用。 Or 7, when the first light guide tube 223 of circular cross section, a first side surface of the light pipe 223 is a circular surface, so that total reflection surface 226 and exit surface 222 is also a circular arc surface, at this time, making the microstructure 231 or 232 is more complex and cumbersome outlets on an arcuate exit surface 222, however, other embodiments of the present invention does not limit such use.

[0044] 这里需要说明的是,在本发明的其他实施例中,可以使第一导光管223的侧面仅包括出射面222 (即不包括全反射面226)。 [0044] It is noted that in other embodiments of the present invention, it is possible that the first side surface of the light pipe 223 includes an exit surface 222 only (i.e. not including the total reflection surface 226).

[0045] 第二种结构,如图8所示,所述光传导元件22包括内部能够进行折射的线状第二导光管224,全反射面226为第二导光管224上包覆有全反射膜225的部分侧面,第二导光管224内部的光线在包覆有全反射膜225的内表面上全反射,第二导光管224的侧面上未包覆全反射膜225的区域形成出射面222。 [0045] The second configuration, shown in Figure 8, the light conducting element 22 comprises an inner linear light can be refracted by the second guide tube 224, total reflection surface 226 of the second light guide tube 224 is coated with a total reflection film side portion 225, a second light guide tube 224 inside the light totally reflected on the inner surface coated with a total reflection film 225, the uncoated region 224 on the side of the total reflection film 225, the second light pipe exit face 222 are formed.

[0046] 由于第二导光管224能够进行折射,因此在从入射面221进入第二导光管224的光线中,射向出射面222的光线可以直接从出射面222射出,射向全反射面226的光线可以在第二导光管224和全反射膜225的交界面处进行全反射,经过一次或多次全反射后的光线可以从出射面222射出。 [0046] Since the second light guide tube 224 can be refracted, thus enters the light from the incident surface 221 of the second light conduit 224, toward the light exit surface 222 may directly 222 from an outgoing surface, is totally reflected toward light surface 226 may be totally reflected at the interface of the second light guide tube 224 and the total reflection film 225, after one or a plurality of times after the light can be totally reflected from the emission surface 222 is emitted.

[0047] 与上述第一种结构类似,在该第二种结构中,第二导光管224可以是空心的或实心的,且该第二导光管224的截面形状可以是圆形、半圆形、椭圆形、多边形或者是圆缺形。 [0047] Similarly to the above-described first structure, the second structure, the second light guide tube 224 may be hollow or solid, and the second cross-sectional shape of the light pipe 224 may be circular, semi- circular, elliptical, polygonal or circular-segment-shaped.

[0048] 需要说明的是,在上述两种结构中,入射面221均设在线状光传导元件22的一端处(即图2、图4至图6中的左端处)。 [0048] Incidentally, in the above two structures, the incident surface of the linear light conductor 221 are located at an end of the member 22 (i.e., FIG. 2, at the left end in FIG. 4 to FIG. 6). 但并不局限于此,在本发明的其他实施例中,入射面221还可以设在线状光传导元件22的两端处。 But is not limited thereto, in other embodiments of the present invention, the incident surface 221 may also be provided at both ends of the linear light conductor element 22.

[0049] 如图9所示,在本实施例中线光源2还包括内腔呈椭球面的光汇聚罩30,白光点光源21 (O)设在该光汇聚罩30的第一焦点处,入射面221设在该光汇聚罩30的第二焦点处,这样从白光点光源21 (O)发出的一部分光线可以直接射向入射面221并由入射面221进入到光传导元件22中,另一部分光线可以射向光汇聚罩30的椭球面上并经椭球面反射后射向入射面221,最终由入射面221进入到光传导元件22中,增加了射向入射面221的光线数量,提高了光能利用率。 [0049] As shown in FIG. 9, in the present embodiment further includes a line light source 2 embodiment has a light converging lumen ellipsoid cover 30, a white point light source 21 (O) is provided at a first focus of the converged light cover 30, entrance surface 221 disposed at a second focal point of the converged light cover 30, so that the white portion of the light from the point light source 21 (O) may be directly emitted by the entrance surface 221 toward surface 221 into 22, the other part of the light conducting element condensing the light ray can be directed to cover the spherical surface 30 and the incident surface toward the ellipsoidal reflector 221 after the final incident surface 221 into the light-conducting element 22, increasing the amount of light directed to the incident surface 221, to improve the solar energy utilization.

[0050] 当使用一个白光点光源21 (O)不能达到所需要的光线亮度要求时,可以在光汇聚罩30的第一焦点处排列设置两个或两个以上的白光点光源21 (O),以提高光线亮度。 [0050] When using a white light intensity point light source 21 (O) is not required to achieve the desired, may be arranged in two or more set point white light source 21 (O) converge at a first focus of the light cover 30 to increase the light intensity. 此外,还可以在光汇聚罩30的第一焦点处排列设置由红光点光源、绿光点光源和蓝光点光源组成的光源,使用时可以将红光点光源、绿光点光源和蓝光点光源一起点亮,使各点光源发出的光线混合后形成白色光再进入光传导元件22。 In addition, the cover may be converged on the light source arrangement is provided by the point light red, green and blue point light source composed of a first point light source at the focal point 30, a point light source may be red, green and blue point light source points used together with the lighting source, so that mixing of the light emitted from each point source of white light is formed after re-entering the light-conducting element 22. 当然,该红光点光源、绿光点光源和蓝光点光源也可以依序循环发光以实现色序显示,这将在下面的实施例二中详细说明。 Of course, the red light source, green and blue point light source may be a point light source emitting sequentially and repeatedly in order to achieve a color sequential display, which will be described in detail below in Example II.

[0051] 在实际使用中,可以通过现有技术中已知的方法将各点光源设置在光汇聚罩30的第一焦点上,例如可以在该光汇聚罩30的与第一焦点相对应的顶点处设置支架,并使支架的高度与第一焦点到相对应顶点的距离相适应,这样通过将点光源安装在支架上就可以实现将点光源设置在第一焦点处。 [0051] In actual use, by methods known in the prior art each point light source is provided on the light converged on the first focal point 30 of the cover, for example, the converged light to the first mask corresponding to the focus 30 provided at the apex of the stent, the stent and the height of the first focus corresponds to the distance from the apex adapted such that by the point light source is mounted on the holder can be achieved at a first focus point light source is provided. 同样地,也可以通过现有技术中已知的方法将光传导元件22的入射面221设置在光汇聚罩30的第二焦点处,例如可以在光汇聚罩30的与第二焦点相对应的顶点处设置开口,然后将光传导元件22从该开口伸入到光汇聚罩30中,待光传导元件22的入射面221到达第二焦点处时,将光汇聚罩30与光传导元件22的相对位置进行固定,这就实现了将入射面221设置在光汇聚罩30的第二焦点处。 Likewise, the light may be incident surface of the conductive member 22 by methods known in the prior art 221 is provided at the second focal point of the light converging cover 30, for example, corresponding to convergence of the cover 30 in the second focus light apex an opening, and projects into the light-conducting element 22 to collect the light from the opening cover 30 to be incident surface of the light conducting member 22 reaches the second focal point 221, the cover 30 and the light convergence of the light conducting element 22 fixed relative positions, thus achieving the incident surface 221 disposed at a second focal point of the converged light cover 30.

[0052] 在本发明的实施例一中,可以将点光源转换形成线光源,这样可以扩大照明范围、提高照明均匀性,无需每隔很小一段即设置一个点光源,能够在保证背光模组发光均匀性的基础上减少点光源的使用数目。 [0052] In one embodiment of this invention, may be formed point source of the line light source, so that the illumination range can be expanded, improving the uniformity of illumination, i.e., a small section of a point light source disposed without intervals, it is possible to ensure that the backlight module reduce the number of point light source based on the light emission uniformity.

[0053] 实施例二 [0053] Second Embodiment

[0054] 如图10所示,本实施例中所述线光源2包括一个红光点光源21 (I)、一个绿光点光源21 (2)、一个蓝光点光源21 (3)和线状光传导兀件22,光传导兀件22包括入射面221、出射面222和全反射面226。 [0054] As shown in FIG. 10, the line light source 2 in Example 21 (the I), a green point light source 21 (2), a blue point light source 21 (3) and the line comprises a red point light source of the present embodiment light conducting member 22 Wu, Wu light conducting member 22 includes an incident surface 221, an exit surface 222 and the total reflection surface 226. 其中各点光源21 (I)、21 (2)、21 (3)均邻近入射面221设置,各点光源发出的光线经入射面221进入光传导元件22 ;全反射面226为全反射结构,用于使进入光传导元件22内部的光线经全反射在光传导元件22的内部传播;出射面222沿光传导元件22的长度方向延伸,并通过破坏全反射条件使得光传导元件22内部到达出射面222的部分光出射。 Wherein each of the point light source 21 (I), 21 (2), 21 (3) are disposed adjacent to the incident surface 221, light emitted by each point light source 221 enters the light incident surface of the conductive member 22; total reflection surface of the total reflection structure 226, for light entering the light conducting inside element 22 is totally reflected by the light propagating inside the conductive member 22; exit surface 222 extending along the longitudinal direction of the light conducting element 22, and by breaking the total reflection condition such that the light-conducting inner member 22 reaches the exit surface 222 of the light exit portion.

[0055] 本实施例中,所述光传导元件22的结构与上述实施例一中所述光传导元件的结构相同,此处不进行详述,可以参见上述实施例一中相应的说明。 [0055] In this embodiment, the structure of the above-described embodiment the light conducting member 22 in the same as a light conducting element and is not described in detail herein, can refer to the above-described respective embodiments a description.

[0056] 下面将详细说明如何在将点光源转换形成线光源的基础上进行色序显示。 [0056] will be explained in detail how to form line sequential color light source on the basis at the point source of the display. 为了能够进行色序显示,本实施例中红光点光源21 (I)、绿光点光源21 (2)和蓝光点光源21 (3)有以下三种安装结构,但并不局限于此,在本发明的其他实施例中,也可以使用其他的安装结构。 In order to enable color sequential display, the red point light source 21 in the embodiment (the I) of the present embodiment, a green point light source 21 (2) and blue point light sources 21 (3) there are three mounting structure, but is not limited thereto, in other embodiments of the present invention may use other mounting structure.

[0057] 第一种安装结构,参见图10所示,与一个光传导元件22的入射面221相对应的位置处设置一个红光点光源21 (I)、绿光点光源21 (2)和蓝光点光源21 (3),所述红光点光源21 (I)、绿光点光源21 (2)和蓝光点光源21 (3)电连接有控制单元,所述控制单元用于控制红光点光源21 (I)、绿光点光源21 (2)和蓝光点光源21 (3)依序循环发出红色光线、绿色光线和蓝色光线。 [0057] The first mounting structure, as shown in FIG see, at a position a light incident surface 22 of the conductive member 221 is provided corresponding to a red point light 10 21 (I), a green point light source 21 (2), and blue point light sources 21 (3), the red point light source 21 (the I), a green point light source 21 (2) and blue point light sources 21 (3) is electrically connected to a control unit, a control unit for controlling red point light source 21 (the I), a green point light source 21 (2) and blue point light sources 21 (3) sequentially and repeatedly emit red light, green light and blue light. [0058] 在红光点光源21 (I)、绿光点光源21⑵和蓝光点光源21 (3)依序循环发出红色光线、绿色光线和蓝色光线时,每一瞬间只有一种颜色的点光源发光,同时液晶面板在该瞬间内只显示该对应颜色通道的图像。 [0058] When the point light sources sequentially and repeatedly emits red light 21 (the I), green and blue point light sources 21⑵ point light sources 21 (3) red light, green light and blue light, each moment only one color dot emitting light, while a liquid crystal panel in the moment only the display image corresponding to the color channels. 当红光点光源21 (I)、绿光点光源21 (2)和蓝光点光源21(3)依序循环发光的频率足够高时,通过人眼的视觉暂留现象能够在时间上对红绿蓝三基色进行混合,从而形成其他不同的颜色,这样就实现了色序显示。 When the red point light source 21 (the I), a green point light source 21 (2) and blue point light sources 21 (3) sequentially and repeatedly emit light frequency is high enough, the human eye's visual sticking phenomenon can be red, green and temporally blue color were mixed to form other different colors, thus achieving a color sequential display.

[0059] 其中,红光点光源21 (I)、绿光点光源21 (2)和蓝光点光源21 (3)的具体安装固定结构可以由现有技术中常用的方法实现,如通过支架等结构来实现。 [0059] wherein the red point light source 21 (the I), a green point light source 21 (2) and blue point light sources 21 (3) of a specific mounting structure can be realized by fixing the prior art commonly used methods, such as by brackets, etc. structure to achieve.

[0060] 第二种安装结构,如图11所示,与一个光传导元件22的入射面221相对应的位置处设有一个内腔呈椭球面的光汇聚罩30,由红光点光源21 (I)、绿光点光源21 (2)和蓝光点光源21 (3)组成的光源(在具体的硬件实现上,红光点光源21 (I)、绿光点光源21 (2)和蓝光点光源21 (3)可以集成在一块电路板上)设在光汇聚罩30的第一焦点处,入射面221设在光汇聚罩30的第二焦点处,且红光点光源21 (I)、绿光点光源21 (2)和蓝光点光源21 (3)电连接有控制单元(为清楚显示起见,图11中省略了所述控制单元),所述控制单元用于控制红光点光源21 (I)、绿光点光源21 (2)和蓝光点光源21 (3)依序循环发出红色光线、绿色光线和蓝色光线。 [0060] A second mounting structure 11, at a position a light incident surface 22 of the conductive member 221 is provided with a corresponding lumen has a light converging ellipsoid cover 30, by a red point light source 21 (the I), a green point light source 21 (2) and blue point light sources 21 (3) consisting of a light source (in the specific hardware implementation, the red point light source 21 (the I), a green point light source 21 (2), and blue 21 point light source (3) may be integrated on a circuit board) provided on a first focal point of the light converging cover 30, the incident surface 221 provided at the second focus of the converged light cover 30, and a red point light source 21 (the I) , green point light source 21 (2) and blue point light sources 21 (3) is electrically connected with a control unit (for clarity sake, is omitted in FIG. 11 of the control unit), a control unit for controlling a red point light source 21 (the I), a green point light source 21 (2) and blue point light sources 21 (3) sequentially and repeatedly emit red light, green light and blue light.

[0061] 类似地,在红光点光源21 (I)、绿光点光源21 (2)和蓝光点光源21 (3)依序循环发出红色光线、绿色光线和蓝色光线时,每一瞬间只有一种颜色的点光源发光,同时液晶面板在该瞬间内只显示该对应颜色通道的图像。 [0061] Similarly, when the red point light source 21 (the I), a green point light source 21 (2) and blue point light sources 21 (3) sequentially and repeatedly emit red light, green light and blue light, each moment only one color of light emitting points, while only the liquid crystal panel displays an image corresponding to the color channel within that instant. 当红光点光源21 (I)、绿光点光源21 (2)和蓝光点光源21(3)依序循环发光的频率足够高时,通过人眼的视觉暂留现象能够在时间上对红绿蓝三基色进行混合,从而形成其他不同的颜色,这样就实现了色序显示。 When the red point light source 21 (the I), a green point light source 21 (2) and blue point light sources 21 (3) sequentially and repeatedly emit light frequency is high enough, the human eye's visual sticking phenomenon can be red, green and temporally blue color were mixed to form other different colors, thus achieving a color sequential display.

[0062] 从红光点光源21 (I)、绿光点光源21 (2)和蓝光点光源21 (3)发出的一部分光线可以直接射向入射面221并由入射面221进入到光传导元件22中,从红光点光源21 (I)、绿光点光源21(2)和蓝光点光源21(3)发出的另一部分光线可以射向光汇聚罩30的椭球面上,并经椭球面反射后射向入射面221,最终由入射面221进入到光传导元件22中,增加了射向入射面221的光线数量,提高了光能利用率。 [0062] The red point light source 21 (I), the green part of the light source point 21 (2) and blue point light sources 21 (3) may be issued directly by the incident surface 221 toward the incident surface 221 into the light-conducting element 22, the red light from the point light source 21 (the I), the other part of the green light source point 21 (2) and blue point light sources 21 (3) converging the light emitted toward the cover may be ellipsoidal surface 30, and by the ellipsoid after reflected toward the incident surface 221, and ultimately by the incident surface 221 into the light-conducting element 22, it increases the amount of light directed to the incident surface 221, improving the energy efficiency.

[0063] 第三种安装结构,如图12所示,与一个光传导元件22的入射面221相对应的位置处设有三个内腔呈椭球面的第一椭圆面31、第二椭圆面32和第三椭圆面33,红光点光源21 (I)设在第一椭圆面31的第一焦点处,绿光点光源21 (2)设在第二椭圆面32的第一焦点处,蓝光点光源21(3)设在第三椭圆面33的第一焦点处,第一椭圆面31的第二焦点、第二椭圆面32的第二焦点以及第三椭圆面33的第二焦点空间位置重合,且入射面221设在该重合的第二焦点处。 [0063] A third mounting structure, shown in Figure 12, at a position a light incident surface 22 of the conductive member 221 is provided with three corresponding to the shape of the first lumen 31 of the elliptical surface ellipsoidal, elliptical second surface 32 elliptical surface 33 and the third, red point light source 21 (the I) is provided at a first focus of the first ellipsoidal surface 31, a green point light source 21 (2) is provided at the first focus of the elliptical surface 32 of the second, blue 21 point light source (3) disposed at the first focus of the elliptical surface 33 of the third, the second focus of the first ellipsoidal surface 31, the second focal plane of the second ellipse 32, and a third space 33 elliptical surface second focus position overlap, and the incident surface 221 is provided at the second focus coincident. 红光点光源21⑴、绿光点光源21⑵和蓝光点光源21 (3)电连接有控制单元(为清楚显示起见,图12中省略了所述控制单元),所述控制单元用于控制红光点光源21 (I)、绿光点光源21 (2)和蓝光点光源21 (3)依序循环发出红色光线、绿色光线和蓝色光线。 Red point light source 21⑴, green and blue point light sources 21⑵ point light sources 21 (3) is electrically connected with a control unit (for clarity sake, is omitted in FIG. 12 of the control unit), a control unit for controlling red point light source 21 (the I), a green point light source 21 (2) and blue point light sources 21 (3) sequentially and repeatedly emit red light, green light and blue light.

[0064] 类似地,在红光点光源21 (I)、绿光点光源21 (2)和蓝光点光源21 (3)依序循环发出红色光线、绿色光线和蓝色光线时,每一瞬间只有一种颜色的点光源发光,同时液晶面板在该瞬间内只显示该对应颜色通道的图像。 [0064] Similarly, when the red point light source 21 (the I), a green point light source 21 (2) and blue point light sources 21 (3) sequentially and repeatedly emit red light, green light and blue light, each moment only one color of light emitting points, while only the liquid crystal panel displays an image corresponding to the color channel within that instant. 当红光点光源21 (I)、绿光点光源21 (2)和蓝光点光源21(3)依序循环发光的频率足够高时,通过人眼的视觉暂留现象能够在时间上对红绿蓝三基色进行混合,从而形成其他不同的颜色,这样就实现了色序显示。 When the red point light source 21 (the I), a green point light source 21 (2) and blue point light sources 21 (3) sequentially and repeatedly emit light frequency is high enough, the human eye's visual sticking phenomenon can be red, green and temporally blue color were mixed to form other different colors, thus achieving a color sequential display. [0065] 具体而言在本实施例的各种结构中,在所述红光点光源、绿光点光源和蓝光点光源依序循环发出红色光线、绿色光线和蓝色光线时,每一瞬间只有一种颜色的点光源发光,同时液晶面板在该瞬间内只显示该对应颜色通道的图像。 When [0065] In various specific embodiments of the structure of the present embodiment, the red light source, green and blue point light sources sequentially and repeatedly emit red point light source light, green light and blue light at each moment only one color of light emitting points, while only the liquid crystal panel displays an image corresponding to the color channel within that instant. 当所述红光点光源、绿光点光源和蓝光点光源依序循环发光的频率足够高时,通过人眼的视觉暂留现象能够在时间上对红绿蓝三基色进行混合,从而形成其他不同的颜色,这样就实现了色序显示。 When the red light source, green and blue point light sources sequentially and repeatedly emitting a point light source is sufficiently high frequency, by the human eye's persistence of vision phenomenon can be mixed red, green and blue color over time, thereby forming the other different colors, thus achieving a color sequential display.

[0066] 根据目前的技术本实施例中的色序显示是可以实现的。 [0066] The color sequential technique of this embodiment of the current display can be achieved. 一般而言,时间混色技术要求在一帧画面的时间内快速切换三种颜色,即红(R)、绿(G)、蓝(B)三种颜色,也就是说要将一帧画面分成红(R)、绿(G)、蓝(B)三个子帧,然后再把三个子帧合并在一起。 In general, blending time the technical requirements of the three colors in the fast switching time of one frame, i.e., red (R), green (G), blue (B) of three colors, i.e. red want a screen is divided into (R), green (G), blue (B) three sub-frames, and then combined with three sub-frames. 假定液晶显示系统的刷新频率为60赫兹,若想让眼睛感觉不到R、G、B三个子帧的切换,则要求每个子帧显不的时间小于5.55毫秒(I秒+60 + 3 ^ 5.55毫秒)。 The system assumes that the liquid crystal display refresh rate is 60 Hz, if want to feel the eyes R, G, B three sub-frame switching requires each subframe is not significantly less than 5.55 milliseconds (I s ^ 3 + 5.55 +60 millisecond). 而现阶段液晶的响应时间已经达到4毫秒的水平,所以液晶分子的响应时间完全可以达到时间混色的要求。 Stage of the liquid crystal response time has reached the level of 4 ms, the response time of liquid crystal molecules can meet the requirements of mixing time. 同时发光二极管的响应时间小于I微秒,因此可以快速依序切换发红色光线、绿色光线和蓝色光线的发光二极管,使这三种光的发光二极管能够依序循环发出光线。 While the response time of the light emitting diode is less than I microsecond, it can be quickly switched sequentially emits red light, green light and blue light-emitting diode, so that three light emitting diodes can emit light sequentially and repeatedly.

[0067] 从红光点光源21 (I)、绿光点光源21 (2)和蓝光点光源21 (3)发出的一部分光线可以直接射向入射面221并由入射面221进入到光传导元件22中,从红光点光源21 (I)、绿光点光源21(2)和蓝光点光源21(3)发出的另一部分光线可以射向光汇聚罩30的椭球面上,并经椭球面反射后射向入射面221,最终由入射面221进入到光传导元件22中,增加了射向入射面221的光线数量,提高了光能利用率。 [0067] The red point light source 21 (I), the green part of the light source point 21 (2) and blue point light sources 21 (3) may be issued directly by the incident surface 221 toward the incident surface 221 into the light-conducting element 22, the red light from the point light source 21 (the I), the other part of the green light source point 21 (2) and blue point light sources 21 (3) converging the light emitted toward the cover may be ellipsoidal surface 30, and by the ellipsoid after reflected toward the incident surface 221, and ultimately by the incident surface 221 into the light-conducting element 22, it increases the amount of light directed to the incident surface 221, improving the energy efficiency.

[0068] 进一步地,由于光传导元件22中的光线从出射面222射出后需要进入导光板(或扩散板)以形成均匀的面光源,这样红光点光源21 (I)、绿光点光源21 (2)和蓝光点光源21(3)依序循环发出红色光线、绿色光线和蓝色光线时,就需要红色光线、绿色光线和蓝色光线以基本上相同的入射条件包括入射角度和入射距离等射入到导光板中,以便这些红色光线、绿色光线和蓝色光线以基本上相同的角度从导光板中射出。 [0068] Further, since the light-conducting element 22 in the light from the emission surface 222 is emitted from the light guide plate need to enter (or diffuser plate) to form a uniform surface light source, so that the red point light source 21 (I), a green point light source 21 (2) and blue point light sources 21 (3) sequentially and repeatedly emit red light, green light and blue light, it is necessary red light, green light and blue light incident at substantially the same angle of incidence and incidence conditions include distance incident into the light guide, so that the red light, green light and blue light at substantially the same angle of light emitted from the light guide plate. 为达到此目的,可以使红光点光源21 (I)、绿光点光源21 (2)和蓝光点光源21 (3)在空间对称分布在与光传导元件22的入射面221相对应的位置处。 For this purpose, you can make the red point light source 21 (the I), a green point light source 21 (2) and blue point light sources 21 (3) in the spatial position of the light symmetrically incident surface 22 of the conductive member 221 corresponding to the place. 也就是说对于本实施例而言,如图13,可以使第一椭圆面31的第一焦点、第二椭圆面32的第一焦点以及第三椭圆面33的第一焦点在空间对称分布。 For the purposes of the present embodiment That is, in FIG. 13, the first focus can first elliptical surface 31, a first focal point and a third focus of the first ellipsoid 33 of the second elliptical surface 32 symmetrically space.

[0069] 结合图12和图13可以看出,将第一椭圆面31的第一焦点、第二椭圆面32的第一焦点以及第三椭圆面33的第一焦点在空间对称分布之后,各光汇聚罩的第一焦点和第二焦点的连线和入射面之间具有一定的夹角,该夹角的范围可以为O~90°。 [0069] in conjunction with FIGS. 12 and 13 can be seen, the first surface 31 of the first ellipse focus, the first focus and the focus of the first third of the elliptical surface 33 of the second elliptical surface 32 symmetrically space after each having a certain angle between the converging light incident surface and cover the first wiring and second focal points of the angle range may be O ~ 90 °. 当该夹角为90°时,各点光源发出直接射向入射面221的光线能够垂直射向入射面221 ;当该夹角为大于O小于90°时,各点光源发出的直接射向入射面221的光线倾斜射向入射面221,且当该夹角越小,光线倾斜的程度越大,则光线越不容易折射进入到光传导元件22中;当该夹角为O时,各点光源发出的直接射向入射面的光线平行射向入射面221,此时光线不能够直接折射进入到光传导元件22中,可以借助各光汇聚罩的汇聚作用使光线反射后再进入到光传导元件22中。 When the angle is 90 °, each point source directly towards the light incident surface 221 can be directed perpendicular to the incident surface 221; when the angle is greater than O is less than 90 °, is incident directly at each point source surface 221 inclined toward the light incident surface 221, and when the angle is smaller, the greater the degree of inclination of the light, the light is less likely refracted into the light-conducting element 22; when the angle is O, each point directly at the light incident surface of the parallel light emitted toward the incident surface 221, when the light is not refracted directly into the light-conducting element 22 may be converged by the light converging action of each of the cover so that light reflected after entering the light-conducting element 22.

[0070] 本实施例中,利用该色序显示方法产生的彩色视觉效果与空间混色方法产生的彩色视觉效果是相同的。 [0070] In this embodiment, the color sequential display using a color mixing method and the visual effects produced spatial method for generating color visual effect is the same. 而且当使所述红光点光源、绿光点光源和蓝光点光源依序循环发光时,由于一种基色的点光源只发出一种基色的光,因此不需要再使用彩膜基板上的像素单元对这些光线进行选择透过,这样就省略了对彩膜基板上像素单元的使用。 And when the red light source, green and blue point light sources emit light sequentially and repeatedly point light source, a point light source because one primary color emitted light of one color only, and thus do not need to use the pixels on the color filter substrate these cells are selected through the light, thus obviating the use of a color filter substrate including a pixel unit.

[0071] 进一步地,对于点光源发出白色光的情况而言,在经过彩膜基板的像素单元对该白色光进行选择透过后,只有一种颜色的基色光能够从彩膜基板透射出来,其余两种颜色的基色光线就被吸收了,因此光能的利用率降低。 After [0071] Further, for the case of a point light source emits white light, the pixel unit passing through the color filter substrate of the white light selective transmission, only one color can be transmitted from the primary light out of the color filter substrate, the remaining two colors primary light is absorbed, so the light efficiency is lowered. 而本实施例中省略了对彩膜基板上像素单元的使用,因此每个基光点光源所发出的光线基本上都能够全部被利用,光能的利用率提高了。 While the present embodiment is omitted using the color filter substrate of the pixel unit, so the light of each base point light source can be emitted substantially fully utilized, improved utilization of solar energy. 此外,在使用彩膜基板上的像素单元来对白色光进行选择透过时,需要将一个像素单元划分成三个亚像素单元,每个亚像素单元只能选择透过一种颜色的基色光。 Further, when a pixel unit on a color filter substrate to white light selective transmission needs to be one pixel unit is divided into three sub-pixel units, each sub-pixel units can only select one color shade through yl. 本实施例中省略对彩膜基板上像素单元的使用后,在与该像素单元相同面积的区域内,可以分时段同时透过三种颜色的基色光,因此提高了颜色的空间分辨率。 After using the present embodiment of the pixel unit on the color filter substrate is omitted, the same area in the region of the pixel unit can be divided into primary colors through a period of three colors simultaneously, thus increasing the spatial resolution of color.

[0072] 除此之外,本发明的实施例还提供了一种液晶显示装置,所述液晶显示装置包括上述的线光源,以及导光板和液晶面板,其中所述线光源的出射面朝向所述导光板的入光 [0072] In addition, embodiments of the present invention further provides a liquid crystal display device, the liquid crystal display device comprising the above-described line light source and the light guide plate and the liquid crystal panel, wherein the exit surface of the light source toward the line said guide plate into the light

面设置。 Surface is provided.

[0073] 需要说明的是,由于本实施例中线光源所使用的技术特征与上述各实施例中线光源所使用的技术特征相同,因此能够解决相同的技术问题,达到相同的预期效果。 [0073] Note that, due to technical features of the line light source used in the present embodiment the same as the above-described technical features of embodiments of the light source used in the line, it is possible to solve the same technical problems, to achieve the same desired effect. 因此,此处不再对所述液晶显示装置进行详述,相关的内容可以参见上述各实施例中的描述。 Therefore, no of the liquid crystal display device described in detail, reference may be related to the content described in the above embodiments.

[0074] 但是在这里需要指出的是,当所述线光源包括红光点光源、绿光点光源和蓝光点光源,且在所述红光点光源、绿光点光源和蓝光点光源电连接有控制单元,所述控制单元控制所述红光点光源、绿光点光源和蓝光点光源依序循环发出红色光线、绿色光线和蓝色光线时,所述液晶面板包括阵列结构和黑矩阵,且所述液晶显示装置中未设置彩膜结构。 [0074] It should however be noted that, when the line light source comprises a point light source of red, green and blue point light source point, and the point light source is connected to the red, green and blue point light source electrically points when a control unit, the control unit controls the red light source, green and blue point light sources sequentially and repeatedly emit red point light source light, green light and blue light, the liquid crystal panel includes an array structure and a black matrix, and the liquid crystal display device, the color filter structure is not provided.

[0075] 此时所述液晶面板可以包括第一基板和第二基板,并将所述阵列结构和黑矩阵设置在所述第一基板上。 [0075] At this time, the liquid crystal panel may include a first substrate and a second substrate, and the array structure and a black matrix disposed on the first substrate.

[0076] 或者,当所述线光源包括红光点光源、绿光点光源和蓝光点光源,且在所述红光点光源、绿光点光源和蓝光点光源电连接有控制单元,所述控制单元控制所述红光点光源、绿光点光源和蓝光点光源同时发出红色光线、绿色光线和蓝色光线时,所述液晶面板包括阵列结构、黑矩阵和彩膜结构。 [0076] Alternatively, when the line light source comprises a point light source of red, green and blue point light source point, and the control unit is connected to the point light source of red, green and blue point light source power point, the the control unit controls the red light source, green and blue point light source emits red light while the point light source, green light and blue light, the liquid crystal panel includes an array structure, the black matrix and the color filter structure.

[0077] 在现有通常的应用中,用作白光点光源的白光二极管采用蓝光激发黄色荧光粉来产生白光,这使得红光的成分较少,容易产生色偏。 White [0077] In the conventional typical applications, a point light source is used as the white LED using blue excitation yellow phosphor to generate white light, red light, which makes the composition less prone to color shift. 本实施例中。 The present embodiment. 使所述红光点光源(红光二极管)、绿光点光源(绿光二极管)和蓝光点光源(蓝光二极管)同时发光,可以使红色光线、绿色光线和蓝色光线在所述导光管内部混色,并可以通过选择这三种颜色中各自的发光强度调整白光中各个色光的比例,减少产生色偏,而且如果某一个点光源发生损坏,还可以替换。 The red point light sources (red LED), a green point light source (green LED) and blue point light source (blue light emitting diode) light simultaneously, can be red light, green light and blue light rays in the guide tube internal mixing, and may be generated by selecting the color shift of three colors in the respective light emission intensity ratios of the individual color lights to adjust the white, reduced, and if a point light source is damaged, can be replaced.

[0078] 以上所述,仅为本发明的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本发明的保护范围之内。 [0078] The above are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, any skilled in the art in the art within the technical scope of the present invention is disclosed, variations may readily occur or Alternatively, it shall fall within the protection scope of the present invention. 因此,本发明的保护范围应所述以权利要求的保护范围为准。 Accordingly, the scope of the present invention should be in the scope of the claims and their equivalents.

Claims (10)

  1. 1.一种线光源,其特征在于,包括点光源和线状光传导元件, 所述光传导元件包括入射面、出射面和全反射面; 所述点光源邻近所述入射面设置,所述点光源发出的光线经所述入射面进入所述光传导元件; 所述全反射面为全反射结构,用于使进入所述光传导元件内部的光线经全反射在所述光传导元件的内部传播; 所述出射面沿所述光传导元件的长度方向延伸,并通过破坏全反射条件使得所述光传导元件内部到达所述出射面的部分光出射; 所述线光源还包括光汇聚罩,所述光汇聚罩的内腔由三个焦点重合的第一椭球面、第二椭球面和第三椭球面组成,红光点光源设在所述第一椭球面的第一焦点处,绿光点光源设在所述第二椭球面的第一焦点处,蓝光点光源设在所述第三椭球面的第一焦点处,所述第一椭球面的第二焦点、所述第二椭球面的第二焦点 A line light source comprising the point light source and a linear light-conducting element, the conducting element comprises a light-incident surface, the exit surface and a total reflection surface; the point light source disposed adjacent to the incident surface, the the internal total reflection surface total reflection structure, for light entering the light conducting elements are totally reflected inside the light conducting element; light incident surface by the point source enters the light conducting element propagation; along the exit plane of the light conducting element extending in the longitudinal direction, and by breaking the total reflection condition such that the light-conducting inner member reaches the exit surface of the light exit portion; said line light source further comprises a light converging cover, the first light converging cover ellipsoidal lumen three focal points coincide, the second and third ellipsoid ellipsoidal composition, a red point light source disposed at a first focus of the first ellipsoid, green a light source disposed at a first focal point of the second ellipsoid, blue point light source disposed at a first focus of the ellipsoid of the third, the second focus of the first ellipsoid and the second ellipsoid the second focal point 以及所述第三椭球面的第二焦点空间位置重合,且所述光传导元件的入射面设在该重合的第二焦点处。 And a second focal point coincides with the third spatial position of the ellipsoid, and the light incident surface conductive element provided at the second focal point coinciding.
  2. 2.根据权利要求1所述的线光源,其特征在于, 所述光传导元件包括能够进行全反射的线状第一导光管,所述第一导光管的侧面包括相互邻接的所述全反射面和所述出射面,所述出射面上设有破坏全反射条件的透射结构。 The line light source according to claim 1, characterized in that the light conducting element comprises a first wire guide can be totally reflected in the light pipe, the first side of the light guide tube comprises said adjacent to each other total reflection surface and the exit surface, the exit surface of the transmission structure is provided with the total reflection condition of damage.
  3. 3.根据权利要求2所述的线光源,其特征在于,所述透射结构包括设在所述出射面上的微结构或网点。 3. The line light source according to claim 2, characterized in that said transmission structure comprises a face disposed in the exit or network microstructure.
  4. 4.根据权利要求1所述的线光源,其特征在于, 所述光传导元件包括内部能够进行光折射的线状第二导光管,所述全反射面为所述第二导光管包覆有全反射膜的部分侧面,第二导光管内部的光线在包覆有全反射膜的内表面上全反射,所述侧面上未包覆所述全反射膜的区域形成所述出射面。 A line light source according to claim 1, characterized in that the light conducting element comprises a second inner light guide wire can be refracted light pipe, the total reflection surface of the second light guide tube package total reflection film covered with a side portion of the light guide inside the second light pipe coated with a total reflection on the total reflection on the inner surface of the film, not coated with said total reflection film is formed on the side surface of the exit surface region .
  5. 5.根据权利要求1所述的线光源,其特征在于,所述入射面设在所述线状光传导元件的一端处或两端处。 The line light source according to claim 1, wherein said incident surface provided at one or both ends of said linear light conducting element.
  6. 6.根据权利要求1所述的线光源,其特征在于,所述第一椭球面的第一焦点、所述第二椭球面的第一焦点以及所述第三椭球面的第一焦点在空间对称分布,以使所述红光点光源、绿光点光源、蓝光点光源发出的光线以基本上相同的入射角度和入射距离由所述入射面射入所述光传导元件。 The line light source according to claim 1, wherein the first focus of the first ellipsoid spherical, ellipsoidal first focal point of the second and the first focal point of the ellipsoid in the third space symmetrical, point light source so that the red, green point light source, blue light from a point source at substantially the same angle of incidence and the incident light is incident from the incident surface by a conductive element.
  7. 7.一种液晶显示装置,其特征在于,包括如权利要求1至6任一项所述的线光源、导光板和液晶面板,所述线光源的出射面朝向所述导光板的入光面设置。 A liquid crystal display device comprising a line light source according to any one of claims 1 to 6, as claimed in claim light guide plate and the liquid crystal panel, the light emission surface of the wire guide plate toward the light incident surface settings.
  8. 8.根据权利要求7所述的液晶显示装置,其特征在于,所述线光源包括红光点光源、绿光点光源和蓝光点光源,在所述红光点光源、绿光点光源和蓝光点光源电连接有控制单元,且所述控制单元控制所述红光点光源、绿光点光源和蓝光点光源依序循环发出红色光线、绿色光线和蓝色光线时,所述液晶面板包括阵列结构和黑矩阵,且所述液晶显示装置中未设置彩膜结构。 The liquid crystal according to claim 7 of the display device, characterized in that said line light source comprises a red light source, green and blue point light point source, the point light source in the red, green and blue point light source when the point light source is electrically connected to the control unit, and the control unit controls the red light source, green and blue point light sources sequentially and repeatedly emit red point light source light, green light and blue light, the liquid crystal panel includes an array structure and the black matrix and the color filter in the liquid crystal display device structure is not provided.
  9. 9.根据权利要求8所述的液晶显示装置,其特征在于,所述液晶面板包括第一基板和第二基板,所述阵列结构和黑矩阵设置在所述第一基板上。 9. The liquid crystal display device of claim 8, wherein said liquid crystal panel comprising a first substrate and a second substrate, the array structure and a black matrix disposed on the first substrate.
  10. 10.根据权利要求7所述的液晶显示装置,其特征在于,所述线光源包括红光点光源、绿光点光源和蓝光点光源,在所述红光点光源、绿光点光源和蓝光点光源电连接有控制单元,且所述控制单元控制所述红光点光源、绿光点光源和蓝光点光源同时发出红色光线、绿色光线和蓝色光线时,所述液晶面板包括阵列结构、黑矩阵和彩膜结构。 10. The liquid crystal display of claim 7 device, characterized in that said line light source comprises a red light source, green light and blue point light source, the red light source, green and blue point light sources in when the point light source is electrically connected to the control unit, and the control unit controls the red light source, green and blue point light source emits red light while the point light source, green light and blue light, the liquid crystal panel includes an array structure, the black matrix and the color filter structure.
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