CN103574393A - LED (light-emitting diode) light source module and direct type LED television - Google Patents

LED (light-emitting diode) light source module and direct type LED television Download PDF

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Publication number
CN103574393A
CN103574393A CN201210274739.2A CN201210274739A CN103574393A CN 103574393 A CN103574393 A CN 103574393A CN 201210274739 A CN201210274739 A CN 201210274739A CN 103574393 A CN103574393 A CN 103574393A
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China
Prior art keywords
led
light
plurality
surface
top wall
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CN201210274739.2A
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Chinese (zh)
Inventor
林奕村
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鸿富锦精密工业(深圳)有限公司
鸿海精密工业股份有限公司
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Priority to CN201210274739.2A priority Critical patent/CN103574393A/en
Publication of CN103574393A publication Critical patent/CN103574393A/en

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Abstract

The invention relates to a direct type LED television, which comprises an LED module, a plurality of light guide elements and a display panel. The LED module comprises a circuit board and a plurality of LEDs arranged as an array on the circuit board. The light guide elements are arranged on the circuit board, and each light guide element comprises a top wall and a hollow containing part connected with the top wall. One LED is contained in each containing part. Each top wall comprises a light incidence surface close to the containing part and a light emergence surface opposite from the containing part, the light incidence surface is provided with a concave lens facing the LED, the light emergence surface is provided with a convex lens, and the concave lens and the convex lens are jointly used for diffusing the light emitted by the LED. The display panel is arranged over the light guide elements and receives LED light transmitted by the light guide elements. The invention also relates to the LED light source module.

Description

LED光源模块及直下式LED电视 LED light source module and a direct type LED TVs

技术领域 FIELD

[0001] 本发明涉及LED光源模块以及直下式LED电视。 [0001] The present invention relates to an LED light source module and a direct type LED TV.

背景技术 Background technique

[0002] 发光二极管(LED)作为点光源已被广泛使用。 [0002] The light emitting diode (LED) has been widely used as a point light source. 目前,LED的导光元件主要为一平面的扩散板,该扩散板内部具有微粒用于扩散光线。 Currently, LED light guide element is a mainly flat plate as a diffusion of the interior of the diffusion plate for diffusing light having particle. 该扩散板与该LED需要维持一定的距离使光线热量不会过度集中而产生热点(Hot Spot)。 The diffuser plate and the LED needs to maintain a certain distance so that the light is not excessive concentration of heat generation of hot spots (Hot Spot). 然而,随着薄型化电子产品,例如薄型化LED电视的需求,上述扩散板与LED的距离难以进一步限缩。 However, with the thinning of the electronic products, such as thin LED TV demand, the diffusing plate and the LED is difficult to further narrow down the distance.

发明内容 SUMMARY

[0003] 有鉴于此,有必要提供一种能克服上述问题的LED光源模块以及直下式LED电视。 [0003] In view of this, it is necessary to overcome the above problems to provide an LED light source module and a direct type LED TV.

[0004] —种LED光源模块,其包括一LED模块以及多个导光兀件。 [0004] - species LED light source module comprising a plurality of LED modules and a light guiding member Wu. 该LED模块包括一电路板及多个LED以阵列排布在该电路板上。 The LED module comprises a circuit board and a plurality of LED arrays arranged in the circuit board. 该多个导光元件排布在该电路板上。 The plurality of light guide elements are arranged on the circuit board. 每个该导光元件包括一顶壁及一与该顶壁连接的中空收容部,每个该收容部收容一个该LED。 Each of the light guide member includes a top wall and a hollow receiving portion connected to the top wall, each receiving a portion of the housing of the LED. 每个该顶壁包括一靠近该收容部的入光面及一背离该收容部的出光面,该入光面具有一面对该LED的内凹透镜面,该出光面具有一外凸透镜面,该内凹透镜面与该外凸透镜面共同用于扩散该LED发出的光线。 Each of the top wall includes a portion near the light incident surface of the housing and facing away from the receiving portion of a light emitting surface, the surface having the concave side of the inner surface of the LED, the light emitting surface having a convex outer surface, which concave inner surface and the outer surface of the common lens for diffusing light emitted from the LED.

[0005] —种直下式LED电视,其包括一LED模块,多个导光兀件以及一显不面板。 [0005] - TV Species direct type LED, the LED module includes a plurality of light guide member and a substantially not Wu panel. 该LED模块包括一电路板及多个LED以阵列排布在该电路板上。 The LED module comprises a circuit board and a plurality of LED arrays arranged in the circuit board. 该多个导光兀件排布在该电路板上。 Wu of the plurality of light guide member arranged on the circuit board. 每个该导光元件包括一顶壁及一与该顶壁连接的中空收容部,每个该收容部收容一个该LED。 Each of the light guide member includes a top wall and a hollow receiving portion connected to the top wall, each receiving a portion of the housing of the LED. 每个该顶壁包括一靠近该收容部的入光面及一背离该收容部的出光面,该入光面具有一面对该LED的内凹透镜面,该出光面具有一外凸透镜面,该内凹透镜面与该外凸透镜面共同用于扩散该LED发出的光线。 Each of the top wall includes a portion near the light incident surface of the housing and facing away from the receiving portion of a light emitting surface, the surface having the concave side of the inner surface of the LED, the light emitting surface having a convex outer surface, which concave inner surface and the outer surface of the common lens for diffusing light emitted from the LED. 该显示面板设置在该多个导光元件上方并接收透过该多个导光元件的LED光线。 The display panel is disposed above the plurality of light guide elements and light receiving elements through the plurality of LED light guide.

[0006] 相对于现有技术,本发明提供的导光元件面对LED的入光面具有内凹透镜面,背离LED的出光面具有外凸透镜面,该内凹透镜面使LED光线先进行扩散,从而可以减轻或消除热点现象,该外凸透镜面作为网点进一步使LED光线扩散,提升近距离散射的效果。 [0006] with respect to the prior art, the present invention provides a light guide element facing the surface having the LED within the concave lens surface, a surface facing away from the LED having an outer convex surface, the concave inner surface of the LED light to be diffused, may reduce or eliminate the hot spot phenomenon, the outer surface of the lens as diffuse light LED network further enhance the close-scattering effect. 该LED光源模块及LED电视通过阵列排布的多个该导光元件避免使用扩散板,实现大型化且 The plurality of light guide elements of the LED light source and LED module array arranged by the TV to avoid using a diffusion plate, and upsizing

薄型化。 Thinner.

附图说明 BRIEF DESCRIPTION

[0007] 图1是本发明实施例提供的LED导光元件立体示意图。 [0007] FIG. 1 is a perspective schematic view of a light guide element LED according to an embodiment of the present invention.

[0008] 图2是图1的反面示意图。 [0008] FIG. 2 is a schematic view of the reverse side.

[0009] 图3是本发明实施例提供的LED光源模块剖示图。 [0009] FIG 3 is provided in a cross-sectional diagram of an LED light source module of the present embodiment of the invention.

[0010] 图4是本发明实施例提供的直下式LED电视示意图。 [0010] FIG. 4 is a schematic view of a direct type LED TV according to an embodiment of the present invention.

[0011] 主要元件符号说明 [0011] Main reference numerals DESCRIPTION

Figure CN103574393AD00041

如下具体实施方式将结合上述附图进一步说明本发明。 The following detailed description in conjunction with the accompanying drawings, the present invention is described.

具体实施方式 Detailed ways

[0012] 请一并参阅图1及图2,本发明实施例提供的LED导光元件100包括一顶壁10, —与该顶壁10连接的中空收容部20以及多个支柱30。 [0012] Referring to FIGS. 1 and 2, embodiments of the present invention, light from the LED 100 provided in the guide member 10 includes a top wall --20 struts 30 and a plurality of the hollow housing portion 10 connected to the top wall.

[0013] 该收容部20具有周围的侧壁,该收容部20用于收容一个LED。 [0013] The receiving portion 20 has a side wall surrounding the receiving portion 20 for receiving one LED. 本实施例中,该顶壁10为圆形,该收容部20为圆环形。 In this embodiment, the top wall 10 is circular, the receiving portion 20 is annular. 在其它实施例中,该顶壁10及该收容部20可以为其它形状,例如均可以为方形,仅需要该收容部20外形与该顶壁10外形相对应即可。 In other embodiments, the top wall 10 and the receiving portion 20 may be other shapes such as a square can that requires only the receiving portion 20 outer shape corresponding to the outer shape of the top wall 10.

[0014] 该多个支柱30形成于该收容部20远离该顶壁10的一端的端部。 [0014] The plurality of struts 30 are formed at an end portion of the top wall 10 of the receiving end portion 20 away. 该多个支柱30用于插入LED电路板中,以固定该导光兀件100于该LED上方。 The plurality of struts 30 for inserting the LED circuit board, to fix the light guide member 100 in the upper Wu LED. 本实施例中,该多个支柱30的数量为三个。 In this embodiment, the number of the plurality of struts 30 is three.

[0015] 该顶壁10包括一靠近该收容部20的入光面12及一背离该收容部20的出光面 [0015] The top wall 10 includes a light incident surface adjacent to the receiving portion 20 of the housing 12 and away from a portion of the surface 20

14。 14. 该入光面12具有一面对LED的内凹透镜面121,该出光面14具有一外凸透镜面141。 The light incident surface 12 having a concave lens surface facing the interior of the 121 LED, the light emitting surface 14 having a convex outer surface 141. 该内凹透镜面121与该外凸透镜面141对齐,且分别位于该入光面12的中心及该出光面14的中心。 The inner concave surface 141 is aligned with the outer convex surface 121, and located the center of the surface 12 and the surface 14 of the center. 该内凹透镜面121与该外凸透镜面141可以均为球面或非球面形状。 The outer lens 121 and inner surface 141 of the concave surface may be spherical or aspherical shape are.

[0016] 该导光兀件100为一体成型结构。 [0016] The light guide member 100 is integrally formed Wu structure. 该导光兀件100整体可以由一种透光材料制成。 Wu The light guide member 100 may be integrally made of a light transmissive material.

[0017] 该内凹透镜面121使LED光线先进行扩散,从而使LED光线的热量不会过度集中,即可以减轻或消除热点现象,该外凸透镜面141作为网点进一步使LED光线扩散,提升近距离散射的效果。 [0017] The inner concave surface 121 of the LED light to diffused light of the LED so that heat is not excessive concentration, i.e., a hot spot phenomenon can be reduced or eliminated, the outer convex surface 141 of the LED as the light diffusion outlets further enhance the close the effect of scattering.

[0018] 请参阅图3,本发明实施例提供的LED光源模块200包括一LED模块210及多个导光元件100。 [0018] Referring to FIG 3, an embodiment of the present invention to provide an LED light source module 200 includes a plurality of LED modules 210 and a light guide member 100. 该LED模块210包括一电路板240,以及多个LED230以阵列排布于该电路板240。 The LED module 210 includes a circuit board 240, and a plurality LED230 arranged in an array on the circuit board 240. 每个该LED230收容在一个该收容部20中。 Each one of the LED230 housed in the housing portion 20. 该导光元件100的支柱30插入该电路板240的定位孔241中,以固定该导光元件100于该LED230上方。 The light guide member 100 of the pillar 30 is inserted into the positioning hole 241 of the circuit board 240, to fix the light guide member 100 in the upper LED230.

[0019] 由于内凹透镜面121的向内凹陷及其对光线的扩散作用,LED230与该导光元件100之间的距离可以缩小,同时可以减轻或消除热点现象。 [0019] Since the recesses 121 inwardly and the inner concave surface of the diffusion light, LED 230 can be reduced and the distance between the light guide member 100, and can reduce or eliminate the hot spot phenomenon. 由于具有外凸透镜面141的进一步扩散,该LED光源模块200可以无需另外的扩散板。 Since the convex lens having an outer surface 141 further spread of the LED light source module 200 may not need an additional diffusion plate.

[0020] 请参阅图4,本发明实施例提供的直下式LED电视300包括一显示面板310设置在该LED光源模块200的导光元件100上方。 [0020] Referring to FIG 4, the embodiment of the present invention, the direct type LED TV 300 cases include a display panel 310 disposed above the LED light source module 200 of the light guide member 100. 该显示面板310接收透过该多个导光元件的LED光线。 The display panel 310 receives light transmitted through the plurality of LED light guide elements. 该显示面板310与该导光元件100之间可以增加其它的元件,但无需扩散板。 The display panel 310 of the light guide element may be added between the other elements 100, but without the diffusion plate.

[0021] 由于该LED光源模块200可以薄型化,该直下式LED电视300可以薄型化。 [0021] Since the LED light source module 200 can be made thin, the direct type LED TV 300 can be made thin.

[0022] 可以理解的是,本领域技术人员还可于本发明精神内做其它变化,都应包含在本发明所要求保护的范围之内。 [0022] It will be appreciated that those skilled in the art may be made to other variations within the spirit of the present invention, the present invention is intended to be included within the scope of the claims.

Claims (8)

1.一种LED光源模块,其包括: 一LED模块,该LED模块包括一电路板及多个LED阵列排布在该电路板上;以及多个导光元件排布在该电路板上,每个该导光元件包括一顶壁及一与该顶壁连接的中空收容部,每个该收容部收容一个该LED,每个该顶壁包括一靠近该收容部的入光面及一背离该收容部的出光面,该入光面具有一面对该LED的内凹透镜面,该出光面具有一外凸透镜面,该内凹透镜面与该外凸透镜面共同用于扩散该LED发出的光线。 1. An LED light source module, comprising: a LED module, the LED module includes a circuit board and a plurality of LED arrays are arranged on the circuit board; and a plurality of light guide elements arranged on the circuit board, each a light-guiding member includes a top wall and a hollow receiving portion and the top wall of the connector, each of which accommodating a portion of the housing the LED, each of which comprises a top wall of the housing near the light incident surface, and a portion facing away from the the surface portion of the housing, the inner concave surface having a light incident surface side of the LED, the light emitting surface having a convex outer surface, the inner concave surface and the convex outer surface for diffusing the light of the common emitted by the LED.
2.如权利要求1所述的LED光源模块,其特征在于:每个该收容部连接该顶壁的周缘,且该收容部外形与该顶壁外形相对应。 2. The LED light source module according to claim 1, wherein: each of the peripheral edge of the receiving portion connected to the top wall, the receiving portion and the outline shape corresponding to the top wall.
3.如权利要求1所述的LED光源模块,其特征在于:该内凹透镜面与该外凸透镜面对齐,且该内凹透镜面与该外凸透镜面分别位于该入光面的中心及该出光面的中心。 3. The LED light source module according to claim 1, wherein: the inner concave surface and the convex outer face aligned, and the inner concave surface and the convex outer surfaces are located in the center of the light incident surface and the light Center faces.
4.如权利要求1所述的LED光源模块,其特征在于:该电路板包括多个定位孔,每个该导光元件进一步包括多个支柱,该多个支柱形成于该收容部远离该顶壁的一端的端部,且插入该多个定位孔中。 4. The LED light source module according to claim 1, wherein: the circuit board comprises a plurality of positioning holes, each of the light guide element further comprises a plurality of struts, the plurality of struts formed on the housing portion away from the top an end wall of the end portion, and inserted into the plurality of positioning holes.
5.一种直下式LED电视,其包括: 一LED模块,该LED模块包括一电路板及多个LED以阵列排布在该电路板上; 多个导光元件排布在该电路板上,每个该导光元件包括一顶壁及一与该顶壁连接的中空收容部,每个该收容部收容一个该LED,每个该顶壁包括一靠近该收容部的入光面及一背离该收容部的出光面,该入光面具有一面对该LED的内凹透镜面,该出光面具有一外凸透镜面,该内凹透镜面与该外凸透镜面共同用于扩散该LED发出的光线;以及一显示面板设置在该多个导光元件上方并接收透过该多个导光元件的LED光线。 A direct type LED TV, comprising: a LED module, the LED module includes a circuit board and a plurality of LED arrays arranged in the circuit board; a plurality of light guide elements arranged on the circuit board, each of the light guide member includes a top wall and a hollow receiving portion connected to the top wall, each of which accommodating a portion of the housing the LED, each of which comprises a top wall of the housing near the light incident surface and a portion facing away from the the surface of the receiving portion, into the side of the inner surface having a concave lens surface of the LED, the light emitting surface having a convex outer surface, the inner concave surface and the convex outer surface for diffusing the light of the common emitted from the LED; and a display panel disposed above the plurality of light guide elements and light receiving elements through the plurality of LED light guide.
6.如权利要求5所述的直下式LED电视,其特征在于:每个该收容部连接该顶壁的周缘,且该收容部外形与该顶壁外形相对应。 6. The direct type LED TV as claimed in claim 5, wherein: each of the peripheral edge of the receiving portion connected to the top wall, the receiving portion and the outline shape corresponding to the top wall.
7.如权利要求5所述的直下式LED电视,其特征在于:该内凹透镜面与该外凸透镜面对齐,且该内凹透镜面与该外凸透镜面分别位于该入光面的中心及该出光面的中心。 7. The direct type LED TV as claimed in claim 5, wherein: the inner concave surface and the convex outer face aligned, and the inner concave surface and the convex outer surfaces are located in the center of the light incident surface and the smooth out the center.
8.如权利要求5所述的直下式LED电视,其特征在于:该电路板包括多个定位孔,每个该导光元件进一步包括多个支柱,该多个支柱形成于该收容部远离该顶壁的一端的端部,且插入该多个定位孔中。 8. The direct type LED TV according to claim 5, wherein: the circuit board comprises a plurality of positioning holes, each of the light guide element further comprises a plurality of struts, the plurality of struts formed on the housing portion away from the One end of the top wall end portion, and inserted into the plurality of positioning holes.
CN201210274739.2A 2012-08-03 2012-08-03 LED (light-emitting diode) light source module and direct type LED television CN103574393A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1858635A (en) * 2005-04-30 2006-11-08 巨虹电子股份有限公司 LCD back light source producing method
US20080278655A1 (en) * 2007-05-09 2008-11-13 Lg. Philips Lcd Co., Ltd. Light emitting diode package having dual lens structure and backlight for liquid crystal display device implementing the same
WO2011010487A1 (en) * 2009-07-21 2011-01-27 シャープ株式会社 Support pin, illumination device, display device, and television receiving device
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