CN108303828A - A kind of LCD backlight with plate for high luminance light guide structure - Google Patents
A kind of LCD backlight with plate for high luminance light guide structure Download PDFInfo
- Publication number
- CN108303828A CN108303828A CN201810240363.0A CN201810240363A CN108303828A CN 108303828 A CN108303828 A CN 108303828A CN 201810240363 A CN201810240363 A CN 201810240363A CN 108303828 A CN108303828 A CN 108303828A
- Authority
- CN
- China
- Prior art keywords
- light guide
- guide plate
- circuit board
- frame
- lcd backlight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- 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
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
技术领域technical field
本发明涉及LCD设备技术领域，尤其涉及一种具有高亮度导光板结构的LCD背光源。The invention relates to the technical field of LCD equipment, in particular to an LCD backlight source with a high-brightness light guide plate structure.
背景技术Background technique
目前LCD背光模块多以侧光式为主，导光板的作用在于引导光的散射方向，用来提高面板的亮度，并确保面板亮度的均匀性，导光板的良优与否对背光板影响甚大，因此是侧光式背光板的关键技术之一。传统的导光板一般一侧边设有灯源，发出的光利用反射往非灯源侧传导，这样会造成灯源侧与非灯源侧的亮度存在差异，而且有一部分光从非灯源侧的侧面导出，造成光的损失，并且现有的LCD背光源亮度不佳，且灯源与导光板一般胶接为一体结构，更换困难。At present, most LCD backlight modules are mainly side-lit. The function of the light guide plate is to guide the scattering direction of light to improve the brightness of the panel and ensure the uniformity of the panel brightness. Whether the light guide plate is good or not has a great influence on the backlight plate. , so it is one of the key technologies of edge-lit backlight panels. The traditional light guide plate generally has a light source on one side, and the emitted light is transmitted to the non-light source side by reflection, which will cause a difference in brightness between the light source side and the non-light source side, and part of the light is from the non-light source side. The side of the LED is led out, resulting in loss of light, and the brightness of the existing LCD backlight is not good, and the light source and the light guide plate are generally glued into one structure, making it difficult to replace.
发明内容Contents of the invention
有鉴于此，有必要提供一种解决上述问题的一种具有高亮度导光板结构的LCD背光源。In view of this, it is necessary to provide an LCD backlight with a high brightness light guide plate structure that solves the above problems.
本发明是这样实现的，一种具有高亮度导光板结构的LCD背光源，包括导光板，所述导光板的一面固定设有第二反光板，所述第二反光板对应所述导光板的一侧设有蜂窝结构的凹槽，所述导光板的边缘两侧均设有护板，所述护板与所述导光板为一体结构，所述导光板的每个边上均设有U形框架，所述U形框架位于两个所述护板之间，且所述U形框架胶接在所述护板上，所述U形框架的内部两侧均固定设有卡槽，所述卡槽内插设有与之相匹配的长条形电路板，所述电路板与外部电源相连，所述电路板上沿其长度方向均匀设有多个LED灯，所述LED灯与所述电路板电性连接，所述U形框架内设有长条形导光块，所述导光块与所述导光板为一体结构，所述U形框架的底部胶接有长条形第一反光板。The present invention is achieved in this way, an LCD backlight with a high-brightness light guide plate structure, comprising a light guide plate, one side of the light guide plate is fixed with a second reflector, and the second reflector corresponds to the light guide plate One side is provided with a groove of honeycomb structure, and both sides of the edge of the light guide plate are provided with guard plates, the guard plate and the light guide plate are integrally structured, and each side of the light guide plate is provided with a U A frame, the U-shaped frame is located between the two guard plates, and the U-shaped frame is glued to the guard plate, and both sides of the U-shaped frame are fixed with card slots, so A matching elongated circuit board is inserted into the card slot, the circuit board is connected to an external power supply, and a plurality of LED lamps are evenly arranged on the circuit board along its length direction, and the LED lamps are connected to the The circuit board is electrically connected, the U-shaped frame is provided with a strip-shaped light guide block, the light guide block and the light guide plate are integrally structured, and the bottom of the U-shaped frame is glued with a strip-shaped first A reflector.
进一步的，所述导光块的截面为三角形结构，且所述导光块的两个斜面分别与所述LED灯对应设置。Further, the cross-section of the light guide block is a triangular structure, and the two slopes of the light guide block are respectively set corresponding to the LED lamps.
进一步的，所述第一反光板对应所述导光板的一侧为弧形结构。Further, the side of the first reflective plate corresponding to the light guide plate has an arc-shaped structure.
进一步的，两个相邻所述U形框架之间均设有缺口，所述缺口内均卡设有与之相匹配的密封块。Further, gaps are provided between two adjacent U-shaped frames, and matching sealing blocks are clamped in the gaps.
进一步的，所述护板上均匀设有散热孔。Further, heat dissipation holes are uniformly provided on the guard plate.
本发明提供的一种具有高亮度导光板结构的LCD背光源的优点在于：本发明结构简单合理，通过导光板每条边上均设有的两组灯源，可有效提高导光板的亮度，且使LCD背光源的亮度更加均匀，并且每个电路板可单独拆卸，方便LCD背光源的灯源更换，更加经济实用。The advantage of the LCD backlight with a high-brightness light guide plate structure provided by the present invention is that the structure of the present invention is simple and reasonable, and the brightness of the light guide plate can be effectively improved through the two sets of light sources provided on each side of the light guide plate. Moreover, the brightness of the LCD backlight source is more uniform, and each circuit board can be disassembled separately, which facilitates the replacement of the light source of the LCD backlight source, and is more economical and practical.
附图说明Description of drawings
图1为本发明一种具有高亮度导光板结构的LCD背光源的结构示意图；Fig. 1 is a structural schematic diagram of an LCD backlight source with a high-brightness light guide plate structure of the present invention;
图2为本发明图1的A处放大结构示意图；Fig. 2 is the schematic diagram of enlarged structure at A place of Fig. 1 of the present invention;
图3为本发明一种具有高亮度导光板结构的LCD背光源的剖视结构示意图。FIG. 3 is a schematic cross-sectional structure diagram of an LCD backlight with a high-brightness light guide plate structure according to the present invention.
图中：导光板1、护板2、散热孔21、U形框架3、卡槽31、电路板4、LED灯41、导光块5、第一反光板6、密封块7、第二反光板8、凹槽81。In the figure: light guide plate 1, protective plate 2, heat dissipation hole 21, U-shaped frame 3, card slot 31, circuit board 4, LED light 41, light guide block 5, first reflector plate 6, sealing block 7, second reflector Plate 8, groove 81.
具体实施方式Detailed ways
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
请一并参阅图1至图3，一种具有高亮度导光板结构的LCD背光源，包括导光板1，导光板1的一面固定设有第二反光板8，第二反光板8对应导光板1的一侧设有蜂窝结构的凹槽81，第二反光板8可将导光板1的一面光线反射到另一面，增强导光板1的单面亮度。Please refer to Figures 1 to 3 together. An LCD backlight with a high-brightness light guide plate structure includes a light guide plate 1, and a second reflector 8 is fixed on one side of the light guide plate 1, and the second reflector 8 corresponds to the light guide plate. One side of the light guide plate 1 is provided with a groove 81 of a honeycomb structure, and the second reflective plate 8 can reflect light from one side of the light guide plate 1 to the other side, thereby enhancing the brightness of one side of the light guide plate 1 .
导光板1的边缘两侧均设有护板2，护板2上均匀设有散热孔21，散热孔21便于灯源的散热，护板2与导光板1为一体结构，导光板1的每个边上均设有U形框架3，U形框架3位于两个护板2之间，且U形框架3胶接在护板2上，U形框架3的内部两侧均固定设有卡槽31，卡槽31内插设有与之相匹配的长条形电路板4，电路板4与外部电源相连，电路板4上沿其长度方向均匀设有多个LED灯41，LED灯41与电路板4电性连接，每个电路板4可单独从卡槽31内抽出，方便LCD背光源的灯源更换，更加经济实用。Both sides of the edge of the light guide plate 1 are provided with guard plates 2, and the guard plate 2 is evenly provided with cooling holes 21, which facilitate the heat dissipation of the light source. The guard plate 2 and the light guide plate 1 are integrally structured, and each A U-shaped frame 3 is arranged on each side, and the U-shaped frame 3 is located between two guard plates 2, and the U-shaped frame 3 is glued on the guard plate 2, and the inner sides of the U-shaped frame 3 are fixedly provided with clips. Slot 31, the card slot 31 is inserted with a strip-shaped circuit board 4 matching it, the circuit board 4 is connected to an external power supply, and a plurality of LED lights 41 are uniformly arranged on the circuit board 4 along its length direction, and the LED lights 41 Electrically connected with the circuit board 4, each circuit board 4 can be drawn out from the card slot 31 independently, which is convenient for the replacement of the light source of the LCD backlight, and is more economical and practical.
U形框架3内设有长条形导光块5，导光块5与导光板1为一体结构，U形框架3的底部胶接有长条形第一反光板6，导光块5的截面为三角形结构，且导光块5的两个斜面分别与LED灯41对应设置，第一反光板6对应导光板1的一侧为弧形结构，截面为三角形结构的导光块5可将LED灯41发出光折射进导光板1内，第一反光板6将LED灯41散射出去的光再次反射进导光板1内，有效提高了光的利用率，通过导光板1每条边上的两组灯源，可有效提高导光板的亮度，且使LCD背光源的亮度更加均匀。The U-shaped frame 3 is provided with a strip-shaped light guide block 5, and the light guide block 5 and the light guide plate 1 are integrally structured. The cross-section is a triangular structure, and the two slopes of the light guide block 5 are respectively arranged corresponding to the LED lights 41. The side of the first reflector 6 corresponding to the light guide plate 1 has an arc structure, and the light guide block 5 with a triangular cross-section can be The light emitted by the LED lamp 41 is refracted into the light guide plate 1, and the first reflector 6 reflects the light scattered by the LED lamp 41 into the light guide plate 1 again, which effectively improves the utilization rate of light. Two sets of light sources can effectively improve the brightness of the light guide plate and make the brightness of the LCD backlight more uniform.
两个相邻U形框架3之间均设有缺口，缺口内均卡设有与之相匹配的密封块7，密封块7起到对U形框架3两端的密封作用。A gap is provided between two adjacent U-shaped frames 3 , and a matching sealing block 7 is clamped in the gap, and the sealing block 7 plays a role of sealing the two ends of the U-shaped frame 3 .
本发明提供的一种具有高亮度导光板结构的LCD背光源的优点在于：本发明结构简单合理，通过导光板1每条边上均设有的两组灯源，可有效提高导光板1的亮度，且使导光板1的亮度更加均匀，并且每个电路板4可单独拆卸，方便LCD背光源的灯源更换，更加经济实用。The advantage of the LCD backlight with a high-brightness light guide plate structure provided by the present invention is that the structure of the present invention is simple and reasonable, and the two sets of light sources provided on each side of the light guide plate 1 can effectively improve the brightness of the light guide plate 1. brightness, and make the brightness of the light guide plate 1 more uniform, and each circuit board 4 can be disassembled separately, which facilitates the replacement of the light source of the LCD backlight source, and is more economical and practical.
以上所述，仅为本发明较佳的具体实施方式，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，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810240363.0A CN108303828A (en) | 2018-03-22 | 2018-03-22 | A kind of LCD backlight with plate for high luminance light guide structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810240363.0A CN108303828A (en) | 2018-03-22 | 2018-03-22 | A kind of LCD backlight with plate for high luminance light guide structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108303828A true CN108303828A (en) | 2018-07-20 |
Family
ID=62850293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810240363.0A Pending CN108303828A (en) | 2018-03-22 | 2018-03-22 | A kind of LCD backlight with plate for high luminance light guide structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108303828A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003029259A (en) * | 2001-07-12 | 2003-01-29 | Wintek Corp | Liquid crystal display |
| JP2006294343A (en) * | 2005-04-07 | 2006-10-26 | Mitsubishi Rayon Co Ltd | LED surface light source device |
| CN201555153U (en) * | 2009-12-01 | 2010-08-18 | 深圳帝光电子有限公司 | Uniform high-brightness side-light type backlight source |
| CN102434824A (en) * | 2011-11-09 | 2012-05-02 | 友达光电（苏州）有限公司 | Backlight module |
| WO2013155699A1 (en) * | 2012-04-18 | 2013-10-24 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN104776363A (en) * | 2015-04-28 | 2015-07-15 | 京东方科技集团股份有限公司 | Backlight module and display device |
| US20150370003A1 (en) * | 2014-06-24 | 2015-12-24 | Boe Technology Group Co., Ltd. | Light strip, backlight and display device |
| CN208172446U (en) * | 2018-03-22 | 2018-11-30 | 东莞市元立电子科技有限公司 | A kind of LCD backlight with plate for high luminance light guide structure |
-
2018
- 2018-03-22 CN CN201810240363.0A patent/CN108303828A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003029259A (en) * | 2001-07-12 | 2003-01-29 | Wintek Corp | Liquid crystal display |
| JP2006294343A (en) * | 2005-04-07 | 2006-10-26 | Mitsubishi Rayon Co Ltd | LED surface light source device |
| CN201555153U (en) * | 2009-12-01 | 2010-08-18 | 深圳帝光电子有限公司 | Uniform high-brightness side-light type backlight source |
| CN102434824A (en) * | 2011-11-09 | 2012-05-02 | 友达光电（苏州）有限公司 | Backlight module |
| WO2013155699A1 (en) * | 2012-04-18 | 2013-10-24 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| US20150370003A1 (en) * | 2014-06-24 | 2015-12-24 | Boe Technology Group Co., Ltd. | Light strip, backlight and display device |
| CN104776363A (en) * | 2015-04-28 | 2015-07-15 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN208172446U (en) * | 2018-03-22 | 2018-11-30 | 东莞市元立电子科技有限公司 | A kind of LCD backlight with plate for high luminance light guide structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102865527B (en) | Backlight module | |
| CN207408715U (en) | A kind of side entrance back module and display device | |
| US9030642B2 (en) | Liquid crystal display device | |
| US9016893B2 (en) | LED lamp | |
| CN101832517B (en) | Back light module | |
| CN102980099A (en) | Backlight module | |
| WO2018119688A1 (en) | Backlight module, backlight and plastic frame thereof | |
| TWM392976U (en) | Edge-lit backlight module | |
| KR20160054006A (en) | Backlight module and liquid crystal display device using same | |
| CN205350975U (en) | Concatenation formula panel light | |
| CN208172446U (en) | A kind of LCD backlight with plate for high luminance light guide structure | |
| WO2007094095A1 (en) | Liquid crystal display, light source holding body, member for light source insertion, and backlight | |
| CN103511930A (en) | LED backlight module and corresponding liquid crystal display | |
| US8834002B2 (en) | Backlight module with side reflector plate protection | |
| WO2013139049A1 (en) | Side-type backlight module | |
| CN206555836U (en) | A kind of backlight module and display device | |
| CN102927503A (en) | Backlight module | |
| CN108303828A (en) | A kind of LCD backlight with plate for high luminance light guide structure | |
| WO2014201785A1 (en) | Backlight module and display apparatus | |
| CN102913848A (en) | Sunlight-auxiliary side-edge-type backlight module and liquid crystal display | |
| CN201983075U (en) | LED lamp strip and side-light back light module | |
| CN202868487U (en) | Backlight module and display device | |
| CN206921417U (en) | Novel LED light source advertising lamp box component | |
| CN1982985A (en) | Straight-down negative-light module | |
| CN104238189A (en) | Backlight source and assembling method thereof, display panel and display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20240816 |
|
| AD01 | Patent right deemed abandoned |