CN105467503A - Light guide plate and display device - Google Patents
Light guide plate and display device Download PDFInfo
- Publication number
- CN105467503A CN105467503A CN201511027090.4A CN201511027090A CN105467503A CN 105467503 A CN105467503 A CN 105467503A CN 201511027090 A CN201511027090 A CN 201511027090A CN 105467503 A CN105467503 A CN 105467503A
- Authority
- CN
- China
- Prior art keywords
- guide plate
- light guide
- light
- diode electrode
- main body
- 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
- 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
- G02B6/0083—Details of electrical connections of light sources to drivers, circuit boards, or the like
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/0073—Light emitting diode [LED]
Abstract
The invention provides a light guide plate and a display device. The light guide plate comprises a first surface and a diode electrode, wherein the first surface comprises at least one depression structure, and each depression structure is provided with a fluorescent material and a light emitting diode chip; the diode electrode comprises a diode electrode main body and a diode electrode pin; the diode electrode pin is located outside the depression structure; the diode electrode main body is located in the depression structure; and the diode electrode main body is electrically connected with the diode chip. According to the light guide plate and the display device provided by the invention, integration between the light guide plate and a light source is realized, no light source needs to be arranged outside the light guide plate, light emitting of the light guide plate is realized, the light source located at one side of the light guide plate is saved, and when the light guide plate is applied to the display device, the frame distance of the display device can be reduced.
Description
Technical field
The present invention relates to display field, particularly relate to a kind of light guide plate and display device.
Background technology
Panel of LCD (LCDpanel) has now been widely used in the electronic product of the tool growth potentiality such as monitor, notebook computer, digital still camera and projector.Panel of LCD manufacturer is after generation face glass, must first in conjunction with colored filter, pour into liquid crystal after both involutions, then with the assembly common combination such as backlight module, drive IC, control circuit board after be sold to the notebook computer in downstream, mobile phone or LCD monitor manufacturer.
Liquid crystal display module is one of critical component of liquid crystal indicator, and because liquid crystal itself is not luminous, namely the function of liquid crystal display module is well-off brightness and the light source be evenly distributed, can normal show image.Liquid crystal display module forms primarily of assembling components such as light source, reflecting plate (Reflector), light guide plate (Lightguideplate), diffusion sheet (Diffusionsheet), brightness enhancement film (Brightnessenhancementfilm) and housings, wherein, housing is generally be made up of glue frame and chase, meanwhile, glue frame and chase also play the effect carried with supporting each parts.
In addition, electronic reading device many uses electronic paper technology emerging in recent years, wherein, electronic paper technology is actually the general designation of a class technology, is mostly to adopt electrophoretic display technology (electrophoresisDisplay, EPD) as display panel, its display effect access expansion paper effect, avoids reading tired, in order to provide to user night reading experience, in prior art, electronic paper technology is combined with light guide plate and light source, make the use of electronic reading device convenient.
Summary of the invention
The invention provides a kind of light guide plate, comprising: first surface; Described first surface comprises at least one sunk structure, is provided with fluorescent material, light-emitting diode chip for backlight unit in described sunk structure; Described light guide plate also comprises diode electrode; Wherein, described diode electrode comprises diode electrode main body and diode electrode pin, described diode electrode pin is positioned at outside described sunk structure, and described diode electrode main body is arranged in described sunk structure, and described diode electrode main body is electrically connected with described diode chip for backlight unit.
The present invention also provides a kind of display device, comprises above-mentioned light guide plate.
Light guide plate provided by the invention and display device, by arranging sunk structure at first surface, and fluorescent material, light-emitting diode chip for backlight unit etc. are set in sunk structure, achieve the integrated of light guide plate and light source, do not need the outer setting light source in light guide plate, the luminescence of light guide plate can be realized, save the light source being positioned at light guide plate side, and when this light guide plate is applied to after in display device, the frame distance of display device can be reduced.
Accompanying drawing explanation
A kind of light conducting plate structure schematic diagram that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is along AA ' line cut-open view in Fig. 1;
The light guide plate first surface schematic diagram that Fig. 3 provides for the embodiment of the present invention;
The another kind of light conducting plate structure schematic diagram that Fig. 4 provides for the embodiment of the present invention;
Fig. 5 is a kind of electric connection structure schematic diagram of light guide plate and flexible printed circuit board;
Fig. 6 is the another kind of electric connection structure schematic diagram of light guide plate and flexible printed circuit board;
Another light conducting plate structure schematic diagram that Fig. 7 provides for the embodiment of the present invention;
Another light conducting plate structure schematic diagram that Fig. 8 provides for the embodiment of the present invention;
Another light conducting plate structure schematic diagram that Fig. 9 provides for the embodiment of the present invention;
Another light conducting plate structure schematic diagram that Figure 10 provides for the embodiment of the present invention.
Embodiment
Although be described in more detail the present invention below with reference to accompanying drawings, which show the preferred embodiments of the present invention, should be understood to those skilled in the art can modify on the basis of the description, and still can realize advantageous effects of the present invention.Therefore, following description is appreciated that the expansion of the thinking to those skilled in the art, and not as limitation of the present invention.
In order to clearly describe whole features of practical embodiments.They in the following description, are not described in detail known function and structure, because can make the present invention chaotic due to unnecessary details.Will be understood that in the exploitation of any practical embodiments, a large amount of implementation detail must be made to realize the specific objective of developer, such as, according to regarding system or the restriction about business, change into another embodiment by an embodiment.In addition, will be understood that this development may be complicated and time-consuming, but be only routine work for a person skilled in the art.
In the following passage, more specifically the present invention is described by way of example with reference to accompanying drawing.Make main points of the present invention and feature will be clearer according to following explanation.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, the clearly aid illustration embodiment of the present invention.
The embodiment of the present invention provides a kind of light guide plate, as shown in Figure 1 and Figure 2, and a kind of light conducting plate structure schematic diagram of Fig. 1 for providing for the embodiment of the present invention; Fig. 2 is along AA ' line cut-open view in Fig. 1; Light guide plate 100 comprises: first surface 101, first surface 101 comprises at least one sunk structure 102, in the present embodiment, three sunk structures 102 are comprised for first surface 101, wherein, sunk structure 102 concrete structure with reference to figure 2, can be provided with fluorescent material 104, light-emitting diode chip for backlight unit 106 in sunk structure 102; Light guide plate 100 also comprises diode electrode, diode electrode comprises diode electrode main body 103a and diode electrode pin 103b, diode electrode pin 103b is positioned at outside sunk structure 102, diode electrode main body 103a is arranged in described sunk structure 102, and diode electrode main body 103a is electrically connected with diode chip for backlight unit 106.
The light guide plate that the present embodiment provides, by arranging sunk structure at first surface, and fluorescent material, light-emitting diode chip for backlight unit etc. are set in sunk structure, achieve the integrated of light guide plate and light source, do not need the outer setting light source in light guide plate, the luminescence of light guide plate can be realized, light source is arranged in light guide plate, saves the light source being positioned at outside, light guide plate side, shorten light guide plate luminous side border width, and because built-in light-source is inner in light guide plate, improve the utilization factor of light source.
It should be noted that, in the sunk structure of light guide plate, light source is set, in order to isolated air and steam, need by light-source encapsulation in sunk structure, can with reference to figure 2, light guide plate also comprises encapsulated layer 105, object is diode electrode main body 103a and diode chip for backlight unit 106, and fluorescent material 104 is sealed in sunk structure, avoid ingress of air and steam, reduction of service life.
The light guide plate 100 that the embodiment of the present invention provides also comprises exiting surface 107, can with reference to figure 1, and exiting surface 107 is vertical with first surface 101, the light sent by the sunk structure 102 of first surface, and after light refraction in light guide plate, light is sent by exiting surface 107.Optionally, as shown in Figure 4, the another kind of light conducting plate structure schematic diagram that Fig. 4 provides for the embodiment of the present invention, light guide plate 100 also comprises reflective surface 108, reflective surface 108 is parallel with exiting surface 107, and, vertical with first surface, reflective surface 108 is provided with multiple projection 109 for reflected light, the reflective surface 108 mentioned in the present embodiment, refer to the fluorescent material 104 be encapsulated in by encapsulated layer 105 in sunk structure, light-emitting diode chip for backlight unit 106, the light source that diode electrode main body 103a and diode electrode pin 103b forms, a series of optical phenomena such as reflection or refraction of light is there is in the light sent by light source at reflective surface 108, final light can be penetrated by exiting surface 107, restriction is not made to reflective surface 108, can at the reflective surface coating reflectorized material of light guide plate, or below light guide plate, reflection horizon is set, strengthen reflection function, improve light utilization.
Optionally, light guide plate also comprises flexible printed circuit board, and as shown in Figure 5, Figure 6, Fig. 5 is a kind of electric connection structure schematic diagram of light guide plate and flexible printed circuit board, Fig. 6 is the another kind of electric connection structure schematic diagram of light guide plate and flexible printed circuit board, flexible printed circuit board 110 is electrically connected with diode electrode pin 103b, concrete, light guide plate 100 comprises sunk structure, fluorescent material 104 is provided with in sunk structure, light-emitting diode chip for backlight unit 106, diode electrode main body 103a and encapsulated layer 105, wherein light-emitting diode chip for backlight unit 106 is connected to diode electrode pin 103b by diode electrode main body 103a, and be connected to flexible printed circuit board 110 further, Fig. 5 is clear statement connected mode, therefore a gap is had between flexible printed circuit board 110 and light guide plate 110, in actual product, glue laminating can be passed through between flexible printed circuit board 110 and light guide plate 110.The embodiment provided in Fig. 6, diode electrode pin 103b is parallel with flexible printed circuit board 110, can by the mode of welding, diode electrode pin 103b is welded on flexible printed circuit board 110, then by diode electrode pin 103b is bent, by the first surface of flexible printed circuit board 110 towards light guide plate 100.Further alternative, flexible printed circuit board is provided with reflector layer 111 towards a side surface of first surface, and the light that the first surface of light guide plate 100 spills can be reflected back light guide plate 100 by reflector layer 111, improves light source utilization rate.
Optionally, when light guide plate comprises N number of first surface, wherein N be greater than 1 even number, relative between two in N number of first surface, and relative two first surfaces are parallel.Concrete, as shown in Figure 7, another light conducting plate structure schematic diagram that Fig. 7 provides for the embodiment of the present invention, the light guide plate that Fig. 7 provides is octagon, comprise four first surfaces 101, wherein first surface 101 is relative between two, and relative two first surfaces are parallel, and arbitrary first surface comprises two sunk structures 102.Fig. 7 is only schematic example, and do not limit light guide plate shape, light guide plate also can be rectangle etc.
Optionally, described dimpled texture surface is provided with light scattering structure, as shown in Figure 8, another light conducting plate structure schematic diagram that Fig. 8 provides for the embodiment of the present invention, light guide plate 100 comprises sunk structure, fluorescent material 104 is provided with in sunk structure, light-emitting diode chip for backlight unit 106, diode electrode main body 103a and encapsulated layer 105, wherein light-emitting diode chip for backlight unit 106 is connected to diode electrode pin 103b by diode electrode main body 103a, the inside surface of sunk structure is provided with light scattering structure 112, wherein, described light scattering structure 112 comprises: prism structure, network, pass through light scattering structure, the light that light source can be sent carries out scattering, avoid firefly phenomenon, make light source evenly.
Optionally, first surface is provided with reflection horizon.As shown in Figure 9, another light conducting plate structure schematic diagram that Fig. 9 provides for the embodiment of the present invention, light guide plate 100 comprises sunk structure, fluorescent material 104, light-emitting diode chip for backlight unit 106, diode electrode main body 103a and encapsulated layer 105 is provided with in sunk structure, wherein light-emitting diode chip for backlight unit 106 is connected to diode electrode pin 103b by diode electrode main body 103a, the first surface surface of light guide plate 100 is provided with reflection horizon 115, the light reflection that light guide plate 100 is spilt by first surface can be returned light guide plate by reflection horizon 115, improves the utilization factor of light source.Further alternative, as shown in Figure 10, another light conducting plate structure schematic diagram that Figure 10 provides for the embodiment of the present invention.Light diffuse reflective structure 116 is provided with between the first surface of light guide plate 100 and reflection horizon 115, the equalizing light rays of light diffuse reflective structure 116 for reflection horizon 115 is reflected, avoid directly reflecting the local of causing excessively bright, increase back light brightness simultaneously, ensure the homogeneity of brightness.
The present invention also provides a kind of display device, comprises the above-mentioned light guide plate provided.
In sum, although the present invention discloses as above with preferred embodiment, so itself and be not used to limit the present invention, those skilled in the art can do various changes and retouching under the premise without departing from the spirit and scope of the present invention, if therefore these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.Protection scope of the present invention is as the criterion with claim of the present invention.
Claims (10)
1. a light guide plate, is characterized in that, comprising: first surface;
Described first surface comprises at least one sunk structure, is provided with fluorescent material, light-emitting diode chip for backlight unit in described sunk structure;
Described light guide plate also comprises diode electrode;
Wherein, described diode electrode comprises diode electrode main body and diode electrode pin, described diode electrode pin is positioned at outside described sunk structure, and described diode electrode main body is arranged in described sunk structure, and described diode electrode main body is electrically connected with described diode chip for backlight unit.
2. light guide plate as claimed in claim 1, it is characterized in that, described light guide plate also comprises exiting surface, and described exiting surface is vertical with described first surface.
3. light guide plate as claimed in claim 1, it is characterized in that, described light guide plate also comprises reflective surface, and described reflective surface is parallel with described exiting surface, vertical with described first surface, and described reflective surface is provided with multiple projection for reflected light.
4. light guide plate as claimed in claim 1, it is characterized in that, described light guide plate also comprises flexible printed circuit board, and described flexible printed circuit board is electrically connected with described diode electrode pin.
5. light guide plate as claimed in claim 4, it is characterized in that, described flexible printed circuit board surface is provided with reflector layer.
6. light guide plate as claimed in claim 1, it is characterized in that, described light guide plate comprises N number of described first surface, wherein N be greater than 1 even number, relative between two in N number of described first surface, and relative two described first surfaces are parallel.
7. light guide plate as claimed in claim 1, it is characterized in that, described dimpled texture surface is provided with light scattering structure.
8. light guide plate as claimed in claim 1, it is characterized in that, described first surface is provided with reflection horizon.
9. light guide plate as claimed in claim 8, is characterized in that, be provided with light diffuse reflective structure between described first surface and described reflection horizon.
10. a display device, comprises the light guide plate as described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511027090.4A CN105467503A (en) | 2015-12-31 | 2015-12-31 | Light guide plate and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511027090.4A CN105467503A (en) | 2015-12-31 | 2015-12-31 | Light guide plate and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105467503A true CN105467503A (en) | 2016-04-06 |
Family
ID=55605393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511027090.4A Pending CN105467503A (en) | 2015-12-31 | 2015-12-31 | Light guide plate and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105467503A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040109105A1 (en) * | 2002-11-29 | 2004-06-10 | Alps Electric Co., Ltd. | Backlight unit and liquid crystal display device |
| CN1667466A (en) * | 2004-03-11 | 2005-09-14 | 鸿富锦精密工业（深圳）有限公司 | Backlight module |
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| CN101886784A (en) * | 2009-05-15 | 2010-11-17 | 上海向隆电子科技有限公司 | Light guide device of backlight module |
| CN102628580A (en) * | 2011-11-30 | 2012-08-08 | 友达光电股份有限公司 | Light guide plate structure, backlight module and manufacturing method thereof |
| CN202791664U (en) * | 2012-09-14 | 2013-03-13 | 上海北闵电子工业有限公司 | Integrated backlight module |
| CN103148362A (en) * | 2011-12-06 | 2013-06-12 | 郭锦标 | Plane light source device and manufacturing method thereof |
| CN203037888U (en) * | 2012-09-05 | 2013-07-03 | 深圳市德仓科技有限公司 | Light guide plate and backlight module |
| CN203799044U (en) * | 2014-04-17 | 2014-08-27 | 锦湖光电(深圳)有限公司 | Improved structure of light guide plate |
| CN204405889U (en) * | 2015-01-27 | 2015-06-17 | 深圳市南极光电子科技有限公司 | A kind of light guide plate source ends of backlight carves type structure |
| CN104880761A (en) * | 2015-06-02 | 2015-09-02 | 徐平 | Integrated micro-optical light guide plate and module |
-
2015
- 2015-12-31 CN CN201511027090.4A patent/CN105467503A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040109105A1 (en) * | 2002-11-29 | 2004-06-10 | Alps Electric Co., Ltd. | Backlight unit and liquid crystal display device |
| CN1667466A (en) * | 2004-03-11 | 2005-09-14 | 鸿富锦精密工业（深圳）有限公司 | Backlight module |
| CN1773343A (en) * | 2004-11-09 | 2006-05-17 | 鸿富锦精密工业（深圳）有限公司 | Back light system |
| CN1869784A (en) * | 2005-05-28 | 2006-11-29 | 鸿富锦精密工业（深圳）有限公司 | Backlight unit set and its assembling method |
| CN2852193Y (en) * | 2005-12-06 | 2006-12-27 | 群康科技(深圳)有限公司 | Backlight module assembly and liquid crystal display device employing the same |
| CN101868670A (en) * | 2007-11-22 | 2010-10-20 | 精工精密株式会社 | Illuminating apparatus and method for manufacturing illuminating apparatus |
| CN101886784A (en) * | 2009-05-15 | 2010-11-17 | 上海向隆电子科技有限公司 | Light guide device of backlight module |
| CN102628580A (en) * | 2011-11-30 | 2012-08-08 | 友达光电股份有限公司 | Light guide plate structure, backlight module and manufacturing method thereof |
| CN103148362A (en) * | 2011-12-06 | 2013-06-12 | 郭锦标 | Plane light source device and manufacturing method thereof |
| CN203037888U (en) * | 2012-09-05 | 2013-07-03 | 深圳市德仓科技有限公司 | Light guide plate and backlight module |
| CN202791664U (en) * | 2012-09-14 | 2013-03-13 | 上海北闵电子工业有限公司 | Integrated backlight module |
| CN203799044U (en) * | 2014-04-17 | 2014-08-27 | 锦湖光电(深圳)有限公司 | Improved structure of light guide plate |
| CN204405889U (en) * | 2015-01-27 | 2015-06-17 | 深圳市南极光电子科技有限公司 | A kind of light guide plate source ends of backlight carves type structure |
| CN104880761A (en) * | 2015-06-02 | 2015-09-02 | 徐平 | Integrated micro-optical light guide plate and module |
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