CN105093383A - Light guide plate structure - Google Patents
Light guide plate structure Download PDFInfo
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- CN105093383A CN105093383A CN201410192009.7A CN201410192009A CN105093383A CN 105093383 A CN105093383 A CN 105093383A CN 201410192009 A CN201410192009 A CN 201410192009A CN 105093383 A CN105093383 A CN 105093383A
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Abstract
The invention provides a light guide plate structure, and the structure comprises a plate body. The plate body is provided with a light incoming plane, a light outgoing plane, and a mesh point setting plane. The light outgoing plane and the mesh point setting plane are parallel to each other, are respectively intersected with the light incoming plane. The light incoming plane is used for receiving a light beam transmitted by a light source. The light outgoing plane is used for guiding the transmission of the light beam. The structure also comprises a plurality of first mesh points which are respectively shaped like a half rugby and are disposed on the mesh point setting plane in an intersected manner. The first mesh points are respectively provided with a long axis, and all long axes are parallel to each other and perpendicular to the light incoming plane. The structure also comprises a plurality of second mesh points which are respectively provided with a half arc surface and disposed on the mesh point setting plane. Any one second mesh point is disposed nearby one first mesh point.
Description
Technical field
The present invention about a kind of light conducting plate structure, espespecially a kind of light conducting plate structure promoting outgoing light homogeneity.
Background technology
The known backlight module for liquid crystal display includes a light guide plate and a light source, wherein, light source can be a LED point light source or a CCFL line source, and be arranged at an incidence surface of light guide plate, and light source launch light beam enter light guide plate by incidence surface after, light guide plate can utilize the total reflection characteristic of light, light beam is directed to far-end, and utilize the total reflection of the Microstructure Fracture light beam in light guide plate, can be penetrated by the exiting surface of light guide plate after the light beam of scattering is injected microstructure, therefore, light guide plate is namely in order to convert pointolite or line source to area source outgoing, and the shape of microstructure and size in light guide plate, all can affect light beam penetrated by exiting surface after briliancy and uniformity coefficient, therefore namely relevant dealer develops the microstructure of different designs at present, to adapt to various different backlight module.
As namely No. I271490th, TaiWan, China patent provides a kind of microstructure of light guide plate, it is from bottom surface of light guide plate pyrometric cone columnar structure outwardly, and No. I402543rd, TaiWan, China patent separately provides a kind of light guide plate with oval site, but, known light guide plate polyphyly only has the microstructure of single shape, the briliancy of its adjustable light guide plate bright dipping, but it is little for the lifting effect of outgoing light homogeneity, in view of this, there is provided the light guide plate that a kind of outgoing light homogeneity is higher, real is problem necessary at present.
Summary of the invention
For solving above-mentioned problem, the object of the present invention is to provide a kind of light conducting plate structure, it has two kinds of difform sites, can promote the overall outgoing light homogeneity of light guide plate.
For reaching aforementioned object, the invention discloses a kind of light conducting plate structure, comprising:
One plate body, it has an incidence surface, an exiting surface and a site installation surface, wherein, this exiting surface and this site installation surface parallel to each other, and crossing with this incidence surface respectively, and the light beam that this incidence surface is launched in order to receive a light source, this exiting surface is in order to guide beam exit; It is characterized in that:
Multiple first site, its half rugby shape, and be located at this site installation surface, wherein, those first sites respectively have a major axis, and respectively this major axis is parallel to each other, and all perpendicular to this incidence surface; And
Multiple second site, it has half arc surface, and is located at this site installation surface, and wherein, any one this second site is located at around any one this first site.
Wherein, the refraction angle injected when the beam reflection behind those first sites to this exiting surface penetrates is less than the refraction angle when beam reflection after injecting those second sites to this exiting surface penetrates.
Wherein, this site installation surface is provided with many first axles and many second axis arranged at equal intervals with one second spacing that arrange at equal intervals with one first spacing, those first axles and those the second axis orthogonal, and intersect to form multiple intersection point, and those first sites are located on those intersection points with misplacing.
Wherein, those first sites respectively have the minor axis of one and this long axis normal, respectively this major axis and this minor axis can be vertically intersected on a central point, and respectively this central point is positioned on this intersection point, respectively this major axis and this first axle are stacked, and respectively this minor axis and this second axis are stacked, and each central point of this first site and adjacent and the central point being positioned at the first site of same second axis has one the 3rd spacing, respectively the 3rd spacing is identical, and the twice of each the 3rd this first spacing of spacing system.
Wherein, respectively the 3rd spacing is greater than this second spacing.
Wherein, respectively the 3rd spacing is less than this second spacing.
Wherein, the major axis of those the first sites is less than 3mm, and the minor axis of those the first sites is less than 1.5mm.
Wherein, the diameter of those the second sites is between 0.01mm ~ 0.2mm.
Wherein, those first sites respectively have two camber lines away from the side of this site installation surface, one end of this two camber line is connected on a contact, and the other end is connected with the two ends of this minor axis respectively, and those first sites respectively have respectively with two tangent lines of this two tangential, this two tangent line intersects and intersects angle between 60 degree ~ 150 degree.
Wherein, respectively the central point of this first site and the vertical range of this contact between 0.01mm ~ 0.1mm.
Above structure, after the light beam launched when light source of the present invention enters plate body by the incidence surface of plate body, plate body can utilize the total reflection characteristic of light, light beam is directed to far-end, and utilize the total reflection of each first site on plate body and the second site broken beam, can be penetrated by the exiting surface of plate body after the light beam of scattering is injected the first site or the second site, wherein, first site half rugby shape of the present invention, second site has half arc surface, refraction angle when beam reflection after injecting the first site to exiting surface is penetrated, be less than the refraction angle when beam reflection after injecting the second site to exiting surface penetrates, by this, first site comparatively has the effect of optically focused relative to the second site, and the second site comparatively has the effect of astigmatism relative to the first site, therefore, by difform first site of the present invention two kinds and the second site, the uniformity coefficient of overall plate body bright dipping can be increased.
Accompanying drawing explanation
Fig. 1: schematic perspective view of the present invention.
Fig. 2: backplan of the present invention.
Fig. 3: the partial enlarged drawing of Fig. 2 of the present invention.
Enlarged schematic partial view in Fig. 3 A: Fig. 3.
The 4-4 profile line of Fig. 4: Fig. 2 of the present invention and the fragmentary sectional view of the direction of arrow.
Fig. 5: running schematic diagram of the present invention.
Fig. 6: another embodiment of the present invention.
Embodiment
For ease of the central idea that the present invention is represented in foregoing invention content one hurdle is described, hereby express with specific embodiment.In embodiment, various different object is in being suitable for the ratio enumerating explanation, but not is drawn in the ratio of actual components, and conjunction is first chatted bright.
Refer to shown in Fig. 1 to Fig. 4 and Fig. 6, the invention provides a kind of light conducting plate structure, comprise:
One plate body 10, it has an incidence surface 11, one exiting surface 12 and a site installation surface 13, wherein, exiting surface 12 and site installation surface 13 parallel to each other, and it is crossing with incidence surface 11 respectively, the light beam that incidence surface 11 is launched in order to receive a light source (not shown), light source can as the pointolite of LED, or the line source of CCFL, exiting surface 12 is in order to guide beam exit, and site installation surface 13 is provided with many first axles 14 arranged at equal intervals with one first spacing L1, and many second axis 15 arranged at equal intervals with one second spacing L2, those first axles 14 are orthogonal with those second axis 15, and intersect to form multiple intersection point, as shown in Figure 3, and those second axis 15 are parallel to the sideline 16 that incidence surface 11 and site installation surface 13 intersect.
Multiple first site 20, its half rugby shape, and be located on each intersection point of site installation surface 13 alternately, make the first site 20 be positioned on those second axis 15, be dislocation arrangement with the first site 20 on adjacent second axis 15, as Fig. 2 and Fig. 3, shown in 3A, wherein, those first sites 20 respectively have major axis 21 and a minor axis 22, each major axis 21 is less than 3mm, each minor axis 22 is less than 1.5mm, each major axis 21 can be vertically intersected on a central point 23 with minor axis 22, and each central point 23 is positioned on intersection point, each major axis 21 is stacked with first axle 14, each minor axis 22 and the second axis 15 are stacked, and the central point 23 of the first site 20 is with adjacent and be positioned at the central point 23 of the first site 20 of same second axis 15, there is one the 3rd spacing L3, wherein, each 3rd spacing L3 is identical, and be the twice of the first spacing L1, and each 3rd spacing L3 can be greater than or less than the second spacing L2, in preferred embodiment of the present invention, each 3rd spacing L3 is greater than the second spacing L2, as shown in Figure 3.
Those first sites 20 of the present invention can protrude from site installation surface 13, as shown in Figure 4, those first sites 20 respectively have two camber lines 24 away from the side of site installation surface 13, one end of this two camber line 24 can be connected on a contact 26, and the other end can be connected with the two ends of minor axis 22 respectively, and those first sites 20 respectively have two tangent with this two camber line 24 respectively tangent lines 25, this two tangent line 25 can intersect, and intersect angle θ between 60 degree ~ 150 degree, and respectively the central point 23 of this first site 20 and the vertical range of contact 26 between 0.01mm ~ 0.1mm.
Multiple second site 30, it is located at site installation surface 13, and there is half arc surface, wherein, those second sites 30 can semicircle spherical, or it is cylindrical, in preferred embodiment of the present invention, those the second site 30 semicircles are spherical, as shown in Figure 4, and the diameter of those the second sites 30 is between 0.01mm ~ 0.2mm, and any one first site 20 is located at around in any one second site 30, shown in embodiment as shown in Figure 1 to Figure 4, be located on the intersection point between two the first sites 20 by each second site 30, and another embodiment of Fig. 6, then each the second site 30 no regularity is located at around each first site 20.
More than be structure of the present invention and shape Like summarizes, and effect principle the present invention can reached and using method are presented below:
Each first site 20 of the present invention and the second site 30 are with machining, the mode of laser or etching is located at the site installation surface 13 of plate body 10, make each first site 20 and the second site 30 can protrude from site installation surface 13 simultaneously, or be recessed in site installation surface 13 simultaneously, and in preferred embodiment of the present invention, each first site 20 and the second site 30 protrude from site installation surface 13 simultaneously, as shown in Fig. 1 and Fig. 4, in addition, in site installation surface 13, the large I of each the first site 20 is identical, as shown in Figure 1 to Figure 3, also can be as shown in Figure 6, be located in site installation surface 13 to the size no regularity of each the first site 20.
Refer to shown in Fig. 5, after the light beam of light source transmitting enters plate body 10 by the incidence surface 11 of plate body 10, plate body 10 can utilize the total reflection characteristic of light, light beam is directed to far-end, and utilize the total reflection of each first site 20 in site installation surface 13 and the second site 30 broken beam, can be penetrated by the exiting surface 12 of plate body 10 after the light beam of scattering being injected the first site 20 or the second site 30, make plate body 10 to convert the light source of pointolite or line source to area source outgoing.
And the first site 20 half rugby shape of the present invention, second site 30 semicircle is spherical, refraction angle θ 1 when beam reflection to exiting surface 12 after injecting the first site 20 is penetrated, be less than the refraction angle θ 2 when beam reflection to the exiting surface 12 after injecting the second site 30 penetrates, by this, first site 20 comparatively has the effect of optically focused relative to the second site 30, and the second site 30 comparatively has the effect of astigmatism relative to the first site 20, and any one first site 20 can be located at around in any one second site 30, therefore, by difform first site 20 and the second site 30 of the present invention two kinds, the uniformity coefficient of overall plate body 10 bright dipping can be increased.
In sum, the invention provides a kind of light conducting plate structure, its plate body 10 has the first site 20 of multiple half rugby shape and spherical the second site 30 of multiple semicircle, and any one first site 20 can be located at around in any one second site 30, make the overall outgoing light homogeneity that can promote plate body 10 by light conducting plate structure of the present invention.
Above illustrated embodiment, only in order to the present invention to be described, is not used to limit the scope of the invention.Such as do not disobey the present invention's various modifications of being engaged in of spirit or change, all belong to the category that this invention is intended to protect.
Claims (10)
1. a light conducting plate structure, comprises:
One plate body, it has an incidence surface, an exiting surface and a site installation surface, wherein, this exiting surface and this site installation surface parallel to each other, and crossing with this incidence surface respectively, and the light beam that this incidence surface is launched in order to receive a light source, this exiting surface is in order to guide beam exit; It is characterized in that:
Multiple first site, its half rugby shape, and be located at this site installation surface, wherein, those first sites respectively have a major axis, and respectively this major axis is parallel to each other, and all perpendicular to this incidence surface; And
Multiple second site, it has half arc surface, and is located at this site installation surface, and wherein, any one this second site is located at around any one this first site.
2. light conducting plate structure as claimed in claim 1, it is characterized in that, the refraction angle injected when the beam reflection behind those first sites to this exiting surface penetrates is less than the refraction angle when beam reflection after injecting those second sites to this exiting surface penetrates.
3. light conducting plate structure as claimed in claim 1, it is characterized in that, this site installation surface is provided with many first axles and many second axis arranged at equal intervals with one second spacing that arrange at equal intervals with one first spacing, those first axles and those the second axis orthogonal, and intersect to form multiple intersection point, and those first sites are located on those intersection points with misplacing.
4. light conducting plate structure as claimed in claim 3, it is characterized in that, those first sites respectively have the minor axis of one and this long axis normal, respectively this major axis and this minor axis can be vertically intersected on a central point, and respectively this central point is positioned on this intersection point, respectively this major axis and this first axle are stacked, respectively this minor axis and this second axis are stacked, and each central point of this first site and adjacent and the central point being positioned at the first site of same second axis has one the 3rd spacing, respectively the 3rd spacing is identical, and the twice of each the 3rd this first spacing of spacing.
5. light conducting plate structure as claimed in claim 4, it is characterized in that, respectively the 3rd spacing is greater than this second spacing.
6. light conducting plate structure as claimed in claim 4, it is characterized in that, respectively the 3rd spacing is less than this second spacing.
7. light conducting plate structure as claimed in claim 4, it is characterized in that, the major axis of those the first sites is less than 3mm, and the minor axis of those the first sites is less than 1.5mm.
8. light conducting plate structure as claimed in claim 4, it is characterized in that, the diameter of those the second sites is between 0.01mm ~ 0.2mm.
9. light conducting plate structure as claimed in claim 4, it is characterized in that, those first sites respectively have two camber lines away from the side of this site installation surface, one end of this two camber line is connected on a contact, and the other end is connected with the two ends of this minor axis respectively, and those first sites respectively have respectively with two tangent lines of this two tangential, this two tangent line intersects and intersects angle system between 60 degree ~ 150 degree.
10. light conducting plate structure as claimed in claim 9, it is characterized in that, respectively the central point of this first site and the vertical range of this contact are between 0.01mm ~ 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410192009.7A CN105093383A (en) | 2014-05-08 | 2014-05-08 | Light guide plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410192009.7A CN105093383A (en) | 2014-05-08 | 2014-05-08 | Light guide plate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105093383A true CN105093383A (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410192009.7A Pending CN105093383A (en) | 2014-05-08 | 2014-05-08 | Light guide plate structure |
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| CN (1) | CN105093383A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106273571A (en) * | 2016-08-29 | 2017-01-04 | 江西中创光电科技有限公司 | A kind of light guide plate mesh point and preparation method thereof |
| CN110446887A (en) * | 2016-12-09 | 2019-11-12 | 亮锐有限责任公司 | Light guide with patterning ink |
| US10680148B2 (en) | 2016-12-09 | 2020-06-09 | Lumileds Llc | Light guide with patterned ink |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201803231U (en) * | 2010-07-20 | 2011-04-20 | 冠捷投资有限公司 | Light guide plate with diffusion or brightness-increasing effects |
| CN201903665U (en) * | 2010-11-01 | 2011-07-20 | 扬昕精密股份有限公司 | Light guide plate and backlight module |
| CN202267758U (en) * | 2011-10-10 | 2012-06-06 | 北京京东方光电科技有限公司 | Light guide plate, backlight source and display device |
-
2014
- 2014-05-08 CN CN201410192009.7A patent/CN105093383A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201803231U (en) * | 2010-07-20 | 2011-04-20 | 冠捷投资有限公司 | Light guide plate with diffusion or brightness-increasing effects |
| CN201903665U (en) * | 2010-11-01 | 2011-07-20 | 扬昕精密股份有限公司 | Light guide plate and backlight module |
| CN202267758U (en) * | 2011-10-10 | 2012-06-06 | 北京京东方光电科技有限公司 | Light guide plate, backlight source and display device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106273571A (en) * | 2016-08-29 | 2017-01-04 | 江西中创光电科技有限公司 | A kind of light guide plate mesh point and preparation method thereof |
| CN110446887A (en) * | 2016-12-09 | 2019-11-12 | 亮锐有限责任公司 | Light guide with patterning ink |
| US10680148B2 (en) | 2016-12-09 | 2020-06-09 | Lumileds Llc | Light guide with patterned ink |
| US10991860B2 (en) | 2016-12-09 | 2021-04-27 | Lumileds Llc | Light guide with patterned ink |
| CN110446887B (en) * | 2016-12-09 | 2021-09-24 | 亮锐有限责任公司 | Light guide with patterned ink |
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Application publication date: 20151125 |
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