CN105807360B - Light guide plate and light source module - Google Patents
Light guide plate and light source module Download PDFInfo
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- CN105807360B CN105807360B CN201410833722.5A CN201410833722A CN105807360B CN 105807360 B CN105807360 B CN 105807360B CN 201410833722 A CN201410833722 A CN 201410833722A CN 105807360 B CN105807360 B CN 105807360B
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Abstract
A kind of light guide plate comprising incidence surface, light-emitting surface and bottom surface.Light-emitting surface is connect perpendicular to incidence surface and with incidence surface.Bottom surface is connect relative to light-emitting surface and with incidence surface.Multiple first sites and multiple second sites are formed on bottom surface, wherein the point diameter depth of each first site is HF, the point diameter depth of each second site is HS, and 1 μm < (HF-HS) < 15 μm.A kind of light source module is separately provided.Light guide plate provided by the invention can reduce scraping to injure and fraying for light guide plate by site depth difference on light guide plate, and light source module provided by the invention has the taste of good optics.
Description
Technical field
The present invention about a kind of light guide plate and light source module, and especially with regard to one kind can reduce the light guide plate of scratch with
And light source module.
Background technique
In general, light source module can divide into directly-down light source module and side entering type light source module.With side entering type light source
For module, light guide plate, the reflector plate below light guide plate and the light source positioned at light guide plate side are generally comprised.Light source
After the incidence surface that the light beam issued is located at light guide plate side certainly enters light guide plate, entire leaded light can be led to because of total reflection
In plate.The total reflection that light can be destroyed positioned at multiple sites of bottom surface of light guide plate allows light beam to project from the light-emitting surface of light guide plate, thus
Area source needed for being formed.
With the trend that light source module is thinned, the demand for being thinned light guide plate is also gradually increased.In existing slimming
In light guide plate, the depth of site is relatively small, therefore during light source module is carried or light source module shakes because of other reasons
When dynamic or shaking, light guide plate is easy to be present between light guide plate and reflector plate because of the foreign matter that naked eyes can not be discovered, because foreign matter squeezes
Press contacts and cause to scrape, fray.Since light guide plate scrapes, frays region can also destroy the total reflection of light, and the model that foreign matter squeezes
It encloses relatively significantly, therefore light guide plate corresponds to the generation that the region is easy obvious bright spot, and influences the optics product of light source module
Taste.Due to the scraping of light guide plate, fraying is difficult to restore, and bright spot is difficult to cover up, and therefore, how to reduce foreign matter and squeezes light guide plate, with
Avoiding light guide plate, the situation scrapped occurs due to bright spot generates, and actually current research staff one of wants to solve the problems, such as.
Chinese Patent No. 103629600,103185244 disclose a variety of light guide plates respectively, these light guide plates respectively have
Two kinds of different micro-structures of depth.TaiWan, China patent I 292845 disclose the two methods for forming site.In addition, Chinese
Taiwan new patent the M400593rd bottom surface disclosed in light guide plate forms two kinds of different sites of depth, to reduce light guide plate
Absorption and friction between reflector plate.However, the size due to different sites is different, the above two site of configuration has can
The light distribution (such as influencing the uniformity of area source) that the area source projected from light guide plate can be influenced, to influence application
The optics of the light source module of this light guide plate is sampled.
Summary of the invention
The present invention provides a kind of light guide plate, can reduce scraping for light guide plate by depth difference in site on light guide plate and injure mill
Wound.
The present invention also provides a kind of light source modules, apply above-mentioned light guide plate, and have the taste of good optics.
Other objects and advantages of the present invention can from disclosed herein technical characteristic in be further understood.
It is to provide a kind of leaded light up to one of above-mentioned or part or all of purpose or other purposes, one embodiment of the invention
Plate comprising incidence surface, light-emitting surface and bottom surface.Light-emitting surface is connect perpendicular to incidence surface and with incidence surface.Bottom surface is relative to out
It smooth surface and is connect with incidence surface.Multiple first sites and multiple second sites are formed on bottom surface, wherein each first site
Depth is HF, and the depth of each second site is HS, and 1 μm < (HF-HS) < 15 μm.
The light guide plate of one embodiment of the invention, wherein the thickness of light guide plate is less than 0.7mm, and 2 m≤HS≤10 μm μ.
The light guide plate of one embodiment of the invention, wherein the depth H F of each first site and the depth H S of each second site are accorded with
Close 6 μ m≤()≤10 μm HF-HS.
The light guide plate of one embodiment of the invention, wherein the length of bottom surface is L, and the width of bottom surface is W, these first sites
It is arranged in (M × N) array, 0.1mm≤M≤L/3, and 0.1mm≤N≤W/3.
The light guide plate of one embodiment of the invention, wherein the point diameter of each first site is RF, the point diameter of each second site is
RS, and 0.5≤()≤1 RF/RS.
The light guide plate of one embodiment of the invention, wherein 10 m≤RF≤70 μm μ, and 30 m≤RS≤70 μm μ.
The light guide plate of one embodiment of the invention, wherein these second sites are in random-number distribution.
It is to provide a kind of light source up to one of above-mentioned or part or all of purpose or other purposes, one embodiment of the invention
Module, including light guide plate and light source.Light guide plate includes incidence surface, light-emitting surface and bottom surface.Light-emitting surface perpendicular to incidence surface and
It is connect with incidence surface.Bottom surface is connect relative to light-emitting surface and with incidence surface, and multiple first sites and multiple are formed on bottom surface
Second site, wherein the depth of each first site is HF, the depth of each second site is HS, and 1 μm < (HF-HS) < 15 μm.Light
Source is configured in incidence surface side.
The light source module of one embodiment of the invention, wherein the thickness of light guide plate is less than 0.7mm, and 2 m≤HS≤10 μm μ.
The light source module of one embodiment of the invention, wherein the depth H S of the depth H F of each first site and each second site
Meet 6 μ m≤()≤10 μm HF-HS.
The light source module of one embodiment of the invention, wherein the length of bottom surface is L, and the width of bottom surface is W, these first nets
Point is arranged in (M × N) array, 0.1mm≤M≤L/3, and 0.1mm≤N≤W/3.
The light source module of one embodiment of the invention, wherein the point diameter of each first site is RF, the point diameter of each second site
For RS, and 0.5 < (RF/RS) < 1.
The light source module of one embodiment of the invention, wherein 10 m≤RF≤70 μm μ, and 30 m≤RS≤70 μm μ.
The light source module of one embodiment of the invention, wherein these second sites are in random-number distribution.
The light source module of one embodiment of the invention further includes reflector plate, wherein these first sites and these second
Site is configured between bottom surface and reflector plate.
Based on above-mentioned, the light guide plate of the above embodiment of the present invention passes through the point diameter ratio of modulation difference site, to reduce difference
Influence of the site for light distribution.Therefore, good optics can samples using the light source module of above-mentioned light guide plate.Separately
Outside, the depth of the first site is greater than the depth of the second site, with increase the distance between bottom surface and reflector plate and the second site and
The distance of reflector plate, and then increase foreign matter movable space between bottom surface and reflector plate and between the second site and reflector plate.
Therefore, the probability that large-sized foreign matter causes bottom surface to scratch or rub because squeezing bottom surface can be reduced, to help to reduce bright
The generation of point.
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and cooperate appended attached drawing
It is described in detail below.
Detailed description of the invention
Figure 1A is the partial cutaway schematic according to a kind of light source module of one embodiment of the invention.
Figure 1B is the elevational schematic view according to a kind of light source module of one embodiment of the invention.
Fig. 2 is the schematic diagram arranged according to first site of one kind of one embodiment of the invention in (M × N) array.
Specific embodiment
For the present invention aforementioned and other technology contents, feature and effect, in multiple embodiments of following cooperation attached drawing
Detailed description in, can clearly present.The direction term being previously mentioned in following embodiment, for example, above and below, it is forward and backward, left,
It is right etc., it is only the direction with reference to attached drawing.Therefore, the direction term used be for illustrating, rather than be used to limit the present invention.
Figure 1A is the partial cutaway schematic according to a kind of light source module of one embodiment of the invention.Figure 1B is according to this
A kind of elevational schematic view of light source module of one embodiment of invention.To clearly show that the first site and the second site, Figure 1B
Omit the reflector plate for being shown in Figure 1A.Please refer to Figure 1A and Figure 1B, the light source module 100 of the present embodiment include light guide plate 110 and
Light source 120.Light guide plate 110 includes incidence surface S1, light-emitting surface S2 and bottom surface S3.Light-emitting surface S2 perpendicular to incidence surface S1 and with enter
Smooth surface S1 connection.Bottom surface S3 is connect relative to light-emitting surface S2 and with incidence surface S1.The configuration of light source 120 is in the side incidence surface S1 and is used for
Towards incidence surface S1 outgoing beam.
In the present embodiment, light source 120 includes a plurality of light-emitting elements 122.Light-emitting component 122 is along the extension side of incidence surface S1
To arrangement.Also, each light-emitting component 122 is, for example, a light emitting diode (Light Emitting Diode, LED), but unlimited
In this.In another embodiment, these light-emitting components 122 can also be replaced by a fluorescent tube, and the extending direction of fluorescent tube be parallel into
The extending direction of smooth surface S1.
As shown in Figure 1A, multiple first sites 112 and multiple second sites 114 are formed on the S3 of bottom surface, and (Figure 1A only shows
Meaning property shows second site 114).First site 112 and the second site 114 are for example outwardly protruded by bottom surface S3, wherein
The depth of each first site 112 is HF, and the depth of each second site 114 is HS.The depth refers to site (including the first site
112 and second site 114) maximum distance (or maximum height) that is outwardly protruded by bottom surface S3.In addition, each first site 112
Point diameter be RF, the point diameter of each second site 114 is RS.Described diameter refers to radius.When site (including the first site 112 with
And second site 114) when including internal diameter and outer diameter, described diameter refers to the half of outer diameter.
It, can when the point diameter RS of the point diameter RF of the first site 112, the second site 114 meets relational expression 0.5 < (RF/RS) < 1
The point diameter because of the first site 112 and the point excessive negative effect for light distribution of diameter difference of the second site 114 are reduced, thus
Facilitate the uniformity for being lifted out light, and helps to promote the optics taste using the light source module 100 of light guide plate 110.At this
In embodiment, first respectively at the point diameter RF of the first site 112 and 10 μm of the point diameter range for putting diameter RS of the second site 114 when design
The point diameter of the first site 112 and the point diameter of the second site 114 are determined in≤RF≤70 μm and 30 m≤RS≤70 μm μ, are then judged
Whether the ratio of RF/RS falls into 0.5 < (RF/RS) < 1 range, and a diameter is reselected if not in this range；If meeting this
Range then uses selected point diameter.But design method is without being limited thereto.
Light source module 100 can further comprise reflector plate 130, and reflector plate 130 is configured at the first site 112 and the second net
The lower section of point 114, that is to say, that the first site 112 and the second site 114 are configured between bottom surface S3 and reflector plate 130.Instead
Piece 130 is penetrated to be used to for the light beam projected from the first site 112, the second site 114 or bottom surface S3 being reflected back in light guide plate 110, from
And help that these light beams is allowed to project from light-emitting surface S2.In other words, the configuration of reflector plate 130 helps to promote light source module 100
Light utilization efficiency.
With reference to shown in Figure 1A, the depth H F of the first site 112 is greater than the depth H S of the second site 114, can increase bottom surface S3
The distance between reflector plate 130 D1 and the second site 114 and 130 distance D2 of reflector plate, with increase foreign matter X bottom surface S3 with
Movable space between reflector plate 130.Therefore, can reduce large-sized foreign matter X causes bottom surface S3 to scratch because squeezing bottom surface S3
Or the probability of friction, to facilitate the generation of reduction bright spot.
In the present embodiment, the depth H F of the first site 112 is exactly equal to the distance between reflector plate 130 and bottom surface S3
D1, that is to say, that the first site 112 of light guide plate 110 is born against on reflector plate 130.In addition, such as the depth of aforementioned first site 112
The depth H S that HF is greater than the second site 114 is spent, so the space between the second site 114 and reflector plate 130 is the first site 112
The difference of 114 depth H S of depth H F and the second site, and when the depth H S's of the depth H F and the second site 114 of the first site 112
Difference meets: 1 μ m≤(when)≤15 μm HF-HS, wherein 2 m≤HS≤10 μm μ, light guide plate 110 can reduce bottom surface S3 and be scraped by foreign matter X
Wound or the probability of friction and reduce the generation of bright spot, and can realize the requirement of light guide plate slimming.In this present embodiment, light guide plate
110 be the requirement for meeting slimming, and the thickness H of light guide plate 110 is less than 0.7mm, and the depth H F and the second net of the first site 112
The difference of the depth H S of point 114 is 6~10 μm, but not limited to this.
Refering to what is shown in Fig. 2, in the present embodiment, the arrangement mode of the first site 112 is arranged with (M × N) array manner,
When the length of bottom surface S3 is L and width is W, the intersection point of every distance N is the first site on every distance M and width W on length L
112 position, and distance M, N meets 0.1mm≤M≤L/3,0.1mm≤N≤W/3 respectively, when distance M or N are less than 0.1mm,
The quantity of first site 112 is more and supportive is good but manufacturing is poor；When distance M or N are respectively greater than L/3 and W/3, the first site
112 quantity is few but supportive is poor.It in one embodiment, is, for example, every 10mm*10mm (i.e. M on the bottom surface S3 of light guide plate 110
All be 10mm with N) in the range of configure first site 112, but not limited to this.With the size or design of light guide plate 110
The difference of demand, M, N can also be changed correspondingly.
Second site 114 is distributed in the region other than the first site 112, wherein the quantity of the second site 114 is more than first
The quantity of site 112, and it is in random-number distribution that the second site 114, which is, for example,.In addition, as shown in Figure 1B, the first site 112 and the
Overall two site 114 is also in random-number distribution, that is to say, that without apparent arrangement between the first site 112 and the second site 114
Rule, therefore can avoid the presence that user discovers two kinds of different sites, so that it is guaranteed that the area source being emitted from light source module 100
Uniformity.In the present embodiment, the second site 114 by incidence surface S1 to the density far from incidence surface S1 for example in gradually increasing
Add, to be further lifted out the uniformity of light, but not limited to this.
The production method of above-mentioned light guide plate 110 is for example including ejection formation (injection molding).In detail, it leads
The making step of tabula rasa 110 include: in sequentially produced on mode first figure complementary with 112 shape of the first site and with
The second graph of second site, 114 shape complementation.Then light guide plate 110, the and (packet of light guide plate 110, then by ejection formation are formed
Include the first site 112 and the second site 114) it is integrally formed.In addition, the method for above-mentioned the first figure of formation for example including
Etch process, and the method for second graph is formed for example including laser engraving processing procedure.In the present embodiment, second graph is corresponded to
Second site 114 has the unique texture formed by laser engraving processing procedure.Specifically, the second site 114 is in addition to having protrusion
Except the protrusion part P of bottom surface S3, also there is the depressed section T for being recessed in bottom surface S3 and circle segment P.However, light guide plate
110 production method, the method for forming the first figure and the method for forming second graph etc. are not limited to above-mentioned.For example,
In another embodiment, the method for forming the first figure can be changed to laser engraving processing procedure by etch process.In this way, first
Site 112 can also have similar structure.
In addition, light source module 100 can also further comprise other unshowned elements according to different design requirements.It lifts
For example, light source module 100 can further configure an at least diffusion sheet on light-emitting surface S2, to be promoted to go out from light source module 100
The uniformity for the area source penetrated.Alternatively, light source module 100 can also further configure an at least prismatic lens on light-emitting surface S2, with
Promote the brightness for the area source being emitted from light source module 100.
In conclusion the embodiment of the present invention can realize at least one of following advantages or effect.The above-mentioned implementation of the present invention
The light guide plate of example passes through the point diameter ratio of modulation difference site, to reduce influence of the different sites for light distribution.Therefore, it applies
The light source module of above-mentioned light guide plate can have good optics to sample.In addition, the depth of the first site is greater than the depth of the second site
Degree, to increase at a distance from the distance between bottom surface and reflector plate and the second site and reflector plate, and then increase foreign matter in bottom surface and
Movable space between reflector plate and between the second site and reflector plate.Therefore, large-sized foreign matter can be reduced because squeezing bottom surface
And the probability for causing bottom surface to scratch or rub, to facilitate the generation of reduction bright spot.
The foregoing is only a preferred embodiment of the present invention, cannot be limited the scope of implementation of the present invention with this, i.e. institute
Have according to simple equivalence changes made by claims of the present invention and description and modification, all still falls within the invention patent
The range of covering.In addition, any embodiment or claim of the invention be not required to realize disclosed herein whole purposes or
Advantage or feature.It is used, is not intended to limit the invention in addition, abstract and denomination of invention are intended merely to auxiliary patent document retrieval
Interest field.In addition, " first " that refers in this specification or claims, " second " etc. are only to name element
(element) title or the different embodiments of difference or range, and not it is used to the quantitative upper limit of restriction element or lower limit.
Symbol description
100: light source module
110: light guide plate
112: the first sites
114: the second sites
120: light source
122: light-emitting component
130: reflector plate
D1, D2, M, N: distance
H: thickness
HF, HS: depth
L: length
P: protrusion part
T: depressed section
RF: the first site point diameter
RS: the second site point diameter
S1: incidence surface
S2: light-emitting surface
S3: bottom surface
W: width
X: foreign matter
Claims (13)
1. a kind of light guide plate, including an incidence surface, a light-emitting surface and a bottom surface,
The light-emitting surface is connect perpendicular to the incidence surface and with the incidence surface；
The bottom surface is connect relative to the light-emitting surface and with the incidence surface, be formed on the bottom surface multiple first sites with
And multiple second sites, wherein the depth of each first site is HF, the depth of each second site is HS, and 1 μm <
(HF-HS) < 15 μm, and the point diameter of each first site is RF, and the point diameter of each second site is RS, and 0.5≤
(RF/RS)≦1。
2. light guide plate as described in claim 1, which is characterized in that the thickness of the light guide plate is less than 0.7mm, and 2 μ m≤HS
≦10μm。
3. light guide plate as described in claim 1, which is characterized in that the depth H F of each first site and each second net
The depth H S of point meets 6 μ m≤()≤10 μm HF-HS.
4. light guide plate as described in claim 1, which is characterized in that the length of the bottom surface is L, and the width of the bottom surface is W,
The intersection point of every distance N is the position of the first site on every distance M and width W on length L, and the multiple first site is in battle array
Column arrangement, 0.1mm≤M≤L/3, and 0.1mm≤N≤W/3.
5. light guide plate as described in claim 1, which is characterized in that 10 m≤RF≤70 μm μ, and 30 m≤RS≤70 μm μ.
6. light guide plate as described in claim 1, which is characterized in that the multiple second site is in random-number distribution.
7. a kind of light source module, including a light guide plate and a light source,
The light guide plate includes an incidence surface, a light-emitting surface and a bottom surface,
The light-emitting surface is connect perpendicular to the incidence surface and with the incidence surface；
The bottom surface is connect relative to the light-emitting surface and with the incidence surface, be formed on the bottom surface multiple first sites with
And multiple second sites, wherein the depth of each first site is HF, the depth of each second site is HS, and 1 μm <
(HF-HS) < 15 μm, and the point diameter of each first site is RF, and the point diameter of each second site is RS, and 0.5 < (RF/
RS)<1；
The light source configuration is in the incidence surface side.
8. light source module as claimed in claim 7, which is characterized in that the thickness of the light guide plate is less than 0.7mm, and 2 μ m≤
HS≦10μm。
9. light source module as claimed in claim 7, which is characterized in that the depth H F of each first site and each described second
The depth H S of site meets 6 μ m≤()≤10 μm HF-HS.
10. light source module as claimed in claim 7, which is characterized in that the length of the bottom surface is L, the width of the bottom surface
For W, the intersection point of every distance N is the position of the first site, the multiple first site on every distance M and width W on length L
It is arranged in (M × N) array, 0.1mm≤M≤L/3, and 0.1mm≤N≤W/3.
11. light source module as claimed in claim 7, which is characterized in that 10 m≤RF≤70 μm μ, and 30 m≤RS≤70 μm μ.
12. light source module as claimed in claim 7, which is characterized in that the multiple second site is in random-number distribution.
13. light source module as claimed in claim 7, which is characterized in that further include:
One reflector plate, wherein the multiple first site and the multiple second site are configured at the bottom surface and the reflection
Between piece.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410833722.5A CN105807360B (en) | 2014-12-29 | 2014-12-29 | Light guide plate and light source module |
| TW104109212A TWI550312B (en) | 2014-12-29 | 2015-03-23 | Light guide plate and light source module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410833722.5A CN105807360B (en) | 2014-12-29 | 2014-12-29 | Light guide plate and light source module |
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| CN105807360A CN105807360A (en) | 2016-07-27 |
| CN105807360B true CN105807360B (en) | 2019-02-26 |
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| CN201410833722.5A Active CN105807360B (en) | 2014-12-29 | 2014-12-29 | Light guide plate and light source module |
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| TW (1) | TWI550312B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106019463A (en) * | 2016-07-28 | 2016-10-12 | 广州创维平面显示科技有限公司 | Composite net dot light guide plate and manufacturing method thereof, backlight module and liquid crystal displayer |
| CN107831565A (en) * | 2017-12-18 | 2018-03-23 | 青岛海信电器股份有限公司 | The applying method of light guide plate and reflector plate, backlight module and display device |
| CN110320587B (en) | 2018-03-30 | 2021-02-26 | 光宝电子(广州)有限公司 | Light guide plate and light source module |
| CN114545539A (en) * | 2020-11-11 | 2022-05-27 | 梅姆斯莱克斯 | Light emitting member, method of manufacturing the same, and lighting unit including the same |
| TWI783349B (en) * | 2021-01-19 | 2022-11-11 | 光耀科技股份有限公司 | Light guide film and backlight module |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2183336C2 (en) * | 2000-07-21 | 2002-06-10 | Молохина Лариса Аркадьевна | Flexible light-returning material |
| CN1902511A (en) * | 2003-12-31 | 2007-01-24 | 3M创新有限公司 | Scratch-resistant light directing films |
| CN1985193A (en) * | 2004-07-12 | 2007-06-20 | 大日本印刷株式会社 | Diffusion sheet, surface light source device and transmission display unit |
| CN101017217A (en) * | 2006-02-10 | 2007-08-15 | 精工爱普生株式会社 | Light guide plate, mold for forming light guide plate, and method for manufacturing a mold for forming light guide plate |
| CN101382254A (en) * | 2008-10-29 | 2009-03-11 | 友达光电股份有限公司 | Light plate and backlight module based on the light plate |
| CN201589202U (en) * | 2010-01-05 | 2010-09-22 | 台湾奈普光电科技股份有限公司 | Structure improvement of light guide plate |
| CN201903665U (en) * | 2010-11-01 | 2011-07-20 | 扬昕精密股份有限公司 | Light guide plate and backlight module |
| CN103149625A (en) * | 2013-03-13 | 2013-06-12 | 青岛海信电器股份有限公司 | Light guide board, LED (Light-Emitting Diode) backlight module and electronic equipment |
| CN203365718U (en) * | 2013-07-03 | 2013-12-25 | 信利半导体有限公司 | A light guiding plate and a backlight source |
| CN103901524A (en) * | 2012-12-27 | 2014-07-02 | 鸿富锦精密工业（深圳）有限公司 | Light guide plate and manufacturing method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4878335B2 (en) * | 2007-06-14 | 2012-02-15 | シチズン電子株式会社 | Light guide plate manufacturing method, light guide plate, backlight unit, and display device |
| TWM381088U (en) * | 2009-12-31 | 2010-05-21 | Taiwan Nano Electro Opt Tech | Improved structure of light guiding plate |
| TWM400593U (en) * | 2010-10-28 | 2011-03-21 | Nano Prec Corp | Light guide plate and backlight module |
| CN103162177B (en) * | 2011-12-16 | 2015-07-15 | 奇美实业股份有限公司 | Side light type backlight module and light guide plate |
-
2014
- 2014-12-29 CN CN201410833722.5A patent/CN105807360B/en active Active
-
2015
- 2015-03-23 TW TW104109212A patent/TWI550312B/en active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2183336C2 (en) * | 2000-07-21 | 2002-06-10 | Молохина Лариса Аркадьевна | Flexible light-returning material |
| CN1902511A (en) * | 2003-12-31 | 2007-01-24 | 3M创新有限公司 | Scratch-resistant light directing films |
| CN1985193A (en) * | 2004-07-12 | 2007-06-20 | 大日本印刷株式会社 | Diffusion sheet, surface light source device and transmission display unit |
| CN101017217A (en) * | 2006-02-10 | 2007-08-15 | 精工爱普生株式会社 | Light guide plate, mold for forming light guide plate, and method for manufacturing a mold for forming light guide plate |
| CN101382254A (en) * | 2008-10-29 | 2009-03-11 | 友达光电股份有限公司 | Light plate and backlight module based on the light plate |
| CN201589202U (en) * | 2010-01-05 | 2010-09-22 | 台湾奈普光电科技股份有限公司 | Structure improvement of light guide plate |
| CN201903665U (en) * | 2010-11-01 | 2011-07-20 | 扬昕精密股份有限公司 | Light guide plate and backlight module |
| CN103901524A (en) * | 2012-12-27 | 2014-07-02 | 鸿富锦精密工业（深圳）有限公司 | Light guide plate and manufacturing method thereof |
| CN103149625A (en) * | 2013-03-13 | 2013-06-12 | 青岛海信电器股份有限公司 | Light guide board, LED (Light-Emitting Diode) backlight module and electronic equipment |
| CN203365718U (en) * | 2013-07-03 | 2013-12-25 | 信利半导体有限公司 | A light guiding plate and a backlight source |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI550312B (en) | 2016-09-21 |
| CN105807360A (en) | 2016-07-27 |
| TW201624028A (en) | 2016-07-01 |
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