CN101393300B - LCD and light guiding plate thereof - Google Patents
LCD and light guiding plate thereof Download PDFInfo
- Publication number
- CN101393300B CN101393300B CN2008101733536A CN200810173353A CN101393300B CN 101393300 B CN101393300 B CN 101393300B CN 2008101733536 A CN2008101733536 A CN 2008101733536A CN 200810173353 A CN200810173353 A CN 200810173353A CN 101393300 B CN101393300 B CN 101393300B
- Authority
- CN
- China
- Prior art keywords
- light conductor
- reflecting surface
- angle
- guide plate
- scope
- 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.)
- Active
Links
Images
Abstract
The invention relates to a liquid crystal display and a light guide plate for the liquid crystal display. The light guide plate comprises an incident surface, a reflecting surface, a main light conductor and an auxiliary light conductor, wherein the reflecting surface is connected to the incident surface; the main light conductor is arranged on the reflecting surface, and is provided with a first inclined surface and a second inclined surface; the auxiliary light conductor is arranged on the reflecting surface, and is provided with a third inclined surface and a fourth inclined surface; a space is reserved between the auxiliary light conductor and the main light conductor, and the range of the space is between 0.2 and 0.5 micrometer; and the bottom width of the auxiliary light conductor on the reflecting surface is smaller than that of the main light conductor on the reflecting surface. The liquid crystal display comprises the light guide plate, a light source which is arranged corresponding to the incident surface, and a liquid crystal panel which is arranged corresponding to the light guide plate. Emergent light of the light guide plate can be concentrated in the positive visual angle direction of the display panel, thereby improving the light utilization efficiency of the light guide plate; and the number of optical masks required by a backlight module can be reduced as well, so as to save the cost.
Description
Technical field
The present invention relates to a kind of light guide plate, have the light guide plate of leaded light microstructure design in particularly a kind of LCD.
Background technology
In LCD, the employed light guide plate of prior art is to utilize screen printing, laser to layout or mode such as etching is made mostly, and, change the light that penetrates via light guide plate, and then adjust the homogeneity of outgoing light-source brightness by designing the density of structure in the light guide plate.
Yet, can meet the design of LCD for the shooting angle that makes the outgoing light source, and consider the viewing angle characteristic of outgoing light source, generally all need dispose three to four layers blooming piece again, it comprises light diffusing sheet and brightness enhancement film or the like, so just can make LCD when operation, reach required brightness specifications, but can expend higher material cost and assembly cost.
Summary of the invention
A purpose of the present invention is to provide a kind of light guide plate, can make the emergent ray by light guide plate can concentrate on specific direction, promotes the brightness of emergent light thus.
Another object of the present invention is to provide a kind of LCD, except that the display brightness that can improve display, and can save wherein required material cost that expends of blooming piece and assembly cost simultaneously.
A form of implementation of the present invention comprises a plane of incidence, a reflecting surface, a plurality of light conductor group about a kind of light guide plate, and each described light conductor group includes a main light conductor and an auxiliary light conductor.Reflecting surface is connected in the plane of incidence.Main light conductor is disposed on the reflecting surface, and has one first inclined surface and one second inclined surface.Auxiliary light conductor is disposed on the reflecting surface, and has one the 3rd inclined surface and one the 4th inclined surface, and and main light conductor between have a spacing.Wherein, the scope of spacing between 0.2 micron (m) and 0.5 micron (m), auxiliary light conductor at the bottom width on the reflecting surface less than the main bottom width of light conductor on reflecting surface.
Another form of implementation of the present invention comprises a plane of incidence, a reflecting surface, a plurality of light conductor group about a kind of light guide plate, and each described light conductor group includes a main light conductor and an auxiliary light conductor.Reflecting surface is connected in the plane of incidence.Accompany one first angle and one second angle between main light conductor and the reflecting surface.Auxiliary light conductor is adjacent to main light conductor, and and reflecting surface between accompany one the 3rd angle and one the 4th angle.Wherein, should assist between light conductor and this main light conductor and have a spacing, and should auxiliary light conductor with the scope of the difference in height of this main light conductor between 1.5 microns (m) and 5 microns (m), and auxiliary light conductor at the bottom width on the reflecting surface less than the main bottom width of light conductor on reflecting surface.
Another form of implementation of the present invention comprises a light guide plate, a light source, a blooming piece and a liquid crystal panel about a kind of LCD.Light guide plate comprises a plane of incidence, a reflecting surface and a plurality of light conductor group, and wherein reflecting surface is connected in the plane of incidence, and the light conductor assembly places on the reflecting surface.Light source disposes corresponding to the plane of incidence, and liquid crystal panel then is to dispose corresponding to light guide plate.Wherein, spacing distance in the above-mentioned light conductor group between the two light conductor groups is between 50 microns (m) and 500 microns (m), each light conductor group all comprises a main light conductor and an a plurality of auxiliary light conductor, and each auxiliary light conductor at the bottom width on the reflecting surface all less than the main bottom width of light conductor on reflecting surface, wherein have one first spacing between this main light conductor and the adjacent one auxiliary light conductor, the scope of this first spacing is between 0.2 micron and 0.5 micron.
According to technology contents of the present invention, application of aforementioned LCD and light guide plate thereof can make the emergent ray of light guide plate more concentrated, promote the light utilization ratio of light guide plate, and improve the display brightness of LCD.
Accompanying drawing
Bright A is the combination synoptic diagram of an embodiment of LCD of the present invention.
Figure 1B is the side view of another side among the embodiment shown in Figure 1A.
Fig. 2 is the synoptic diagram of first embodiment of light conductor group of the present invention.
Fig. 3 is the synoptic diagram of second embodiment of light conductor group of the present invention.
Fig. 4 is the synoptic diagram of the 3rd embodiment of light conductor group of the present invention.
Fig. 5 is the synoptic diagram of the 4th embodiment of light conductor group of the present invention.
Fig. 6 is the combination synoptic diagram of another embodiment of LCD of the present invention.
Fig. 7 is the opticpath synoptic diagram of LCD of the present invention.
Wherein, description of reference numerals is as follows:
100,600: LCD
110,610,710: light guide plate
112,612: the plane of incidence
114,614,714:V shape structure
116,616: reflecting surface
120,620,720: light source
130,630: liquid crystal panel
150,650: the light conductor group
152,152a, 152b, 152c, 152d, 652,752: main light conductor
154,154a, 154b, 154c, 154d, 654,754: auxiliary light conductor
Embodiment
See also Figure 1A and Figure 1B, Figure 1A is the combination synoptic diagram of an embodiment of LCD of the present invention, and Figure 1B is the side view of another side among the embodiment shown in Figure 1A.LCD 100 comprises a light guide plate 110, a light source 120 and a liquid crystal panel 130.Light guide plate 110 comprises the plane of incidence 112, v-shaped structure 114, reflecting surface 116 and a plurality of light conductor group 150.Wherein, v-shaped structure 114 is for having the light guide structure of vee-cut, and so the bearing of trend of its vee-cut is vertical with the bearing of trend of light conductor group 150, thus in Figure 1A, can't observe the V-shaped section shape of v-shaped structure 114, and only can show its rectangle sides shape.
Shown in Figure 1A, v-shaped structure 114 and reflecting surface 116 all are connected in the plane of incidence 112, and reflecting surface 116 corresponds to v-shaped structure 114 setting, and above-mentioned light conductor group 150 then is to be disposed on the reflecting surface 116.In a preferred embodiment, have a spacing distance between the adjacent two light conductor groups, and this spacer from scope can be between 50 microns (μ m) and 500 microns (μ m).In addition, light source 120 is corresponding to the plane of incidence 112 configurations, liquid crystal panel 130 then is corresponding to v-shaped structure 114 configurations, light source 120 is incident in the light guide plate 110 via the plane of incidence 112, and through reflecting surface 116 and on the reflection of light conductor group 150 after, penetrate by v-shaped structure 114 again and be sent to liquid crystal panel 130.Therefore, with respect to reflecting surface 116, v-shaped structure 114 regards to the one side of liquid crystal panel 130, as the exit facet of light guide plate 110.
In addition, above-mentioned each light conductor group 150 all can comprise a main light conductor 152 and an auxiliary light conductor 154.Auxiliary light conductor 154 at the bottom width on the reflecting surface 116 less than the main bottom width of light conductor 152 on reflecting surface 116, and have a specific distance between auxiliary light conductor 154 and the main light conductor 152, this specific distance is approximately between 0.2 micron (μ m) and 0.5 micron (μ m).In addition, the height of main light conductor 152 is different with the height of auxiliary light conductor 154, has a difference in height between the two.In one embodiment, the height of the auxiliary light conductor 154 of the height of main light conductor 152 is higher; And in another embodiment, then mainly the height of light conductor 152 is higher for the height of auxiliary light conductor 154, and its design requirement according to product is decided, and the present invention is not as limit.
Shown in Figure 1B, v-shaped structure 114 is the light guide structure with vee-cut, and its bearing of trend is vertical with the bearing of trend of light conductor group 150.For Figure 1A, Figure 1B then only can show the rectangle sides shape of light conductor group 150, and can't observe the V-shaped section shape of light conductor group 150.In addition, because the height of main light conductor 152 is different with the height of auxiliary light conductor 154, have a difference in height between the two, so the rectangle sides shape of light conductor group 150 can have the situation of different tops crest line.
Fig. 2 is the synoptic diagram of first embodiment of light conductor group of the present invention.The light conductor group comprises main light conductor 152a and auxiliary light conductor 154a, and it is the projective structure that protrudes from reflecting surface 116, and has spacing d between the two, and the scope of spacing d can be between 0.2 micron (μ m) and 0.5 micron (μ m).Main light conductor 152a has two inclined surfaces that protrude from reflecting surface 116, forms angle theta 1 and θ 2 with reflecting surface 116 respectively; And auxiliary light conductor 154a also has two inclined surfaces that protrude from reflecting surface 116, forms angle theta 3 and θ 4 with reflecting surface 116 respectively.As seen from the figure, main light conductor 152a and auxiliary light conductor 154a form the inclined surface of angle theta 1, θ 2, θ 3 and θ 4 respectively with reflecting surface.The auxiliary light conductor 154a of main light conductor 152a is more near light source, and the order of each angle is also decided apart from the far and near distance of the plane of incidence according to corresponding inclined surface, promptly in above-mentioned four angles, angle theta 1 is nearest from the plane of incidence, angle theta 2 is taken second place, angle theta 3 is taken second place again, and 4 of angle theta from the plane of incidence farthest.In a preferred embodiment, the scope of angle theta 1 can be between 0.2 ° and 10 °, the scope of angle theta 2 can be between 30 ° and 50 °, and the scope of angle theta 3 can be between 70 ° and 110 °, and the scope of angle theta 4 then can be between 30 ° and 50 °.
In addition, main light conductor 152a comprises a bottom width M on reflecting surface, and auxiliary light conductor 154a has a bottom width A on reflecting surface, and width M is greater than width A.In a preferred embodiment, the scope of width M can be between 40 microns (μ m) and 70 microns (μ m), and the scope of width A then can be between 1 micron (μ m) and 10 microns (μ m).In addition, main light conductor 152a has a height h1, and auxiliary light conductor 154a has a height h2, and the scope of both differences in height can be between 1.5 microns (μ m) and 5 microns (μ m).
Fig. 3 is the synoptic diagram of second embodiment of light conductor group of the present invention.For Fig. 2, main light conductor 152b and auxiliary light conductor 154b are the recessed structure of recessed reflecting surface 116, and have spacing d between the two equally, and its scope can be between 0.2 micron (μ m) and 0.5 micron (μ m).The two recessed inclined surfaces of main light conductor 152b form angle theta 1 and θ 2 with reflecting surface respectively, and the two recessed inclined surfaces of auxiliary light conductor 154b then form angle theta 3 and θ 4 with reflecting surface respectively.As seen from the figure, auxiliary light conductor 154b and main light conductor 152b and reflecting surface form the inclined surface of angle theta 3, θ 4, θ 1 and θ 2.The main light conductor 152b of auxiliary light conductor 154b is more near light source, and the order of each angle is also decided apart from the far and near distance of the plane of incidence according to corresponding inclined surface, promptly in above-mentioned four angles, angle theta 3 is nearest from the plane of incidence, angle theta 4 is taken second place, angle theta 1 is taken second place again, and 2 of angle theta from the plane of incidence farthest.In a preferred embodiment, the scope of angle theta 1 can be between 30 ° and 50 °, the scope of angle theta 2 can be between 70 ° and 110 °, and the scope of angle theta 3 can be between 30 ° and 50 °, and the scope of angle theta 4 then can be between 0.2 ° and 10 °.
In addition, main light conductor 152b at the bottom width M on the reflecting surface equally greater than the auxiliary bottom width A of light conductor 154b on reflecting surface, and the scope of width M can be between 40 microns (μ m) and 70 microns (μ m), and the scope of width A can be between 1 micron (μ m) and 10 microns (μ m).In addition, between the height h1 of main light conductor 152b and the height h2 of auxiliary light conductor 154b, can have a difference in height equally, the scope of its difference in height is between 1.5 microns (μ m) and 5 microns (μ m).
Fig. 4 is the synoptic diagram of the 3rd embodiment of light conductor group of the present invention.For Fig. 2, main light conductor 152c is for protruding the projective structure of reflecting surface 116, auxiliary light conductor 154c then is for the recessed structure of recessed reflecting surface 116, wherein has spacing d between the two equally, and its scope can be between 0.2 micron (μ m) and 0.5 micron (μ m).Two of main light conductor 152c protrudes inclined surface and forms angle theta 1 and θ 2 with reflecting surface respectively, and the two recessed inclined surfaces of auxiliary light conductor 154c then form angle theta 3 and θ 4 with reflecting surface respectively.As seen from the figure, main light conductor 152c and auxiliary light conductor 154c and reflecting surface form the inclined surface of angle theta 1, θ 2, θ 3 and θ 4.The auxiliary light conductor 154c of main light conductor 152c is more near light source, and the order of each angle is also decided apart from the far and near distance of the plane of incidence according to corresponding inclined surface, promptly in above-mentioned four angles, angle theta 1 is nearest from the plane of incidence, angle theta 2 is taken second place, angle theta 3 is taken second place again, and 4 of angle theta from the plane of incidence farthest.
In addition, main light conductor 152c at the bottom width M on the reflecting surface equally greater than the auxiliary bottom width A of light conductor 154c on reflecting surface, and the scope of width M can be between 40 microns (μ m) and 70 microns (μ m), and the scope of width A can be between 1 micron (μ m) and 10 microns (μ m).In addition, between the height h1 of main light conductor 152c and the height h2 of auxiliary light conductor 154c, can have a difference in height equally, the scope of its difference in height is between 1.5 microns (μ m) and 5 microns (μ m).In the present embodiment, because main light conductor 152c is a projective structure, auxiliary light conductor 154c is recessed structure, so difference in height is defined as the absolute value of the difference between height h1 and the height h2 especially, and height h1 is all positive number with height h2.
Fig. 5 is the synoptic diagram of the 4th embodiment of light conductor group of the present invention.For Fig. 4, main light conductor 152d is the recessed structure of recessed reflecting surface, auxiliary light conductor 154d then is for the projective structure of protrusion reflecting surface, wherein has spacing d between the two equally, and its scope is approximately between 0.2 micron (μ m) and 0.5 micron (μ m).The two recessed inclined surfaces of main light conductor 152d form angle theta 1 and θ 2 with reflecting surface respectively, and two of auxiliary light conductor 154d protrudes inclined surface and then forms angle theta 3 and θ 4 with reflecting surface respectively.As seen from the figure, auxiliary light conductor 154d and main light conductor 152d and reflecting surface form the inclined surface of angle theta 3, θ 4, θ 1 and θ 2.The main light conductor 152d of auxiliary light conductor 154d is more near light source, and the order of each angle is also decided apart from the far and near distance of the plane of incidence according to corresponding inclined surface, promptly in above-mentioned four angles, angle theta 3 is nearest from the plane of incidence, angle theta 4 is taken second place, angle theta 1 is taken second place again, and 2 of angle theta from the plane of incidence farthest.
In addition, main light conductor 152d at the bottom width M on the reflecting surface equally greater than the auxiliary bottom width A of light conductor 154d on reflecting surface, and the scope of width M can be between 40 microns (μ m) and 70 microns (μ m), and the scope of width A can be between 1 micron (μ m) and 10 microns (μ m).In addition, between the height h1 of main light conductor 152d and the height h2 of auxiliary light conductor 154d, can have a difference in height equally, the scope of its difference in height is between 1.5 microns (μ m) and 5 microns (μ m).In the present embodiment, because main light conductor 152d is recessed structure, auxiliary light conductor 154d then is a projective structure, so difference in height is defined as the absolute value of the difference between height h1 and the height h2 especially, and height h1 is all positive number with height h2.
Fig. 6 is the synoptic diagram of another embodiment of LCD of the present invention.LCD 600 comprises light guide plate 610, light source 620, blooming piece (not shown) and liquid crystal panel 630 equally, the wherein configuration of the plane of incidence 612 of light guide plate 610, v-shaped structure 614, reflecting surface 616 and a plurality of light conductor groups 650, homogeneous phase is similar to the embodiment shown in Figure 1A, and have a spacing distance between the two light conductor groups in the above-mentioned light conductor group, this spacer is from can be between 50 microns (μ m) and 500 microns (μ m).For Figure 1A, each light conductor group 650 all can comprise a main light conductor 652 and an a plurality of auxiliary light conductor 654, wherein each auxiliary light conductor 654 at the bottom width on the reflecting surface 616 all less than the main bottom width of light conductor 652 on reflecting surface 616.In a preferred embodiment, the scope of the bottom width of main light conductor 652 can be between 40 microns (μ m) and 70 microns (μ m), and the scope of the bottom width of auxiliary light conductor 654 then can be between 1 micron (μ m) and 10 microns (μ m).In addition, has a spacing between the auxiliary light conductor 654 that main light conductor 652 is adjacent, it can be between 0.2 micron (μ m) and 0.5 micron (μ m), and also having a spacing between the two adjacent auxiliary light conductors 654, it also can be between 0.2 micron (μ m) and 0.5 micron (μ m).
In addition, the height of main light conductor 652 is different with the height of auxiliary light conductor 654, has a difference in height between the two, and main light conductor 652 and auxiliary light conductor 654 can be designed to protrude the projective structure of reflecting surface 616 respectively, or the recessed structure of recessed reflecting surface 616, and the height of main light conductor 652 can be according to the demand of actual design, and the height that is designed to auxiliary light conductor 654 is higher or lower.In a preferred embodiment, the scope of both differences in height is between 1.5 microns (μ m) and 5 microns (μ m).
In addition, the formed angle of light conductor in the foregoing description, height or even number, all can be incident to distance in the light guide plate different and change along with light source.
Fig. 7 is the opticpath synoptic diagram of LCD of the present invention.At this is that more to be projective structure near configured light sources and both with the auxiliary light conductor of main light conductor be that example explains.As shown in the figure, after light source 720 was incident to light guide plate 710, part light source 720 can penetrate via v-shaped structure 714 according to the reflection of main light conductor 752, but still the light source 720 that has a part is spilt by main light conductor 752.At this moment, the light source 720 that spills can be incident to auxiliary light conductor 754 again, and penetrates via v-shaped structure 714 via the reflection of auxiliary light conductor 754 once more.That is, mainly point to bright dipping and comprised the light that reflects via main light conductor 752, and via the light of assisting light conductor 754 reflections.Thus, just the situation that light source 720 spills can be reduced, and the utilization ratio of light source 720 can be promoted significantly.
By the embodiment of the invention described above as can be known, application of aforementioned LCD and light guide plate thereof can make the emergent ray of light guide plate concentrate on the positive view directions of display panel, reduce the situation of light leak thus, improve the light utilization ratio of light guide plate, to strengthen the display brightness of display.Moreover, along with the raising of light utilization ratio, blooming piece (as: brightness enhancement film etc.) required in the backlight module also can reduce thereupon, and then saves the cost of blooming piece and the assembly cost of backlight module significantly.
Though the present invention discloses as above with embodiment; yet it is not in order to limit the present invention; the technician of any the technical field of the invention; without departing from the spirit and scope of the present invention; when can doing various changes and modification, so protection scope of the present invention is as the criterion when looking the protection domain that appending claims limits.
Claims (15)
1. light guide plate comprises:
One plane of incidence;
One reflecting surface is connected in this plane of incidence; And
A plurality of light conductor groups, each described light conductor group include a main light conductor and an auxiliary light conductor, and this main light conductor is disposed on this reflecting surface, and has one first inclined surface and one second inclined surface; And one should auxiliary light conductor, is disposed on this reflecting surface, and has one the 3rd inclined surface and one the 4th inclined surface, has a spacing between this auxiliary light conductor and this main light conductor;
Wherein, the scope of this spacing between 0.2 micron and 0.5 micron, this auxiliary light conductor the bottom width on this reflecting surface less than this bottom width of main light conductor on this reflecting surface.
2. light guide plate comprises:
One plane of incidence;
One reflecting surface is connected in this plane of incidence; And
A plurality of light conductor groups, each described light conductor group include a main light conductor and an auxiliary light conductor, this main light conductor, and accompany one first angle and one second angle between this reflecting surface; And this auxiliary light conductor, be adjacent to this main light conductor, and and this reflecting surface between accompany one the 3rd angle and one the 4th angle;
Wherein, should assist between light conductor and this main light conductor and have a spacing, and should auxiliary light conductor with the scope of the difference in height of this main light conductor between 1.5 microns and 5 microns, and this auxiliary light conductor the bottom width on this reflecting surface less than this bottom width of main light conductor on this reflecting surface.
3. light guide plate as claimed in claim 2, wherein should auxiliary light conductor in the scope of the bottom width on this reflecting surface between 1 micron and 10 microns, this main light conductor in the scope of the bottom width on this reflecting surface between 40 microns and 70 microns.
4. light guide plate as claimed in claim 2, wherein this main light conductor be the projective structure that protrudes this reflecting surface with assisting light conductor, and this first angle, this second angle, the 3rd angle and the 4th angle are in regular turn away from this plane of incidence.
5. light guide plate as claimed in claim 4, wherein the scope of this first angle is between 0.2 ° and 10 °, and the scope of this second angle is between 30 ° and 50 °.
6. light guide plate as claimed in claim 4, wherein the scope of the 3rd angle is between 70 ° and 110 °, and the scope of the 4th angle is between 30 ° and 50 °.
7. light guide plate as claimed in claim 2, wherein this main light conductor and this auxiliary light conductor be the recessed structure of recessed this reflecting surface, and the 3rd angle, the 4th angle, this first angle and this second angle are in regular turn away from this plane of incidence.
8. light guide plate as claimed in claim 7, wherein the scope of this first angle is between 30 ° and 50 °, and the scope of this second angle is between 70 ° and 110 °.
9. light guide plate as claimed in claim 7, wherein the scope of the 3rd angle is between 30 ° and 50 °, and the scope of the 4th angle is between 0.2 ° and 10 °.
10. LCD comprises:
One light guide plate comprises a plane of incidence, a reflecting surface and a plurality of light conductor group, and wherein this reflecting surface is connected in this plane of incidence, and described light conductor assembly places on this reflecting surface;
One light source is corresponding to this plane of incidence configuration; And
One liquid crystal panel is corresponding to this light guide plate configuration;
Wherein, spacing distance in the described light conductor group between the two light conductor groups is between 50 microns and 500 microns, each described light conductor group all comprises a main light conductor and an a plurality of auxiliary light conductor, and each described auxiliary light conductor is the bottom width of main light conductor on this reflecting surface less than this all at the bottom width on this reflecting surface, wherein have one first spacing between this main light conductor and the adjacent one auxiliary light conductor, the scope of this first spacing is between 0.2 micron and 0.5 micron.
11. LCD as claimed in claim 10 has one second spacing between the two adjacent auxiliary light conductors in the wherein said auxiliary light conductor, the scope of this second spacing is between 0.2 micron and 0.5 micron.
12. LCD as claimed in claim 10, wherein this main light conductor is projective structure that protrudes this reflecting surface or the recessed structure that is recessed into this reflecting surface.
13. LCD as claimed in claim 10 wherein should be projective structure that protrudes this reflecting surface or the recessed structure that is recessed into this reflecting surface by auxiliary light conductor.
14. LCD as claimed in claim 10, wherein each described auxiliary light conductor in the scope of the bottom width on this reflecting surface between 1 micron and 10 microns.
15. LCD as claimed in claim 10, wherein this main light conductor in the scope of the bottom width on this reflecting surface between 40 microns and 70 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101733536A CN101393300B (en) | 2008-11-13 | 2008-11-13 | LCD and light guiding plate thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101733536A CN101393300B (en) | 2008-11-13 | 2008-11-13 | LCD and light guiding plate thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101393300A CN101393300A (en) | 2009-03-25 |
| CN101393300B true CN101393300B (en) | 2010-04-21 |
Family
ID=40493665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101733536A Active CN101393300B (en) | 2008-11-13 | 2008-11-13 | LCD and light guiding plate thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101393300B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140046525A (en) * | 2012-10-04 | 2014-04-21 | 삼성디스플레이 주식회사 | Backlight unit and display device having the same |
| US9778407B2 (en) * | 2014-04-16 | 2017-10-03 | 3M Innovative Properties Company | Light guide |
| US20180149793A1 (en) * | 2015-05-18 | 2018-05-31 | Corning Incorporated | Glass articles comprising light extraction features and methods for making the same |
| KR102585534B1 (en) * | 2016-12-20 | 2023-10-05 | 엘지디스플레이 주식회사 | Liquid crystal display device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837927A (en) * | 2006-04-19 | 2006-09-27 | 友达光电股份有限公司 | Light guide plate and back light unit employing the same |
| CN1918428A (en) * | 2004-02-20 | 2007-02-21 | 欧姆龙株式会社 | Surface light source device |
-
2008
- 2008-11-13 CN CN2008101733536A patent/CN101393300B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1918428A (en) * | 2004-02-20 | 2007-02-21 | 欧姆龙株式会社 | Surface light source device |
| CN1837927A (en) * | 2006-04-19 | 2006-09-27 | 友达光电股份有限公司 | Light guide plate and back light unit employing the same |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2006-66128A 2006.03.09 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101393300A (en) | 2009-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9217815B2 (en) | Double-vision backlight module and liquid crystal display device | |
| CN102518988B (en) | Backlight module | |
| US10338432B2 (en) | Display device | |
| CN103197445A (en) | Liquid crystal display and electronic device | |
| CN106226951B (en) | Side-in backlight module and display device | |
| US20180157115A1 (en) | Edge-lit backlight device and liquid crystal display device | |
| CN101393300B (en) | LCD and light guiding plate thereof | |
| CN104832827A (en) | Light source module and display device | |
| US20070133225A1 (en) | Lighting unit, electro-optic device, and electronic apparatus | |
| CN113838381A (en) | Display device | |
| US20220236474A1 (en) | Display device | |
| CN106896575B (en) | Double-vision display microstructure, optical film using same and liquid crystal display module | |
| CN101363926A (en) | Lcd device and prismatic lens thereof | |
| CN102116439B (en) | Backlight module | |
| JPWO2009090811A1 (en) | Lighting device, display device, and television receiver | |
| US20080136997A1 (en) | Liquid crystal display device | |
| US10914984B2 (en) | Image display apparatus and support pin | |
| US10914985B2 (en) | Image display apparatus and support pin | |
| US8087812B2 (en) | Light guide device and backlight module | |
| US11327351B2 (en) | Display device including a light shielding layer covering a gap | |
| CN101364007B (en) | Display device capable of reducing visibility of scratch and manufacturing method thereof | |
| US20140328051A1 (en) | Display device | |
| CN220626820U (en) | Backlight module and display device | |
| CN113448124B (en) | Backlight assembly and dual screen display device | |
| CN218273009U (en) | Backlight module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |