CN102840550B - Display device and light guide plate thereof - Google Patents
Display device and light guide plate thereof Download PDFInfo
- Publication number
- CN102840550B CN102840550B CN201210320227.5A CN201210320227A CN102840550B CN 102840550 B CN102840550 B CN 102840550B CN 201210320227 A CN201210320227 A CN 201210320227A CN 102840550 B CN102840550 B CN 102840550B
- Authority
- CN
- China
- Prior art keywords
- guide plate
- light guide
- those
- limit
- medial surface
- 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
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- 239000000758 substrate Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a display device and a light guide plate thereof. The light guide plate is suitable for bearing the display panel and is provided with a light emergent surface and at least one bearing part arranged at the edge of the light emergent surface. The bearing part is provided with a bearing surface and an inner side surface, and the bearing surface is suitable for bearing the display panel. The inner side surface is connected with the bearing surface and the light emitting surface, and a plurality of microstructures are arranged on the inner side surface. The light guide plate can reduce light leakage of the bearing part. The invention also provides a light guide plate with an inclined inner side surface relative to the light emergent surface and two display devices comprising the two light guide plates.
Description
Technical field
The present invention relates to a kind of display device, and particularly relate to a kind of display device and the light guide plate thereof with backlight module.
Background technology
Liquid crystal indicator is one of flat display apparatus that popularity rate is higher, and main element has display panels and backlight module, and wherein backlight module is in order to provide area source to display panels, using as the display light source needed for display panels.Therefore, the display quality of the quality of area source that provides of backlight module and liquid crystal indicator is closely bound up.
Backlight module can be divided into direct type backlight module and side light-entering type backlight module, and wherein side light-entering type backlight module comprises light guide plate and is configured at the light-emitting component by the incidence surface of light guide plate.Light guide plate converts area source in order to the light provided by light-emitting component.
In order to be set up on backlight module by display panels, prior art can carry out liquid carrying LCD panel by framework, and this framework is around light guide plate.But because liquid crystal indicator is towards the trend development of narrow frame now, the existence of this framework cannot effectively reduce making the border width of liquid crystal indicator.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of light guide plate, it can in order to carry display panel.
Another object of the present invention is to propose a kind of display device, and it has the advantage of narrow frame.
For reaching above-mentioned purpose, the present invention proposes a kind of light guide plate, be suitable for carrying display panel, light guide plate has exiting surface and is arranged at least one supporting part at exiting surface edge, supporting part has loading end and medial surface, loading end is suitable for carrying display panel, and medial surface is connected to loading end and exiting surface, and wherein medial surface is provided with multiple microstructure.
In an embodiment of the present invention, above-mentioned microstructure is column.
In an embodiment of the present invention, above-mentioned medial surface has the first limit being connected to loading end, the Second Edge being connected to exiting surface, is connected to the 3rd limit of the first limit and Second Edge and is connected to the 4th limit of the first limit and Second Edge.3rd limit is relative with the 4th limit, and these microstructures are along predetermined direction side by side in medial surface, and predetermined direction points to Second Edge from the first limit, and each microstructure extends to the 4th limit from the 3rd limit.
In an embodiment of the present invention, above-mentioned medial surface has the first limit being connected to loading end, the Second Edge being connected to exiting surface, is connected to the 3rd limit of the first limit and Second Edge and is connected to the 4th limit of the first limit and Second Edge.3rd limit is relative with the 4th limit, and these microstructures are along predetermined direction side by side in medial surface, and predetermined direction points to the 4th limit from the 3rd limit, and each microstructure extends to Second Edge from the first limit.
In an embodiment of the present invention, these microstructures above-mentioned are triangular prism or semicolumn.
In an embodiment of the present invention, these microstructures above-mentioned comprise multiple first taper microstructure, each first taper microstructure has relative first most advanced and sophisticated and the first bottom surface and the first side between first most advanced and sophisticated and the first bottom surface, and the first side is connected to medial surface.In addition, in another embodiment, these microstructures above-mentioned also comprise multiple second taper microstructure, arrange the space between these the first taper microstructures respectively.Each second taper microstructure has relative second most advanced and sophisticated and the second bottom surface and the second side between second most advanced and sophisticated and the second bottom surface.Second side is connected to medial surface, and these second tips are positioned at same plane with these first bottom surfaces, and these second bottom surfaces and these the first tips are positioned at same plane.
In an embodiment of the present invention, medial surface is perpendicular to exiting surface or press from both sides an obtuse angle between medial surface and exiting surface.
In an embodiment of the present invention, above-mentioned light guide plate also has multiple side, these sides one of them be incidence surface, and the quantity of supporting part is multiple.These supporting parts are configured at the limit that the multiple of exiting surface are connected with these sides of all the other beyond incidence surface.
The present invention separately proposes a kind of display device, and it comprises display panel and backlight module.Backlight module comprises above-mentioned light guide plate and the light source cell with microstructure.Display panel configurations is on the supporting part of light guide plate, and light source cell is configured at by light guide plate.
In an embodiment of the present invention, above-mentioned backlight module also comprises blooming piece, is configured on the exiting surface of light guide plate, and the quantity of the supporting part of light guide plate is multiple, blooming piece by these supporting parts around.
In an embodiment of the present invention, above-mentioned backlight module also comprises multiple blooming piece, is configured on the exiting surface of light guide plate, and presss from both sides an obtuse angle between the medial surface of light guide plate and exiting surface.Longer compared with the blooming piece length away from exiting surface in adjacent two blooming pieces of these blooming pieces.
The present invention separately proposes a kind of light guide plate, is suitable for carrying display panel, and light guide plate has exiting surface and is arranged at the supporting part at exiting surface edge.Supporting part has loading end and medial surface, and loading end is suitable for carrying display panel.Medial surface is connected to loading end and exiting surface, wherein presss from both sides an obtuse angle between medial surface and exiting surface.
In an embodiment of the present invention, above-mentioned light guide plate also has multiple side, these sides one of them be incidence surface, and the quantity of supporting part is multiple.These supporting parts are configured at the limit that the multiple of exiting surface are connected with these sides of all the other beyond incidence surface.
The present invention separately proposes a kind of display device, and it comprises display panel and backlight module.Backlight module comprises the light guide plate and light source cell that accompany obtuse angle between above-mentioned medial surface and exiting surface.Display panel configurations is on the supporting part of light guide plate, and light source cell is configured at by light guide plate.
In sum, in the light guide plate of one embodiment of the invention because having supporting part, so carry display panel by supporting part.In addition, because the medial surface of supporting part is provided with microstructure, so the situation of supporting part light leak can be alleviated.In the light guide plate of another embodiment of the present invention, because accompanying obtuse angle between the medial surface of supporting part and exiting surface, so more light can form total reflection at medial surface, and then alleviate the situation of light leak.In addition, display device of the present invention, because using above-mentioned light guide plate, so do not need to carry display panel by framework, and then reaches the advantage of narrow frame.
For above and other object of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and coordinate appended accompanying drawing, be described in detail below.
Accompanying drawing explanation
Fig. 1 is the diagrammatic cross-section of the light guide plate of one embodiment of the invention;
Fig. 2 is the diagrammatic cross-section of the light guide plate of the carrying display panel of another example of the present invention;
Fig. 3 A is the schematic perspective view of the light guide plate of another example of the present invention;
Fig. 3 B is the schematic perspective view of another example light guide plate of the present invention;
Fig. 3 C is the schematic perspective view of another example light guide plate of the present invention;
Fig. 3 D is the schematic perspective view of another example light guide plate of the present invention;
Fig. 4 is the schematic perspective view of another embodiment of the present invention light guide plate;
Fig. 5 is the diagrammatic cross-section of another example light guide plate of the present invention;
Fig. 6 A is the diagrammatic cross-section of one embodiment of the invention display device;
Fig. 6 B is the diagrammatic cross-section of another embodiment of the present invention display device.
Main element symbol description
A
1, A
2: predetermined direction
B
1, B
2: length
D: display panel
L, L1: light
T: obtuse angle
100: light guide plate
102: exiting surface
103: medial surface
104: loading end
200,200a, 300,530: light guide plate
210,310,532: exiting surface
220,220b, 220c, 220d, 320,534,534a: supporting part
221: loading end
222,322,533: medial surface
223: the first limits
224: Second Edge
225: the three limits
226: the four limits
230,230a, 230b: microstructure
240: the first taper microstructures
241: the first is most advanced and sophisticated
242: the first bottom surfaces
243: the first sides
250: the second taper microstructures
251: the second is most advanced and sophisticated
252: the second bottom surfaces
253: the second sides
260: side
261,531: incidence surface
262,332: limit
500,500a: display device
510: display panel
520,520a: backlight module
540: light source cell
542: substrate
544: pointolite
550: blooming piece
551: the first blooming pieces
552: the second blooming pieces
Embodiment
Fig. 1 is the diagrammatic cross-section of the light guide plate of the present invention one example.Please refer to Fig. 1, light guide plate 100 has exiting surface 102, and exiting surface 102 is provided with supporting part 110, to carry display panel (not shown).Supporting part 110 has adjacent medial surface 113 and loading end 114, and wherein loading end 114 is in order to carry display panel.Medial surface 113 is connected between exiting surface 102 and loading end 114, and perpendicular to exiting surface 102 and loading end 114.
Generally speaking, the most of light entered in light guide plate 110 is via exiting surface 102 outgoing, with forming surface light source.And light guide plate 110 has supporting part 110 directly can carry display panel, display device is made to reach the object of narrow frame.But some light L1 can penetrate from the medial surface 113 of supporting part 110 and cause light leak, and this will cause harmful effect to the display quality of liquid crystal indicator, and can reduce the light utilization ratio of liquid crystal indicator.It should be noted that, from the path that the light L1 of medial surface 113 injection is not limited to Fig. 1, only illustrate herein.
Fig. 2 is the diagrammatic cross-section of the light guide plate of the carrying display panel of another example of the present invention, and Fig. 3 A is the schematic perspective view of light guide plate in Fig. 2.Please refer to Fig. 2, light guide plate 200 is suitable for carrying display panel D, light guide plate 200 has exiting surface 210 and is arranged at the supporting part 220 at exiting surface 210 edge, supporting part 220 has loading end 221 and medial surface 222, loading end 221 is suitable for carrying display panel D, medial surface 222 is connected to loading end 221 and exiting surface 210, and wherein medial surface 222 is provided with multiple microstructure 230.These microstructures 230 are such as in column, and it can be triangular prism or semicolumn etc., and it is that the present invention does not limit microstructure 230 for which kind of particular column shape structure.The microstructure 230 of the present embodiment is for triangular prism, and light guide plate 200 is overall makes for light transmissive material.
In the present embodiment, the medial surface 222 of supporting part 220 has the first limit 223 being connected to loading end 221, the Second Edge 224 being connected to exiting surface 210 and is connected to the 3rd limit 225 and the 4th limit 226 of the first limit 223 and Second Edge 224.3rd limit 225 is relative with the 4th limit 226, and these microstructures 230 are such as along predetermined direction A
2side by side in medial surface 222, and this predetermined direction A
2the 4th limit 226 is pointed to from the 3rd limit 225.Each microstructure 230 extends to Second Edge 224 from the first limit 223.
When light L enters light guide plate 200 via incidence surface 261 and when multipath reflection is to medial surface 222, because medial surface 222 having multiple microstructure 230, light L being spread by microstructure 230 and to reflect and to stay light guide plate 200 inner.Therefore, these microstructures 230 can prevent light L by medial surface 222 outgoing, so can avoid light leak and promote light utilization ratio.And, because microstructure 230 has the effect of diffusing light, so the homogeneity of the area source from exiting surface 210 outgoing can be promoted.It should be noted that, spread by microstructure 230 and to reflect and the light L staying light guide plate 200 inside is not limited to the path of Fig. 2, only illustrate herein.
The present invention, except not limiting the geometry in particular of microstructure 230, does not more limit the configuration mode of microstructure 230.Below the various different embodiment of these microstructures is illustrated further.Fig. 3 B is the schematic perspective view of the light guide plate of another example of the present invention.Please refer to Fig. 3 B, the medial surface 222 of supporting part 220b has the first limit 223 being connected to loading end 221, the Second Edge 224 being connected to exiting surface 210 and is connected to the 3rd limit 225 and the 4th limit 226 of the first limit 223 and Second Edge 224, and wherein the 3rd limit 225 is relative with the 4th limit 226.Microstructure 230 is along predetermined direction A
1side by side in medial surface 222, this predetermined direction A
1point to Second Edge 224 from the first limit 223, each microstructure 230 extends to the 4th limit 226 from the 3rd limit 225.
Fig. 3 C is the schematic perspective view of another example light guide plate of the present invention.Please refer to Fig. 3 C, each microstructure 230a of supporting part 220c comprises multiple first taper microstructure 240, each first taper microstructure 240 has the first most advanced and sophisticated 241 and first relative bottom surface 242 and the first side 243, side 243, first between the first most advanced and sophisticated 241 and first bottom surface 242 and is connected to medial surface 222.In addition, these the first taper microstructures 240 are such as along predetermined direction A2 side by side in medial surface 222, but the present invention does not limit this arrangement mode.In other embodiments, microstructure 230a can along predetermined direction A
1side by side in medial surface 222.
Fig. 3 D is the schematic perspective view of another example light guide plate of the present invention.Please refer to Fig. 3 D, in the present embodiment, the microstructure 230b of supporting part 220d comprises multiple first taper microstructures 240 and multiple second taper microstructure 250.Second taper microstructure 250 arranges the space between these the first taper microstructures 240 respectively.Each second taper microstructure 250 has the second most advanced and sophisticated 251 and second relative bottom surface 252 and the second side 253 between the second most advanced and sophisticated 251 and second bottom surface 252.Second side 253 is connected to medial surface 222, and these second tips 251 are positioned at same plane with these first bottom surfaces 242, and these second bottom surfaces 252 are positioned at same plane with these first tips 241.In addition, the first taper microstructure 240 and the second taper microstructure 250 are such as along predetermined direction A
2be alternately arranged in medial surface 222, but the present invention does not limit this arrangement mode.In other embodiments, the first taper microstructure 240 and the second taper microstructure 250 can along predetermined direction A
1side by side in medial surface 222.
Above-mentionedly be all triangle as the microstructure 230 of Fig. 3 A to Fig. 3 D, the section geometric of 230a, 230b, but in other embodiments, the section geometric of microstructure can be the shape that semicircle, polygon etc. are suitable for reflection ray, and the present invention does not limit the section geometric of microstructure.In addition, in the various embodiments described above, the quantity of supporting part is all for one, but in other embodiments, the quantity of supporting part can be multiple, will illustrate that the quantity of supporting part is multiple embodiments below.
Fig. 4 is the schematic perspective view of another embodiment of the present invention light guide plate.Please refer to Fig. 4, the light guide plate 200a of the present embodiment is similar to the light guide plate of Fig. 3 A, and the quantity that difference is in the supporting part 220 of light guide plate 200a is multiple.Specifically, light guide plate 200a has multiple side 260, these sides 260 one of them be incidence surface 261, and these supporting parts 220 are configured at the limit 262 that the multiple of exiting surface 210 are connected with these sides 260 of all the other beyond incidence surface 261.In addition, supporting part 220 replaceable for the supporting part described in above-mentioned Fig. 3 B to Fig. 3 D one of them.Light guide plate 200a due to the present embodiment has multiple supporting part 220, can have higher stability when display panel (not shown) is carried on supporting part 220.
Except the microstructure of above-mentioned various different geometries, the design that light guide plate of the present invention also can utilize medial surface different reduces the situation of supporting part light leak, below will further illustrate.
Fig. 5 is the diagrammatic cross-section of another example light guide plate of the present invention.Please refer to Fig. 5, the light guide plate 300 of the present embodiment is similar to the light guide plate 200 of Fig. 2, and difference is in supporting part.In detail, obtuse angle T is accompanied between the medial surface 322 of the supporting part 320 of light guide plate 300 and exiting surface 310.That is, medial surface 322 is the inclined-plane tilted relative to loading end 321 and exiting surface 310.Compared to the structure of medial surface perpendicular to exiting surface and loading end, the inclined-plane that medial surface 322 is designed to tilt relative to loading end 321 and exiting surface 310 by the present embodiment can effectively make light L produce to be totally reflected, to reduce light L from medial surface 322 outgoing, and then alleviate the situation of light leak.It should be noted that, produce total reflection by inclined-plane and make light L not from the path that medial surface 322 penetrates, be not limited to the path of Fig. 5, only illustrate herein.
It is worth mentioning that, in the present embodiment, medial surface 322 can be provided with the microstructure described in the various embodiments described above, to alleviate the situation of medial surface 322 light leak further.In addition, supporting part 320 quantity of light guide plate 300 can be also multiple as above-described embodiment.
Fig. 6 A is the diagrammatic cross-section of one embodiment of the invention display device.Please refer to Fig. 6 A, display device 500 comprises display panel 510 and backlight module 520.Backlight module 520 comprises light guide plate 530 and light source cell 540.The light guide plate 530 of the present embodiment is identical with the light guide plate 200 of Fig. 2, but it also can be the light guide plate of the various embodiments described above.Display panel 510 is configured on the supporting part 534 of light guide plate 530, and the incidence surface 531 that light source cell 540 is configured at light guide plate 530 is other, to provide light L in light guide plate 530.The light source cell 540 of the present embodiment such as comprises substrate 542 and is assigned to the pointolite 544 on substrate 542, and the quantity of pointolite 544 can be multiple, and pointolite 544 is such as light emitting diode.In addition, backlight module 520 can comprise blooming piece 550 further, and it is configured on the exiting surface 532 of light guide plate 530.The quantity of blooming piece 550 can be one or more pieces, is for multi-disc in the present embodiment.These blooming pieces 550 can be optical diffusion, rhombus lens, blast sheet or other sheet materials that can promote brightness or make display light source homogenising.Be in multiple embodiments in the quantity of the supporting part 534 of light guide plate 530, blooming piece 550 by these supporting parts 534 around.
The supporting part 534 of the light guide plate 530 used due to the display device 500 of the present embodiment can in order to carry display panel 510, so can omit the framework that prior art uses, and then reaches the advantage of narrow frame.And light guide plate 530 effectively can also reduce the situation of medial surface 533 light leak of supporting part 534, so display quality and the light utilization ratio of display device 500 can be promoted.
Fig. 6 B is the diagrammatic cross-section of another embodiment of the present invention display device.Please refer to Fig. 6 B, this display device 500a is similar to the display device 500 of Fig. 6 A, is only described for its difference place below.The light guide plate 530 of the present embodiment is identical with the light guide plate 300 of Fig. 5, that is, accompany obtuse angle T between the medial surface 533 of light guide plate 530 and exiting surface 532.In addition, blooming piece 550 is configured on the exiting surface 532 of light guide plate 530.Coordinate the design that medial surface 533 tilts relative to exiting surface 532, longer compared with the blooming piece length away from exiting surface 532 in adjacent two blooming pieces of these blooming pieces 550, the such as length B of blooming piece 552
1compared with the length B of blooming piece 551
2long.
The supporting part 534a of the light guide plate 530 used due to the display device 500a of the present embodiment can in order to carry display panel 510, so can omit the framework that prior art uses, and then reaches the advantage of narrow frame.And light guide plate 530 effectively can also reduce the situation of medial surface 533 light leak, so display quality and the light utilization ratio of display device 500a can be promoted.It is worth mentioning that, medial surface 533 can arrange the microstructure described in the various embodiments described above, to reduce the situation of holding medial surface 533 light leak further.
In sum, the present invention at least has following advantages:
1., because light guide plate has supporting part to carry display panel, so display device of the present invention does not need to use the framework of prior art to carry display panel, display device of the present invention so can be made to have the advantage of narrow frame.
2. in one embodiment, because the medial surface of the supporting part of light guide plate is provided with microstructure, so the situation of supporting part light leak can be alleviated, and then promote display quality and the light utilization ratio of display device of the present invention.
3. in another embodiment, owing to accompanying obtuse angle between the medial surface of light guide plate and exiting surface, so more light can form total reflection at medial surface, and then alleviate the situation of light leak, so can promote display quality and the light utilization ratio of display device of the present invention.
Although disclose the present invention in conjunction with above preferred embodiment; but itself and be not used to limit the present invention, be anyly familiar with this operator, without departing from the spirit and scope of the present invention; can do a little change and retouching, what therefore protection scope of the present invention should define with the claim of enclosing is as the criterion.
Claims (12)
1. a light guide plate, is suitable for carrying one display panel, and this light guide plate has exiting surface and at least one supporting part being arranged at this exiting surface edge, this supporting part has loading end and medial surface, this loading end is suitable for carrying this display panel, and this medial surface is connected to this loading end and this exiting surface, wherein
This medial surface is provided with multiple microstructure,
Those microstructures comprise multiple first taper microstructure, and each first taper microstructure has relative first most advanced and sophisticated and the first bottom surface and the first side between this first most advanced and sophisticated and this first bottom surface, and this first side is connected to this medial surface,
Those microstructures also comprise multiple second taper microstructure, space between those the first taper microstructures is set respectively, each second taper microstructure has relative second most advanced and sophisticated and the second bottom surface and the second side between this second most advanced and sophisticated and this second bottom surface, this second side is connected to this medial surface, those second tips are positioned at same plane with those first bottom surfaces, and those second bottom surfaces and those the first tips are positioned at same plane.
2. light guide plate as claimed in claim 1, wherein this medial surface has the first limit being connected to this loading end, the Second Edge being connected to exiting surface, is connected to the 3rd limit of this first limit and this Second Edge and is connected to the 4th limit of this first limit and this Second Edge, 3rd limit is relative with the 4th limit, those microstructures along a predetermined direction side by side in this medial surface, this predetermined direction points to the 4th limit from the 3rd limit, and each microstructure extends to this Second Edge from this first limit.
3. light guide plate as claimed in claim 1, wherein this medial surface presss from both sides an obtuse angle perpendicular to this exiting surface or between this medial surface and this exiting surface.
4. light guide plate as claimed in claim 1, also there is multiple side, those sides one of them be an incidence surface, and the quantity of this at least one supporting part is multiple, and those supporting parts are configured at the limit that the multiple of this exiting surface are connected with all the other those sides beyond this incidence surface.
5. a display device, comprising:
Display panel; And
Backlight module, comprising:
The light guide plate of any one of Claims 1-4, this display panel configurations is on this supporting part of this light guide plate; And
Light source cell, is configured at by this light guide plate.
6. display device as claimed in claim 5, wherein this backlight module also comprises blooming piece, is configured on this exiting surface of this light guide plate, and the quantity of this at least one supporting part of this light guide plate is multiple, this blooming piece by those supporting parts around.
7. display device as claimed in claim 5, wherein this backlight module also comprises multiple blooming piece, be configured on this exiting surface of this light guide plate, and press from both sides an obtuse angle between this medial surface of this light guide plate and this exiting surface, longer compared with this blooming piece length away from this exiting surface in adjacent two blooming pieces of those blooming pieces.
8. a light guide plate, is suitable for carrying one display panel, and this light guide plate has exiting surface and at least one supporting part being arranged at this exiting surface edge, this supporting part has loading end and medial surface, this loading end is suitable for carrying this display panel, and this medial surface is connected to this loading end and this exiting surface, wherein
An obtuse angle is pressed from both sides between this medial surface and this exiting surface,
This medial surface is provided with multiple microstructure,
Those microstructures comprise multiple first taper microstructure, and each first taper microstructure has relative first most advanced and sophisticated and the first bottom surface and the first side between this first most advanced and sophisticated and this first bottom surface, and this first side is connected to this medial surface,
Those microstructures also comprise multiple second taper microstructure, space between those the first taper microstructures is set respectively, each second taper microstructure has relative second most advanced and sophisticated and the second bottom surface and the second side between this second most advanced and sophisticated and this second bottom surface, this second side is connected to this medial surface, those second tips are positioned at same plane with those first bottom surfaces, and those second bottom surfaces and those the first tips are positioned at same plane.
9. light guide plate as claimed in claim 8, also there is multiple side, those sides one of them be an incidence surface, and the quantity of this at least one supporting part is multiple, and those supporting parts are configured at the limit that the multiple of this exiting surface are connected with all the other those sides beyond this incidence surface.
10. a display device, comprising:
Display panel; And
Backlight module, comprising:
The light guide plate of claim 8 or 9, this display panel configurations is on this supporting part of this light guide plate; And
Light source cell, is configured at by this light guide plate.
11. display device as claimed in claim 10, wherein this backlight module also comprises blooming piece, is configured on this exiting surface of this light guide plate, and the quantity of this at least one supporting part of this light guide plate is multiple, this blooming piece by those supporting parts around.
12. display device as claimed in claim 10, wherein this backlight module also comprises multiple blooming piece, is configured on this exiting surface of this light guide plate, longer compared with this blooming piece length away from this exiting surface in adjacent two blooming pieces of those blooming pieces.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101121044 | 2012-06-11 | ||
| TW101121044A TWI474086B (en) | 2012-06-11 | 2012-06-11 | Display device and light guiding plate thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102840550A CN102840550A (en) | 2012-12-26 |
| CN102840550B true CN102840550B (en) | 2015-08-19 |
Family
ID=47368159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210320227.5A Active CN102840550B (en) | 2012-06-11 | 2012-08-31 | Display device and light guide plate thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102840550B (en) |
| TW (1) | TWI474086B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292246B (en) * | 2013-06-04 | 2016-08-24 | 北京京东方光电科技有限公司 | A kind of blooming piece, backlight module and display device |
| CN109991696B (en) * | 2017-12-29 | 2020-10-09 | 中强光电股份有限公司 | Display device |
| US11789301B2 (en) | 2019-09-04 | 2023-10-17 | Beijing Boe Display Technology Co., Ltd. | Light guide plate including mounting portion, display module and display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101755167A (en) * | 2007-06-12 | 2010-06-23 | 欧姆龙株式会社 | Surface light source apparatus |
| CN102245962A (en) * | 2008-12-16 | 2011-11-16 | 欧姆龙株式会社 | Planar light source device |
| CN102354014A (en) * | 2011-08-15 | 2012-02-15 | 友达光电股份有限公司 | Light guide plate with support ribs and display module using same |
-
2012
- 2012-06-11 TW TW101121044A patent/TWI474086B/en active
- 2012-08-31 CN CN201210320227.5A patent/CN102840550B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101755167A (en) * | 2007-06-12 | 2010-06-23 | 欧姆龙株式会社 | Surface light source apparatus |
| CN102245962A (en) * | 2008-12-16 | 2011-11-16 | 欧姆龙株式会社 | Planar light source device |
| CN102354014A (en) * | 2011-08-15 | 2012-02-15 | 友达光电股份有限公司 | Light guide plate with support ribs and display module using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102840550A (en) | 2012-12-26 |
| TWI474086B (en) | 2015-02-21 |
| TW201350996A (en) | 2013-12-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101299113B (en) | Back light module unit and optical panel thereof | |
| US9046630B2 (en) | Optical sheet and backlight assembly having the same | |
| CN104776363A (en) | Backlight module and display device | |
| EP2728248B1 (en) | Light-emitting unit, backlight module and display device | |
| CN102679204A (en) | Light-emitting assembly | |
| CN103901528B (en) | Planar light source device and its light guide plate | |
| US20170293055A1 (en) | Optical element, light guide plate, prism, backlight module and display device | |
| US20150117055A1 (en) | Display apparatus | |
| CN102840550B (en) | Display device and light guide plate thereof | |
| CN203686878U (en) | Novel LED backlight lens and liquid crystal display backlight screen | |
| CN203720396U (en) | Light guide plate | |
| US9529174B2 (en) | Diffuser plate assembly, backlight and display device | |
| CN101725913A (en) | Efficient brightening backlight module | |
| US9435935B2 (en) | Light guide plate, backlight module and display device | |
| CN102980104A (en) | Backlight module and display device utilizing same | |
| CN102279436A (en) | Light guide plate, backlight module and display device | |
| CN101295103A (en) | Back light module and optical plate | |
| CN103105695A (en) | Liquid crystal panel assembly and image display apparatus having the same | |
| KR102652314B1 (en) | Backlight Unit And Display Device Having The Same | |
| KR20070032429A (en) | Back Light Unit and Liquid Crystal Module Using The Same | |
| TW201514561A (en) | Light guide plate, planar light source device, and transmissive image display device | |
| CN102927503A (en) | Backlight module | |
| KR20130125961A (en) | Light guide panel and liquid display apparatus using the same | |
| CN104122617A (en) | Light guiding plate and back light module | |
| CN104776397A (en) | Light guide plate and light source 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 |