CN205246928U - Leaded light material, backlight unit and display device - Google Patents
Leaded light material, backlight unit and display device Download PDFInfo
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- CN205246928U CN205246928U CN201520951255.6U CN201520951255U CN205246928U CN 205246928 U CN205246928 U CN 205246928U CN 201520951255 U CN201520951255 U CN 201520951255U CN 205246928 U CN205246928 U CN 205246928U
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Abstract
The utility model relates to a leaded light material, backlight unit and display device. This leaded light material includes body, a plurality of punctiform micro -structure and a plurality of strip micro -structure. The little structure separate ground of punctiform forms on the body. The strip micro -structure then forms in the punctiform micro -structure on the surface to the crest line of each strip micro -structure is interrupted irregularly to be arranged.
Description
Technical field
The utility model relates to a kind of light guide. More specifically, the utility model relates to a kind of light guide with point-like micro-structural and strip micro-structural.
Background technology
Backlight module (BacklightModule, BLM) is one of important spare part of display unit. For example, because the display floater in display unit (display panels) itself can be not luminous, therefore must pass through the illuminating source throw light of backlight module, thereby realize the function showing.
Backlight module is divided into side-light type (EdgeType) and two kinds of structures of straight-down negative (DirectType) according to the position of illuminating source, wherein side-light type structure is arranged on illuminating source the side of light guide, in order to change light direction, light guide has the light guide structure that destroys total reflection conventionally. But known light guide structure directive property is higher, therefore focus (hotspot) can display significantly.
Utility model content
In order to solve above-mentioned known problem, the utility model provides a kind of light guide, and this LGP comprises body, multiple point-like micro-structural and multiple strip micro-structural. Point-like micro-structural is formed on body discretely. Strip micro-structural is formed on the surface of point-like micro-structural, and the crest line of each strip micro-structural is interrupted arrangement brokenly.
In embodiment of the present utility model, at least a portion of aforementioned strip micro-structural is extended and is arranged along first direction.
In embodiment of the present utility model, at least another part of aforementioned strip micro-structural extends and arranges along second direction, and aforementioned first direction is different from second direction.
In embodiment of the present utility model, aforementioned strip micro-structural has respectively different profiles.
In embodiment of the present utility model, aforementioned body has the first side and the second side, the contiguous illuminating source and relative with the second side of the first side. The quantity of aforementioned point-like micro-structural is from increasing gradually towards the direction near aforementioned the second side near aforementioned the first side.
In embodiment of the present utility model, aforementioned body has incidence surface, reflecting surface and exiting surface, and incidence surface is towards illuminating source and connect reflecting surface and exiting surface, and aforementioned point-like micro-structural is formed on reflecting surface.
In embodiment of the present utility model, aforementioned body has incidence surface, reflecting surface and exiting surface, and incidence surface is towards illuminating source and connect reflecting surface and exiting surface, and aforementioned point-like micro-structural is formed on exiting surface.
In embodiment of the present utility model, the roughness (arithmeticmeanroughness, Ra) of aforementioned point-like micro-structural, between 1-999nm, does not comprise endpoint value.
Embodiment of the present utility model also provides a kind of backlight module, and this backlight module comprises aforementioned light guide and illuminating source, and the light that wherein this illuminating source sends enters in light guide, and leaves this light guide after being reflected by strip micro-structural or reflecting.
Embodiment of the present utility model also provides a kind of display unit, and this display unit comprises aforementioned backlight module and display floater, and wherein display floater is positioned at the front of the body of light guide.
Brief description of the drawings
Fig. 1 is the schematic diagram that the backlight module of embodiment of the present utility model is shown.
Fig. 2 A is the upward view that the backlight module shown in Fig. 1 is shown.
Fig. 2 B is the schematic diagram that the backlight module of another embodiment of the present utility model is shown.
Fig. 2 C is the schematic diagram that the backlight module of another embodiment of the present utility model is shown.
Fig. 2 D is the schematic diagram that the backlight module of another embodiment of the present utility model is shown.
Fig. 3 illustrates that light enters light guide and leaves the schematic diagram of light guide from exiting surface from incidence surface.
Fig. 4 is the schematic diagram that the backlight module of another embodiment of the present utility model is shown.
Fig. 5 is the schematic diagram that the display unit of embodiment of the present utility model is shown.
Detailed description of the invention
The following describes light guide, backlight module and the display unit of embodiment of the present utility model. But, can easily understand, embodiment of the present utility model provides many suitable creation concepts, thereby can under various specific backgrounds widely, implement. Disclosed specific embodiment only uses the utility model for explanation with specific method, not for limiting scope of the present utility model.
Should understand, although can use term " first ", " second " etc. here, various assemblies, parts, region, layer and/or part are described, but these assemblies, parts, region, layer and/or part should not limited by these terms, and these terms are only used for distinguishing different assemblies, parts, region, layer and/or part.
First please refer to Fig. 1, the backlight module B of embodiment of the present utility model mainly comprises light guide 10 and illuminating source 20, wherein the body 100 of light guide 10 has incidence surface 101, reflecting surface 102 and exiting surface 103, incidence surface 101 connects reflecting surface 102 and exiting surface 103 and towards illuminating source 20, the light that therefore illuminating source 20 produces can and roughly enter in light guide 10 along first direction A1 through incidence surface 101. Illuminating source 20 for example can comprise multiple light emitting diodes (lightemittingdiode, LED) or cathode fluorescent tube (coldcathodefluorescentlamp, CCFL).
As shown in Fig. 1 and Fig. 2 A, in the present embodiment, on the reflecting surface 102 of body 100, be formed with multiple point-like micro-structurals 110 of protruding from reflecting surface 102. These point-like micro-structurals 110 are separated from each other each other, and on the surface of each point-like micro-structural 110, are also formed with multiple strip micro-structurals 120 separated from one another. Should note, in each point-like micro-structural 110, at least a portion of strip micro-structural 120 arranges at each interval along first direction A1, and at least another part of strip micro-structural 120 arranges at each interval along second direction A2, wherein first direction A1 is different from second direction A2, for example, be perpendicular to one another.
Need special instruction, strip micro-structural 120 can form by laser or etching, its roughness (arithmeticmeanroughness, Ra) (does not comprise endpoint value) between 1-999nm, and each strip micro-structural 120 can have different profiles and size.
In the present embodiment, each strip micro-structural 120 is all extended along first direction A1, but in certain embodiments, strip micro-structural 120 also can be extended along other direction. As shown in Figure 2 B, in another embodiment of the present utility model, each strip micro-structural 120 is all extended along second direction A2. As shown in Figure 2 C, in another embodiment of the present utility model, part strip micro-structural 120 is extended along first direction A1, and part strip micro-structural 120 is extended along second direction A2. Again as shown in Figure 2 D, in another embodiment of the present utility model, strip micro-structural 120 also can be extended towards the oblique direction all tilting with respect to first direction A1 and second direction A2.
Continue referring to Fig. 2 A-2D, at the i.e. parallel block 106 of the multiple same sizes of definable between the first side 104 and the second side 105 of the opposite side of the body 100 of light guide 10, the wherein contiguous illuminating sources 20 of the first side 104. Each parallel block 106 contains the point-like micro-structural 110 of varying number, the point-like micro-structural 110 that the parallel block 106 far away apart from illuminating source 20 comprises is more, and the point-like micro-structural 110 that the parallel block 106 nearer apart from illuminating source 20 comprises is less. That is to say, the quantity of point-like micro-structural 110 increases towards the direction near the second side 105 gradually from the first side 104 near light guide 10. In addition, in the present embodiment, the point-like micro-structural 110 in each parallel block 106 arranges equably, so the point-like micro-structural 110 in each parallel block 106 has identical interval each other.
As shown in Figure 3, the part light that illuminating source 20 produces enters after light guide 10 through incidence surface 101, meeting constantly total reflection between reflecting surface 102 and exiting surface 103, and these light touch after the strip micro-structural 120 on point-like micro-structural 110 on reflecting surface 102 and point-like micro-structural 110 surfaces, the reflection angle of light can be changed, and makes light leave light guide 10 from exiting surface 103 thereby therefore can destroy total reflection.
Because strip micro-structural 120 has nanostructured (roughness is between 1-999nm), and the crest line of strip micro-structural 120 is interrupted brokenly arranges (strip micro-structural 120 arranges along first direction A1 and the equal compartment of terrain of second direction A2), therefore can effectively reduce the directive property of light, light mixing effect is strengthened, and then improve light field visual angle and avoid focus (hotspot). In addition, because the quantity of point-like micro-structural 110 increases towards the direction near the second side 105 gradually from close the first side 104, therefore can make the light that leaves from each position of exiting surface 103 roughly the same, what make entirety goes out light effect homogenising, avoids near the part of illuminating source 20 compared with bright and away from the darker situation of the part of illuminating source 20.
Although being formed on the reflecting surface 102 of body 100 and from reflecting surface 102, the point-like micro-structural 110 in previous embodiment of the present utility model protrudes, still can be according to shape and the position of user's demand adjustment point-like micro-structural 110. For example, as shown in Figure 4, in another embodiment of the present utility model, point-like micro-structural 110 can be formed on exiting surface 103, and therefore part light can directly leave light guide 10 through point-like micro-structural 110 after contact point-like micro-structural 110. In certain embodiments, point-like micro-structural 110 can be formed on reflecting surface 102 and exiting surface 103 simultaneously. In certain embodiments, point-like micro-structural 110 can be formed in the depressed part on reflecting surface 102 or exiting surface 103, that is to say, does not protrude from reflecting surface 102 or exiting surface 103 towards the inner recess of light guide 10.
Please refer to Fig. 5, the display unit of embodiment of the present utility model comprises backlight module B and display floater D, wherein display floater D is positioned at the front of the body 100 of light guide 10, exiting surface 103 is towards display floater D, therefore leave from exiting surface 103 there is enough brightness and equally distributed light can offer display floater D, normally show image. Display floater D for example can comprise the assemblies such as glass substrate, colored filter, liquid crystal and Polarizer.
In sum, the utility model provides a kind of light guide, because the configuration quantity of point-like micro-structural is along increasing gradually away from the direction of illuminating source, therefore can use light effect homogenising, avoid more and cause the brighter situation of side near illuminating source place's bright dipping. Secondly, the strip micro-structural forming by point-like micro-structural with on point-like micro-structure surface, can destroy the total reflection of light in light guide, makes light leave light guide from exiting surface. In addition, the crest line of each strip micro-structural is interrupted brokenly to be arranged, and therefore can improve light field visual angle, promotes DL photosensitiveness and reduce the generation of focus.
Although embodiment of the present utility model and advantage thereof have been carried out as above open, should be understood that those skilled in the art should make changes, substitutes and retouch not departing from spirit and scope of the present utility model. In addition; protection domain of the present utility model is not limited to processing procedure, machine, manufacture, material composition, device, method and the step in the specific embodiment described in description; those skilled in the art can understand now or the processing procedure, machine, manufacture, material composition, device, method and the step that develop in the future from content disclosed in the utility model, as long as can realize more or less the same function or obtain more or less the same result and can use according to the utility model in described here embodiment. Therefore, protection domain of the present utility model comprises above-mentioned processing procedure, machine, manufacture, material composition, device, method and step. In addition, each claim forms other embodiment, and protection domain of the present utility model also comprises the combination of each claim and embodiment.
Although it is as above open that the utility model is undertaken by aforementioned multiple preferred embodiments, it is not intended to limit the utility model. The utility model person of ordinary skill in the field, not departing from spirit and scope of the present utility model, should make a little change and retouching. Therefore, protection domain of the present utility model should be as the criterion with claims limited range. In addition, each claim is built into independently embodiment, and the combination of various claim and embodiment is all in scope of the present utility model.
[symbol description]
10 light guides
20 illuminating sources
100 bodies
101 incidence surfaces
102 reflectings surface
103 exiting surfaces
104 first sides
105 second sides
106 parallel blocks
110 point-like micro-structurals
120 strip micro-structurals
A1 first direction
A2 second direction
B backlight module
D display floater.
Claims (10)
1. a light guide, it comprises:
Body;
Multiple point-like micro-structurals, it is formed on described body discretely; And
Multiple strip micro-structurals, it is formed on the surface of described multiple point-like micro-structurals, and described inThe crest line of each in multiple strip micro-structurals is interrupted brokenly to be arranged.
2. light guide according to claim 1, wherein said multiple strip micro-structurals at least onePart is extended and is arranged along first direction.
3. light guide according to claim 2, wherein said multiple strip micro-structurals at least anotherA part is extended and is arranged along second direction, and described first direction is different from described second direction.
4. light guide according to claim 1, wherein said multiple strip micro-structurals have respectivelyDifferent profiles.
5. light guide according to claim 1, wherein said body has the first side and secondSide, the contiguous illuminating source relative with described the second side of described the first side, wherein said multiple point-like are micro-The quantity of structure is from increasing gradually towards the direction near described the second side near described the first side.
6. light guide according to claim 1, wherein said body has incidence surface, reflecting surfaceAnd exiting surface, described incidence surface is towards illuminating source and connect described reflecting surface and described exiting surface, andAnd described multiple point-like micro-structural is formed on described reflecting surface.
7. light guide according to claim 1, wherein said body has incidence surface, reflecting surfaceAnd exiting surface, described incidence surface is towards illuminating source and connect described reflecting surface and described exiting surface, andAnd described multiple point-like micro-structural is formed on described exiting surface.
8. light guide according to claim 1, the roughness of wherein said multiple point-like micro-structuralsBetween 1-999nm, do not comprise endpoint value.
9. a backlight module, comprising:
According to the light guide described in any one in claim 1-8; And
Illuminating source, the light that described illuminating source sends enters in described light guide, and by instituteAfter stating the reflection of strip micro-structural or refraction, leave described light guide.
10. a display unit, comprises backlight module according to claim 9 and display surfacePlate, wherein said display floater is positioned at the front of the described body of described light guide.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520951255.6U CN205246928U (en) | 2015-11-25 | 2015-11-25 | Leaded light material, backlight unit and display device |
| TW104219586U TWM521195U (en) | 2015-11-25 | 2015-12-07 | Light guiding plate, backlight module, and display device |
| JP2016002189U JP3205464U (en) | 2015-11-25 | 2016-05-13 | Light guide material, backlight module, and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520951255.6U CN205246928U (en) | 2015-11-25 | 2015-11-25 | Leaded light material, backlight unit and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205246928U true CN205246928U (en) | 2016-05-18 |
Family
ID=55946008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520951255.6U Active CN205246928U (en) | 2015-11-25 | 2015-11-25 | Leaded light material, backlight unit and display device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3205464U (en) |
| CN (1) | CN205246928U (en) |
| TW (1) | TWM521195U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929481A (en) * | 2016-07-15 | 2016-09-07 | 周翠敏 | Backlight module and light guide plate thereof |
| CN111489906A (en) * | 2019-06-18 | 2020-08-04 | 光宝电子(广州)有限公司 | Key backlight module and application thereof |
| WO2023130495A1 (en) * | 2022-01-10 | 2023-07-13 | 惠州华星光电显示有限公司 | Light source module, liquid crystal display apparatus, and display device |
| WO2024000327A1 (en) * | 2022-06-29 | 2024-01-04 | 京东方科技集团股份有限公司 | Backlight module and display apparatus |
-
2015
- 2015-11-25 CN CN201520951255.6U patent/CN205246928U/en active Active
- 2015-12-07 TW TW104219586U patent/TWM521195U/en unknown
-
2016
- 2016-05-13 JP JP2016002189U patent/JP3205464U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929481A (en) * | 2016-07-15 | 2016-09-07 | 周翠敏 | Backlight module and light guide plate thereof |
| CN111489906A (en) * | 2019-06-18 | 2020-08-04 | 光宝电子(广州)有限公司 | Key backlight module and application thereof |
| WO2023130495A1 (en) * | 2022-01-10 | 2023-07-13 | 惠州华星光电显示有限公司 | Light source module, liquid crystal display apparatus, and display device |
| US12007645B2 (en) | 2022-01-10 | 2024-06-11 | Tcl China Star Optoelectronics Technology Co., Ltd. | Light source module, liquid crystal display device, and a display apparatus |
| WO2024000327A1 (en) * | 2022-06-29 | 2024-01-04 | 京东方科技集团股份有限公司 | Backlight module and display apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM521195U (en) | 2016-05-01 |
| JP3205464U (en) | 2016-07-28 |
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| C14 | Grant of patent or utility model | ||
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