CN203324502U - Light guide plate with microstructures - Google Patents
Light guide plate with microstructures Download PDFInfo
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- CN203324502U CN203324502U CN2013203421291U CN201320342129U CN203324502U CN 203324502 U CN203324502 U CN 203324502U CN 2013203421291 U CN2013203421291 U CN 2013203421291U CN 201320342129 U CN201320342129 U CN 201320342129U CN 203324502 U CN203324502 U CN 203324502U
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- light guide
- guide plate
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- tool
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- 238000001746 injection moulding Methods 0.000 claims abstract description 6
- 238000005516 engineering process Methods 0.000 claims description 12
- 230000007423 decrease Effects 0.000 claims description 6
- 238000003754 machining Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009792 diffusion process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 9
- 239000004973 liquid crystal related substance Substances 0.000 description 5
- 238000000605 extraction Methods 0.000 description 4
- 238000007598 dipping method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- Planar Illumination Modules (AREA)
Abstract
The utility model provides a light guide plate with microstructures. The light guide plate with the microstructures includes a light guide plate and the plurality of the microstructures. The light guide plate is provided with a wedge-type light receiving part and a flat-type light guide part. The microstructures can be formed on an inclined face of the wedge-type light receiving part by adopting a mechanical processing technique or an injection molding technique and the inclined face can receive light beams emitted by an LED light source. Therefore, the thin-type light guide plate with the microstructures or the light guide plate with the microstructures whose thickness is smaller than that of the light source is formed. A light diffusion effect is produced through the microstructures and light is sent out uniformly after being guided and reflected in the light guide board, so that brightness and uniformity of the light guide plate with the microstructures are improved.
Description
Technical field
The utility model relates to a kind of light guide plate structure, particularly about a kind of light guide plate of tool microstructure; More especially the wedge type light entrance structures thereof about a kind of light guide plate has microstructure, makes light by rear generation diffusion effect, to improve the briliancy homogeneity of light guide plate.
Background technology
Backlight module is in response to the demand in market, stress lightweight, slimming, narrow frame, low power consumption, high briliancy and low cost in exploitation and design, relative, the light guide plate of being responsible for line source is transferred to even brilliant face in backlight module also starts to focus on the design of microstructure and the improvement of body slimming.
The light guide plate of existing tool microstructure, for example: TaiWan, China is announced I266120 〝 backlight arrangement and liquid crystal display 〞 patent of invention, and it discloses a kind of liquid crystal display and comprises a liquid crystal panel and a backlight arrangement.This backlight arrangement comprises a light guide plate and complex points light source, this light guide plate comprises that one has the plane of incidence and the exiting surface be connected with the plane of incidence of plural triangular groove, this complex points light source this plane of incidence relatively arranges, corresponding each triangular groove of every bit light source.The light beam sent from pointolite enters light guide plate to reduce blanking bar after plural triangular groove enlarges the angle of divergence.The exiting surface setting of the contiguous light guide plate of this liquid crystal panel.
The light guide plate of another existing tool microstructure, for example: TaiWan, China is announced M453166 〝 light conducting plate structure improvement 〞 new patent, it discloses a kind of light guide plate and at least simultaneously is provided with plural microstructure, each microstructure is recessed in this light guide plate, perhaps each microstructure protrudes from outside this light guide plate, and the degree of depth between each microstructure is not identical.
The light guide plate of another existing tool microstructure, for example: the backlight module 〞 patent of invention that TaiWan, China is announced I373642 〝 light guide plate and used this light guide plate, it discloses a kind of backlight module and has light-emitting component and light guide plate.Light guide plate has incidence surface, and light-emitting component, corresponding to that side setting of incidence surface of light guide plate, provides light to enter light guide plate from incidence surface, and light is advanced in light guide plate, so that uniform illumination effect to be provided.Be provided with plural microstructure on incidence surface, each microstructure has depth of microstructure, and light guide plate has plate body thickness, and the ratio of depth of microstructure and plate body thickness is in fact between 0.003 to 0.0625.
The light guide plate of another existing tool microstructure, for example: TaiWan, China discloses No. 201044037 〝 light guide plate and backlight module 〞 patent of invention, it discloses a kind of light guide plate, it comprises incidence surface, the exiting surface be connected with described incidence surface, described incidence surface is provided with the V-type grooving of the recessed described incidence surface of plural number, there is Fresnel Lenses between adjacent V-type grooving, the vertical described exiting surface of the bearing of trend of described V-type grooving.
The light guide plate of another existing tool microstructure, for example: TaiWan, China discloses No. 201209483 〝 backlight module and has the display device 〞 patent of invention of this backlight module, it discloses a kind of backlight module, and it comprises a light guide plate, at least one the first light source and at least one secondary light source.One light inlet top-cross of light guide plate is at least one the first incidence surface and at least one the second incidence surface of distributing, and the first incidence surface and the second incidence surface form an angle.The first light source is arranged at the light beam that contiguous the first incidence surface position and the first light source send and is suitable for advancing towards the left side of light guide plate, secondary light source is arranged at the light beam that contiguous the second incidence surface position and secondary light source send and is suitable for advancing towards the right-hand part of light guide plate, and the first light source and secondary light source alternately flicker.
The light guide plate of another existing tool microstructure, for example: TaiWan, China is announced I384296 〝 light source module and is shown module 〞 patent of invention, and it discloses a kind of light source module, and it comprises a light guide plate and a light source.Light guide plate has an incidence surface and an output optical zone, and has a plurality of grooves or raised design on light guide plate.The length of groove or raised design is less than the length of light guide plate.Light source is arranged on the incidence surface of light guide plate, and the groove of light guide plate or raised design are adjacent to incidence surface.
The light guide plate of another existing tool microstructure, for example: TaiWan, China is announced I369546 〝 light guide board microstructure 〞 patent of invention, it discloses a kind of light guide board microstructure and is located at least one surface of light guide plate, and it comprises a plurality of grooves unit to be arranged on above-mentioned surface continuously or discontinuously.Above-mentioned groove unit comprises plural number and plants groove structure.Two inclined-planes of this plural number kind groove structure form plural number and plant angle, and the angle of each this kind of angle is between 80 degree to 160 degree, and the angle of this plural number kind angle is mutually different.
Yet, the light guide plate of the existing tool microstructure of aforementioned No. I266120, No. M453166, No. I373642, No. 201044037 and No. 201209483 is flat light guide plate, it only is convexly equipped with or is arranged with microstructure 2 ' at the incidence surface of light guide plate 1 ', and light source 3 ' adopts Ce Ru Shi ﹝ as 1 Shi ﹞ of figure, to increase the light guide plate light extraction efficiency, but in fact not be applicable to the light guide plate of tool wedge type light entrance structures thereof, and can't reduce the thickness of light guide plate.In addition, the light guide plate of the existing tool microstructure of aforementioned No. I384296 and No. I369546 is flat light guide plate, it is only in light guide plate 1 ' ' upper surface or exiting surface are convexly equipped with or are arranged with microstructure 2 ' ', and light source 3 ' ' adopt Ce Ru Shi ﹝ as 2 Shi ﹞ of figure, to increase the light guide plate light extraction efficiency, but in fact not be applicable to the light guide plate of tool wedge type light entrance structures thereof, and can't reduce the thickness of light guide plate.Therefore, the light guide plate of existing tool microstructure still is necessary further to improve its structure, to improve the incidence surface structure of existing light guide plate, makes light source reach best luminous exitance through the light guide plate guiding, and reaches the purpose of light guide plate slimming simultaneously.Aforementioned patent is only for the reference of the utility model technical background and current technical development state is described, it is not in order to limit scope of the present utility model.
In view of this, the utility model provides a kind of light guide plate of tool microstructure in order to meet the demand, it comprises a light guide plate and several microstructure, and this light guide plate has a wedge type light in part and a plate light guide section, and microstructure is formed on this wedge type light in part with Machining Technology or injection molding technology, to solve the thickness problem of the light guide plate that has the tool microstructure now.
The utility model content
The purpose of this utility model is to provide a kind of light guide plate of tool microstructure, it comprises a light guide plate and several microstructure, and this light guide plate has a wedge type light in part and a plate light guide section, and microstructure is formed on this wedge type light in part with Machining Technology or injection molding technology, to make slim light guide plate or to be less than the light guide plate of light source thickness, the light of light source is injected in light guide plate via microstructure, thereby light produces diffusion effect, light is conducted in light guide plate and reflect rear evenly bright dipping, to reduce the loss of light source in light guide plate, and reach the light extraction efficiency that promotes light guide plate.
For achieving the above object, the utility model is taked following technical scheme:
The light guide plate of tool microstructure of the present utility model comprises:
One light guide plate, it has a light in part and a light guide section; And
Several microstructures, it is arranged on this light guide plate;
Wherein this light in part has an inclined-plane, and this microstructure is arranged on this inclined-plane, and light can be injected for a LED light source in this inclined-plane.
This microstructure of the utility model preferred embodiment is a V-type groove, a ladder type groove or an arc groove.
This microstructure of the utility model preferred embodiment is an A type convex body, a ladder type convex body or a circular arc convex body.
This microstructure of the utility model preferred embodiment selects Machining Technology or injection molding technology to be formed on this inclined-plane.
This microstructure of the utility model preferred embodiment is continuous arrangement or discontinuous arrangement.
The bearing of trend that this microstructure of the utility model preferred embodiment is be parallel to this light guide plate vertically, or there is in the horizontal direction an angle between the bearing of trend of this microstructure and this light guide plate vertical.
The thickness of this light in part of the utility model preferred embodiment is along with the vergence direction on this inclined-plane successively decreases, or the thickness of this light in part successively decreases with staged along with the vergence direction on this inclined-plane.
Complete section of this light in part of the utility model preferred embodiment or a part of paragraph are a wedge type light in part.
This light guide section of the utility model preferred embodiment is a plate light guide section.
The thickness of this light in part of the utility model preferred embodiment is less than the thickness of this light guide section, or the thickness of this light in part is less than the thickness of this LED light source.
The beneficial effects of the utility model are: the utility model is made slim light guide plate or is less than the light guide plate of light source thickness, make light produce diffusion effect via this microstructure, conduct in this light guide plate and the rear evenly bright dipping of reflection, can reach lifting light guide plate briliancy and reach all degree together.
The accompanying drawing explanation
Fig. 1: the schematic top plan view of the light guide plate of existing tool microstructure.
Fig. 2: the side schematic diagram of the light guide plate of existing tool microstructure.
Fig. 3: the schematic perspective view of the light guide plate of the tool microstructure of the utility model the first preferred embodiment.
Fig. 4: the light guide plate of the tool microstructure of the utility model the first preferred embodiment is in conjunction with the schematic perspective view of light source.
Fig. 5: the light guide plate of the tool microstructure of the utility model the first preferred embodiment is in conjunction with the sectional schematic diagram of light source.
Fig. 6 A to Fig. 6 F: the microstructure form schematic diagram of the light guide plate of the tool microstructure of the utility model the first preferred embodiment.
Fig. 7: the schematic perspective view of the light guide plate of the tool microstructure of the utility model the second preferred embodiment.
Fig. 8 A to Fig. 8 F: the microstructure form schematic diagram of the light guide plate of the tool microstructure of the utility model the second preferred embodiment.
Drawing reference numeral: 1,1 ', 1 ' ': light guide plate; 11: light in part; 111: inclined-plane; 12: light guide section; 2,2 ', 2 ' ': microstructure; 3,3 ', 3 ' ': LED light source; D: the thickness of light guide section; D ': the thickness of light in part; D ' ': the thickness of LED light source.
Embodiment
In order fully to understand the utility model, will exemplify hereinafter preferred embodiment and coordinate appended graphic elaborating, and it is not in order to limit the utility model.
The light guide plate of the tool microstructure of the utility model preferred embodiment can be widely used in the backlight module of slimming, lightness and narrow frame electronic product, such as: touch-control mobile phone, notebook computer, panel computer, handheld game device and liquid crystal display etc., with the thickness that reduces backlight module and the briliancy that improves backlight module, make product possess the characteristics of lightweight and high brightness, to meet consumer demand, and can promote the market competitiveness, but it is not in order to limit scope of the present utility model.
Fig. 3 discloses the schematic perspective view of light guide plate of the tool microstructure of the utility model preferred embodiment; Fig. 4 discloses the light guide plate of tool microstructure of the utility model preferred embodiment in conjunction with the schematic perspective view of light source, and it is corresponding to the schematic diagram of Fig. 3; Fig. 5 discloses the light guide plate of tool microstructure of the utility model preferred embodiment in conjunction with the sectional schematic diagram of light source, and it is corresponding to the schematic diagram of Fig. 3.Please refer to shown in Fig. 3 to Fig. 5, the light guide plate of the tool microstructure of the utility model the first preferred embodiment comprises a light guide plate 1 and several microstructure 2, and this light guide plate 1 has a light in part 11 and a light guide section 12, and this light in part 11 has an inclined-plane 111, and light can be injected for a LED light source 3 in this inclined-plane 111.
Please refer to shown in Fig. 3 to 5, the Yan Fang of stretching of this microstructure 2 Xiang the Xu of ﹝ Fig. 3 Xian ﹞ be parallel to this light guide plate 1 vertically, or for example there is in the horizontal direction a Jia Jiao ﹝ between the bearing of trend of this microstructure 2 and this light guide plate 1 vertical: 5 ° or other Jiao Du ﹞.
Referring again to shown in Fig. 3 to Fig. 5, the thickness D ' of this light in part 11 is along with the vergence direction on this inclined-plane 111 successively decreases, or the thickness D ' of this light in part 11 along with the vergence direction on this inclined-plane 111 with Jie Ti Shi ﹝ not Hui Shi ﹞ successively decrease, and complete section of the section of this light in part 11 or a part of paragraph are wedge surface, thereby complete section of this light in part 11 or a part of paragraph are a wedge type light in part, in addition, this light guide section 12 is in abutting connection with this light in part 11, and the section of this light guide section 12 is rectangular profile, thereby this light guide section 12 is a plate light guide section, and the thickness D ’ ﹝ of this light in part 11 is that vertical Hou Du ﹞ is less than the thickness D of this light guide section 12 and the thickness D ' ' of this LED light source 3, so, make slim light guide plate, to reach the lightening purpose of light guide plate.
The microstructure form schematic diagram of the light guide plate of the tool microstructure of Fig. 6 A to Fig. 6 F announcement the utility model preferred embodiment.Please refer to shown in Fig. 3 and Fig. 6 A to Fig. 6 F, this microstructure 2 adopts Machining Technology or injection molding technology to be formed on the inclined-plane 111 of this light guide plate 1, and the form of this microstructure 2 can be selected from a V-type groove, a ladder type groove, an arc groove or other shaped recesses, and this microstructure 2 is discontinuous row and is listed as ﹝ as Fig. 6 A, Fig. 6 C and Fig. 6 ﹞ that E is shown or is and connect continuous row's row ﹝ as Fig. 6 B, Fig. 6 D and Fig. 6 ﹞ that F is shown on this inclined-plane 111.
Shown in Fig. 3 and Fig. 4, this LED light source 3 is adjacent with this inclined-plane 111, and this LED light source 3 is parallel to this inclined-plane 111, when this LED light source 3 is irradiated, this LED light source 3 produces a Zhao She Mian ﹝ Wei Biao Shi ﹞ on this light guide plate 1, and this shadow surface is coupled in this inclined-plane 111, perhaps this LED light source 3 is adjusted irradiating angle according to this inclined-plane 111, so that this shadow surface is coupled in this inclined-plane 111, so, the light of this LED light source 3 can fully be injected in this light guide plate 1, to avoid the luminous energy loss of this LED light source 3.In addition, when entering this light in part 11 via this microstructure 2, the light of this LED light source 3 produces the effect of diffusion conduction, make the ray guidance of this LED light source 3 to the rear evenly bright dipping of this light guide section 12 reflection, so, can avoid the direct total reflection of light of this LED light source 3, to reach the purpose that promotes light guide plate light extraction efficiency and briliancy.
Fig. 7 discloses the schematic perspective view of light guide plate of the tool microstructure of the utility model the second preferred embodiment; The microstructure form schematic diagram of the light guide plate of the tool microstructure of Fig. 8 A to Fig. 8 F announcement the utility model the second preferred embodiment, with respect to first embodiment, this microstructure 2 of the second preferred embodiment is convexly set on this inclined-plane 111, and the form of this microstructure 2 can be selected from an A type convex body, a ladder type convex body or a circular arc convex body or other shape convex bodys, and this microstructure 2 is discontinuous row and is listed as ﹝ as Fig. 8 A, 8C and ﹞ that 8E is shown or is and connect continuous row's row ﹝ as Fig. 8 B, 8D and ﹞ that 8F is shown on this inclined-plane 111.The utility model the second preferred embodiment is not in order to limit scope of the present utility model, and all the other elements, in comparison with the first preferred embodiment, are incorporated to reference at this, will not be described in detail.
Aforementioned preferred embodiment only illustrates the utility model and technical characterictic thereof, and the technology of this embodiment still can suitably be carried out various essence equivalence modifications and/or substitute mode is implemented; Therefore, interest field of the present utility model must be looked the scope that appended claim defines and is as the criterion.
Claims (10)
1. the light guide plate of a tool microstructure, is characterized in that, it comprises:
One light guide plate, it has a light in part and a light guide section; And
Several microstructures, it is arranged on this light guide plate;
Wherein this light in part has an inclined-plane, and this microstructure is arranged on this inclined-plane, and light can be injected for a LED light source in this inclined-plane.
2. according to the light guide plate of tool microstructure claimed in claim 1, it is characterized in that, described microstructure is a V-type groove, a ladder type groove or an arc groove.
3. according to the light guide plate of tool microstructure claimed in claim 1, it is characterized in that, described microstructure is an A type convex body, a ladder type convex body or a circular arc convex body.
4. according to the light guide plate of tool microstructure claimed in claim 1, it is characterized in that, described microstructure selects Machining Technology or injection molding technology to be formed on described inclined-plane.
5. according to the light guide plate of tool microstructure claimed in claim 1, it is characterized in that, described microstructure is continuous arrangement or discontinuous arrangement.
6. according to the light guide plate of tool microstructure claimed in claim 1, it is characterized in that, the bearing of trend of described microstructure be parallel to described light guide plate vertically, or there is in the horizontal direction an angle between the bearing of trend of described microstructure and described light guide plate vertical.
7. according to the light guide plate of tool microstructure claimed in claim 1, it is characterized in that, the thickness of described light in part is along with the vergence direction on described inclined-plane successively decreases, or the thickness of described light in part successively decreases with staged along with the vergence direction on described inclined-plane.
8. according to the light guide plate of tool microstructure claimed in claim 1, it is characterized in that, complete section of described light in part or a part of paragraph are a wedge type light in part.
9. according to the light guide plate of tool microstructure claimed in claim 1, it is characterized in that, described light guide section is a plate light guide section.
10. according to the light guide plate of tool microstructure claimed in claim 1, it is characterized in that, the thickness of described light in part is less than the thickness of described light guide section, or the thickness of described light in part is less than the thickness of described LED light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203421291U CN203324502U (en) | 2013-06-14 | 2013-06-14 | Light guide plate with microstructures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203421291U CN203324502U (en) | 2013-06-14 | 2013-06-14 | Light guide plate with microstructures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203324502U true CN203324502U (en) | 2013-12-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203421291U Expired - Fee Related CN203324502U (en) | 2013-06-14 | 2013-06-14 | Light guide plate with microstructures |
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| Country | Link |
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| CN (1) | CN203324502U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105530349A (en) * | 2016-01-08 | 2016-04-27 | 珠海格力电器股份有限公司 | Key light guide structure and mobile phone |
| CN111650684A (en) * | 2019-03-04 | 2020-09-11 | 光耀科技股份有限公司 | Light guide plate |
| CN113436553A (en) * | 2021-07-14 | 2021-09-24 | 重庆道能科技有限公司 | Display panel |
-
2013
- 2013-06-14 CN CN2013203421291U patent/CN203324502U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105530349A (en) * | 2016-01-08 | 2016-04-27 | 珠海格力电器股份有限公司 | Key light guide structure and mobile phone |
| CN105530349B (en) * | 2016-01-08 | 2018-12-14 | 珠海格力电器股份有限公司 | key light guide structure and mobile phone |
| CN111650684A (en) * | 2019-03-04 | 2020-09-11 | 光耀科技股份有限公司 | Light guide plate |
| CN113436553A (en) * | 2021-07-14 | 2021-09-24 | 重庆道能科技有限公司 | Display panel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20200614 |
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| CF01 | Termination of patent right due to non-payment of annual fee |