CN205404870U - Fresnel lens array type light guide plate based on quantum dot - Google Patents
Fresnel lens array type light guide plate based on quantum dot Download PDFInfo
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- CN205404870U CN205404870U CN201620149076.5U CN201620149076U CN205404870U CN 205404870 U CN205404870 U CN 205404870U CN 201620149076 U CN201620149076 U CN 201620149076U CN 205404870 U CN205404870 U CN 205404870U
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- guide plate
- light guide
- light
- quantum dot
- fresnel lens
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- 239000002096 quantum dot Substances 0.000 title claims abstract description 31
- 230000000694 effects Effects 0.000 abstract description 3
- 235000009537 plain noodles Nutrition 0.000 abstract 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 238000002372 labelling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 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
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
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- Planar Illumination Modules (AREA)
Abstract
The utility model relates to a fresnel lens array type light guide plate based on quantum dot, its at least one side is the income plain noodles that is used for making the light incidence, plane of reflection that the upper and lower face branch of light guide plate maybe the light beam and the play plain noodles that makes the even outgoing of light, the body of light guide plate is the printing opacity body that contains the quantum dot, and is equipped with a plurality of sites on the plane of reflection, is equipped with a plurality of lenticules on a plain noodles. Fresnel lens array type light guide plate based on quantum dot not only can obtain very pure white light, can strengthen the brilliance of light in addition, utilize the lenticule to derive light its design benefit for light is concentrated in the light -emitting orientation, reaches the effect of blast simultaneously, and light changes pure white light into through the quantum dot.
Description
Technical field
This utility model relates to a kind of light guide plate, especially a kind of fresnel lens array type light guide plate based on quantum dot.
Background technology
Along with the development in epoch, the demand of electronic equipment is grown with each passing day by the mankind, thus also having driven the fast development of lcd technology.Liquid crystal indicator has the features such as low in energy consumption, volume is little, light weight, and enjoys the favor of user.Liquid crystal indicator includes display panels and backlight module, and the contiguous display panels of backlight module is arranged, for providing area source for described display panels.Generally including light source and light guide plate in backlight module, the light sent from light source enters the incidence surface of light guide plate and enters in light guide plate, via after the diffusion of light guide plate by the exiting surface outgoing of light guide plate, thus providing area source for display panels.Light guide plate is as optical module conventional in liquid crystal indicator, again because of the development of technology of quantum dots so that it becomes the focus of people's research.
Application for a patent for invention CN104763949A discloses a kind of backlight module and display device, described backlight module includes: light guide plate, the monochromater of light guide plate incident side, the grating of light guide plate exiting surface, light guide plate exiting surface quantum dot plate, the described monochromatic light after diffraction is converted to white light by described quantum dot plate.Light guide plate, grating, quantum dot plate are mechanically combined by from level to level, not only assemble trouble, and need large-area grating and quantum dot plate film, relatively costly.
Utility model content
Problem to be solved in the utility model is the deficiency overcoming prior art to exist, it is provided that a kind of fresnel lens array type light guide plate based on quantum dot.
Concrete scheme is as follows:
A kind of fresnel lens array type light guide plate based on quantum dot, at least one side of light guide plate is the incidence surface for making light, the upper and lower plate face of light guide plate is the reflecting surface of reflection light and the exiting surface making uniform light outgoing respectively, the body of light guide plate is the transparent body containing quantum dot, the reflecting surface of described light guide plate is provided with multiple site, the exiting surface of described light guide plate is provided with multiple microlens structure.
Further, described lenticule is the arc dignity of the exiting surface evagination of relative light guide plate.
Further, described lenticule is part sphere face or part elliptical dignity.
Further, described lenticule is array distribution on exiting surface.
Further, described site is on the reflecting surface in array distribution.
Further, within described site is positioned at lenticular orthographic projection scope, and in each lenticular orthographic projection, has at least a site.
Fresnel lens array type light guide plate based on quantum dot described in the utility model is possible not only to obtain very pure white light, and the briliancy of light can be strengthened, its design utilizes lens arrangement to derive light dexterously, lenticule makes light concentrate on light direction, reaching the effect of blast, light is changed into pure white light through quantum dot simultaneously.Lenticule, quantum dot are combined by the fresnel lens array type light guide plate based on quantum dot described in the utility model dexterously with light guide plate, save space, reduce cost.
Accompanying drawing explanation
Fig. 1 is the light conducting plate structure schematic diagram that this utility model embodiment 1 provides；
Fig. 2 is the top view of the light guide plate that this utility model embodiment 1 provides；
Fig. 3 is the structural representation of the light guide plate that this utility model embodiment 2 provides.
Wherein, 1 is light source, 2 be incidence surface, 3 be reflecting surface, 4 for exiting surface, 10 is light guide plate, and 20 is lenticule, and 30 is site, and 40 is quantum dot.
Detailed description of the invention
Below in conjunction with drawings and Examples, technical solutions of the utility model being further elaborated, present embodiment can have different forms and be not understood as limited to explanation set forth herein.Accompanying drawing labelling identical in literary composition represents identical element all the time, and similar accompanying drawing labelling represents similar element.
Embodiment 1:
A kind of fresnel lens array type light guide plate based on quantum dot, as it is shown in figure 1, this light guide plate 10 material is Merlon, generally rectangular shape, is positioned at light source 1 side, and light guide plate includes incidence surface 2, reflecting surface 3 and exiting surface 4.The body of light guide plate is the transparent body containing red light quantum point, green light quantum point and blue light quantum point quantum dot 40, and incidence surface 2 closes on light source, and exiting surface 4 is paralleled with reflecting surface 3.Reflecting surface 3 is provided with site 30, exiting surface 4 arranges lenticule 20, light enters after light guide plate 10 through incidence surface 2, it is changed into pure white light through quantum dot 40, white light incides on reflecting surface 3, reflect at site 30 place of reflecting surface 3, collect at light direction through lenticule 20 after arriving the lenticule 20 of exiting surface.
Further, lenticule 20 at light guide plate 10 exiting surface 4 is matrix distribution, as shown in Figure 2, light source 1 emits beam and enters light guide plate 10 through incidence surface 2, is changed into pure white light through quantum dot 40, and white light incides on reflecting surface 3, reflect at site 30 place of reflecting surface 3, arrive the lenticule 20 of exiting surface 4 afterwards, by microlens array, light is concentrated on light direction, reach the effect of blast.
The present embodiment is illustrative of, this utility model is not limited to this kind of structure, those skilled in the art it should be appreciated that, light guide plate can also be other materials, such as polymethyl methacrylate, the lenticule that exiting surface is provided with can also be other structures and arrangement, and has at least a site in each lenticular orthographic projection, within site is positioned at lenticular orthographic projection scope.
Embodiment 2:
The present embodiment is substantially the same manner as Example 1, is different in that, this light guide plate 10 is provided with 2 incidence surfaces 2, as it is shown on figure 3, the light that the light guide plate 10 of this kind of structure sends is brighter；Meanwhile, the structure of lenticule 20 is ellipsoid.
Although above it has been shown and described that embodiment of the present utility model, it is understandable that, above-described embodiment is illustrative of, it is not intended that to restriction of the present utility model, above-described embodiment can be changed in scope of the present utility model when without departing from principle of the present utility model and objective, revises, replace and modification by those of ordinary skill in the art.
Claims (6)
1. the fresnel lens array type light guide plate based on quantum dot, at least one side of light guide plate is the incidence surface for making light, the upper and lower plate face of light guide plate is the reflecting surface of reflection light and the exiting surface making uniform light outgoing respectively, it is characterized in that: the body of light guide plate is the transparent body containing quantum dot, the reflecting surface of described light guide plate is provided with multiple site, the exiting surface of described light guide plate is provided with multiple lenticule.
2. a kind of fresnel lens array type light guide plate based on quantum dot according to claim 1, it is characterised in that: described lenticule is the arc dignity of the exiting surface evagination of relative light guide plate.
3. a kind of fresnel lens array type light guide plate based on quantum dot according to claim 1 and 2, it is characterised in that: described lenticule is part sphere face or part elliptical dignity.
4. a kind of fresnel lens array type light guide plate based on quantum dot according to claim 1, it is characterised in that: described lenticule is array distribution on exiting surface.
5. a kind of fresnel lens array type light guide plate based on quantum dot according to claim 1, it is characterised in that: described site is on the reflecting surface in array distribution.
6. a kind of fresnel lens array type light guide plate based on quantum dot according to claim 1, it is characterised in that: within described site is positioned at lenticular orthographic projection scope, and in each lenticular orthographic projection, have at least a site.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620149076.5U CN205404870U (en) | 2016-02-29 | 2016-02-29 | Fresnel lens array type light guide plate based on quantum dot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620149076.5U CN205404870U (en) | 2016-02-29 | 2016-02-29 | Fresnel lens array type light guide plate based on quantum dot |
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| Publication Number | Publication Date |
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| CN205404870U true CN205404870U (en) | 2016-07-27 |
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| CN201620149076.5U Active CN205404870U (en) | 2016-02-29 | 2016-02-29 | Fresnel lens array type light guide plate based on quantum dot |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018137313A1 (en) * | 2017-01-25 | 2018-08-02 | 深圳市绎立锐光科技开发有限公司 | Light source device |
| CN108873147A (en) * | 2018-06-25 | 2018-11-23 | 福州大学 | A kind of quantum dot light guide plate and preparation method thereof |
| CN113514982A (en) * | 2021-04-12 | 2021-10-19 | 惠州市华星光电技术有限公司 | Quantum dot lens and backlight module |
-
2016
- 2016-02-29 CN CN201620149076.5U patent/CN205404870U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018137313A1 (en) * | 2017-01-25 | 2018-08-02 | 深圳市绎立锐光科技开发有限公司 | Light source device |
| CN108361566A (en) * | 2017-01-25 | 2018-08-03 | 深圳市绎立锐光科技开发有限公司 | A kind of light supply apparatus |
| CN108873147A (en) * | 2018-06-25 | 2018-11-23 | 福州大学 | A kind of quantum dot light guide plate and preparation method thereof |
| CN108873147B (en) * | 2018-06-25 | 2019-09-13 | 福州大学 | A kind of quantum dot light guide plate and preparation method thereof |
| CN113514982A (en) * | 2021-04-12 | 2021-10-19 | 惠州市华星光电技术有限公司 | Quantum dot lens and backlight module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A light guide plate with Fresnel lens array based on quantum dots Effective date of registration: 20200818 Granted publication date: 20160727 Pledgee: Xiamen finance Company limited by guarantee Pledgor: XIAMEN YIJINLU TECHNOLOGY Co.,Ltd. Registration number: Y2020980005106 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210915 Granted publication date: 20160727 Pledgee: Xiamen finance Company limited by guarantee Pledgor: XIAMEN YIJINLU TECHNOLOGY Co.,Ltd. Registration number: Y2020980005106 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Fresnel lens array light guide plate based on quantum dots Effective date of registration: 20210924 Granted publication date: 20160727 Pledgee: Bank of China Limited by Share Ltd. Xiamen branch Pledgor: XIAMEN YIJINLU TECHNOLOGY Co.,Ltd. Registration number: Y2021980009793 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20160727 Pledgee: Bank of China Limited by Share Ltd. Xiamen branch Pledgor: XIAMEN YIJINLU TECHNOLOGY CO.,LTD. Registration number: Y2021980009793 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Fresnel lens array light guide plate based on quantum dots Granted publication date: 20160727 Pledgee: Bank of China Limited Xiamen Xiang'an sub branch Pledgor: XIAMEN YIJINLU TECHNOLOGY CO.,LTD. Registration number: Y2024980035143 |