CN205404871U - Grating type light guide plate based on quantum dot - Google Patents
Grating type light guide plate based on quantum dot Download PDFInfo
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- CN205404871U CN205404871U CN201620150355.3U CN201620150355U CN205404871U CN 205404871 U CN205404871 U CN 205404871U CN 201620150355 U CN201620150355 U CN 201620150355U CN 205404871 U CN205404871 U CN 205404871U
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Abstract
The utility model relates to a grating type light guide plate based on quantum dot, at least one side of light guide plate is the income plain noodles that makes 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 this light guide plate is the printing opacity body that contains the quantum dot the play plain noodles of light guide plate on be equipped with a plurality of sites, every site all is equipped with raster structure. Grating 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 raster structure to derive light its design benefit, raster structure's diffraction makes light concentrate in the light -emitting orientation, reaches the effect of blast simultaneously, 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 grating 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.It not only assembles trouble, and needs large-area grating and quantum dot plate film by light guide plate, grating, combine layer by layer quantum dot trigger tool, 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 grating type light guide plate based on quantum dot.
Concrete scheme is as follows:
A kind of grating type light guide plate based on quantum dot, at least one side of light guide plate is the incidence surface 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, being provided with multiple site on the exiting surface of described light guide plate, each site is equipped with optical grating construction.
Further, described optical grating construction has and is spaced and parallel multiple rectangular recess.
Further, the optical grating construction at described site place is all and arranges in the same direction.
Further, described site is array distribution on exiting surface.
Grating 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 optical grating construction to derive light dexterously, the diffraction of optical grating construction makes light concentrate on light direction, reaching the effect of blast, light quantum dot in light guide plate is changed into pure white light simultaneously.Optical grating construction, quantum dot are combined in light guide plate surface by the grating type light guide plate based on quantum dot described in the utility model dexterously, save space, reduce cost, have and promote the use value.
Accompanying drawing explanation
Fig. 1 is the light conducting plate structure schematic diagram that this utility model embodiment 1 provides；
Fig. 2 is the light guide plate top view that this utility model embodiment 1 provides；
Fig. 3 is the site partial enlarged drawing that this utility model embodiment 1 provides；
Fig. 4 is the light guide plate top view 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 site, and 30 is optical grating construction, 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 grating type light guide plate based on quantum dot, as shown in Figure 1, this light guide plate 10 is the transparent body doped with red light quantum point, green light quantum point and blue light quantum point 40, Base Material is polymethyl methacrylate, generally rectangular shape, being positioned at light source 1 side, light guide plate includes incidence surface 2, reflecting surface 3 and exiting surface 4, and wherein exiting surface 4 and reflecting surface 3 are parallel to each other.Light is after incidence surface 2 enters light guide plate, and light is changed into pure white light through quantum dot 40, and a portion reaches exiting surface 4, and a part arrives reflecting surface 3, directive light direction after reflecting surface 3 reflects.
Further, it is provided with site 20 at light guide plate exiting surface 4 place, site 20 is in matrix distribution, as in figure 2 it is shown, light source 1 emits beam enters light guide plate through incidence surface 2, incide reflecting surface 3 and reflect, incide raster of dots structure 30 place, optical grating construction is as it is shown on figure 3, optical grating construction 30 has is spaced and parallel multiple rectangular recess, and optical grating construction is all and arranges in the same direction.Light is derived through optical grating construction 30, and optical grating construction makes light generation diffraction, and concentrates on light direction, and reflection light entered multiple reflections, also concentrates on light direction, reach the effect of blast after grating.
Although in the present embodiment, light guide plate exiting surface arranges cylindric site, but this utility model is not limited to this kind of structure, those skilled in the art are it will be appreciated that light guide plate can also be other materials, such as Merlon, the site that exiting surface is provided with can also be other shapes, and in array distribution.
Embodiment 2:
The present embodiment is substantially the same manner as Example 1, is different in that, in embodiment 1, cross section, light guide plate exiting surface site 20 is circular, and cross section, the present embodiment site 20 is square, and site is array distribution, as shown in Figure 4.
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 (4)
1. the grating type light guide plate based on quantum dot, at least one side of light guide plate is the incidence surface 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, being provided with multiple site on the exiting surface of described light guide plate, each site is equipped with optical grating construction.
2. a kind of grating type light guide plate based on quantum dot according to claim 1, it is characterised in that: described optical grating construction has and is spaced and parallel multiple rectangular recess.
3. a kind of grating type light guide plate based on quantum dot according to claim 1, it is characterised in that: the optical grating construction at described site place is all and arranges in the same direction.
4. a kind of grating type light guide plate based on quantum dot according to claim 1, it is characterised in that: described site is array distribution on exiting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620150355.3U CN205404871U (en) | 2016-02-29 | 2016-02-29 | Grating type light guide plate based on quantum dot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201620150355.3U CN205404871U (en) | 2016-02-29 | 2016-02-29 | Grating type light guide plate based on quantum dot |
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| CN205404871U true CN205404871U (en) | 2016-07-27 |
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| CN201620150355.3U Active CN205404871U (en) | 2016-02-29 | 2016-02-29 | Grating type light guide plate based on quantum dot |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106338861A (en) * | 2016-10-28 | 2017-01-18 | 奥英光电（苏州）有限公司 | The backlight module and liquid crystal display |
| CN109541738A (en) * | 2018-11-12 | 2019-03-29 | 合肥京东方光电科技有限公司 | Light guide plate and preparation method thereof, backlight module, display device |
| CN109790969A (en) * | 2016-10-05 | 2019-05-21 | 镭亚股份有限公司 | Polarized backlight body and the backlit display for using it |
| CN114002883A (en) * | 2021-11-26 | 2022-02-01 | 深圳康佳电子科技有限公司 | Quantum dot light guide plate and backlight display module |
-
2016
- 2016-02-29 CN CN201620150355.3U patent/CN205404871U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109790969A (en) * | 2016-10-05 | 2019-05-21 | 镭亚股份有限公司 | Polarized backlight body and the backlit display for using it |
| US10955704B2 (en) | 2016-10-05 | 2021-03-23 | Leia Inc. | Polarized backlight and backlit display using the same |
| CN109790969B (en) * | 2016-10-05 | 2024-07-09 | 镭亚股份有限公司 | Polarized backlight and backlight type display using the same |
| CN106338861A (en) * | 2016-10-28 | 2017-01-18 | 奥英光电（苏州）有限公司 | The backlight module and liquid crystal display |
| CN109541738A (en) * | 2018-11-12 | 2019-03-29 | 合肥京东方光电科技有限公司 | Light guide plate and preparation method thereof, backlight module, display device |
| US10921506B2 (en) | 2018-11-12 | 2021-02-16 | Hefei Boe Optoelectronics Technology Co., Ltd. | Light guide plate, method of fabricating light guide plate, backlight module, display device |
| CN114002883A (en) * | 2021-11-26 | 2022-02-01 | 深圳康佳电子科技有限公司 | Quantum dot light guide plate and backlight display module |
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