CN105137525A - Light guide plate, side-incoming type backlight module group, liquid crystal display, and mobile terminal - Google Patents
Light guide plate, side-incoming type backlight module group, liquid crystal display, and mobile terminal Download PDFInfo
- Publication number
- CN105137525A CN105137525A CN201510489010.0A CN201510489010A CN105137525A CN 105137525 A CN105137525 A CN 105137525A CN 201510489010 A CN201510489010 A CN 201510489010A CN 105137525 A CN105137525 A CN 105137525A
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- China
- Prior art keywords
- light guide
- guide plate
- reflecting layer
- guide section
- liquid crystal
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention provides a light guide plate, and the light guide plate is provided with at least one two-side reflection layer. The two-side reflection layer enables a light outgoing surface of the light guide plate to be divided into a plurality of regions. Through the above mode, the light guide plate achieves the brightness partitioning and regional brightness independent control of a side-incoming type backlight module group, so as to achieve higher light isolation degree at lower cost. Moreover, the light guide plate can effectively reduce the power consumption of the liquid crystal display and prolongs the standby time and service life of the mobile terminal. The invention also provides the side-incoming type backlight module group, the liquid crystal display and a mobile terminal, which all employs the light guide plate.
Description
Technical field
The present invention relates to field of liquid crystal display, particularly relate to the design of the light guide plate in side entrance back module, also relate to a kind of liquid crystal display and the mobile terminal that are configured with this side entrance back module.
Background technology
Liquid crystal indicator (LCD, LiquidCrystalDisplay) has the many merits such as fuselage is thin, radiationless, is widely used.Liquid crystal indicator major part on existing market is backlight liquid crystal indicator, and it comprises liquid crystal panel and backlight module (BacklightModule).Because liquid crystal panel itself is not luminous, the light source provided by backlight module is needed to carry out normal show image, therefore, one of backlight module key part and component becoming liquid crystal indicator.
Backlight module is divided into side entrance back module and down straight aphototropism mode set two kinds according to the difference of light source incidence position.Down straight aphototropism mode set is by illuminating source such as ColdCathodeFluorescentLamp (CCFL, cathodouminescence fluorescent tube) or LightEmittingDiode (LED, light emitting diode) be arranged on liquid crystal panel rear, direct forming surface light source is supplied to liquid crystal panel.And side entrance back module is back plate edges backlight LED lamp bar being located at liquid crystal panel proceeds posterolateral, the light that LED lamp bar sends enters light guide plate from the incidence surface of light guide plate side, penetrate from light guide plate exiting surface after reflection and diffusion, via optical diaphragm group, be supplied to display panels with forming surface light source.
Low-power consumption is a trend of current liquid crystal display device development, particularly in mobile terminal display, such as, in mobile phone/panel computer, the display device of low-power consumption can extend rear standby and service time of once charging, bring better facility to user, and power consumption, economize energy can be reduced.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of light guide plate that can realize brightness subregion reduction power consumption, and be configured with the liquid crystal display module of this light guide plate, side entrance back module, liquid crystal display and mobile terminal, the problem of backlight power wastage can be solved.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of light guide plate, be provided with at least one double-sided reflecting layer, the exiting surface of light guide plate is divided into several subregion by double-sided reflecting layer.
Wherein, light guide plate is divided into the subregion of several area equation by double-sided reflecting layer.
Wherein, light guide plate is divided into the unequal subregion of several area by double-sided reflecting layer.
Wherein, light guide plate comprises the first light guide section and the second light guide section, and double-sided reflecting layer is pasted between the first light guide section and the second light guide section.
Wherein, light guide plate comprises the first light guide section and second light guide section of separation, and the side of double-sided reflecting layer is pasted on the first light guide section, and the second light guide section is pasted on the opposite side of double-sided reflecting layer.
Wherein, the first light guide section and second light guide section of light guide plate are one-body molded, and light guide plate offers a slit, and double-sided reflecting layer is inserted in slit.
Wherein, double-sided reflecting layer surface is provided with optical microstructures, and the reflecting material of double-sided reflecting layer is silver, aluminium or nickel.
For solving the problems of the technologies described above, another technical solution used in the present invention is: provide a kind of side entrance back module, it is characterized in that, comprise backboard, the backlight be located in backboard, the light guide plate be arranged at corresponding to backlight in backboard, wherein, light guide plate is above-mentioned light guide plate.
For solving the problems of the technologies described above, another technical scheme that the present invention adopts is: provide a kind of liquid crystal display, comprise above-mentioned side entrance back module.
For solving the problems of the technologies described above, another technical scheme that the present invention adopts is: provide a kind of mobile terminal, comprise above-mentioned side entrance back module.
The invention has the beneficial effects as follows: the situation being different from prior art, the exiting surface of light guide plate is divided into several subregion by the double-sided reflecting layer of light guide plate provided by the invention, the brightness subregion and the regional luminance that achieve side entrance back module independently control, realize higher light isolation with low cost, and effectively can reduce the power consumption of liquid crystal display and extend the standby of mobile terminal and service time.
Accompanying drawing explanation
Fig. 1 is the inner structure rough schematic view of light guide plate first embodiment of the present invention;
Fig. 2 is the inner structure rough schematic view of the second embodiment of light guide plate of the present invention;
Fig. 3 is the inner structure rough schematic view of the 3rd embodiment of light guide plate of the present invention;
Fig. 4 is the inner structure rough schematic view of backlight module of the present invention;
Fig. 5 is the schematic diagram of liquid crystal display of the present invention;
Fig. 6 is the schematic diagram of mobile terminal of the present invention.
Embodiment
Below in conjunction with drawings and embodiments, the present invention is described in detail.
Consult Fig. 1, the invention provides a kind of light guide plate 10, which is provided with a two-sided reflection horizon 12, the exiting surface of light guide plate 12 is divided into two subregions 14 by double-sided reflecting layer 12.In the present embodiment, two subregion 14 area equation.
This two subregion 14 is respectively the first light guide section 140 and the second light guide section 150.This double-sided reflecting layer 12 is pasted between the first light guide section 140 and the second light guide section 150.In the present embodiment, this double-sided reflecting layer 12 is by first side 142 of sticking double faced adhesive tape in the first light guide section 140, and the first side 152 of this second light guide section 150 is pasted on this double-sided reflecting layer 12 and is positioned at the first side 142 of this first light guide section 140.Second side 144 of this first light guide section 140 and the second side 154 of this second light guide section 150 are respectively towards the backlight 301,302 of both sides.In other embodiments, the first light guide section 140 of light guide plate 12 and the second light guide section 150 one-body molded, a slit is offered at the middle part of light guide plate 12 straight down, and this double-sided reflecting layer 12 is inserted in described slit.Further, the surface of double-sided reflecting layer 12 can be provided with optical microstructures further, such as bump structure or pyramidal structure, for strengthening light reflect/scatter effect.In the present embodiment, the reflecting material of double-sided reflecting layer 12 can be silver, aluminium or nickel.
When needs use Zone Full, open two backlights 301,302, double-sided reflecting layer 12 and side-edge type backlight 301,302 acting in conjunction, the first light guide section 140 and the uniform brightness of the second light guide section 150 are provided.When only needing use one side region, during as the first light guide section 140, only need open backlight 301, under the effect of double-sided reflecting layer 12, provide the first light guide section 140 uniform backlight illumination, and the second light guide section 150 being still dark-state.
Fig. 2 is the second embodiment of light guide plate 10 of the present invention, wherein the first light guide section 140 and the second light guide section 150 area unequal.
Fig. 3 is the 3rd embodiment of light guide plate 10 of the present invention, wherein, light guide plate 10 comprises two spaced double-sided reflecting layers 12, light guide plate 10 is divided into unequal three subregions 14 of area by this two double-sided reflectings layer 12, and these three subregions 14 are respectively the first light guide section 140, second light guide section 150 and the 3rd light guide section 160 between the first light guide section 140 and the second light guide section 150.Wherein this two double-sided reflectings layer 12 is close to the both sides of the first light guide section 140 and the second light guide section 150 in the 3rd light guide section 160 respectively by sticking double faced adhesive tape, and this first light guide section 140 and the second light guide section 150 are pasted on the both sides of the 3rd light guide section 160 respectively.Second side 144 of this first light guide section 140 and the second side 154 of this second light guide section 150 are respectively towards the backlight 301,302 of both sides.In addition, the side 164 of the 3rd light guide section 160 this first light guide section 140 non-adjacent and the second light guide section 150 is towards another backlight 303.
Refer to Fig. 4, the present invention also provides a kind of side entrance back module 200, comprises backboard 50, the backlight 30 be located in backboard 50, to be arranged at the light guide plate 10 in backboard 50 and to be located at the reflector plate 180 of light guide plate 10 bottom surface and to be located at the optical diaphragm group 190 of light guide plate 10 end face corresponding to backlight 30.Side entrance back module 200 of the present invention have employed the light guide plate 10 of any one embodiment above-mentioned, realizes its brightness subregion and regional luminance independently controls, and then realizes higher light isolation with low cost.
Refer to Fig. 5, the present invention also provides a kind of liquid crystal display 500, comprises above-mentioned backlight module 200.
Refer to Fig. 6, the present invention also provides a kind of mobile terminal 600, comprises above-mentioned backlight module 200.
Compared with prior art, be provided with double-sided reflecting layer in light guide plate provided by the invention and the exiting surface of light guide plate is divided into several subregion, the brightness subregion and the regional luminance that achieve side entrance back module independently control, realize higher light isolation with low cost, and the power consumption extending that effectively can reduce backlight module adopts the liquid crystal display of this backlight module or the standby of mobile terminal and service time.
These are only embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a light guide plate, is characterized in that, is provided with at least one double-sided reflecting layer, and the exiting surface of described light guide plate is divided into several subregion by described double-sided reflecting layer.
2. light guide plate according to claim 1, is characterized in that, described light guide plate is divided into the subregion of several area equation by described double-sided reflecting layer.
3. light guide plate according to claim 1, is characterized in that, described light guide plate is divided into the unequal subregion of several area by described double-sided reflecting layer.
4. light guide plate according to claim 1, is characterized in that, described light guide plate comprises the first light guide section and the second light guide section, and described double-sided reflecting layer is arranged between described first light guide section and the second light guide section.
5. light guide plate according to claim 4, it is characterized in that, described light guide plate comprises the first light guide section and second light guide section of separation, and the side of described double-sided reflecting layer is pasted on described first light guide section, and described second light guide section is pasted on the opposite side of described double-sided reflecting layer.
6. light guide plate according to claim 1, is characterized in that, the first light guide section and second light guide section of described light guide plate are one-body molded, and described light guide plate offers a slit, and described double-sided reflecting layer is inserted in described slit.
7. light guide plate according to claim 1, is characterized in that, described double-sided reflecting layer surface is provided with optical microstructures, and the reflecting material of described double-sided reflecting layer is silver, aluminium or nickel.
8. a side entrance back module, is characterized in that, comprises backboard, the backlight be located in backboard, the light guide plate be arranged at corresponding to backlight in backboard, and wherein, described light guide plate is the light guide plate described in any one of claim 1-7.
9. a liquid crystal display, is characterized in that, comprises side entrance back module according to claim 8.
10. a mobile terminal, is characterized in that, comprises side entrance back module according to claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510489010.0A CN105137525A (en) | 2015-08-11 | 2015-08-11 | Light guide plate, side-incoming type backlight module group, liquid crystal display, and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510489010.0A CN105137525A (en) | 2015-08-11 | 2015-08-11 | Light guide plate, side-incoming type backlight module group, liquid crystal display, and mobile terminal |
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| Publication Number | Publication Date |
|---|---|
| CN105137525A true CN105137525A (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510489010.0A Pending CN105137525A (en) | 2015-08-11 | 2015-08-11 | Light guide plate, side-incoming type backlight module group, liquid crystal display, and mobile terminal |
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| CN (1) | CN105137525A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717574A (en) * | 2016-04-12 | 2016-06-29 | 深圳市华星光电技术有限公司 | Double-faced display device and light guide plate and backlight source thereof |
| CN105954926A (en) * | 2016-06-08 | 2016-09-21 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display device |
| US10732452B2 (en) | 2018-01-15 | 2020-08-04 | Au Optronics Corporation | Display device |
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| CN203336370U (en) * | 2013-06-25 | 2013-12-11 | 深圳市建滔科技有限公司 | Multi-color-zone color changeable LED backlight product |
| CN103912827A (en) * | 2014-04-04 | 2014-07-09 | 京东方科技集团股份有限公司 | Backlight source, liquid crystal display panel and liquid crystal display device |
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2015
- 2015-08-11 CN CN201510489010.0A patent/CN105137525A/en active Pending
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| CN2586182Y (en) * | 2002-12-20 | 2003-11-12 | 明基电通股份有限公司 | Displaying device and its light conductive assembly |
| CN101865390A (en) * | 2010-06-17 | 2010-10-20 | 深圳市华星光电技术有限公司 | Backlight module and display device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717574A (en) * | 2016-04-12 | 2016-06-29 | 深圳市华星光电技术有限公司 | Double-faced display device and light guide plate and backlight source thereof |
| WO2017177504A1 (en) * | 2016-04-12 | 2017-10-19 | 深圳市华星光电技术有限公司 | Double-sided display device and light guide plate and backlight source thereof |
| CN105717574B (en) * | 2016-04-12 | 2018-11-23 | 深圳市华星光电技术有限公司 | A kind of double-side display device and its light guide plate and backlight |
| CN105954926A (en) * | 2016-06-08 | 2016-09-21 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN105954926B (en) * | 2016-06-08 | 2019-03-12 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display device |
| US10732452B2 (en) | 2018-01-15 | 2020-08-04 | Au Optronics Corporation | Display device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151209 |
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| RJ01 | Rejection of invention patent application after publication |