CN105954925A - Side-in type backlight module and liquid crystal display device - Google Patents
Side-in type backlight module and liquid crystal display device Download PDFInfo
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- CN105954925A CN105954925A CN201610400057.XA CN201610400057A CN105954925A CN 105954925 A CN105954925 A CN 105954925A CN 201610400057 A CN201610400057 A CN 201610400057A CN 105954925 A CN105954925 A CN 105954925A
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- light source
- guide plate
- light guide
- locating dowel
- protuberance
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
Abstract
The invention relates to a side-in type backlight module which comprises a backboard, a light guide board, a light source and a heat radiation board. The light guide board and the heat radiation board are both arranged on the backboard. The light source is arranged on the heat radiation plate and at one side of the backboard. The backboard is provided with locating columns for locating the light guide board. Protruding parts protruding towards the outer side are arranged on the two sides, adjacent to the light source, of the light guide plate. The side faces, away from the light source, of the protruding parts are inclined faces inclining towards the light source. The side face, close to the light source, of each protruding part is a plane supported on the locating column on the same side. An inclination angle of 10-45 degrees is formed between the side face, away from the light source, of each protruding part and the plane where the plane perpendicular to the light source is located at the end, close to the light source, of the side face away from the light source, of each protruding part. According to the side-in type backlight module, the problem about bright spots of the locating columns can be solved, and the overall reliability of the side-in type backlight module can be improved.
Description
Technical field
The present invention relates to field of liquid crystal display, relate more specifically to a kind of side entrance back module and liquid crystal indicator.
Background technology
Side entering type product (such as, side entrance back module) in display device is important display unit, and its function is well-off brightness and the light source being evenly distributed, and makes the normal show image of liquid crystal indicator energy.Backlight module is divided into side entering type and straight-down negative according to entering light mode difference.Side entrance back module being generally included to the parts compositions such as backboard, light source, light guide plate and liquid crystal panel, light source is arranged on backboard by heat sink, and the light that light source sends is entered in liquid crystal panel by light guide plate.
For in liberal supply and uniform brightness, and avoid light guide plate to move, in side entering type product light guide plate location the many employings of mode offer on light guide plate 1 U-type groove mouth 4 coordinate on backboard 5 rivet locating dowel 2 position.See Fig. 1 to Fig. 3, the structural representation of its side entrance back module illustrated in prior art in liquid crystal indicator, side entrance back module includes light guide plate 1, backboard 5, light source 6 and heat sink 9, light guide plate 1 and heat sink 9 are arranged on backboard 5, light source 6 is arranged on heat sink 9 and at the lower side of backboard 5, light guide plate 1 offers U-type groove mouth 4 at the two vertical sides near light source 6, and left vertically side side vertical with the right side is symmetrical arranged.Therefore Fig. 2 only illustrates the light guide plate 1 location on the vertical side in the right side, backboard 5 is provided with for positioning light guide plate 1 and the locating dowel 2 coordinated with U-type groove mouth 4, is used for limiting light guide plate about 1 and moving to the left or to the right.This locating dowel 2 can be riveted on backboard 5, and support maybe can be utilized to be arranged on backboard 5.In FIG, U-type groove mouth 4 progressively mills out for small-sized milling cutter, rough surface, such as the printing net-point on light guide plate 1, when the locating dowel 2 being positioned in U-type groove mouth is nearer apart from viewing area 7, can produce locating dowel 2 speck, affect visual effect and Consumer's Experience.See Fig. 3, at the sky lateral extent light source 6 relative with light source 4 farther out, therefore, U-type groove mouth 4 is used to coordinate locating dowel 2 to position light guide plate 1, will not at U-type groove mouth 4 light concentrate, cause locating dowel 2 speck problem, the locating dowel 2 at side, sky coordinate U-type groove mouth 4 limit light guide plate 1 upwards and left and right location.
For solving this speck problem, the schemes such as the design of early stage many employings optimizing mesh point of light guide, attaching black PET solve, but optimizing mesh point of light guide design can only weaken speck phenomenon, attach black PET and can reduce production efficiency and the problem being easily introduced speckle brightness unevenness, the problem causing can not fundamentally solving locating dowel speck, affect side entrance back module illumination effect and reliability, and then affect the visual effect of liquid crystal indicator, reduce Consumer's Experience.
Summary of the invention
The present invention provides a kind of side entrance back module and liquid crystal indicator, it is possible to resolve locating dowel speck problem, improves illumination effect and the reliability of side entrance back module, and then the visual effect of raising liquid crystal indicator, and Consumer's Experience.
nullA kind of side entrance back module，Including backboard、Light guide plate、Light source and heat sink，Described light guide plate and heat sink are arranged on described backboard，It is characterized in that，Described light source is arranged on the side on described heat sink and on described backboard，The locating dowel for positioning described light guide plate it is provided with on described backboard，It is provided with, on the dual-side adjacent with described light source of described light guide plate, the protuberance protruded laterally，The one side away from described light source of described protuberance is the inclined-plane towards described light source incline，The one side of the close described light source of described protuberance is the plane being supported in locating dowel described in homonymy，The end of close light source at the one side away from described light source of described protuberance，The one side away from described light source of described protuberance forms the angle of inclination of 10 °-45 ° with the plane being perpendicular to light source place plane.
With reference to the composite factor such as milling cutter length, milling cutter stroke and back cover outward appearance, in order to ensure light guide plate uniform in light emission, the one side away from described light source of described protuberance the described locating dowel 30-50cm apart of one end and its homonymy of close light source.
Further, described angle of inclination is 12 °.
Further, described light source is LED.
Away from light source place farther out, light is not concentrated and is not likely to produce locating dowel speck problem, offers the U-type groove mouth coordinated with described locating dowel on the side relative with described light source of described light guide plate.
In order to absorb the thermal expansion amount that light guide plate causes because being heated, it is to avoid light conducting board from deformation or rupture, described locating dowel is cased with elastic washer.
Further, described elastic washer is silica gel or rubber.
For absorbing the cushion space that thermal expansion amount provides certain, described elastic washer lateral surface is dentation.
nullThe invention still further relates to a kind of liquid crystal indicator，Including side entrance back module，It is characterized in that，Described side entrance back module includes backboard、Light guide plate、Light source and heat sink，Described light guide plate and heat sink are arranged on described backboard，It is characterized in that，Described light source is arranged on the side on described heat sink and on described backboard，The locating dowel for positioning described light guide plate it is provided with on described backboard，It is provided with, on the dual-side adjacent with described light source of described light guide plate, the protuberance protruded laterally，The one side away from described light source of described protuberance is the inclined-plane towards described light source incline，The one side of the close described light source of described protuberance is the plane being supported in locating dowel described in homonymy，The end of close light source at the one side away from described light source of described protuberance，The one side away from described light source of described protuberance forms the angle of inclination of 10 °-45 ° with the plane being perpendicular to light source place plane.
nullThe side entrance back module of present invention offer and liquid crystal indicator，Light source is arranged on the side on backboard，Locating dowel it is provided with on backboard，When the light sent from light source impinges upon on light guide plate，The protuberance protruded laterally it is provided with on dual-side adjacent with light source on light guide plate，Wherein protuberance is the inclined-plane towards light source incline away from the one side of light source，The one side of the close light source of protuberance is the plane being supported in homonymy locating dowel，When this plane coordinates location light guide plate with locating dowel，Due to locating dowel only with this plane contact of protuberance，Light will not be concentrated at this plane，Avoid producing speck at the locating dowel of this plane contact，And the end of close light source of the one side away from light source at protuberance，The one side away from light source of protuberance forms the angle of inclination of 10 °-45 ° with the plane being perpendicular to light source place plane，Reasonably angle of inclination ensures rational optical density at dual-side，Thus ensure uniform in light emission at the dual-side of light guide plate，Reduce the light at dual-side further to concentrate，Solve locating dowel speck problem，Form preferably light guide effect，Improve the global reliability of side entrance back module，And then improve the visual effect of liquid crystal indicator，And Consumer's Experience.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of liquid crystal indicator in prior art；
Fig. 2 is the enlarged diagram of part A in Fig. 1；
Fig. 3 is the enlarged diagram of part B in Fig. 1；
Fig. 4 is the structural representation of a kind of embodiment of liquid crystal indicator of the present invention；
Fig. 5 is the enlarged diagram of C portion in Fig. 4；
Fig. 6 is the enlarged diagram of D part in Fig. 4.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
nullFor solving locating dowel 2 speck problem，The present embodiment relates to a kind of side entrance back module，See Fig. 4 to Fig. 6，Including backboard 5、Light guide plate 1、Light source 6 and heat sink 9，Light guide plate 1 and heat sink 9 are arranged on backboard 5，Light source 6 is arranged on the side on heat sink 9 and on backboard 5，The locating dowel 2 for positioning light guide plate 1 it is provided with on backboard 5，The protuberance 10 protruded laterally it is provided with on the dual-side adjacent with light source 6 of light guide plate 1，The one side away from light source 6 of protuberance 10 is the inclined-plane tilted towards light source 6，The one side of the close light source 6 of protuberance 10 is the plane being supported in homonymy locating dowel 2，The end of close light source 6 at the one side away from light source 6 of protuberance 10，The one side away from light source 6 of protuberance 10 forms the angle of inclination of 10 °-45 ° with the plane being perpendicular to light source 6 place plane.
Specifically, see Fig. 5, in the present embodiment, light source 6 is arranged on the lower side of backboard 5, protuberance 10 is arranged on two vertical sides of light guide plate, the scarf of protuberance 10 becomes the skewed slot 3 between the vertical surface of the protuberance 10 that the end of the vertical side at light guide plate 1 and the close light source 6 on inclined-plane docks with inclined-plane, the angle of inclination that acute angle is 10 °-45 ° is formed between skewed slot 3 and the vertical surface of protuberance 10, this plane of protuberance 10 forms L-type notch 8 with the vertical side of light guide plate 1, it is positioned in L-type notch 8 for supporting the locating dowel 2 of this plane.In the present embodiment, comparison diagram 2 and Fig. 5, in Fig. 2, the two vertical sides at light guide plate 1 are provided with the U-type groove mouth 4 coordinated with locating dowel 2, and in Figure 5, the two vertical sides at light guide plate 1 are provided with the L-type notch 8 coordinated with locating dowel 2, the most only illustrate the light guide plate 1 location on the vertical side in the right side, are used for limiting light guide plate 1 and downwards and move right, left vertically side and the vertical side in the right side are symmetrically arranged, are used for limiting light guide plate 1 and downwards and are moved to the left.In technique, L-type notch 8 between protuberance 10 and vertically side together can be milled out with light guide plate 1 periphery by milling cutter, keep consistent low roughness, and in L-type notch 8, when this plane of protuberance 10 coordinates location light guide plate with locating dowel 2, due to locating dowel 2 only with this plane contact of protuberance 10, light will not be concentrated at L-type notch 8, it is to avoid light is concentrated and caused producing locating dowel 2 speck at L-type notch 8.In order to ensure guide-lighting quality, in the case of ensureing that light guide plate 1 positions reliably, locating dowel 2 is as far away from viewing area 7, in practice, locating dowel 2 is apart from the distance of viewing area 7, need to consider two aspects: the border width of side entrance back module and the expansion rate of light guide plate 1, in the case of the expansion clearance ensureing light guide plate 1 abundance, locating dowel 2 is far as possible from viewing area 7.In practice, needing the gap considering light guide plate 1 with light source 6, in the present embodiment, this light source 6 is LED, if gap is too small between light guide plate 1 and light source 6, can owing to light source 6 caloric value is relatively big roastingization light guide plate 1 or be vulnerable to shock damage light source 6；If excesssive gap, the brightness of light guide plate 1 can be caused to leak to outside from gap, cause luminance loss so that manufacturing cost increases, therefore gap length two aspects of consideration of light guide plate 1 and light source 6: the machining tolerance of light guide plate 1 and the expansion rate of light guide plate 1.In theory, locating dowel 2 is apart from light source 6 apart from the least, and dilation dimension and the machining tolerance of light guide plate 1 are the least, advantageously ensure that the gap length between light guide plate 1 and light source 6.But locating dowel 2 is the least with the distance of light source 6, and locating dowel 2 speck is the most serious.Therefore, in actual production, cut ability, light guide plate 1 material and subjective effect according to producer and consider.
In the present embodiment, in conjunction with coordinating of L-type notch 8 and locating dowel 2, utilize light simulation softward Trace Pro that light is simulated at the beam angle of two vertical sides and is analyzed, the effect of locating dowel 2 speck according to the observation, end at the close light source 6 on the inclined-plane of protuberance 10, inclined-plane forms the angle of inclination of 10 °-45 ° with vertical plane, this angle of inclination ensures more uniform optical density at dual-side, thus at the dual-side of light guide plate uniform in light emission, reduce light at dual-side further and concentrate.Further, in 10 ° of-45 ° of intervals through too much wheel segmentation interval contrast test one by one, simulation, preferably angle of inclination be optical density when 12 ° be 45 ° of optical density much smaller than angle of inclination, solve locating dowel 2 speck problem.
Further, according to practical situation, the composite factors such as the back cover outward appearance with reference to milling cutter length, milling cutter stroke and side entrance back module, for guaranteeing the light-out effect of the dual-side of adjacent light source 6, the locating dowel 2 of one end of the close light source 6 of the one side away from light source 6 of protuberance 10 and its homonymy is at a distance of 30-50cm.In the present embodiment, the position lowermost end of skewed slot 3 and the locating dowel 2 of its homonymy are at a distance of 30-50cm.
Further, in order to make light guide plate 1 accurate positioning and be difficult to rotate, locating dowel 2 should be evenly arranged as far as possible, the most in the present embodiment, the side relative with light source 6 away from the light guide plate 1 of light source 6 offers the U-type groove mouth 4 coordinated with locating dowel 2, this locating dowel 2 can be riveted on backboard 5, or utilizes support to be arranged on backboard 5.U-type groove mouth 4 apart from light source 6 farther out, will cause light to concentrate at the groove angle of U-type groove mouth 4, thus without producing locating dowel 2 speck problem as above.Locating dowel 2 is arranged in U-type groove mouth 4, limits light guide plate 1 and upwards and move left and right.
Further, in order to absorb the thermal expansion amount that light guide plate 1 causes because being heated, it is to avoid light guide plate 1 deforms or ruptures, and locating dowel 2 is cased with elastic washer (not shown).Side entrance back die set light source 6 operationally can distribute heat, make light guide plate 1 heat up and thermal expansion, owing to locating dowel 2 is made up of rigid material, not there is resiliency, following problem may be caused: the harmomegathus amount of light guide plate 1 cannot be fully absorbed, and easily causes the warpage of light guide plate 1, deformation；Light guide plate 1 and locating dowel 2 are rigid contact, be easily caused light guide plate 1 and rupture when being clashed into.The elastic washer being enclosed within locating dowel 2 relies on the elasticity of self can be that light guide plate 1 provides certain cushion space.Preferably, elastic washer is silica gel or rubber and further, elastic washer lateral surface is dentation.Lateral surface is that the elastic washer circle cushion space of dentation is bigger, can fully absorb the harmomegathus amount of light guide plate 1.
nullThe side entrance back module that the present embodiment provides，Light source 6 is arranged on the side on backboard 5，Locating dowel 2 it is provided with on backboard 5，When the light sent from light source 6 impinges upon on light guide plate 1，The protuberance 10 protruded laterally it is provided with on dual-side adjacent with light source 6 on light guide plate 1，Wherein protuberance 10 is the inclined-plane tilted towards light source 6 away from the one side of light source 6，The one side of the close light source 6 of protuberance 10 is the plane being supported in homonymy locating dowel 2，When this plane coordinates location light guide plate 1 with locating dowel 2，Due to locating dowel 2 only with this plane contact of protuberance 10，Light will not be concentrated at this plane，And then avoid producing speck at the locating dowel 2 of this plane contact，And the end of close light source 6 of the one side away from light source 6 at protuberance 10，The one side away from light source 6 of protuberance 20 forms the angle of inclination of 10 °-45 ° with the plane being perpendicular to light source 6 place plane，Reasonably angle of inclination ensures rational optical density at dual-side，Thus ensure uniform in light emission at the dual-side of light guide plate 1，Reduce the light at dual-side further to concentrate，Solve locating dowel 2 speck problem，Form preferably light guide effect，Improve the global reliability of side entrance back module.
The invention still further relates to a kind of liquid crystal indicator, including side entrance back module as above.
nullThe liquid crystal indicator that the present invention provides，Light source 6 is arranged on the side on backboard 5，Locating dowel 2 it is provided with on backboard 5，When the light sent from light source 6 impinges upon on light guide plate 1，The protuberance 10 protruded laterally it is provided with on dual-side adjacent with light source 6 on light guide plate 1，Wherein protuberance 10 is the inclined-plane tilted towards light source 6 away from the one side of light source 6，The one side of the close light source 6 of protuberance 10 is the plane being supported in homonymy locating dowel 2，When this plane coordinates location light guide plate 1 with locating dowel 2，Due to locating dowel 2 only with this plane contact of protuberance 10，Light will not be concentrated at this plane，And then avoid producing speck at the locating dowel 2 of this plane contact，And the end of close light source 6 of the one side away from light source 6 at protuberance 10，The one side away from light source 6 of protuberance 20 forms the angle of inclination of 10 °-45 ° with the plane being perpendicular to light source 6 place plane，Reasonably angle of inclination ensures rational optical density at dual-side，Thus ensure uniform in light emission at the dual-side of light guide plate 1，Reduce the light at dual-side further to concentrate，Solve locating dowel 2 speck problem，Form preferably light guide effect，Improve the global reliability of side entrance back module，，And then improve the visual effect of liquid crystal display，Improve Consumer's Experience.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
- null1. a side entrance back module，Including backboard、Light guide plate、Light source and heat sink，Described light guide plate and heat sink are arranged on described backboard，It is characterized in that，Described light source is arranged on the side on described heat sink and on described backboard，The locating dowel for positioning described light guide plate it is provided with on described backboard，It is provided with, on the dual-side adjacent with described light source of described light guide plate, the protuberance protruded laterally，The one side away from described light source of described protuberance is the inclined-plane towards described light source incline，The one side of the close described light source of described protuberance is the plane being supported in locating dowel described in homonymy，The end of close light source at the one side away from described light source of described protuberance，The one side away from described light source of described protuberance forms the angle of inclination of 10 °-45 ° with the plane being perpendicular to light source place plane.
- Side entrance back module the most according to claim 1, it is characterised in that the one side away from described light source of described protuberance the described locating dowel of one end and its homonymy of close light source at a distance of 30-50cm.
- Side entrance back module the most according to claim 2, it is characterised in that described angle of inclination is 12 °.
- 4. according to the side entrance back module according to any one of claim 1-3, it is characterised in that described light source is LED.
- Side entrance back module the most according to claim 1, it is characterised in that offer the U-type groove mouth coordinated with described locating dowel on the side relative with described light source of described light guide plate.
- 6. according to the side entrance back module according to any one of claim 1-3, it is characterised in that be cased with elastic washer in described locating dowel.
- Side entrance back module the most according to claim 6, it is characterised in that described elastic washer is silica gel or rubber.
- Side entrance back module the most according to claim 6, it is characterised in that described elastic washer lateral surface is dentation.
- 9. a liquid crystal indicator, it is characterised in that include the side entrance back module according to any one of claim 1-8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610400057.XA CN105954925A (en) | 2016-06-08 | 2016-06-08 | Side-in type backlight module and liquid crystal display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610400057.XA CN105954925A (en) | 2016-06-08 | 2016-06-08 | Side-in type backlight module and liquid crystal display device |
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| CN105954925A true CN105954925A (en) | 2016-09-21 |
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| CN204176478U (en) * | 2014-11-26 | 2015-02-25 | 京东方科技集团股份有限公司 | A kind of light guide plate locating dowel, backlight module and display unit |
| CN204313128U (en) * | 2014-12-25 | 2015-05-06 | 创维液晶器件(深圳)有限公司 | Side entrance back module and liquid crystal indicator |
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Application publication date: 20160921 |