CN202757067U - Light guide plate (LGP) positioning column and rear panel and backlight module - Google Patents
Light guide plate (LGP) positioning column and rear panel and backlight module Download PDFInfo
- Publication number
- CN202757067U CN202757067U CN 201220417413 CN201220417413U CN202757067U CN 202757067 U CN202757067 U CN 202757067U CN 201220417413 CN201220417413 CN 201220417413 CN 201220417413 U CN201220417413 U CN 201220417413U CN 202757067 U CN202757067 U CN 202757067U
- Authority
- CN
- China
- Prior art keywords
- lgp
- locating dowel
- backboard
- backlight module
- supporter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Planar Illumination Modules (AREA)
Abstract
The utility model discloses a light guide plate (LGP) positioning column, a rear panel and a backlight module. The LGP positioning column, the rear panel and the backlight module is designed to solve the problems that bright specks, dark specks or abnormal noises can be caused by existing LGP positioning columns. The LGP positioning column comprise a supporting body and a light equalizing part, wherein the light equalizing part is formed by flexible polymer materials and arranged on the outer side of the supporting body. The rear panel comprises a plurality of LGP positioning columns. The backlight module comprises at least the rear panel and the light guide plate (LGP) arranged in the rear panel and positioning concave grooves or positioning holes are arranged in positions, corresponding to the positions of the LGP positioning columns, of the LGP and matched with the LGP positioning columns. The LGP positioning columns are arranged in the positioning concave grooves or in the positioning holes. The LGP positioning column, the rear panel and the backlight module have the advantages of being simple in structure, easy to achieve and capable of successfully solving the problem of the bright specks without bringing about other harmful effects such as the dark specks or the abnormal noise.
Description
Technical field
The utility model relates to a kind of LGP locating dowel, backboard and backlight module.
Background technology
In existing technology, the locating dowel of LGP is generally the metal locating dowel, and the surface is the primary colors of metal (being generally silvery white or canescence).Because smooth, the Cheng Liang in metal surface has stronger reflection function, when forming backlight module, can cause locating dowel near brightness strengthen, form the speck that brightness has notable difference with periphery, cause the colourity of backlight module uneven.
In order to address the above problem, two kinds of methods are arranged generally:
1, as in the LGP locating dowel described in the issued patents ZL201020558360.0, makes its surperficial blacking by plating.Although the method has been eliminated speck, meanwhile because having very strong absorption effects, the black electrodeposited coating on LGP locating dowel surface caused near the brightness of the brightness ratio surrounding area of locating dowel low, so formed blackening.Electric plating method not only so that the technological process of production of LGP locating dowel is complicated, and has increased the pollution to environment in addition;
Comprehensive as can be known above-mentioned, although said method can be used for solving the speck problem, caused simultaneously other bad phenomenon.So invent and a kind ofly can solve the speck problem can not cause again the LGP locating dowel of other bad phenomenon be very necessary.
The utility model content
The utility model provides a kind of LGP locating dowel, backboard and backlight module that can solve the speck problem and can not cause other bad phenomenon.
For reaching above-mentioned purpose, the utility model LGP locating dowel comprises supporter, is provided with the even light parts that are made of the soft polymer material in the described supporter outside.
Further, described even light parts are that color is the pipe box of white, grey or black, and with described supporter tight fit.
Further, the outer surface of described supporter is provided with some projections.
Further, described supporter is rectangular, semicircle, the circular or oval-shaped column structure in cross section.
For reaching above-mentioned purpose, the utility model backboard comprises several LGP locating dowels, and described LGP locating dowel is above-mentioned LGP locating dowel.
Preferably, described LGP locating dowel is positioned at all sides of described backboard; Described supporter is the bulge-structure with described backboard synchronous forming.
Preferably, described bulge-structure is for the flange that forms through panel beating bending or through formed in mould convex.
For reaching above-mentioned purpose, the utility model backlight module, at least comprise backboard and the LGP that is positioned at backboard, described backboard is above-mentioned backboard, offering detent or the locating hole suitable with described LGP locating dowel with described LGP locating dowel opposite position on the described LGP, described LGP locating dowel is positioned at described detent or described locating hole.
Particularly, described LGP side forms semicircular detent to inner opening; Described LGP locating dowel comprise one with the suitable circular curved surface of described semicircular detent.
Particularly, described backlight module also comprises light-emitting component, and described light-emitting component is CCFL or LED, is fixed on the described backboard, and is positioned at the side of described LGP.
The beneficial effect of the utility model LGP locating dowel, backboard and backlight module:
1, the utility model LGP locating dowel, at least comprise two parts, be arranged on by described LGP locating dowel supporter the outside by the soft polymer material consist of even light parts (since polymeric material with respect to the metal reflective effect a little less than, and simultaneously with respect to a little less than the black electrodeposited coating absorption effects) effectively solve the problem of speck and do not cause the blackspot phenomenon.
2, the utility model LGP locating dowel, being made of the soft polymer material of the outside that is arranged on supporter by described LGP locating dowel spared the light parts, do not increase the gap between LGP detent or locating hole and the LGP locating dowel, thereby do not weaken the positioning action of locating dowel, can not produce the abnormal sound and the light conducting plate cracking problem that form because of excesssive gap simultaneously; Because even light parts are made of flexible material, also can cushion collision dynamics between both collisions even collision between LGP and the locating dowel occurred in addition, thereby reduce the breakage of LGP.
3, the utility model LGP locating dowel will be spared the light parts and will be arranged to sleeve pipe structure, have simple in structurely, easy to assembly, and at supporter the projection that increases frictional force will be set, and can effectively stop the relative sliding of pipe box and described supporter.
4, the utility model backboard, LGP locating dowel are LGP locating dowel described in the utility model, thereby have the advantage that LGP locating dowel described in the utility model has.
5, the utility model backboard, supporter is with the flange of backboard moulding or convex, replaced in the conventional method, the respectively moulding of LGP locating dowel and backboard, again by riveted or the structure that is threaded, it is few to have had procedure of processing, and the Stability Analysis of Structures phenomenon that can not occur coming off because of slight collision.
6, the utility model backlight module, the backlight module that adopts the utility model backboard to form, the blackening that the speck that the reflection action that can not produce because of the LGP locating dowel is caused or absorption effects cause or different sound etc. are bad, and have simple in structure, constitutionally stable characteristics.
7, the utility model backlight module, be arranged to the detent on the LGP semicircular, the LGP locating dowel comprise one with the suitable circular curved surface of described semicircular detent, during the LGP move left and right, the LGP locating dowel is slided along the curved surface that described semicircle detent forms, reduced the different sound that relative motion causes, and the active force during collision is dispersed to whole contact-making surface, the momentum of collision reduces in the unit are, thereby can effectively avoid the breakage of LGP and split.
8, the utility model backlight module, the light-emitting component of employing can be that CCFL (cold cathode fluorescent lamp pipe) is also in the side entrance back module such as LED (Light-Emitting Diode).
Description of drawings
Fig. 1 is the structural representation of embodiment one described LGP locating dowel;
Fig. 2 is the perspective view of the described LGP locating dowel of Fig. 1;
Fig. 3 is the structural representation of embodiment two described LGP locating dowels;
Fig. 4 is embodiment three described back board structure schematic diagrames;
Fig. 5 is embodiment four described backboard partial top view;
Fig. 6 is the front view of Fig. 5;
Fig. 7 is embodiment five described convex structural representations;
Fig. 8 is embodiment six described back light module unit structure schematic diagrames;
Fig. 9 is one of embodiment seven described back light module unit structure schematic diagrames;
Figure 10 is two of embodiment seven described back light module unit structure schematic diagrames;
Figure 11 is embodiment eight described back light module unit structure schematic diagrames.
The specific embodiment
Below in conjunction with Figure of description the utility model is further described.
Backlight module is divided into straight-down negative and side entering type, and the die set light source of side entering type is positioned at the side, need to be by LGP with light from a side transmission opposite side, and light changed direction upwards propagate.The LGP locating dowel is used for limiting the parts of LGP displacement for being positioned on the backboard.
Embodiment one:
Such as Fig. 1-shown in Figure 2, this enforcement LGP locating dowel comprises supporter 1 and even light parts 2; Described even light parts are made of the soft polymer material, are arranged on described supporter 1 outside.
The structure that the described LGP locating dowel of present embodiment adopts at least two parts to form, and the speck problem that can effectively solve that consists of for the soft polymer material between even light a century does not cause the blackening phenomenon.Described soft polymer material can be that the materials such as PE (polyethylene), PP (polypropylene), PET (poly-and ethylene diester), silica gel or rubber are soft and have certain flexible polymeric material.
Because surface of polymer material does not have the smooth and Cheng Liang of metal, thereby thereby the brightness of the weak LGP locating dowel place of reflection action part can be not larger than surrounding area brightness, thus successful solution the speck problem that causes of independent metal guide tabula rasa locating dowel.
Meanwhile, the described even light parts of present embodiment are compared and the electrodeposited coating described in the patent ZL201020558360.0, can not produce strong extinction effect and cause occurring the blackening phenomenon.Not have simultaneously plating loaded down with trivial details like this and easily cause the operation of environmental pollution yet, realize easier, quick.
With respect to by dwindling the LGP locating dowel to reduce the method for reflex, the described LGP locating dowel of present embodiment does not change its size, move or transportation in, can not affect the positioning action of LGP, can not cause that LGP and locating dowel gap are excessive to be caused mutually collision and cause the phenomenon of abnormal sound; Do not change owing to gap length simultaneously, the minimizing that the momentum of relative displacement also can be relative, in collision process, the severe degree of collision will reduce also can effectively alleviate the abnormal sound phenomenon, and the LGP that simultaneously minimizing collision causes splits and is damaged.
Described even light parts are soft polymeric material, select soft polymeric material, the even light parts in the collision process present slowly soft distortion mutually, have prolonged the time that collision occurs, thereby cause colliding reducing of instantaneous impulse, thereby can reduce the LGP breakage and split.
Described supporter is generally column structure, and cross sectional shape can be that rectangle, semicircle, circle or figure are circular, can also can be the plastics of hard for metal in material.In the concrete implementation process, the material of supporter and shape can be selected as required.Above-mentioned shape all is common regular shape, and in concrete production process, molding is easy, and it is convenient to produce.
Further, in order to make the better effects if of described even light parts uniform luminance, color preferred white, grey and the black of common described soft polymer material.Find that by a large amount of experiments and checking it is the most obvious that above-mentioned three kinds of colors are used for solving the speck phenomenon effect that the LGP locating dowel brings, other are bad can not cause blackening etc. simultaneously.
Described even light parts can be bonded in the first-class mode of described supporter by adhesive and be connected with described supporter.Described supporter can be that whole side is provided with even light parts, also can be only to be provided with even light parts in the part relative with LGP.
And this implements the form that described even light parts are made into pipe box, adopts friction tight connected mode (being the outer warp that the pipe box internal diameter is slightly less than described supporter).In the process of processing, only need pipe box is enclosed within the assembling of namely having finished the LGP locating dowel on the described supporter, realize simple, convenient, fast.
Supporter diameter as described is the cylinder of 3mm, and described pipe box is that external diameter is 4mm, and internal diameter is the black PET pipe box of 2.9mm.Described supporter is positioned at described PET pipe box, and described pipe box is strutted by described supporter and expands outwardly distortion, and is close to described supporter, Stability Analysis of Structures.
Embodiment two:
As shown in Figure 3, present embodiment LGP locating dowel comprises supporter 1 and even light parts 2; Described even light parts 1 are arranged on the described supporter outside, the pipe box that is consisted of by the soft polymer material, and described supporter 1 is provided with the striped 3 of some projections.
If supporter 1 is then general smooth surface of metal, and the pipe box inside that the soft polymer materials such as rubber, silica gel form also is very smooth, frictional force so between the two is with less.In use for some time, perhaps the elastic force of described pipe box has reduced or after structure worn out, pipe box will be subject to External Force Acting comparatively easily and come off, in order to prevent the disengaging of pipe box, projection is set to increase the roughness of supporting body surface on the surface of supporter, thereby increase the friction factor between pipe box and the supporter, thereby can play the phenomenon that prevents that pipe box breaks away from, structure is more stable.
The shape of described projection can be striated described in present embodiment, can be crooked screw thread, also can be random other textures or simple salient point and groove etc.
Embodiment three:
As shown in Figure 4, present embodiment backboard 4 comprises 6 LGP locating dowels 5, and described LGP locating dowel 5 is arbitrary described LGP locating dowel in example one or the example two.The supporter of described LGP locating dowel other parts by screw thread and backboard are connected or rivet or be welded on other parts of backboard.
How much can deciding according to the size of backboard of LGP locating dowel on the described backboard.Usually the backboard size is large, and the number of corresponding LGP locating dowel is also named many.LGP locating dowel such as 31.5 inches backboards can be set to 4, and the LGP locating dowel of 56.5 inches backboard can be 6 or 8.
The described backboard of present embodiment, the LGP locating dowel is arranged to LGP locating dowel described in the utility model, can effectively improve existing backboard and adopt the metal locating dowel or manifest or the blackening phenomenon with the speck that the locating dowel of electrodeposited coating causes, thereby and the size that does not change the LGP locating dowel can not cause the bad of different sound because of LGP locating dowel and LGP gap are excessive.
Embodiment four:
Such as Fig. 5-shown in Figure 6, present embodiment backboard 4, the supporter of described LGP locating dowel are with the flange 6 of other parts of backboard through the panel beating bending forming.Label 7 is for being arranged on the even light parts outside the supporter among Fig. 5 and Fig. 6; Wherein label 8 is dug the openwork part of formation for backboard part when forming flange is stamped.
As use the inferior plumbous galvanized steel plain sheet of the thick SECC electrolysis of 1mm, at need LGP locating dowel place is set, formed a high 5mm by cutting punching, the flange 6 of wide 5mm uses in the outside of flange 6 that internal diameter is wide to be 4.5mm, thick 0.8mm, the height silica gel pipe box as the grey of 5mm.
Employing with other part moulding of backboard, has processing simply, the advantage of stable connection with supporter.Screw connection among the employing embodiment three or riveted connect or are welded to connect, produce the time, backboard be transported to assembling producer from manufacturer, from the process of the production line of warehouse delivery, unavoidable strong vibrations and collision occur, cause the supporter backboard that comes off then to do over again.
And present embodiment is one-body molded with supporter and other parts of backboard, stable connection, and deformation occurred and only need just can restore to the original state by the effect of the mechanical stresses such as manual or pliers, it is also relatively convenient to keep in repair, thereby has reduced production and maintenance cost.
Embodiment five:
The present embodiment backboard comprises the LGP locating dowel.Described LGP locating dowel comprises supporter and even light parts; Described supporter is to be formed by the convex on the backboard.The structure of described convex is shown in label among Fig. 79.Described convex forms with other part punching presses of backboard, has Stability Analysis of Structures, the simple characteristics of moulding.Described convex 9 cross sections are streamlined, have reduced the many deficiencies of extrusion fracture that cause because of violent bending in punching course.
Comprehensive embodiment five and embodiment six indications, the LGP locating dowel on the utility model backboard can be the bulge-structure that forms with other part one deduction types of backboard.Described bulge-structure has formed the supporter described in the embodiment one to embodiment three, is installed to and has just consisted of the LGP plate locating dowel that can eliminate speck and blackening on the described bulge-structure will sparing the light parts in the process of assembling.
Embodiment six:
The present embodiment backlight module comprises backboard 4 and LGP 10 at least, any backboard 4 described in the described backboard embodiment 4 to embodiment 5, and described backboard 4 comprises 4 LGP locating dowels 501 that are positioned at two long limits; The opposite position of described LGP 10 at described LGP locating dowel 501 places offers the locating hole 101 suitable with described LGP locating dowel 501, and described LGP locating dowel 501 is positioned at the described locating hole 101 of deciding.
LGP locating dowel 501 is for the motion of the left, right, front and rear four direction that limits described LGP 10.Described LGP locating dowel is for implementing one to embodiment three kind of arbitrary described LGP locating dowel, by the even light parts that consisted of by the soft polymer material, speck phenomenon or blackening phenomenon that existing LGP locating dowel causes can have effectively been solved, the colourity that has guaranteed backlight module is even, has promoted the quality of backlight module.
Embodiment seven:
As shown in Figure 9, the present embodiment backlight module comprises backboard described in the utility model and the LGP that is positioned at backboard, and described backboard is provided with 6 LGP locating dowels; Described LGP offers 6 detents 102 accordingly in described LGP locating dowel position in the lateral.Described LGP is generally the typical high light penetrating copolymer material composition such as PMMA polymethyl methacrylate or PC Merlon.
The described detent 102 of present embodiment is different with respect to locating hole 101 processing modes described in the embodiment six.Because locating hole 101 is to be positioned to have formed a horizontal direction blind bore on the LGP, can adopt the modes such as punching press in the process.And detent described in the present embodiment 102 be LGP from the side opening be recessed to form to the inside groove, can adopt common cutting method to get final product.
Comprehensive embodiment six and embodiment seven are as can be known, at least two kinds on the structure of LGP locating dowel be used for to be installed on the LGP, a kind of is locating hole, described LGP locating dowel is passed from described locating hole, another kind is detent, in assembling time,, the LGP locating dowel can pass described detent from the bottom to top, also can from the opening part of detent inwardly card and.
Embodiment eight:
As shown in figure 10, the present embodiment backlight module comprises backboard described in the utility model and the LGP that is positioned at backboard.Described backboard is provided with 6 LGP locating dowels; Described LGP locating dowel comprises a circular curved surface that vertically arranges and a plane that vertically arranges; Described LGP offers 6 semicircular detents 103 accordingly in described LGP locating dowel position in the lateral.The circular curved surface of described LGP locating dowel and described detent 103 suitable (be the curvature of described circular curved surface equate with the curvature of described oblate detent or close), and described circular curved surface is towards described LGP centre position.
Adopt above-mentioned design, at first LGP is in described detent 103 interior slips in the move left and right process, contact area is large, interaction force is dispersed to various piece on the contact-making surface, thereby interactional pressure is little, it is little that the momentum of collision is dispersed to the sound that thereby collision forms on the whole contact-making surface, effectively reduced different sound.
Secondly, even if LGP with the LGP locating dowel strong collision phenomenon occurs, thereby also active force can well be disperseed the breakage that the minimizing LGP causes because of the collision with the LGP locating dowel and split.
Embodiment nine:
As shown in figure 11, the present embodiment backlight module comprises backboard, LGP and light-emitting component 11; Backboard is positioned at the most beneath, and LGP is positioned at described backboard, and a side and LGP that light-emitting component 11 is fixed on described backboard are positioned at same plane.
The light that light-emitting component 11 sends enters in the described LGP from the side of LGP, and a series of total reflection of generation in LGP, thereby light can be transferred to opposite side from a side, the external LGP of side front also is evenly distributed with some diaphanous spots, light is upwards propagated from described diaphanous spot, thus with light transmission in the liquid crystal panel such as LCD TV.Light can be evenly distributed in the plane of whole backlight module by LGP, rather than concentrate on place, light-emitting component 11 places.
Described backboard is backboard described in the utility model, and the LGP locating dowel on the backboard is the locating dowel that is comprised of supporter and even light parts in the utility model, and described supporter is bending flange or the convex with other part moulding of backboard.
Described light-emitting component is LED light emitting diode or CCFL cold-cathode fluorescence lamp.Light-emitting component can directly be fixed on the described backboard, also can be fixed on first on the cooling stand, cooling stand is fixed on the backboard again.
In concrete production implementation process, need to reserve suitable gap between the detent on described LGP locating dowel and the LGP or the locating hole, to be used for the LGP after the accommodating expansion that causes because of variations in temperature enlarges.Particularly the material of LGP all is again the relatively large materials of thermal coefficient of expansion such as PMMA or PC generally.
Suitable gap seems very important from the foregoing, described gap LGP warpage will cause temperature to raise the time too small or very close to each other, and it is bad to form look uneven and large-scale waving (bright dark ripple) etc.; If excesssive gap will cause different sound and collision in the LGP displacement process.
The described backlight module of present embodiment, the scope of application extensively comprise in computer, LCD TV, panel computer and the mobile phone, especially are fit in large-sized LCD TV, the computer.
More than; it only is preferred embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claim was defined.
Claims (10)
1. a LGP locating dowel is characterized in that, described LGP locating dowel comprises supporter, is provided with the even light parts that are made of the soft polymer material in the described supporter outside.
2. LGP locating dowel according to claim 1 is characterized in that, described even light parts are that color is the pipe box of white, grey or black, and with described supporter tight fit.
3. LGP locating dowel according to claim 2 is characterized in that, the outer surface of described supporter is provided with some projections.
4. LGP according to claim 1 locates, and it is characterized in that, described supporter is rectangular, semicircle, the circular or oval-shaped column structure in cross section.
5. a backboard comprises several LGP locating dowels, it is characterized in that, described LGP locating dowel is each described LGP locating dowel of claim 1-4.
6. backboard according to claim 5 is characterized in that, described LGP locating dowel is positioned at all sides of described backboard; Described supporter is the bulge-structure with described backboard synchronous forming.
7. backboard according to claim 6 is characterized in that, described bulge-structure is for the flange that forms through panel beating bending or through formed in mould convex.
8. backlight module, at least comprise backboard and the LGP that is positioned at backboard, it is characterized in that, described backboard is each described backboard of claim 5-7, offering detent or the locating hole suitable with described LGP locating dowel with described LGP locating dowel opposite position on the described LGP, described LGP locating dowel is positioned at described detent or locating hole.
9. backlight module according to claim 8 is characterized in that, described LGP side forms semicircular detent to inner opening; Described LGP locating dowel comprise one with the suitable circular curved surface of described semicircular detent.
10. according to the backlight module of claim described 8, it is characterized in that described backlight module also comprises light-emitting component, described light-emitting component is CCFL or LED, is fixed on the described backboard, and is positioned at the side of described LGP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220417413 CN202757067U (en) | 2012-08-22 | 2012-08-22 | Light guide plate (LGP) positioning column and rear panel and backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220417413 CN202757067U (en) | 2012-08-22 | 2012-08-22 | Light guide plate (LGP) positioning column and rear panel and backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202757067U true CN202757067U (en) | 2013-02-27 |
Family
ID=47736247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220417413 Expired - Fee Related CN202757067U (en) | 2012-08-22 | 2012-08-22 | Light guide plate (LGP) positioning column and rear panel and backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202757067U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994405A (en) * | 2014-06-13 | 2014-08-20 | 于雯雯 | Light guide plate installing structure |
| CN105042425A (en) * | 2015-08-11 | 2015-11-11 | 青岛海信电器股份有限公司 | Display device |
| WO2018090899A1 (en) * | 2016-11-17 | 2018-05-24 | 京东方科技集团股份有限公司 | Backlight module and display module |
| WO2018126675A1 (en) * | 2017-01-05 | 2018-07-12 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN104464557B (en) * | 2013-09-24 | 2019-07-12 | 夏展敏 | A kind of edge shows the scheme integrated with liquid crystal display |
| CN112285820A (en) * | 2019-07-25 | 2021-01-29 | 苏州维旺科技有限公司 | Unconventional light guide plate mold core and manufacturing method and application thereof |
-
2012
- 2012-08-22 CN CN 201220417413 patent/CN202757067U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104464557B (en) * | 2013-09-24 | 2019-07-12 | 夏展敏 | A kind of edge shows the scheme integrated with liquid crystal display |
| CN103994405A (en) * | 2014-06-13 | 2014-08-20 | 于雯雯 | Light guide plate installing structure |
| CN105042425A (en) * | 2015-08-11 | 2015-11-11 | 青岛海信电器股份有限公司 | Display device |
| WO2018090899A1 (en) * | 2016-11-17 | 2018-05-24 | 京东方科技集团股份有限公司 | Backlight module and display module |
| US10725233B2 (en) | 2016-11-17 | 2020-07-28 | Boe Technology Group Co., Ltd. | Backlight module and display module |
| WO2018126675A1 (en) * | 2017-01-05 | 2018-07-12 | 京东方科技集团股份有限公司 | Backlight module and display device |
| US10502892B2 (en) | 2017-01-05 | 2019-12-10 | Boe Technology Group Co., Ltd. | Backlight module and display device |
| CN112285820A (en) * | 2019-07-25 | 2021-01-29 | 苏州维旺科技有限公司 | Unconventional light guide plate mold core and manufacturing method and application thereof |
| CN112285820B (en) * | 2019-07-25 | 2023-06-27 | 苏州维旺科技有限公司 | Unconventional light guide plate mold core and manufacturing method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202757067U (en) | Light guide plate (LGP) positioning column and rear panel and backlight module | |
| CN201555153U (en) | Uniform high-brightness side-light type backlight source | |
| US7513634B2 (en) | Structure of planar illuminator | |
| CN102606960A (en) | Backlight module | |
| US20130342789A1 (en) | Backlight module and liquid crystal display | |
| CN203797465U (en) | Backlight module and display device | |
| CN103090271A (en) | Novel straight down type backlight module and liquid crystal display television (LCD TV) | |
| CN202676940U (en) | Light guide plate, lateral entering type backlight module, and liquid crystal display device | |
| CN102620193A (en) | Sectional light emitting diode (LED) backlight module and liquid crystal display device | |
| CN108291696A (en) | A kind of flat lamp | |
| CN203224639U (en) | Long-life light guide plate | |
| US20130050831A1 (en) | Light guide plate and manufacturing method thereof | |
| CN203431608U (en) | Direct lighting type backlight module, liquid crystal display and liquid crystal television | |
| CN202484901U (en) | Light guide plate and back plate assembly, backlight assembly and liquid crystal display piece | |
| CN201973601U (en) | Novel backlight module | |
| CN104614801A (en) | Lateral-entrance backlight module and lateral-entrance light guide plate | |
| CN205450511U (en) | LED LCD module | |
| CN202600176U (en) | Light guiding plate, backlight module and liquid crystal display | |
| CN102523407A (en) | LED (Light emitting diode) back plate with smooth convex hull at back surface and production method thereof | |
| CN202834995U (en) | Flexible backlight module structure | |
| CN207301567U (en) | Backlight module, liquid crystal display module and terminal equipment | |
| CN202598313U (en) | Backlight module, liquid crystal display and liquid crystal display television | |
| CN210835513U (en) | Brand-new direct type backlight structure cavity structure | |
| CN202494800U (en) | Light guide plate, backlight and display device | |
| CN204740364U (en) | Optical element and lighting device |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20200822 |