CN103090323B - Diaphragm location structure and backlight module thereof - Google Patents
Diaphragm location structure and backlight module thereof Download PDFInfo
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- CN103090323B CN103090323B CN201310037670.6A CN201310037670A CN103090323B CN 103090323 B CN103090323 B CN 103090323B CN 201310037670 A CN201310037670 A CN 201310037670A CN 103090323 B CN103090323 B CN 103090323B
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- positioning
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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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- 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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame
-
- 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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133322—Mechanical guidance or alignment of LCD panel support components
-
- 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
Abstract
The open diaphragm location structure of the present invention and backlight module thereof.This location structure is used for the location of diaphragm, diaphragm has at least one pilot hole, described diaphragm location structure also comprises and has towards the positioning framework on the first inclined-plane of diaphragm and slide block, slide block is between positioning framework and diaphragm, have and the bottom surface of film contact, second inclined-plane that contact corresponding to the first inclined-plane, the gradient on the second inclined-plane is raised gradually to direction, diaphragm outer, and the corresponding described pilot hole in slide block outer is provided with positioning convex, and positioning convex is arranged in pilot hole.Utilize the mutual extruding on positioning framework inclined-plane and slide block inclined-plane in diaphragm location structure, when slide block moves outside diaphragm, positioning convex is hung up pilot hole thus applies an outside tension to diaphragm, tension diaphragm.Present invention also offers the syndeton of another kind of slide block and positioning framework.The present invention utilizes slide block to apply tension to diaphragm, and the harmomegathus amount produced by temperature variation in order to regulate diaphragm is to eliminate the problem of warping of membrane.
Description
Technical field
The invention belongs to field of liquid crystal display, more particularly, relate to diaphragm location structure and backlight module thereof.
Background technology
Because liquid crystal indicator (Liquidcrystaldisplay, LCD) has very many advantages, liquid crystal indicator has been widely used in various electronic installation in recent years.
In liquid crystal indicator, because liquid crystal itself does not have the characteristics of luminescence, therefore, need to provide backlight to liquid crystal indicator.In backlight module, blooming piece, producing buckling deformation owing to being subject to the heat that distributes from backlight near the position of backlight, makes the product key properties such as the display brightness of liquid crystal indicator, uniformity coefficient, contrast and visible angle deeply affect by backlight module.In the liquid crystal display of LED as backlight, the light sent to make backlight module is more uniformly dispersed, various diaphragm is set in backlight module, such as brightness enhancement film, diffusion sheet and prismatic lens etc., to improve the optical homogeneity property of backlight module in liquid crystal indicator, improve the integral brightness of backlight module simultaneously, thus improve image display quality.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the diaphragm temperature distortion schematic diagram of prior art, and Fig. 2 is the enlarged diagram in A portion in Fig. 1, i.e. the location structure schematic diagram of diaphragm in prior art.Backlight module 10 comprises at least one diaphragm 20 and glue frame 30 etc., for convenience of description, eliminates the back of the body frame, light guide plate and other elements in Fig. 1 and Fig. 2, so with the clear diaphragm location structure indicating backlight module 10.As shown in Figure 2, the edge, one end of diaphragm 20 has at least one lug 21, through hole 22 is provided with in the middle of lug 21, the fixed leg 31 of respective amount is then provided with inside corresponding glue frame 30, correspond respectively to the through hole 22 of multiple lug 21, through hole 22 and fixed leg 31 fit, make diaphragm 20 be fixed on glue frame 30.But, more than design and only have positioning function, there is no the rising-heat contracting-cold effect that factors such as considering temperature variation can cause diaphragm, because for side-edge type backlight, because LED thermal value is larger, and skewness, cause diaphragm differential expansion, easily cause backlight curtain shape vestige 40 phenomenon, and then it is uneven to produce optical performance, the problems such as local ripple vestige, have a strong impact on backlight taste.
Summary of the invention
The object of the present invention is to provide diaphragm location structure, solve the problem that diaphragm causes warping of membrane to be out of shape by temperature variation generation harmomegathus amount, by coordinating of slide block and positioning framework and diaphragm pilot hole, tension is applied to diaphragm surrounding, thus even up diaphragm, to reach the warpage eliminating diaphragm, improve the object of backlight taste.
To achieve these goals, the invention provides a kind of diaphragm location structure, comprise diaphragm and positioning framework, wherein, the edge of diaphragm has lug, is provided with pilot hole in the middle of lug, it is characterized in that, positioning framework has the first inclined-plane towards diaphragm, and the first inclined-plane is horizontal by a predetermined angular, and diaphragm location structure also comprises:
Slide block, between positioning framework and diaphragm, described slide block has and the bottom surface of film contact, second inclined-plane that contact corresponding to the first inclined-plane, the gradient on the second inclined-plane is raised gradually to direction, diaphragm outer, the corresponding described pilot hole in slide block outer is provided with positioning convex, and positioning convex is arranged in hole, room.
Preferably, positioning framework comprises glue frame and back of the body frame, and glue frame is located on back of the body frame, and the lower surface of glue frame top board is located on described first inclined-plane.
Preferably, the first inclined-plane is consistent with the angle of inclination on the second inclined-plane.
The present invention also provides a kind of diaphragm location structure, comprise diaphragm and positioning framework, wherein, the edge of diaphragm has lug, be provided with pilot hole in the middle of lug, it is characterized in that, described positioning framework is provided with the inserted block with the first inclined-plane towards the top board lower surface of diaphragm, first inclined-plane is horizontal by a predetermined angular, and diaphragm location structure also comprises:
Slide block, below diaphragm edge and between positioning framework, have and the bottom surface of positioning framework contacts baseplate, second inclined-plane that contact corresponding to the first inclined-plane, the gradient on the second inclined-plane is raised gradually to direction, diaphragm outer, second inclined-plane corresponds to pilot hole and be provided with positioning convex, positioning convex is arranged in pilot hole.
Preferably, positioning framework comprises glue frame and back of the body frame, and glue frame is located on back of the body frame, and described inserted block is located at the lower surface of glue frame top board.
Preferably, slide block also has the engaging projection being connected with bottom surface and arranging, and engaging projection is made up of bar portion and head, and one end, bar portion is connected with bottom surface, and one end is connected with head, and the diameter in bar portion is less than the diameter of head.
Preferably, on back of the body frame bottom plate, corresponding engaging projection has positioning runner, and positioning runner comprises inlet channel and is connected to the rail groove of inlet channel, and the width of inlet channel is greater than the width of rail groove.
Preferably, the head diameter of engaging projection is greater than the rail groove width of positioning runner, and the bar portion diameter of engaging projection is less than the rail groove width of positioning runner.
Preferably, the first inclined-plane is consistent with the angle of inclination on the second inclined-plane.
Another object of the present invention is also to provide a kind of backlight module, comprises diaphragm location structure as above, and is fixed on light guide plate, the backlight in described diaphragm location structure, and diaphragm is fixed in light guide plate by described diaphragm location structure.
Beneficial effect: compared to prior art, location structure of the present invention is used for the location of diaphragm, utilize the mutual extruding on positioning framework inclined-plane and slide block inclined-plane in location structure, and blooming piece can effectively be fixed in backlight module with coordinating of diaphragm pilot hole by slide block positioning convex, and slide block provides diaphragm tension, in order to solve diaphragm in the problem that can produce buckling deformation near the position of backlight owing to being subject to the heat that distributes from backlight, improve the optics taste of backlight module.
Accompanying drawing explanation
Fig. 1 is the diaphragm temperature distortion schematic diagram of prior art.
Fig. 2 is A portion enlarged diagram in Fig. 1.
Fig. 3 is the slide block schematic diagram of the embodiment of the present invention 1.
Fig. 4 is the backlight module cut-open view of the embodiment of the present invention 1.
Fig. 5 is the backlight module sectional side view of the embodiment of the present invention 1
Fig. 6 is that the embodiment of the present invention 1 slide block coordinates with inclined-plane diaphragm is strained cut-open view.
Fig. 7 is that the embodiment of the present invention 1 slide block coordinates with inclined-plane diaphragm is strained sectional side view.
Fig. 8 is the slide block schematic diagram of the embodiment of the present invention 2.
Fig. 9 is the backlight module cut-open view of the embodiment of the present invention 2.
Figure 10 is the backlight module sectional side view of the embodiment of the present invention 2.
Figure 11 is that the embodiment of the present invention 2 slide block coordinates with inclined-plane diaphragm is strained cut-open view.
Figure 12 is that the embodiment of the present invention 2 slide block coordinates with inclined-plane diaphragm is strained sectional side view.
Figure 13 is effect schematic diagram of the present invention.
Specific embodiment
In order to set forth technical characterstic of the present invention and structure better, be described in detail below in conjunction with embodiments of the invention and accompanying drawing thereof, wherein, identical label represents identical parts all the time.
Embodiment 1
Please refer to Fig. 3 to Fig. 7, backlight module of the present invention is used in display device, and as shown in Figure 4, backlight module 100 comprises diaphragm location structure 200 and is fixed on light guide plate 300, the backlight (not shown) in diaphragm location structure 200.Diaphragm location structure 200, comprise diaphragm 210, positioning framework 220 and slide block 250, wherein diaphragm 210 is blooming piece, and the effect of blooming piece is the optical homogeneity property improving backlight module 100 in liquid crystal indicator, make backlight module 100 can produce best distribution of light sources, improve image display quality.In the present embodiment, the edge of diaphragm 210 has at least one lug 211, is provided with pilot hole 212 in the middle of lug 211, and wherein pilot hole 212 is perforation.
In liquid crystal indicator, usual glue frame is arranged at display panel side, and in order to locate backlight module and display panel, the back of the body frame that recycling is positioned at backlight module side is combined fixing backlight module and display panel with glue frame.Described positioning framework 220 comprises back of the body frame 230 and is located at the glue frame 240 on back of the body frame 230, as shown in Figure 4, back of the body frame 230 comprises base plate 231 and is connected to the first side plate 232 of base plate, the second side plate 244, first side plate 232 that glue frame 240 comprises top board 241 and is connected to top board 241 is connected with the second side plate 244 makes back of the body frame 230 and glue frame 240 fit together formation accommodation space.In the present embodiment, the lower surface of top board 241 is the first inclined-plane 242 horizontal by a predetermined angle.
As can be seen from Fig. 4, diaphragm 210, slide block 250 and light guide plate 300 are placed in accommodation space, and wherein slide block 250 is placed between the top board 241 of diaphragm 210 and positioning framework 200.As shown in Figure 3, the second inclined-plane 252 that slide block 250 has smooth horizontal bottom 251, is oppositely arranged with bottom surface 251, wherein the second inclined-plane 252 is consistent with the angle of inclination on the first inclined-plane, be also shown in figure, the gradient on the second inclined-plane 252 is raised gradually to direction, diaphragm outer, and bottom surface 251 is also provided with positioning convex 253, preferably, as shown in Figure 5, described positioning convex 253 is located at the edge, bottom surface 251 of the second higher side, inclined-plane 252 and is connected to the sidewall of slide block 250, but should as limit.
During assembling, first back of the body frame 230 and glue frame 240 are fitted together, be connected with the second side plate 244 by the first side plate 232, the positioning convex 253 of slide block 250 is coordinated with the pilot hole 212 on diaphragm 210, because the shape of positioning convex 253 and pilot hole 212 adapt, and the size of positioning convex 253 is not more than the size of pilot hole 212.In the present embodiment, pilot hole is perforation, the positioning convex 253 be located on glossy bottom surface 251 is passed down through pilot hole 212 and protrudes from pilot hole 212, at this moment bottom surface 251 is flat on diaphragm 210 and fits with diaphragm 210, and positioning convex 253 is placed in pilot hole 212, as shown in Figure 5, slide block 250 does not also contact with glue frame 240, namely there is gap between the first inclined-plane 242 and the second inclined-plane 252.Then downward pressure is applied to glue frame 240, as shown in Figure 6 and Figure 7, in the process that glue frame 240 presses down, the lower surface of top board 241 and the end face of slide block 250 are fitted, namely fit and extrude the second inclined-plane 252 in the first inclined-plane 242 and the second inclined-plane 252, and under the effect on inclined-plane, glue frame 240 pairs of slide blocks 250 apply one perpendicular to the downward power in the second inclined-plane 252, decompose can know this power, slide block 250 receives an outside pulling force and a downward pressure.From Fig. 7, B region can be found out, because slide block 250 is subject to outside pulling force, thus slide block 250 outwards movement on diaphragm 210, at this moment positioning convex 253 contacts with pilot hole 212, the pilot hole 212 on diaphragm 210 is hung up by positioning convex 253, positioning convex 253 pairs of diaphragms 210 apply an outside tension, thus tension diaphragm 210.Meanwhile, slide block 250 is also subject to a downward pressure, is pressed on by slide block 250 on diaphragm 210, anti-limited slip block 250 escape.
Coordinate when the first inclined-plane 242 does suitable adjustment with the second inclined-plane 252, with regard to the sliding distance, glide direction etc. of adjustable slide 250, thus direction and the size of tension can be adjusted, after diaphragm 210 stretching and leveling, the mode such as snap fit, screw can be used to be fixed by glue frame 240, be fixedly connected with the second side plate 244 by the first side plate 232, be fixedly connected with screw fashion in figure.
Understandable, as shown in figure 13, identical diaphragm location structure 200 can be arranged on diaphragm 210 surrounding, thus diaphragm 210 surrounding is subject to outside tension, and diaphragm 210 is evened up, and can reduce and even eliminate the distortion such as warpage.Diaphragm 210 also can only have one end to be fixed by diaphragm location structure 200, and the other end is then fixed by backlight module mechanism pressing etc., and the point of application also more than more than 2 o'clock, can be determined according to real needs.
Embodiment 2
Please refer to Fig. 8 to Figure 12, only describe the difference of embodiment 2 and embodiment 1 below.As shown in Figure 9, in example 2, difference is, positioning framework 220 is except comprising back of the body frame 230 and glue frame 240, and also comprise the inserted block 243 with an inclined-plane, described inserted block 243 is located at the lower surface of top board 241, and the inclined-plane of inserted block 243 is the first inclined-plane 242.Wherein, in order to control glide direction and the sliding distance of slide block 250 better, base plate 231 has positioning runner 270, slide block 250 can be slided to predetermined trajectory.In order to realize the object that slide block 250 can slide to predetermined trajectory, especially, as shown in Figure 8, slide block 250 is provided with corresponding engaging projection 260 on bottom surface 251, and positioning convex 253 is located on the second inclined-plane 252, namely positioning convex 253 is connected with the second inclined-plane 252 and arranges, and the one end being adjacent to the second inclined-plane 252 higher is connected to sidewall.
Preferably, as shown in Figure 10, engaging projection 260 is located at bottom center, and engages projection 260 and be made up of bar portion 261 and head 262, and one end, bar portion 261 is connected with bottom surface 251, and the other end is connected with head 262, and the diameter in bar portion 261 is less than the diameter of head 262.Positioning runner 270 comprises inlet channel 271 and is connected to the rail groove 272 of inlet channel 271, and wherein the width of inlet channel 271 is greater than the width of rail groove 272.Accordingly, the diameter of head 262 and the width of inlet channel 271 adapt, and the diameter in bar portion 261 and the width of rail groove 272 adapt, and make the width of rail groove 272 be less than the diameter of head 262.
During assembling, as shown in Figure 9 and Figure 10, as different from Example 1, slide block 240 to be placed on base plate 231 and to be in outside diaphragm 210.First the inlet channel 271 of the head 262 of engaging projection 260 from positioning runner 270 passed base plate and protrude from base plate, then moving to rail groove 272 one end, wherein rail groove 272 is arranged towards base plate 231 edge.Width due to rail groove 272 is less than the diameter of head 262, engaging projection 260 is made to be sticked in rail groove 272, such slide block 250 engages projection 260 in sliding process can not slippage positioning runner 270, at this moment, the bottom surface 251 of slide block 250 is positioned on base plate 231 fits with base plate 231, makes the positioning convex 253 be located on the second inclined-plane 252 be upward through pilot hole 212 simultaneously and protrudes from pilot hole 212.
What will illustrate at this is, coordinate better with the second inclined-plane 252 to allow the first inclined-plane 242, when the quantity of the inserted block 243 on glue frame 240 is more than one, inserted block 243 parallel interval on the lower surface of glue frame 240 top board 241 is arranged, and the spacing of adjacent inserted block 243 is not less than the width of lug 211; Accordingly, when the quantity of lug 211 is more than one, lug 211 is arranged in diaphragm 210 edge parallel interval, and the spacing of adjacent lugs 211 is not less than the thickness of inserted block 243.
Same, then downward pressure is applied to glue frame 240, as is illustrated by figs. 11 and 12, in the process that glue frame 240 presses down, inserted block 243 coordinates with slide block 250 through the spacing of adjacent lugs 211, namely fit with the second inclined-plane 252 of slide block 250 and extrude in the first inclined-plane 242 on inserted block 243, under the effect on inclined-plane, inserted block 243 pairs of slide blocks 250 apply one perpendicular to the downward power in the second inclined-plane 252, because engaging projection 260 is sticked in positioning runner 270, slide block 250 is slided on base plate 231 along positioning runner 270.In like manner known, be located at and the second inclined-plane 252 be upward through pilot hole 212 and the positioning convex 253 pairs of diaphragms 210 protruding from pilot hole 212 apply an outside tension, thus tension diaphragm 210.Meanwhile, slide block 250 is also subject to a downward pressure, is pressed on base plate 231 by the bottom surface 251 of slide block 250, anti-limited slip block 250 escape.
In sum, location structure of the present invention is used for the location of diaphragm, utilize the mutual start on positioning framework inclined-plane and slide block inclined-plane in location structure, and blooming piece was effectively fixed in backlight module with coordinating of diaphragm pilot hole by slide block positioning convex, and slide block provides diaphragm tension, in order to solve diaphragm in the problem that can produce buckling deformation near the position of backlight owing to being subject to the heat that distributes from backlight, improve the optics taste of backlight module.
Although the present invention is described in detail with reference to its exemplary embodiment and shows, but will be understood by those skilled in the art that, when not departing from the spirit and scope of the present invention be defined by the claims, the various changes of form and details can be carried out to it.
Claims (8)
1. a diaphragm location structure, comprises diaphragm and positioning framework, wherein, the edge of diaphragm has lug, is provided with pilot hole, it is characterized in that in the middle of lug, described positioning framework has the first inclined-plane towards diaphragm, and the first inclined-plane is horizontal by a predetermined angular, and diaphragm location structure also comprises:
Slide block, between positioning framework and diaphragm, described slide block has and the bottom surface of film contact, second inclined-plane that contact corresponding to the first inclined-plane, the gradient on the second inclined-plane is raised gradually to direction, diaphragm outer, the corresponding described pilot hole in slide block outer is provided with positioning convex, and positioning convex is arranged in hole, room;
Described positioning framework comprises glue frame and back of the body frame, and glue frame is located on back of the body frame, and the lower surface of glue frame top board is located on described first inclined-plane.
2. diaphragm location structure according to claim 1, is characterized in that, described first inclined-plane is consistent with the angle of inclination on the second inclined-plane.
3. a diaphragm location structure, comprise diaphragm and positioning framework, wherein, the edge of diaphragm has lug, be provided with pilot hole in the middle of lug, it is characterized in that, described positioning framework is provided with the inserted block with the first inclined-plane towards the top board lower surface of diaphragm, first inclined-plane is horizontal by a predetermined angular, and diaphragm location structure also comprises:
Slide block, below diaphragm edge and between positioning framework, have and the bottom surface of positioning framework contacts baseplate, second inclined-plane that contact corresponding to the first inclined-plane, the gradient on the second inclined-plane is raised gradually to direction, diaphragm outer, second inclined-plane corresponds to pilot hole and be provided with positioning convex, positioning convex is arranged in pilot hole;
Described positioning framework comprises glue frame and back of the body frame, and glue frame is located on back of the body frame, and described inserted block is located at the lower surface of glue frame top board.
4. diaphragm location structure according to claim 3, is characterized in that, described slide block also has the engaging projection being connected with bottom surface and arranging, engaging projection is made up of bar portion and head, one end, bar portion is connected with bottom surface, and one end is connected with head, and the diameter in bar portion is less than the diameter of head.
5. diaphragm location structure according to claim 4, is characterized in that, on described back of the body frame bottom plate, corresponding engaging projection has positioning runner, and positioning runner comprises inlet channel and is connected to the rail groove of inlet channel, and the width of inlet channel is greater than the width of rail groove.
6. diaphragm location structure according to claim 5, is characterized in that, the head diameter of described engaging projection is greater than the width of positioning runner rail groove, and the bar portion diameter of engaging projection is less than the width of positioning runner rail groove.
7. diaphragm location structure according to claim 3, is characterized in that, described first inclined-plane is consistent with the angle of inclination on the second inclined-plane.
8. a backlight module, is characterized in that, comprising:
Diaphragm location structure as described in claim as arbitrary in claim 1 to 7, and
Be fixed on light guide plate, the backlight in described diaphragm location structure, diaphragm is fixed in light guide plate by described diaphragm location structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310037670.6A CN103090323B (en) | 2013-01-31 | 2013-01-31 | Diaphragm location structure and backlight module thereof |
| PCT/CN2013/071332 WO2014117401A1 (en) | 2013-01-31 | 2013-02-04 | Film locating structure and backlight module thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310037670.6A CN103090323B (en) | 2013-01-31 | 2013-01-31 | Diaphragm location structure and backlight module thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103090323A CN103090323A (en) | 2013-05-08 |
| CN103090323B true CN103090323B (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310037670.6A Active CN103090323B (en) | 2013-01-31 | 2013-01-31 | Diaphragm location structure and backlight module thereof |
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| CN (1) | CN103090323B (en) |
| WO (1) | WO2014117401A1 (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI509329B (en) * | 2013-11-08 | 2015-11-21 | Radiant Opto Electronics Corp | Backlight module |
| CN104537956A (en) * | 2015-01-19 | 2015-04-22 | 北京京东方多媒体科技有限公司 | Rubber frame, display device and assembling method of display device |
| CN104763931B (en) * | 2015-04-09 | 2017-06-13 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN104806929B (en) * | 2015-04-14 | 2017-08-04 | 武汉华星光电技术有限公司 | Backlight module optical film location structure, backlight module and display |
| CN204903917U (en) * | 2015-09-09 | 2015-12-23 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN105549267B (en) * | 2016-03-08 | 2019-03-01 | 深圳市华星光电技术有限公司 | Backlight module and display device |
| WO2019028688A1 (en) * | 2017-08-09 | 2019-02-14 | 瑞仪(广州)光电子器件有限公司 | Frame assembly and display device |
| CN108037619B (en) * | 2018-01-25 | 2020-08-04 | 惠州市华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN108415118B (en) * | 2018-04-26 | 2020-04-03 | 惠州市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN109782484B (en) * | 2019-01-24 | 2022-02-25 | 重庆京东方显示照明有限公司 | Backlight source limiting structure and backlight source module |
| CN112578590B (en) * | 2019-09-29 | 2022-04-29 | 京东方科技集团股份有限公司 | Backlight module and display device |
| TWI783747B (en) * | 2021-10-22 | 2022-11-11 | 瑞儀光電股份有限公司 | Backlight module and display device |
| WO2024031785A1 (en) * | 2022-08-12 | 2024-02-15 | 瑞仪光电(苏州)有限公司 | Backlight module capable of limiting positions of diaphragm and light guide element, and display |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101158772A (en) * | 2006-10-08 | 2008-04-09 | 中华映管股份有限公司 | Directly-down backlight module and blooming piece fixed structure thereof |
| CN101435948A (en) * | 2007-11-14 | 2009-05-20 | 奇美电子股份有限公司 | Backlight module and LCD device including the same |
| CN101907262A (en) * | 2009-06-03 | 2010-12-08 | 友达光电股份有限公司 | Positioning mechanism and back light module |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2304288Y (en) * | 1997-09-23 | 1999-01-20 | 李俊彬 | Suitcase with folding table attached |
| CN100510877C (en) * | 2006-07-21 | 2009-07-08 | 中华映管股份有限公司 | Fixing structure of optical film |
| JP4661765B2 (en) * | 2006-08-28 | 2011-03-30 | 日亜化学工業株式会社 | Backlight unit |
| WO2008065788A1 (en) * | 2006-11-27 | 2008-06-05 | Sharp Kabushiki Kaisha | Display and tv receiver |
| CN201827785U (en) * | 2010-11-01 | 2011-05-11 | 北京京东方光电科技有限公司 | Back light source and liquid crystal display |
-
2013
- 2013-01-31 CN CN201310037670.6A patent/CN103090323B/en active Active
- 2013-02-04 WO PCT/CN2013/071332 patent/WO2014117401A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101158772A (en) * | 2006-10-08 | 2008-04-09 | 中华映管股份有限公司 | Directly-down backlight module and blooming piece fixed structure thereof |
| CN101435948A (en) * | 2007-11-14 | 2009-05-20 | 奇美电子股份有限公司 | Backlight module and LCD device including the same |
| CN101907262A (en) * | 2009-06-03 | 2010-12-08 | 友达光电股份有限公司 | Positioning mechanism and back light module |
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| CN103090323A (en) | 2013-05-08 |
| WO2014117401A1 (en) | 2014-08-07 |
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