CN108037619B - Backlight module and liquid crystal display - Google Patents
Backlight module and liquid crystal display Download PDFInfo
- Publication number
- CN108037619B CN108037619B CN201810072336.7A CN201810072336A CN108037619B CN 108037619 B CN108037619 B CN 108037619B CN 201810072336 A CN201810072336 A CN 201810072336A CN 108037619 B CN108037619 B CN 108037619B
- Authority
- CN
- China
- Prior art keywords
- hole
- plate
- backlight module
- edge
- diffusion plate
- 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.)
- Active
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims description 15
- 238000009792 diffusion process Methods 0.000 claims abstract description 45
- 238000010586 diagram Methods 0.000 description 6
- -1 copolycarbonate Polymers 0.000 description 4
- 238000007665 sagging Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000008844 regulatory mechanism Effects 0.000 description 1
Images
Classifications
-
- 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
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
The invention provides a backlight module, which comprises a back plate and a diffusion plate, wherein the diffusion plate is covered on the back plate, the back plate comprises a bottom plate, a first side part and a second side part, the first side part and the second side part extend from two opposite side edges of the bottom plate, the diffusion plate is provided with a first edge and a second edge which are opposite, the backlight module also comprises a first fixing structure and a first adjusting structure, the first fixing structure is fixedly connected with the first edge of the diffusion plate and movably connected with the first side part, and the first adjusting structure is matched with the first fixing structure and used for stretching the diffusion plate so as to keep the diffusion plate in a qualified flatness. Through setting up first fixed knot structure and first regulation structure, first fixed knot constructs the first edge fixed connection with the diffuser plate, with first side swing joint, and first adjustment mechanism can stretch the diffuser plate with the cooperation of first fixed knot structure for after the flagging deformation of diffuser plate, can stretch the diffuser plate and get back to qualified plane degree.
Description
Technical Field
The invention belongs to the technical field of liquid crystal display, and particularly relates to a backlight module and a liquid crystal display.
Background
The liquid crystal display (L CD) is a common flat panel display device, and is widely used in various electronic devices, wherein the liquid crystal display must provide a light source required by a liquid crystal panel (L CD panel) through a light emitting device or a backlight module, thereby presenting an image, the types of the backlight module can be generally divided into two types, namely, edge type (edge light type) and direct type (direct light type), the direct type backlight generally needs to adopt a diffusion plate to average the brightness of the whole backlight, but for the liquid crystal display with larger size, the diffusion plate has larger size and larger self weight, and is quite easy to deform or droop, and the diffusion plate is made of a material, so that the central part of the diffusion plate has lower rigidity and can generate droop deformation after being installed, and further, the light mixing distances of all parts are inconsistent, and the phenomena of dark spots, bright spots or uneven brightness occur on the liquid crystal display.
Disclosure of Invention
The invention aims to provide a backlight module which can adjust the position of a diffusion plate relative to a back plate, recover the normal state of the diffusion plate after stretching, sagging and deforming and maintain qualified flatness.
In order to realize the purpose of the invention, the invention provides the following technical scheme:
in a first aspect, the present invention provides a backlight module, including a back plate and a diffuser plate, the diffuser plate is covered on the back plate, the back plate includes a bottom plate and a first side portion and a second side portion extending from two opposite side edges of the bottom plate, the diffuser plate has an opposite first edge and a second edge, the backlight module further includes a first fixing structure and a first adjusting structure, the first fixing structure is fixedly connected with the first edge of the diffuser plate and movably connected with the first side portion, and the first adjusting structure is matched with the first fixing structure for stretching the diffuser plate to maintain a qualified flatness of the diffuser plate.
In a first possible implementation manner of the first aspect, the backlight module further includes a second fixing structure, and the second fixing structure is fixedly connected to the second edge and the second side of the diffusion plate to fix the second edge of the diffusion plate on the second side.
In a second possible implementation manner of the first aspect, the first edge of the diffusion plate is provided with a first through hole, the first side part is provided with a first connecting hole, the first through hole corresponds to the first connecting hole, the first fixing structure comprises a connecting piece, the first adjusting structure comprises a boss and a first screw, the boss is arranged on one side of the first connecting hole on the first side part, which is far away from the second side part, the connecting piece is arranged in the first through hole and the first connecting hole in a penetrating way, and partially protrudes out of the diffusion plate, the first screw is connected with the connecting piece through the boss, the direction of the first side portion towards the second side portion is a first direction, the size of the first connecting hole in the first direction is larger than that of the first through hole, and the first screw rotates to drive the connecting piece to move in the first direction.
With reference to the first aspect and the second possible implementation manner of the first aspect, in a third possible implementation manner of the first aspect, the connecting member includes a screw rod and a connecting portion connected to an end of the screw rod, the screw rod is inserted into the first through hole and the first connecting hole, the connecting portion is provided with a second connecting hole, the boss is provided with a third through hole, and the first screw is connected to the second connecting hole through the third through hole.
With reference to the first aspect and the third possible implementation manner of the first aspect, in a fourth possible implementation manner of the first aspect, the first through hole is a circular hole, the first connection hole is an elliptical hole, an extending direction of a long axis of the first connection hole is the same as the first direction, and a size of the first connection hole in the first direction is larger than a diameter of the first through hole.
With reference to the first aspect and the first possible implementation manner of the first aspect, in a fifth possible implementation manner of the first aspect, the second edge of the diffuser plate is provided with a second through hole, the second side of the diffuser plate is provided with a third connecting hole, the second through hole corresponds to the third connecting hole, the second fixing structure includes a second screw, and the second screw is inserted into the second through hole and the third connecting hole.
With reference to the first aspect and the fifth possible implementation manner of the first aspect, in a sixth possible implementation manner of the first aspect, the second through hole and the second connecting hole are both circular holes and have the same diameter.
In a seventh possible implementation manner of the first aspect, the first fixing structures include multiple groups, and the multiple groups of the first fixing structures are arranged in an array on the first side portion.
In an eighth possible implementation manner of the first aspect, the bottom plate is provided with light-emitting members, and the light-emitting members are arranged in a strip shape.
In a second aspect, the present invention further provides a liquid crystal display including the backlight module in various implementations of the first aspect.
The invention has the beneficial effects that:
according to the backlight module provided by the invention, the first fixing structure and the first adjusting structure are arranged, the first fixing structure is fixedly connected with the first edge of the diffusion plate and movably connected with the first side part, and the first adjusting structure is matched with the first fixing structure to stretch the diffusion plate, so that the diffusion plate can be stretched to return to the qualified flatness after the diffusion plate is sagged and deformed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of a liquid crystal display according to the present invention;
FIG. 2 is a schematic plan view of a diffuser plate according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a planar structure of a back plate according to an embodiment of the present invention;
FIG. 4 is a schematic view of the backlight module assembly of FIG. 3 taken along the direction E-E, with the light-emitting member omitted;
FIG. 5 is a partial enlarged schematic view of FIG. 4 at A;
FIG. 6 is a schematic diagram of a partial explosion structure of a backlight module according to an embodiment;
fig. 7 is a schematic view of a partial installation structure of the backlight module shown in fig. 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a liquid crystal display provided in the present invention, which includes a back plate 10, a diffusion plate 200 and a liquid crystal panel 300, which are stacked, wherein a light emitting element 400 is disposed on the back plate 10, and the back plate 10, the diffusion plate 200, the light emitting element 400 and other accessories form a backlight module.
Referring to fig. 2 to 5, fig. 2 is a schematic plane structure of a diffuser plate according to an embodiment of the present invention, fig. 3 is a schematic plane structure of a back plate according to an embodiment of the present invention, fig. 4 is a schematic plane structure of a backlight module assembly along the direction E-E in fig. 3, in which a light emitting element is omitted, and fig. 5 is a schematic partial enlarged structure at a in fig. 4. An embodiment of the present invention provides a backlight module, which includes a housing 10 and a diffuser plate 200, wherein the diffuser plate 200 is covered on the housing 10, the housing 10 includes a bottom plate 100 and a first side portion 101 and a second side portion 102 extending from two opposite side edges of the bottom plate 100, the diffuser plate 200 has a first edge 201 and a second edge 202 opposite to each other, the backlight module further includes a first fixing structure and a first adjusting structure, the first fixing structure is fixedly connected to the first edge 201 of the diffuser plate and movably connected to the first side portion 101, and the first adjusting structure is matched with the first fixing structure to stretch the diffuser plate 200 to maintain the diffuser plate 200 with a qualified flatness.
Through setting up first fixed knot structure and first regulation structure, first fixed knot constructs and the first edge 201 fixed connection of diffuser plate 200, with first side 101 swing joint, and first regulation mechanism can stretch diffuser plate 200 with the cooperation of first fixed knot for diffuser plate 200 flagging after the deformation, can stretch diffuser plate 200 and return qualified plane degree.
The backplate 10 may be made of metal, such as aluminum. The back sheet 10 may also be a plastic material, such as one selected from polycarbonate, aromatic polycarbonate, copolycarbonate, polyethylene terephthalate, ethylene terephthalate, polyethylene, polystyrene, polypropylene, mixtures thereof, and compounds providing similar functions.
The backlight module further includes a light emitting element 400, a reflective plate (not shown), and the like, wherein the light emitting element 400 is disposed in the back plate 10, the reflective plate is disposed at the bottom plate 100 and the side wall of the back plate 10, the reflective plate reflects the light emitted by the light emitting element 400, and the diffusion plate 200 diffuses the light emitted by the light emitting element 400 and the light reflected by the reflective plate to generate uniform light for transmitting to the liquid crystal panel 300. In one embodiment, the backlight module can eliminate the reflective plate, and the bottom plate 100 and the sidewalls of the back plate 10 are made to have a reflective function, such as a mirror type, so that the light can be reflected to the diffusion plate 200 by the reflection of the bottom plate 100 and the sidewalls of the back plate 10.
In one embodiment, the light emitting members 400 are arranged on the base plate 100 in a bar shape and are uniformly spaced on the base plate 100. the light emitting members 400 may be L ED lamps or fluorescent tubes.
In one embodiment, the first fastening structures comprise a plurality of sets of first fastening structures arranged in an array on the first side 101. The arrangement of the plurality of first fixing structures can enable the stretching function of the diffusion plate 200 to be adjusted more finely, and the position of the diffusion plate 200 relative to the housing 10 is more accurate, so that the diffusion plate 200 does not have sagging deformation everywhere. Preferably, the first fixing structures include 2 groups and 2 or more groups, and the 2 groups and 2 or more groups of second fixing structures are arranged in an array on the second side portion 102, so that the fixing and adjusting structure of the diffusion plate 200 is compact and easy to operate. Further preferably, the first fixing structures may be arranged in a manner that the middle of the first side portion 101 is dense and sparse, so that the middle region of the diffuser plate 200, which is most easily deformed and sags, is stretched more.
Further, the backlight module further includes a second fixing structure, and the second fixing structure is fixedly connected to the second edge 202 and the second side portion 102 of the diffuser plate 200, so as to fix the second edge 202 of the diffuser plate 200 on the second side portion 102. By fixing the second edge 202 of the diffuser 200 and stretching the first edge 201 of the diffuser 200, the diffuser 200 can be stretched to meet the flatness requirement, which is convenient for operation. In other embodiments, the backlight module may further include a second adjusting structure, and when the second fixing structure fixes the second edge 202 of the diffuser 200 to the second side portion 102, the second adjusting structure may also stretch the second edge 202, so that the effect of adjusting the flatness of the diffuser 200 is achieved through the stretching effect of the first adjusting structure and the second adjusting structure, and the operation is more flexible.
In one embodiment, please refer to fig. 6 and 7 together, in which fig. 6 is a schematic diagram of a local explosion structure of a backlight module according to an embodiment, and fig. 7 is a schematic diagram of a local installation structure of the backlight module shown in fig. 6. The first edge 201 of the diffuser 200 is formed with a first through hole 210, the first side 101 is formed with a first connection hole 110, the first through hole 210 corresponds to the first connection hole 110, the first fixing structure includes a connection member 60, the first adjustment structure comprises a boss 130 and a first screw 70, the boss 130 is arranged on the first side part 101 at the side of the first connection hole 110 far away from the second side part 102, the connecting member 60 is inserted into the first through hole 210 and the first connecting hole 110, and partially protrudes from the diffusion plate 200, the first screw 70 is coupled to the coupling member 60 through the boss 130, the direction of the first side portion 101 toward the second side portion 102 is a first direction, the size of the first connection hole 110 in the first direction is larger than the size of the first through hole 210, the first screw 70 is rotated to move the connecting member 60 in the first direction.
The bosses 130 are fixedly provided on the first side portion 101 toward the surface of the diffusion plate 200, and the height of the bosses 130 ensures that the first screws 70 can be coupled with the coupling members 60 protruding on the diffusion plate 200. The first screw 70 includes a nut 71 and a screw 72, the screw 72 is connected with the connector 60 through the boss 130, the nut 71 is provided with a bayonet matched with, for example, a screwdriver, the nut is rotated to drive the screw 72 to rotate, and drive the connector 60, the size of the first through hole 210 penetrated by the connector 60 in the first direction is smaller than that of the first connection hole 110, so that the connector 70 can drive the diffusion plate 200 to move within the size range of the first connection hole 110, and the diffusion plate 200 deformed by sagging can be adjusted to a normal state.
Further, the connecting member 60 includes a screw rod 62 and a connecting portion 61 connected to an end of the screw rod 62, the screw rod 62 is inserted into the first through hole 210 and the first connecting hole 110, the connecting portion 61 is provided with a second connecting hole 63, the boss 130 is provided with a third through hole 131, and the first screw 70 is connected to the second connecting hole 63 through the third through hole 131. The screw rod 71 of the first screw 70 is connected with the second connecting hole 63 through the third through hole 131, the screw rod 71 is in threaded fit with the second connecting hole 63, specifically, the periphery of the screw rod 71 is provided with an external thread, the second connecting hole 63 is provided with an internal thread, the first screw 70 can be stably connected with the connecting piece 60 through a threaded structure, and the first screw 70 can move relative to the connecting piece 60 when rotating under the condition that the boss 130 is fixed. An included angle is formed between the extending direction of the first connection hole 110 and the extending direction of the third connection hole 131, and the included angle is preferably 90 °, so that when the connection member 60 and the first screw 70 are assembled, the extending direction of the first screw 70 is approximately parallel to the plane of the diffusion plate 200, so that the first screw 70 can drive the diffusion plate 200 to move in the same extending plane, thereby preventing the diffusion plate 200 from moving in a direction away from the housing 100 to cause light leakage and the like.
Further, the first through hole 210 is a circular hole, the first connection hole 110 is an elliptical hole, the extending direction of the long axis of the first connection hole 110 is the same as the first direction, and the size of the first connection hole 110 in the first direction is larger than the diameter of the first through hole 210. Further, the dimension of the short axis direction of the first connection hole 110 is also larger than the diameter of the first through hole 210, so that the connector 60 can move in the long axis and short axis directions of the first connection hole 110, and the displacement of the diffusion plate 200 in all directions can be better stretched, thereby adjusting the flatness.
In one embodiment, the second edge 202 of the diffuser plate 200 is formed with a second through hole 220, the second side portion 102 is formed with a third connecting hole 120, the second through hole 220 corresponds to the third connecting hole 120, the second fixing structure includes a second screw 80, and the second screw 80 is inserted into the second through hole 220 and the third connecting hole 120. The third connecting hole 120 and the second screw 80 are connected by screw threads, specifically, the third connecting hole 120 has internal screw threads, and the second screw 80 has external screw threads.
Further, the second through hole 220 and the second connecting hole 120 are circular holes and have the same diameter. Thus, the second screws 80 firmly fix one side edge of the diffuser plate 200 to the second side 102, fix the second edge 202 of the diffuser plate 200, and adjust the first edge 201 of the diffuser plate 200, which is convenient for operation and easier for solving the problem of sagging deformation.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A backlight module is characterized by comprising a back plate and a diffusion plate, wherein the diffusion plate is covered on the back plate, the back plate comprises a bottom plate and a first side part and a second side part which extend from two opposite side edges of the bottom plate, the diffusion plate is provided with a first edge and a second edge which are opposite, the backlight module further comprises a first fixing structure and a first adjusting structure, the first fixing structure is fixedly connected with the first edge of the diffusion plate and movably connected with the first side part, and the first adjusting structure is matched with the first fixing structure and used for stretching the diffusion plate so as to enable the diffusion plate to keep qualified flatness;
the first edge of the diffusion plate is provided with a first through hole, the first side portion is provided with a first connecting hole, the first through hole corresponds to the first connecting hole, the first fixing structure comprises a connecting piece, the first adjusting structure comprises a boss and a first screw, the boss is arranged on one side, away from the second side portion, of the first connecting hole in the first side portion, the connecting piece penetrates through the first through hole and the first connecting hole and partially protrudes out of the diffusion plate, the first screw is connected with the connecting piece through the boss, the direction of the first side portion towards the second side portion is a first direction, the size of the first connecting hole in the first direction is larger than that of the first through hole, and the first screw rotates to drive the connecting piece to move in the first direction.
2. The backlight module of claim 1, further comprising a second securing structure fixedly coupled to the second edge and the second side of the diffuser plate to secure the second edge of the diffuser plate to the second side.
3. The backlight module as claimed in claim 1, wherein the connecting member comprises a screw rod and a connecting portion connected to an end of the screw rod, the screw rod is inserted into the first through hole and the first connecting hole, the connecting portion is formed with a second connecting hole, the boss is formed with a third through hole, and the first screw is connected to the second connecting hole through the third through hole.
4. The backlight module as claimed in claim 3, wherein the first through hole is a circular hole, the first connection hole is an elliptical hole, a long axis of the first connection hole extends in the same direction as the first direction, and a dimension of the first connection hole in the first direction is larger than a diameter of the first through hole.
5. The backlight module as claimed in claim 2, wherein the second edge of the diffuser plate has a second through hole, the second side has a third connecting hole, the second through hole corresponds to the third connecting hole, and the second fixing structure includes a second screw passing through the second through hole and the third connecting hole.
6. The backlight module as claimed in claim 5, wherein the second through holes and the third connecting holes are circular holes and have the same diameter.
7. The backlight module as claimed in claim 1, wherein the first fixing structures comprise a plurality of groups, and the plurality of groups of the first fixing structures are arranged in an array on the first side portion.
8. The backlight module as claimed in claim 1, wherein the base plate is provided with light emitting members, and the light emitting members are arranged in a bar shape.
9. A liquid crystal display comprising the backlight module of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810072336.7A CN108037619B (en) | 2018-01-25 | 2018-01-25 | Backlight module and liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810072336.7A CN108037619B (en) | 2018-01-25 | 2018-01-25 | Backlight module and liquid crystal display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108037619A CN108037619A (en) | 2018-05-15 |
| CN108037619B true CN108037619B (en) | 2020-08-04 |
Family
ID=62096823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810072336.7A Active CN108037619B (en) | 2018-01-25 | 2018-01-25 | Backlight module and liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108037619B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007801B (en) * | 2019-04-12 | 2022-09-16 | 广州视源电子科技股份有限公司 | Diffusion plate supporting assembly and direct type backlight module |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11337942A (en) * | 1998-05-28 | 1999-12-10 | Mitsubishi Electric Corp | Lighting device and liquid crystal display device using same |
| CN100360974C (en) * | 2003-01-17 | 2008-01-09 | 3M创新有限公司 | Optical film structure, illumination apparatus and liquid crystal display device |
| CN101907262A (en) * | 2009-06-03 | 2010-12-08 | 友达光电股份有限公司 | Positioning mechanism and backlight module |
Family Cites Families (8)
| 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 | Direct type backlight module and optical film fixing structure thereof |
| CN101303478B (en) * | 2007-05-09 | 2011-09-14 | 奇美电子股份有限公司 | Liquid crystal display device and its backlight module |
| CN101435948B (en) * | 2007-11-14 | 2012-12-26 | 奇美电子股份有限公司 | Backlight module and liquid crystal display including same |
| CN202132804U (en) * | 2011-07-07 | 2012-02-01 | 北京京东方光电科技有限公司 | Backlight assembly, backlight and liquid crystal display device |
| KR20130019597A (en) * | 2011-08-17 | 2013-02-27 | 삼성전자주식회사 | Liquid crystal panel assembly and liquid crystal display apparatue |
| CN103090323B (en) * | 2013-01-31 | 2016-03-30 | 深圳市华星光电技术有限公司 | Diaphragm location structure and backlight module thereof |
| 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 |
| CN106468411B (en) * | 2015-08-06 | 2020-02-07 | 苏州璨宇光学有限公司 | Backlight module |
-
2018
- 2018-01-25 CN CN201810072336.7A patent/CN108037619B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11337942A (en) * | 1998-05-28 | 1999-12-10 | Mitsubishi Electric Corp | Lighting device and liquid crystal display device using same |
| CN100360974C (en) * | 2003-01-17 | 2008-01-09 | 3M创新有限公司 | Optical film structure, illumination apparatus and liquid crystal display device |
| CN101907262A (en) * | 2009-06-03 | 2010-12-08 | 友达光电股份有限公司 | Positioning mechanism and backlight module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108037619A (en) | 2018-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100468170C (en) | backlight system | |
| US8668364B2 (en) | Backlight unit and display device including the same | |
| TWI427367B (en) | Backlight unit | |
| TWI444566B (en) | Backlight unit and liquid crystal display device having the same | |
| US7407318B2 (en) | Spacer and backlight module using the same | |
| CN102428584B (en) | Light supply apparatus and there is the display device of this light supply apparatus | |
| US20060215075A1 (en) | Backlight Module of LCD Device | |
| KR20050033669A (en) | Backlight assembly for lcd | |
| US9823509B2 (en) | Display device | |
| CN102081187A (en) | Spliced type light guide plate structure and backlight module | |
| TWI686633B (en) | Backlight module | |
| CN101441359A (en) | Frame and backlight module unit using the same | |
| CN101922689B (en) | Backlight module for reducing light leakage | |
| US20080106670A1 (en) | Backlight module having a fastening structure and liquid crystal display using the same | |
| CN102338327A (en) | A backlight unit and a display device having same | |
| CN112684634A (en) | Backlight module and electronic equipment | |
| CN103672588A (en) | Backlight module, display device and television | |
| CN108037619B (en) | Backlight module and liquid crystal display | |
| CN112445026A (en) | Backlight module and display device with same | |
| EP3217214B1 (en) | Display apparatus | |
| US20200257039A1 (en) | Backlight module and display device | |
| CN207067606U (en) | Backlight module and display device | |
| US20210341665A1 (en) | Backlight module and display device thereof | |
| US20150015827A1 (en) | LCD and Backlight Module Thereof | |
| US7690804B2 (en) | Backlight unit of liquid crystal display |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |