CN106444124B - Liquid crystal display backboard structure and liquid crystal display - Google Patents
Liquid crystal display backboard structure and liquid crystal display Download PDFInfo
- Publication number
- CN106444124B CN106444124B CN201610928485.XA CN201610928485A CN106444124B CN 106444124 B CN106444124 B CN 106444124B CN 201610928485 A CN201610928485 A CN 201610928485A CN 106444124 B CN106444124 B CN 106444124B
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- back plate
- stamping
- liquid crystal
- crystal display
- shell
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 40
- 238000004080 punching Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- G02F1/133308—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
- G02F1/133314—Back frames
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a back plate structure of a liquid crystal display and the liquid crystal display. The liquid crystal display backboard structure comprises a backboard and a shell arranged on the back of the backboard, wherein a plurality of stamping protrusions formed by stamping the front surface of the backboard towards the back of the backboard are arranged in the middle of the back of the backboard at intervals along the width direction of the backboard, and the stamping protrusions face the shell; an opening is formed at the joint of one side of the stamping protrusion and the backboard so that the stamping protrusion forms a clamping groove; the shell comprises a shell body and a shell top plate connected to the top end of the shell body and arranged towards the back plate, wherein a plurality of buckles are arranged on the inner side of the front end of the shell top plate along the width direction of the shell top plate at intervals, and one buckle is correspondingly clamped in one clamping groove. The liquid crystal display backboard structure and the liquid crystal display can reduce assembly operation steps and manpower and reduce cost of the liquid crystal display.
Description
Technical Field
The present invention relates to the field of liquid crystal displays, and more particularly, to a back plate structure of a liquid crystal display and a liquid crystal display.
Background
At present, the liquid crystal display device is developing towards ultra-thin and curved surface, especially the curved surface market is growing, so that the competition of curved surface products is also more and more vigorous, especially the cost competition is further and more intensified. As is well known, the structural quality of the lcd device determines the inherent cost of the product itself, and the structural design of the back plate and the back case of the general ultrathin lcd device is complex, and many parts are often designed for assembly due to the requirement of realizing multiple functions, so that the material cost and the assembly operation cost of the product are high. As shown in fig. 1, a connecting piece 3 is designed between a back plate 1 'and a shell 2', one side of the connecting piece 3 is locked on the back plate 1 'by a screw, and the other side is in clamping connection with the back shell 2' in a clamping hook mode. In the actual production process of the curved-surface product, the curved radian between the back plate 1 'and the connecting piece 3 and between the back shell 2' and the connecting piece 3 is inconsistent, so that a large gap exists between assembled parts, and the appearance of the product is loose; in addition, in the existing results, a plurality of screws need to be locked, especially when the screw heads are smaller, the locking time is longer, the production efficiency is low, the product reject ratio is higher, and finally the product material cost, the die cost and the manufacturing cost are higher.
Disclosure of Invention
The invention aims to provide a back plate structure of a liquid crystal display and the liquid crystal display, which can reduce assembly operation steps and manpower and reduce the cost of the liquid crystal display.
To achieve the purpose, the invention adopts the following technical scheme:
in one aspect, the invention provides a back plate structure of a liquid crystal display, comprising a back plate and a shell arranged on the back of the back plate,
the middle part of the back surface of the back plate is provided with a plurality of stamping protrusions which are formed by stamping the front surface of the back plate towards the back surface of the back plate at intervals along the width direction of the back plate, and the stamping protrusions face the shell; an opening is formed at the joint of one side of the stamping protrusion and the backboard so that the stamping protrusion forms a clamping groove;
the shell comprises a shell body and a shell top plate connected to the top end of the shell body and arranged towards the back plate, wherein a plurality of buckles are arranged on the inner side of the front end of the shell top plate along the width direction of the shell top plate at intervals, and one buckle is correspondingly clamped in one clamping groove.
Preferably, the height of the top surface of the stamping protrusion relative to the back surface of the back plate is 2-5mm, and the distance between two adjacent stamping protrusions is 20-35mm.
Preferably, the height of the top surface of the stamping protrusion relative to the back surface of the back plate is 3.5mm, the distance between two adjacent stamping protrusions is 30mm.
Preferably, the top surface of the stamping protrusion is a plane or an arc surface with an included angle of 0-10 degrees with the backboard.
Preferably, an included angle between the top surface of the stamping protrusion and the stamping direction of the stamping protrusion is 90 ° -100 °.
Preferably, a chamfer is arranged at the bottom corner of the front side of the buckle, and the chamfer is C multiplied by 45 degrees, wherein C is 1/4-2/3 of the length of the front side surface of the buckle.
Preferably, a plurality of reinforcing ribs are arranged on the inner side of the shell body.
Preferably, a bottom end of the housing body is provided with a housing bottom plate, the housing bottom plate is arranged towards the back plate, and the housing bottom plate is connected to the bottom of the back plate.
Preferably, the back plate and the shell are both in a curved structure, and the curvatures of the back plate and the shell are consistent.
On the other hand, the invention also provides a liquid crystal display, which comprises the liquid crystal display backboard structure.
The beneficial effects of the invention are as follows:
according to the back plate structure of the liquid crystal display and the liquid crystal display, the plurality of stamping protrusions formed by stamping the front surface of the back plate towards the back surface of the back plate are arranged at intervals along the width direction of the back surface of the back plate, and the stamping protrusions face the shell; an opening is arranged at the joint of one side of the stamping bulge and the backboard so that the stamping bulge forms a clamping groove; meanwhile, the shell comprises a shell body and a shell top plate which is connected to the top end of the shell body and faces the back plate, wherein a plurality of buckles are arranged on the inner side of the front end of the shell top plate at intervals along the width direction of the shell top plate, and one buckle is correspondingly clamped in one clamping groove; therefore, the back plate is provided with the clamping groove through the back plate, the shell is provided with the clamping buckle, the back plate and the shell are connected through the matching of the clamping buckle and the clamping groove, and compared with the traditional mode of connecting through the additional connecting piece, the connecting mode is simple and convenient to operate, few parts are involved, assembly operation steps and manpower can be reduced, the number of dies is reduced, and the cost of the liquid crystal display is reduced.
Drawings
FIG. 1 is a schematic diagram showing a connection structure between a back plate and a housing of a liquid crystal display according to the prior art.
Fig. 2 is a schematic view of an angle perspective structure of a back plate structure of a liquid crystal display according to the present invention.
Fig. 3 is a schematic perspective view of another angle of the back plate structure of the lcd in fig. 2.
Fig. 4 is an exploded view of the back plate structure of the lcd in fig. 2.
Fig. 5 is an exploded view of the back plate structure of the lcd in fig. 3.
Fig. 6 is a schematic diagram of a partially enlarged structure of the back plate structure of the liquid crystal display at I in fig. 5.
Fig. 7 is a schematic view of a partially enlarged structure of the back plate structure of the liquid crystal display at II in fig. 5.
FIG. 8 is a schematic cross-sectional view of the back plate structure of the LCD shown in FIG. 3 at A-A.
Fig. 9 is a schematic view of the snap and slot engagement structure of fig. 8.
In the figure: 1' -back plate; a 2' -shell; 3-connectors;
1-a back plate; 2-a housing; 11-stamping the bulge; 12-clamping grooves; 21-a housing body; 22-a housing top plate; 211-reinforcing ribs; 221-catch.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in fig. 2, the present invention provides a back plate structure of a liquid crystal display. The liquid crystal display backboard structure comprises a backboard 1 and a shell 2 arranged on the back of the backboard 1.
As shown in fig. 3 to 9, the rear middle portion of the rear plate 1 is provided with a plurality of punching protrusions 11 at intervals in the width direction thereof, the punching protrusions 11 are punched from the front surface of the rear plate 1 toward the rear surface thereof, the stamping protrusion 11 is disposed toward the housing 2, that is, the stamping protrusion 11 is disposed close to the inner side of the housing 2 after protruding. An opening is formed at the connection between one side of the stamping protrusion 11 and the back plate 1, so that the stamping protrusion 11 forms a clamping groove 12. In this embodiment, the opening is located at the top of the punching protrusion 11, that is, the connection of the top side of the punching protrusion 11 and the back plate 1 is provided with the opening.
As shown in fig. 3 to 9, the housing 2 includes a housing body 21, and a housing top plate 22 attached to the top end of the housing body 21 and disposed toward the back plate 1. A plurality of hooks 221 are provided on the inner side of the front end of the top plate 22 at intervals in the width direction. When in connection, one of the buckles 221 is correspondingly clamped in one of the clamping grooves 12.
Preferably, the top surface of the stamping protrusion 11 is a plane or an arc surface with an included angle of 0-10 ° with the back plate 1. In this embodiment, the top surface of the stamping protrusion 11 is a plane having an angle of 0-10 ° with the back plate 1, and the angle between the top surface of the stamping protrusion 11 and the stamping direction of the stamping protrusion 11 is 90 ° -100 °.
When the top surface of the stamping protrusion 11 is at an angle of 0 ° with the back plate 1, the top surface of the stamping protrusion 11 is parallel to the back plate 1, the included angle between the top surface of the stamping protrusion 11 and the stamping direction of the stamping protrusion 11 is 90 degrees, so that stamping processing is facilitated.
When the top surface of the stamping bulge 11 is 3 degrees with the included angle between the backboard 1, the top surface of the stamping bulge 11 and the backboard 1 are obliquely arranged, the included angle between the top surface of the stamping bulge 11 and the stamping direction of the stamping bulge 11 is 93 degrees, at this time, the top end position of the top surface of the stamping bulge 11 is slightly inclined to the back surface of the backboard 1, so that a certain furling trend exists, and when the buckle is clamped into the clamping groove, the backboard is connected with the shell more tightly by the pulling force of the top surface of the stamping bulge on the buckle, and the connecting gap of the backboard and the shell is effectively reduced.
Preferably, the height of the top surface of the stamping protrusion 11 relative to the back surface of the back plate 1 is 2-5mm, and the distance between two adjacent stamping protrusions 11 is 20-35mm. In this embodiment, the reasonable height and spacing are selected according to the connection tightness requirement of the back plate and the shell, in general, in order to make the connection between the back plate and the shell more tight, the connection gap between the back plate and the shell is effectively reduced, the height of the top surface of the stamping protrusion 11 relative to the back surface of the back plate 1 is 3.5mm, and the spacing between two adjacent stamping protrusions 11 is 30mm.
As shown in fig. 7, the bottom corner of the front side of the buckle 221 is provided with a chamfer, where the chamfer is c×45 °, where C is the length of the chamfer, and C is 1/4-2/3 of the length of the front side of the buckle 221. By means of chamfering, the buckle 221 is conveniently clamped into the clamping groove 12, the situation that the edge bulges touch the backboard is avoided, and the backboard scratch is reduced.
Preferably, a plurality of reinforcing ribs 211 are provided on the inner side of the housing body 21. By providing the reinforcing ribs 211, the strength of the housing can be effectively improved, and the risk of deformation can be reduced. On the basis, the shell and the back plate can be supported by the strong support of the shell, so that better stability and reliability can be provided, and additional accessories are not needed for connection, so that the connection strength of the shell and the back plate is improved. The number of the reinforcing ribs 211 is plural, and the longitudinal direction of the reinforcing ribs 211 is the width direction of the case body 21.
Preferably, a bottom end of the housing body 21 is provided with a housing bottom plate, the housing bottom plate is disposed towards the back plate 1, and the housing bottom plate is connected to a bottom of the back plate 1.
Preferably, the back plate 1 and the housing 2 are both in a curved structure, and the curvatures of the back plate 1 and the housing 2 are consistent. In the embodiment, the problem of connection between the backboard and the shell in the curved product is well solved through the matching of the clamping groove and the clamping buckle.
The invention also provides a liquid crystal display, which comprises the liquid crystal display backboard structure.
The back plate structure of the liquid crystal display and the liquid crystal display have the advantages that when the back plate structure is connected, the buckle of the shell is clamped into the clamping groove from the back surface of the back plate through the opening at the top of the punching bulge, and the back plate structure has the following advantages:
1, the structure of the connecting piece in the traditional structure is reduced, so that other parts brought by the connecting piece, such as screws, screw connecting holes and the like, are omitted, the structure is simplified, the design time is shortened, and new products are marketed in advance.
2, the cost of the reduced parts includes the cost of manufacturing the parts, the cost of the die, the cost of assembly operation, and the like, which account for about 8% of the total cost, thereby reducing the cost of the product.
And 3, the product assembly is simplified, one operation procedure and one labor force are reduced, and the labor cost can be saved by about 1.2 percent.
4, the product can be designed to be thinner, and the width of the rear shell can be designed to be narrower, so that the part cost of the rear shell is reduced by about 0.1% of the total cost.
And 5, the total cost can be reduced by about 10 percent for the whole product, and about 300 ten thousand to 1000 ten thousand yuan can be saved for a company in one year according to 15 yuan per saving calculation.
The technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (7)
1. The back plate structure of the liquid crystal display comprises a back plate (1) and a shell (2) arranged at the back of the back plate (1), and is characterized in that,
the middle part of the back surface of the back plate (1) is provided with a plurality of stamping protrusions (11) which are stamped and formed by the front surface of the back plate (1) towards the back surface of the back plate at intervals along the width direction of the back plate, and the stamping protrusions (11) face the shell (2); an opening is arranged at the joint of one side of the stamping bulge (11) and the backboard (1) so that the stamping bulge (11) forms a clamping groove (12);
the shell (2) comprises a shell body (21) and a shell top plate (22) connected to the top end of the shell body (21) and arranged towards the back plate (1), wherein a plurality of buckles (221) are arranged on the inner side of the front end of the shell top plate (22) at intervals along the width direction of the front end of the shell top plate, and one buckle (221) is correspondingly clamped in one clamping groove (12);
the included angle between the top surface of the stamping protrusion (11) and the backboard (1) is 3 degrees;
the included angle between the top surface of the stamping protrusion (11) and the stamping direction of the stamping protrusion (11) is 93 degrees;
the front side bottom angle of the buckle (221) is provided with a chamfer angle which is C multiplied by 45 degrees, wherein C is 1/4-2/3 of the length of the front side surface of the buckle (221);
the top end position of the top surface of the stamping protrusion (11) is slightly inclined to the back surface of the back plate (1), so that the stamping protrusion tends to be folded.
2. The back plate structure of a liquid crystal display according to claim 1, wherein the height of the top surface of the punching protrusion (11) with respect to the back surface of the back plate (1) is 2-5mm, and the interval between two adjacent punching protrusions (11) is 20-35mm.
3. The structure of claim 2, wherein, the height of the top surface of the stamping protrusion (11) relative to the back surface of the back plate (1) is 3.5mm, and the distance between two adjacent stamping protrusions (11) is 30mm.
4. The liquid crystal display back plate structure according to claim 1, wherein the inner side of the case body (21) is provided with a plurality of reinforcing ribs (211).
5. The back plate structure of a liquid crystal display according to claim 1, wherein a bottom end of the housing body (21) is provided with a housing bottom plate, the housing bottom plate being disposed toward the back plate (1), the housing bottom plate being connected to a bottom of the back plate (1).
6. The back plate structure of a liquid crystal display according to any one of claims 1 to 5, wherein the back plate (1) and the housing (2) are both curved-surface-shaped structures, and the curvatures of the back plate (1) and the housing (2) are uniform.
7. A liquid crystal display comprising the liquid crystal display backplane structure of any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610928485.XA CN106444124B (en) | 2016-10-31 | 2016-10-31 | Liquid crystal display backboard structure and liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610928485.XA CN106444124B (en) | 2016-10-31 | 2016-10-31 | Liquid crystal display backboard structure and liquid crystal display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106444124A CN106444124A (en) | 2017-02-22 |
| CN106444124B true CN106444124B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610928485.XA Active CN106444124B (en) | 2016-10-31 | 2016-10-31 | Liquid crystal display backboard structure and liquid crystal display |
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| Country | Link |
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| CN (1) | CN106444124B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107424512A (en) * | 2017-04-13 | 2017-12-01 | 深圳市华星光电技术有限公司 | Curved surface back board module and flexible displays |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201237681Y (en) * | 2008-06-30 | 2009-05-13 | 福建华映显示科技有限公司 | Buckling structure used for iron frame and backboard of LCD |
| CN202941067U (en) * | 2012-12-04 | 2013-05-15 | 京东方科技集团股份有限公司 | Display module framework and display module |
| CN203337940U (en) * | 2013-06-28 | 2013-12-11 | 京东方科技集团股份有限公司 | Display device |
| CN206147208U (en) * | 2016-10-31 | 2017-05-03 | 奥英光电（苏州）有限公司 | LCD backplate structure and LCD |
-
2016
- 2016-10-31 CN CN201610928485.XA patent/CN106444124B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201237681Y (en) * | 2008-06-30 | 2009-05-13 | 福建华映显示科技有限公司 | Buckling structure used for iron frame and backboard of LCD |
| CN202941067U (en) * | 2012-12-04 | 2013-05-15 | 京东方科技集团股份有限公司 | Display module framework and display module |
| CN203337940U (en) * | 2013-06-28 | 2013-12-11 | 京东方科技集团股份有限公司 | Display device |
| CN206147208U (en) * | 2016-10-31 | 2017-05-03 | 奥英光电（苏州）有限公司 | LCD backplate structure and LCD |
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| Publication number | Publication date |
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| CN106444124A (en) | 2017-02-22 |
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