CN220252348U - Liquid crystal module structure with fixed and attached side edges - Google Patents
Liquid crystal module structure with fixed and attached side edges Download PDFInfo
- Publication number
- CN220252348U CN220252348U CN202321978718.9U CN202321978718U CN220252348U CN 220252348 U CN220252348 U CN 220252348U CN 202321978718 U CN202321978718 U CN 202321978718U CN 220252348 U CN220252348 U CN 220252348U
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- liquid crystal
- light guide
- guide plate
- attached
- plate
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 63
- 239000011521 glass Substances 0.000 claims abstract description 28
- 238000009792 diffusion process Methods 0.000 claims abstract description 13
- 239000003292 glue Substances 0.000 claims abstract description 13
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 239000006260 foam Substances 0.000 claims abstract description 10
- 230000017525 heat dissipation Effects 0.000 claims abstract description 6
- 239000004033 plastic Substances 0.000 claims description 15
- 229920001821 foam rubber Polymers 0.000 claims description 14
- 235000009537 plain noodles Nutrition 0.000 claims 2
- 238000010030 laminating Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 13
- 230000003287 optical effect Effects 0.000 description 13
- 239000010410 layer Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000007688 edging Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000009957 hemming Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Liquid Crystal (AREA)
Abstract
The utility model relates to the technical field of side-in liquid crystal modules, and in order to solve the technical problems that a liquid crystal module structure is thicker and not easy to detach, the utility model discloses a liquid crystal module structure with fixedly attached side edges, a radiator is wrapped on the outer side of a lamp strip, and a diffusion sheet, a composite film and a liquid crystal panel are sequentially arranged on the light emitting surface of a glass light guide plate from inside to outside; the reflective sheet, the glass light guide plate, the diffusion sheet and the composite film form a backlight main body structure, and the backlight main body structure is provided with a wrapping shading film for wrapping the top side, the left side and the right side of the backlight main body structure, wherein the inner upper edge of the liquid crystal panel is attached to the wrapping shading film through PUR glue, and the top of the wrapping shading film is attached to the inner top of the frame plate through foam glue; the back side of the radiator extends upwards to form a heat dissipation gap with the frame plate, and a cushion block is arranged between the heat dissipation gap. The middle frame is omitted, the overall thickness is reduced by the optimized structure, and the easy-to-detach effect is achieved by damaging the foam layer to detach and separate.
Description
Technical Field
The utility model relates to the technical field of side-in liquid crystal modules, in particular to a liquid crystal module structure with fixed and attached side edges.
Background
The existing display devices such as a display and a television adopt side-in type backlight or direct type backlight, wherein the side-in type backlight means that lamp beads are arranged around the display device, and the common form is two sides of the display device or the bottom of the display device. The direct type backlight is characterized in that the lamp beads are arranged on the back of the display device, so that the display device of the direct type backlight is generally thicker than that of the side-in type backlight, the pursuit of the display effect and the service performance is continuously improved, the appearance is exquisite, the cost is low, the maintenance is convenient, and the direct type backlight is one of the problems of continuous research, and the side-in type backlight is often adopted for pursuing the slim and attractive design.
While aesthetic and low cost is sought, higher demands are placed on operability, systemization, standardization, and modularization of product production.
The side-in type LED backlight module comprises an LED light source and a light guide plate, wherein the light guide plate converts a linear light source into a surface light source, the LED light source is arranged on the side face of the light guide plate, and lattice points are formed on the bottom face of the light guide plate. Light emitted by the LED package enters the light guide plate and propagates to the direction of the display panel through reflection and scattering of the reflecting sheet and the mesh points.
As shown in fig. 1, the existing backlight module is composed of a set of back plates as a main structure, and the backlight materials can only be stacked and assembled from the inside of the machine, and the overall strength is softer. The plastic light guide plate 4 and the metal backboard 7 are commonly used, the light guide rate of the plastic light guide plate 4 is low, the required brightness can be achieved only by increasing the luminous intensity of the lamp strip 5, the cost is high, and deformation is easy to generate when the temperature is too high. The plastic light guide plate 4 has large thickness, and a plastic middle frame 8 for supporting the liquid crystal panel 1 is arranged between the plastic light guide plate 4 and the liquid crystal panel 1, and a large distance is reserved between the plastic middle frame and the liquid crystal panel 1, so that the existing backlight module is thicker, which is not beneficial to control the cost and beautiful.
At backlight unit's top, the structure is more, including metal backplate, fixed structure, luminous fluorescent tube, reflector plate, light guide plate, diaphragm series, center, LCD panel and the structure of front bezel (face frame), leads to the LCD module thicker, also difficult dismantlement simultaneously.
Disclosure of Invention
The utility model aims to provide a liquid crystal module structure with fixed and attached side edges, which solves the technical problems of thicker liquid crystal module structure and difficult disassembly in the prior art.
In order to achieve the above purpose, the specific technical scheme of the liquid crystal module structure with the fixed and attached side edges provided by the utility model is as follows:
the liquid crystal module structure with fixed and attached side edges comprises a glass light guide plate and a reflecting sheet arranged on the reflecting surface of the glass light guide plate, wherein a light bar is arranged on the light incident surface of the glass light guide plate, a radiator is wrapped on the outer side of the light bar, and a diffusion sheet, a composite film and a liquid crystal panel are sequentially arranged on the light emergent surface of the glass light guide plate from inside to outside; the reflective sheet, the glass light guide plate, the diffusion sheet and the composite film form a backlight main body structure, and the backlight main body structure is provided with a wrapping shading film for wrapping the top side, the left side and the right side of the backlight main body structure, wherein the inner upper edge of the liquid crystal panel is attached to the wrapping shading film through PUR glue, and the top of the wrapping shading film is attached to the inner top of the frame plate through foam glue; the back side of the radiator extends upwards to form a heat dissipation gap with the frame plate, and a cushion block is arranged between the heat dissipation gap.
The middle frame is eliminated, the liquid crystal panel is directly attached to the edge-covering shading film on the outer layer of the glass light guide plate, and the overall thickness is reduced; the backlight is used for wrapping all three sides of the optical material by the wrapping shading film, so that the whole optical luminous efficacy is effectively utilized, and the optical light leakage problem is solved; the optical structure materials are directly coated and combined and then are attached to the liquid crystal panel to form an integral standard component, so that the production is more standardized.
The liquid crystal panel is attached to the edge-covering shading film through the PUR adhesive, so that dust and impurities are effectively prevented from entering a liquid crystal display area; the rear side of the radiator extends upwards to form a radiating gap with the frame plate, so that the radiating effect of the backlight main body structure can be further improved, and a cushion block is arranged in the gap to play a role in connection; the application of the diffusion sheet and the composite film can optimize the optical performance of the backlight, so that the visual angle of the liquid crystal display is wider and the color is more true.
Further, the cross section of the frame plate is in an inverted L shape.
Further, the front side of the radiator extends upwards to be attached to the lower portion of the light emitting surface of the glass light guide plate, and foam rubber strips are attached between the front side of the radiator and the liquid crystal panel.
Further, the frame plate is made of hardware or plastic.
The liquid crystal module structure with the fixed and attached side edges has the following advantages:
compared with the prior art, the technical scheme ensures that the original display product is changed into a structure of a back plate (back shell), a fixed structural part, a lamp strip, a reflecting sheet, a plastic light guide plate, a membrane, a middle frame, a liquid crystal panel and a front frame (face frame) by a glass light guide plate, a diffusion sheet, a composite film, a reflecting sheet and a shading and edging film, wherein three sides of the reflecting sheet and the shading and edging film are covered to form a backlight optical structure, the glue dispensing layers are used for dispensing four sides and attaching OC liquid crystal display glass to form a liquid crystal module structure combining a liquid crystal module, three sides glue stickers and a frame plate.
The optical structure materials are directly covered and combined and then are attached to the liquid crystal panel to form an integral standard component, and the backlight is used for covering all three sides of the optical materials by the covered shading film, so that the whole optical luminous efficacy is effectively utilized, and the problems of optical light leakage and the like are solved. And then, the four sides of the glue are attached to the liquid crystal panel, so that the assembly mode of the liquid crystal panel is optimized and changed, and the overall thickness is reduced. The assembly and standardization are easy, the subsequent design is simplified, the production and manufacturing difficulty is reduced, meanwhile, the frame plate and the back plate are integrally formed, two large objects can be detached and separated by destroying the foam layer through the foam material characteristics, the fixing mode of a back screw can be eliminated, the technical effect of easy disassembly is achieved, and the whole product is concise, attractive and lighter and thinner.
Drawings
FIG. 1 is a schematic diagram of a prior art backlight module according to the present utility model;
FIG. 2 is a side sectional view of a liquid crystal module structure according to the present utility model;
FIG. 3 is an enlarged view of the upper portion A of the LCD module structure according to the present utility model;
FIG. 4 is an enlarged view of the lower portion B of the LCD module structure according to the present utility model;
FIG. 5 is a cross-sectional view of a glass light guide plate and a light bar according to the present utility model.
In the figure: 1. a liquid crystal panel; 2. a front frame; 3. a membrane; 31. a diffusion sheet; 32. a composite membrane; 4. a plastic light guide plate; 41. a glass light guide plate; 401. a sky side; 402. a light incident surface; 403. a reflective surface; 404. a light-emitting surface; 5. a light bar; 6. a reflection sheet; 7. a heat sink; 8. a middle frame; 9. a hemming shading film; 10. a frame plate; 11. PUR glue; 12. soaking cotton glue; 13. a foam rubber strip; 14. and (5) cushion blocks.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 2 to 5, the liquid crystal module structure with fixed and attached sides provided by the utility model comprises a glass light guide plate 41 and a reflecting sheet 6 arranged on a reflecting surface 403 of the glass light guide plate 41, wherein a light-in surface 402 of the glass light guide plate 41 is provided with a light bar 5, a radiator 7 is wrapped on the outer side of the light bar 5, and a light-out surface 404 of the glass light guide plate 41 is sequentially provided with a diffusion sheet 31, a composite film 32 and a liquid crystal panel 1 from inside to outside; the reflecting sheet 6, the glass light guide plate 41, the diffusion sheet 31 and the composite film 32 form a backlight main body structure, and the backlight main body structure is provided with a wrapping shading film 9 for wrapping the top side 401, the left side and the right side of the backlight main body structure, the inner upper edge of the liquid crystal panel 1 is attached to the wrapping shading film 9 through PUR glue 11, and the top of the wrapping shading film 9 is attached to the inner top of the frame plate 10 through foam glue 12; the rear side of the radiator 7 extends upwards to form a radiating gap with the frame plate 10, and a cushion block 14 is arranged between the radiating gap and the frame plate.
According to the technical scheme, the original display product is composed of a back plate (back shell), a fixed structural part, a lamp strip 5, a reflecting sheet 6, a plastic light guide plate 4, a membrane 3, a middle frame 8, a liquid crystal panel 1 and a front frame 2 (face frame) structure, and is changed into a composite film 32, a diffusion sheet 31, a glass light guide plate 41, a reflecting sheet 6, an end face reflecting film 10 and a radiator 7, and a backlight adhesive layer is formed by three edges of an edge-covering shading film 9 for dispensing, and four edges are attached to the liquid crystal panel, so that a liquid crystal module is formed.
The side frame plate 10 and the back plate are combined into a whole, the foam rubber 12 is fixed on the inner walls of the top side and the left side and the right side of the frame plate 10, and then a backlight unit (backlight main body structure) is arranged in the foam rubber, and the foam rubber 12 is fixedly connected, so that the fixing mode of back screws and the buckling combination mode of the side frame and the back plate can be eliminated, and the whole product is more structurally integrated, concise, attractive and lighter and thinner. The optical structure materials are directly covered and combined to form a backlight unit standard component, and then the backlight unit standard component is glued and adhered to a liquid crystal panel to form the liquid crystal module. The foam double faced adhesive tape is attached to the inner side wall of the frame plate 10, the whole backlight unit or the liquid crystal unit is assembled into the frame plate 10 by utilizing the characteristics of strength, flatness and dimensional processing accuracy of the glass light guide plate 41, and the two large structural members are fixed by utilizing the characteristics of the foam double faced adhesive tape and an interference fit design mode. The structure is easy to assemble and standardize, and meanwhile, the material characteristics of the foam rubber 12 can be utilized to disassemble and separate two large objects by destroying the foam layer, so that the technical effect of easy disassembly is achieved, and the structure can be applied to display products of all side-light type backlight modules.
Wherein the cross section of the frame plate 10 is in an inverted L shape from the left or right view.
Further, the front side of the heat sink 7 is attached to the lower portion of the light exit surface 404 of the glass light guide plate 41 in an extending manner, and a foam rubber strip 13 is attached between the front side of the heat sink 7 and the liquid crystal panel 1.
The foam rubber strip 13 is attached between the front side of the radiator 7 and the liquid crystal panel 1, so that isolation between the radiator and the liquid crystal panel 1 can be realized, heat of the radiator can be prevented from being directly transferred to the liquid crystal panel, and the working stability and service life of the liquid crystal panel 1 are protected; the foam rubber strip 13 can play a certain role in buffering and shockproof, prevent the liquid crystal module from being adversely affected by external shock or impact, and improve the impact resistance and reliability of the product; the sealing by the foam rubber strip 13 also prevents the entry of external dust; in the aspect of installation convenience, the liquid crystal module is more convenient and efficient to assemble and install.
Further, the frame plate 10 is made of hardware or plastic.
In one embodiment, the frame plate 10 is made of hardware, which generally has high strength and stability, and can provide stronger support and structural support for the liquid crystal module; the hardware material has metal texture and more exquisite appearance.
In one embodiment, the frame plate 10 is made of plastic, which is relatively light, so as to reduce the overall weight of the liquid crystal module; the plastic material has good insulating property, can prevent mutual interference between circuits, and improves the reliability and stability of products; the plastic material is generally low in cost, and is beneficial to reducing the manufacturing cost of the product.
In summary, the structure of the liquid crystal module with the fixed and attached side provided by the utility model does not need screw and hook structures, and can solve various optical problems caused by assembly of other products by using an attaching mode; at present, the existing backlight module is characterized in that a set of back plate (back shell) is used as a main body structure, backlight materials can only be assembled in a laminated mode from the inside of the machine, and the whole strength is softer. In the utility model, a glass light guide plate is used as a main body supporting piece of the liquid crystal module, a composite film and a lower diffusion sheet are arranged up and down, and a black shading adhesive (a covered shading film) is used for bonding and wrapping the top side, the left side and the right side of a backlight main body structure in the whole optical material to form a backlight unit; the frame backboard is attached with trilateral foam rubber, the backlight unit is fixed, the lamp strip and the radiator are arranged, the liquid crystal panel is fixedly attached to the upper side and the left side and the right side of the adhesive, the foam rubber (or direct adhesive) is attached to the radiator at the ground side, and the liquid crystal module is assembled. The foam rubber material characteristics can be utilized to destroy the foam layer to detach and separate the two large objects, so that the technical effect of easy detachment is achieved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (4)
1. The utility model provides a liquid crystal module structure of fixed laminating of side, includes glass light guide plate (41) and sets up reflector plate (6) at glass light guide plate (41) reflector surface (403), the income plain noodles (402) of glass light guide plate (41) are provided with lamp strip (5), the outside parcel of lamp strip (5) has radiator (7), its characterized in that, diffusion piece (31), complex film (32), liquid crystal display panel (1) have been set gradually from inside to outside in glass light guide plate (41) play plain noodles (404); the backlight structure is characterized in that the reflecting sheet (6), the glass light guide plate (41), the diffusion sheet (31) and the composite film (32) form a backlight main body structure, the edge-covering shading film (9) used for wrapping the top side, the left side and the right side of the backlight main body structure is arranged, the inner upper edge of the liquid crystal panel (1) is attached to the edge-covering shading film (9) through PUR glue (11), the top of the edge-covering shading film (9) is attached to the inner top of the frame plate (10) through foam glue (12), and the frame plate (10) and the back plate are integrally formed to form the frame back plate; the rear side of the radiator (7) extends upwards to form a heat dissipation gap with the frame plate (10), and a cushion block (14) is arranged between the heat dissipation gap.
2. A side-mounted liquid crystal module structure according to claim 1, wherein the cross section of the frame plate (10) is in an inverted L shape.
3. The liquid crystal module structure with fixed and attached sides according to claim 2, wherein the front side of the radiator (7) extends upwards and is attached to the lower portion of the light emitting surface (404) of the glass light guide plate (41), and a foam rubber strip (13) is attached between the front side of the radiator (7) and the liquid crystal panel (1).
4. A side-mounted liquid crystal module structure according to claim 3, wherein the frame plate (10) is made of hardware or plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321978718.9U CN220252348U (en) | 2023-07-25 | 2023-07-25 | Liquid crystal module structure with fixed and attached side edges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321978718.9U CN220252348U (en) | 2023-07-25 | 2023-07-25 | Liquid crystal module structure with fixed and attached side edges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220252348U true CN220252348U (en) | 2023-12-26 |
Family
ID=89264014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321978718.9U Active CN220252348U (en) | 2023-07-25 | 2023-07-25 | Liquid crystal module structure with fixed and attached side edges |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220252348U (en) |
-
2023
- 2023-07-25 CN CN202321978718.9U patent/CN220252348U/en active Active
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