CN213069420U - Curved surface LED backlight unit structure - Google Patents
Curved surface LED backlight unit structure Download PDFInfo
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- CN213069420U CN213069420U CN202022430344.XU CN202022430344U CN213069420U CN 213069420 U CN213069420 U CN 213069420U CN 202022430344 U CN202022430344 U CN 202022430344U CN 213069420 U CN213069420 U CN 213069420U
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Abstract
The utility model provides a curved surface LED backlight unit structure, it includes the optics diaphragm, the diffuser plate, the metal backplate, first plastic center and liquid crystal display panel, first plastic center detains together with metal backplate integrated circuit board, be equipped with the LED lamp plate in the cavity that metal backplate and first plastic center formed, LED lamp plate and metal backplate fixed connection, the preceding terminal surface of first plastic center is still connected and is equipped with second plastic center, second plastic center is equipped with annular chimb and connecting plate, liquid crystal display panel is in the same place through the preceding terminal surface fixed connection of two-sided bubble celloidin with the connecting plate, the optics diaphragm, the diffuser plate is located in the cavity between first plastic center and the second plastic center in proper order. The curved surface LED backlight module structure adopts the direct type LED lamp panel light source, improves the contrast of brightness and darkness of the liquid crystal panel, is transformed on the basis of the original backlight module without re-opening the mold, saves the production cost of mold opening, and can be widely applied to the technical field of liquid crystal module structures.
Description
Technical Field
The utility model relates to a liquid crystal module technical field, in particular to curved surface LED backlight unit structure.
Background
The existing backlight module basically takes a metal plate back plate as a carrier, a cavity made of optical materials is formed by a peripheral flange and an upper buckled plastic middle frame, a light bar is arranged on the side edge or the bottom plate of the back plate, and a light guide plate, an optical diaphragm, a diffusion plate and the like are assembled inside the back plate.
According to the side light or direct type module structure, the side light bars are arranged on the side edge turning edges of the back plate, and the direct type light bars are fixed on the back plate through screws or adhesive tapes to form a complete cavity for providing a light source for the liquid crystal panel, but the line light source is difficult to improve the contrast of brightness of the liquid crystal panel.
Disclosure of Invention
The utility model aims at providing a simple structure can improve the backlight unit structure of liquid crystal display panel bright and dark contrast, and this structure improves on original backlight unit's basis, has saved a large amount of manufacturing cost.
Therefore, the utility model provides a curved surface LED backlight unit structure, it includes the optics diaphragm, the diffuser plate, the metal backplate, first plastic center and liquid crystal display panel, first plastic center is detained with metal backplate integrated circuit board together, be equipped with the LED lamp plate in the cavity that metal backplate and first plastic center formed, LED lamp plate and metal backplate fixed connection, the preceding terminal surface of first plastic center is still connected and is equipped with second plastic center, second plastic center is equipped with annular chimb and connecting plate, liquid crystal display panel locates the inboard of annular chimb and is in the same place through the preceding terminal surface fixed connection of two-sided bubble celloidin with the connecting plate, the optics diaphragm, the diffuser plate is located in the cavity between first plastic center and the second plastic center in proper order.
Preferably, evenly distributed is equipped with a plurality of LED lamp pearls on the LED lamp plate.
Preferably, the front end face of the first plastic middle frame and the lower end face of the second plastic middle frame are connected together through double-faced foam rubber.
Preferably, the first plastic middle frame is provided with a supporting plate, and the diffusion plate and the optical diaphragm are arranged between the supporting plate and the connecting plate and fixedly connected with the supporting plate.
Preferably, the metal back plate is provided with a plurality of wire holes.
The utility model provides a curved surface LED backlight unit structure has following beneficial effect:
the utility model discloses an optics diaphragm, the diffuser plate, the metal backplate, first plastic center and liquid crystal display panel, be equipped with the LED lamp plate in the cavity that metal backplate and first plastic center formed, LED lamp plate and metal backplate fixed connection, the preceding terminal surface of first plastic center is still connected and is equipped with second plastic center, second plastic center is equipped with annular chimb and connecting plate, liquid crystal display panel locates the inboard of annular chimb and is in the same place through the preceding terminal surface fixed connection of two-sided bubble celloidin with the connecting plate, optics diaphragm, the diffuser plate is located in the cavity between first plastic center and the second plastic center in proper order.
This curved surface LED backlight unit structure reforms transform on the basis of original backlight unit structure and forms, utilize current metal backplate structure, especially whole strengthening rib structure, be equipped with the LED lamp plate in the cavity between metal backplate and first plastic center, first plastic center front end is equipped with a second plastic center and bears liquid crystal display panel, and optics diaphragm, the diffuser plate is located in the cavity between first plastic center and the second plastic center in proper order, it is the pointolite to change the line light source, the contrast of liquid crystal display panel light and dark has effectively been promoted.
The utility model discloses simple structure, and reform transform on original basis and form, a mould is dual-purpose, has reduced the die sinking expense, for the enterprise has saved a large amount of manufacturing cost, has promoted holistic aesthetic property, has realized the natural transition upgrading of product.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the cross-sectional view of the present invention.
The labels in the figure are: 1. the LED lamp comprises an optical membrane, 2 parts of a diffusion plate, 3 parts of a metal back plate, 4 parts of a first plastic middle frame, 5 parts of a liquid crystal panel, 6 parts of an LED lamp panel, 7 parts of a second plastic middle frame, 8 parts of an annular convex edge, 9 parts of a connecting plate, 10 parts of a supporting plate and 12 parts of an annular inserting strip.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments to assist understanding of the invention. The method used in the utility model is a conventional method if no special regulation is provided; the raw materials and the apparatus used are, unless otherwise specified, conventional commercially available products.
As shown in fig. 1-2, the utility model provides a curved surface LED backlight module structure, it includes optics diaphragm 1, diffuser plate 2, metal backplate 3, first plastic center 4 and liquid crystal display panel 5, and first plastic center 4 is in the same place with 3 buckles of metal backplate. Be equipped with LED lamp plate 6 in the cavity that metal back plate 3 and first plastic center 4 formed, LED lamp plate 6 and 3 fixed connection of metal back plate, evenly distributed is equipped with a plurality of LED lamp pearls on the LED lamp plate 6.LED lamp pearl evenly sets up on LED lamp plate 6, compares side income formula lamp source or LED lamp strip, and the line source of becoming is the area source, can show the contrast that improves 5 light and darkness of liquid crystal display panel.
The front end face of the first plastic middle frame 4 is also connected with a second plastic middle frame 7, the second plastic middle frame 7 is provided with an annular convex edge 8 and a connecting plate 9, the lower end face of the connecting plate 9 is provided with an annular inserting strip 12, the annular inserting strip 12 is arranged on the inner side of the side edge of the first plastic middle frame 4, and the first plastic middle frame 4 and the second plastic middle frame 7 are fixedly connected together through double-faced foam cotton rubber, so that the first plastic middle frame 4 and the second plastic middle frame 7 form a whole; the liquid crystal panel 5 is arranged on the inner side of the annular convex edge 8 and is fixedly connected with the front end face of the connecting plate 9 through double-faced foam rubber. The first plastic middle frame 4 is further provided with a support plate 10, and the diffusion plate 2 and the optical film 1 are arranged between the support plate 10 and the connecting plate 9 and fixedly connected with the support plate 10. 6 area light source requirements of LED lamp plate require that LED lamp pearl and diffuser plate 2 and optics diaphragm 1 have a certain distance, so optics diaphragm 1, diffuser plate 2 do not establish in the cavity between metal back 3 and first plastic center 4, but locate the cavity between first plastic center 4 and second plastic center 7 in proper order in, promote the bright contrast ratio dark of liquid crystal display panel 5.
The metal back plate 3 is also provided with a plurality of wire holes, the back of the LED lamp panel 6 is provided with a chip and a control circuit, and the control circuit comes out from the wire holes and is connected with an external circuit; during assembly, the back of the metal back plate 3 is additionally buckled with a plastic rear shell for wiring, so that the whole appearance is attractive. The first plastic middle frame 4 and the second plastic middle frame 7 adopt an up-down structural form, so that money exchange of different colors is realized, and the selling points of products are increased; the first plastic middle frame 4 and the second plastic middle frame 7 can also adopt an internal and external structural form, so that the whole structure is more compact.
The utility model discloses change ordinary sidelight source into the mode in a poor light of the area source of straight following formula Mini LED lamp plate 6, show and improve the bright contrast ratio dark of liquid crystal display panel 5, saved a large amount of manufacturing cost, but wide application in liquid crystal module technical field.
In the description of the present invention, it should be understood that the terms "left", "right", "upper", "lower", "top", "bottom", "front", "rear", "inner", "outer", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
However, the above description is only an embodiment of the present invention, and the scope of the present invention should not be limited thereto, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.
Claims (5)
1. The utility model provides a curved surface LED backlight unit structure, its includes optics diaphragm, diffuser plate, metal backplate, first plastic center and liquid crystal display panel, first plastic center with the metal backplate buckle is in the same place, a serial communication port, the metal backplate with be equipped with the LED lamp plate in the cavity that first plastic center formed, the LED lamp plate with metal backplate fixed connection, the preceding terminal surface of first plastic center is still connected and is equipped with second plastic center, second plastic center is equipped with annular chimb and connecting plate, liquid crystal display panel locates the inboard of annular chimb through two-sided foam cotton glue with the preceding terminal surface fixed connection of connecting plate is in the same place, the optics diaphragm the diffuser plate is located in proper order first plastic center with in the cavity between the second plastic center.
2. The curved-surface LED backlight module structure of claim 1, wherein a plurality of LED lamp beads are uniformly distributed on the LED lamp panel.
3. The LED backlight module structure with curved surface of claim 1, wherein the front end surface of the first plastic middle frame and the lower end surface of the second plastic middle frame are connected together by double-sided foam adhesive.
4. The structure of claim 1, wherein the first plastic bezel has a supporting plate, and the diffuser plate and the optical film are disposed between the supporting plate and the connecting plate and fixedly connected to the supporting plate.
5. The structure of claim 1, wherein the metal back plate has a plurality of wire holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022430344.XU CN213069420U (en) | 2020-10-28 | 2020-10-28 | Curved surface LED backlight unit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022430344.XU CN213069420U (en) | 2020-10-28 | 2020-10-28 | Curved surface LED backlight unit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213069420U true CN213069420U (en) | 2021-04-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022430344.XU Active CN213069420U (en) | 2020-10-28 | 2020-10-28 | Curved surface LED backlight unit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213069420U (en) |
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2020
- 2020-10-28 CN CN202022430344.XU patent/CN213069420U/en active Active
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