CN218630438U - Liquid crystal display television and backlight device thereof - Google Patents
Liquid crystal display television and backlight device thereof Download PDFInfo
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- CN218630438U CN218630438U CN202222003665.0U CN202222003665U CN218630438U CN 218630438 U CN218630438 U CN 218630438U CN 202222003665 U CN202222003665 U CN 202222003665U CN 218630438 U CN218630438 U CN 218630438U
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- liquid crystal
- fixing
- backlight device
- circuit board
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Abstract
The utility model relates to a technical field that TV is shaded specifically is a liquid crystal television backlight device, which comprises a circuit board, it has the power socket to distribute on the circuit board, power socket and circuit board electric connection still include: the periphery of the reflecting plate is provided with an inclined surface; the fixing assemblies are distributed in the back plate, one ends of the fixing assemblies are movably connected with the connecting seats arranged on the lamp beads, and one ends of the connecting seats are typically connected with the power supply seat. The utility model discloses the LCD TV and backlight device thereof that set up, the reflecting plate can effectively eliminate the influence of highlight, and even picture luminance promotes the homogeneity of backlight display, and fixed subassembly can realize the fixed and release to the connecting seat, conveniently overhauls and changes the lamp pearl, improves the maintenance and the change efficiency to the lamp pearl, guarantees that the circuit board can not appear damaging when the lamp pearl is changing at the lamp pearl.
Description
Technical Field
The utility model relates to a TV technical field that is shaded specifically is a liquid crystal television and backlight device thereof.
Background
Backlights are a form of illumination commonly used in the electronics industry for LCD displays. Backlights are often used to increase the illumination in low light environments and the brightness of computer displays and liquid crystal screens to produce light in a manner similar to CRT displays. The light source may be an incandescent light bulb, an electro-optic panel (ELP), a Light Emitting Diode (LED), or a Cold Cathode Fluorescent Lamp (CCFL). The electro-optic panel provides uniform light across the surface, while other backlight modules use diffusers to provide uniform light from non-uniform light sources. The backlight may be of any color, monochrome liquid crystals typically have yellow, green, blue and white backlights, while color displays use white-white since they cover the most colored light.
The traditional backlight device is provided with a circuit board, a reflecting plate and lamp beads, wherein the lamp beads are electrically arranged on the circuit board, and the light emitted by the lamp beads is reflected to a display screen by an emitting sheet; along with the development of economy and science and technology, the technique of being shaded is along with progressively upgrading again, make lamp pearl quantity in the backlight unit less and less, and the power of single lamp constantly increases, correspond the facula that lamp pearl mapped to the reflector plate, there is the inhomogeneous condition of local brightness, and the lamp pearl is after using one section time limit, under the heat of self and external condition's dual influence, the lamp pearl easily breaks down the scheduling problem, it overhauls and changes to need the staff, and lamp pearl among the current backlight unit is fixed on the circuit board mostly, make the lamp pearl when overhauing and changing, it is comparatively troublesome to dismantle, easily cause the damage to the circuit board.
Therefore, in view of the above situation, there is a need to develop a liquid crystal television and a backlight device thereof to overcome the shortcomings of the current practical application.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a LCD TV and backlight device thereof to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a liquid crystal TV backlight device, includes the circuit board, the circuit board sets up in the backplate of liquid crystal TV, it has the power socket to distribute on the circuit board, power socket and circuit board electric connection still include:
the reflecting plate is fixed in the back plate, the periphery of the reflecting plate is provided with inclined planes, and the reflecting plate is used for reflecting light emitted by the lamp beads to the liquid crystal display screen;
the fixing assemblies are distributed in the back plate, one ends of the fixing assemblies are movably connected with the connecting seats arranged on the lamp beads, one ends of the connecting seats are typically connected with the power supply seat, and the fixing assemblies are used for fixing the lamp beads and the connecting seats on the power supply seat.
As a further aspect of the present invention: the reflecting plate is provided with through holes, and the through holes are used for installing the lamp beads and the fixing component.
As a further aspect of the present invention: fixed subassembly includes the fixing base, removes seat, adjustment piece, sliding seat, first elastic component, grip slipper and second elastic component, the fixing base distributes in the backplate, it sets up in the fixing base to remove the seat activity, just the both ends of removing the seat all extend outside the fixing base, the adjustment piece sets up on removing the seat, the both ends of adjustment piece link to each other with the lateral wall activity of sliding seat and grip slipper respectively, the sliding seat sets up in the fixing base through first elastic component activity, the one end of grip slipper links to each other with the lateral wall activity of fixing base, the other end of grip slipper extends outside the fixing base, the both ends of second elastic component link to each other with the other end of grip slipper and the outer wall of fixing base respectively.
As a further aspect of the present invention: the other end of the clamping seat is movably connected with the connecting seat, a clamping groove is formed in the connecting position between the clamping seat and the connecting seat, and the inner diameter of the clamping groove is larger than the outer diameter of the lamp bead.
As a further aspect of the present invention: the elastic force of the second elastic member is greater than that of the first elastic member.
The liquid crystal display television comprises a back plate, a liquid crystal display screen and a liquid crystal television backlight device, wherein the liquid crystal display screen and the liquid crystal television backlight device are both arranged on the back plate of the liquid crystal display television.
Compared with the prior art, the beneficial effects of the utility model are that:
the periphery of the reflecting plate is provided with the inclined planes, so that light emitted by the lamp beads can be effectively and diffusively reflected to the liquid crystal display screen, the influence of strong light is effectively eliminated, the picture brightness is uniform, the uniformity of backlight display is improved, and the picture quality of the whole liquid crystal television is improved;
when the lamp beads need to be overhauled and replaced, the moving seat drives the adjusting piece to move leftwards, the adjusting piece drives one end of the clamping seat to ascend, at the moment, the sliding seat is always attached to the side wall of the adjusting piece under the elastic force of the first elastic piece, the clamping seat ascends to release the connecting seat, the lamp beads are preferentially installed on the connecting seat in a threaded manner, the lamp beads and the connecting seat are taken down from the power supply seat, and then the lamp beads are screwed out of the connecting seat, so that the lamp beads are overhauled and replaced, the overhauling and replacing efficiency of the lamp beads is improved, and the circuit board is guaranteed not to be damaged when the lamp beads are replaced;
when the lamp beads are installed, the connecting seat is placed on the power supply seat, the moving seat is loosened, the second elastic piece drives the clamping seat to move downwards through the elastic force of the second elastic piece, the connecting seat is fixed on the power supply seat through the clamping seat, and the clamping seat drives the moving seat to move to the initial state through the adjusting piece.
Drawings
Fig. 1 is a schematic side view of the structural section of the lcd tv of the present invention.
Fig. 2 is an enlarged schematic view of the structure at a in fig. 1.
Fig. 3 is a side view in cross-section of the fastening assembly of fig. 2.
Fig. 4 is a top view of a portion of the holder shown in fig. 2.
In the figure: 1-backboard, 2-liquid crystal display screen, 3-reflector, 31-through hole, 4-circuit board, 5-lamp bead, 51-connecting seat, 6-fixing component, 61-fixing seat, 62-moving seat, 63-adjusting component, 64-sliding seat, 65-first elastic component, 66-clamping seat, 67-second elastic component, 68-clamping groove and 7-power seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
The technical solution of the present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1, as an embodiment of the utility model provides a liquid crystal television, including backplate 1 and liquid crystal display 2, still include liquid crystal television backlight unit, liquid crystal display 2 and liquid crystal display television backlight unit all set up on liquid crystal television backplate 1.
As shown in fig. 1 to 4, the lcd tv backlight device according to an embodiment of the present invention includes a circuit board 4, the circuit board 4 is disposed in a back plate 1 of the lcd tv, a power socket 7 is distributed on the circuit board 4, and the power socket 7 is electrically connected to the circuit board 4; the backlight device of the liquid crystal television further comprises:
the reflecting plate 3 is fixed in the back plate 1, the periphery of the reflecting plate 3 is provided with inclined planes, and the reflecting plate 3 is used for reflecting light emitted by the lamp beads 5 to the liquid crystal display screen 2;
the lamp holder comprises a fixing component 6, the fixing component 6 is distributed in the back plate 1, one end of the fixing component 6 is movably connected with a connecting seat 51 arranged on the lamp bead 5, one end of the connecting seat 51 is typically connected with a power socket 7, and the fixing component 6 is used for fixing the lamp bead 5 and the connecting seat 51 on the power socket 7.
In this embodiment, the influence of highlight can effectively be eliminated to reflecting plate 3, and even picture luminance promotes the homogeneity that is shaded and shows, and fixed subassembly 6 can realize the fixed and release to connecting seat 51, conveniently overhauls lamp pearl 5 and changes, improves maintenance and the change efficiency to lamp pearl 5, guarantees that lamp pearl 5 when changing, phenomenon such as damage can not appear in circuit board 4.
As shown in fig. 1 and 2, as a preferred embodiment of the present invention, the reflector 3 is distributed with through holes 31, and the through holes 31 are used for installing the lamp beads 5 and the fixing components 6.
As shown in fig. 1 to 4, as a preferred embodiment of the present invention, the fixing assembly 6 includes a fixing seat 61, a moving seat 62, an adjusting member 63, a sliding seat 64, a first elastic member 65, a clamping seat 66 and a second elastic member 67, the fixing seat 61 is distributed in the back plate 1, the moving seat 62 is movably disposed in the fixing seat 61, both ends of the moving seat 62 extend to the outside of the fixing seat 61, the adjusting member 63 is disposed on the moving seat 62, both ends of the adjusting member 63 are movably connected to the side walls of the sliding seat 64 and the clamping seat 66, the sliding seat 64 is movably disposed in the fixing seat 61 through the first elastic member 65, one end of the clamping seat 66 is movably connected to the side wall of the fixing seat 61, the other end of the clamping seat 66 extends to the outside of the fixing seat 61, both ends of the second elastic member 67 are respectively connected to the other end of the clamping seat 66 and the outer wall of the fixing seat 61.
As shown in fig. 4, as a preferred embodiment of the present invention, the other end of the clamping seat 66 is movably connected to the connecting seat 51, and a clamping groove 68 is provided at a connecting position between the clamping seat 66 and the connecting seat 51, wherein an inner diameter of the clamping groove 68 is larger than an outer diameter of the lamp bead 5.
As shown in fig. 2 and 3, as a preferred embodiment of the present invention, the elastic force of the second elastic member 67 is greater than the elastic force of the first elastic member 65.
In the embodiment, the periphery of the reflecting plate 3 is provided with the inclined planes, so that light emitted by the lamp beads 5 can be effectively and diffusely reflected to the liquid crystal display screen 2, the influence of strong light is effectively eliminated, the picture brightness is uniform, the uniformity of backlight display is improved, and the picture quality of the whole liquid crystal television is improved;
when the lamp bead 5 needs to be overhauled and replaced, the moving seat 62 drives the adjusting piece 63 to move leftwards, the adjusting piece 63 drives one end of the clamping seat 66 to ascend, at the moment, the sliding seat 64 is always attached to the side wall of the adjusting piece 63 under the elastic force of the first elastic piece 65, the clamping seat 66 is lifted, so that the connecting seat 5 is released, the lamp bead 5 is preferentially installed on the connecting seat 51 in a threaded manner, the lamp bead 5 and the connecting seat 51 are taken down from the power supply seat 7, and then the lamp bead 5 is screwed out of the connecting seat 51, so that the overhauling and replacement of the lamp bead 5 are realized, the overhauling and replacement efficiency of the lamp bead 5 is improved, and the phenomenon that the circuit board 4 is damaged and the like is avoided when the lamp bead 5 is replaced;
when the lamp bead 5 is installed, the connecting seat 51 is placed on the power seat 7, the moving seat 62 is released, the second elastic member 67 drives the clamping seat 66 to move downwards through the elastic force of the second elastic member, the clamping seat 66 fixes the connecting seat 51 on the power seat 7, and the clamping seat 66 drives the moving seat 62 to move to the initial state through the adjusting member 63.
In a preferred embodiment, the adjusting member 63 is preferably a cylindrical structure;
the first elastic member 65 and the second elastic member 67 are preferably a spring.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a liquid crystal television backlight device, includes the circuit board, the circuit board sets up in the backplate of liquid crystal television, it has the power socket to distribute on the circuit board, power socket and circuit board electric connection, its characterized in that still includes:
the reflecting plate is fixed in the back plate, the periphery of the reflecting plate is provided with inclined planes, and the reflecting plate is used for reflecting light emitted by the lamp beads to the liquid crystal display screen;
the fixing assemblies are distributed in the back plate, one ends of the fixing assemblies are movably connected with the connecting seats arranged on the lamp beads, one ends of the connecting seats are typically connected with the power socket, and the fixing assemblies are used for fixing the lamp beads and the connecting seats on the power socket.
2. The lcd tv backlight device of claim 1, wherein the reflecting plate has through holes distributed thereon, and the through holes are used for installing the lamp beads and the fixing component.
3. The lcd tv backlight device according to claim 2, wherein the fixing assembly comprises a fixing base, a moving base, an adjusting member, a sliding base, a first elastic member, a clamping base and a second elastic member, the fixing base is disposed in the back plate, the moving base is movably disposed in the fixing base, two ends of the moving base extend out of the fixing base, the adjusting member is disposed on the moving base, two ends of the adjusting member are movably connected to the sliding base and the side wall of the clamping base, respectively, the sliding base is movably disposed in the fixing base through the first elastic member, one end of the clamping base is movably connected to the side wall of the fixing base, the other end of the clamping base extends out of the fixing base, and two ends of the second elastic member are connected to the other end of the clamping base and the outer wall of the fixing base, respectively.
4. The backlight device of claim 3, wherein the other end of the holder is movably connected to the connecting base, and a holding groove is formed at a connecting position between the holder and the connecting base, and an inner diameter of the holding groove is larger than an outer diameter of the lamp bead.
5. The lcd-tv backlight device according to claim 3, wherein the second elastic member has an elastic force greater than that of the first elastic member.
6. A liquid crystal television comprising a back plate and a liquid crystal display, characterized by further comprising the liquid crystal television backlight device of any one of claims 1 to 5, wherein the liquid crystal display and the liquid crystal television backlight device are both arranged on the back plate of the liquid crystal television.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222003665.0U CN218630438U (en) | 2022-08-01 | 2022-08-01 | Liquid crystal display television and backlight device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222003665.0U CN218630438U (en) | 2022-08-01 | 2022-08-01 | Liquid crystal display television and backlight device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218630438U true CN218630438U (en) | 2023-03-14 |
Family
ID=85459002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222003665.0U Active CN218630438U (en) | 2022-08-01 | 2022-08-01 | Liquid crystal display television and backlight device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218630438U (en) |
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2022
- 2022-08-01 CN CN202222003665.0U patent/CN218630438U/en active Active
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