CN114137765B - LED lamp power supply connection structure of backlight module - Google Patents
LED lamp power supply connection structure of backlight module Download PDFInfo
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- CN114137765B CN114137765B CN202111502107.2A CN202111502107A CN114137765B CN 114137765 B CN114137765 B CN 114137765B CN 202111502107 A CN202111502107 A CN 202111502107A CN 114137765 B CN114137765 B CN 114137765B
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- 238000004804 winding Methods 0.000 claims abstract description 13
- 238000009792 diffusion process Methods 0.000 claims description 29
- 239000011324 bead Substances 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 6
- 230000008093 supporting effect Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000001125 extrusion Methods 0.000 abstract description 4
- 210000003811 finger Anatomy 0.000 abstract description 2
- 210000003813 thumb Anatomy 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
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- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, sheet or layer
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0051—Diffusing sheet or layer
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- 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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0437—Channels
- H02G3/045—Channels provided with perforations or slots permitting introduction or exit of wires
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a power supply connection structure of an LED lamp of a backlight module, which relates to the technical field of backlight modules, in particular to a power supply connection structure of an LED lamp of a backlight module, comprising the following components: the front cover plate, the rear end of front cover plate is fixed with the back frame through the bolt, the spread groove has been seted up to the rear end outer wall of back frame, the inside of spread groove is fixed with the fixed plate through the bolt, the one end outer wall connection that the spread groove was kept away from to the fixed plate has the spliced pole, the junction of spliced pole and fixed plate is fixed with the column neck. This backlight unit's LED lamp power supply connection structure is provided with micro motor, and micro motor can drive gear rotation to drive the ring gear rotation with gear engagement, the ring gear drives the carousel again and rotates, and then reaches and need not artifical manual the tearing off with the fingers and thumb, and the mechanized effect of adjusting the rotation angle of carousel, and penetrates the wire winding groove and follow the carousel rotation when the carousel rotates through the cable that the inlet wire groove penetrated, can not take place the extrusion with carousel or base and lead to the cable damaged.
Description
Technical Field
The invention relates to the technical field of backlight modules, in particular to a power supply connection structure of an LED lamp of a backlight module.
Background
The backlight module is a backlight module for providing a backlight source in LCD display products, and generally comprises a backlight source, a plurality of layers of backlight materials and a supporting frame. The backlight quality determines important parameters such as brightness, emergent light uniformity, color gradation and the like of the liquid crystal display screen, and determines the luminous effect of the liquid crystal display screen to a great extent. And part of backlight modules adopt LED lamps as background light sources, and power supply and connection modes and structures of the LED lamps need to be optimized.
The LED lamp power supply connection structure of the existing backlight module cannot generally adjust the direction and angle of the backlight module in the use process, and the backlight module or the connection structure thereof is manually pulled during adjustment, so that the internal cables or the structure are damaged due to overlarge hand strength or overlarge adjustment angle in the adjustment process.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an LED lamp power supply connection structure of a backlight module, which solves the problems that the direction and the angle of the backlight module cannot be regulated in the use process of the existing LED lamp power supply connection structure of the backlight module in the prior art, the backlight module or the connection structure thereof needs to be manually pulled by a person during regulation, and the internal cables or the structure is damaged easily due to overlarge hand strength or overlarge regulation angle in the regulation process.
In order to achieve the above purpose, the invention is realized by the following technical scheme: a power supply connection structure of an LED lamp of a backlight module comprises:
the front cover plate, the rear end of front cover plate is fixed with the back frame through the bolt, the rear end outer wall of back frame has seted up the spread groove, the inside of spread groove is fixed with the fixed plate through the bolt, the one end outer wall that the fixed plate kept away from the spread groove is connected with the spliced pole, the junction of spliced pole and fixed plate is fixed with the column neck, the lower extreme of spliced pole is fixed with the carousel, the outside ring of carousel is equipped with the base, the both sides outer wall of base is fixed with the stabilizer blade, the one end outer wall that the base is close to the back frame inlays and is equipped with the control cabinet, the one end outer wall that the base kept away from the back frame has seted up the inlet channel;
the winding groove is formed in the lower end of the inner wall of the base, a miniature motor is embedded in the inner wall of one end, close to the base, of the supporting legs, a gear is fixed at the output end of the miniature motor, a gear ring is arranged on the outer wall of the lower end of the rotary table in a ring mode, and the gear ring is meshed with the lower end of the gear ring.
Optionally, the back frame passes through the spread groove and forms the detachable connection between fixed plate, and the spliced pole passes through the column neck and constitutes vertical structure between fixed plate and the back frame to the central axis position coincidence of spliced pole, carousel and base.
Optionally, the carousel passes through the ring gear and constitutes the rotation connection between gear and the output of micro motor, and the ring gear coincides with the axis position of carousel to the carousel coincides with the appearance structure of base.
Optionally, the connecting column is further provided with:
the threading chamber, it is seted up the inside of spliced pole, the one end that the post neck was kept away from to the threading chamber is connected with the outer wall of carousel, the upper end of threading chamber is connected with the cavity, and the cavity is seted up the inside of post neck, the post neck is kept away from the one end outer wall of fixed plate and is articulated to have the access cover, the through wires hole has been seted up to the one end that the access cover was kept away from to the post neck, and the through wires hole run through in the middle part of fixed plate.
Optionally, the incoming line groove forms the communication structure through between threading chamber and cavity and the through wires hole, and forms the communication structure between wire winding groove and the threading chamber to the access cover forms the surrounding structure through between plunger neck and the cavity.
Optionally, the connecting groove is further provided with:
the wire inlet is formed in the middle of the inner wall of the connecting groove, first wire grooves are formed in the two ends of the inner wall of the wire inlet, arc-shaped grooves are formed in the two ends of the first wire grooves, the other end of each first wire groove is connected with a second wire groove, the second wire grooves are formed in the inner walls of the two sides of the rear frame, one end, far away from the first wire groove, of each second wire groove is connected with a lamp holder, the lamp holders are embedded in the two sides of the inner portion of the front cover plate, reflecting covers are paved on the inner walls of the lamp holders, LED lamp beads are welded in the inner portions of the lamp holders, backlight plate groups are installed on the inner sides of the lamp holders, and the backlight plate groups are fixed in the middle of the front cover plate.
Optionally, mutually perpendicular between first wire casing and the second wire casing, and constitute I shape structure between first wire casing and the second wire casing to be parallel to each other between lamp stand and the first wire casing, LED lamp pearl is equidistant evenly distributed along the inside of lamp stand simultaneously.
Optionally, the backlight unit further comprises:
the reflecting sheet is arranged on the innermost layer of the backlight plate group, a light guide plate is paved on the outer side surface of the reflecting sheet, a lower diffusion sheet is arranged on the other side surface of the light guide plate, a lower light collecting sheet is fixed on the other side surface of the lower diffusion sheet, an upper light collecting sheet is connected with the other side surface of the lower light collecting sheet, and an upper diffusion sheet is paved on the other side surface of the upper light collecting sheet.
Optionally, the reflecting sheet is closely attached between the inner wall of the front cover plate and the surface of one end far away from the light guide plate, and the light guide plate is parallel to the LED lamp beads, and the light guide plate, the lower diffusion sheet, the lower light collecting sheet, the upper light collecting sheet and the upper diffusion sheet are parallel to each other.
The invention provides a power supply connection structure of an LED lamp of a backlight module, which has the following beneficial effects:
1. this backlight unit's LED lamp power supply connection structure is provided with micro motor, and micro motor can drive gear rotation to drive the ring gear rotation with gear engagement, the ring gear drives the carousel again and rotates, and then reaches and need not artifical manual the tearing off with the fingers and thumb, and the mechanized effect of adjusting the rotation angle of carousel, and penetrates the wire winding groove and follow the carousel rotation when the carousel rotates through the cable that the inlet wire groove penetrated, can not take place the extrusion with carousel or base and lead to the cable damaged.
2. The fixed plate and the spliced pole that set up are dismantlement formula structure, can carry out quick assembly disassembly through the bolt, and cable etc. are accomodate by traditional external structure conversion to bundling, and the uniformity is better, reduces the scattered degree of connecting cable when this backlight unit is connected with external equipment.
3. The through wires hole that sets up is arranged in penetrating the power supply cable that the entrance slot department penetrated and control cable etc. tied in a bundle and penetrates in the back frame, and when L font structure's threading chamber was worn the cable, because of curved turning and less edges and corners make the cable outer wall friction loss less when the activity, the life of extension cable.
4. The first wire casing and the second wire casing that set up pass through I shape structure, wear to establish with the zero line and the live wire of being connected on the lamp stand separately, reduce the probability that takes place the short circuit because of the overlap joint is touched to the zero line live wire mistake in the circuit, and the I shape structure of first wire casing and second wire casing combination is more easy to arrange in order than ordinary arborescent circuit structure, is difficult for taking place intertwine between the cable.
5. The reflector and the reflector plate are used for intensively reflecting the light source emitted by the LED lamp beads to the light guide plate, so that the dissipation of light is reduced, the light guide plate is used for guiding the propagation direction of the light, the light is propagated to the upward diffusion plate, the lower diffusion plate and the upper diffusion plate are used for enabling the light to be distributed more uniformly, and the upper light collecting plate and the lower light collecting plate are used for enabling the propagation direction of the light to be more concentrated, so that the backlight effect of the backlight module is enhanced.
Drawings
FIG. 1 is a schematic view of a rear perspective view of the assembled state of the present invention;
FIG. 2 is an enlarged perspective view of a portion of a connector post and base of the present invention;
FIG. 3 is a schematic view of a base and legs of the present invention in a partially cut-away perspective configuration;
FIG. 4 is a schematic view of a partially cut-away perspective structure of a connecting column, neck and turntable according to the present invention;
FIG. 5 is a schematic view of a rear perspective view of a front bezel and a rear bezel portion of the present invention;
FIG. 6 is a schematic view of a front cover plate and a rear frame of the present invention partially in a cross-sectional perspective structure;
FIG. 7 is a schematic top plan view of a front cover plate and a rear frame portion of the present invention;
fig. 8 is a schematic view of a partial cross-sectional plane structure of a lamp socket and a backlight unit according to the present invention.
In the figure: 1. a front cover plate; 2. a rear frame; 3. a connecting groove; 4. a fixing plate; 5. a column neck; 6. a connecting column; 7. a turntable; 8. a base; 9. a console; 10. a support leg; 11. wire inlet groove; 12. an access cover; 13. a wire inlet hole; 14. an arc-shaped groove; 15. a first wire chase; 16. a wire winding groove; 17. a micro motor; 18. a gear; 19. a cavity; 20. a threading hole; 21. a threading cavity; 22. a gear ring; 23. a second wire slot; 24. a lamp holder; 25. a backlight panel group; 26. a reflection cover; 27. LED lamp beads; 28. a light guide plate; 29. a reflection sheet; 30. a lower diffusion sheet; 31. a lower light collecting piece; 32. the upper light collecting piece; 33. and an upper diffusion sheet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 2, the present invention provides a technical solution: a power supply connection structure of an LED lamp of a backlight module comprises: the front cover plate 1, the rear end of the front cover plate 1 is fixed with the rear frame 2 through the bolt, the rear end outer wall of the rear frame 2 is provided with the connecting groove 3, the inside of the connecting groove 3 is fixed with the fixed plate 4 through the bolt, the rear frame 2 is detachably connected with the fixed plate 4 through the connecting groove 3, one end outer wall of the fixed plate 4 far away from the connecting groove 3 is connected with the connecting column 6, the joint of the connecting column 6 and the fixed plate 4 is fixed with the column neck 5, the connecting column 6 forms a vertical structure through the column neck 5 and between the fixed plate 4 and the rear frame 2, the lower end of the connecting column 6 is fixed with the turntable 7, the outer part of the turntable 7 is annularly provided with the base 8, the turntable 7 is coincident with the appearance structure of the base 8, the central axis positions of the connecting column 6, the turntable 7 and the base 8 are coincident, the fixed plate 4 and the connecting column 6 are of a detachable structure, the traditional external connection structure can be changed into a cluster type through the bolt for quick disassembly and assembly, the uniformity is better, and the disorder degree of the connecting cable when the backlight module is connected with external equipment is reduced; the outer walls of the two sides of the base 8 are fixedly provided with support legs 10, and the support legs 10 are fixed on the two sides of the base 8 and used for providing stable support for the base 8 and an upper end connecting structure thereof so as to prevent side tilting; a console 9 is embedded on the outer wall of one end of the base 8, which is close to the rear frame 2, and the console 9 is used for controlling circuit power supply and switching, and can provide a certain supporting effect to prevent the base 8, the front cover plate 1 at the upper end and the rear frame 2 from toppling to one side of the console 9; the wire inlet groove 11 has been seted up to the one end outer wall that the back frame 2 was kept away from to the base 8, and wire inlet groove 11 is used for inwards wearing to establish cable etc. makes power supply and control cable accomodate into this structure inside unifying, reduces the mess degree of outside cable etc..
Referring to fig. 3 to 4, a power supply connection structure for an LED lamp of a backlight module includes a wire winding groove 16, which is formed at the lower end of the inner wall of a base 8, a micro motor 17 is embedded in the inner wall of one end of a support leg 10 close to the base 8, a gear 18 is fixed at the output end of the micro motor 17, a gear ring 22 is annularly arranged on the outer wall of the lower end of a turntable 7, the gear ring 22 coincides with the central axis of the turntable 7, the gear 18 is meshed with the lower end of the gear ring 22, the turntable 7 is in rotary connection with the output end of the micro motor 17 through the gear ring 22 and the gear 18, the arranged micro motor 17 can drive the gear 18 to rotate, thereby driving the gear ring 22 meshed with the gear 18 to rotate, the gear ring 22 drives the turntable 7 to rotate, thereby achieving the effect of adjusting the rotation angle of the turntable 7 without manual pulling, and a cable penetrating through the wire inlet groove 11 is penetrated into the wire winding groove 16 to rotate along with the turntable 7 when the turntable 7 rotates, and the cable is not damaged due to extrusion with the turntable 7 or the base 8; the threading cavity 21 is formed in the connecting column 6, a communication structure is formed between the winding groove 16 and the threading cavity 21, one end, far away from the column neck 5, of the threading cavity 21 is connected to the outer wall of the rotary table 7, the upper end of the threading cavity 21 is connected with the cavity 19, the cavity 19 is formed in the column neck 5, the access cover 12 forms an enclosing structure through the column neck 5 and the cavity 19, the access cover 12 can be opened, an access personnel can conveniently check cables in the cavity 19, and the cable is simply maintained, so that convenience of the structure in maintenance is improved; the one end outer wall that fixed plate 4 was kept away from to the column neck 5 articulates there is access cover 12, the through wires hole 20 has been seted up to the one end that access cover 12 was kept away from to the column neck 5, constitute the communication structure between wire inlet groove 11 and cavity 19 and the through wires hole 20, and the through wires hole 20 runs through in the middle part of fixed plate 4, the through wires hole 20 that sets up is arranged in penetrating in the back frame 2 tied in a bundle such as the power supply cable and the control cable that wire inlet groove 11 department penetrated, and when L font structure's through wires chamber 21 penetrates the cable, make the cable outer wall friction loss less when the activity because of curved turning and less edges and corners, the life of extension line cable.
Referring to fig. 5 to 7, a power supply connection structure of an LED lamp of a backlight module comprises a wire inlet 13, a first wire slot 15, an arc slot 14, a second wire slot 23, an I-shaped structure, a first wire slot 15 and a second wire slot 23, wherein the wire inlet 13 is formed in the middle of the inner wall of the connecting slot 3, the first wire slot 15 is formed at two ends of the inner wall of the wire inlet 13, the arc slot 14 is formed at two ends of the first wire slot 15, the second wire slot 23 is connected at the other end of the first wire slot 15, the I-shaped structure is formed between the first wire slot 15 and the second wire slot 23, the first wire slot 15 and the second wire slot 23 are mutually perpendicular, the second wire slot 23 is formed on two inner walls of the rear frame 2, the arranged first wire slot 15 and the second wire slot 23 are used for penetrating a zero wire and a fire wire connected on a lamp holder 24 separately through the I-shaped structure, the probability of short circuit caused by false contact lap joint of the zero wire in the circuit is reduced, and the I-shaped structure combined with the first wire slot 15 and the second wire slot 23 is more easily arranged than a common tree-shaped circuit structure, and mutual winding between the wires is not easy to occur; the lamp holder 24 is connected to one end of the second wire groove 23 far away from the first wire groove 15, the lamp holder 24 and the first wire groove 15 are parallel to each other, the lamp holder 24 is embedded on two sides of the interior of the front cover plate 1, the reflecting cover 26 is laid on the inner wall of the lamp holder 24, the LED lamp beads 27 are welded in the lamp holder 24, the LED lamp beads 27 are uniformly distributed at equal intervals along the interior of the lamp holder 24, the plurality of LED lamp beads 27 welded on the lamp holder 24 are used for providing a light source required by the backlight module, and compared with a CCFL fluorescent lamp, the LED lamp beads 27 have the advantages of more power saving, no yellowing and darkening and more environmental protection in use; the inside of the lamp socket 24 is installed with a backlight plate group 25, and the backlight plate group 25 is fixed at the middle part of the front cover plate 1, the backlight plate group 25 is used for reducing the power consumption of the display structure, enhancing the environmental protection, and removing the lamp tube structure by using the LED lamp beads 27, so that the thickness of the backlight plate is greatly reduced.
Referring to FIG. 8, a power supply connection structure for an LED lamp of a backlight module comprises a reflective sheet 29, wherein the reflective sheet 29 is arranged on the innermost layer of the backlight plate set 25, one end surface of the reflective sheet 29, which is far away from the light guide plate 28, is tightly attached to the inner wall of the front cover plate 1, the light guide plate 28 is laid on the outer side surface of the reflective sheet 29, the light guide plate 28 and the LED light beads 27 are mutually parallel, a lower diffusion sheet 30 is arranged on the other side surface of the light guide plate 28, a lower light collecting sheet 31 is fixed on the other side surface of the lower diffusion sheet 30, an upper light collecting sheet 32 is connected on the other side surface of the lower light collecting sheet 31, an upper diffusion sheet 33 is laid on the other side surface of the upper light collecting sheet 32, and the light guide plate 28, the lower diffusion sheet 30, the lower light collecting sheet 31, the upper light collecting sheet 32 and the upper diffusion sheet 33 are mutually parallel, the reflective cover 26 and the reflective sheet 29 are used for intensively reflecting light sources emitted by the LED light beads 27 to the light guide plate 28, so that the light dissipation of light is reduced, the light is used for guiding the propagation direction of the light guide plate 28, the upper diffusion sheet 33 is made to propagate at the position of the upper diffusion sheet 33, the lower diffusion sheet 33, the upper diffusion sheet 33 is made to be more uniformly distributed on the other side, and the upper diffusion sheet is made to be more uniform, and the light collecting and light is made to propagate in the direction.
In summary, the power supply connection structure of the LED lamp of the backlight module is used, firstly, the front cover plate 1 and the rear frame 2 of the backlight module are fixedly connected together through bolts, then, the power line, the control line and the like on the lamp holders 24 arranged on two sides inside the front cover plate 1 penetrate into the first wire slot 15 through the second wire slots 23, the power line is distinguished through the zero line, the fire line, the control line and the like, and respectively penetrate through the second wire slots 23 on two sides, so that the probability of short circuit caused by wrong overlapping of the fire line and other lines is reduced, the cables penetrating out of the first wire slot 15 are penetrated out of the wire inlet holes 13 formed on the rear frame 2, redundant cables can be coiled in the arc-shaped grooves 14 formed on the inner wall of the wire inlet holes 13 to prevent the cables from winding and knotting, and then, the cables are inserted into the threading holes 20 formed on one ends of the fixing plate 4 and the column neck 5, the cable is connected by inserting the cavity 19 at the other side of the threading hole 20 into the threading cavity 21 in the connecting column 6, the cable at the cavity 19 can be simply checked and maintained by opening the access cover 12, the maintenance convenience of the structure is improved, the structure is more convenient to use, then the fixing plate 4 is fixedly arranged in the connecting groove 3 formed on the rear frame 2 through bolts, the fixing plate 4 is tightly connected with the rear frame 2 to prevent the rear frame 2 from shaking when being placed, the cable which is threaded out from the port of the threading cavity 21 at one side of the turntable 7 is threaded out of the wire inlet groove 11 formed on one side of the base 8, the turntable 7 is meshed with the gear 18 which is connected with one side of the inside of the base 8 through the embedded micro motor 17 through the ring gear 22 which is annularly arranged on the inner wall, the micro motor 17 is embedded in the inner wall of one end of the support leg 10 which is fixed at two sides of the base 8 and is close to the base 8, the occupied space is small, the stability of the base 8 is improved by matching the self weight and the higher structural strength with the supporting legs 10, then the micro motor 17 can be controlled by the console 9 to drive the gear 18 to rotate, the gear 18 drives the gear ring 22 and the rotary table 7 to rotate, when the rotary table 7 rotates, an internal cable can be wound in a winding groove 16 formed on the inner wall of the base 8 and cannot be extruded with the joint of the rotary table 7 and the base 8, so that the probability of cable pulling or extrusion breakage is reduced, finally when the backlight module is powered on, the LED lamp beads 27 welded in the lamp holder 24 can emit light sources, the emitted light sources are reflected by the reflecting cover 26 on the inner wall of the lamp holder 24 and the reflecting sheet 29 at the lowermost end of the backlight plate group 25, the light source is concentrated and injected into the light guide plate 28 for guiding the light source propagation direction, the light guide plate 28 guides the light source to the lower diffusion sheet 30, the light source enables the light rays to be emitted from the upper end of the lower diffusion sheet 30 more uniformly under the action of the lower diffusion sheet 30, the light source is then injected into the lower light collecting sheet 31 and the upper light collecting sheet 32, the light source divergence direction is enabled to be more inclined to the angle of a vertical emitting surface under the aggregation action of the lower light collecting sheet 31 and the upper light collecting sheet 32, finally the light source is enabled to be softer under the secondary light uniform action of the upper diffusion sheet 33, the brightness attenuation is lower, the display brightness of the display device is enhanced through the light source, and therefore the effects of reducing the power consumption of the display device and enhancing the environmental protection are achieved.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a LED lamp power supply connection structure of backlight unit which characterized in that includes:
the novel anti-theft device comprises a front cover plate (1), wherein a rear frame (2) is fixed at the rear end of the front cover plate (1) through bolts, a connecting groove (3) is formed in the outer wall of the rear end of the rear frame (2), a fixing plate (4) is fixed inside the connecting groove (3) through bolts, a connecting column (6) is connected to the outer wall of one end, far away from the connecting groove (3), of the fixing plate (4), a column neck (5) is fixed at the joint of the connecting column (6) and the fixing plate (4), a turntable (7) is fixed at the lower end of the connecting column (6), a base (8) is arranged on the outer ring of the turntable (7), supporting legs (10) are fixed on the outer walls of the two sides of the base (8), a control console (9) is embedded on the outer wall of one end, close to the rear frame (2), of the base (8) is far away from the base (8), and a wire inlet groove (11) is formed in the outer wall of one end, far away from the rear frame (2).
The wire winding groove (16) is formed in the lower end of the inner wall of the base (8), a miniature motor (17) is embedded in the inner wall of one end, close to the base (8), of the supporting leg (10), a gear (18) is fixed at the output end of the miniature motor (17), a gear ring (22) is arranged on the outer wall of the lower end of the rotary disc (7) in a ring mode, and the gear (18) is meshed with the lower end of the gear ring (22);
the connecting column (6) is also provided with:
the threading cavity (21) is formed in the connecting column (6), one end, far away from the column neck (5), of the threading cavity (21) is connected with the outer wall of the rotary disc (7), the upper end of the threading cavity (21) is connected with a cavity (19), the cavity (19) is formed in the column neck (5), the outer wall of one end, far away from the fixed plate (4), of the column neck (5) is hinged with the access cover (12), one end, far away from the access cover (12), of the column neck (5) is provided with the threading hole (20), and the threading hole (20) penetrates through the middle part of the fixed plate (4);
the wire inlet groove (11) forms a communication structure with the wire through hole (20) through the wire through cavity (21) and the cavity (19), and forms a communication structure between the wire winding groove (16) and the wire through cavity (21), and the access cover (12) forms a surrounding structure through between the column neck (5) and the cavity (19).
2. The power supply connection structure for an LED lamp of a backlight module according to claim 1, wherein: the rear frame (2) is detachably connected with the fixing plate (4) through the connecting groove (3), the connecting column (6) is in a vertical structure with the rear frame (2) through the column neck (5) and the fixing plate (4), and the central axis positions of the connecting column (6), the rotary table (7) and the base (8) are overlapped.
3. The power supply connection structure for an LED lamp of a backlight module according to claim 1, wherein: the turntable (7) is rotationally connected with the output end of the micro motor (17) through a gear ring (22) and a gear (18), the gear ring (22) is coincident with the central axis of the turntable (7), and the turntable (7) is coincident with the appearance structure of the base (8).
4. The power supply connection structure for an LED lamp of a backlight module according to claim 1, wherein: the connecting groove (3) is also provided with:
the wire inlet hole (13), it is in the inner wall middle part of spread groove (3), first wire casing (15) have been seted up at the inner wall both ends of wire inlet hole (13), arc wall (14) have been seted up at the both ends of first wire casing (15), the other end of first wire casing (15) is connected with second wire casing (23), and second wire casing (23) are seted up the both sides inner wall of back frame (2), the one end that first wire casing (15) was kept away from to second wire casing (23) is connected with lamp stand (24), and lamp stand (24) are inlayed the inside both sides of preceding board (1), reflection housing (26) have been laid to the inner wall of lamp stand (24), the inside welding of lamp stand (24) has LED lamp pearl (27), backlight unit (25) are installed to the inboard of lamp stand (24), and backlight unit (25) are fixed the middle part of preceding board (1).
5. The power supply connection structure for an LED lamp of a backlight module according to claim 4, wherein: the LED lamp is characterized in that the first wire groove (15) and the second wire groove (23) are mutually perpendicular, an I-shaped structure is formed between the first wire groove (15) and the second wire groove (23), the lamp holder (24) and the first wire groove (15) are mutually parallel, and meanwhile LED lamp beads (27) are uniformly distributed at equal intervals along the inside of the lamp holder (24).
6. The power supply connection structure for an LED lamp of a backlight module according to claim 5, wherein: the backlight unit (25) is further provided with:
the reflector plate (29), it sets up the innermost layer of back light plate group (25), light guide plate (28) have been laid to the outside surface of reflector plate (29), diffusion piece (30) have been settled to the opposite side surface of light guide plate (28), the opposite side surface of diffusion piece (30) is fixed with down light collecting piece (31), the opposite side surface of light collecting piece (31) is connected with light collecting piece (32) down, go up light collecting piece (32) opposite side surface and laid last diffusion piece (33).
7. The power supply connection structure for an LED lamp of a backlight module according to claim 6, wherein: the reflecting sheet (29) is closely attached between the inner wall of the front cover plate (1) and the surface of one end far away from the light guide plate (28), the light guide plate (28) and the LED lamp beads (27) are mutually parallel, and the light guide plate (28), the lower diffusion sheet (30), the lower light collecting sheet (31), the upper light collecting sheet (32) and the upper diffusion sheet (33) are mutually parallel.
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| KR20080079561A (en) * | 2007-02-27 | 2008-09-01 | 변용근 | Display device, swivel apparatus for the display device and usage method for the display device |
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