CN218273002U - Backlight source - Google Patents
Backlight source Download PDFInfo
- Publication number
- CN218273002U CN218273002U CN202222180341.4U CN202222180341U CN218273002U CN 218273002 U CN218273002 U CN 218273002U CN 202222180341 U CN202222180341 U CN 202222180341U CN 218273002 U CN218273002 U CN 218273002U
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- Prior art keywords
- drain pan
- seted
- fixture block
- lamp base
- outside
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Abstract
The utility model belongs to the technical field of the display panel technique and specifically relates to a backlight source is related to, including the drain pan, follow supreme range upon range of reflecting plate in proper order down in the drain pan, light guide plate and blooming, demountable installation has a face frame on the drain pan, the top surface of blooming is hugged closely to the bottom surface of face frame, the light inlet has been seted up to one of them lateral wall of drain pan, the outside of drain pan articulates there is the lamp base board, the lamp base board can overturn and laminate in the outside of drain pan in order to shield the light inlet, the outside shaping of drain pan has the picture peg, the shaping has the bullet arm on the picture peg, the terminal shaping of bullet arm has the fixture block, the slot has been seted up to one side that is close to the drain pan on the lamp base board, the communicating card hole with the slot has been seted up to the top surface of lamp base board, the light trough has still been seted up to one side that is close to the drain pan on the lamp base board, be equipped with LED lamp strip in the light trough, when LED lamp strip breaks down, can press the fixture block to make the fixture block break away from the card hole, alright turn over messenger light trough, maintain or expose the change, it is very convenient to maintain again.
Description
Technical Field
The utility model belongs to the technical field of the display panel technique and specifically relates to a backlight is related to.
Background
The backlight is a light source located behind a Liquid Crystal Display (LCD) to provide the LCD with a uniform, stable and bright planar light source, so that the LCD can display images. The existing backlight source mainly comprises a frame, an LED lamp strip arranged inside the frame, a light guide plate, an optical diaphragm and the like, wherein the LED lamp strip is the most important component part in the backlight source and is also an easily damaged part in the backlight source.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.
The utility model provides a backlight source, including the drain pan, from supreme range upon range of reflecting plate that is provided with in proper order down in the drain pan, light guide plate and blooming, demountable installation has a face frame on the drain pan, the top surface of blooming is hugged closely to the bottom surface of face frame, the light inlet has been seted up to one of them lateral wall of drain pan, the outside of drain pan articulates there is the lamp holder board, the lamp holder board can overturn and laminate in the outside of drain pan in order to shield the light inlet, the outside shaping of drain pan has the picture peg, the shaping has the bullet arm on the picture peg, the terminal shaping of bullet arm has the fixture block, the slot has been seted up to one side that is close to the drain pan on the lamp holder board, the top surface of lamp holder board has seted up with the communicating card hole of slot, when the lamp holder board overturns the outside that fits in the drain pan, the picture peg inserts in the card hole under the effect of bullet arm, the lamp holder board is last to be close to one side of drain pan and has still seted up the lamp groove, be equipped with LED lamp strip in the lamp groove.
As a further aspect of the present invention: the face frame is provided with a plurality of fixing holes, screws penetrate through the fixing holes, the top surface of the side wall of the bottom shell is provided with threaded holes corresponding to the fixing holes, and the screws penetrate through the fixing holes and are screwed into the threaded holes.
As a further aspect of the present invention: the bottom surface of the face frame is formed with a positioning lug, and the top surface of the side wall of the bottom shell is formed with a positioning hole corresponding to the positioning lug.
As a further aspect of the present invention: the lamp base plate is made of aluminum alloy materials, and heat conducting glue is arranged between the inner wall of the lamp groove and the LED lamp strip.
As a further aspect of the present invention: the section of the clamping block is in a right trapezoid shape, and the inclined surface of the clamping block faces the bottom of the slot.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up the lamp base board in the drain pan outside, and set up LED lamp strip in the light trough on the lamp base board, when LED lamp strip breaks down, can press down the fixture block and make the fixture block break away from the card hole, alright make the light trough expose with the lamp base board upset, maintain or change the LED lamp strip in the light trough again, it is very convenient to maintain, and, in the maintenance process of LED lamp strip, the drain pan, the face frame, the reflecting plate, the light guide plate need not be disassembled with the blooming, can not be to the drain pan, the face frame, the reflecting plate, the light guide plate causes any harmful effects with the blooming, ensure that the backlight functional performance after the maintenance is still reliable and stable.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is another schematic structural diagram of the present invention.
Fig. 3 is a schematic view of the structure of the light trough of the present invention.
Fig. 4 is a schematic view of the structure of the face frame of the present invention.
Fig. 5 is a schematic view of the structure of the insert plate of the present invention.
Fig. 6 is a schematic view of the structure of the heat-conducting glue of the present invention.
In the figure: 1. the LED lamp comprises a bottom shell, 2 parts of a reflecting plate, 3 parts of a light guide plate, 4 parts of an optical film, 5 parts of a face frame, 6 parts of a light inlet, 7 parts of a lamp base plate, 8 parts of an inserting plate, 9 parts of an elastic arm, 10 parts of a clamping block, 11 parts of an inserting groove, 12 parts of a clamping hole, 13 parts of a lamp groove, 14 parts of an LED lamp strip, 15 parts of a fixing hole, 16 parts of a screw, 17 parts of a threaded hole, 18 parts of a positioning hole, 19 parts of a heat-conducting glue.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but 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.
Referring to fig. 1 to 6, in an embodiment of the present invention, a backlight source includes a bottom shell 1, a reflective plate 2, a light guide plate 3 and an optical film 4 are sequentially stacked from bottom to top in the bottom shell 1, a face frame 5 is detachably mounted on the bottom shell 1, a bottom surface of the face frame 5 is closely attached to a top surface of the optical film 4, a light inlet 6 is formed on one side wall of the bottom shell 1, a lamp base plate 7 is hinged to an outer side of the bottom shell 1, the lamp base plate 7 can be turned over to fit the outer side of the bottom shell 1 to shield the light inlet 6, an insertion plate 8 is formed on the outer side of the bottom shell 1, an elastic arm 9 is formed on the insertion plate 8, a clamping block 10 is formed at an end of the elastic arm 9, a slot 11 is formed on one side of the lamp base plate 7 close to the bottom shell 1, a clamping hole 12 communicated with the slot 11 is formed on the top surface of the lamp base plate 7, when the lamp base plate 7 is turned over and attached to the outer side of the bottom shell 1, the inserting plate 8 is inserted into the inserting groove 11, the clamping block 10 is clamped into the clamping hole 12 under the action of the elastic arm 9, the lamp groove 13 is further formed in one side, close to the bottom shell 1, of the lamp base plate 7, the LED lamp strip 14 is arranged in the lamp groove 13, the utility model discloses a lamp base plate 7 is arranged on the outer side of the bottom shell 1, the LED lamp strip 14 is arranged in the lamp groove 13 on the lamp base plate 7, when the LED lamp strip 14 has a fault, the fixture block 10 can be pressed to separate the fixture block 10 from the fixture hole 12, the lamp base plate 7 can be turned over to expose the lamp groove 13, and then the LED lamp strip 14 in the lamp groove 13 can be maintained or replaced, so that the maintenance is very convenient, and, in the maintenance process of the LED light bar 14, the bottom case 1, the face frame 5, the reflective plate 2, the light guide plate 3, and the optical film 4 do not need to be disassembled, so that any adverse effect on the bottom case 1, the face frame 5, the reflective plate 2, the light guide plate 3, and the optical film 4 is not caused, and the backlight functional performance after maintenance is ensured to be stable and reliable.
The face frame 5 is provided with a plurality of fixing holes 15, screws 16 penetrate through the fixing holes 15, threaded holes 17 corresponding to the fixing holes 15 are formed in the top surface of the side wall of the bottom shell 1, and the screws 16 penetrate through the fixing holes 15 and are screwed into the threaded holes 17.
The bottom surface of the face frame 5 is formed with a positioning lug (not marked in the figure), the top surface of the side wall of the bottom shell 1 is formed with a positioning hole 18 corresponding to the positioning lug (not marked in the figure), the face frame 5 and the bottom shell 1 are connected and fixed through a screw 16, so that the face frame and the bottom shell are firmly and reliably connected, the assembly and the disassembly are convenient, and the relative position between the bottom shell 1 and the face frame 5 can be more accurate through the arrangement of the positioning lug (not marked in the figure) and the positioning hole 18.
The lamp base plate 7 is made of aluminum alloy materials, the heat conducting glue 19 is arranged between the inner wall of the lamp groove 13 and the LED lamp strips 14, heat generated by the LED lamp strips 14 can be transmitted to the lamp base plate 7 through the heat conducting glue 19, and the lamp base plate 7 is made of aluminum alloy materials, so that the lamp base plate has good heat dissipation performance, the heat can be dissipated quickly, the heat dissipation efficiency of the LED lamp strips 14 is improved, and the service life is prolonged.
The sectional shape of the fixture block 10 is a right trapezoid, and the inclined surface of the fixture block 10 faces the bottom of the slot 11, so that the fixture block 10 can be better clamped into the fixture hole 12.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (5)
1. A backlight, characterized by: including the drain pan, from supreme range upon range of reflecting plate that is provided with in proper order down in the drain pan, light guide plate and blooming, demountable installation has a face frame on the drain pan, the top surface of blooming is hugged closely to the bottom surface of face frame, the light inlet has been seted up to one of them lateral wall of drain pan, the outside of drain pan articulates there is the bedplate, the bedplate can overturn and laminate in the outside of drain pan in order to shield the light inlet, the outside shaping of drain pan has the picture peg, the shaping has the bullet arm on the picture peg, the terminal shaping of bullet arm has the fixture block, the slot has been seted up to one side that is close to the drain pan on the bedplate, the top surface of bedplate has seted up with the communicating card hole of slot, when the bedplate overturns the laminating in the outside of drain pan, the picture peg inserts in the slot, and the fixture block goes into the card hole under the effect of bullet arm, the lantern trough has still been seted up to one side that is close to the drain pan on the bedplate, be equipped with LED lamp strip in the lantern trough.
2. A backlight as claimed in claim 1, wherein: the top surface of the side wall of the bottom shell is provided with threaded holes corresponding to the fixing holes, and the screws penetrate through the fixing holes and are screwed into the threaded holes.
3. A backlight as claimed in claim 2, wherein: the bottom surface of the face frame is formed with a positioning lug, and the top surface of the side wall of the bottom shell is formed with a positioning hole corresponding to the positioning lug.
4. A backlight as claimed in claim 1, wherein: the lamp base plate is made of aluminum alloy materials, and heat conducting glue is arranged between the inner wall of the lamp groove and the LED lamp strip.
5. A backlight as claimed in claim 1, wherein: the section of the fixture block is in a right trapezoid shape, and the inclined plane of the fixture block faces the bottom of the slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222180341.4U CN218273002U (en) | 2022-08-17 | 2022-08-17 | Backlight source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222180341.4U CN218273002U (en) | 2022-08-17 | 2022-08-17 | Backlight source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218273002U true CN218273002U (en) | 2023-01-10 |
Family
ID=84774565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222180341.4U Active CN218273002U (en) | 2022-08-17 | 2022-08-17 | Backlight source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218273002U (en) |
-
2022
- 2022-08-17 CN CN202222180341.4U patent/CN218273002U/en active Active
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