CN218099871U - Side-in type backlight module and display device - Google Patents
Side-in type backlight module and display device Download PDFInfo
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- CN218099871U CN218099871U CN202221850254.9U CN202221850254U CN218099871U CN 218099871 U CN218099871 U CN 218099871U CN 202221850254 U CN202221850254 U CN 202221850254U CN 218099871 U CN218099871 U CN 218099871U
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- heat dissipation
- mounting groove
- backlight module
- strip
- back plate
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Abstract
The utility model discloses a formula backlight unit and display device are gone into to side, this formula backlight unit is gone into to side includes heat dissipation strip, lamp strip structure, backplate and light guide plate, the side of heat dissipation strip on its width direction has the mounting groove, the notch orientation of mounting groove the middle part of heat dissipation strip sets up, lamp strip structure is located in the mounting groove, follow the length direction of heat dissipation strip extends the setting, the backplate with light guide plate one end all stretch into to in the mounting groove, with lamp strip structure corresponds the setting, the back of backplate is supported the top heat dissipation strip and leading flank form the plane of reflection, have reduced the use of reflector plate and center to material component has been reduced, the assembly requirement has been reduced.
Description
Technical Field
The utility model relates to a LCD technical field, in particular to side income formula backlight unit and display device.
Background
The module material composition of present sidelight type display becomes: the metal stamping back plate, the light bar, the heat dissipation strip, the reflector plate, the light guide plate, the diaphragm and the middle frame. On one hand, the traditional module has too many material composition elements and is complex to assemble, the die sinking cost and the material cost are higher, on the other hand, the lateral entering type backlight module has higher requirements on the assembly process, and when the center alignment of the lamp particles and the light guide plate has deviation, the problem of lamp particle image leakage can occur, namely, the light leakage of the liquid crystal display is shown.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a side income formula backlight unit aims at solving the whole complicated and the high problem of technological requirement of equipment of module.
In order to achieve the above object, the utility model provides a side income formula backlight unit, include:
the heat dissipation strip is provided with a mounting groove at the side end in the width direction, and the notch of the mounting groove is arranged towards the middle part of the heat dissipation strip;
the light bar structure is arranged in the mounting groove and extends along the length direction of the heat dissipation bar;
one end of the back plate extends into the mounting groove, a reflecting surface is formed on the front side surface of the back plate, and the back surface of the back plate is abutted against the heat dissipation strip; and the number of the first and second groups,
and one end of the light guide plate extends into the mounting groove to be correspondingly arranged with the lamp strip structure, and the light guide plate is arranged on the reflecting surface of the back plate.
Optionally, the back plate comprises a back plate front side part, and the back plate front side part comprises a front body and white toner injected and mixed in the front body, so that the front side surface of the back plate can form the reflecting surface; and/or the presence of a gas in the gas,
the backboard comprises a backboard rear side portion, and the backboard rear side portion comprises a rear body and a coloring toner which is injected and mixed in the rear body.
Optionally, the front side wall and/or the rear side wall of the mounting groove are/is provided with a first clamping groove;
the edge of the light bar structure is clamped in the first clamping groove.
Optionally, a lateral diffusion plate is further arranged in the mounting groove, the lateral diffusion plate corresponds to the light bar structure, and is arranged along the width direction of the heat dissipation strip and between the light bar structure and the back plate.
Optionally, a second clamping groove is arranged on the front side wall and/or the rear side wall of the mounting groove;
the edge of the lateral diffusion plate is clamped in the second clamping groove.
Optionally, the back plate and the heat dissipation strip are detachably connected.
Optionally, the lateral backlight module further comprises a clamping connection structure, the clamping connection structure comprises a clamping protrusion and a clamping hole which are clamped and matched with each other, one of the clamping protrusion and the clamping hole is arranged on the back plate, and the other clamping protrusion and the clamping hole are arranged on the heat dissipation strip.
Optionally, the clamping hole is formed in the heat dissipation strip;
the backplate include with the relative first backplate section that sets up of heat dissipation strip, and be in the second backplate section of heat dissipation strip side, the back of second plate section extend with the relative card that sets up of heat dissipation strip is held the arm, the card is protruding to be located the tip of holding the arm is held to the card.
Optionally, the lateral backlight module further comprises an optical film attached to the heat dissipation strip and disposed corresponding to the light guide plate; alternatively, the first and second electrodes may be,
the side-in type backlight module further comprises an optical film, the optical film is arranged corresponding to the light guide plate, and the end portion of the optical film is clamped in the mounting groove.
The utility model also provides a display device, including the aforesaid arbitrary one the side income formula backlight unit.
The utility model discloses technical scheme includes heat dissipation strip, lamp strip structure, backplate and light guide plate, the side of heat dissipation strip on its width direction has the mounting groove, the notch orientation of mounting groove the middle part setting of heat dissipation strip, the lamp strip structure is located in the mounting groove, follow the length direction of heat dissipation strip extends the setting, the backplate with light guide plate one end all stretches into to in the mounting groove, with the lamp strip structure corresponds the setting, the back of backplate is supported the top heat dissipation strip and leading flank form the plane of reflection, and pass through the mounting groove carries out the fixing of position with above-mentioned each component, has reduced the setting of material component center, and the leading flank of backplate is formed with the use that the plane of reflection has reduced the reflector plate, further reduces material component, practices thrift the cost when reducing the equipment degree of difficulty.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of an embodiment of a side-in type backlight module according to the present invention;
FIG. 2 is a schematic perspective view of FIG. 1;
FIG. 3 is a schematic view of the structure of the heat dissipation strip of FIG. 1;
fig. 4 is a schematic view of the back plate of fig. 1.
The reference numbers indicate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | Heat radiation strip | 2 | |
| 11 | |
21 | |
| 111 | |
22 | |
| 112 | |
3 | |
| 113 | First card slot | 4 | |
| 114 | Second card slot | 5 | |
| 12 | Fastening hole | 6 | Optical film |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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 belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The module material composition of present sidelight type display becomes: the metal stamping back plate, the light bar, the heat dissipation strip, the reflector, the light guide sheet, the diaphragm and the middle frame are sequentially arranged. On one hand, the traditional module has too many material composition elements and is complex to assemble, the die sinking cost and the material cost are higher, on the other hand, the lateral entering type backlight module has higher requirements on the assembly process, and when the center alignment of the lamp particles and the light guide plate has deviation, the problem of lamp particle image leakage can occur, namely, the light leakage of the liquid crystal display is shown.
In order to solve the above problem, the utility model provides a display device, display device includes a side income formula backlight unit, display device can be for LCD or TV set, all have side income formula backlight unit's display device is display device, fig. 1 to fig. 4 are the utility model discloses an embodiment.
The embodiment of the utility model provides an in (hereinafter this embodiment), this side income formula backlight unit is as shown in fig. 1 to fig. 2, side income formula backlight unit includes heat dissipation strip 1, lamp strip structure 3, backplate 2 and light guide plate 5, heat dissipation strip 1 has mounting groove 11 at its ascending side of width direction, the notch orientation of mounting groove 11 the middle part of heat dissipation strip 1 sets up, lamp strip structure 3 locates in the mounting groove 11, follow the length direction of heat dissipation strip 1 extends the setting, backplate 2 with 5 one end of light guide plate all stretch into to in the mounting groove 11, with lamp strip structure 3 corresponds the setting, the back of backplate 2 is supported the top heat dissipation strip 1 and leading flank 22 form the plane of reflection, light guide plate 5 is located the plane of reflection of backplate 2.
The utility model discloses technical scheme includes heat dissipation strip 1, lamp strip structure 3, backplate 2 and light guide plate 5, heat dissipation strip 1 has mounting groove 11 at its width direction ascending side, the notch orientation of mounting groove 11 the middle part of heat dissipation strip 1 sets up, lamp strip structure 3 is located in the mounting groove 11, follow the length direction of heat dissipation strip 1 extends the setting, backplate 2 with 5 one end of light guide plate all stretch into to in the mounting groove 11, with lamp strip structure 3 corresponds the setting, the back of backplate 2 is supported the top heat dissipation strip 1 and leading flank 22 form the plane of reflection, and pass through mounting groove 11 carries out the fixed of position with above-mentioned each component, has reduced the setting of material component center, and leading flank 22 of backplate 2 is formed with the use that the plane of reflection has reduced the reflector plate, further reduces material component, practices thrift the cost when reducing the equipment degree of difficulty.
Specifically, the material used for the back panel 2 is not particularly limited, and may be a metal punched back panel 2, but the material cost of the back panel 2 is high, in this embodiment, the back panel 2 adopts a transparent PC board for toner injection molding to reduce the cost, the back panel 2 includes a back panel front side portion, the back panel front side portion includes a front body and a white toner injection-molded and mixed in the front body, a white surface formed by the white toner injection molding has a good reflection effect, so as to form the reflection surface on the front side surface 22 of the back panel 2, and replace the effect of a reflection sheet in a conventional material design, thereby reducing the setting of the material; the front side 22 of the back plate 2 is coated with a reflective coating, which is equal to the effect of a reflector, so as to reduce the use of the reflector and reduce the components of materials, the rear side comprises a rear body and coloring toner which is injected and mixed in the rear body, and the purpose of changing the appearance color is achieved by selecting different colors of toner for injection molding, so that the selectivity of a user is improved; the back plate 2 comprises a front side part and a rear side part, the front side part comprises a front body and a white toner which is formed by injection molding and is arranged in the front body in a mixed mode, a white surface formed by injection molding of the white toner has a good reflection effect, so that the reflecting surface is formed on the front side surface 22 of the back plate 2, the rear side part comprises a rear body and a coloring toner which is formed in the rear body in a mixed mode by injection molding, the purpose of changing the appearance color is achieved by selecting the toners with different colors for injection molding, namely the back plate 2 is a double-color toner injection molding back plate 2, and the appearance selectivity is kept while the use of a reflection sheet is reduced.
With reference to fig. 3, the mounting groove 11 has a front sidewall 111 and a rear sidewall 112, and the front sidewall 111 and/or the rear sidewall 112 are provided with a first engaging groove 113, that is, the first engaging groove 113 is provided on the front sidewall 111; the first clamping groove 113 is formed in the rear side wall 112; the first engaging groove 113 is disposed on both the front sidewall 111 and the rear sidewall 112, that is, the first engaging groove 113 is formed by the front sidewall 111 and the rear sidewall 112. The mode that lamp strip structure 3 installed to first draw-in groove 113 does not do the restriction, can block into for the slant, promptly with 3 one side card of lamp strip structure go into first draw-in groove 113, and then just set lamp strip structure 3, there are other mounting means in addition, no longer here is the list one by one, in this embodiment, lamp strip structure 3 is from the side through its edge card income in first draw-in groove 113, in order with lamp strip structure 3 install to heat dissipation strip 1.
Further, as shown in fig. 2, still be equipped with side direction diffuser plate 4 in the mounting groove 11, side direction diffuser plate 4 corresponds lamp strip structure 3 sets up, follows on the width direction of heat dissipation strip 1, side direction diffuser plate 4 is located lamp strip structure 3 with between the backplate 2, so set up, through side direction diffuser plate 4 mix the light effect will after the light that lamp strip structure 3 sent is received, evenly distributed is in diffuser plate 4 goes up and transfers out, under the prerequisite that need not accurate positioning, prevents to appear leaking the phenomenon of lamp grain shadow, has reduced the requirement to the assembly process, has further improved the stability of light propagation.
Specifically, referring to fig. 3, the front sidewall 111 and/or the rear sidewall 112 of the mounting groove 11 are provided with a second locking groove 114, that is, the second locking groove 114 is provided on the front sidewall 111; the second locking groove 114 is formed in the rear sidewall 112; the second locking groove 114 is disposed on both the front sidewall 111 and the rear sidewall 112, that is, the front sidewall 111 and the rear sidewall 112 together form the second locking groove 114. The manner of installing the diffusion plate 4 to the second card slot 114 is not limited, and may be an oblique card, that is, one side of the diffusion plate 4 is firstly clamped into the second card slot 114, and then the diffusion plate 4 is placed, and there are other installing manners, which are not illustrated one by one, in this embodiment, the diffusion plate 4 is clamped into the first card slot 113 from the side through the edge thereof, so as to install the diffusion plate 4 to the heat dissipation strip 1.
Generally, the connection type between the back plate 2 and the heat dissipation strip 1 is not limited, and may be an integrated processing manner such as welding, and in this embodiment, the back plate 2 and the heat dissipation strip 1 are detachably connected, so as to facilitate part replacement and after-sale maintenance.
Can dismantle the connection and do not do specific restriction, can do heat dissipation strip 1 with adopt double faced adhesive tape or fix with screw between the backplate 2, no longer the list one by one here, in this embodiment, heat dissipation strip 1 with adopt block connection structure to carry out the joint between the backplate 2, block connection structure includes mutual joint complex card protruding 21 and card hole 12, and card protruding 21 and card hole 12 set up respectively heat dissipation strip 1 with on the backplate 2, do not do specific restriction, can be that the protruding 21 setting of card is on heat dissipation strip 1, and card hole 12 sets up on backplate 2, or the protruding 21 setting of card is on backplate 2, and card hole 12 sets up on heat dissipation strip 1, adopts block structure, and the equipment is convenient, and it is convenient to dismantle.
Specifically, the block structure does not do specific restriction, can detain or the thread slipping for the U type, in this embodiment, refer to fig. 4, card hole 12 is located on the heat dissipation strip 1, protruding 21 of card is located on backplate 2, so set up more be convenient for remove heat dissipation strip 1 with be connected between backplate 2, more specifically, backplate 2 include with the relative first backplate 2 section that sets up of heat dissipation strip 1, and be in the relative second backplate 2 section of heat dissipation strip 1 side, 2 sections of first backplate are kept away from the tip card of 2 sections of second backplate is gone into in mounting groove 11 to improve the installation integrity, the back of 2 sections of second backplate extend with the relative card that sets up of heat dissipation strip 1 is held the arm, protruding 21 of card is located the tip of holding the arm and is gone into in heat dissipation strip 1, in order to improve the wholeness and the bulk strength of side income formula template in a poor light.
The side-in backlight module further comprises an optical film 6, wherein the optical film 6 is attached to the heat dissipation strip 1 and is arranged corresponding to the light guide plate 5, generally speaking, the attachment mode of the optical film 6 is not unique, and the optical film can be attached by using glue or Mylar film, which is not listed here; or optical film 6 with its tip card income install in the mounting groove 11, this moment optical film 6, light guide plate 5, backplate 2 and heat dissipation strip 1 have further promoted side income formula backlight unit's wholeness and bulk strength in the mounting groove 11 from the past to the back in proper order.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the inventive concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. A side-in backlight module, comprising:
the heat dissipation strip is provided with a mounting groove at the side end in the width direction, and the notch of the mounting groove is arranged towards the middle part of the heat dissipation strip;
the lamp strip structure is arranged in the mounting groove and extends along the length direction of the heat dissipation strip;
one end of the back plate extends into the mounting groove, a reflecting surface is formed on the front side surface of the back plate, and the back surface of the back plate is abutted to the heat dissipation strip; and (c) a second step of,
and one end of the light guide plate extends into the mounting groove to be correspondingly arranged with the lamp strip structure, and the light guide plate is arranged on the reflecting surface of the back plate.
2. The side-entry backlight module of claim 1, wherein the back plate comprises a back plate front side, the back plate front side comprises a front body and a white toner injection-molded and mixed in the front body, so that the front side of the back plate can form the reflective surface; and/or the presence of a gas in the gas,
the backboard comprises a backboard rear side portion, and the backboard rear side portion comprises a rear body and coloring toner which is injected and mixed in the rear body.
3. The edge-type backlight module of claim 1, wherein the front wall and/or the rear wall of the mounting groove is provided with a first slot;
the edge of the light bar structure is clamped in the first clamping groove.
4. The edge-type backlight module of claim 1, wherein a lateral diffuser plate is disposed in the mounting groove and corresponds to the light bar structure, and the lateral diffuser plate is disposed between the light bar structure and the back plate along the width direction of the heat dissipation bar.
5. The side-entry backlight module of claim 4, wherein the front side wall and/or the rear side wall of the mounting groove is provided with a second locking groove;
the edge of the lateral diffusion plate is clamped in the second clamping groove.
6. The edge-lit backlight module of claim 1, wherein the back plate and the heat sink strip are removably attached.
7. The edge-lit backlight module of claim 6, further comprising a snap-fit connection structure, wherein the snap-fit connection structure comprises a snap projection and a snap hole, the snap projection and the snap hole being snap-fit with each other, one of the snap projection and the snap hole being disposed on the back plate, and the other of the snap projection and the snap hole being disposed on the heat sink strip.
8. The edge-type backlight module of claim 7, wherein the locking hole is disposed in the heat sink strip;
the backplate include with the relative first backplate section that sets up of heat dissipation strip, and be in the second backplate section of heat dissipation strip side, the back of second backplate section extend with the card that the heat dissipation strip set up relatively holds the arm, the protruding locating of card the tip of holding the arm is held to the card.
9. The side-in backlight module of claim 1, further comprising an optical film attached to the heat sink strip and disposed corresponding to the light guide plate; alternatively, the first and second electrodes may be,
the side-in type backlight module further comprises an optical film, the optical film is arranged corresponding to the light guide plate, and the end portion of the optical film is clamped in the mounting groove.
10. A display device, comprising the side-type backlight module as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221850254.9U CN218099871U (en) | 2022-07-18 | 2022-07-18 | Side-in type backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221850254.9U CN218099871U (en) | 2022-07-18 | 2022-07-18 | Side-in type backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218099871U true CN218099871U (en) | 2022-12-20 |
Family
ID=84480593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221850254.9U Active CN218099871U (en) | 2022-07-18 | 2022-07-18 | Side-in type backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218099871U (en) |
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2022
- 2022-07-18 CN CN202221850254.9U patent/CN218099871U/en active Active
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