CN213423658U - Backlight display module with uniform light emission - Google Patents
Backlight display module with uniform light emission Download PDFInfo
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- CN213423658U CN213423658U CN202022343703.8U CN202022343703U CN213423658U CN 213423658 U CN213423658 U CN 213423658U CN 202022343703 U CN202022343703 U CN 202022343703U CN 213423658 U CN213423658 U CN 213423658U
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Abstract
The utility model relates to a backlight display module with uniform light emission, which comprises a backlight module and a display module; the display module comprises a mounting frame, a light guide plate and a reflector, and the backlight source module comprises a trapezoidal groove body and a lamp panel; the inclined wave-shaped reflecting plate is arranged in the trapezoid-shaped groove body, so that light emitted by the lamp beads of the lamp panel is reflected to the light guide plate, meanwhile, because the reflecting surface of the wave-shaped reflecting plate is wave-shaped, the light emitted by the lamp beads of the lamp panel can be transversely reflected along the wave-shaped reflecting plate, the brightness of the light reflected to the light guide plate is uniform, and the display of the display module is not influenced by the bad light emission of a single lamp bead on the lamp panel; the reflector below the light guide plate reflects the light emitted to the light guide plate through the rectangular light holes to the liquid crystal module above the reflector so as to be matched with the liquid crystal module to display images; the backlight source module is arranged on the side edge of the display module, so that the volume can be reduced, and the production cost can be reduced; the realization structure is simple, the cost is low, and the volume is small.
Description
Technical Field
The utility model relates to a display module assembly technical field, more specifically say, relate to a luminous uniform backlight display module assembly.
Background
In large-scale outdoor display screen, use straight following formula backlight module to improve luminance often, but because the display screen volume ratio is bigger to it is far away from the human body, very easily by naked eye discernment when luminous asymmetry appears, thereby seriously influence viewer's experience.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a simple structure, the luminous display module assembly in a poor light that is all called of with low costs.
The utility model provides a technical scheme that its technical problem adopted is:
constructing a backlight display module with uniform light emission, which comprises a backlight source module and a display module; the backlight source module comprises a trapezoidal groove body and a lamp panel;
the trapezoidal groove body comprises a bottom plate, a left inclined side plate and a right inclined side plate, the left inclined side plate and the right inclined side plate are respectively positioned at the edges of the left side and the right side of the bottom plate and are fixedly connected with the bottom plate, the left inclined side plate, the bottom plate and the right inclined side plate are enclosed to form a trapezoidal groove, and the lower bottom of the trapezoidal groove is wider than the upper bottom close to the bottom plate; the lamp panel is arranged in the trapezoidal groove and fixedly connected with the bottom plate, and the lamp beads of the lamp panel deviate from the bottom plate;
a wave-shaped reflecting plate is fixedly connected to one side face of the left inclined side plate opposite to the right inclined side plate, and the reflecting surface of the wave-shaped reflecting plate faces the trapezoidal groove; a rectangular light hole matched with the lower bottom of the trapezoidal groove is formed in any side wall of the mounting frame, and light rays emitted by lamp beads of the lamp panel penetrate through the rectangular light hole and are emitted into the mounting frame;
the reflecting mirror is arranged in the mounting frame, the side wall of the reflecting mirror is attached to the inner side wall of the mounting frame, the light guide plate is overlapped on the reflecting mirror, and the side wall of the light guide plate is opposite to the rectangular light transmission hole; the trapezoidal groove body is fixedly connected with the mounting frame.
The backlight display module with uniform light emission of the utility model, wherein, the trapezoidal cell body further comprises a front oblique side plate and a rear oblique side plate, the front oblique side plate and the rear oblique side plate are respectively positioned at the edges of the front side and the rear side of the bottom plate and are fixedly connected with the bottom plate, the front oblique side plate and the rear oblique side plate are also fixedly connected with the left oblique side plate and the right oblique side plate, and an included angle between the front oblique side plate and the rear oblique side plate is an obtuse angle;
one side surfaces, far away from the bottom plate, of the front inclined side plate and the rear inclined side plate are flush with one side surfaces, far away from the bottom plate, of the left inclined side plate and the right inclined side plate; and one opposite side surface of the front inclined side plate and one opposite side surface of the rear inclined side plate are respectively provided with a light-reflecting coating.
The utility model discloses a backlight display module assembly that is luminous equally well, wherein, all fixedly connected with L shape strake on left oblique curb plate and the right oblique curb plate, L shape strake includes riser and diaphragm, the bottom surface fixed connection of riser is in the top surface of diaphragm;
the left inclined side plate and the right inclined side plate are far away from an equal fixedly connected with side face of the bottom plate, the transverse plate, the left inclined side plate and the right inclined side plate are fixedly connected, the transverse plate is located on the same plane, and the vertical plate is far away from the trapezoidal groove.
The backlight display module with uniform light emission of the utility model is characterized in that the mounting frame is fixedly connected with a first plane frame, and the first plane frame is sleeved outside the mounting frame and is fixedly connected with the mounting frame;
the first plane frame is tightly attached to one side surface, away from the trapezoidal groove, of the vertical plate, the first plane frame and the vertical plate are provided with first screw holes, the first screw holes in the first plane frame are right opposite to the first screw holes in the vertical plate, and first screw holes are in internal thread connection with first screws.
The backlight display module with uniform light emission of the utility model is characterized in that a backing plate is arranged in the mounting frame and is overlapped below the reflector; diffusion piece, prism membrane, protection film, liquid crystal module and electric capacity touch module and toughened glass board are folded in proper order to the top of light guide plate.
The backlight display module with uniform light emission of the utility model is characterized in that one side of the backing plate close to the reflector is a first inclined plane, and the first inclined plane is inclined to the rectangular light-transmitting hole; one side surface of the light guide plate, which is close to the reflector, is a second inclined surface, and the second inclined surface is inclined to the first inclined surface.
The backlight display module with uniform light emission of the utility model is characterized in that a second plane frame and a third plane frame are fixedly connected on the mounting frame, the second plane frame is sleeved in the mounting frame and is fixedly connected with the mounting frame, the third plane frame is sleeved outside the mounting frame and is fixedly connected with the mounting frame, and the second plane frame is positioned above the third plane frame; the bottom surface of the second mounting frame is tightly attached to the edge of the top surface of the toughened glass plate.
Luminous uniform backlight display module, wherein, the below of installing frame still is equipped with mounting plate, mounting plate's top surface hug closely in the bottom surface of installing frame, the bottom surface of third plane frame hug closely in mounting plate's top surface just the third plane frame with all be equipped with the second screw on the mounting plate, on the third plane frame the second screw is just right on the mounting plate the second screw, second screw female connection has the second screw.
Luminous equal-scale backlight display module assembly, wherein, the lateral wall of light guide plate hug closely in the inside wall of installing frame.
Luminous uniform backlight display module assembly, wherein, on the oblique curb plate in a left side the crest of wave reflecting plate is just right on the oblique curb plate in the right side the trough of wave reflecting plate.
The beneficial effects of the utility model reside in that: the inclined wave-shaped reflecting plate is arranged in the trapezoid-shaped groove body, so that light emitted by the lamp beads of the lamp panel is reflected to the light guide plate, meanwhile, because the reflecting surface of the wave-shaped reflecting plate is wave-shaped, the light emitted by the lamp beads of the lamp panel can be transversely reflected along the wave-shaped reflecting plate, the brightness of the light reflected to the light guide plate is uniform, and the display of the display module is not influenced by the bad light emission of a single lamp bead on the lamp panel; the reflector below the light guide plate reflects the light emitted to the light guide plate through the rectangular light holes to the liquid crystal module above the reflector so as to be matched with the liquid crystal module to display images; the backlight source module is arranged on the side edge of the display module, so that the volume can be reduced, and the production cost can be reduced; the realization structure is simple, the cost is low, and the volume is small.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein 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 without inventive work according to the drawings:
fig. 1 is a cross-sectional view of a backlight display module with uniform illumination according to a preferred embodiment of the present invention;
FIG. 2 is a cross-sectional view of a trapezoidal groove of a backlight display module with uniform illumination according to a preferred embodiment of the present invention;
fig. 3 is a right side view of the trapezoidal groove of the backlight display module according to the preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The backlight display module with uniform illumination according to the preferred embodiment of the present invention is shown in fig. 1, and also refer to fig. 2 to 3; comprises a backlight module 100 and a display module 200; the display module 200 comprises an installation frame 201, a light guide plate 202 and a reflector 203, and the backlight module 100 comprises a trapezoidal groove body 101 and a lamp panel 102; wherein, the lamp panel 102 is provided with a plurality of lamp beads;
the trapezoidal trough body 101 comprises a bottom plate 1011, a left inclined side plate 1012 and a right inclined side plate 1013, wherein the left inclined side plate 1012 and the right inclined side plate 1013 are respectively positioned at the left side edge and the right side edge of the bottom plate 1011 and are fixedly connected with the bottom plate 1011, the left inclined side plate 1012, the bottom plate 1011 and the right inclined side plate 1013 are enclosed to form a trapezoidal groove 103, and the lower bottom of the trapezoidal groove 103 is wider than the upper bottom close to the bottom plate 1011; the lamp panel 102 is arranged in the trapezoidal groove 103 and is fixedly connected with the bottom plate 1011, and the lamp beads of the lamp panel 102 deviate from the bottom plate 1011;
a wavy reflection plate 1014 is fixedly connected to one opposite side surface of the left inclined side plate 1012 and the right inclined side plate 1013, and the reflection surface of the wavy reflection plate 1014 faces the trapezoidal groove 103; a rectangular light hole 204 matched with the bottom of the trapezoidal groove 103 is formed in any side wall of the mounting frame 201, and light rays emitted by lamp beads of the lamp panel 102 penetrate through the rectangular light hole 204 and are emitted into the mounting frame 201;
a reflector 203 is arranged in the mounting frame 201, the side wall of the reflector 203 is attached to the inner side wall of the mounting frame 201, a light guide plate 202 is superposed on the reflector 203, and the side wall of the light guide plate 202 is opposite to the rectangular light hole 204; the trapezoidal groove body 101 is fixedly connected with the mounting frame 201;
an oblique wave-shaped reflecting plate 1014 is arranged in the trapezoidal groove body 101, so that light emitted by lamp beads of the lamp panel 102 is reflected to the light guide plate 202, meanwhile, because the reflecting surface of the wave-shaped reflecting plate 1014 is wave-shaped, the light emitted by the lamp beads of the lamp panel 102 can be transversely reflected along the direction of the wave-shaped reflecting plate 1014, the brightness of the light guided to the light guide plate 202 is uniform, and the display of the display module 200 is not influenced by the poor light emission of a single lamp bead on the lamp panel 102; the reflector 203 below the light guide plate 202 reflects the light emitted to the light guide plate 202 through the rectangular light hole 204 to the upper side of the reflector 203 to cooperate with the liquid crystal module 209 for image display; the backlight module 100 is arranged on the side of the display module 200, so that the volume can be reduced, and the production cost can be reduced; the realization structure is simple, the cost is low, and the volume is small.
As shown in fig. 1, the ladder-shaped trough body 101 further includes a front oblique side plate (not shown) and a rear oblique side plate (not shown), the front oblique side plate and the rear oblique side plate are respectively located at the front and rear edges of the bottom plate 1011 and are fixedly connected with the bottom plate 1011, the front oblique side plate and the rear oblique side plate are also fixedly connected with the left oblique side plate 1012 and the right oblique side plate 1013, and an included angle between the front oblique side plate and the rear oblique side plate is an obtuse angle;
one side of each of the front inclined side plate and the rear inclined side plate, which is far away from the bottom plate 1011, is flush with one side of each of the left inclined side plate 1012 and the right inclined side plate 1013, which is far away from the bottom plate 1011; a light reflecting coating (not shown) is formed on each of opposite sides of the front inclined side plate and the rear inclined side plate to reflect light, which is laterally reflected by the wavy reflection plate 1014, toward the light guide plate 202, thereby improving brightness.
As shown in fig. 1, the L-shaped edge strips 104 are fixedly connected to the left inclined side plate 1012 and the right inclined side plate 1013, each L-shaped edge strip 104 includes a vertical plate 1041 and a horizontal plate 1042, and the bottom surfaces of the vertical plates 1041 are fixedly connected to the top surfaces of the horizontal plates 1042;
a transverse plate 1042 is fixedly connected to one side of each of the left inclined side plate 1012 and the right inclined side plate 1013 away from the bottom plate 1011, the transverse plates 1042 fixedly connected to the left inclined side plate 1012 and the right inclined side plate 1013 are located on the same plane, and the vertical plate 1041 is away from the trapezoidal groove 103; simple structure, low cost and small volume.
As shown in fig. 1, the mounting frame 201 is further fixedly connected with a first planar frame 204, and the first planar frame 204 is sleeved outside the mounting frame 201 and is fixedly connected with the mounting frame 201;
the first plane frame 204 is tightly attached to one side surface of the vertical plate 1041 far away from the trapezoidal groove 103, first screw holes (not shown in the figure) are respectively formed in the first plane frame 204 and the vertical plate 1041, the first screw holes in the first plane frame 204 are opposite to the first screw holes in the vertical plate 1041, and first screws (not shown in the figure) are connected with the first screw holes in an internal thread mode; the use of a threaded fastening connection facilitates assembly and maintenance of the backlight module 100.
As shown in fig. 1, a backing plate 205 is further disposed in the mounting frame 201, and the backing plate 205 is stacked below the reflector 203; a diffusion sheet 206, a prism film 207, a protective film 208, a liquid crystal module 209, a capacitance touch module 210 and a tempered glass plate 211 are sequentially stacked above the light guide plate 202; the structure is simple.
As shown in fig. 1, a side surface of the pad 205 close to the reflector 203 is a first inclined surface 2031, and the first inclined surface 2031 is inclined to the rectangular light hole 204; a side surface of the light guide plate 202 close to the reflector 203 is a second inclined surface 2021, and the second inclined surface 2021 is inclined to the first inclined surface 2031; so as to reflect the light emitted through the rectangular light-transmitting hole 204 toward the liquid crystal module 209.
As shown in fig. 1, a second planar frame 2012 and a third planar frame 2013 are further fixedly connected to the mounting frame 201, the second planar frame 2012 is sleeved in the mounting frame 201 and is fixedly connected to the mounting frame 201, the third planar frame 2013 is sleeved outside the mounting frame 201 and is fixedly connected to the mounting frame 201, and the second planar frame 2012 is located above the third planar frame 2013; the bottom surface of the second mounting frame 201 is tightly attached to the edge of the top surface of the toughened glass plate 211; it is convenient to fix the components provided in the mounting frame 201.
As shown in fig. 1, a mounting base plate 2014 is further disposed below the mounting frame 201, a top surface of the mounting base plate 2014 is closely attached to a bottom surface of the mounting frame 201, a bottom surface of the third planar frame 2013 is closely attached to a top surface of the mounting base plate 2014, and the third planar frame 2013 and the mounting base plate 2014 are both provided with second screw holes (not shown in the figure), the second screw hole of the third planar frame 2013 is directly opposite to the second screw hole of the mounting base plate 2014, and a second screw (not shown in the figure) is connected to the second screw hole through an internal thread; the use of a threaded fixed connection facilitates the fixing of the components disposed within the mounting frame 201, while also facilitating installation and maintenance.
As shown in fig. 1, the side wall of the light guide plate 202 is tightly attached to the inner side wall of the mounting frame 201; light can be guided more sufficiently.
As shown in FIG. 1, the wave crests of the wavy reflector plate 1014 on the left diagonal side plate 1012 directly oppose the wave troughs of the wavy reflector plate 1014 on the right diagonal side plate 1013; so that the light emitted by each bead on the lamp panel 102 can be reflected to the reflective coatings on the front and rear oblique side plates and finally reflected to the light guide plate 202 by the reflective coatings.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (10)
1. A backlight display module with uniform light emission comprises a backlight module and a display module; the backlight module is characterized by comprising a mounting frame, a light guide plate and a reflector, wherein the backlight module comprises a trapezoidal groove body and a lamp panel;
the trapezoidal groove body comprises a bottom plate, a left inclined side plate and a right inclined side plate, the left inclined side plate and the right inclined side plate are respectively positioned at the edges of the left side and the right side of the bottom plate and are fixedly connected with the bottom plate, the left inclined side plate, the bottom plate and the right inclined side plate are enclosed to form a trapezoidal groove, and the lower bottom of the trapezoidal groove is wider than the upper bottom close to the bottom plate; the lamp panel is arranged in the trapezoidal groove and fixedly connected with the bottom plate, and the lamp beads of the lamp panel deviate from the bottom plate;
a wave-shaped reflecting plate is fixedly connected to one side face of the left inclined side plate opposite to the right inclined side plate, and the reflecting surface of the wave-shaped reflecting plate faces the trapezoidal groove; a rectangular light hole matched with the lower bottom of the trapezoidal groove is formed in any side wall of the mounting frame, and light rays emitted by lamp beads of the lamp panel penetrate through the rectangular light hole and are emitted into the mounting frame;
the reflecting mirror is arranged in the mounting frame, the side wall of the reflecting mirror is attached to the inner side wall of the mounting frame, the light guide plate is overlapped on the reflecting mirror, and the side wall of the light guide plate is opposite to the rectangular light transmission hole; the trapezoidal groove body is fixedly connected with the mounting frame.
2. The backlight display module with uniform light emission according to claim 1, wherein the trapezoidal groove further comprises a front oblique side plate and a rear oblique side plate, the front oblique side plate and the rear oblique side plate are respectively located at the edges of the front side and the rear side of the bottom plate and are fixedly connected with the bottom plate, the front oblique side plate and the rear oblique side plate are also fixedly connected with the left oblique side plate and the right oblique side plate, and an included angle between the front oblique side plate and the rear oblique side plate is an obtuse angle;
one side surfaces, far away from the bottom plate, of the front inclined side plate and the rear inclined side plate are flush with one side surfaces, far away from the bottom plate, of the left inclined side plate and the right inclined side plate; and one opposite side surface of the front inclined side plate and one opposite side surface of the rear inclined side plate are respectively provided with a light-reflecting coating.
3. The backlight display module with uniform light emission according to claim 1, wherein the left inclined side plate and the right inclined side plate are both fixedly connected with L-shaped edge strips, each L-shaped edge strip comprises a vertical plate and a transverse plate, and the bottom surfaces of the vertical plates are fixedly connected with the top surfaces of the transverse plates;
the left inclined side plate and the right inclined side plate are far away from an equal fixedly connected with side face of the bottom plate, the transverse plate, the left inclined side plate and the right inclined side plate are fixedly connected, the transverse plate is located on the same plane, and the vertical plate is far away from the trapezoidal groove.
4. The backlight display module with uniform light emission according to claim 3, wherein the mounting frame is further fixedly connected with a first plane frame, and the first plane frame is sleeved outside the mounting frame and is fixedly connected with the mounting frame;
the first plane frame is tightly attached to one side surface, away from the trapezoidal groove, of the vertical plate, the first plane frame and the vertical plate are provided with first screw holes, the first screw holes in the first plane frame are right opposite to the first screw holes in the vertical plate, and first screw holes are in internal thread connection with first screws.
5. The backlight display module with uniform light emission according to claim 1, wherein a backing plate is further disposed in the mounting frame, and the backing plate is stacked below the reflector; diffusion piece, prism membrane, protection film, liquid crystal module and electric capacity touch module and toughened glass board are folded in proper order to the top of light guide plate.
6. The backlight display module according to claim 5, wherein a side of the pad plate close to the reflector is a first inclined surface, and the first inclined surface is inclined to the rectangular light hole; one side surface of the light guide plate, which is close to the reflector, is a second inclined surface, and the second inclined surface is inclined to the first inclined surface.
7. The backlight display module with uniform light emission according to claim 5, wherein a second planar frame and a third planar frame are further fixedly connected to the mounting frame, the second planar frame is sleeved inside the mounting frame and fixedly connected to the mounting frame, the third planar frame is sleeved outside the mounting frame and fixedly connected to the mounting frame, and the second planar frame is located above the third planar frame; the bottom surface of the second plane frame is tightly attached to the edge of the top surface of the toughened glass plate.
8. The backlight display module with uniform light emission according to claim 7, wherein a mounting bottom plate is further disposed below the mounting frame, a top surface of the mounting bottom plate is tightly attached to a bottom surface of the mounting frame, a bottom surface of the third planar frame is tightly attached to the top surface of the mounting bottom plate, second screw holes are disposed in the third planar frame and the mounting bottom plate, the second screw holes in the third planar frame are opposite to the second screw holes in the mounting bottom plate, and second screws are connected to the second screw holes in an internal thread manner.
9. The backlight display module according to claim 1, wherein the sidewall of the light guide plate is closely attached to the inner sidewall of the mounting frame.
10. The backlight display module according to claim 1, wherein the wave-shaped reflective plate on the left inclined side plate has a wave crest directly opposite to the wave trough of the wave-shaped reflective plate on the right inclined side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022343703.8U CN213423658U (en) | 2020-10-20 | 2020-10-20 | Backlight display module with uniform light emission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022343703.8U CN213423658U (en) | 2020-10-20 | 2020-10-20 | Backlight display module with uniform light emission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213423658U true CN213423658U (en) | 2021-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022343703.8U Active CN213423658U (en) | 2020-10-20 | 2020-10-20 | Backlight display module with uniform light emission |
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| Country | Link |
|---|---|
| CN (1) | CN213423658U (en) |
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2020
- 2020-10-20 CN CN202022343703.8U patent/CN213423658U/en active Active
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