CN217718386U - Backlight module device with high color gamut - Google Patents
Backlight module device with high color gamut Download PDFInfo
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- CN217718386U CN217718386U CN202222012324.XU CN202222012324U CN217718386U CN 217718386 U CN217718386 U CN 217718386U CN 202222012324 U CN202222012324 U CN 202222012324U CN 217718386 U CN217718386 U CN 217718386U
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Abstract
The utility model belongs to the technical field of LCD, especially, relate to a backlight unit device of high colour gamut, include: the supporting component comprises a rubber frame and a rear frame connected to the rubber frame; the light guide assembly comprises a light guide plate and a color LED which are accommodated in the rear frame, the end face of the light guide plate, facing the rubber frame, is connected with a color quantum dot film, the color LED is positioned at the bottom of the rear frame, and the light emitting end of the color LED is attached to the bottom side edge of the light guide plate; the light intensifying component is positioned between the rubber frame and the color quantum dot film; and the display component is contained in one end of the rubber frame, which is back to the rear frame. The backlight module device of this application is through the cooperation of various light LED and colored quantum dot membrane, and collocation intensifying subassembly and display module again, and then promote the color reduction degree.
Description
Technical Field
The present disclosure relates to liquid crystal displays, and more particularly to a backlight module with high color gamut.
Background
Compared with a transistor display, the liquid crystal display has the advantages of low working voltage, low energy consumption, light weight, thinness and the like, so that the liquid crystal display is widely applied to different fields. The liquid crystal display mainly provides a light source through a backlight module device.
The color rendition (NTSC) of the existing backlight module is generally between 45% and 72%, and the color rendition is difficult to reach more than 80%.
Therefore, it is highly desirable to invent a backlight module device with high reduction degree.
It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure, and thus may include information that does not constitute prior art known to those of ordinary skill in the art.
SUMMERY OF THE UTILITY MODEL
In view of at least one of the above technical problems, the present application provides a backlight module device with high color gamut, which solves the problem that the color rendition (NTSC) of the conventional backlight module is generally between 45% and 72% and is difficult to reach more than 80%.
An embodiment of a first aspect of the present application provides a backlight module device with high color gamut, comprising:
the supporting component comprises a rubber frame and a rear frame connected to the rubber frame;
the light guide assembly comprises a light guide plate and a color LED which are accommodated in the rear frame, the end face of the light guide plate, facing the rubber frame, is connected with a color quantum dot film, the color LED is positioned at the bottom of the rear frame, and the light emitting end of the color LED is attached to the bottom side edge of the light guide plate;
the light intensifying component is positioned between the rubber frame and the color quantum dot film;
the display component is accommodated in one end of the rubber frame, which is back to the rear frame.
The embodiment of the application has the following technical effects: the backlight module device of this application is through the cooperation of various light LED and colored quantum dot membrane, and collocation intensifying subassembly and display module again, and then promote the color reduction degree.
In one implementation, a reflective sheet is disposed between the light guide plate and the rear frame.
In one implementation mode, the rubber frame comprises a frame body and an outer frame extension block, wherein the outer edge of the frame body, which is back to the rear frame, is connected with the outer frame extension block, and a plurality of first clamping blocks are formed on the outer edge of the frame body, which is towards one end of the rear frame;
a clamping groove matched with the first clamping block to form clamping connection is arranged on the outer side edge of the rear frame in a penetrating mode;
when the rubber frame is clamped with the rear frame, the outer edge of the frame body is attached to the inner edge of the rear frame.
In an implementation mode, a plurality of positioning grooves are formed in the outer frame extension block, and positioning portions matched with the positioning grooves are arranged on the side edges of the rear frame and close to the clamping grooves.
In one implementation mode, an inner bearing part is formed on the inner side edge of the frame body in a protruding mode towards the center of the frame body, the inner bearing part and the outer frame extension block jointly form a first accommodating groove, and the inner bearing part and the frame body jointly form a second accommodating groove;
the display assembly is arranged in the first accommodating groove and abutted to the inner bearing part, the light intensifying assembly and the light guide assembly are arranged in the second accommodating groove, and the light intensifying assembly is abutted to the inner bearing part.
In one implementation mode, the inner bearing part comprises an inner abutting plate positioned at the bottom of the frame body, a first avoidance groove is formed in the inner abutting plate, and a second clamping block is arranged on the groove wall of the first avoidance groove;
an outer cover plate accommodated in the first avoidance groove is formed on the side edge of the bottom of the rear frame, the end portion of the outer cover plate is abutted to the second clamping block, and the color light LED is located on one side of the outer cover plate.
In an implementation mode, the inner butt joint plate is flush with the end face of the display assembly from the outer cover plate to the end face of the display assembly, and double-faced adhesive tape is bonded on the end face of the inner butt joint plate from the end face of the display assembly to the end face of the outer cover plate to the display assembly.
In one implementation mode, the light intensifying assembly comprises a lower diffusion sheet, a lower light intensifying sheet, an upper light intensifying sheet and an upper diffusion sheet which are sequentially connected, the lower diffusion sheet is connected with the color quantum dot film, and the upper diffusion sheet is connected with the rubber frame.
In one implementation, the light source emitted by the color light LED is a blue light source, and the color quantum dot film is a yellow quantum dot film.
In one implementation, the light source emitted by the color light LED is a blue-violet light source, and the color quantum dot film is a green quantum dot film.
The present application is further described below with reference to the accompanying drawings and examples.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic view of a backlight module device;
FIG. 2 is an exploded view of the backlight module device;
FIG. 3 is a schematic structural view of the support assembly;
FIG. 4 is a schematic view of a first exploded configuration of the support assembly;
FIG. 5 is a schematic view of a second exploded configuration of the support assembly;
FIG. 6 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;
FIG. 7 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 8 is an enlarged schematic view of the structure at B in FIG. 2;
FIG. 9 is an enlarged schematic view of the structure at C in FIG. 4;
FIG. 10 is an enlarged schematic view of the structure at D in FIG. 4;
FIG. 11 is an enlarged schematic view of the structure at E in FIG. 5;
FIG. 12 is an enlarged schematic view of the structure of FIG. 6 at F;
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the embodiments of the present application, unless otherwise specifically stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. Specific meanings of the above terms in the embodiments of the present invention may be understood by those of ordinary skill in the art according to specific situations.
As shown in fig. 1 to 12, an embodiment of a first aspect of the present application provides a high-gamut backlight module device, including:
the supporting assembly 100 comprises a rubber frame 110 and a rear frame 120 connected to the rubber frame 110;
a light guide assembly 200, including a light guide plate 210 and a color LED220 accommodated in the rear frame 120, wherein the end surface of the light guide plate 210 facing the rubber frame 110 is connected with a color quantum dot film (not shown), the color LED220 is located at the bottom of the rear frame 120, and the light emitting end of the color LED220 is attached to the bottom edge of the light guide plate 210;
the light intensifying assembly 300 is positioned between the rubber frame 110 and the color quantum dot film;
the display module 400 is accommodated in an end of the rubber frame 110 opposite to the rear frame 120.
Illustratively, the colored quantum dot film is attached to the light guide plate 210.
When the backlight module device is used, the color light LED220 emits a parallel light spot light source to the light guide plate 210, the light guide plate 210 converts the parallel light spot light source into a vertical light area light source, the vertical light area light source excites quantum dots in a color quantum dot film, and the quantum dots are subjected to gain processing through the light intensifying assembly 300 so as to be converted into a light source with a high color gamut, and the light source is matched with the display assembly 400 so as to realize the high color gamut of the backlight module device.
The light source emitted by the color light LED220 is a blue light source, and the color quantum dot film is a yellow quantum dot film. Namely, the blue light source is matched with the yellow quantum dot film for use.
The light source emitted by the color light LED220 is a blue-violet light source, and the color quantum dot film is a green quantum dot film. The bluish violet light source is used together with the green quantum dot film.
The backlight module device of the application is matched with the color quantum dot film through the color light LED220, and then is matched with the light intensifying component 300 and the display component 400, so that the color reduction degree is improved.
As shown in fig. 1 to 12, a reflective sheet 500 is disposed between the light guide plate 210 and the rear frame 120.
Illustratively, the reflective sheet 500 is respectively attached to the light guide plate 210 and the rear frame 120, and functions to reflect the vertical light surface light source converted by the light guide plate 210.
As shown in fig. 1 to 12, the rubber frame 110 includes a frame body 111 and an outer frame extension block 112, wherein the outer edge of the frame body 111 and one end of the frame body facing away from the rear frame 120 are connected to the outer frame extension block 112, and a plurality of first locking blocks 1111 are formed on the outer edge of the frame body 111 and one end of the rear frame 120;
a clamping groove 121 matched with the first clamping block 1111 to form clamping connection is formed in the outer edge of the rear frame 120 in a penetrating mode;
when the rubber frame 110 is engaged with the rear frame 120, the outer edge of the frame 111 is attached to the inner edge of the rear frame 120.
Exemplarily, the clamping groove 121 on the rear frame 120 and the first clamping block 1111 on the frame body 111 are matched to form a clamping connection, so that the rear frame 120 is fixedly connected with the rubber frame 110, and the rear frame 120 is detachably connected to the rubber frame 110, thereby facilitating assembly and subsequent disassembly and maintenance.
As shown in fig. 1 to 12, the outer frame extension block 112 is provided with a plurality of positioning slots 1121, and a positioning portion 122 engaged with the positioning slots 1121 is disposed on a side edge of the rear frame 120 and close to the locking slot 121.
For example, when the rear frame 120 is connected to the rubber frame 110, the positioning portion 122 of the rear frame 120 is inserted into the positioning groove 1121 of the outer frame extension block 112 to position the rear frame 120 and the rubber frame 110, so as to improve the connection stability between the rear frame 120 and the rubber frame 110.
As shown in fig. 1 to 12, an inner supporting portion 113 is formed on the inner side of the frame 111 and protrudes toward the center of the frame 111, the inner supporting portion 113 and the outer frame extension block 112 define a first receiving groove 114, and the inner supporting portion 113 and the frame 111 define a second receiving groove 115;
the display module 400 is disposed in the first receiving groove 114 and abuts against the inner supporting portion 113, the light intensifying module 300 and the light guiding module 200 are disposed in the second receiving groove 115, and the light intensifying module 300 abuts against the inner supporting portion 113.
Illustratively, the first receiving groove 114 is used for receiving and fixing the display assembly 400. The second receiving groove 115 is used for receiving and fixing the light intensifying assembly 300 and the light guiding assembly 200.
As shown in fig. 1 to 12, the inner supporting portion 113 includes an inner abutting plate 1131 located at the bottom of the frame 111, the inner abutting plate 1131 is provided with a first avoiding groove 1132, and a groove wall of the first avoiding groove 1132 is provided with a second clamping block 1133;
the outer cover plate 123 accommodated in the first escape groove 1132 is formed on the side edge of the bottom of the rear frame 120, the end of the outer cover plate 123 abuts against the second latch 1133, and the color LED220 is located on the side of the outer cover plate 123.
Illustratively, the second latch 1133 of the inner abutting plate 1131 is engaged with the outer cover plate 123 to form a bottom of the rubber frame 110 fixed to the bottom of the rear frame 120.
The first escape groove 1132 receives the cover plate 123.
As shown in fig. 1 to 12, the end surface of the inner abutting plate 1131 facing the display module 400 is flush with the end surface of the outer cover plate 123 facing the display module 400, and double-faced adhesive tape (not shown) is adhered to the end surface of the inner abutting plate 1131 facing the display module 400 and the end surface of the outer cover plate 123 facing the display module 400.
Illustratively, the double-sided adhesive tape is used to connect the end surface of the inner abutment plate 1131 facing the display module 400 and the end surface of the outer cover plate 123 facing the display module 400, and is used to adhere the display module 400.
As shown in fig. 1 to 12, the light increasing assembly 300 includes a lower diffusion sheet 310, a lower light increasing sheet 320, an upper light increasing sheet 330 and an upper diffusion sheet 340 connected in sequence, the lower diffusion sheet 310 is connected to the color quantum dot film, and the upper diffusion sheet 340 is connected to the frame 110.
For example, the lower diffusion sheet 310 may be used to correct the direction of the light source converted by the light guide plate 210.
The lower light enhancement film 320 and the upper light enhancement film 330 are used for overlapping the scattered light source in a direction perpendicular to the lower light enhancement film 320 and the upper light enhancement film 330 to form light source overlapping gain.
The upper diffusion sheet 340 serves to protect the upper brightness enhancement sheet 330 and to perform directional correction on the light source.
As shown in fig. 1 to 12, the display assembly 400 includes a liquid crystal display glass 410. The liquid crystal display glass 410 is accommodated in the rubber frame 110, and the plurality of edge-covering rubbers 420 are coated on the edge of the liquid crystal display glass 410, the edge of the rubber frame 110 and the edge of the rear frame 120.
The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application in any way. Those skilled in the art can make numerous possible variations and modifications to the disclosed solution, or modify it to equivalent embodiments, using the methods and techniques disclosed above, without departing from the scope of the claimed solution. Therefore, all equivalent changes made according to the shape, structure and principle of the present application without departing from the content of the technical scheme of the present application should be covered in the protection scope of the present application.
Claims (10)
1. A high-gamut backlight module device, comprising:
the supporting component comprises a rubber frame and a rear frame connected to the rubber frame;
the light guide assembly comprises a light guide plate and a color LED which are accommodated in the rear frame, the end face of the light guide plate, facing the rubber frame, is connected with a color quantum dot film, the color LED is positioned at the bottom of the rear frame, and the light emitting end of the color LED is attached to the bottom side edge of the light guide plate;
the light intensifying component is positioned between the rubber frame and the color quantum dot film;
and the display component is contained in one end of the rubber frame, which is back to the rear frame.
2. A high color gamut backlight module device according to claim 1, wherein a reflective sheet is disposed between the light guide plate and the rear frame.
3. The high color gamut backlight module device according to claim 1, wherein the plastic frame comprises a frame body and an outer frame extension block, the outer frame extension block is connected to one end of the outer edge of the frame body, which is opposite to the rear frame, and a plurality of first clamping blocks are formed on the outer edge of the frame body, which is opposite to one end of the rear frame;
a clamping groove matched with the first clamping block to form clamping connection is arranged on the outer side edge of the rear frame in a penetrating mode;
and when the rubber frame is clamped with the rear frame, the outer side edge of the frame body is attached to the inner side edge of the rear frame.
4. The high color gamut backlight module device according to claim 3, wherein the outer frame extension block has a plurality of positioning slots formed thereon, and the side edges of the rear frame and the side edges close to the locking slots have positioning portions engaged with the positioning slots.
5. The high color gamut backlight module device according to claim 3, wherein an inner supporting portion is formed on the inner edge of the frame body protruding toward the center of the frame body, the inner supporting portion and the outer frame extension block together form a first receiving groove, and the inner supporting portion and the frame body together form a second receiving groove;
the display assembly is arranged in the first accommodating groove and abutted to the inner bearing part, the light intensifying assembly and the light guide assembly are arranged in the second accommodating groove, and the light intensifying assembly is abutted to the inner bearing part.
6. The high color gamut backlight module device according to claim 5, wherein the inner supporting portion comprises an inner abutting plate located at the bottom of the frame body, the inner abutting plate is provided with a first avoiding groove, and a second fixture block is disposed on a groove wall of the first avoiding groove;
the side edge of the bottom of the rear frame is provided with an outer cover plate which is contained in the first avoidance groove, the end part of the outer cover plate is abutted to the second clamping block, and the color light LED is positioned on one side of the outer cover plate.
7. The high-gamut backlight module device according to claim 6, wherein the end surface of the inner contact plate facing the display module is flush with the end surface of the outer cover plate facing the display module, and double-sided adhesive paper is adhered to the end surface of the inner contact plate facing the display module and the end surface of the outer cover plate facing the display module.
8. The high color gamut backlight module device according to claim 1, wherein the light intensifying assembly comprises a lower diffusion sheet, a lower light intensifying sheet, an upper light intensifying sheet and an upper diffusion sheet connected in sequence, the lower diffusion sheet is connected with the color quantum dot film, and the upper diffusion sheet is connected with the rubber frame.
9. The high gamut backlight module device according to any one of claims 1 to 8, wherein the light source emitted by the color LEDs is a blue light source, and the color quantum dot film is a yellow quantum dot film.
10. The high color gamut backlight module device according to any one of claims 1 to 8, wherein the light source emitted by the color LED is a blue-violet light source, and the color quantum dot film is a green quantum dot film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222012324.XU CN217718386U (en) | 2022-08-01 | 2022-08-01 | Backlight module device with high color gamut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222012324.XU CN217718386U (en) | 2022-08-01 | 2022-08-01 | Backlight module device with high color gamut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217718386U true CN217718386U (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222012324.XU Active CN217718386U (en) | 2022-08-01 | 2022-08-01 | Backlight module device with high color gamut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217718386U (en) |
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2022
- 2022-08-01 CN CN202222012324.XU patent/CN217718386U/en active Active
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