CN218099876U - Light source structure of polygonal backlight module and backlight module with same - Google Patents
Light source structure of polygonal backlight module and backlight module with same Download PDFInfo
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- CN218099876U CN218099876U CN202222469137.4U CN202222469137U CN218099876U CN 218099876 U CN218099876 U CN 218099876U CN 202222469137 U CN202222469137 U CN 202222469137U CN 218099876 U CN218099876 U CN 218099876U
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Abstract
The application relates to the technical field of liquid crystal display, and particularly discloses a light source structure of a polygonal backlight module and a backlight module with the same, wherein the light source structure of the polygonal backlight module comprises a lampshade and a lamp panel, the lampshade and the lamp panel are both set to be irregular polygonal shapes, the lamp panel is connected with the lampshade, a plurality of LED lamp beads are arranged on the lamp panel, the lamp panel comprises a regular part and an irregular part, the LED lamp beads on the regular part are arranged at equal intervals, the LED lamp beads on the irregular part are arranged at unequal intervals, the light distribution rule can improve the optical effect of the irregular edge, and meanwhile, the phenomenon that shadows appear on the irregular edge is improved; a backlight module with the light source structure comprises a lower iron frame, the light source structure, a backlight material and a middle iron frame, the uniformity of the picture brightness of a display device provided with the backlight module is good, and regional light control can be realized through a light source component. The method has the effect of improving the phenomenon that the shadow easily appears on the irregular edge.
Description
Technical Field
The application relates to the technical field of liquid crystal display, in particular to a light source structure of a polygonal backlight module and a backlight module with the light source structure.
Background
With the development of science and technology, the lcd becomes one of the most commonly used displays, but the lcd does not emit light, and the backlight module is required to provide a light source for the lcd, so that a direct-type backlight module is provided to provide a light source for the lcd, but the direct-type backlight module has poor uniformity of light emission and cannot realize area light control, and thus the lcd with the direct-type backlight module has poor uniformity of picture brightness and cannot realize area light control.
The direct type backlight module in the correlation technique comprises a lamp plate, a perforated diaphragm and a light transmission unit arranged on the perforated diaphragm, wherein a through hole of the light transmission unit plays a light transmission role, a diaphragm structure around a hole plays a shading role, the size and the density of the hole are adjusted to achieve high uniformity of the backlight module, an LED is arranged on the lamp plate, and the lamp plate is arranged in an irregular shape, so that shadows appear at the edge positions of the backlight module.
Therefore, the direct type backlight module in the technology has the defects of poor optical effect and easy occurrence of shadows at irregular edges.
SUMMERY OF THE UTILITY MODEL
In order to improve the phenomenon that the shadow easily appears in irregular limit, this application provides a light source structure of polygon backlight unit and has this light source structure's backlight unit.
In a first aspect, the present application provides a light source structure of a polygonal backlight module, which adopts the following technical scheme:
a light source structure of polygonal backlight module comprises:
the lampshade is arranged in an irregular polygonal shape;
the lamp plate sets up on the lamp shade, the lamp plate with the shape of lamp shade is identical, be provided with a plurality of LED lamp pearls on the lamp plate, the lamp plate includes regular part and irregular part, LED lamp pearl on the regular part is equidistant to be set up, LED lamp pearl on the irregular part is the interval setting that varies, so that the light of LED lamp pearl evenly distributes.
Based on above-mentioned technical scheme, through equidistant LED lamp pearl that sets up in the regular portion of lamp plate, be provided with the LED lamp pearl of unequal interval in the irregular portion of lamp plate, suitably reduce the interval of the LED lamp pearl on irregular limit, the optical effect on irregular limit can be improved to this kind of cloth lamp law, improves the phenomenon that the shadow appears on irregular limit simultaneously.
Preferably, the equal intervals of the LED lamp beads on the regular part are set to be 9.15mm.
Based on above-mentioned technical scheme, LED lamp pearl on the rule portion is equidistant to be set up to 9.15mm, weakens the influence between the LED lamp pearl between adjacent for the optical effect of the lamp plate on irregular limit is better.
Preferably, the lamp cover is provided with a lamp cup, and the lamp cup is matched with the LED lamp bead.
Based on above-mentioned technical scheme, the luminous independence of LED lamp pearl is realized to the LED lamp pearl looks adaptation on the lamp cup on the lamp shade and the lamp plate to improve scurrying the light phenomenon between the LED lamp pearl, make backlight unit's light effect more even.
Preferably, the lamp cup comprises a square lamp cup and a special-shaped lamp cup, the square lamp cup is arranged corresponding to the LED lamp beads of the regular part, and the special-shaped lamp cup is arranged corresponding to the LED lamp beads of the irregular part.
Based on above-mentioned technical scheme, the LED lamp pearl of square lamp cup and regular part is corresponding to be set up, and the special-shaped lamp cup of special-shaped lamp cup and irregular part is corresponding to be set up to improve scurrying the phenomenon of light between each LED lamp pearl.
Preferably, the special-shaped lamp cups are arranged in a plurality of shapes, and the special-shaped lamp cups are arranged in different shapes.
Based on above-mentioned technical scheme, LED lamp pearl on the irregular part on the lamp plate is the interval setting that varies, and the shape that corresponds the special-shaped lamp cup that different spaced LED lamp pearl set up is different to scurry the phenomenon of light between the LED lamp pearl between the improvement subregion.
Preferably, still be provided with components and parts on the lamp plate, components and parts set up one side that LED lamp pearl is relative.
Based on above-mentioned technical scheme, components and parts can adjust output signal according to input signal to adjust LED lamp pearl.
Preferably, the components are provided with a plurality of components, and the components are matched to realize partition regulation.
Based on above-mentioned technical scheme, the subregion regulation and control of LED lamp pearl can be realized in the cooperation of a plurality of components and parts to adjust the light and shade degree of LED lamp pearl.
In a second aspect, the present application provides a backlight module with the light source structure, which adopts the following technical scheme:
a backlight module with the light source structure comprises:
a lower iron frame; a placing cavity is formed;
the light source structure is arranged in the placing cavity and used for providing light rays;
the backlight material is arranged in the placing cavity;
and the middle iron frame is connected with the lower iron frame and is used for fixing the light source structure and the backlight material in the placing cavity.
Based on above-mentioned technical scheme, the chase is connected with the well chase down, is provided with light source structure and material in a poor light in chase and the chase down, and wherein the light source subassembly is used for providing light, and the material in a poor light evenly distributes away after changing the light that the light source subassembly distributes out to make the homogeneity of the display device picture luminance that is equipped with this backlight unit good, and the accessible light source subassembly realizes regional accuse light.
Preferably, the lower iron frame, the light source structure, the backlight material and the middle iron frame are all arranged in an irregular polygonal shape.
Based on the technical scheme, the lower iron frame, the light source assembly, the backlight material and the middle iron frame are all set to be in irregular polygonal shapes, and installation is facilitated.
In summary, the present application includes at least one of the following beneficial technical effects:
1. LED lamp beads are arranged on the regular part of the lamp panel at equal intervals, LED lamp beads are arranged on the irregular part at unequal intervals, and the optical effect of the irregular edge can be improved by the lamp planting and distributing rule, so that the phenomenon of shadows of a light source structure is improved;
2. the lamp cup is arranged on the lamp shade and corresponds to the LED lamp beads, so that independent light emission of the LED lamp beads is realized;
3. the square lamp cup is arranged corresponding to the LED lamp beads of the regular part, and the special-shaped lamp cup is arranged corresponding to the special-shaped lamp cup of the irregular part, so that the phenomenon of light channeling among the LED lamp beads is improved.
Drawings
FIG. 1 is a schematic structural diagram illustrating a light source structure of a polygonal backlight module according to an embodiment of the present application;
FIG. 2 shows an enlarged view of portion A of FIG. 1;
FIG. 3 shows an enlarged view of portion B of FIG. 1;
FIG. 4 is a schematic structural diagram of a lamp panel according to an embodiment of the present application;
fig. 5 is a schematic view illustrating an overall structure of a backlight module with the light source structure according to an embodiment of the disclosure.
Description of reference numerals: 10. a lamp shade; 11. a lamp cup; 111. a square lamp cup; 112. a special-shaped lamp cup; 20. a lamp panel; 21. a rule section; 22. an irregular portion; 23. LED lamp beads; 24. a component; 25. a connector; 30. a lower iron frame; 31. a placement chamber; 40. a light source structure; 50. a backlight material; 51. a diffuser plate; 52. a first light diffusing film; 53. a second light-diffusing film; 54. a brightness enhancement film; 55. a reflective polarizer; 60. a middle iron frame; 70. edge covering glue; 80. heat conducting glue; 90. a rubber shell; 91. and (4) a side film.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
In a first aspect, an embodiment of the present application discloses a light source structure 40 of a polygonal backlight module.
Referring to fig. 1, polygonal backlight unit's light source structure 40 includes lamp plate 20 and lamp shade 10, and lamp plate 20 is connected with lamp shade 10, and lamp plate 20 and lamp shade 10 all set up to anomalous polygon shape, are provided with LED lamp pearl 23 on the lamp plate 20, are provided with lamp cup 11 on the lamp shade 10, and lamp cup 11 sets up with LED lamp pearl 23 is corresponding to realize the luminous independence of LED lamp pearl 23.
Referring to fig. 2, lamp plate 20 includes regular part 21 and irregular part 22, and LED lamp pearl 23 on the regular part 21 is equidistant setting, and LED lamp pearl 23 on the irregular part 22 is unequal interval setting, and the interval of LED lamp pearl 23 on the irregular part 22 can be suitably adjusted according to light to improve the optical effect on irregular limit, reduce the phenomenon that the shadow appears on irregular limit. The distance that LED lamp pearl on the rule portion set up is 9.15mm at the equal interval to make the optical effect of light source structure better.
Referring to fig. 2 and 3, the lamp cup 11 includes a square lamp cup 111 and a special-shaped lamp cup 112, and the position of the square lamp cup 111 corresponds to the LED lamp bead 23 on the rule portion 21, so that the LED lamp bead 23 in the square lamp cup 111 realizes independent light emission; the position of the special-shaped lamp cup 112 corresponds to the arrangement of the LED lamp beads 23 of the irregular part 22, and the interval intervals of the LED lamp beads 23 on the irregular part 22 are unequal, so that the special-shaped lamp cup 112 is arranged into various different shapes, the special-shaped lamp cup is suitable for the LED lamp beads 23 on the irregular side, and the phenomenon of light channeling among the LED lamp beads 23 between subareas is improved.
Referring to fig. 4, lamp plate 20 is provided with a plurality of components 24, and components 24 are IC components, and IC components can be according to the signal output signal of input, and a plurality of IC components mutually support and realize the subregion regulation and control of LED lamp pearl 23 to adjust the light and shade degree of LED lamp pearl 23. Still be provided with connector 25 on lamp plate 20, thereby connector 25 is used for with the continuous power that connects of power and provides the electric quantity.
The implementation principle of the light source structure of the polygonal backlight module in the embodiment of the application is as follows: lamp plate 20 and lamp shade 10 all set up to anomalous polygon shape, lamp plate 20 is connected with lamp shade 10, regular portion 21 on lamp plate 20 is equidistant to be provided with LED lamp pearl 23, LED lamp pearl 23 on the irregular portion 22 is equidistant to be set up, square lamp cup 111 sets up with the LED lamp pearl 23 that equidistant set up correspondingly, special-shaped lamp cup 112 sets up with the LED lamp pearl 23 that unequal interval set up correspondingly, thereby improve and scurry light, the phenomenon of shadow between the LED lamp pearl 23 between the subregion.
In a second aspect, an embodiment of the present application discloses a backlight module with the light source structure.
Referring to fig. 5, the backlight module with the light source structure includes a lower iron frame 30, a middle iron frame 60 and a binding glue 70, wherein the lower iron frame 30 and the middle iron frame 60 are fixed by the binding glue 70, and the binding glue 70 is arranged to enable the connection between the lower iron ore and the middle iron frame 60 to be more stable.
Referring to fig. 5, a placing cavity 31 is formed in the lower iron frame 30, a heat conducting glue 80, a light source structure 40 and a backlight material 50 are sequentially arranged in the placing cavity 31, the light source structure 40 is fixed in the placing cavity 31 by the heat conducting glue 80, so that the light source structure 40 is stably fixed in the placing cavity 31, and meanwhile, when the light source structure 40 works, the heat emitted by the light source structure 40 is transmitted out of the backlight module by the heat conducting glue 80.
Referring to fig. 5, the backlight material 50 includes a diffuser 51, a first light-diffusing film 52, a second light-diffusing film 53, a light-enhancing film 54 and a reflective polarizer 55, the diffuser 51 uniformly disperses the light emitted from the light source structure 40 to form a surface light source, the first light-diffusing film 52 and the second light-diffusing film 53 uniformly disperse the light to the plane of the whole light-diffusing film, the light-enhancing film 54 enhances the light and then transmits the light to the reflective polarizer 55, and the reflective polarizer 55 reuses part of the light at the full viewing angle of the display device equipped with the backlight module.
Referring to fig. 5, a rubber case 90 is tightly adhered to the inner sidewall of the lower iron frame 30, the rubber case 90 can protect the backlight material 50 and the light source structure 40, and prevent the backlight material 50 and the light source structure 40 from being scratched by the lower iron frame 30, a side film 91 is disposed in the rubber case 90, the side film 91 is disposed on the inner sidewall of the rubber case 90, and the height of the side film 91 is the same as that of the light source structure 40, so as to prevent the light source structure 40 from being emitted from the periphery.
Referring to fig. 5, the lower bezel 30, the light source structure 40, the backlight material 50, the middle bezel 60, the glue case 90, the edge-covering glue 70, the heat conductive glue 80, and the side film 91 are all disposed in an irregular polygonal shape to facilitate the installation of the irregular polygonal light source structure 40.
The implementation principle of the backlight module with the light source structure in the embodiment of the application is as follows: the lower iron frame 30 is connected with the middle iron frame 60, the light source structure 40 and the backlight material 50 are arranged in the placing cavity 31 of the lower iron frame 30, light emitted by the light source structure 40 is uniform, and regional light control can be realized, so that the display device provided with the backlight module has uniform picture brightness.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a polygon backlight unit's light source structure which characterized in that includes:
a lamp cover (10) provided in an irregular polygonal shape;
lamp plate (20), set up on lamp shade (10), lamp plate (20) with the shape of lamp shade (10) is the same completely, be provided with a plurality of LED lamp pearls (23) on lamp plate (20), lamp plate (20) are including regular portion (21) and irregular portion (22), LED lamp pearl (23) equidistant setting on regular portion (21), LED lamp pearl (23) unequal interval setting on irregular portion (22), so that the light of LED lamp pearl (23) evenly distributes.
2. The light source structure of polygonal backlight module according to claim 1, wherein the equal spacing of the LED lamp beads (23) on the regular portion (21) is set to 9.15mm.
3. The light source structure of polygonal backlight module of claim 1, wherein said lamp shade (10) is provided with a lamp cup (11), and said lamp cup (11) is adapted to said LED lamp bead (23).
4. The light source structure of the polygonal backlight module according to claim 3, wherein the lamp cup (11) comprises a square lamp cup (111) and a shaped lamp cup (112), the square lamp cup (111) is disposed corresponding to the LED lamp beads (23) of the regular portion (21), and the shaped lamp cup (112) is disposed corresponding to the LED lamp beads (23) of the irregular portion (22).
5. The light source structure of polygonal backlight module according to claim 4, wherein said shaped lamp cups (112) are provided in plurality, and a plurality of said shaped lamp cups (112) are provided in different shapes.
6. The light source structure of the polygonal backlight module according to claim 1, wherein a component (24) is further disposed on the lamp panel (20), and the component (24) is disposed on a side opposite to the LED lamp beads (23).
7. The light source structure of the polygonal backlight module according to claim 6, wherein a plurality of the components (24) are provided, and the plurality of the components (24) are matched to realize partition regulation.
8. A backlight module with the light source structure as claimed in any one of claims 1 to 7, comprising:
a lower iron frame (30) with a placing cavity (31);
a backlight material (50) disposed within the placement cavity (31);
a middle iron frame (60) connected with the lower iron frame (30);
the light source structure (40) is arranged in the placing cavity (31) and used for providing light; the middle iron frame (60) is used for fixing the light source structure (40) and the backlight material (50) in the placing cavity (31).
9. The backlight module with a light source structure according to claim 8, wherein the lower iron frame (30), the light source structure (40), the backlight material (50) and the middle iron frame (60) are all arranged in an irregular polygonal shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222469137.4U CN218099876U (en) | 2022-09-17 | 2022-09-17 | Light source structure of polygonal backlight module and backlight module with same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222469137.4U CN218099876U (en) | 2022-09-17 | 2022-09-17 | Light source structure of polygonal backlight module and backlight module with same |
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| CN218099876U true CN218099876U (en) | 2022-12-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116312279A (en) * | 2023-05-22 | 2023-06-23 | 武汉华星光电技术有限公司 | Lamp panel and display panel |
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- 2022-09-17 CN CN202222469137.4U patent/CN218099876U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116312279A (en) * | 2023-05-22 | 2023-06-23 | 武汉华星光电技术有限公司 | Lamp panel and display panel |
| CN116312279B (en) * | 2023-05-22 | 2023-10-31 | 武汉华星光电技术有限公司 | Lamp panel and display panel |
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