CN212749477U - Display module - Google Patents
Display module Download PDFInfo
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- CN212749477U CN212749477U CN202021574862.2U CN202021574862U CN212749477U CN 212749477 U CN212749477 U CN 212749477U CN 202021574862 U CN202021574862 U CN 202021574862U CN 212749477 U CN212749477 U CN 212749477U
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- circuit board
- display module
- light
- bottom plate
- light guide
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Abstract
The utility model relates to a show technical field, especially relate to a display module assembly. The display module comprises a backlight module and a circuit board, wherein the backlight module comprises a back plate and a light guide plate, the back plate comprises a bottom plate and a plurality of side walls arranged on the bottom plate in a surrounding manner, and the light guide plate is positioned in an accommodating space formed by the bottom plate and the side walls; the circuit board and the light guide plate are positioned on the same side of the back plate, and the circuit board is parallel to the bottom plate; the circuit board is provided with a main board area and a light bar area, the main board area comprises a first substrate and a plurality of electronic components arranged on the first substrate, the light bar area comprises a second substrate and a plurality of light-emitting elements arranged on the second substrate, and the light-emitting elements and the electronic components are arranged on one side, facing the bottom plate, of the circuit board. The utility model provides an among the display module assembly, mainboard and lamp strip have been integrateed to the circuit board, have reduced the part number in the display module assembly, have not only simplified the production equipment step to improve display module assembly's production efficiency, still reduced display module assembly's thickness, be favorable to realizing display device's frivolousization.
Description
Technical Field
The utility model relates to a show technical field, especially relate to a display module assembly.
Background
In recent years, with the rapid development of flat panel Display technology, Liquid Crystal Displays (LCDs) have been widely used in various information, communication, and consumer products because of their advantages such as small size, high image quality, no radiation, and low driving voltage. Since the lcd panel of the lcd does not emit light, a backlight module is required to be provided on the back of the lcd panel as a backlight source to normally display images.
With the rapid development of light source technology in backlight modules, LEDs (light emitting diodes) gradually replace Cold Cathode Fluorescent Lamps (CCFLs) due to their characteristics of low energy consumption, small size, long life, low temperature rise, etc., and are used as backlight sources of liquid crystal display devices in the form of LED backlight modules. Among the present side income formula display module assembly, independent separately between backlight unit and mainboard and the LED lamp strip, mainboard and LED lamp strip are connected through the connector, and LED lamp strip is attached on the backplate again through heat conduction glue on the heat dissipation aluminium strip, and it is more to relate to the material, inconvenient assembly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a display module assembly, this display module assembly's part is less, has simplified the production equipment step, and has reduced the inside line of walking of backlight unit, has improved the reliability of product, is favorable to reducing display module assembly's thickness.
In order to achieve the above purpose, the solution of the present invention is:
a display module comprises a backlight module and a circuit board, wherein the backlight module comprises a back plate and a light guide plate, the back plate comprises a bottom plate and a plurality of side walls arranged on the bottom plate in a surrounding manner, the bottom plate and the side walls form an accommodating space, the light guide plate is arranged in the accommodating space, one side of the light guide plate is provided with a light incident surface,
the circuit board is arranged close to the light incident surface, the circuit board and the light guide plate are positioned on the same side of the bottom plate, and the circuit board is parallel to the bottom plate; the circuit board is provided with mainboard district and lamp strip district, the mainboard district with the lamp strip district is connected, the mainboard district include first base plate and set up in a plurality of electronic components on the first base plate, the lamp strip district include the second base plate and set up in a plurality of light-emitting component on the second base plate, a plurality of light-emitting component with a plurality of electronic components set up in the circuit board orientation one side of bottom plate.
Preferably, the light bar region is located on one side of the side wall close to the light incident surface, and the main board region is located on one side of the side wall far away from the light incident surface.
Preferably, the light bar region is long and arranged along the length direction of the light incident surface of the light guide plate.
Preferably, the length of the light bar region is matched with the length of the light incident surface of the light guide plate, and the light bar region is provided with a plurality of light emitting elements along the length direction.
Preferably, one side wall of the back plate is provided with a plurality of lugs extending towards the side far away from the bottom plate in a bending way, and the circuit board is carried on the lugs.
Preferably, each lug is provided with a screw hole, the circuit board is provided with a through hole at a position corresponding to the screw hole, and the locking accessory penetrates through the through hole to fix the circuit board on the back plate.
Preferably, the display module further comprises a display panel, and a first step, a second step and a third step are arranged at one end, close to the light incident surface, of the light guide plate; the first step bears the display panel, and the second step and the third step bear the light bar area.
Preferably, a light shielding member is disposed between the first step and the display panel.
Preferably, the first substrate is a printed circuit board, and the second substrate is a flexible circuit board.
Preferably, the backlight module further comprises: the reflecting sheet is arranged between the bottom plate and the light guide plate; the optical film is arranged on one side, far away from the bottom plate, of the light guide plate.
The embodiment of the utility model provides a display module assembly, including backlight module and circuit board, backlight module includes backplate and light guide plate, wherein, the backplate includes the bottom plate and encloses a plurality of lateral walls that establish on the bottom plate, and the bottom plate forms an accommodation space with a plurality of lateral walls, and the light guide plate is located this accommodation space, and one side of this light guide plate has into the plain noodles; the circuit board and the light guide plate are positioned on the same side of the back plate, and the circuit board and the bottom plate are arranged in parallel; the circuit board is provided with mainboard district and lamp strip district, and the mainboard district includes first base plate and sets up a plurality of electronic components on first base plate, and the lamp strip district includes the second base plate and sets up a plurality of light emitting component on the second base plate, and a plurality of light emitting component and a plurality of electronic components set up in the circuit board towards one side of bottom plate. In the display module provided by the embodiment, the circuit board integrates the main board and the light bar, so that the number of parts in the display module is reduced, the production and assembly steps are simplified, the production efficiency of the display module is improved, the thickness of the display module is reduced, and the display module is favorable for realizing the lightness and thinness of display equipment; electronic components and light emitting component have simplified the inside winding displacement of display module assembly through the inside line of walking of circuit board for display module assembly is more succinct, has improved display module assembly's reliability.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of a display module according to the present invention;
fig. 2 is a schematic diagram of a circuit board structure at a viewing angle according to the present invention;
fig. 3 is a schematic diagram of a circuit board structure at another viewing angle provided by the present invention;
fig. 4 is a schematic view of a local structure of the back plate provided by the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1 is the utility model provides a section structure schematic diagram of display module assembly, fig. 2 is the utility model provides a circuit board structure schematic diagram under the visual angle, fig. 3 is the utility model provides a circuit board structure schematic diagram under another visual angle, as shown in fig. 1-3, the display module assembly that this embodiment provided includes backlight unit and circuit board 20, backlight unit includes backplate 11 and light guide plate 12, this backplate 11 includes bottom plate 111 and encloses a plurality of lateral walls 112 of establishing on bottom plate 111, bottom plate 111 and a plurality of lateral walls 112 form a accommodation space, light guide plate 12 is located this accommodation space, one side of light guide plate has into plain noodles 121. Specifically, the circuit board 20 is disposed near the light incident surface 121, the circuit board 20 and the light guide plate 12 are located on the same side of the bottom plate 111, and the circuit board is disposed parallel to the bottom plate 111. The circuit board 20 is provided with a main board area 21 and a light bar area 22, and the main board area 21 is connected with the light bar area 22. The main board section 21 includes a first substrate 211 and a plurality of electronic components 212 disposed on the first substrate 211, wherein the electronic components 212 may be resistors, control chips, or driving chips; the light bar region 22 includes a second substrate 221 and a plurality of light emitting elements 222 disposed on the second substrate 221, wherein the light emitting elements 222 may be LEDs or Mini LEDs. The light-emitting elements 222 are disposed on the same side of the circuit board 20 as the electronic components 212 toward the base plate 111.
Preferably, the first substrate 211 is a printed circuit board, the second substrate 221 is a flexible circuit board, and in other embodiments, both the first substrate 211 and the second substrate 221 can be printed circuit boards.
Further, the backlight module further includes a reflective sheet 13 and an optical film 14. The linear light source emitted from the light emitting device 222 forms a surface light source through the total internal reflection of the light guide plate 12 and the dots arranged in the light guide plate 12, and forms a uniform surface light source through the diffusion of the optical film 14 arranged on the side of the light guide plate 12 away from the bottom plate 111, for displaying images. In order to improve the utilization rate of light and the brightness of the display module, the reflective sheet 13 is disposed between the light guide plate 12 and the bottom plate 111, and the light emitted from the light guide plate 12 toward the bottom plate 111 can enter the light guide plate 12 again under the reflection action of the reflective sheet 13 and then be emitted through the light emitting surface 125 of the light guide plate 12.
In this embodiment, circuit board 20 has integrateed display module's among the prior art mainboard and lamp strip, has reduced the inside part number of display module, has not only simplified display module's production equipment step to improve display module's production efficiency, still reduced display module's thickness, be favorable to realizing display device's frivolousization.
It can be understood that the electronic components 212 and the light emitting elements 222 are wired inside the circuit board 20, so that the flat cable inside the display module can be simplified, the internal structure of the display module is simpler, and the reliability of the display module is improved.
With continued reference to fig. 1-3, preferably, the light bar regions 22 are located on the side walls 112 near the light incident surface 121 of the light guide plate 12, and the main plate region 21 is located on the side walls 112 far from the light incident surface 121.
Further, the light bar region 22 is strip-shaped and is disposed along the length direction of the light incident surface 121 of the light guide plate 12, and the main plate region 21 is connected to the light bar region 22. In order to improve the light brightness of the display module, the length of the light bar region 22 may be adapted to the length of the light incident surface 121 of the light guide plate 12, and the light bar region 22 is provided with a plurality of light emitting elements 222 along the length direction, so that the light incident surface 121 of the light guide plate 12 can uniformly receive the light of the light emitting elements 222, thereby improving the uniformity of the light emitting surface 125 of the light guide plate 12.
In addition, the display module further includes a display panel 16, and one end of the light guide plate 12 close to the light incident surface 121 is disposed in a stepped manner, i.e., a first step 122, a second step 123 and a third step 124 are disposed. Specifically, the first step 122 of the light guide plate 12 is higher than the light exit surface 125 of the light guide plate 12, the first step 122 is used for carrying the display panel 16, and the optical film 14 is disposed between the display panel 16 and the light exit surface; the light bar region 22 of the circuit board 20 is supported on the second step 123 and the third step 124, that is, the second substrate 221 is supported on the second step 123, and the light emitting elements 222 are supported on the third step 124. By adopting the structure design, the utilization rate of the light source can be improved.
Preferably, to avoid light leakage of the display module, a light shielding member 17 may be disposed between the first step 122 and the display panel 16, wherein the light shielding member 17 in the embodiment may be a light shielding tape, but not limited thereto, and a person skilled in the art can select the light shielding tape according to actual requirements.
Fig. 4 is a schematic view of a partial structure of a back plate according to the present invention, as shown in fig. 1 to 4, a plurality of protruding lugs 113 extending to a side away from a bottom plate 111 are disposed on a side wall 112 of the back plate 11 close to a light incident surface 121 of a light guide plate 12, and a circuit board 20 is supported on the protruding lugs 113, for example, two protruding lugs 113 are taken as an example in the present embodiment, the number of the protruding lugs 113 may also be greater than two in other embodiments, and the present embodiment does not limit this.
Preferably, each lug 113 is provided with a screw hole 114, the circuit board 20 is provided with a through hole 213 at a position corresponding to the screw hole 114, it is understood that the screw hole is provided on the main board area 21 of the circuit board 20, and the position of the main board area 21 corresponding to the lug 113 is free of the electronic component 212, so that no interference problem is caused. The locking member 15 passes through the through hole 213 to fix the circuit board 20 to the back plate 11, thereby achieving the fixing and grounding functions of the circuit board 20. The locking attachment 15 may be a screw matched with the screw hole 114, and the fixing manner provided by this embodiment is simple and reliable, and is convenient to install and disassemble. In other embodiments, the locking accessory 15 may also be other devices that can realize fixing, and the embodiment of the present invention is not limited thereto, and those skilled in the art can select the device according to actual needs.
The embodiment of the utility model provides a display module assembly, including backlight module and circuit board, backlight module includes backplate and light guide plate, wherein, the backplate includes the bottom plate and encloses a plurality of lateral walls that establish on the bottom plate, and the bottom plate forms an accommodation space with a plurality of lateral walls, and the light guide plate is located this accommodation space, and one side of this light guide plate has into the plain noodles; the circuit board and the light guide plate are positioned on the same side of the back plate, and the circuit board and the bottom plate are arranged in parallel; the circuit board is provided with mainboard district and lamp strip district, and the mainboard district includes first base plate and sets up a plurality of electronic components on first base plate, and the lamp strip district includes the second base plate and sets up a plurality of light emitting component on the second base plate, and a plurality of light emitting component and a plurality of electronic components set up in the circuit board towards one side of bottom plate. In the display module provided by the embodiment, the circuit board integrates the main board and the light bar, so that the number of parts in the display module is reduced, the production and assembly steps are simplified, the production efficiency of the display module is improved, the thickness of the display module is reduced, and the display module is favorable for realizing the lightness and thinness of display equipment; electronic components and light emitting component have simplified the inside winding displacement of display module assembly through the inside line of walking of circuit board for display module assembly is more succinct, has improved display module assembly's reliability.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (10)
1. A display module comprises a backlight module and a circuit board, wherein the backlight module comprises a back plate and a light guide plate, the back plate comprises a bottom plate and a plurality of side walls arranged on the bottom plate in a surrounding manner, the bottom plate and the side walls form an accommodating space, the light guide plate is arranged in the accommodating space, one side of the light guide plate is provided with a light incident surface, the display module is characterized in that,
the circuit board is arranged close to the light incident surface, the circuit board and the light guide plate are positioned on the same side of the bottom plate, and the circuit board is parallel to the bottom plate; the circuit board is provided with mainboard district and lamp strip district, the mainboard district with the lamp strip district is connected, the mainboard district include first base plate and set up in a plurality of electronic components on the first base plate, the lamp strip district include the second base plate and set up in a plurality of light-emitting component on the second base plate, a plurality of light-emitting component with a plurality of electronic components set up in the circuit board orientation one side of bottom plate.
2. The display module assembly according to claim 1, wherein the light bar regions are located on the side of the side wall close to the light incident surface, and the main board regions are located on the side of the side wall far from the light incident surface.
3. The display module according to claim 2, wherein the light bar regions are elongated and arranged along a length direction of the light incident surface of the light guide plate.
4. The display module according to claim 3, wherein the length of the light bar region is adapted to the length of the light incident surface of the light guide plate, and the light bar region is provided with a plurality of light emitting elements along the length direction.
5. The display module assembly of claim 1, wherein a side wall of the back plate is provided with a plurality of lugs extending to the side away from the bottom plate, and the circuit board is carried on the lugs.
6. The display module assembly as claimed in claim 5, wherein each of the lugs has a screw hole, the circuit board has a through hole corresponding to the screw hole, and the locking member passes through the through hole to fix the circuit board to the back plate.
7. The display module according to claim 1, wherein the display module further comprises a display panel, and a first step, a second step and a third step are disposed at one end of the light guide plate close to the light incident surface; the first step bears the display panel, and the second step and the third step bear the light bar area.
8. The display module of claim 7, wherein a light shielding member is disposed between the first step and the display panel.
9. The display module of claim 1, wherein the first substrate is a printed circuit board and the second substrate is a flexible circuit board.
10. A display module according to any one of claims 1-9, wherein the backlight module further comprises: the reflecting sheet is arranged between the bottom plate and the light guide plate; the optical film is arranged on one side, far away from the bottom plate, of the light guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021574862.2U CN212749477U (en) | 2020-08-03 | 2020-08-03 | Display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021574862.2U CN212749477U (en) | 2020-08-03 | 2020-08-03 | Display module |
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| Publication Number | Publication Date |
|---|---|
| CN212749477U true CN212749477U (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021574862.2U Active CN212749477U (en) | 2020-08-03 | 2020-08-03 | Display module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115390314A (en) * | 2022-09-16 | 2022-11-25 | 合肥京东方瑞晟科技有限公司 | Backlight module, display module and display device |
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2020
- 2020-08-03 CN CN202021574862.2U patent/CN212749477U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115390314A (en) * | 2022-09-16 | 2022-11-25 | 合肥京东方瑞晟科技有限公司 | Backlight module, display module and display device |
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