CN210465926U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
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- CN210465926U CN210465926U CN201921568395.XU CN201921568395U CN210465926U CN 210465926 U CN210465926 U CN 210465926U CN 201921568395 U CN201921568395 U CN 201921568395U CN 210465926 U CN210465926 U CN 210465926U
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- guide plate
- light
- light guide
- circuit layer
- light source
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Abstract
The utility model is suitable for a show technical field, provide a backlight module and display device. The utility model discloses a backlight unit includes the light guide plate, light source subassembly and optical module, and the light guide plate has into plain noodles and goes out the plain noodles, and the light source subassembly is including locating the circuit layer on the light guide plate to and with circuit layer electric connection's light source, the circuit layer is used for the light source power supply, and the light source goes into plain noodles light-emitting towards, and optical module locates the one side on the plain noodles of light guide plate, compares in traditional backlight unit, the utility model discloses a be equipped with the circuit layer that is used for the light source power supply on the light guide plate, consequently can leave out the circuit board, based on this, can reduce backlight unit's structural cost, simplify backlight unit's assembly. The utility model discloses a display device includes display panel and above-mentioned backlight unit, and backlight unit is luminous towards display panel, the utility model discloses a display device has with low costs and thickness thinner advantage.
Description
Technical Field
The utility model relates to a show technical field, in particular to backlight module and display device.
Background
With the development of display technology, the products in the display field are updated and updated more frequently, the structures are changed day by day, the price of the display products in the market is more serious, and the cost is extremely changed into a threshold which must be considered for the structural design. The existing backlight module generally comprises a light guide plate and a light source component arranged at the light incident side of the light guide plate, wherein the light source component comprises a circuit board and a light source, and the traditional structural design has higher cost and is difficult to meet the requirement of people on cost polarization.
Disclosure of Invention
An object of the utility model is to provide a backlight unit aims at solving the higher technical problem of current backlight unit's cost.
The utility model discloses a realize like this, a backlight unit, include:
the light guide plate is provided with a light incident surface and a light emergent surface;
the light source assembly comprises a circuit layer arranged on the light guide plate and a light source electrically connected with the circuit layer, the circuit layer is used for supplying power to the light source, and the light source emits light towards the light incident surface; and
and the optical module is correspondingly arranged on one side of the light-emitting surface of the light guide plate.
In an embodiment of the present invention, the light guide plate extends perpendicularly outward from the light incident surface to form an installation portion, the circuit layer is disposed on the installation portion, and the light source is disposed on the circuit layer.
In an embodiment of the present invention, the light source is soldered on the circuit layer.
In an embodiment of the present invention, the circuit layer is a copper foil circuit layer.
In an embodiment of the present invention, the optical module is attached to the light emitting surface of the light guide plate.
In an embodiment of the present invention, the optical module includes at least one of a brightness enhancement sheet and a diffusion sheet.
In an embodiment of the present invention, the backlight module further includes a middle frame disposed on the periphery of the light guide plate, the middle frame has a slot opened toward one side of the light guide plate, and the light guide plate and the optical module are embedded in the slot.
In an embodiment of the present invention, a reflective sheet is disposed on a side of the light guide plate away from the optical module, and the reflective sheet is embedded in the slot.
In an embodiment of the present invention, the reflective sheet is attached to a surface of the light guide plate on a side away from the optical module.
Another object of the present invention is to provide a display device, which includes a display panel and a backlight module as described above, wherein the backlight module faces the display panel to emit light.
The utility model provides a backlight module, including light guide plate, light source subassembly and optical module, the light guide plate has into plain noodles and goes out the plain noodles, and the light source subassembly is including locating the circuit layer on the light guide plate to and with circuit layer electric connection's light source, the circuit layer is used for the light source power supply, and the light source goes into plain noodles light-emitting towards, and optical module locates the one side on the plain noodles of light guide plate, compares in traditional backlight module, the utility model discloses a be equipped with on the light guide plate and be used for the circuit layer for the light source power supply, consequently can omit the circuit board, based on this, can reduce backlight module's structural cost, simplify backlight module's assembly efficiency, reduce backlight module. The utility model provides a display device, including display panel and above-mentioned backlight unit, backlight unit is luminous towards display panel, the utility model discloses a display device has advantage with low costs.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a backlight module according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a display device according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1-a light guide plate; 11-a mounting portion;
12-a light incident surface; 13-a light-emitting surface;
2-a light source assembly; 21-a circuit layer;
22-a light source; 3-an optical module;
31-a brightness enhancement sheet; 32-a diffusion sheet;
4-a reflective sheet; 5-middle frame;
51-a card slot; 6-display panel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the patent. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.
In order to explain the technical solution of the present invention, the following detailed description is made with reference to the specific drawings and examples.
Referring to fig. 1, an embodiment of the present invention provides a side-in type backlight module, including:
a light guide plate 1 having a light incident surface 12 and a light emitting surface 13;
the light source assembly 2 comprises a circuit layer 21 arranged on the light guide plate 1 and a light source 22 electrically connected with the circuit layer 21, the circuit layer 21 is used for supplying power to the light source 22, and the light source 22 emits light towards the light incident surface 12; and
the optical module 3 is disposed at one side of the light-emitting surface 13 of the light guide plate 1.
The light source subassembly is including locating the circuit layer on the light guide plate to and with circuit layer electric connection's light source, the circuit layer is used for supplying power for the light source, and the light source goes into the plain noodles light-emitting, and optical module locates the one side on the play plain noodles of light guide plate, compares in traditional backlight unit, the utility model discloses a be equipped with the circuit layer that is used for supplying power for the light source on the light guide plate, consequently can omit the circuit board, based on this, can reduce backlight unit's structural cost, simplify backlight unit's assembly efficiency, reduce backlight unit's time cost to accomplish the cost extremely ization.
The utility model discloses a backlight unit includes light guide plate 1, light source subassembly 2 and optical module 3, and light guide plate 1 has into plain noodles 12 and play plain noodles 13, and light source subassembly 2 is including locating circuit layer 21 on the light guide plate 1 to and with circuit layer 21 electric connection's light source 22, circuit layer 21 is used for supplying power for light source 22, and light source 22 goes into plain noodles 12 light-emitting towards, and optical module 3 locates one side of the play plain noodles 13 of light guide plate 1, compares in traditional backlight unit, the utility model discloses a be equipped with the circuit layer 21 that is used for supplying power for light source 22 on the light guide plate 1, consequently can omit the circuit board, based on this, can reduce backlight unit's structural cost, simplify backlight unit's assembly efficiency, reduce backlight unit's time cost to accomplish the cost and extremely.
In an embodiment of the present invention, the light guide plate 1 extends perpendicularly outwards from the light incident surface 12 to form the mounting portion 11, the circuit layer 21 is disposed on the mounting portion 11, and the light source 22 is disposed on the circuit layer 21. In this embodiment, the installation portion 11 is far away from the light emitting surface 13, so that the light incident surface 12 side of the light guide plate 1 forms a step, the circuit layer 21 is disposed on one side of the installation portion 11 close to the light emitting surface 13, i.e., the circuit layer 21 is disposed at the step, thereby making the backlight module of the present invention compact in structure and small in occupied space.
The utility model discloses an in the embodiment, light source 22 can be but not limited to on setting up circuit layer 21 through the welded mode to realize electric connection and fixed connection between light source 22 and the circuit layer 21 simultaneously, compare in traditional backlight unit, can omit the circuit board, reduced backlight unit's structural cost, accomplish the cost extremely ization.
It is worth mentioning that, circuit board on the market is FR4 base plate or aluminium base board etc. usually, and the manufacturing process of above-mentioned circuit board all need consume a large amount of water and energy etc to still can produce a large amount of metal ion pollutants, this can cause destruction to the environment undoubtedly, the utility model discloses a backlight unit has left out the circuit board, sees from cost, efficiency, environmental protection or market competition's angle, all has very big improvement.
The utility model discloses an in an embodiment, Light source 22 is at least one LED (Light Emitting Diode), and circuit layer 21 is the copper foil circuit layer, is equipped with the pad that corresponds LED on the copper foil circuit layer, through with the LED paster to corresponding pad on to accomplish being connected between LED and the copper foil circuit layer, in this embodiment, the effect of Light guide plate and circuit board has been compromise simultaneously to Light guide plate 1, greatly reduced backlight unit's cost of manufacture. It is understood that the light source 22 may be other light emitting members and the circuit layer 21 may be other material parts according to the choice of practical situation, and the present invention is not limited thereto.
The utility model discloses an in the embodiment, light guide plate 1 is the glass light guide plate, compares in current light guide plate, the utility model discloses a glass light guide plate's stability and mechanical strength are higher, and consequently the glass light guide plate can regard as the backplate to use, so the utility model discloses a backlight unit can omit the backplate, so that the utility model discloses a backlight unit reaches the ultra-thinization to further reduce backlight unit's structural cost, accomplish the cost extremely ization.
The utility model discloses an in an embodiment, one side that optical module 3 was kept away from to light guide plate 1 is equipped with reflector plate 4 to improve the utilization ratio of light, effectively improve backlight unit's luminous intensity, in this embodiment, reflector plate 4 can be but not limited to paste the metal reflector plate who establishes the one side that optical module 3 was kept away from at light guide plate 1.
Optionally, the optical module 3 is attached to the light exit surface 13 of the light guide plate 1, and the optical module 3 includes at least one of a brightness enhancement sheet 31 and a diffusion sheet 32. In an embodiment of the present invention, the optical module 3 includes a brightness enhancement sheet 31 attached to the light exit surface 13 of the light guide plate 1, and a diffusion sheet 32 attached to one side of the brightness enhancement sheet 31 away from the light guide plate 1, so as to improve the light exit intensity of the optical module 3. It should be understood that, according to the choice of actual situations, the combination of the brightness enhancement sheet 31 and the diffusion sheet 32 is not limited to the above arrangement, for example, more brightness enhancement sheets 31 or diffusion sheets 32 may be provided, and the optical module 3 may further include other optical film sheets, which is not limited herein.
In an embodiment of the present invention, the backlight module further includes a middle frame 5 disposed around the light guide plate 1, the middle frame 5 has a slot 51 opened toward one side of the light guide plate 1, the light guide plate 1 is embedded in the slot 51, in this embodiment, the optical module 3 and the reflector plate 4 are both embedded in the slot 51, and the optical module 3 and the reflector plate 4 can be stably disposed on the light guide plate 1.
Referring to fig. 2, another embodiment of the present invention provides a display device, including a display panel 6 and the backlight module as described above, the display panel 6 is disposed on one side of the optical module 3 of the backlight module, the backlight module emits light toward the display panel 6, the display panel 6 can be but not limited to a liquid crystal panel, and the display device of the embodiment of the present invention has the advantages of low cost and thin thickness.
The above description is only an alternative embodiment of the present invention, and should not be construed as limiting the present invention, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A backlight module, comprising:
the light guide plate is provided with a light incident surface and a light emergent surface;
the light source assembly comprises a circuit layer arranged on the light guide plate and a light source electrically connected with the circuit layer, the circuit layer is used for supplying power to the light source, and the light source emits light towards the light incident surface; and
and the optical module is correspondingly arranged on one side of the light-emitting surface of the light guide plate.
2. The backlight module as claimed in claim 1, wherein the light guide plate extends perpendicularly outward from the light incident surface to form a mounting portion, the circuit layer is disposed on the mounting portion, and the light source is disposed on the circuit layer.
3. The backlight module as claimed in claim 2, wherein the light source is soldered on the circuit layer.
4. The backlight module as claimed in claim 1, wherein the circuit layer is a copper foil circuit layer.
5. The backlight module as claimed in claim 1, wherein the optical module is attached to the light-emitting surface of the light guide plate.
6. A backlight module according to any one of claims 1-5, wherein the optical module comprises at least one of a brightness enhancement sheet and a diffuser sheet.
7. The backlight module according to any one of claims 1 to 5, further comprising a middle frame disposed around the light guide plate, wherein a side of the middle frame facing the light guide plate is formed with a slot, and the light guide plate and the optical module are embedded in the slot.
8. The backlight module as claimed in claim 7, wherein a reflective sheet is disposed on a side of the light guide plate away from the optical module, and the reflective sheet is embedded in the slot.
9. The backlight module as claimed in claim 8, wherein the reflective sheet is attached to a surface of the light guide plate on a side away from the optical module.
10. A display device comprising a display panel and the backlight module according to any one of claims 1 to 9, wherein the backlight module emits light toward the display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921568395.XU CN210465926U (en) | 2019-09-19 | 2019-09-19 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921568395.XU CN210465926U (en) | 2019-09-19 | 2019-09-19 | Backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210465926U true CN210465926U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921568395.XU Active CN210465926U (en) | 2019-09-19 | 2019-09-19 | Backlight module and display device |
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| CN (1) | CN210465926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113126197A (en) * | 2019-12-30 | 2021-07-16 | 海信视像科技股份有限公司 | Display device |
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2019
- 2019-09-19 CN CN201921568395.XU patent/CN210465926U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113126197A (en) * | 2019-12-30 | 2021-07-16 | 海信视像科技股份有限公司 | Display device |
| CN113126197B (en) * | 2019-12-30 | 2022-10-18 | 海信视像科技股份有限公司 | Display device |
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