CN207907128U - A kind of backlight module - Google Patents
A kind of backlight module Download PDFInfo
- Publication number
- CN207907128U CN207907128U CN201820419965.8U CN201820419965U CN207907128U CN 207907128 U CN207907128 U CN 207907128U CN 201820419965 U CN201820419965 U CN 201820419965U CN 207907128 U CN207907128 U CN 207907128U
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- guide plate
- light guide
- ink
- light
- supporting part
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Abstract
The utility model discloses a kind of backlight modules comprising reflector plate, glue frame, light guide plate and blue LED lamp；The glue frame is set to the edge of the reflector plate comprising supporting part and the side wall upwardly extended by supporting part edge；The light guide plate is set to the upper surface for being located at the reflector plate outside the light guide plate on the reflector plate and on the inside of the supporting part equipped with ink, and the ink can absorb blue light；The LED light is set to the light guide plate side.Since the reflector plate upper surface outside light guide plate is equipped with the ink of absorbable blue light, when the blue light of blue LED lamp is leaked out from light guide plate side, these blue lights can be absorbed by ink, be gone out without direct irradiation, and bad experience sense is brought to prevent blue light direct irradiation from going out.
Description
Technical field
The utility model is related to a kind of display technology fields, more specifically to a kind of backlight module.
Background technology
It in existing backlight module, is irradiated on light guide plate usually using blue LED lamp, then light passes through light conversion film
And it shines out after being converted to white light.But still suffer from some light and leaked out via light guide plate side, these light do not pass through
Cross light conversion film and direct irradiation is gone out, and the light that this part leaks out is shown as blue, brings very bad experience sense.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of backlight modules, due to anti-outside light guide plate
The ink that piece upper surface is equipped with absorbable blue light is penetrated, when the blue light of blue LED lamp is leaked out from light guide plate side, these blue light meetings
It is absorbed by ink, goes out without direct irradiation, bad experience sense is brought to prevent blue light direct irradiation from going out.
Technical problem to be solved in the utility model is achieved by the following technical programs：
In order to solve the above technical problems, the utility model provides a kind of backlight module comprising reflector plate, is led glue frame
Tabula rasa and blue LED lamp；The glue frame is set to the edge of the reflector plate comprising supporting part and is prolonged upwards by supporting part edge
The side wall stretched；The light guide plate is set to the institute on the reflector plate and on the inside of the supporting part, being located at outside the light guide plate
The upper surface for stating reflector plate is equipped with ink, and the ink can absorb blue light；The LED light is set to the light guide plate side.
Further, the ink is thermosetting ink.
Further, the ink is UV ink.
Further, FPC is additionally provided in the LED light, the sides FPC snap on the supporting part, and the other side is taken
It is connected on the light guide plate.
Further, it is additionally provided with optical film group on the light guide plate.
Further, the optical film group includes the quantum dot film, lower bright enhancement film and upper bright enhancement film set gradually.
The utility model has the advantages that：Since the reflector plate upper surface outside light guide plate is equipped with absorbable indigo plant
The ink of light, when the blue light of blue LED lamp is leaked out from light guide plate side, these blue lights can be absorbed by ink, without straight
It connects and shines out, bad experience sense is brought to prevent blue light direct irradiation from going out.
FPC in LED light includes substrate layer, and the upper surface of substrate layer is provided with circuit layer, the lower surface setting of substrate layer
It can be circuit layer, metallic radiating layer respectively by sticking double faced adhesive tape on substrate layer to have metallic radiating layer, set-up mode.By
It can be diffused into metallic radiating layer by substrate layer in the heat on the thinner thickness of substrate layer, FPC, which can
The heat dissipation area for effectively increasing FPC, plays the role of Homogeneouslly-radiating, to improve the radiating efficiency of FPC.
Description of the drawings
Fig. 1 is a kind of back light module unit structure schematic diagram provided by the utility model.
Fig. 2 is enlarged drawing at the A of Fig. 1.
Fig. 3 is enlarged drawing at the B of Fig. 1.
Fig. 4 is the structural schematic diagram of FPC in Fig. 2.
Fig. 5 is enlarged drawing at the C of Fig. 1.
Specific implementation mode
The utility model is described in detail with reference to embodiment, embodiment is only the preferred reality of the utility model
Mode is applied, is not the restriction to the utility model.
It please refers to Fig.1 to Fig.3, is a kind of backlight module provided by the utility model comprising reflector plate 1, is led glue frame 2
Tabula rasa 3 and blue LED lamp 4；The glue frame 2 is set to the edge of the reflector plate 1 comprising supporting part 21 and by 21 side of supporting part
The side wall 22 that edge upwardly extends, the supporting part 21 and the side wall 22 are mutually perpendicular to；The light guide plate 3 is set to the reflector plate
On 1 and positioned at 21 inside of the supporting part, the upper surface for being located at the reflector plate 1 outside the light guide plate 3 is equipped with ink 5, institute
It states ink 5 and can absorb blue light；The LED light 4 is set to 3 side of the light guide plate.Due on the reflector plate 1 outside light guide plate 3
Surface is equipped with the ink 5 of absorbable blue light, and when the blue light of blue LED lamp 4 is leaked out from 3 side of light guide plate, these blue lights can quilt
Ink 5 is absorbed, and is gone out without direct irradiation, and bad experience sense is brought to prevent blue light direct irradiation from going out.
Further, the ink 5 is thermosetting ink, can 3 side of light guide plate be leaked out blue light absorption, to prevent blue light
Direct irradiation goes out and brings bad experience sense.
Further, the ink 5 is UV ink, can 3 side of light guide plate be leaked out blue light absorption, to prevent blue light straight
It connects and shines out and bring bad experience sense.
Further, FPC6 is additionally provided in the LED light 4, the sides FPC6 snap on the supporting part 21, another
Side snaps on the light guide plate 3.
Referring to Fig. 4, further, which includes substrate layer 61, the upper surface of substrate layer 61 is provided with circuit layer 62,
The lower surface of substrate layer 61 is provided with metallic radiating layer 63, and set-up mode can be circuit layer 62, the difference of metallic radiating layer 63
By sticking double faced adhesive tape on substrate layer 61.Due to the thinner thickness of substrate layer 61, the heat on FPC6 can pass through substrate layer
61 are diffused into metallic radiating layer 63, which can effectively increase the heat dissipation area of FPC6, play Homogeneouslly-radiating
Effect, to improve the radiating efficiency of FPC6.Wherein substrate layer 61 can be polyimides, polyester, polysulfones or polytetrafluoroethyl-ne
Any one in alkene, double faced adhesive tape are any one in acrylic acid glue-line or epoxy glue layer, which can
Think copper foil layer.
Further, FPC6 further includes at least one through the logical of substrate layer 61, circuit layer 62 and metallic radiating layer 63
Hole 64, the inner wall of the through-hole 64 are provided with the heat-conducting layer contacted with circuit layer 62, metallic radiating layer 63, using good at through-hole 64
Heat conductivility, the circuit layer 62 and metallic radiating layer 63 of 61 both sides of substrate layer can be electrically connected, play good heat conduction work(
Can, and heat-conducting layer can provide heat conduction function, to reach good heat dissipation effect.Wherein, which can be copper glue conductive oil
5 layers of ink.
Further, it is provided with the heat carrier being connect with external conductive structure in through-hole 64, the heat carrier is from circuit layer
62 side is connected with external conductive structure, is also in contact with the heat-conducting layer in through-hole 64, so that circuit layer 62, metal dissipate
Thermosphere 63 can be connected by through-hole 64 with external conductive structure, so that the heat in FPC6 passes through in the through-hole 64
Heat carrier diffuses to external conductive structure, to further increase the radiating efficiency of FPC6.Preferably, in order to allow through-hole 64 with
External conductive structure is connected, which is set to the marginal position of FPC6.
Further, the metallic radiating layer 63 be uniform radiating structure, structure can be reticular structure, strip structure,
Any one in wavelike structure or honeycomb structure can preferably improve heat dissipation effect by the uniform radiating structure.
Fig. 3 and Fig. 5 are please referred to, further, optical film group is additionally provided on the light guide plate 3.
Further, the optical film group includes the quantum dot film 7, lower bright enhancement film and upper bright enhancement film set gradually.
Further, the quantum dot film 7 extends on the supporting part 21.What quantum dot film 7 can project light guide plate 3
Light is converted into white light, and light guide plate 3 is completely covered quantum dot film 7, and extends on supporting part 21, even if having light via leading
3 side of tabula rasa leaks out, and will also pass through quantum dot film 7, will not will be without quantum to project after light is converted into white light
The light that point film 7 is converted projects, and avoids bringing bad experience sense to user；Quantum dot film 7 can usually be done in inside simultaneously
Micro-structure can save diffusion barrier to realize diffusion effect.
Further, 3 upper and lower surface of the light guide plate is respectively equipped at least one first positioning column 8 and at least one
A second positioning column 9, the optical film group are equipped with first positioning hole corresponding with first positioning column 8, the reflection
Piece 1 is equipped with second location hole corresponding with second positioning column 9.First positioning hole in optical film group can pass through first
Positioning column 8 realizes positioning and fixation, and the second location hole on reflector plate 1 can realize positioning and solid by second positioning column 9
Fixed, without being positioned by auxiliary fixture, assembling process is simple, and assembly precision is high, can reduce the production cost of backlight module.
Further, it is equipped with around described in the junction of light guide plate 3 and first positioning column 8 on the light guide plate 3
First groove 81 of the first positioning column 8, the light guide plate 3 and the junction of second positioning column 9 are equipped with around described second
Second groove 91 of positioning column 9, when being avoided due to die wear with this, at the edge angle of the first positioning column 8 and the second positioning column 9
It generates fillet and generates interference with other component, assembly precision is influenced, to improve yields and efficiency of assembling.
Further, the cross-sectional shape of first groove, 81 and second groove 91 is rectangular, arc-shaped or triangle
Shape, but not limited to this, and rectangular, arc-shaped and triangular structure is simple, easily fabricated；Assembly essence is not interfered with after die wear
Degree.
Above example only expresses the embodiment of the utility model, the description thereof is more specific and detailed, but can not
Therefore it is interpreted as the limitation to the utility model patent range, as long as the form using equivalent substitution or equivalent transformation is obtained
Technical solution, shall fall within the scope of the present invention.
Claims (6)
1. a kind of backlight module, which is characterized in that it includes：
Reflector plate；
Glue frame is set to the edge of the reflector plate comprising supporting part and the side wall upwardly extended by supporting part edge；
Light guide plate is set to the reflection on the reflector plate and on the inside of the supporting part, being located at outside the light guide plate
The upper surface of piece is equipped with ink, and the ink can absorb blue light；
Blue LED lamp is set to the light guide plate side.
2. backlight module according to claim 1, which is characterized in that the ink is thermosetting ink.
3. backlight module according to claim 1, which is characterized in that the ink is UV ink.
4. backlight module according to claim 1, which is characterized in that be additionally provided with FPC, the sides FPC in the LED light
It snaps on the supporting part, the other side snaps on the light guide plate.
5. backlight module according to claim 1, which is characterized in that be additionally provided with optical film group on the light guide plate.
6. backlight module according to claim 5, which is characterized in that the optical film group includes the quantum dot set gradually
Film, lower bright enhancement film and upper bright enhancement film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820419965.8U CN207907128U (en) | 2018-03-27 | 2018-03-27 | A kind of backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820419965.8U CN207907128U (en) | 2018-03-27 | 2018-03-27 | A kind of backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207907128U true CN207907128U (en) | 2018-09-25 |
Family
ID=63558514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820419965.8U Active CN207907128U (en) | 2018-03-27 | 2018-03-27 | A kind of backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207907128U (en) |
-
2018
- 2018-03-27 CN CN201820419965.8U patent/CN207907128U/en active Active
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