CN211603790U - Lens structure for direct type backlight module - Google Patents
Lens structure for direct type backlight module Download PDFInfo
- Publication number
- CN211603790U CN211603790U CN202020146372.6U CN202020146372U CN211603790U CN 211603790 U CN211603790 U CN 211603790U CN 202020146372 U CN202020146372 U CN 202020146372U CN 211603790 U CN211603790 U CN 211603790U
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- CN
- China
- Prior art keywords
- light
- circuit board
- lens
- lens body
- light source
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 22
- 239000003292 glue Substances 0.000 claims abstract description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000741 silica gel Substances 0.000 claims description 8
- 229910002027 silica gel Inorganic materials 0.000 claims description 8
- 239000011324 bead Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 12
- 230000005389 magnetism Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 17
- 230000000694 effects Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Images
Abstract
The utility model provides a lens structure for straight following formula backlight unit, including circuit board and lens body, be equipped with the light source on the circuit board, the bottom of lens body is equipped with puts the light cavity, and the light source is located puts the light cavity, still is equipped with a n constant head tank on the circuit board, all is equipped with a parent's magnetism metal base in every constant head tank, and the inner wall of putting the light cavity covers there is the coloured glue film of printing opacity, and the bottom surface of lens body is equipped with the reflection stratum, and the reflection stratum is around outside putting the light cavity, and the bottom of reflection stratum is fixed with the magnet post that is located parent's magnetism metal base, and the magnet post coats and. The utility model discloses convenient operation of installation and use need not to carry out complicated counterpoint operation, and the fault-tolerant rate of installation action is high, when needs are maintained, opens the separation that the lenticle can realize lenticle and circuit board hard, and maintenance convenient operation, in addition, the light that the light source sent can form specific chromatic light through the colored glue film of printing opacity.
Description
Technical Field
The utility model relates to an optical lens specifically discloses a lens structure for straight following formula backlight unit.
Background
The backlight module is one of the key components of the liquid crystal display panel, and has the function of supplying sufficient light source with uniform brightness and distribution, so that the backlight module can normally display images. The backlight module mainly comprises a circuit board, a backlight source and a backlight lens, wherein the backlight lens is also called a TV lens and is a lens structure for the direct type backlight module, LED lamp beads are arranged on the light incident surface of the backlight lens, and light emitted by the LED lamp beads is diffused to the periphery through the backlight lens to realize uniform light distribution.
In the prior art, when the backlight lens is installed, a light source needs to be installed on a circuit board firstly, then the backlight lens is aligned to the light source and installed on the circuit board, the backlight lens needs to be fixedly connected with glue after being installed on the circuit board, when the backlight lens is installed, complex alignment operation needs to be carried out, the installation fault tolerance rate is low, and once misoperation occurs, the whole backlight module is easily scrapped.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a lens structure for a direct-type backlight module, which is convenient to install, use and install, has high installation fault tolerance and is convenient to maintain.
For solving the prior art problem, the utility model discloses a lens structure for straight following formula backlight unit, including circuit board and lens body, be equipped with the light source on the circuit board, the bottom of lens body is equipped with puts the light cavity, the light source is located puts the light cavity, still be equipped with a n constant head tank on the circuit board, n is for being greater than 1 integer, all be equipped with a parent's magnetism metal base in every constant head tank, the inner wall of putting the light cavity covers there is the coloured glue film of printing opacity, the bottom surface of lens body is equipped with the reflector layer, the reflector layer is around outside putting the light cavity, the bottom of reflector layer is fixed with the magnet post that is located parent's magnetism metal base, the magnet post coats and is stamped.
Further, the light source is an LED lamp bead.
Further, the magnetism-attracting metal base is a metal iron base.
Further, the light-transmitting colored adhesive layer comprises a silica gel layer, and a plurality of fluorescent powder particles which are uniformly distributed are arranged in the silica gel layer.
Further, the reflecting layer is a high-gloss aluminum coating.
Furthermore, the top of the lens body is provided with an arc-shaped recess.
The utility model has the advantages that: the utility model discloses a lens structure for straight following formula backlight unit, be provided with reliable guide counterpoint structure, the convenient operation of installation use, need not to carry out complicated counterpoint operation, the fault-tolerant rate of installation action is high, the installation back lens body can be fixed in on the circuit board steadily, overall structure is firm, when needs are maintained, the separation that lens body and circuit board can be realized to the lens body of revealing hard, maintenance convenient operation, in addition, the light that the light source sent can form specific chromatic light through the coloured glue film of printing opacity, can satisfy specific user demand.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.
The reference signs are: the lens comprises a circuit board 10, a light source 11, a positioning groove 12, a magnetic metal base 13, a lens body 20, a light placing cavity 21, a light transmitting colored glue layer 22, a silica gel layer 221, fluorescent powder particles 222, a reflecting layer 23, a magnet column 24, a reinforcing glue layer 25 and an arc-shaped recess 26.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Refer to fig. 1 and 2.
The embodiment of the utility model discloses a lens structure for straight following formula backlight unit, including circuit board 10 and lens body 20, be equipped with light source 11 on the circuit board 10, light source 11 is electrically conductive with the circuit of circuit board 10 and is connected, the bottom of lens body 20 is equipped with the inner wall and puts light cavity 21 for the curved surface, light source 11 is located puts light cavity 21, still be equipped with a plurality of constant head tanks 12 of n on the circuit board 10, n is for being greater than 1 integer, all be equipped with a magnetism-loving metal holder 13 in every constant head tank 12, the inner wall of putting light cavity 21 covers there is printing opacity coloured glue film 22, the bottom surface of lens body 20 is equipped with reflection stratum 23, reflection stratum 23 is around outside putting light cavity 21, the bottom of reflection stratum 23 is fixed with the magnet post 24 that is located magnetism-loving metal holder 13 through glue, magnet post 24 coats and.
When the lens is used, the light source 11 is installed on the circuit board 10, then the lens body 20 is installed on the circuit board 10, at the moment, the magnet column 24 is adsorbed into the magnetic affinity metal base 13 through the magnetic adsorption effect, the rapid alignment installation can be realized, the complex alignment operation is not needed, the installation and the use are convenient, the reinforcing glue layer 25 with good friction anti-skidding effect is arranged between the magnet column 24 and the magnetic affinity metal base 13, the stability of the magnet column 24 installed on the magnetic affinity metal base 13 can be effectively improved, and the lens body 20 is prevented from being separated from the circuit board 10; when the LED lamp works, light emitted by the light source 11 can form specific color light through the light-transmitting colored glue layer 22, and specific use requirements can be met.
The utility model discloses be provided with reliable guide counterpoint structure, the convenient operation of installation and use, need not to carry out complicated counterpoint operation, the fault-tolerant rate of installation action is high, installation back lens body 20 can be fixed in on the circuit board 10 steadily, overall structure is firm, when needs are maintained, uncover lens body 20 hard and can realize the separation of lens body 20 and circuit board 10, maintenance convenient operation, in addition, the light that the light source sent can form specific chromatic light through the colored glue film 22 of printing opacity, can satisfy the market demand.
In this embodiment, the light source 11 is an LED lamp bead, and the LED lamp bead has energy-saving and efficient light-emitting properties.
In this embodiment, the magnetism-attracting metal base 13 is a metal iron base, and may also be a metal cobalt base or a metal nickel base, and the cost of iron is low, and a metal iron base is generally used.
In this embodiment, the light-transmitting colored adhesive layer 22 includes a silica gel layer 221, a plurality of phosphor particles 222 uniformly distributed are disposed in the silica gel layer 221, and the phosphor particles 222 are disposed on the inner wall of the light-receiving cavity 21 through the silica gel, so that the light emitted from the light source 11 can be adjusted to obtain the required color light.
In this embodiment, the reflective layer 23 is a high-gloss aluminum coating, the high-gloss aluminum has a good light reflection effect and is low in cost, and the reflective layer 23 may also be a metal silver plating layer.
In this embodiment, the top of the lens body 20 is equipped with the arc sunken 26, and the arc sunken 26 is that the hypotenuse inwards sunken triangle-shaped forms along the rotatory cutting of right-angle side, can effectively avoid forming central bright spot through the arc sunken 26 to can effectively improve overall structure's even light effect, the center that the arc sunken 26 was passed to the optical axis of the lens body 20.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. A lens structure for direct type backlight module comprises a circuit board (10) and a lens body (20), a light source (11) is arranged on the circuit board (10), a light placing cavity (21) is arranged at the bottom of the lens body (20), the light source (11) is positioned in the light placing cavity (21), it is characterized in that n positioning grooves (12) are also arranged on the circuit board (10), n is an integer larger than 1, a magnetic metal seat (13) is arranged in each positioning groove (12), the inner wall of the light cavity (21) is covered with a light-transmitting colored glue layer (22), the bottom surface of the lens body (20) is provided with a reflecting layer (23), the reflecting layer (23) surrounds the light placing cavity (21), the bottom of reflector layer (23) is fixed with and is located magnet post (24) in magnetism-philic metal seat (13), magnet post (24) coats outward and is stamped reinforcement glue film (25).
2. The lens structure of claim 1, wherein the light source (11) is an LED lamp bead.
3. The lens structure of claim 1, wherein the magnetically-attracting metal holder (13) is a metal iron holder.
4. The lens structure of claim 1, wherein the light transmissive colored glue layer (22) comprises a silica gel layer (221), and a plurality of uniformly distributed phosphor particles (222) are disposed in the silica gel layer (221).
5. A lens structure for a direct type backlight module according to claim 1, wherein the reflective layer (23) is a high gloss aluminum coating.
6. The lens structure of a direct type backlight module according to claim 1, wherein the top of the lens body (20) is provided with an arc-shaped recess (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020146372.6U CN211603790U (en) | 2020-01-22 | 2020-01-22 | Lens structure for direct type backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020146372.6U CN211603790U (en) | 2020-01-22 | 2020-01-22 | Lens structure for direct type backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211603790U true CN211603790U (en) | 2020-09-29 |
Family
ID=72579083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020146372.6U Active CN211603790U (en) | 2020-01-22 | 2020-01-22 | Lens structure for direct type backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211603790U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112631026A (en) * | 2020-12-31 | 2021-04-09 | 联晶智能电子有限公司 | Backlight lens and module |
| WO2022077411A1 (en) * | 2020-10-16 | 2022-04-21 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN112631026B (en) * | 2020-12-31 | 2024-05-10 | 联晶智能电子有限公司 | Backlight lens and module |
-
2020
- 2020-01-22 CN CN202020146372.6U patent/CN211603790U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022077411A1 (en) * | 2020-10-16 | 2022-04-21 | 京东方科技集团股份有限公司 | Backlight module and display device |
| US11829030B2 (en) | 2020-10-16 | 2023-11-28 | Beijing Boe Display Technology Co., Ltd. | Backlight module and display device |
| CN112631026A (en) * | 2020-12-31 | 2021-04-09 | 联晶智能电子有限公司 | Backlight lens and module |
| CN112631026B (en) * | 2020-12-31 | 2024-05-10 | 联晶智能电子有限公司 | Backlight lens and module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231206 Address after: 311800 78 Zhancheng Avenue, Taozhu street, Zhuji City, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Yejia Optoelectronics Technology Co.,Ltd. Address before: 523857 Room 203, building a, No.1 Dongyi street, Xingfa North Road, Wusha community, Chang'an Town, Dongguan City, Guangdong Province Patentee before: Dongguan Jiayu Optical Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |