CN211600284U - Thin direct type backlight lens - Google Patents
Thin direct type backlight lens Download PDFInfo
- Publication number
- CN211600284U CN211600284U CN202020145751.3U CN202020145751U CN211600284U CN 211600284 U CN211600284 U CN 211600284U CN 202020145751 U CN202020145751 U CN 202020145751U CN 211600284 U CN211600284 U CN 211600284U
- Authority
- CN
- China
- Prior art keywords
- light
- lens
- lens body
- cavity
- putting
- 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.)
- Active
Links
- 239000011324 bead Substances 0.000 claims description 6
- 239000013589 supplement Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 238000003306 harvesting Methods 0.000 abstract description 4
- 235000019994 cava Nutrition 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 4
- 230000001502 supplementing effect Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 239000003086 colorant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model provides a slim straight following formula backlight lens, including the lens body, the bottom of lens body is equipped with putting the light cavity of cuboid shape, puts and is equipped with the light source in the light cavity, and the lateral wall of light source is hugged closely with the inner wall of putting the light cavity and is linked to each other, puts the top in the light cavity and is equipped with a plurality of dispersed microlens units that are the array and arrange, and the top of lens body is equipped with the arc and caves in, and the bottom all around of lens body has the light harvesting concave groove, and the bottom surface of lens body is equipped with the diffuse reflection layer, and the diffuse reflection layer centers on outside putting the. The utility model discloses can form good even light and disperse the effect, put the height of light cavity and obtain effectual reduction to can effectively reduce the thickness of the lenticle, can satisfy the design demand of slim electronic product, in addition, the light harvesting concave groove that the lenticle set up all around can effectively collect light and lead it to the positive outgoing that is close to the lenticle, the high-usage of light energy.
Description
Technical Field
The utility model relates to an optical lens specifically discloses a slim straight following formula backlight lens.
Background
The backlight module mainly comprises a circuit board, a backlight source and a backlight lens, wherein the backlight lens is a lens structure used for the direct type backlight module, LED lamp beads are arranged on the light incident surface of the backlight lens, light emitted by the LED lamp beads is diffused to the periphery through the backlight lens to realize uniform light distribution, and the backlight lens is also called as a backlight lens.
The display manufactured by using the direct type backlight module has the effect of more bright picture colors, but because the circuit board, the backlight source, the backlight lens and other optical dimming lens structures are combined in a laminated mode, the thickness of the finally obtained direct type backlight module is overlarge, and the design requirement of the current market on thin electronic products is not met.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a thin direct type backlight lens, which has good light-homogenizing and diffusing performance and small thickness, and can meet the design requirements of thin electronic products.
For solving the prior art problem, the utility model discloses a slim straight following formula backlight lens, including the lens body, the bottom of lens body is equipped with putting the light cavity of cuboid shape, is equipped with the light source in putting the light cavity, and the lateral wall of light source is hugged closely with the inner wall of putting the light cavity and is linked to each other, and the top of putting in the light cavity is equipped with a plurality of microlens units that diverge that are the array and arrange, and the top of lens body is equipped with the arc and caves in, and the bottom all around of lens body has the light collecting concave groove, and the bottom surface of lens body is equipped with the diffuse reflection layer, and the diffuse reflection layer is around.
Further, the diverging microlens unit is a spherical concave lens unit or an aspherical concave lens unit.
Further, a light supplementing projection is arranged at the center of the arc-shaped recess.
Further, the diffuse reflection layer comprises a plurality of conical grooves.
Furthermore, at least two positioning feet are fixed on the bottom surface of the diffuse reflection layer.
Further, the light source is an LED lamp bead.
The utility model has the advantages that: the utility model discloses a slim straight following formula backlight lens is equipped with special light at the top of putting the light cavity and disperses the structure, can form good even light and disperse the effect, the height of putting the light cavity obtains effectual reduction to can effectively reduce the thickness of the lens body, can satisfy the design demand of slim electronic product, in addition, the light harvesting concave groove that the lens body set up all around can effectively collect light and lead it to the positive outgoing that is close to the lens body, the high-usage of light energy.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The reference signs are: the lens comprises a lens body 10, a light placing cavity 11, a divergent micro-lens unit 111, an arc-shaped recess 12, a light supplementing protrusion 121, a light collecting concave groove 13, a diffuse reflection layer 14, a conical groove 141, a positioning pin 15 and a light source 20.
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.
The embodiment of the utility model discloses a thin straight following formula backlight lens, including lens body 10 protruding upwards, the upper surface of lens body 10 is the curved surface protruding upwards, the lower surface is the plane, lens body 10's bottom is equipped with the light cavity 11 of cuboid shape, be equipped with the light source 20 that the shape size matches in the light cavity 11, the four lateral walls of light source 20 hugs closely with the four inner walls of light cavity 11 and links to each other, the top in the light cavity 11 is equipped with a plurality of divergent microlens units 111 that are arranged in array, a plurality of divergent microlens units 111 that are arranged in array can play similar divergent effect to the light that light source 20 sent everywhere, lens body 10's top is equipped with arc sunken 12, arc sunken 12 is that hypotenuse inwards sunken triangle-shaped edge rotary cutting forms, can effectively avoid forming central bright spot through arc sunken 12, thereby can effectively improve overall structure's even light effect, the optical axis of the lens body 10 penetrates through the center of the arc-shaped recess 12, the light collecting concave groove 13 is formed in the surrounding bottom of the lens body 10 in a surrounding mode, the light collecting concave groove 13 is formed in the surrounding bottom of the outer surface of the lens body 10 in a surrounding mode, the section of the light collecting concave groove 13 is an inwards-recessed curved surface, the diffuse reflection layer 14 is arranged on the bottom face of the lens body 10, and the diffuse reflection layer 14 surrounds the light placing cavity 11.
When the light source device works, the light source 20 is installed in the light placing cavity 11, light emitted by the light source 20 is diffused through the large number of diffusing micro-lens units 111, so that the light can reach all places in the lens body 10 and can be emitted through the light emitting surface above the lens body 10, and the light can obtain an effective converging and collecting effect when passing through the light emitting surface above the lens body, so that the finally emitted light can obtain the effect of beam-adjusting collimation, when part of the light reaches the light collecting concave groove 13, the light can be guided to one side above the lens body 10 to be emitted through a refraction or reflection mode, the utilization rate of light energy can be effectively improved, the diffuse reflection layer 14 can also realize the effect of uniform light generation on the light reaching the diffuse reflection layer, and the uniformity of finally formed light spot brightness can be improved. Through setting up the light cavity 11 of putting of cuboid shape, can effectively compress and put the required height of light cavity to the thickness that can effectively compress the lenticle 10 obtains the slim design, sets up the microlens unit 111 that diverges on putting light cavity 11, can effectively ensure the even light of lenticle 10 and diverge the performance.
The utility model discloses top putting light cavity 11 is equipped with special light and disperses the structure, can form good even light and disperse the effect, highly obtaining effectual reduction putting light cavity 11 to can effectively reduce the thickness of lens body 10, can satisfy the design demand of slim electronic product, in addition, lens body 10 light harvesting concave groove 13 that sets up all around can effectively collect light and lead it to the positive outgoing that is close to lens body 10, the high-usage of light energy.
In the present embodiment, the divergent microlens unit 111 is a spherical concave lens unit or an aspheric concave lens unit, and can form a good and uniform divergent effect on the light.
In this embodiment, the center of the arc-shaped recess 12 is provided with the light supplementing protrusion 121, and the light supplementing protrusion 121 can effectively supplement the brightness of the final formed light spot center of the lens body 10, so as to avoid the light spot from forming a center dark area.
In the present embodiment, the diffuse reflection layer 14 includes a plurality of tapered grooves 141 recessed toward the interior of the lens body 10, and a large number of tapered grooves 141 can emit light reaching the grooves in different directions, so as to improve the uniformity of dimming of the lens body 10.
In this embodiment, at least two positioning pins 15 are fixed to the bottom surface of the diffuse reflection layer 14 by glue, and the lens body 10 can be conveniently inserted and mounted on the circuit board through the positioning pins 15.
In this embodiment, the light source 20 is an LED lamp bead, and the LED lamp bead has energy-saving and efficient light-emitting properties.
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. The utility model provides a thin straight following formula backlight lens, includes lens body (10), its characterized in that, the bottom of lens body (10) is equipped with the light cavity (11) of putting of cuboid shape, be equipped with light source (20) in putting light cavity (11), the lateral wall of light source (20) with put the inner wall of light cavity (11) and hug closely and link to each other, the top of putting in light cavity (11) is equipped with a plurality of divergent microlens units (111) that are the array and arrange, the top of lens body (10) is equipped with arc sunken (12), the bottom all around of lens body (10) has light collection concave groove (13), the bottom surface of lens body (10) is equipped with diffuse reflection layer (14), diffuse reflection layer (14) are around put outside light cavity (11).
2. A thin direct type backlight lens according to claim 1, wherein the diverging micro lens unit (111) is a spherical concave lens unit or an aspheric concave lens unit.
3. The lens of claim 1, wherein a light supplement protrusion (121) is disposed at the center of the arc-shaped recess (12).
4. A thin direct type backlight lens according to claim 1, wherein the diffuse reflection layer (14) comprises a plurality of tapered grooves (141).
5. A thin direct type backlight lens according to claim 1, wherein at least two positioning legs (15) are fixed on the bottom surface of the diffuse reflection layer (14).
6. The lens of claim 1, wherein the light source (20) is an LED bead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020145751.3U CN211600284U (en) | 2020-01-22 | 2020-01-22 | Thin direct type backlight lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020145751.3U CN211600284U (en) | 2020-01-22 | 2020-01-22 | Thin direct type backlight lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211600284U true CN211600284U (en) | 2020-09-29 |
Family
ID=72578795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020145751.3U Active CN211600284U (en) | 2020-01-22 | 2020-01-22 | Thin direct type backlight lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211600284U (en) |
-
2020
- 2020-01-22 CN CN202020145751.3U patent/CN211600284U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102102850A (en) | Lens and light-emitting diode module using same | |
| CN102705775A (en) | Led light source module and lens thereof | |
| CN101988640B (en) | Lighting device and backlight module applying same | |
| TW201411033A (en) | Direct-type backlight module | |
| KR20140129749A (en) | Light source unit and display device having the same | |
| CN209728370U (en) | The glue iron one mount structure and backlight being not readily separated | |
| CN116266004A (en) | Spliced light guide plate combination, backlight module and display device | |
| CN2391269Y (en) | Back light source for liquid crystal display (LCD) lighting | |
| CN211600284U (en) | Thin direct type backlight lens | |
| CN202040604U (en) | Lighting lamp | |
| TWI392125B (en) | Light emitting device | |
| CN106989289B (en) | Direct type LED panel lamp | |
| CN202852690U (en) | Light-emitting diode (LED) reflecting cover | |
| CN210572833U (en) | Backlight lens for display module | |
| CN201875627U (en) | Apple-shaped diverging lens for LED (light-emitting diode) luminaire | |
| CN207350248U (en) | Optical lens for lamps and lanterns | |
| CN208058564U (en) | A kind of secondary optical lens and its Projecting Lamp module of Projecting Lamp | |
| CN201663174U (en) | Led | |
| CN202757051U (en) | Side luminescence light emitting diode (LED) optical lens | |
| CN105953175B (en) | Projecting lamp lens, have light-emitting module and projecting lamp of this projecting lamp lens | |
| CN214094188U (en) | Dark space prevention panel lamp | |
| CN219453689U (en) | Novel LED light source luminous surface structure | |
| CN221648269U (en) | Light-transmitting cover plate | |
| CN219832690U (en) | LED lamp bead, backlight module and electronic equipment | |
| CN213453228U (en) | Optical element and lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| 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. |