CN216528940U - LED chip module with wide and narrow visual angles - Google Patents
LED chip module with wide and narrow visual angles Download PDFInfo
- Publication number
- CN216528940U CN216528940U CN202123227060.1U CN202123227060U CN216528940U CN 216528940 U CN216528940 U CN 216528940U CN 202123227060 U CN202123227060 U CN 202123227060U CN 216528940 U CN216528940 U CN 216528940U
- Authority
- CN
- China
- Prior art keywords
- chip
- dam
- module
- substrate
- wide
- 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
Images
Landscapes
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The utility model provides an LED chip module with wide and narrow visual angles, which comprises a substrate and a light-emitting module arranged on the substrate, wherein the light-emitting module comprises a chip module and a dam, the chip module comprises a chip substrate and more than one chip arranged on the chip substrate, the chip module is provided with more than two chips, the chip substrates of the adjacent chip modules are connected through a guide post, the dam comprises an outer dam and an inner dam, the inner dam is arranged in a dam connecting region between the adjacent chip substrates, and a driving mechanism for lifting or descending the chip substrates is arranged between the chip substrates.
Description
Technical Field
The utility model relates to the technical field of LED chips, in particular to an LED chip module with a wide and narrow viewing angle.
Background
Most of the existing liquid crystal display devices in the market are Backlight liquid crystal display devices, which include a liquid crystal panel and a Backlight Module (Backlight Module). The liquid crystal panel has the working principle that liquid crystal molecules are placed in two parallel glass substrates, a plurality of vertical and horizontal fine electric wires are arranged between the two glass substrates, the liquid crystal molecules are controlled to change directions by electrifying or not, and light rays of the backlight module are refracted out to generate pictures.
The liquid crystal panel does not emit light, and the backlight module is required to display images normally by the light source provided by the backlight module, so that the backlight module becomes one of the key components of the liquid crystal display device. The backlight module is divided into a side-in type backlight module and a direct type backlight module according to different incident positions of the light source; because the included angles alpha corresponding to the plurality of emission cups of the light source module in the prior art are the same, when the light source module is applied to the backlight module of the liquid crystal display device, the liquid crystal display device cannot switch the visual angle function of the liquid crystal display device through the backlight module, and the development of the liquid crystal display device is undoubtedly restricted.
Chinese patent application No. 201410371998.6, publication No. 2016.01.13, discloses a light source module, a backlight module and a liquid crystal display device. The light source module comprises a substrate, and a plurality of first LEDs and a plurality of second LEDs which are arranged on the substrate, wherein the luminous visual angles of the first LEDs are different from the luminous visual angles of the second LEDs, and the first LEDs and the second LEDs can respectively realize luminescence to provide different luminous visual angles. The backlight module adopting the light source module can realize the light emitting mode of switching wide visual angle and narrow visual angle, thereby enabling the liquid crystal display device adopting the backlight module to switch visual angle brightness, being beneficial to enhancing the differentiation performance of products and improving the market competitiveness of the products.
However, the light source module of the present invention switches between wide viewing angle and narrow viewing angle by arranging two LEDs with different light emitting viewing angles, so that all light source modules cannot emit light simultaneously on the display device, and thus the problem of uneven light emission of the display device may occur.
Disclosure of Invention
The utility model provides an LED chip module with wide and narrow viewing angles, which can realize the switching of the wide and narrow viewing angles through the same module, thereby ensuring the uniform light emission and also carrying out the switching of the wide and narrow viewing angles.
In order to achieve the purpose, the technical scheme of the utility model is as follows: a wide and narrow visual angle LED chip module comprises a substrate and a light emitting module arranged on the substrate, wherein the light emitting module comprises a chip module and a dam, the chip module comprises a chip substrate and more than one chip arranged on the chip substrate, the chip module is provided with more than two chips, the chip substrates of the adjacent chip modules are connected through a guide post, a dam connecting area is formed at the periphery of each chip module, the dam is arranged in the dam connecting area and connected with the substrate, the dam comprises an outer dam and an inner dam, the inner dam is arranged in the dam connecting area between the adjacent chip substrates, the outer dam surrounds the chip modules and is connected with the inner dam, and the highest height of the dam is higher than or equal to the highest height of the chips; the optical fiber chip packaging structure is characterized in that chip placing areas with the same number as the chip modules are formed in the box dam, the chip modules are arranged in the chip placing areas, an optical lens is arranged at the top end of each chip placing area, a chip adjusting area is formed between each optical lens and the corresponding chip substrate, and a driving mechanism used for lifting or descending the chip substrates is arranged between the corresponding chip substrates.
Above-mentioned structure, when using, if want to switch wide narrow visual angle, lift or descend the chip base plate through control actuating mechanism and can realize switching, it is simple and convenient, if need switch into wide visual angle, lift the chip base plate upwards, because the highest height of box dam will be higher than or equal to the highest height of chip, the luminous angle of chip can be kept out by the box dam, can control the luminous angle of chip from this, when the chip base plate upwards lifts, the luminous angle of chip can consequently grow, thereby realize the switching of wide visual angle, be wide visual angle when the highest height of chip equals with the highest height of box dam, when needs switch into narrow visual angle, drive chip base plate descends, make the luminous angle of chip diminish, thereby realize the switching of narrow visual angle, therefore, the switching of wide narrow visual angle is simple and free.
Further, be equipped with the guide way on the box dam, the guide way sets up with the guide post is corresponding, through guide post 13's effect, when the installation, only needs to block guide way 321 into the guide post on can realize the installation direction of box dam to make things convenient for the installation of box dam more, simple structure and efficient.
Furthermore, the driving mechanism comprises a driving module and a driving motor, the driving motor is arranged on the substrate, and a chip substrate is arranged on a driving rod of the driving motor; the driving module is electrically connected with the driving motor, so that the driving motor is remotely controlled through the driving module, the chip substrate can move up and down, and the switching of the visual angle is simple and free.
Furthermore, the guide post slides in the guide way and sets up from this, sets up through the cooperation of guide way and guide post, can be chip substrate when rising decline, the guide way can give the guide post direction limiting displacement for the chip substrate is difficult to take place phenomenons such as skew.
Further, be equipped with the box dam fixed slot on the base plate, box dam fixed mounting through the box dam fixed slot in the box dam fixed slot, only need go into the box dam when installation and can accomplish the installation in the box dam fixed slot, simple structure.
Drawings
Fig. 1 is a schematic cross-sectional view of a light emitting module according to the present invention.
Fig. 2 is a top view of the chip module of the present invention.
Fig. 3 is a top view of the light emitting module of the present invention mounted on a substrate.
Fig. 4 is a front view of the inner box dam of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 4, an LED chip module with wide and narrow viewing angles includes a substrate 9 and a light emitting module disposed on the substrate 9, the light-emitting module comprises a chip module 2 and a dam 3, the chip module 2 comprises a chip substrate 21 and more than one chip 22 arranged on the chip substrate 21, the chip modules 2 are provided with more than two, the chip substrates 21 of the adjacent chip modules 2 are connected through the guide posts 13, the periphery of each chip module 2 forms a dam connecting area 14, the dam 3 is disposed in the dam joint region 14 and joined to the substrate 9, the dam 3 includes an outer dam 31 and an inner dam 32, the inner dam 32 is disposed in the dam connection region 14 between the adjacent chip substrates 21, the outer dam 31 surrounds and is connected with the chip module 2 and is connected with the inner dam 31, and the highest height of the dam 3 is higher than or equal to that of the chip 22; chip placing areas 33 with the same number as the chip modules 2 are formed in the dam 3, the chip modules 2 are arranged in the chip placing areas 33, the optical lens 4 is arranged at the top end of the chip placing areas 33, a chip adjusting area 41 is formed between the optical lens 4 and the chip substrate 21, and a driving mechanism 5 for lifting or lowering the chip substrate 21 is arranged between the chip substrate 21 and the substrate.
As shown in fig. 1 and 4, be equipped with the guide way 321 on inner box dam 32, guide way 321 sets up with the guide post 13 is corresponding, through the effect of guide post 13, when the installation, only need go into the guide way 321 card and can realize the installation direction of box dam on the guide post to make things convenient for the installation of box dam more, be convenient for be in the same place chip substrate electric connection through set up the circuit on the guide post in addition, and simple structure and efficient.
As shown in fig. 1, the driving mechanism 5 includes a driving module (not shown in the figure) and a driving motor 52, the driving motor 52 is disposed on the substrate 9, and a chip substrate 21 is disposed on a driving rod 521 of the driving motor 52; the driving module is electrically connected with the driving motor 52, and is arranged from this, and the driving motor is remotely controlled through the driving module, so that the chip substrate can move up and down, and the switching visual angle is simple and free.
The guide post slides in the guide way and sets up from this, sets up through the cooperation of guide way and guide post, can be chip substrate when rising decline, the guide way can give the guide post direction limiting displacement for the chip substrate is difficult to take place phenomenons such as skew.
As shown in fig. 1, a box dam fixing groove 91 is formed in the substrate 9, the box dam 3 is fixedly installed in the box dam fixing groove 91, installation can be completed only by inserting the box dam into the box dam fixing groove when installation is conducted, and the structure is simple.
Above-mentioned structure, when using, if want to switch wide narrow visual angle, lift or descend the chip base plate through control actuating mechanism and can realize switching, it is simple and convenient, if need switch into wide visual angle, lift the chip base plate upwards, because the highest height of box dam will be higher than or equal to the highest height of chip, the luminous angle of chip can be kept out by the box dam, can control the luminous angle of chip from this, when the chip base plate upwards lifts, the luminous angle of chip can consequently grow, thereby realize the switching of wide visual angle, be wide visual angle when the highest height of chip equals with the highest height of box dam, when needs switch into narrow visual angle, drive chip base plate descends, make the luminous angle of chip diminish, thereby realize the switching of narrow visual angle, therefore, the switching of wide narrow visual angle is simple and free.
Claims (5)
1. The utility model provides a LED chip module of wide and narrow visual angle, includes the base plate and sets up the luminous module on the base plate, its characterized in that: the light-emitting module comprises chip modules and a dam, wherein each chip module comprises a chip substrate and more than one chip arranged on the chip substrate, the number of the chip modules is more than two, the chip substrates of adjacent chip modules are connected through a guide post, a dam connecting area is formed at the periphery of each chip module, the dam is arranged in the dam connecting area and connected with the substrate, the dam comprises an outer dam and an inner dam, the inner dam is arranged in the dam connecting area between the adjacent chip substrates, the outer dam surrounds and is connected with the chip modules and connected with the inner dam, and the highest height of the dam is higher than or equal to the highest height of the chips; the optical fiber chip packaging structure is characterized in that chip placing areas with the same number as the chip modules are formed in the box dam, the chip modules are arranged in the chip placing areas, an optical lens is arranged at the top end of each chip placing area, a chip adjusting area is formed between each optical lens and the corresponding chip substrate, and a driving mechanism used for lifting or descending the chip substrates is arranged between the corresponding chip substrates.
2. The wide and narrow viewing angle LED chip module according to claim 1, wherein: and the inner box dam is provided with a guide groove, and the guide groove and the guide column are arranged correspondingly.
3. The wide and narrow viewing angle LED chip module according to claim 1, wherein: the driving mechanism comprises a driving module and a driving motor, the driving motor is arranged on the substrate, and a chip substrate is arranged on a driving rod of the driving motor; the driving module is electrically connected with the driving motor.
4. The wide and narrow viewing angle LED chip module according to claim 2, wherein: the guide post is arranged in the guide groove in a sliding mode.
5. The wide and narrow viewing angle LED chip module according to claim 1, wherein: be equipped with the box dam fixed slot on the base plate, box dam fixed mounting is in the box dam fixed slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123227060.1U CN216528940U (en) | 2021-12-21 | 2021-12-21 | LED chip module with wide and narrow visual angles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123227060.1U CN216528940U (en) | 2021-12-21 | 2021-12-21 | LED chip module with wide and narrow visual angles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216528940U true CN216528940U (en) | 2022-05-13 |
Family
ID=81503000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123227060.1U Active CN216528940U (en) | 2021-12-21 | 2021-12-21 | LED chip module with wide and narrow visual angles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216528940U (en) |
-
2021
- 2021-12-21 CN CN202123227060.1U patent/CN216528940U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102483535B (en) | Backlight unit and liquid crystal display including the same | |
| KR100890669B1 (en) | Liquid crystal display device | |
| CN102261605B (en) | Backlight unit | |
| CN1797119A (en) | Lamp supporter, backlight assembly having the same, and liquid crystal display device having the same | |
| CN102147079A (en) | Backlight assembly having a plurality of light guide plates | |
| CN103075678A (en) | Light source module and lighting apparatus having the same | |
| CN102889507A (en) | Backlight unit and display apparatus using the same | |
| CN102147080A (en) | Backlight unit and display device using the same | |
| KR101706578B1 (en) | backlight unit and liquid crystal display module including the same | |
| EP2538250A2 (en) | Backlight unit and display apparatus using the same | |
| CN201741368U (en) | Display device | |
| CN102661535A (en) | Direct type backlight module | |
| CN203052434U (en) | Back light source module and display device | |
| CN102804431A (en) | Light emitting diode package, and backlight unit and display device using the same | |
| CN103487968A (en) | Display panel and displayer | |
| US8659537B2 (en) | Backlight unit and display device | |
| CN101556401A (en) | Liquid crystal display device | |
| CN216528940U (en) | LED chip module with wide and narrow visual angles | |
| CN112467018B (en) | Mini-LED/micro-LED surface light source and manufacturing method thereof | |
| EP2546685B1 (en) | Backlight unit and display apparatus using the same | |
| KR20130006823A (en) | Light emitting device package and lighting system including the same | |
| CN101725862A (en) | Backlight assembly, liquid crystal display having the backlight assembly and method of manufacturing the liquid crystal display | |
| US20130026530A1 (en) | Light emitting device module | |
| CN108885371A (en) | A kind of backlight module and display device | |
| CN105867017A (en) | Curved backlight unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |