CN213660448U - Polarization type LED light-emitting device - Google Patents
Polarization type LED light-emitting device Download PDFInfo
- Publication number
- CN213660448U CN213660448U CN202021767440.7U CN202021767440U CN213660448U CN 213660448 U CN213660448 U CN 213660448U CN 202021767440 U CN202021767440 U CN 202021767440U CN 213660448 U CN213660448 U CN 213660448U
- Authority
- CN
- China
- Prior art keywords
- light
- transmitting
- layer
- polarization type
- polarized
- 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
Abstract
The invention relates to an LED display device, in particular to a polarization type LED light-emitting device, which comprises a single light-emitting wafer and a polarization type light-transmitting layer, wherein the light-emitting wafer is positioned at the bottom layer of the LED light-emitting device and comprises R, G, B three-color display, the polarization type light-transmitting layer is positioned right above the polarization type light-transmitting layer, a protective film is arranged on the outer layer of the polarization type light-transmitting layer, light-transmitting glue is filled between the light-emitting wafer and the polarization light-transmitting layer, and a light-shielding part is arranged at the periphery of the light-emitting wafer; the existing 3D polarization display mode is added, and the later maintenance is facilitated.
Description
Technical Field
The present invention relates to an LED display device, and more particularly, to a polarized LED lighting device.
Background
The existing LED display screen mainly comprises a plane display and a 3D (three-dimensional) display, the early LED display screen mainly adopts single-color or multi-color LED light-emitting lamp beads, content information is displayed through a control circuit on the back, and the color is single; with the improvement of the technology and the improvement of the production process, the LED color display technology is applied, and the application of outdoor curtain walls, advertisement display and the like is more; people gradually expand the application of LED display technology to media application, and the stereoscopic LED display screen which is contacted in a close range and is most obvious in consumer experience is realized by adopting the polarized LED display technology, and a polarized film manufactured by the traditional polarized LED stereoscopic display screen is generally realized by pasting the polarized films with inconsistent left and right optical rotation in a splicing mode or patterning and combining the circularly polarized light sheet and a phase compensation film.
Patent No. 201410010828.5, publication No. CN103700326B, discloses a "polarization type LED display panel based on polarization mode and a method for forming a polarization film", which mainly adopts a method of reducing the problem of the display viewing angle caused by the height of the polarization film by combining a convex-concave polarization film having a polarization effect with a structure and an LED light emitting device.
Patent number 201910496353.1, publication number CN110098179A, the patent discloses a "paster LED lamp pearl and its batch manufacturing method that send polarized light", this invention discloses the structure and batch manufacturing method of paster LED lamp pearl, paste the polarizing film in each LED in practical application one by one, the problem still found has, factors such as range, luminance that polarize and show can directly influence the use experience, especially in the use of cinema, the impression is experienced obviously, additional polarizing film structure has the weakening effect to LED's display range, luminance, perhaps will increase the power of lamp pearl in order to improve luminance, the heating of display screen will increase like this, and then influence the heat dissipation that its used, the trouble appears easily.
Therefore, in combination with the prior art, the principle that the polarizing film has a dichroic transparent film is utilized, the polarizing film allows light parallel to the light transmission axis to pass through, and light vertical to the direction is absorbed, the light guide layer on the LED light-emitting wafer is directly made into a polarization type, then when a screen is manufactured, the light guide layer is directly processed by adopting a surface mount technology, the production efficiency is greatly improved, and the light-emitting thickness of the LED polarization type screen is reduced,
disclosure of Invention
The present invention is directed to solving the above problems, and provides a polarized LED light emitting device and a method for manufacturing the same.
The technical scheme of the invention is as follows:
a polarization type LED light-emitting device comprises a single light-emitting wafer and a polarization type light-transmitting layer, wherein the light-emitting wafer is located on the bottom layer of the LED light-emitting device and comprises R, G, B three-color display, the polarization type light-transmitting layer is located right above the polarization type light-transmitting layer, a protective film is arranged on the outer layer of the polarization type light-transmitting layer, light-transmitting glue is filled between the light-emitting wafer and the polarization light-transmitting layer, and a light shielding part is arranged on the.
The polarization type light transmission layer is made of two different light transmission glue materials, a wedge-shaped structure with an included angle alpha is formed between the two light transmission glue materials, one A light transmission glue is arranged on the lower layer, and the other B light transmission glue is arranged on the upper layer.
The polarization type light-transmitting layer is made of two different light-transmitting glue materials, a wedge-shaped structure with an included angle beta is formed between the polarization type light-transmitting layer and the wedge-shaped structure, one type of B light-transmitting glue is arranged on the lower layer, and the other type of A light-transmitting glue is arranged on the upper layer.
The included angle alpha or beta value enables the two light-emitting chips to form a 3D polarization effect.
The polarized light-transmitting layer adopts a multilayer structure film structure, wherein two layers are glass slides, and oblong nano particles are embedded in the middles of the two sides of the glass slides, so that the glass slides have a linear grating effect and can selectively transmit light generated by the light-emitting wafer.
A method for manufacturing a polarized LED light-emitting device comprises the following steps:
step 1, fixing an LED chip on a circuit board or a bracket by using an adhesive, and connecting the anode and the cathode of the chip to a substrate by using a lead;
step 2, preheating the semi-finished product formed in the step 1;
step 4, using a transparent adhesive A for a glue dispenser to perform glue dispensing treatment on the step 3, wherein the thickness of the transparent adhesive A is equal to the thickness of the LED power generation wafer;
and 8, replacing the sequence of the transparent adhesive A and the transparent adhesive B, and repeating the steps 1 to 7 to form the braid B.
And 9, welding the braid A and the braid B on a support according to the requirement of the display device.
And (4) finishing the LED lamp beads which are not braided in the step (6) to be used as scattered sheets, and using the scattered sheets as spare parts.
The invention has the advantages of
The polarization type LED light-emitting device reduces post-production difficulty, reduces thickness, reduces power consumption, and improves brightness and effective visual range; the existing 3D polarization display mode is added, and the later maintenance is facilitated.
Drawings
Fig. 1 is a schematic diagram of the polarized LED lighting device.
FIG. 2 is a schematic view of a cross-sectional structure.
Fig. 3 shows the polarized LED lighting device.
Fig. 4 shows the polarized LED lighting device.
Fig. 5 is a diagram showing the effect of mounting the polarized LED lighting device.
Fig. 6 is a flowchart of the manufacturing process of the polarized LED lighting device.
1 is the base plate, 2 is polarization LED lamp pearl, 3 is the PVC outer support, 4 is the collet, 5 is the A glue that passes through, 6 is the B glue that passes through, 7 is the glass polaroid, 8 is the positive pole, 9 is the negative pole, 10 is luminous wafer.
Detailed Description
The first embodiment is as follows: referring to fig. 1 to 6, the technical solution of the present invention is:
a polarization type LED light-emitting device comprises a single light-emitting wafer and a polarization type light-transmitting layer, wherein the light-emitting wafer 10 is located at the bottom layer of the LED light-emitting device, the polarization type light-transmitting layer is located right above the polarization type light-transmitting layer, a protective film is arranged on the outer layer of the polarization type light-transmitting layer, light-transmitting glue is filled between the light-emitting wafer 10 and the polarization light-transmitting layer, and a light shielding part PVC outer support 3 is arranged on the periphery.
The polarizing light-transmitting layer is a glass polarizing plate 7.
The glass polaroid 7 is of a multilayer structure film structure, and oblong nanoparticles are embedded in one layer and clamped between two adjacent layers.
The glass polaroid 7 is made of two different crystal materials, is bonded together through a wedge-shaped structure and an adhesive, wherein one crystal material is arranged on the lower layer, and the other crystal material is arranged on the upper layer.
A polarization type LED light-emitting device comprises a single light-emitting wafer and a polarization type light-transmitting layer, wherein the light-emitting wafer is located on the bottom layer of the LED light-emitting device and comprises R, G, B three-color display, the polarization type light-transmitting layer is located right above the polarization type light-transmitting layer, a protective film is arranged on the outer layer of the polarization type light-transmitting layer, light-transmitting glue is filled between the light-emitting wafer and the polarization light-transmitting layer, and a light shielding part is arranged on the.
The polarization type light-transmitting layer is made of two different light-transmitting adhesive materials, a wedge-shaped structure with an included angle alpha is formed between the two light-transmitting adhesive materials, wherein one A light-transmitting adhesive is arranged on the lower layer, and the other B light-transmitting adhesive is arranged on the upper layer;
the polarization type light-transmitting layer is made of two different light-transmitting glue materials, a wedge-shaped structure with an included angle beta is formed between the polarization type light-transmitting layer and the wedge-shaped structure, one type of B light-transmitting glue is arranged on the lower layer, and the other type of A light-transmitting glue is arranged on the upper layer.
The included angle value of alpha or beta enables the polarized light transmission layer to generate light with two different angles through the light transmission glue to form a 3D polarization effect.
A method for manufacturing a polarized LED light-emitting device comprises the following steps:
step 1, fixing an LED chip on a circuit board or a bracket by using an adhesive, and connecting the anode and the cathode of the chip to a substrate by using a lead;
step 2, preheating the semi-finished product formed in the step 1;
step 4, using a transparent adhesive A for a glue dispenser to perform glue dispensing treatment on the step 3, wherein the thickness of the transparent adhesive A is equal to the thickness of the LED power generation wafer;
and 8, replacing the sequence of the transparent adhesive A and the transparent adhesive B, and repeating the steps 1 to 7 to form the braid B.
And 9, welding the braid A and the braid B on a support according to the requirement of the display device.
Example two: the drawings are omitted, the same as the first embodiment is basically achieved, and the difference is that the polarized light-transmitting layer adopts a multi-layer structure film structure, wherein two layers are glass slides, and oblong nanoparticles are embedded between the two layers, so that the glass slides have a linear grating effect and can selectively transmit light generated by the light-emitting chip.
Step 1, fixing an LED chip on a circuit board or a bracket by using an adhesive, and connecting the anode and the cathode of the chip to a substrate by using a lead;
step 2, preheating the semi-finished product formed in the step 1;
step 4, baking the semi-finished product in the step 3 to solidify the light-transmitting glue filled in each LED lamp bead support;
and 7, welding the lamp strips polarized in different directions on the support according to the requirement of the display device.
Claims (5)
1. A polarization type LED light-emitting device comprises a single light-emitting wafer and a polarization type light-transmitting layer, and is characterized in that the light-emitting wafer is located on the bottom layer of the LED light-emitting device and comprises R, G, B three-color display, the polarization type light-transmitting layer is located right above the polarization type light-transmitting layer, a protective film is arranged on the outer layer of the polarization type light-transmitting layer, light-transmitting glue is filled between the light-emitting wafer and the polarization light-transmitting layer, and a light shielding part is arranged on the.
2. The polarized LED lighting device of claim 1, wherein the polarized light-transmitting layer is made of two different light-transmitting adhesives, and a wedge-shaped structure with an included angle α is formed between the two light-transmitting adhesives, wherein one A light-transmitting adhesive is on the lower layer, and the other B light-transmitting adhesive is on the upper layer.
3. The polarized LED lighting device of claim 1, wherein the polarized light-transmitting layer is made of two different light-transmitting adhesives, and a wedge-shaped structure with an included angle β is formed between the two light-transmitting adhesives, wherein one light-transmitting adhesive B is on the lower layer, and the other light-transmitting adhesive A is on the upper layer.
4. A polarized LED lighting device according to claim 2 or 3, wherein the included angle α or β is such that the two light emitting chips form a 3D polarized display.
5. The polarized LED lighting device of claim 1, wherein the polarized light transparent layer is a multi-layer thin film structure, two layers of which are glass slides, and oblong nanoparticles are embedded between the two layers, so that the glass slides have a linear grating effect and can selectively transmit light generated by the light emitting chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021767440.7U CN213660448U (en) | 2020-08-21 | 2020-08-21 | Polarization type LED light-emitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021767440.7U CN213660448U (en) | 2020-08-21 | 2020-08-21 | Polarization type LED light-emitting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213660448U true CN213660448U (en) | 2021-07-09 |
Family
ID=76693260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021767440.7U Active CN213660448U (en) | 2020-08-21 | 2020-08-21 | Polarization type LED light-emitting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213660448U (en) |
-
2020
- 2020-08-21 CN CN202021767440.7U patent/CN213660448U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108957855A (en) | Display device | |
| CN111369900A (en) | Spliced screen | |
| TW202209279A (en) | Display apparatus | |
| CN108919406B (en) | Low-reflectivity 3D polarizing film, low-reflectivity polarized LED and preparation method | |
| CN101350160B (en) | LED display screen and encapsulation method thereof | |
| JP2007273998A (en) | White led for backlight with phosphor plates | |
| CN102708760A (en) | Device for eliminating joints of mosaic display screen | |
| CN101071232A (en) | Planar lightsource device and its mkaing method, and liquid crystal display device with same | |
| CN108693672A (en) | A kind of flexible liquid crystal module of double-sided display | |
| WO2017028417A1 (en) | Process method using thermoplastic resin photoconverter to bond-package led by rolling | |
| TWM455809U (en) | A lighting device with three dimensional images | |
| WO2019148777A1 (en) | Led display module and led display screen | |
| CN100378509C (en) | Stereoscopic picture display device and method of producing the same | |
| CN213660448U (en) | Polarization type LED light-emitting device | |
| WO2020057298A1 (en) | Led display screen | |
| CN114531791A (en) | Manufacturing method of LED die bonding transparent display screen, storage medium and electronic equipment | |
| CN110632790A (en) | Backlight module, preparation method thereof and display device thereof | |
| CN109920344A (en) | A kind of seamless spliced Micro LED display | |
| CN111708179B (en) | 3D display module | |
| CN114078995A (en) | Polarization type LED light-emitting device and manufacturing method thereof | |
| KR20170023375A (en) | Qusntum Dot Light Conversion Sheet | |
| CN101876783A (en) | Method for manufacturing large glass-free digital light processor (DLP) digital screen | |
| JP3105679U (en) | Thin film projection screen film with dimming function using liquid crystal | |
| WO2023103012A1 (en) | Tiled screen and manufacturing method therefor, and display apparatus | |
| CN113960837A (en) | Double-sided display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |