CN203552623U - LED display screen with reflection-type polarization films - Google Patents
LED display screen with reflection-type polarization films Download PDFInfo
- Publication number
- CN203552623U CN203552623U CN201320699811.6U CN201320699811U CN203552623U CN 203552623 U CN203552623 U CN 203552623U CN 201320699811 U CN201320699811 U CN 201320699811U CN 203552623 U CN203552623 U CN 203552623U
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- Prior art keywords
- polarizing coating
- led display
- polarizing
- polarization films
- luminescent device
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- 230000010287 polarization Effects 0.000 title abstract description 18
- 239000011248 coating agent Substances 0.000 claims description 47
- 238000000576 coating method Methods 0.000 claims description 47
- 230000000295 complement effect Effects 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 abstract description 6
- 238000002834 transmittance Methods 0.000 abstract 1
- 238000004080 punching Methods 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000002674 ointment Substances 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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Abstract
The utility model discloses an LED display screen with reflection-type polarization films. The LED display screen with the reflection-type polarization films comprises a PCB, an LED luminescent device and the polarization films, wherein the LED luminescent device is arranged on the PCB, the polarization films comprise left polarization films and right polarization films, one fourth wave plates are arranged on the surface of the LED luminescent device, the polarization films are the reflection-type polarization films, and the left polarization films and the right polarization films are arranged on the one fourth wave plates. The LED display screen with the reflection-type polarization films solves the problem that light transmittance is low due to the fact that absorption-type polarization films are adopted in the prior art, the polarization films for the left eye and the polarization films for the right eye only occupy one layer space, the using amount of the reflection-type polarization films is reduced, and full symmetry of the optical performance of the left eye and the optical performance of the right eye can be achieved.
Description
Technical field
The utility model relates to a kind of LED display, belongs to field of electronic display, is specifically related to a kind of LED display of reflective polarizing mould.
Background technology
The polarizing coating that is generally used for LED large screen display belongs to absorption-type, light transmission rate is lower, in order to improve the transmitance of light, although also there is the LED giant-screen that uses reflective polarizing film in prior art, but what adopt is the set-up mode of right and left eyes reflective polarizing film stack, has not only wasted polarizing coating, and the symmetry variation of right and left eyes optical property, and due to double-layer structure stack, can make the surface temperature of light-emitting area raise.
Utility model content
The purpose of this utility model is to provide a kind of LED display of reflective polarizing mould, overcome employing absorptive-type polarizer films and produced the problem that light transmission rate is low, right and left eyes reflective polarizing film only takies a sheaf space, right and left eyes reflective polarizing film in prior art superpose symmetry variation and the heat dissipation problem of the right and left eyes optical property that causes have been avoided, improve luminescence efficiency, reduced cost.
To achieve these goals, the utility model is by the following technical solutions:
A kind of LED display of reflective polarizing mould, comprise pcb board, LED luminescent device and polarizing coating, described LED luminescent device is located on pcb board, described polarizing coating comprises left avertence vibrating diaphragm and right avertence vibrating diaphragm, wherein, described LED luminescent device surface is provided with quarter wave plate, and described polarizing coating is reflective polarizing mould, and left and right polarizing coating is located on quarter wave plate.
As preferably, described left and right polarizing coating can be interlacing, every row, arrange or odd even battle array is arranged.
As preferably, between described left and right polarizing coating, be provided with light shield.
As preferably, described quarter wave plate can be that monolithic structure is located at the LED luminescent device surface on pcb board.
As preferably, described left and right polarizing coating can be rectangle, trapezoidal, wedge-like, wavy, semicircle shape structure.
As preferably, described left and right polarizing coating is complementary symmetrical structure.Left and right polarizing coating is one deck structure on the whole, has avoided two-layer left and right polarizing coating superpose symmetry variation and the heat dissipation problem of the right and left eyes optical property causing.
As preferably, described polarizing coating is that left and right polarizing coating is without overlapping portion without one deck structure of stack on the whole.Described right and left eyes reflective polarizing film only occupies a sheaf space, Anywhere all without stack.
As preferably, described left/right eye polarizing coating adopts plank frame, and on polarizing coating, the position of corresponding right eye/left eye luminescent device is hole, right/left eye polarizing coating be less than or etc. hole size.Right and left eyes reflective polarizing film adopts cutting or the punching structure of complementary structure, or left/right polarizing coating adopts plank frame, and on polarizing coating right eye/left eye luminescent device position punching or cut out a series of hole, according to the basic configuration of hole slightly and the size that is slightly less than hole by the punching of right/left polarizing coating or cut out the complementary small pieces of requirement, for filling hole.
As preferably, described quarter wave plate can be for applying, stickup or buckle mode are located on LED luminescent device.
As preferably, described left and right polarizing coating can be for applying, stickup or buckle mode are located on quarter wave plate.
The beneficial effects of the utility model are:
The utility model adopts reflective polarizing film, and right and left eyes reflective polarizing film only occupies a sheaf space, Anywhere all without stack, this is not only to have saved polarizing coating, and compared with using two-layer reflective polarizer films, not only more be conducive to the heat radiation of light-emitting area, and right and left eyes optical property full symmetric.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on will be apparent to those skilled in the art to investigating below, or can from practice of the present utility model, be instructed.Target of the present utility model and other advantages can be by below instructions or accompanying drawing in specifically noted structure realize and obtain.
Accompanying drawing explanation
Fig. 1 is the mutual alignment schematic diagram that existing LED giant-screen uses absorptive-type polarizer films and light emitting pixel;
Fig. 2 is the structural representation that the utility model is used reflective polarizing film;
Fig. 3 is the planar structure signal that left and right polarizing coating interlacing is arranged;
Fig. 4 is the planar structure signal that left and right polarizing coating is arranged every row;
Fig. 5 is the planar structure that left and right polarizing coating symmetric form odd even battle array is arranged;
Fig. 6 is the planar structure that the asymmetric odd even battle array of left and right polarizing coating is arranged;
Fig. 7 equal cutting of left and right reflective polarizing film or punching become small pieces to settle respectively the situation of stickup.
Embodiment
Below by embodiment, also by reference to the accompanying drawings the utility model is described in further detail:
Shown in Fig. 1 is the schematic diagram of existing employing absorptive-type polarizer films, LED luminescent device is located on pcb board, absorptive-type polarizer films 2 is located at LED luminescent device surface, between left avertence vibrating diaphragm L and right avertence vibrating diaphragm R, is mounted with light shield 3, and this structure can produce the problem that light transmission rate is low.
Shown in Fig. 2 is that the utility model adopts reflective polarizing membrane structure schematic diagram, pcb board is drive circuit board, LED is luminescent device, L represents a left side, R represents the right side, adopts whole piece quarter wave plate 1 apply or be attached to luminescent device surface, and reflective polarizing film 2 comprises left avertence vibrating diaphragm L(left eye polarizing coating) and right avertence vibrating diaphragm R(right eye polarizing coating), between left and right polarization L or R, be provided with light shield 3(or plastic face mask), also can exempt need not for light shield in some cases.
As shown in Figure 3 and Figure 4, in the system of arranging in interlacing with every row, reflective polarizing film is applied ointment or plaster left avertence vibrating diaphragm and right avertence vibrating diaphragm on quarter wave plate respectively according to interlacing or every the situation of row, corner can chamfering.In the utility model, no matter adopt any arrangement mode, one deck quarter wave plate of all need first applying ointment or plaster on luminescent device.
Shown in Fig. 5 is symmetry odd even battle array polarizing coating structure, and its middle left and right polarizing coating cutting or punching become complementary symmetric shape, and left and right polarizing coating is respectively bossing or sunk part, or contrary.The shape of bossing can be shape or other shapes such as rectangle, trapezoidal, wedge-like, wavy, semicircle shape, and sunk part is corresponding complementary structure, and corner can chamfering.In Fig. 5 take rectangular configuration as example.
As shown in Figure 6, left and right polarizing coating is asymmetric structure, according to odd even battle array, arrange, such as, left avertence vibrating diaphragm is made to full wafer shape, position punching in the above (or other machining modes) corresponding to right eye light emitting pixel (luminescent device) goes out serial hole, re-uses right eye polarizing coating punching (or other machining modes) and goes out the series fritter more smaller than hole, then these fritters is settled (such as pasting) to be used for filling in hole location.The void shape of lifting in Fig. 6 is circular, oval, trapezoidal and convex, and hole also can be processed into other shape.
Fig. 7 becomes small pieces to settle respectively the situation of stickup the equal cutting of right and left eyes reflective polarizing film or punching,
Such result is on quarter wave plate, and right and left eyes reflective polarizing film has only occupied a sheaf space.
Above embodiment is only for illustrating preferred implementation of the present utility model, but the utility model is not limited to above-mentioned embodiment, in the ken that described field those of ordinary skill possesses, any modification of doing within spirit of the present utility model and principle, be equal to alternative and improvement etc., as a left side, the change of right avertence vibrating diaphragm shape, and in the polarization mode manufacturing process of arranging in odd even battle array, the change of the shape of symmetry bossing, and the change of the shape of asymmetric punching (or reduction) all belongs to category of the present utility model, within it all should be encompassed in the technical scheme scope of the utility model request protection.
Claims (10)
1. the LED display of a reflective polarizing mould, comprise pcb board, LED luminescent device and polarizing coating, described LED luminescent device is located on pcb board, described polarizing coating comprises left avertence vibrating diaphragm and right avertence vibrating diaphragm, it is characterized in that: described LED luminescent device surface is provided with quarter wave plate, described polarizing coating is reflective polarizing mould, and left and right polarizing coating is located on quarter wave plate.
2. the LED display of a kind of reflective polarizing mould according to claim 1, is characterized in that: described left and right polarizing coating can be interlacing, every row, arrange or the arrangement of odd even battle array.
3. the LED display of a kind of reflective polarizing mould according to claim 1, is characterized in that: between described left and right polarizing coating, be provided with light shield.
4. the LED display of a kind of reflective polarizing mould according to claim 1, is characterized in that: described quarter wave plate can be that monolithic structure is located at the LED luminescent device surface on pcb board.
5. the LED display of a kind of reflective polarizing mould according to claim 1, is characterized in that: described left and right polarizing coating can be rectangle, trapezoidal, wedge-like, wavy, semicircle shape structure.
6. the LED display of a kind of reflective polarizing mould according to claim 1, is characterized in that: described left and right polarizing coating is complementary symmetrical structure.
7. the LED display of a kind of reflective polarizing mould according to claim 1, is characterized in that: described polarizing coating is one deck structure without stack on the whole, and left and right polarizing coating is without overlapping portion.
8. according to the LED display of a kind of reflective polarizing mould described in claim 5,6 or 7, it is characterized in that: described left/right polarizing coating adopts plank frame, on polarizing coating, the position of corresponding right eye/left eye luminescent device is hole, left/right polarizing coating be less than or etc. hole size.
9. the LED display of a kind of reflective polarizing mould according to claim 1, is characterized in that: described quarter wave plate can be for applying, stickup or buckle mode are located on LED luminescent device.
10. the LED display of a kind of reflective polarizing mould according to claim 1, is characterized in that: described left and right polarizing coating can be for applying, stickup or buckle mode are located on quarter wave plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320699811.6U CN203552623U (en) | 2013-11-06 | 2013-11-06 | LED display screen with reflection-type polarization films |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320699811.6U CN203552623U (en) | 2013-11-06 | 2013-11-06 | LED display screen with reflection-type polarization films |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203552623U true CN203552623U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320699811.6U Expired - Lifetime CN203552623U (en) | 2013-11-06 | 2013-11-06 | LED display screen with reflection-type polarization films |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203552623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114994982A (en) * | 2022-06-15 | 2022-09-02 | 京东方科技集团股份有限公司 | Front light source and display device |
-
2013
- 2013-11-06 CN CN201320699811.6U patent/CN203552623U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114994982A (en) * | 2022-06-15 | 2022-09-02 | 京东方科技集团股份有限公司 | Front light source and display device |
| CN114994982B (en) * | 2022-06-15 | 2023-10-13 | 京东方科技集团股份有限公司 | Front light source and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |
|
| CX01 | Expiry of patent term |