CN201804513U - Light emitting diode (LED) display screen mask - Google Patents
Light emitting diode (LED) display screen mask Download PDFInfo
- Publication number
- CN201804513U CN201804513U CN2010205333003U CN201020533300U CN201804513U CN 201804513 U CN201804513 U CN 201804513U CN 2010205333003 U CN2010205333003 U CN 2010205333003U CN 201020533300 U CN201020533300 U CN 201020533300U CN 201804513 U CN201804513 U CN 201804513U
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- China
- Prior art keywords
- face shield
- led display
- reflecting surface
- reflecting
- brim
- 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.)
- Expired - Fee Related
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
- G09F27/008—Sun shades, shades, hoods or louvres on electronic displays to minimise the effect of direct sun light on the display
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Led Device Packages (AREA)
Abstract
The utility model discloses a light emitting diode (LED) display screen mask, which comprises a mask body, wherein the mask body is provided with a reflecting surface, a plurality of light outlet holes are arranged on the mask body, a plurality of arc-shaped reflecting peaks are arranged in parallel on the reflecting surface, and the reflecting peaks and the light outlet holes are arranged at intervals. The LED display screen mask of the utility model is provided with the reflecting peaks on the reflecting surface, the reflecting peaks and light transmission holes are arranged at intervals, the combining contact surface of the reflecting peaks and the reflecting surface is larger because the arc-shaped reflecting peaks and the reflecting surface are in arc-shaped interface connection, so the combination stability between the reflecting peaks and the reflecting surface can be ensured, in addition, the noise light source interference can be effectively blocked in the optical aspect through the arc-shaped peak structures, the signal-to-noise ratio of a display light source is improved, and the image quality of an LED display screen is improved.
Description
Technical field
The utility model relates to a kind of LED display, relates in particular to a kind of LED display face shield.
Background technology
The realization principle of well-known LED display is exactly that LED by different glow colors lights and the pixel that blends different colours, and pixel is formed image and formed various pictures by image again.The image quality whether color of image meets the requirements to LED display has fundamental influence.And color is determined by RGB proportioning (ruddiness content green glow content and blue light content ratio in the same pixel), strong solar light irradiation must upset original proportioning, such as some pixels color-ratio originally is R: G: B=1: 2: 3, and the R of sunshine: G: B=1: 1: 1, R after this pixel irradiation sunshine: G: B=2: 3: 4, serious distortion appearred in pixel color.
In order to address the above problem, existing outdoor LED display screen generally is provided with the interference that the brim structure of cuboid effectively blocks sunshine light on the face shield surface, yet the brim structure of existing this straight cuboid is easy to sever when running into bump, causes the stability of whole face mask structure not strong.
And present LED display forms by the led array of regular distribution, this structure causes interference of light to form Moire fringe light easily, this light equally belongs to noise light with sunshine, will cause bad influence to display frame when it occupies the certain proportion of flashlight.
The utility model content
The technical matters that the utility model mainly solves provides a kind of LED display face shield, and structural stability is good, and can improve the image quality of LED display.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of LED display face shield is provided, comprise the face shield body, described face shield body has a reflecting surface, described face shield body is provided with a plurality of light holes, described reflecting surface is provided with a plurality of curved reflection thes brim of a hat, and the described reflection the brim of a hat and described light hole are provided with at interval.
Wherein, the xsect of the described reflection the brim of a hat is the fan annular.
Wherein, the xsect indention shape of described reflecting surface.
Wherein, the peritreme of described light hole is that a plurality of arc-shaped curved surfaces connect the sealing periphery that surrounds.
Wherein, be vertically arranged with drainage groove between described adjacent two light holes.
Wherein, the xsect of described drainage groove is trapezoidal.
Wherein, the width of described drainage groove diminishes from top to bottom gradually.
The beneficial effects of the utility model are: the brim structure that is different from the LED display Nogata shape of prior art the time is easy to sever running into bump, and the stability that causes whole face mask structure is strong and make the situation that LED is influenced by external interference light easily.The utility model LED display face shield is by being provided with the reflection the brim of a hat on reflecting surface, the reflection the brim of a hat and light hole are provided with at interval, because being the interface of arc, the reflection the brim of a hat of arc and reflecting surface be connected, the surface of contact of both combinations is bigger, so can guarantee to reflect the steadiness that combines between the brim of a hat and the reflecting surface, and the brim structure of arc optically can stop the noise interference of light sources effectively, improves the signal to noise ratio (S/N ratio) of display light source, improves the LED display image quality.
Description of drawings
Fig. 1 is the stereographic map of the utility model LED display face shield;
Fig. 2 is the enlarged drawing of A part in the utility model LED display face shield;
Fig. 3 is the front view (FV) that the utlity model has the LED display face shield of a plurality of carriages;
Fig. 4 is the outboard profile that the utlity model has the LED display face shield of a carriage.
Embodiment
By describing technology contents of the present utility model, structural attitude in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.
See also Fig. 1, Fig. 2 and Fig. 3, the utility model LED display face shield comprises face shield body 10, described face shield body 10 has a reflecting surface 11, described face shield body 10 is provided with a plurality of light holes 101, be set side by side with a plurality of curved reflection thes brim of a hat 12 on the described reflecting surface 11, the described reflection the brim of a hat 12 and described light hole 101 are provided with at interval.
See also Fig. 3 and Fig. 4, the xsect indention shape of described reflecting surface 11.The xsect of the described reflection the brim of a hat 12 is the fan annular, and in the present embodiment, it is to be formed by connecting by two circular arcs that be arranged in parallel and two lines that described fan annular is defined as.So, the reflecting surface 11 of the described reflection the brim of a hat 12 and described face shield body 10 is connected by the interface of an arc, according to mechanics principle, the xsect of the reflection the brim of a hat 12 is designed to fan loop configuration, when being subjected to positive bump, even the thin reflection the brim of a hat relatively also is not easy to be severed, when being subjected to side impact, circular arc interface and reflecting surface surface be connected especially that the fixation at circular arc end points place can guarantee reflecting surface well and reflect integrally-built the stablizing that the brim of a hat 12 combines.The reflection the brim of a hat of arc optically can stop the noise interference of light sources effectively, improves the signal to noise ratio (S/N ratio) of display light source; On mechanics, also can guarantee the stable of whole face mask structure simultaneously.The reflection the brim of a hat 12 by described arc can reduce the influence of sunray to LED display.
The xsect indention shape of described reflecting surface 11 can increase face shield body 10 diffuse reflection of light to external world, and the image that makes the whole LED display screen show is softer.
In one embodiment, the peritreme of described light hole 101 is that a plurality of arc-shaped curved surfaces connect the sealing periphery that surrounds.In the present embodiment, described light hole 101 is to be intersected in twos by three ellipses on face shield body 10, excises the formed figure of public part then, is placed with LED in the described light hole 101.Different periphery, the zigzag reflectings surface 11 of said light hole 101 height can both make the surface of entire emission face 11 become coarse, can increase the diffuse reflection of external interference light and reduces reflection, thereby increase the soft property of LED picture.
In the present embodiment, for degree of roughness on the reflecting surface 11 that increases face shield body 10, the sawtooth under the same reflection the brim of a hat on the reflecting surface 11 can adopt different angles and different height.Any one pixel on LED display all must have identical structure, so the broached-tooth design under the different the brim of a hat must be identical, so the design concept of broached-tooth design is to be the cycle with a pixel, repeats to arrange.Both having guaranteed so that display capabilities that each pixel has equality has makes the light that sends from each pixel to carry out rational diffuse reflection on the face shield surface, reduces the dazzle of LED display.
Between adjacent two light holes 101, be vertically arranged with drainage groove 13 on the reflecting surface 11 of described face shield body 10.The xsect of described drainage groove 13 is trapezoidal, and promptly the width of drainage groove 13 narrows down from top to bottom gradually.So, when LED is arranged on the open air, after face shield body 10 is soaked with rain or impacts, rainwater will flow to the low-lying place of reflecting surface 11 along zigzag reflecting surface 11, and flow to drainage groove 13 along low-lying place, rainwater since the gravity of self will effluent face cover body 10 outside, so can in time the rainwater on the face shield body 10 be got rid of.
The brim structure that is different from the LED display Nogata shape of prior art the time is easy to sever running into bump, and the stability that causes whole face mask structure is strong and make the situation that LED is influenced by external interference light easily.The utility model LED display face shield is by being provided with the reflection the brim of a hat 12 on reflecting surface 11, the reflection the brim of a hat 12 is provided with at interval with light hole, because the reflection the brim of a hat 12 of arc is connected for the interface of arc with reflecting surface 11, surface of contact with respect to the interface of the brim of a hat of existing Nogata shape and reflecting surface 11 is bigger, so can guarantee to reflect the steadiness that combines between the brim of a hat 12 and the reflecting surface 11, and the brim structure of arc optically can effectively stop the noise interference of light sources, improve the signal to noise ratio (S/N ratio) of display light source, improve the LED display image quality.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model instructions and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (7)
1. LED display face shield, it is characterized in that: comprise the face shield body, described face shield body has a reflecting surface, and described face shield body is provided with a plurality of light holes, described reflecting surface is provided with a plurality of curved reflection thes brim of a hat, and the described reflection the brim of a hat and described light hole are provided with at interval.
2. LED display face shield according to claim 1 is characterized in that: the xsect of the described reflection the brim of a hat is the fan annular.
3. LED display face shield according to claim 1 is characterized in that: the xsect indention shape of described reflecting surface.
4. LED display face shield according to claim 1 is characterized in that: the peritreme of described light hole is that a plurality of arc-shaped curved surfaces connect the sealing periphery that surrounds.
5. according to each described LED display face shield of claim 1～4, it is characterized in that: be vertically arranged with drainage groove between described adjacent two light holes.
6. LED display face shield according to claim 5 is characterized in that: the xsect of described drainage groove is trapezoidal.
7. LED display face shield according to claim 5 is characterized in that: the width of described drainage groove diminishes from top to bottom gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205333003U CN201804513U (en) | 2010-09-17 | 2010-09-17 | Light emitting diode (LED) display screen mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205333003U CN201804513U (en) | 2010-09-17 | 2010-09-17 | Light emitting diode (LED) display screen mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201804513U true CN201804513U (en) | 2011-04-20 |
Family
ID=43874015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205333003U Expired - Fee Related CN201804513U (en) | 2010-09-17 | 2010-09-17 | Light emitting diode (LED) display screen mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201804513U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103824528A (en) * | 2014-02-14 | 2014-05-28 | 利亚德光电股份有限公司 | Led display device |
| CN103854575A (en) * | 2014-03-28 | 2014-06-11 | 辰溪顾通科技有限公司 | LED (Light-Emitting Diode) display screen mask |
| CN105023518A (en) * | 2015-07-07 | 2015-11-04 | 长治市华杰光电科技有限公司 | Shield dustproof structure for LED outdoor display screen module |
| CN105575268A (en) * | 2014-10-16 | 2016-05-11 | 深圳市德彩光电有限公司 | Display screen face mask and traffic display screen |
| CN107103848A (en) * | 2017-06-09 | 2017-08-29 | 上海影隆光电有限公司 | A kind of nanometer of material, the LED display mask at ultra-wide visual angle |
| CN114023867A (en) * | 2021-10-19 | 2022-02-08 | 武汉大学 | Full-color Micro-LED display panel and manufacturing method thereof |
-
2010
- 2010-09-17 CN CN2010205333003U patent/CN201804513U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103824528A (en) * | 2014-02-14 | 2014-05-28 | 利亚德光电股份有限公司 | Led display device |
| CN103854575A (en) * | 2014-03-28 | 2014-06-11 | 辰溪顾通科技有限公司 | LED (Light-Emitting Diode) display screen mask |
| CN105575268A (en) * | 2014-10-16 | 2016-05-11 | 深圳市德彩光电有限公司 | Display screen face mask and traffic display screen |
| CN105575268B (en) * | 2014-10-16 | 2018-11-20 | 深圳市德彩光电有限公司 | Show screen cover and traffic display screen |
| CN105023518A (en) * | 2015-07-07 | 2015-11-04 | 长治市华杰光电科技有限公司 | Shield dustproof structure for LED outdoor display screen module |
| CN107103848A (en) * | 2017-06-09 | 2017-08-29 | 上海影隆光电有限公司 | A kind of nanometer of material, the LED display mask at ultra-wide visual angle |
| CN114023867A (en) * | 2021-10-19 | 2022-02-08 | 武汉大学 | Full-color Micro-LED display panel and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20170917 |