CN201780732U

CN201780732U - Novel LED dot-matrix display screen

Info

Publication number: CN201780732U
Application number: CN2010202718875U
Authority: CN
Inventors: 宋明加
Original assignee: SHENZHEN GUTON TECHNOLOGY Co Ltd
Current assignee: SHENZHEN GUTON TECHNOLOGY Co Ltd
Priority date: 2010-07-26
Filing date: 2010-07-26
Publication date: 2011-03-30
Anticipated expiration: 2020-07-26

Abstract

The utility model relates to the field of electronic display screens, in particular to a novel LED dot-matrix display screen. The novel LED dot-matrix display screen is characterized in that a total printed advertisement is displayed on a screen body when in the day time, ambient light can penetrate through a light transmitting board of the screen body after being projected onto a painted film, so that houses of a building or department block which is shielded by the display screen can keep certain lighting; and an LED display panel mounted on the light transmitting board can be luminous actively when at night, so that users can view controlled computer or television pictures instead of the printed picture which is displayed in the day time through the light transmitting board.

Description

The novel dot matrix display screen of LED

[technical field]

The utility model relates to the electronic display field, specifically refers to the novel dot matrix display screen of a kind of LED.

[background technology]

Research and development success along with twentieth century blue light and green-light source, led light source substitutes traditional visible light source gradually, utilize led light source to make large flat display screen (FDP) and become possibility, lattice module or pixel cell that it utilizes light emitting diode to constitute are formed the large tracts of land display screen, be subjected to people's favor, power consumption is low, response speed is fast, operating ambient temperature range is wide as working, full firmware equipment volume is little, anti-impact force reaches life-span length etc. well; Simultaneously itself be semiconductor element, thus can be compatible fully with the IC circuit, and control and driving circuit are easy of integration in flat-panel monitor, further reduce the volume of display, also can conveniently realize the multipath transmission of signal.

Usually LED display generally all is lighttight, and people can only see that the light that LED sends, result are that each piece screen has all become a stifled black wall from the display screen front, significantly are in the light, destroy view, make its applied environment be subjected to very big restriction.For example, when this LED display is installed in the outside of office building or apartment, will certainly shelters from from external irradiation and advance light in the building, influence the daylighting in the building.

[utility model content]

The utility model purpose is to solve the above problems, and a kind of LED reasonable in design, dependable performance is provided novel dot matrix display screen.

The novel dot matrix display screen of a kind of LED comprises a plurality of led display units that are stitched together, and the outside surface of described a plurality of led display units constitutes an imaging surface; Wherein said each display unit all comprises the circuit board that is provided with the LED luminous tube array that is installed on the framework, and described LED luminous tube array outside surface is coated with the light-passing board of being made by transparent or semitransparent material; Offer on the described circuit board and can make ambient light see through the light inlet window of led display unit, the outside surface of described light-passing board the has been pasted with air brushing printing film of pattern, described printing film is single saturating film, is evenly distributed with light hole on it.

Offer the honeycomb hole that LED emission light is directly penetrated corresponding to LED luminotron position on the described light-passing board.

Described light-passing board is poly (methyl methacrylate) plate or ground glass plate.

The light inlet window of offering on the described circuit board is a strip, is arranged in parallel on circuit board, and described LED luminotron is positioned at the window frame position.

LED display of the present utility model, have following beneficial effect: what shield body display daytime is a view picture painting advertisement, when surround lighting projected on the printing film, penetrable screen body light-passing board made in the room of the office building that sheltered from by this display screen or apartment to keep certain daylighting; But be placed in the LED display board active illuminating behind the light-passing board night, by light-passing board, the user sees no longer is the air brushing picture on daytime but controlled computer or television picture.

[description of drawings]

Fig. 1 is the perspective view of the utility model led display unit;

Fig. 2 is the side view according to the led display unit of the utility model embodiment;

Fig. 3 is the front view according to the utility model first embodiment led display unit;

Fig. 4 is the front view according to the utility model second embodiment led display unit;

[embodiment]

In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Be to be understood that concrete embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

Join shown in Figure 1ly, led display unit 100 of the present utility model comprises framework 30, is installed in circuit board 20, light-passing board 40 on the framework 30 successively from inside to outside.Can see LED luminotron 10 arrays that are connected on the circuit board 20 by light-passing board 40.For realizing the printing opacity function, offer light inlet window 22 on the circuit board 20, so that light can see through led display unit.

Fig. 2 is that LED luminotron 10 is direct insertion LEDs according to the side view of the led display unit 200 of the utility model embodiment, is welded on the circuit board 20 by pin.All luminous flat of LED luminotron 10 common formations.Light-passing board 40 is installed before this light-emitting area, and the light that LED luminotron 10 sends passes light-passing board 40 and forms image.

Fig. 3 and Fig. 4 are the led display unit 300 of the utility model embodiment and 400 front view, seeing through light-passing board 40 can see, offer a plurality of strip light inlet windows 22 that are arranged in parallel on the

circuit board

20,10 of LED luminotrons are installed in window frame 13 positions, make extraneous light to shine led display unit space behind through light-passing board 40 and light inlet window 22.

The first half of described circuit board 20 is provided with triplex row two row light inlet windows; At the middle part of circuit board 20, be provided with the light inlet window that a length is approximately circuit board 20 width; In the latter half of circuit board 20, be provided with triplex row two row light inlet windows, form window frame 23 around the light inlet window 22.The back side of window frame 23 parts can be used for cabling and control circuit is set.In addition, the arrangement of light inlet window 22 is not limited to laterally, also can be vertically or tilted alignment.Described light-passing board 40 can be a transparent plate, as shown in Figure 3.It can adopt organic glass to make, and also can be other transparent or semi transparent material, as ground glass.Also can as required this light-passing board 40 be made the transparent plate that has honeycomb hole.For example shown in Figure 4, on light-passing board 40, be provided with honeycomb hole 42 with corresponding position, LED luminotron 10 position, be used for appearing the light that LED sends.The shape of this honeycomb hole 42 can be a different shape, as circle, triangle, rectangle, polygon etc.

As application, paste the figuratum printing film of air brushing at the outside surface of above-mentioned light-passing board 40, this printing film adopts single saturating film, is evenly distributed with light hole thereon, is used for the natural light printing opacity daytime, is used for the LED printing opacity evening.For example, the position of light hole can be corresponding with the position of LED luminotron (10); When on the light-passing board 40 during not perforate, light imaging on light-passing board 40 that the light hole that forms on its surperficial printing film also can make the LED luminotron emit.Be some difference of image effect.As not perforate on the light-passing board 40, when LED is luminous, ray cast on the whole light-emitting area is to light-passing board 40, thereby formation image, the user sees no longer is one by one luminous point, but the light intensity uniform in-plane has been avoided dark space and tangible particle between the pixel, makes the image of demonstration softer, careful; As perforate on the light-passing board 40, when forming the honeycomb corresponding with the LED position, the outstanding line of LED directly penetrates.

The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims

1. the novel dot matrix display screen of LED comprises a plurality of led display units that are stitched together, and the outside surface of described a plurality of led display units constitutes an imaging surface; Described each display unit all comprises the circuit board that is provided with the LED luminous tube array that is installed on the framework, it is characterized in that: described LED luminous tube array outside surface is coated with the light-passing board of being made by transparent or semitransparent material; Offer on the described circuit board and can make ambient light see through the light inlet window of led display unit, the outside surface of described light-passing board the has been pasted with air brushing printing film of pattern, described printing film is single saturating film, is evenly distributed with light hole on it.

2. the novel dot matrix display screen of LED according to claim 1 is characterized in that: offer the honeycomb hole that LED emission light is directly penetrated corresponding to LED luminotron position on the described light-passing board.

3. the novel dot matrix display screen of LED according to claim 1 is characterized in that: described light-passing board is poly (methyl methacrylate) plate or ground glass plate.

4. the novel dot matrix display screen of LED according to claim 1, it is characterized in that: the light inlet window of offering on the described circuit board is a strip, is arranged in parallel on circuit board, described LED luminotron is positioned at the window frame position.