CN102117579A

CN102117579A - Highly transparent light emitting diode (LED) display module

Info

Publication number: CN102117579A
Application number: CN2009102168487A
Authority: CN
Inventors: 林谊
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-12-31
Filing date: 2009-12-31
Publication date: 2011-07-06

Abstract

The invention discloses a highly transparent light emitting diode (LED) display module. The module comprises transparent glass plates, a transparent plastic face cover, LED light emitting units and main driving units, wherein the LED light emitting units are linearly arranged; each LED light emitting unit comprises a driving printed circuit board (PCB) and an LED light emitting body which is electrically connected with the driving PCB; the transparent plastic face cover is provided with recesses which are matched with the driving PCBs and the LED light emitting bodies; and the LED light emitting units are arranged between the transparent glass plates and the transparent plastic face cover and are embedded in the recesses of the transparent plastic face cover. The module guarantees high light transmittance while guaranteeing high pixel density and is suitable for application occasions with high requirements on lighting.

Description

A kind of high transparency LED display module

Technical field

The present invention relates to a kind of LED light-emitting device, relate in particular to a kind of high printing opacity LED display module.

Background technology

LED display is flexible because of its size, and the characteristics that environmental suitability is strong make it be used widely in field of media.In some special occasion, need LED display module permeability height as environment such as glass curtain wall, shopper window, stage background, market, hotel, airports, the daylighting transparent effect is good, keeps certain picture element density simultaneously again.Therefore, occurred many barcode LED display screens on the market, this LED screen is that the LED luminescence unit is installed on the circuit board of strip one by one, fixes with opaque shell then, some such lamp bars are formed a unit module, and some unit modules are cascaded into display screen again.Because opaque outer takies than large space, the pel spacing of this unit module generally will accomplish more than the 40mm certain translucent effect is arranged, but pel spacing too greatly then is not suitable for viewing distance smaller applications occasion.Simultaneously, because this opaque display module list structure is very obvious, no matter be installed in indoor or outdoor, a kind of constraint sense of people is given in the capital, and not being suitable for such high-grade application occasions such as shopper window, hotel, office building, market, call in market not only has high pixel density but also have the LED display of high-permeability.

Summary of the invention

The objective of the invention is in order to overcome the deficiencies in the prior art, a kind of COMPLEX FRAME structure that need not is provided, simple structure, easily manufactured, have the high transparency LED display module of very high daylighting transparent effect.

In order to achieve the above object, the present invention has adopted following technical scheme:

A kind of high transparency LED display module is characterized in that: comprising transparency glass plate, transparent plastic face shield, linearly aligned LED luminescence unit and main driver element; The LED luminescence unit comprises driving PCB plate and the LED luminophor that electrically connects with the driving PCB plate, the transparent plastic face shield is provided with the recess that matches with driving PCB plate and LED luminophor position and shape, the LED luminescence unit is installed between transparency glass plate and the transparent plastic face shield, and cover is embedded in the recess of transparent plastic face shield.

Described LED luminophor is luminous flat becomes the vertical angle encapsulation with diode pin paster mounting plane monochrome or a multi-color LED.

Described LED luminophor luminous flat is axially vertical with the transparency glass plate in-plane.

Described transparency glass plate be by but be not limited only to the high grade of transparency homogeneous substrate that PMMA (acrylic) macromolecular material is made.

Described transparent plastic face shield is the thin-walled transparent face mask by mold injection molding.

Described transparent plastic face shield be by but be not limited only to the transparent face mask that PC (polycarbonate) macromolecular material is made.

The present invention utilizes poly (methyl methacrylate) plate and the strong characteristics of transparent plastic face shield light transmission, simultaneously the driving PCB plate that influences printing opacity being parallel to watches direction of visual lines to install, greatly reduce the driving PCB plate to the blocking of light, thereby improved transparency and the picture element density of LED display module.The present invention can be installed in the inboard of clear glass curtain wall and other need the ad distribution occasion of high-permeability, need not a large amount of frameopacity structures, greatly save installing space and improved the picture element density of unit area, be applicable to public places such as market, hotel, school, hospital, airport, have broad application prospects.

Description of drawings

Fig. 1 is structural representation of the present invention (front elevation);

Fig. 2 is the vertical view of LED luminescence unit;

Fig. 3 is the front elevation of Fig. 2;

Fig. 4 is the enlarged drawing of A part among Fig. 1;

Fig. 5 is the B-B cut-open view among Fig. 1;

Fig. 6 is the C-C cut-open view among Fig. 1;

The D-D cut-open view of Fig. 1 when Fig. 7 installs main driver element and skeleton for the LED display module;

Fig. 8 is the B-B cut-open view among another embodiment;

Fig. 9 is the C-C cut-open view among another embodiment.

Embodiment

The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.

Number in the figure is unitedly described as follows: the recess 101 on transparent plastic face shield 1, the transparent plastic face shield 1, driving PCB plate 2, LED luminophor 3, transparency glass plate 4, main driver element 5, skeleton 6.

A kind of high transparency LED display module, comprising transparency glass plate 4, transparent plastic face shield 1, LED luminescence unit and main driver element, LED luminescence unit comprise driving PCB plate 2 and LED luminophor 3.As shown in Figures 2 and 3, LED luminophor 3 electrically is installed in the same one side of driving PCB plate 2 according to the pel spacing of setting (as 16mm), LED luminophor 3 is a kind of light emitting end surface becomes the vertical angle encapsulation with support paster mounting plane light emitting diodes, after paster is installed in above the driving PCB plate 2, formed the LED luminescence unit of lateral emitting, the in-plane of driving PCB plate 2 is consistent with view direction, has reduced blocking of 2 pairs of sight lines of driving PCB plate.As Fig. 4, Fig. 5, shown in Figure 6, transparent plastic face shield 1 forms by injection mo(u)lding, wall thickness is 2mm's, transparent PC (polycarbonate) plastic face mask with recess 101, matching with driving PCB plate 2 and LED luminophor 3 in the shape of recess 101 and position, makes the LED luminescence unit to overlap and be embedded in the middle of the transparent plastic face shield 1.As shown in Figure 7, transparent plastic face shield 1 is fixed on transparency glass plate 4 one side planes, and the LED luminescence unit is between transparent plastic face shield 1 and transparency glass plate 4.Main driver element 5 electrically connects the LED luminescence unit of each row, and changes light and shade and color regularly according to the LED luminophor 3 on each row luminescence unit of the programmed control of setting.Some so mutual cascades of LED display module have then formed the LED display that can show the large tracts of land graph text information.

The present invention has also guaranteed very high translucent effect when guaranteeing very high pixel density, be example with pel spacing 16mm, and its picture element density can reach 3906 points/m ², transmittance can reach more than 75%, the LED line-screen 625 points/m that makes than common 40mm pel spacing frameopacity ²Picture element density be significantly increased.Simultaneously, good sealing effectiveness can be formed, waterproof action can be effectively played because transparent plastic face shield 1 of the present invention and transparency glass plate 4 cooperatively interact.

The luminous matrix of above-mentioned LED display module can be considerably beyond 8 * 8 pixels, and commonly used have 16 * 8,16 * 16,32 * 16,32 * 32 or the like.

Further, as Fig. 8, shown in Figure 9, the transparent plastic face shield 1 of above-mentioned LED display module and the position of transparency glass plate 4 can before and after reversing of position, transparent plastic face shield 1 is protected the LED luminescence unit from behind.

Claims

1. one kind high transparency LED display module is characterized in that: comprising transparency glass plate, transparent plastic face shield, linearly aligned LED luminescence unit and main driver element; The LED luminescence unit comprises driving PCB plate and the LED luminophor that electrically connects with the driving PCB plate, the transparent plastic face shield is provided with the recess that matches with driving PCB plate and LED luminophor position and shape, the LED luminescence unit is installed between transparency glass plate and the transparent plastic face shield, and cover is embedded in the recess of transparent plastic face shield.

2. high transparency LED display module according to claim 1 is characterized in that described LED luminophor is luminous flat becomes the vertical angle encapsulation with diode pin paster mounting plane monochrome or a multi-color LED.

3. high transparency LED display module according to claim 1 is characterized in that described LED luminophor luminous flat is axially vertical with the transparency glass plate in-plane.

4. high transparency LED display module according to claim 1, it is characterized in that described transparency glass plate be by but be not limited only to the high grade of transparency homogeneous substrate that PMMA (acrylic) macromolecular material is made.

5. high transparency LED display module according to claim 1 is characterized in that described transparent plastic face shield is the thin-walled transparent face mask by mold injection molding.

6. high transparency LED display module according to claim 1, it is characterized in that described transparent plastic face shield be by but be not limited only to the transparent face mask that PC (polycarbonate) macromolecular material is made.