CN2077148U

CN2077148U - Electroluminescence display screen

Info

Publication number: CN2077148U
Application number: CN 90219448
Authority: CN
Inventors: 陈建杰; 邸元春
Original assignee: Individual
Current assignee: Individual
Priority date: 1990-09-19
Filing date: 1990-09-19
Publication date: 1991-05-15

Abstract

The utility model relates to the electroluminescence display screen of a fixed electrode, comprising the electroluminescence display screen of a dot type electrode and the electroluminescence display screen of a cross electrode. The utility model can display words, digits, graphics and images. The utility model can be used for a commercial advertisement, a clock, a road sign, a station, an indication board in an airport, image display, etc. aspects.

Description

Electroluminescence display screen

The utility model has related to the fixed electorde el display panel, and point-like electrode el display panel and crossed electrode el display panel can display texts, numeral, figure and image etc., characteristics such as have that screen is big, power consumption is little, efficient is high and cost is low.

The fixed electorde el display panel can show fixing literal, numeral or figure, it is to make on transparent bases such as glass, plastics and corresponding transparency conductive electrode such as literal, the centre accompanies fluorescent powder such as zinc sulphide, add exchange or DC voltage after, make the fluorescent powder electroluminescence.

Point-like electrode el display panel can show variable literal, numeral or figure, and its structure is identical with above-mentioned cardinal principle.Difference is to replace the said fixing electrode with the point-like electrode, and each personal lead-in wire of all point-like electrodes links to each other with external circuit, when display text or numeral, relevant point-like electrode adds direct current or alternating voltage by switch, makes the fluorescent powder electroluminescence of corresponding point-like electrode.It can be used for alphanumeric demonstration aspects such as scoreboard, computer digit demonstration and station, airport train number and flight.

Crossed electrode el display panel energy show events image, its structure and above-mentioned two kinds of displays are basic identical, and difference is to adopt crossed electrode.Specify embodiment below in conjunction with accompanying drawing.

Embodiment 1

The fixed electorde electroluminescent display as shown in Figure 1; it is to adhere to layer of transparent tin ash conductive layer 6 on matrixes 9 such as glass, plastics or organic glass; add last layer tetrazotization silicon insulation course 5 then successively; zinc sulfide phosphor 4; tetrazotization silicon insulation course 3, fixed electorde 2 and epoxy resin protective seam 1.Wherein the shape of fixed electorde 2 is identical with shown literal 7, adds between its extension line 8 and the transparency conducting layer 6 to exchange or DC voltage E, and just can make the fluorescent powder electroluminescence of this literal, the color of fluorescence is relevant with the composition of fluorescent powder.For example: zinc sulphide: copper aluminium fluorescent powder green light; Silication zinc: copper fluorescent powder glows; Zinc sulphide: copper chlorine fluorescent powder blue light-emitting.

Embodiment 2

Point-like electrode el display panel as shown in Figure 2.Obviously, except that the fixed electorde that replaces with the point-like electrode among Fig. 1, other structure is identical substantially with Fig. 1.The number of point-like electrode designs as required, and obviously its quantity is many more, and image is then clear more.All point-like electrodes all have separately lead-in wire to draw and available K switch adds direct current or alternating voltage E, make the fluorescent powder electroluminescence of corresponding point-like electrode.

Embodiment 3

The crossed electrode el display panel as shown in Figure 3, the structure of it and Fig. 1 is basic identical.Difference is to replace transparency conducting layer 6 among Fig. 1 with horizontal transparency electrode 6, with the fixed electorde 2 among vertical transparency electrode 2 replacement Fig. 1.Wherein each horizontal transparency electrode links to each other with x direction switching circuit 4 in Fig. 4 and is subjected to 5 controls of x direction shift pulse generator.Meanwhile, each vertical transparency electrode 6 links to each other with y direction switching circuit 2 in Fig. 4, and is subjected to 3 controls of y direction shift pulse generator.Picture signal 1 is added on the y direction switching circuit 2.Above-mentioned pulse producer sends shift pulse to each horizontal transparency electrode with vertical transparency electrode with vertical direction successively in the horizontal direction.As long as this moment, the x direction had shift pulse, the x direction switching circuit is just connected, and the y direction must just can make the y direction switching circuit connect under shift pulse and picture signal acting in conjunction.Therefore, the place works as x in the point of crossing, just makes this dot fluorescent powder electroluminescence when the y direction switching circuit is all connected, thereby demonstrates live image.

Description of drawings:

Fig. 1

1. epoxy resin protective seam

2 fixed electordes

3 tetrazotization silicon insulation courses

4 zinc sulfide phosphors

5 tetrazotization silicon insulation courses

6 tin ash conductive layers

7 display texts

8 extension lines

9 glass

Fig. 2

1 epoxy resin protective seam

2 fixed electordes

3 tetrazotization silicon insulation courses

4 zinc sulfide phosphors

5 tetrazotization silicon insulation courses

6 tin ash conductive layers

7 extension lines

8 extension lines

Fig. 3

1 glass

2 vertical transparency electrodes

3 tetrazotization silicon insulation courses

4 zinc sulfide phosphors

5 tetrazotization silicon insulation courses

6 horizontal transparency electrodes

7 epoxy resin protective seams

Fig. 4

1 picture signal

2 y direction switching circuits

3 y direction shift pulse generators

4 x direction switching circuits

5 x direction shift pulse generators

6 vertical direction transparency electrode extension lines

7 horizontal transparency electrode extension lines

8 crossed electrode display screens

Claims

1, a kind of electroluminescence video screen, it is characterized in that adopting fixed electorde, but display text, numeral and figure, it adds on glass, plastics or organic glass matrix and literal, numeral or corresponding fixed electorde of figure and transparency conductive electrode, the centre accompanies insulation course and zinc sulphide or silication zinc fluorescent powder, adds that between fixed electorde and transparency conductive electrode direct current or alternating voltage make the fluorescent powder electroluminescence.

2, a kind of electroluminescence video screen, it is characterized in that adopting the point-like electrode, can show variable literal, numeral and figure, it is to add point-like electrode and transparency conductive electrode on glass, plastics or organic glass transparent base, the centre accompanies insulation course and zinc sulphide or silication zinc fluorescent powder, between point-like electrode and transparency conductive electrode,, make the fluorescent powder electroluminescence of relevant point-like electrode with switch connection alternating voltage or DC voltage.

3, a kind of electroluminescence video screen, it is characterized in that adopting crossed electrode, it is to add horizontal transparency electrode and vertical transparency electrode on glass, plastics or organic glass transparent base, the centre accompanies insulation course and zinc sulphide or silication zinc fluorescent powder, in the fluorescent powder electroluminescence that makes under the control of control circuit under the crossed electrode.