CN2419652Y - Symbol indicating unit - Google Patents
Symbol indicating unit Download PDFInfo
- Publication number
- CN2419652Y CN2419652Y CN 00231252 CN00231252U CN2419652Y CN 2419652 Y CN2419652 Y CN 2419652Y CN 00231252 CN00231252 CN 00231252 CN 00231252 U CN00231252 U CN 00231252U CN 2419652 Y CN2419652 Y CN 2419652Y
- Authority
- CN
- China
- Prior art keywords
- emitting diode
- display unit
- luminescence unit
- graphics display
- light
- 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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Abstract
The utility model discloses a symbol figure display unit for forming into a figure and character display screen of different size and content; the symbol figure display unit is an electronic luminous display screen with ultra-low power consumption. Each symbol figure display unit comprises a 16X16 or 24X24 dot array formed by that every two LEDs of a plurality of LEDs are reversely connected in parallel and then are connected in series together, or a dot array with more dot number, a voltage division current limiter, an over-current protector and an AC power supply jack, wherein, the LED dot array, the voltage division current limiter and the over-current protector are connected in series together, and then are connected in parallel between two connecting terminals of the AC power supply jack.
Description
The utility model relates to a kind of constituent components of light emitting display, particularly relates to a kind of in order to constitute a kind of character graphics display unit of super low-power consumption light emitting display.
In the prior art, indoor, outdoor graphic display screen (comprising various direction boards, billboard etc.) passive luminous or non-luminous mode, minority use neon bulb or the luminous giant-screens of dynamic scan of using more.Illumination mode can't not seen night; Passive luminous, neon bulb and the equal power consumption of the luminous giant-screen of dynamic scan is too high, the life-span is short, cost is high.
The purpose of this utility model is to provide a kind of character graphics display unit, and it is in order to constitute super low-power consumption electron luminescence display screen, and its active illuminating also can see clearly at night, and power consumption is very little.
The purpose of this utility model is achieved in that a kind of character graphics display unit, wherein comprise: by being no less than luminescence unit group, dividing potential drop restrictor, overcurrent protector and the AC power interface that a luminescence unit links together and forms, this luminescence unit group, dividing potential drop restrictor and overcurrent protector are cascaded, and are connected between two connection terminals of AC power interface; And described luminescence unit comprises: first light-emitting diode group and second light-emitting diode group, this first light-emitting diode group comprises one the light emitting diode of being no less than of equidirectional serial or parallel connection, this second light-emitting diode group comprises the light emitting diode that is no less than one serial or parallel connection of equidirectional serial or parallel connection, and this first light-emitting diode group and this second light-emitting diode group reverse parallel connection are together.
As a kind of preferable selection of the present utility model, it further comprises: a substrate, described luminescence unit are fixed on this substrate, constitute specific character or figure.
As a kind of preferable selection of the present utility model, described dividing potential drop restrictor comprises one or more capacitor parallel connection.
As a kind of preferable selection of the present utility model, described overcurrent protector is one or more resistance or inductance series connection.
As a kind of preferable selection of the present utility model, described overcurrent protector is a resistance and an inductance series connection.
As a kind of preferable selection of the present utility model, wherein further comprise: a substrate, described luminescence unit group is fixed on this substrate, and the light emitting diode that this luminescence unit group is comprised is formed 16X16 or 24X24 or the more dot matrix of counting, and shows various literal and figure with dot matrix way; At wanting content displayed to need the luminous position light emitting diode of burn-oning, the not light emitting diode that all the other position solder shorts lines and pairing are used.
As a kind of preferable selection of the present utility model, described luminescence unit group comprises a luminescence unit.
As a kind of preferable selection of the present utility model, described luminescence unit is connected in parallel by two opposite light emitting diodes of direction and forms.
As a kind of preferable selection of the present utility model, in the described luminescence unit, the quantity of two groups of light emitting diodes of this that is connected in parallel is identical.
Character graphics display unit of the present utility model, in order to constitute " light emitting display ", power consumption is extremely low, easy to install, rich color, the life-span is long, cost is low, in order to substitute existing graphic display screen (comprising various direction boards, billboard etc.), can play surprising energy-saving effect and unexpected artistic effect.
For making the purpose of this utility model, scheme and advantage clearer, below also further describe in conjunction with the accompanying drawings for example.Wherein:
Fig. 1 shows the circuit structure block diagram of character graphics display unit of the present utility model;
Fig. 2 shows the circuit diagram of character graphics display unit of the present utility model preferred embodiment;
Fig. 3 shows the outward appearance and the scheme of installation of the character graphics display unit in the utility model preferred embodiment.
Fig. 1 shows the circuit structure block diagram of character graphics display unit of the present utility model.Described character graphics display unit comprises: by being no less than luminescence unit group, dividing potential drop restrictor, overcurrent protector and the AC power interface that a luminescence unit is cascaded and forms, this luminescence unit group, dividing potential drop restrictor and overcurrent protector are cascaded, and are connected between two connection terminals of AC power interface; And described luminescence unit comprises: first light-emitting diode group and second light-emitting diode group, this first light-emitting diode group comprises one the light emitting diode of being no less than of equidirectional serial or parallel connection, this second light-emitting diode group comprises the light emitting diode that is no less than one serial or parallel connection of equidirectional serial or parallel connection, and this first light-emitting diode group and this second light-emitting diode group reverse parallel connection are together.The dividing potential drop restrictor is operated in the range of current of permission light emitting diode; Overcurrent protector is injury-free with the protection light emitting diode at powered on moment limit circuit electric current.
Described dividing potential drop restrictor is one or more capacitor parallel connection.Described overcurrent protector is one or more resistance or inductance series connection.
The luminescence unit group can constitute a LED array, and LED array is with dot matrix way character display and figure.
Fig. 2 shows the circuit diagram of the preferred embodiment of character graphics display unit of the present utility model.LED array is by connecting to form at several light emitting diodes of the positive half cycle work of alternating current with at several light emitting diodes such as the figure of the work of alternating current negative half period, like this, in the alternating current positive-negative half-cycle light emitting diode work being arranged all.In fact, because the frequency of AC network is 50Hz, so all light emitting diodes all are stabilized illumination in human eye in the LED array.Described dividing potential drop restrictor is one or more capacitor parallel connection.Described overcurrent protector is one or more resistance or inductance series connection.
The vector sum of the pressure drop sum of the voltage at capacitor two ends and LED array equals alternating supply voltage.Loop current is by the decision of capacitor volume size.The effect of resistor or inductor is injury-free with the protection light emitting diode at powered on moment limit circuit electric current.
Fig. 3 shows the outward appearance and the scheme of installation of the character graphics display unit in the preferred embodiment of the present utility model.In the present embodiment, on circuit board, form the dot matrix of 16X16, will need the luminous position light emitting diode of burn-oning, the not light emitting diode that all the other position solder shorts lines and pairing are used at different graph-text content by light emitting diode.Gone out " 1 " word as shown.Some " character graphics display unit " forms the graphic display screen (comprising various direction boards, billboard) of specific dimensions and content.
Symbol indicating unit of the present utility model, it can consist of the extremely low light emitting display of power consumption, and And can design abundant color, greatly expand Art Design personnel's imagination space, thereby can take Allot more lively beautiful graphic display screen (comprising various direction boards, billboard etc.) and can reach and exceed Energy-saving effect and artistic effect that people expect.
Claims (9)
1, a kind of character graphics display unit, it is characterized in that comprising: by being no less than luminescence unit group, dividing potential drop restrictor, overcurrent protector and the AC power interface that a luminescence unit links together and forms, this luminescence unit group, dividing potential drop restrictor and overcurrent protector are cascaded, and are connected between two connection terminals of AC power interface; And described luminescence unit comprises: first light-emitting diode group and second light-emitting diode group, this first light-emitting diode group comprises one the light emitting diode of being no less than of equidirectional serial or parallel connection, this second light-emitting diode group comprises the light emitting diode that is no less than one serial or parallel connection of equidirectional serial or parallel connection, and this first light-emitting diode group and this second light-emitting diode group reverse parallel connection are together.
2, character graphics display unit as claimed in claim 1 is characterized in that further comprising: a substrate, described luminescence unit are fixed on this substrate, constitute specific character or figure.
3, character graphics display unit as claimed in claim 1 is characterized in that: described dividing potential drop restrictor comprises one or more capacitor parallel connection.
4, character graphics display unit as claimed in claim 1 is characterized in that: described overcurrent protector is one or more resistance or inductance series connection.
5, character graphics display unit as claimed in claim 1 is characterized in that: described overcurrent protector is a resistance and an inductance series connection.
6, character graphics display unit as claimed in claim 1, it is characterized in that further comprising: a substrate, described luminescence unit group is fixed on this substrate, the light emitting diode that this luminescence unit group is comprised is formed 16X16 or 24X24 or the more dot matrix of counting, and shows various literal and figure with dot matrix way; At wanting content displayed to need the luminous position light emitting diode of burn-oning, the not light emitting diode that all the other position solder shorts lines and pairing are used.
7, character graphics display unit as claimed in claim 1 is characterized in that: described luminescence unit group comprises a luminescence unit.
8, character graphics display unit as claimed in claim 1 is characterized in that: described luminescence unit is connected in parallel by two opposite light emitting diodes of direction and forms.
9, character graphics display unit as claimed in claim 1 is characterized in that: in the described luminescence unit, the quantity of two groups of light emitting diodes of this that is connected in parallel is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00231252 CN2419652Y (en) | 2000-03-27 | 2000-03-27 | Symbol indicating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00231252 CN2419652Y (en) | 2000-03-27 | 2000-03-27 | Symbol indicating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2419652Y true CN2419652Y (en) | 2001-02-14 |
Family
ID=33594185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00231252 Expired - Fee Related CN2419652Y (en) | 2000-03-27 | 2000-03-27 | Symbol indicating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2419652Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110782805A (en) * | 2018-10-17 | 2020-02-11 | 友达光电股份有限公司 | Display panel, display device, method of forming display panel, and method of controlling backlight unit |
-
2000
- 2000-03-27 CN CN 00231252 patent/CN2419652Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110782805A (en) * | 2018-10-17 | 2020-02-11 | 友达光电股份有限公司 | Display panel, display device, method of forming display panel, and method of controlling backlight unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |