CN1885370B - Display device - Google Patents
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- CN1885370B CN1885370B CN200510077753A CN200510077753A CN1885370B CN 1885370 B CN1885370 B CN 1885370B CN 200510077753 A CN200510077753 A CN 200510077753A CN 200510077753 A CN200510077753 A CN 200510077753A CN 1885370 B CN1885370 B CN 1885370B
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- display device
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Abstract
The invention relates to a display which comprises a light emitting diode display screen for displaying caption, with lighting surface; display screen pin for forming the electric connection between the light emitting diode display screen and the circuit board; a light conductive screen arranged opposite to the lighting surface; a forward light assembled with the light conductive screen to supply background light source to the light conductive screen; and the light color of display screen is mixed with the background light of forward lamp, to form final display color.
Description
Technical field
The present invention relates to display technique, particularly relate to a kind of display device that is applied to fields such as electronic equipment, household electrical appliances, computing machine, communication facilities.
Background technology
Along with society and scientific and technological progress, various electronic products are universal day by day, and for example, electronic equipment, household electrical appliances, computing machine, communication facilities etc. obtain more and more widely must using.And can adopt various display devices to come output character and/or figure etc. or serve as display control panel in the said goods usually.
In the prior art, have a kind of display device of being made up of LCD (LCD) and backlight, utilize the shortcoming of the display mode of this kind display device to be: background is gloomy, need watch at specific visual angle.
In the prior art, also there is a kind of display device of forming by LED (light emitting diode), backlight and conventional clear glass screen, utilizes the display mode of this kind display device to have display font dimness, unsharp problem equally.
Along with people's level of consumption and growth in the living standard, also more and more higher to the requirement of display device.For example, the brightness of display device, visual effect etc. had higher requirement.
In view of this, need provide a kind of novel display device, reach even more ideal display effect.
Summary of the invention
The technical matters that the present invention solves is to provide a kind of display device, can have desirable final Show Color.
For this reason, the technical scheme of technical solution problem of the present invention is: a kind of display device is provided, comprises:
Light emitting diode (LED) display screen is used to realize that captions show to have light-emitting area;
The display screen pin is used to form being electrically connected between this light emitting diode (LED) display screen and the circuit board;
The leaded light screen, the light-emitting area setting of this light emitting diode (LED) display screen relatively;
Preposition lamp is assembled together with this leaded light screen, is used to the leaded light screen that background light source is provided;
The glow color of described light emitting diode (LED) display screen mixes with the color of the bias light that preposition lamp sends, and forms final Show Color.
Preferably, described leaded light screen comprises that leaded light screen body and self-conductance optical screen body extend the sidewall that forms, and described sidewall is coated with light shield layer.
Preferably, described light shield layer is the aluminium foil reflectance coating.
Preferably, described preposition lamp is arranged at least one sidepiece of leaded light screen, and described sidewall is positioned at the sidepiece that the leaded light screen is not provided with preposition lamp.
Preferably, described sidewall and leaded light screen body form the rectangular parallelepiped of an end opening, and the display screen cover is gone into wherein.
Preferably, described preposition lamp is at least one light emitting diode that is positioned at leaded light screen sidepiece.
Preferably, described at least one light emitting diode is a blue LED.
Preferably, described preposition lamp is by preposition lamp power lead connection circuit plate, and this preposition lamp power lead adopts the form of stitch to be inserted on the circuit board or adopts the form connecting circuit plate of flexible cord pin.
Preferably, described leaded light screen also comprises the light transmitting construction, is positioned at a side of leaded light screen body, the light-emitting area setting of this light emitting diode (LED) display screen relatively.
Preferably, described light emitting diode (LED) display screen is selected yellow green, amber or red light.
With respect to prior art, the invention has the beneficial effects as follows: because display device of the present invention also comprises the leaded light screen of the light-emitting area setting of this light emitting diode (LED) display screen relatively and the preposition lamp that is assembled together with this leaded light screen, the glow color of described light emitting diode (LED) display screen mixes with the color of the bias light that preposition lamp sends, form final Show Color, therefore can reach the color of desirable LED viewing area, more clearly to wanting content displayed to show.
Preferably, the screen of leaded light described in the present invention comprises that leaded light screen body and self-conductance optical screen body extend the sidewall that forms, and described sidewall is coated with light shield layer, therefore can make the display effect of LED display more clear.
Description of drawings
Fig. 1 is the cut-open view of display device first embodiment of the present invention;
Fig. 2 is the synoptic diagram of the luminance of leaded light screen;
Fig. 3 is the power circuit synoptic diagram of preposition lamp;
Fig. 4 is the synoptic diagram of preposition lamp power lead;
Fig. 5 is the synoptic diagram of preposition another example of lamp power lead;
Fig. 6 is the front section view of display device second embodiment of the present invention;
Fig. 7 is the side sectional view of display device second embodiment of the present invention;
Fig. 8 is the distributing position synoptic diagram of light transmitting construction;
Fig. 9 is the front section view of display device the 3rd embodiment of the present invention;
Figure 10 is the side sectional view of display device the 3rd embodiment of the present invention;
Figure 11 is the cut-open view of display device the 4th embodiment of the present invention.
Embodiment
See also Fig. 1, display device of the present invention comprises LED display 4, display screen pin 5, leaded light screen 1, preposition lamp 2 and preposition lamp power lead 3.
The light-emitting area 41 of leaded light screen 1 relative this LED display 4 is provided with; Preposition lamp 2 is light source as a setting, is installed in the two ends, the left and right sides of leaded light screen 1.
The glow color of LED display 4 can mix with the color of the bias light that preposition lamp 2 sends, and final Show Color is adjusted, thereby reached the color of desirable LED viewing area.
The color of preposition lamp 2 and brightness can be regulated when design according to actual needs.
Wherein, it is rectangular-shaped that LED display 4 generally roughly becomes, and can certainly adopt other shape according to actual conditions.
The light-emitting area 41 of LED display 4 is formed at a side of LED display 4, can be used for display text and figure or character etc.
In an embodiment of the present invention, the light source of LED display 4 can be selected yellow green, amber or red light, wherein, and yellow green wavelength: λ=575～580nm; Amber wavelength: λ=600～610nm; Red wavelength: λ=625～635nm.
Display screen pin 5 is positioned at the opposite side of LED display 4 relative these light-emitting areas 41, be assemblied on the circuit board (figure does not show) of display device, be used to form the electrical connection between LED display 4 and the circuit board, thereby make circuit board to show by driving LED display screen 4.
The shape of leaded light screen 1 and the shape of LED display 4 are roughly the same, adapt to the light-emitting area 41 of this LED display 4.This leaded light screen 1 is selected the light-permeable material for use, specifically can select for use high temperature resistant acryl material (PMMA) and performance to reach the other materials of equal effect.
In an embodiment of the present invention, the mean flow rate of leaded light screen is selected L=10～15cd/m for use
2
Leaded light screen 1 is assemblied in electronic product usually, and (for example, electric heater etc. on) the shell, this does not give unnecessary details.
See also Fig. 2, preposition lamp 2 is positioned at the left and right sides of leaded light screen 1, and wherein each side can adopt one or one group of preposition lamp.Wherein, preposition lamp 2 can shield 1 with leaded light and separate setting, also can be arranged in the sidepiece of leaded light screen 1.
When showing, the light that preposition lamp 2 sends enters leaded light screen 1, carries out the guiding of light and forms bias light through leaded light screen 1.The color of bias light is mixed with the glow color of LED display 4, can adjust final Show Color, thereby reach the color of desirable LED viewing area.
See also Fig. 3, be used for that ray cast is entered leaded light screen 1 and can adopt light emitting diode with the preposition lamp 2 that forms bias light.Light emitting diode 2 is connected with resistance R.Certainly, can adopt other similar light sources, this does not give unnecessary details yet.
Light emitting diode can adopt direct insertion or the paster encapsulation, and embodiments of the invention are selected blue LED for use, the wavelength of light emitting diode: λ=464～472nm.
See also Fig. 4 and Fig. 5, preposition lamp 2 obtains working power by preposition lamp power lead 3 connection circuit plates from circuit board.
Described preposition lamp power lead 3 can adopt the form of stitch 31 to be inserted in (Fig. 4 reference) on the circuit board; Also can adopt the form connecting circuit plate (Fig. 5 reference) of flexible cord pin 32.
See also Fig. 6 and Fig. 7, in the second embodiment of the present invention, leaded light screen 1 comprises leaded light screen body 11 and light transmitting construction 12.
Only the side at leaded light screen body 11 is provided with preposition lamp 2, and other sides of leaded light screen body 11 then extend to form sidewall, are used for LED display 4 is covered in its inner space.
On sidewall, apply light shield layer 6, can make the display effect of LED display 4 more clear.Described light shield layer 6 can adopt aluminium foil and performance to reach the other materials of equal effect.
Described smooth transmitting construction 12 is positioned at a side of leaded light screen body 11, and the light-emitting area 4 of this LED display is provided with (Fig. 8 with reference to) relatively, is used to improve the conduction efficiency of the light that preposition lamp 2 sends.
The power lead 3 connecting circuit plates 100 of preposition lamp 2, and the current-limiting resistance of preposition lamp 2 devices such as (figure do not show) is arranged on the circuit board 200.
See also Fig. 9 and Figure 10, the third embodiment of the present invention and second embodiment are roughly the same, and difference is, in the both sides of leaded light screen 1 preposition lamp 2 is set all among the 3rd embodiment.
See also Figure 11, in the fourth embodiment of the present invention, leaded light screen 1 makes the rectangular shape of an end opening, and LED display 4 is covered on wherein, and photomask 6 is covered in the two sides of leaded light screen 1, makes the display effect of LED display more clear.
In sum, the present invention can more clearly to wanting content displayed to show, can be applied to comprise in the various electronic products of electric heater by adjusting the color of the bias light that preposition lamp sends.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. display device comprises:
Light emitting diode (LED) display screen is used to realize that captions show to have light-emitting area;
The display screen pin is used to form being electrically connected between this light emitting diode (LED) display screen and the circuit board;
It is characterized in that, also comprise:
The leaded light screen, the light-emitting area setting of this light emitting diode (LED) display screen relatively;
Preposition lamp is assembled together with this leaded light screen, is used to this leaded light screen that background light source is provided;
The glow color of described light emitting diode (LED) display screen mixes with the color of the bias light that preposition lamp sends, and forms final Show Color,
Described leaded light screen comprises sidewall and leaded light screen body, and described sidewall and leaded light screen body form the rectangular parallelepiped of an end opening, and the display screen cover is gone into wherein;
Described leaded light screen also comprises the light transmitting construction, is positioned at a side of leaded light screen body, the light-emitting area setting of this light emitting diode (LED) display screen relatively.
2. display device according to claim 1 is characterized in that, described leaded light screen comprises that leaded light screen body and self-conductance optical screen body extend the sidewall that forms, and described sidewall is coated with light shield layer.
3. display device according to claim 2 is characterized in that, described light shield layer is the aluminium foil reflectance coating.
4. display device according to claim 2 is characterized in that, described preposition lamp is arranged at least one sidepiece of leaded light screen, and described sidewall is positioned at the sidepiece that the leaded light screen is not provided with preposition lamp.
5. display device according to claim 4 is characterized in that, described preposition lamp is at least one light emitting diode that is positioned at leaded light screen sidepiece.
6. display device according to claim 5 is characterized in that, described at least one light emitting diode is a blue LED.
7. display device according to claim 2 is characterized in that, described preposition lamp is by preposition lamp power lead connection circuit plate, and this preposition lamp power lead adopts the form of stitch to be inserted on the circuit board or adopts the form connecting circuit plate of flexible cord pin.
8. display device according to claim 2 is characterized in that, described light emitting diode (LED) display screen is selected yellow green, amber or red light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510077753A CN1885370B (en) | 2005-06-24 | 2005-06-24 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510077753A CN1885370B (en) | 2005-06-24 | 2005-06-24 | Display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1885370A CN1885370A (en) | 2006-12-27 |
| CN1885370B true CN1885370B (en) | 2010-05-05 |
Family
ID=37583505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510077753A Active CN1885370B (en) | 2005-06-24 | 2005-06-24 | Display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1885370B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1506699A (en) * | 2002-12-11 | 2004-06-23 | 鸿富锦精密工业（深圳）有限公司 | Ligh conducting plate |
| CN2674578Y (en) * | 2003-11-28 | 2005-01-26 | 光宝科技股份有限公司 | LED display with optical curtain |
-
2005
- 2005-06-24 CN CN200510077753A patent/CN1885370B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1506699A (en) * | 2002-12-11 | 2004-06-23 | 鸿富锦精密工业（深圳）有限公司 | Ligh conducting plate |
| CN2674578Y (en) * | 2003-11-28 | 2005-01-26 | 光宝科技股份有限公司 | LED display with optical curtain |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1885370A (en) | 2006-12-27 |
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