CN101191939A - LED display device - Google Patents
LED display device Download PDFInfo
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- CN101191939A CN101191939A CNA2006101452092A CN200610145209A CN101191939A CN 101191939 A CN101191939 A CN 101191939A CN A2006101452092 A CNA2006101452092 A CN A2006101452092A CN 200610145209 A CN200610145209 A CN 200610145209A CN 101191939 A CN101191939 A CN 101191939A
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- emitting diode
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Abstract
The invention discloses a display unit provided with an LED, comprising a display unit body. The display unit body is provided at least with one outer frame, a signal switching circuit for receiving an input signal and detecting as well as analyzing the input signal and outputting a corresponding signal, and an LED control circuit for receiving the corresponding signal outputted by the signal switching circuit and outputting a control signal, wherein, the LED control circuit at least comprises a PWD circuit for sending a pulse signal to adjust the control signal and at least one LED for receiving the control signal to control the brightness and the tone of the LED.
Description
Technical field
The present invention relates to a kind of display device, particularly a kind of display device with light emitting diode.
Background technology
In recent years, along with the significantly progress of development in science and technology and the high development of multimedia technology, electronic product provides many functions easily.And the user constantly promotes especially to the demand of electronic multimedia device in function and visual effect and value impression.Therefore, in consumption market now, except the quality and functionality of product need good and powerful, more can not ignore the impression the when consumer uses, the comfortableness and the appropriate property of giving the user with product tape.Therefore, variability and the modish property of product when when design needs addition product to use can increase in use enjoyment of user and comfortable, also thereby can increase the market competitiveness of product.
Because the modern often spends a large amount of time in the face of a calculator display organization, in the face of a large amount of needs of work is handled, average when computed number also constantly increase, therefore in recent years, the main flow of display device product is replaced traditional iconoscope (Cathode Ray Tube by liquid crystal indicator gradually; CRT) display, because liquid crystal indicator has thin thickness, light weight and easy to carry, more important is the advantage that low radiation is arranged, comfortable and healthy when using to increase the user.
Yet,, must increase the comfort of user's use and relieve working pressure, and then increase work efficiency if can increase the variability and the modish property of a large amount of display device of using user's every day.
In the prior art, the housing of general liquid crystal indicator only has the effect of protection and support usually, and can't have more variability.Therefore, the user often after computing machine is opened, faces a large amount of work and file processing, and can't experience the design of hommization.And when the user utilizes the computing machine music playing function, often can only utilize the ear listoning music, only have the pleasure of the senses of the sense of hearing, and visually still need face working document, and must sacrifice visual enjoyment.And in the prior art, liquid crystal indicator provides the function of parameter adjustment, and for example brightness adjustment, contrast adjustment, picture position adjustment and color adjustment etc. but can't provide the color that more meets individual demand, mood or hobby to set or the situation design.
Therefore, a kind ofly more meet user's demand, and provide the comfortableness that the user uses and the design of variational liquid crystal indicator to be suggested.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of peripheral housing design of liquid crystal indicator, it has variability lumination of light emitting diode effect, often do not have variability in order to the housing that solves liquid crystal indicator in the known techniques, and make the user watch display device work in a large number attentively, but do not experience the shortcoming of comfortableness, variability and human oriented design.
For reaching above-described purpose, the present invention discloses a kind of display device with light emitting diode, it includes a display device body, it has a housing at least, and a signal switching circuit arranged, in order to receive an input signal, and carry out check and analysis for input signal, export with a respective signal again, has a LED control circuit again, the respective signal of received signal commutation circuit output, and with control signal output, and wherein LED control circuit includes a pulse width modulation circuit at least, adjusts control signal in order to send a pulse signal, and having at least one light emitting diode to be arranged at the housing of this display device body, the control signal that the reception LED control circuit is exported is controlled the brightness and the tone of lumination of light emitting diode.
Compared with prior art, effect of the present invention is by above design, make the extensive masses that need spend the plenty of time to watch liquid crystal indicator attentively, can utilize the parameter setting button of display according to the hobby of oneself, regulate and control the power and the tone of lumination of light emitting diode, to set up the situation design of demands of individuals, can also be when listoning music, see through visual synchronous variation, the atmosphere and the visual experience of listening to the music in order to increase, allow more sense organ receive the stimulation and the influence of music, and then allow the user more be merged in the enjoyment of music, and utilize the lumination of light emitting diode effect on liquid crystal indicator to allow the user experience the design of variability and hommization,, and then promote work efficiency with the enjoyment of lifting user when working.
More than about the explanation of the explanation of content of the present invention and following embodiment in order to demonstration with explain principle of the present invention, and provide claim protection domain of the present invention further to explain.
Description of drawings
Figure 1A is the synoptic diagram with display device of light emitting diode;
Figure 1B is the system architecture diagram with display device of light emitting diode;
Fig. 2 is the system architecture diagram of first embodiment of the invention;
Fig. 3 is the system architecture diagram of second embodiment of the invention;
Fig. 4 A is the synoptic diagram of third embodiment of the invention;
Fig. 4 B is the system architecture diagram of third embodiment of the invention; And
Fig. 5 is the synoptic diagram of liquid crystal indicator in the fourth embodiment of the invention.
Wherein Reference numeral is:
100 display device bodies
101 housings
102 power supplys
103 parameter setting buttons
105 switch modules
106 lens pillars
110,110a, 110b, 110c signal switching circuit
111 signal filter circuits
112 amplitude detecting circuits
114 parameter signal corresponding circuits
120 LED control circuit
121 pulse-width modulation circuit
130 light emitting diodes
131 red light emitting diodes
132 blue LEDs
133 green LEDs
L light
Embodiment
For making purpose of the present invention, structure, feature and function thereof there are further understanding, cooperate embodiment to be described in detail as follows now.
At first, see also Figure 1A and Figure 1B, Figure 1A and Figure 1B are respectively the synoptic diagram and the system architecture diagram of the display device with light emitting diode.Shown in Figure 1A and Figure 1B, the system architecture with display device of light emitting diode of the present invention, it includes a display device body 100, a power supply 102, a signal switching circuit 110 and a LED control circuit 120.Wherein display device body 100 has a housing 101, and on housing 101, be provided with at least one light-emitting diode component 130, and include a pulse-width modulation circuit 121 in the LED control circuit 120 at least, and power supply 102 provides signal switching circuit 110, LED control circuit 120 and light emitting diode 130 needed working currents at least, and light emitting diode 130 is the variable-brightness light emitting diode, its operating voltage range is 0～5 volt (Volt), can make light emitting diode 130 send different brightness under different voltages, electric current.
When an input signal is input to signal switching circuit 110, corresponding to different input signals, corresponding signal switching circuit 110 need be set, a plurality of different corresponding signal switching circuits 110 can illustrate in following different embodiment.And when corresponding signal switching circuit 110 receives an input signal, can carry out check and analysis to input signal, and be sent in the LED control circuit 120 with corresponding respective signal output, wherein the major function of LED control circuit 120 is to adjust brightness and the tone that control light emitting diode 130 must set according to respective signal.
After LED control circuit 120 receives the respective signal that transmits from signal switching circuit, can be via pulse-width modulation (Pulse Width Modulation wherein, PWM) circuit 121 is regulated and control, and pulse-width modulation circuit 121 main methods of adjustment are connected on the light emitting diode 130 as switch and by transistor for utilization is connected to a transistor (figure does not show), connection brightens the brightness of light emitting diode 130 as desire, it is big that luminance becomes, then must transmit the accurate pulse signal in a height (High) position to transistor by pulse-width modulation circuit 121, and the effect of pulse signal is than elongated, when transistor is received the pulse signal of high levels, then cause transistor to be unlocked, and because the effect of pulse signal is than elongated, and the time that makes transistor open is also elongated, also makes the luminous quantity of light emitting diode 130 increase and increase brightness.Opposite, when pulse-width modulation circuit 121 transmits the accurate pulse signal in one low (Low) position to transistor, then cause transistor to be closed, also therefore light emitting diode 130 is closed.Yet, when the present invention has the light emitting diode 130 of a plurality of different tones, it is connected to separately transistor and pulse-width modulation circuit 121 respectively, and utilize and to be used for the pulse-width modulation circuit 121 of different tone light emitting diodes 130 individually and to be sent to other circuit with the pulse signal of same-action ratio not, then make the light emitting diode 130 of a plurality of different tones, its each self luminous time and brightness all can utilize pulse-width modulation circuit 121 to be adjusted, therefore, the pulse signal of pulse-width modulation circuit 121 outputs can be regulated and control the control signal by LED control circuit 120 light emitting diode that exports to 130, and the light that causes light emitting diode 120 to be exported can be adjusted to difference, disposable tone.In addition, LED control circuit 120 more can have a variable current circuit (figure do not show) provides the electric current that is sent to light emitting diode 130 can be according to the respective signal modulation, and makes light emitting diode comply with different working currents and the variation that produces the brightness power,
Then, see also Fig. 2, Fig. 2 is the system architecture diagram of first embodiment of the invention.As shown in Figure 2, have more a switch module 105 in the present embodiment.And when switch module 105 is unlocked, one electric power starting signal is with regard among the input signal commutation circuit 110a, and signal switching circuit 110a carries out analyzing and testing, after confirming that the signal that is received is an electric power starting signal, a respective signal can be spread out of to LED control circuit 120.
In the present embodiment, desire to make when power supply is unlocked, the shinny effect of light emitting diode 130 is the effect of a bright-dark, so that the housing 101 of liquid crystal indicator can have variability and modish property, allow the respiration of the comparable personification of illumination effect of display device, produce fluctuations, make the user more feel friendly.Therefore, pulse-width modulation circuit 121 and variable current circuit in the LED control circuit 120 can be carried out modulation corresponding to the respective signal of being accepted, wherein 121 pulse signals that can send the fluctuating of one-period property of pulse-width modulation circuit, for example a sine function pulse, cosine function pulse, triangular pulse etc.And variable current circuit is sent out working current with slow continuous current variation, can build the analogy effect of breathing of bright-dark, to reach the impression of hommization.
Moreover, seeing also Fig. 3, Fig. 3 is the system architecture diagram of second embodiment of the invention.As shown in Figure 3, second embodiment of the invention and the topmost difference of first embodiment are the variation on the signal switching circuit function.Wherein, the second embodiment signal switching circuit 110b includes a signal filter circuit 111 and an amplitude detecting circuit 112, when an input signal is a sound signal, sound signal is at first by signal filter circuit 111, the noise filtering in addition of input audio signal itself or sound signal being transmitted in circuit and producing, and the sound signal of filtering noise is sent to comes in the amplitude detecting circuit 112 in addition that the amplitude fluctuation of this sound signal of check and analysis distributes, and export in the LED control circuit 120 with a respective signal that changes corresponding to audio signal amplitude again.
In present embodiment, desire to make the illumination effect of light emitting diode 130 relevant, promptly when the amplitude of sound signal is big more with the amplitude size of sound signal, then the luminosity of light emitting diode 130 is bright more, otherwise, when the amplitude of sound signal more hour, the luminosity of light emitting diode 130 is dark more.Therefore, LED control circuit 120 receives the respective signal of a corresponding amplitude size, then when sound signal has large amplitude, pulse-width modulation circuit 121 can send a high levels pulse signal to transistor in the LED control circuit 120, cause transistor to be unlocked, the luminous quantity of light emitting diode 130 is increased.In addition, variable current circuit is also exported bigger working current to light emitting diode 130, and light emitting diode 130 luminosity are increased.Otherwise then when sound signal had little amplitude, pulse-width modulation circuit 121 can send a low level pulse signal to transistor in the LED control circuit 120, causes transistor to be closed, and the luminous quantity of light emitting diode 130 is reduced.In addition, variable current circuit is also exported less working current to light emitting diode 130, and light emitting diode 130 luminosity are weakened.Therefore, present embodiment reaches brightness size corresponding variation along with volume (amplitude) size of sound signal of light emitting diode 130 by the operation of above two circuit, make the user before computer liquid crystal display device during listoning music, the pleasure of the senses that not only has music, and can have the light emitting diode 130 brightness variation that changes with music concurrently, to increase visual enjoyment, increase the comfort of listoning music.First and second embodiment of the present invention is not limited to only have a light emitting diode 130 and is arranged on the housing 101 of display device body 100, also can have a plurality of light emitting diodes 130 and be arranged at the housing 101 of display device body 100, and it is relevant with the brightness of light emitting diode 130 that present embodiment is not limited to audio signal amplitude, and it is relevant with the tone of light emitting diode 130 also can be designed to audio signal amplitude.
Again, see also Fig. 4 A and Fig. 4 B, Fig. 4 A and Fig. 4 B are respectively the synoptic diagram and the system architecture diagram of third embodiment of the invention.Shown in Fig. 4 A and Fig. 4 B, the different variations that also are on the signal switching circuit function of the third embodiment of the present invention and the foregoing description maximum, and present embodiment also is provided with the light emitting diode of a plurality of different wave lengths, wherein has red light emitting diodes 131, blue LED 132 and green LED 133.Generally have a plurality of parameter setting buttons 103 in order to adjust the various kinds setting value of liquid crystal indicator on display device body 100, for example brightness, contrast, picture displacement and colorfulness etc. can be set with hobby according to user's demands of individuals.Yet,, must more can meet user's demand if can combine with the present invention to increase the variability of display device body 100.Wherein, the signal switching circuit 110c of the 3rd embodiment includes a parameter signal corresponding circuits 114, when the user pushes parameter setting button 103 according to individual demand, and when adjusting its parameter size, this parameter signal can reach in the parameter signal corresponding circuits, this parameter signal value is analyzed measurement, and be sent in the LED control circuit 120 to carry out light emitting diode 130 regulation and control with a default respective signal that corresponds to the parameter signal value according to the kind of this parameter signal and the size of parameter signal.And above-mentioned default respective signal can be adjusted according to user's demand, to form the default value according to user's fancy setting.
In the present embodiment, desire to make the illumination effect of light emitting diode to have different contextual models to present, and can set according to user's hobby according to different parameter settings.Therefore, during the different respective signal that in LED control circuit 120 receives from signal switching circuit 110c, produces corresponding to the different parameters signal value, then, then cause pulse-width modulation circuit 121 and variable current circuit to produce different pulse signal and working current value again corresponding to different respective signal.For instance, if the user adjust display device body 100 brightness pre-set parameter and make it deepening, and on behalf of the more gloomy situation of individual's expectation, default this parameter adjustment of user design, and treats that promptly picture presents dead color, purple series.Therefore, when this parameter signal input parameter signal corresponding circuits 114, then export a respective signal of presetting to LED control circuit 120, respective signal is sent to the pulse-width modulation circuit 121 in the LED control circuit 120, then the pulse-width modulation circuit 121 corresponding to red light emitting diodes 131 and blue LED 132 can produce a high levels pulse simultaneously to connecting transistor separately, and cause transistor to be unlocked, and make red light emitting diodes 131 and blue LED 132 luminous individually, opposite, can produce a low level pulse signal to transistor that it connected corresponding to 121 in the pulse-width modulation circuit of green LED 133, and cause transistor to be closed, therefore a plurality of LED source then are mixed into violet ray.And, respective signal is sent in the variable current circuit simultaneously, variable current circuit corresponding to red light emitting diodes 131 and blue LED 132 is then exported less working current, its brightness is reduced and the illumination effect of generation mulberry, to reach the setting pattern of user's hobby.Yet the present invention is not limited to above-described contextual model and sets, any utilize parameter setting with the design of adjusting the lumination of light emitting diode effect all in protection scope of the present invention.
In addition, see also Fig. 5, Fig. 5 is a liquid crystal indicator synoptic diagram in the fourth embodiment of the invention.The housing design of liquid crystal indicator of the present invention not only utilizes general plastic material, the function that it has protection and supports.More can include a plurality of lens pillars 106 is arranged at outside the display device body 100 on the frame 101, as shown in Figure 5.When the present invention's light emitting diode 130 utilizes LED control circuit 120 to regulate and control its illumination effect in by above-mentioned first, second and third embodiment, its brightness and tone all can be by modulations, but its illumination effect only limits to the illumination effect of each light emitting diode 130 as pointolite.Yet if lens pillar 106 is set before light emitting diode 130, the light L by light emitting diode 130 is sent can inject in the lens pillar 106 via refraction, injects on the display panels again.Because above design makes the illumination effect of light emitting diode 130 have more than the effect of pointolite, also the light L that allows light emitting diode 130 send by lens pillar 106 is sent on the whole plane of display panels.Therefore, the illumination effect that desire produces via LED control circuit 120 regulation and control light emitting diodes 130 can present widely.
By design of the present invention, make the extensive masses that need spend the plenty of time to watch liquid crystal indicator attentively, can utilize the parameter setting button of display according to the hobby of oneself, regulate and control the power and the tone of lumination of light emitting diode, to set up the situation design of demands of individuals, can also be when listoning music, see through visual synchronous variation, and the enjoyment on the increase sense organ, and utilize the lumination of light emitting diode effect on liquid crystal indicator to allow the user experience the design of variability and hommization, with the enjoyment of lifting user when working, and then promote work efficiency.
Though the present invention discloses as above with a preferred embodiment; right its is not in order to limit the present invention; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (16)
1. display device with light emitting diode is characterized in that it includes:
One display device body, it has a housing at least;
One signal switching circuit in order to receiving an input signal, and carries out check and analysis for this input signal, exports with a respective signal again;
One LED control circuit receives this respective signal of this signal switching circuit output, and exports a control signal, and this LED control circuit includes a pulse width modulation circuit at least, adjusts this control signal in order to send a pulse signal; And
At least one light emitting diode is arranged on the housing of this display device body, receives brightness and tone that this control signal that this LED control circuit exports is controlled this lumination of light emitting diode.
2. the display device with light emitting diode according to claim 1 is characterized in that, it also includes a power supply this signal switching circuit, this LED control circuit and the required working current of this light emitting diode are provided.
3. the display device with light emitting diode according to claim 1 is characterized in that, wherein this LED control circuit also includes a variable current control circuit, in order to the current value of this control signal output of modulation.
4. the display device with light emitting diode according to claim 1, it is characterized in that, wherein this input signal is a sound signal, and this signal switching circuit includes an amplitude detecting circuit at least, in order to detecting the amplitude variations of this sound signal, and with to this respective signal output that should amplitude variations.
5. the display device with light emitting diode according to claim 4 is characterized in that wherein this signal switching circuit also includes a signal filter circuit, is connected in the front end of this amplitude detecting circuit, to eliminate the noise of this sound signal.
6. the display device with light emitting diode according to claim 1, it is characterized in that, wherein this input signal is at least one parameter signal in a plurality of parameter setting buttons of this liquid crystal indicator, and this signal switching circuit includes a parameter signal corresponding circuits, and with the respective signal output corresponding to this parameter signal.
7. the display device with light emitting diode according to claim 1 is characterized in that wherein this input signal is a power switch signal, and this signal switching circuit detects this power switch signal, and exports with a respective signal.
8. the display device with light emitting diode according to claim 7 is characterized in that, wherein this power switch signal utilizes a switching device to control.
9. display device with light emitting diode, it includes:
One display device body, it has a housing at least, and at least one side of this housing at least one lens pillar is set;
One signal switching circuit in order to receiving an input signal, and carries out check and analysis for this input signal, exports with a respective signal again;
One LED control circuit receives this respective signal of this signal switching circuit output, and exports a control signal, and this LED control circuit includes a pulse width modulation circuit at least, adjusts this control signal in order to send a pulse signal; And
At least one light emitting diode is arranged at the outside of this lens pillar, receives brightness and tone that this control signal that this LED control circuit exports is controlled this lumination of light emitting diode.
10. the display device with light emitting diode according to claim 9 is characterized in that, it also includes a power supply this signal switching circuit, this LED control circuit and the required working current of this light emitting diode are provided.
11. the display device with light emitting diode according to claim 9 is characterized in that, wherein this LED control circuit more includes a variable current control circuit, in order to the current value of this control signal output of modulation.
12. the display device with light emitting diode according to claim 9, it is characterized in that, wherein this input signal is a sound signal, and this signal switching circuit includes an amplitude detecting circuit at least, in order to detecting the amplitude variations of this sound signal, and with to this respective signal output that should amplitude variations.
13. the display device with light emitting diode according to claim 12 is characterized in that wherein this signal switching circuit more includes a signal filter circuit, is connected in the front end of this amplitude detecting circuit, to eliminate the noise of this sound signal.
14. the display device with light emitting diode according to claim 9, it is characterized in that, wherein this input signal is at least one parameter signal in a plurality of parameter setting buttons of this liquid crystal indicator, and this signal switching circuit includes a parameter signal corresponding circuits, and with the respective signal output corresponding to this parameter signal.
15. the display device with light emitting diode according to claim 9 is characterized in that wherein this input signal is a power switch signal, and this signal switching circuit detects this power switch signal, and exports with a respective signal.
16. the display device with light emitting diode according to claim 15 is characterized in that, wherein this power switch signal utilizes a switch module to control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101452092A CN101191939A (en) | 2006-11-17 | 2006-11-17 | LED display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101452092A CN101191939A (en) | 2006-11-17 | 2006-11-17 | LED display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101191939A true CN101191939A (en) | 2008-06-04 |
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ID=39487016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101452092A Pending CN101191939A (en) | 2006-11-17 | 2006-11-17 | LED display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101191939A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101853633A (en) * | 2010-04-30 | 2010-10-06 | 宇龙计算机通信科技(深圳)有限公司 | Method for realizing breath light at mobile terminal and mobile terminal |
| CN108933898A (en) * | 2013-08-21 | 2018-12-04 | 佳能株式会社 | Photographic device and its control method |
-
2006
- 2006-11-17 CN CNA2006101452092A patent/CN101191939A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101853633A (en) * | 2010-04-30 | 2010-10-06 | 宇龙计算机通信科技(深圳)有限公司 | Method for realizing breath light at mobile terminal and mobile terminal |
| CN108933898A (en) * | 2013-08-21 | 2018-12-04 | 佳能株式会社 | Photographic device and its control method |
| CN108933898B (en) * | 2013-08-21 | 2020-09-11 | 佳能株式会社 | Image pickup apparatus and control method thereof |
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Open date: 20080604 |