Summary of the invention
Technical matters to be solved by this invention is, provide a kind of and can regulate the LED display device automatically according to ambient brightness power and environmental volume size, under the prerequisite that guarantees the better audio visual effect of LED display device, the LED display controller of environmental protection and energy saving, and the LED display device of using this LED display controller more.
Technical scheme of the present invention is as follows: a kind of LED display controller wherein, comprises receiver module, brightness impression unit, brightness adjusting module, volume sensing unit, audio frequency adjusting module and control module; Described receiver module signalization input end is by described signal input part received audio signal and the shows signal that is used to control the external LED luminescence unit; Described brightness impression unit is connected with described brightness adjusting module, the ambient brightness around being used to respond to; Described brightness adjusting module is connected with described receiver module, is used for according to described ambient brightness, generates brightness and adjusts data, adjusts data according to described brightness and adjusts described shows signal; Described volume sensing unit is connected with described audio frequency adjusting module, the environmental volume around being used to respond to; Described audio frequency adjusting module is connected with described receiver module, is used for according to described environmental volume, generates sound and adjusts data, adjusts described sound signal; Described control module is connected with described brightness adjusting module and described audio frequency adjusting module, is used for according to adjusted described shows signal and described sound signal, generates control signal, the LED luminescence unit that control is outside; And described control module also is provided with a sub module stored, is used to store the described control signal that pre-sets.
Described LED display controller, wherein, described brightness impression unit and described volume sensing unit are arranged in the induction module in the lump, and described induction module is connected with described brightness adjusting module, described audio frequency adjusting module respectively.
Described LED display controller, wherein, also comprise at least one sense control switch, described sense control switch is connected with described brightness impression unit, described volume sensing unit, described bright adjusting module, described audio frequency adjusting module respectively, be used to receive the described ambient brightness of described brightness impression unit, start described brightness adjusting module, and start described audio frequency adjusting module according to the described environmental volume of described volume sensing unit.
Described LED display controller, wherein, described brightness impression unit is provided with first gauge tap, be connected with described brightness adjusting module by described first gauge tap, described first gauge tap is used for when described ambient brightness surpasses or is lower than first preset value, transmits described ambient brightness to described brightness adjusting module; Described volume sensing unit is provided with second gauge tap, be connected with described audio frequency adjusting module by described second gauge tap, described second gauge tap is used for when described environmental volume surpasses or is lower than second preset value, transmits described environmental volume to described audio frequency adjusting module.
Described LED display controller, wherein, one entry terminal also is set, is used for importing described first preset value and/or described second preset value, or revises described first preset value and/or described second preset value at LED display controller starting state in LED display controller closed condition.
A kind of LED display device wherein, comprises that above arbitrary described LED display controller and is provided with the display of at least one group of LED luminescence unit.
Described LED display device, wherein, each LED luminescence unit is provided with red LED, green LED and blue led, and LED of all kinds is the LED of same minute gear selecting and adjacent minute gear selecting thereof.
Described LED display device, wherein, each LED luminescence unit is the white light LEDs luminescence unit, and the luminous colour gamut of each LED luminescence unit is identical.
Described LED display device wherein, also comprises a range sensor, and described range sensor is connected with described volume sensing unit, is used for the receiving range transducing signal, starts described audio frequency adjusting module.
Described LED display device, wherein, described LED display controller is fixed on the described LED display device.
Adopt such scheme, the present invention comes induced environment brightness by the brightness impression unit is set in the LED display controller, and according to ambient brightness, generate the display brightness that the adjustment data are adjusted the LED display device by the adjustment of brightness adjusting module, simultaneously, also, the volume sensing unit comes the induced environment volume by being set, and according to environmental volume, generate the demonstration volume that the adjustment data are adjusted the LED display device by the adjustment of audio frequency adjusting module, thereby reach output brightness and the output volume that to adjust the LED display device along with the variation of environment, guaranteed audio visual effect preferably, and, environmental protection and energy saving more.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
As shown in Figure 1, present embodiment provides a kind of LED display controller, described LED display controller is used for controlling the brightness power of each LED luminescence unit of LED display device, make display effects such as each LED luminescence unit realization brightens in the LED display device, deepening, and described LED display controller can also be used to control the volume of LED display device.Described LED display controller can be applied in the display of mobile phone, computer, camera, televisor and electronic reader etc., and, described LED display controller also can directly be used in the LED display, each LED luminescence unit can be used as the back light of each display, can be used for direct display video animation etc.
Described LED display controller is provided with receiver module, brightness impression unit, brightness adjusting module, volume sensing unit, audio frequency adjusting module and control module.
Wherein, described receiver module signalization input end for example, can be accepted control signal by the signalization input interface, and described signal input interface can be DVI interface, netting twine interface etc.; By each circuit described control signal is transferred to described receiver module, and, the shows signal that is used to control the external LED luminescence unit by described signal input part received audio signal and reception, wherein, described sound signal and described shows signal, can be for according to the shown video content of described LED display device, sound signal that analyzes and shows signal.
Wherein, described brightness impression unit can be luminance sensor, and described luminance sensor can be responded to the power of surrounding environment brightness, the build environment brightness value, and described ambient brightness value is dealt into coupled described brightness adjusting module; Described brightness adjusting module, generate brightness according to ambient brightness value and adjust data, and, described brightness adjusting module also receives the described shows signal from described receiver module, after adjusting data and adjust described shows signal according to described brightness, described shows signal is sent to described control module, control the brightness value of each LED luminescence unit in the described LED display device again by described control module, make its brightness value in specific environment, can be fit to the best correlative value that the people watches, saves energy, and display effect is good.
Wherein, described volume sensing unit can be the volume sensor, described volume sensor can be responded to the size of surrounding environment volume, the build environment volume value, and described environmental volume value sent in the coupled described audio frequency adjusting module, described audio frequency adjusting module is according to described environmental volume value, generate sound and adjust data, and, described audio frequency adjusting module also receives the described sound signal from described receiver module, after adjusting data and adjust described sound signal according to described sound, described sound signal according to sending to described control module, is controlled the volume of described LED display device again by described control module, thereby in specific environment, described LED display device can be sent and be fit to the best volume value that the people listens, saves energy, and sound effect is good, wherein, can send the best volume value that suitable people listens by loudspeaker is set.
Wherein, described control module respectively with described brightness adjusting module, and described audio frequency adjusting module is connected, receive the adjusted described shows signal of described brightness adjusting module, and receive the adjusted described sound signal of described audio frequency adjusting module, and, according to described shows signal and described sound signal, generate control signal, and described control signal sent to outside described LED display device, luminosity with each LED luminescence unit of controlling described LED display device, and the output volume of controlling described LED display device, make the described LED display device can be according to the variation of environment, for example, become evening daytime, perhaps fine day becomes the cloudy day, perhaps transfers to the darker place of light from the more intense place of light, and varying environment, the big or small degree of different period ambient sound makes described LED display device reach best audio visual effect.
And, described control module also is provided with a sub module stored, it for example is a storer, can be used for storage and pre-set control signal, when brightness adjusting module or described audio frequency adjusting module break down, perhaps, when described shows signal of needs manual adjustment and described sound signal, can pre-set control signal by what described sub module stored was stored, control described LED display device.
Embodiment 2
As shown in Figure 2, on the basis of above-mentioned each example, in the LED display controller that present embodiment provided, described brightness impression unit and described volume sensing unit are arranged in the induction module in the lump, described induction module respectively with described brightness adjusting module, described audio frequency adjusting module is connected, and, described induction module can also with described brightness adjusting module, and described audio frequency adjusting module is wholely set, and, be fixed on the described LED display device, be used to respond to the brightness of described LED display device surrounding environment, and the volume of surrounding environment, thereby generate described ambient brightness value and described environmental volume value.
And for example, described brightness impression unit and described volume sensing unit also can divide and be arranged, and, be connected with described brightness adjusting module and described audio frequency adjusting module by circuit is corresponding respectively, described brightness impression unit and described volume sensing unit are separately fixed on the described LED display device, be used for responding to respectively the brightness of surrounding environment and the volume of surrounding environment, thereby generate described ambient brightness value and described environmental volume value.
Embodiment 3
As shown in Figure 3, on the basis of above-mentioned each example, in the LED display controller that present embodiment provided, described LED display controller also comprises one or more sense control switches, and described sense control switch is connected with described brightness impression unit, described volume sensing unit, described bright adjusting module, described audio frequency adjusting module respectively.
Described sense control switch receives the described ambient brightness of described brightness impression unit, and the described environmental volume that receives described volume sensing unit, and, when described ambient brightness is higher or lower than a certain fixing default definite value, then start described brightness adjusting module, generate brightness and adjust data, display brightness to each LED luminescence unit in the described LED display device is adjusted, simultaneously, when described environmental volume less than or during greater than a certain fixedly setting value, then start described audio frequency adjusting module, generate volume and adjust data, the demonstration volume of described LED display device is adjusted, make described LED display device reach optimum audio visual effect, and, relative energy savings.
Embodiment 4
As shown in Figure 4, on the basis of above-mentioned each example, in the LED display controller that present embodiment provided, described brightness impression unit is provided with first gauge tap, described first gauge tap, one end is connected with described brightness impression unit, the other end of described first gauge tap is connected with described brightness adjusting module, described ambient brightness surpasses or when being lower than first preset value, then described first gauge tap induction, and connect the path of described brightness impression unit and described brightness adjusting module, described ambient brightness is transferred to described brightness adjusting module, described brightness adjusting module is according to described ambient brightness, generate brightness and adjust data, adjust the brightness of described each LED luminescence unit of LED display device.
And, described volume sensing unit is provided with second gauge tap, described second gauge tap, one end is connected with described volume sensing unit, the other end of described second gauge tap is connected with described audio frequency adjusting module, when described environmental volume surpasses or is lower than second preset value, then described second gauge tap induction, and connect path between described volume sensing unit and the described audio frequency adjusting module, described environmental volume is transferred to described audio frequency adjusting module, described Audio Control Module is according to described environmental volume, generate volume and adjust data, adjust the volume of described LED display device.
For example, described brightness impression unit is provided with first gauge tap, be connected with described brightness adjusting module by described first gauge tap, described first gauge tap is used for when described ambient brightness surpasses first preset value, transmits described ambient brightness to described brightness adjusting module; Described volume sensing unit is provided with second gauge tap, be connected with described audio frequency adjusting module by described second gauge tap, described second gauge tap is used for when described environmental volume surpasses second preset value, transmits described environmental volume to described audio frequency adjusting module.
And for example, described brightness impression unit is provided with first gauge tap, be connected with described brightness adjusting module by described first gauge tap, described first gauge tap is used for when described ambient brightness is lower than first preset value, transmits described ambient brightness to described brightness adjusting module; Described volume sensing unit is provided with second gauge tap, be connected with described audio frequency adjusting module by described second gauge tap, described second gauge tap is used for when described environmental volume is lower than second preset value, transmits described environmental volume to described audio frequency adjusting module.
And for example, in the described LED display controller, also be provided with an entry terminal, described entry terminal is used to import above described first preset value or is used to import described second preset value or is used to import described first preset value and described second preset value, wherein, when each setting value of input, described LED display controller can be closed condition, also can be starting state; So, can be according to the comfort level difference of different people to the induction of light power and sound size, adjust described first preset value and second preset value, thereby adjust the light intensity and the sound size of described LED display device, make different people enjoy joyful audio visual effect according to the wish of oneself.
Embodiment 5
As shown in Figure 5, on the basis of above-mentioned each example, present embodiment provides a kind of LED display device, described LED display device comprises a described LED display controller 502 of above arbitrary embodiment and a display 503, described display 503 is provided with one or more groups LED luminescence unit 501, described display 503 can be applied to the display screen of TV, computer, camera, e-book etc., then respectively organize LED luminescence unit 501 as back light, described display 503 also can be LED display, and each organizes LED luminescence unit 501 can be applied to the display video animation.。
And each LED luminescence unit is provided with red LED, green LED and blue led, and three-color LED is set, and can make each LED luminescence unit send versicolor light by control.
And, LED of all kinds is the LED of same minute gear selecting and adjacent minute gear selecting thereof, promptly all red LED adopts the LED of and adjacent minute gear selecting, and all green LED adopt the LED of and adjacent minute gear selecting, and all blue leds also adopt the LED of and adjacent minute gear selecting; For example, select the LED of A branch gear selecting or the LED that A branch gear selecting and A+1 branch gear selecting are selected in selection or the LED that selects A branch gear selecting and A-1 branch gear selecting or selection A branch gear selecting, A+1 branch gear selecting and A-1 to divide the LED of gear selecting.
In process of production, according to the material difference of LED wafer, can make the LED of different colours, the LED of different colours is produced respectively in batches, and, can adopt identical encapsulation, be made into identical shaped and big or small LED pipe, adopt beam split color scanner to carry out stepping each LED of same color, promptly can obtain the LED of different class of all kinds.
Because LED of all kinds adopts identical and adjacent branch gear selecting respectively, therefore, the brightness unanimity of the LED of same color, consistent wavelength, encapsulation is identical, shape is identical and big or small identical; Described consistent wavelength refers to, and the color that each LED people's in a certain wavelength coverage naked eyes are seen is identical, promptly can think the consistent wavelength of all LED in wavelength coverage.
By adopting each LED of same minute gear selecting and adjacent one, two or more minutes gear selectings thereof, described respectively to organize the LED luminescence unit luminous evenly, and luminous display effect is good.
Embodiment 6
On the basis of above-mentioned each example, in the LED display device that present embodiment provided, each LED luminescence unit is the white light LEDs luminescence unit, and the luminous colour gamut of each LED luminescence unit is identical.
By adjusting the brightness of LED of all kinds in each LED luminescence unit, can obtain the white light LEDs luminescence unit, and, by adjusting LED of all kinds in each LED unit, the brightness ratio of promptly red, blue, green LED, can obtain different colour gamuts, therefore, the luminous colour gamut of each LED luminescence unit is adjusted into identical, has eliminated the demonstration difference between the LED luminescence unit, thereby make the whole homogeneous that shows of LED display device, display effect is good.
Embodiment 7
On the basis of above-mentioned each example, the LED display device that present embodiment provided also comprises a range sensor, and described range sensor is used for distance reception apart from passing transducing signal.
And, described range sensor is connected with described volume sensing unit, by the receiving range transducing signal, starts described audio frequency adjusting module, for example, described LED display device is a mobile phone display screen, and described range sensor receives incoming telephone signal, and, start described audio frequency adjusting module, adjust the sound of mobile phone by described audio frequency adjusting module, make conversation sound can reach optimal volume value, thereby kept the sharpness of conversation sound.
And described LED display controller is fixed on the described LED display device, is wholely set with described LED display device, can make things convenient for the installation of described LED display device and moves.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.