CN208157018U - Micro-L ED display system - Google Patents
Micro-L ED display system Download PDFInfo
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- CN208157018U CN208157018U CN201820537189.1U CN201820537189U CN208157018U CN 208157018 U CN208157018 U CN 208157018U CN 201820537189 U CN201820537189 U CN 201820537189U CN 208157018 U CN208157018 U CN 208157018U
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Abstract
The utility model discloses a Micro-L ED display system this Micro-L ED display system includes the control unit, the detecting element, drive unit and display panel, the display panel includes a plurality of Micro-L ED that the array was arranged, the output of detecting element is connected with the input electricity of the control unit, the output of the control unit is connected with the input electricity of drive unit, the output of drive unit is connected with Micro-L ED's positive pole electricity, the detecting element is used for acquireing external environment parameter, the control unit is arranged in adjusting the display panel according to external environment parameter a plurality of Micro-L ED's that the array was arranged luminance or tone, thereby realize that Micro-L ED display system realizes display panel's intelligent dimming mixing of colors according to external environment parameter, the practicality of intelligent dimming mixing of colors system at display panel has been improved, not only energy-conservation, and make people have the enjoyment on the sense organ.
Description
Technical field
The utility model embodiment is related to field of display technology more particularly to a kind of Micro-LED display system.
Background technique
Micro-led (Micro Light-Emitting Diode, Micro-LED) display panel has superelevation
Pixel number, super-resolution degree, low energy consumption, and the feature of service life length, it is very strong that these features have Micro-LED display panel
Competitiveness.
The focus of all kinds of Micro-LED display panels currently on the market is mainly the brightness and its parsing for showing screen
Rate.But under different external environments, the image quality of Micro-LED display panel will receive influence.For example, with open air
For the Micro-LED large screen for showing advertisement, under the strong light during the day, if brightness is inadequate, the quality of picture can degradation；
It has arrived at night, or the cloudy day, and has caused light pollution because the brightness of screen is too big, be unfavorable for the health but also expense of human eye
Electricity.
Utility model content
The utility model provides a kind of Micro-LED display system, to realize that the intelligence to Micro-LED display panel is adjusted
Light toning, and the condition that Micro-LED display panel realizes intelligent dimming toning is reduced, improve intelligent dimming tinting system
It is not only energy saving in the practicability of Micro-LED display panel, but also make people that there is the enjoyment on sense organ.
In a first aspect, the utility model embodiment provides a kind of Micro-LED display system, including control unit, inspection
Surveying unit, driving unit and display panel, the display panel includes multiple Micro-LED of array arrangement；
The output end of the detection unit is electrically connected with the input terminal of described control unit, the output end of described control unit
It is electrically connected with the input terminal of the driving unit, the output end of the driving unit is electrically connected with the anode of the Micro-LED；
The detection unit is for obtaining external environment parameters；
Described control unit is used to adjust the multiple of array arrangement in the display panel according to the external environment parameters
The brightness of Micro-LED or tone.
Specifically, the detection unit includes luminance detection subelement；
The luminance detection subelement is used to obtain the brightness of external environment；
Described control unit is used to control the more of array arrangement in the display panel according to the brightness of the external environment
The driving voltage of a Micro-LED, to adjust the brightness of multiple Micro-LED of array arrangement in the display panel.
Specifically, described control unit is used to control array in the display panel according to the brightness of the external environment and arrange
The driving voltage of multiple Micro-LED of cloth, to adjust the bright of multiple Micro-LED of array arrangement in the display panel
Degree, including：
Described control unit is stored with the corresponding relationship of the brightness of external environment and the driving voltage of Micro-LED；
Described control unit searches the driving voltage of the corresponding Micro-LED of brightness of the current external environment, and
The driving voltage of multiple Micro-LED of array arrangement in the display panel is adjusted to the bright of the current external environment
The driving voltage of corresponding Micro-LED is spent, to adjust the bright of multiple Micro-LED of array arrangement in the display panel
Degree.
Specifically, described control unit is used to control array in the display panel according to the brightness of the external environment and arrange
The driving voltage of multiple Micro-LED of cloth, to adjust the bright of multiple Micro-LED of array arrangement in the display panel
Degree, including：
When the brightness of the external environment is greater than first threshold, described control unit increases array in the display panel
The driving voltage of multiple Micro-LED of arrangement, to increase the bright of multiple Micro-LED of array arrangement in the display panel
Degree；
When the brightness of the external environment is less than second threshold, described control unit reduces array in the display panel
The driving voltage of multiple Micro-LED of arrangement, to reduce the bright of multiple Micro-LED of array arrangement in the display panel
Degree.
Specifically, the detection unit includes luminance detection subelement；
The luminance detection subelement is used to obtain the brightness of external environment；
Described control unit is used to control the more of array arrangement in the display panel according to the brightness of the external environment
Duty ratio of a Micro-LED in a pixel period, to adjust multiple Micro- of array arrangement in the display panel
The brightness of LED.
Specifically, described control unit is used to control array in the display panel according to the brightness of the external environment and arrange
Duty ratio of the multiple Micro-LED of cloth in a pixel period, to adjust the multiple of array arrangement in the display panel
The brightness of Micro-LED, including：
Described control unit is stored with the duty ratio of the brightness and Micro-LED of external environment in a pixel period
Corresponding relationship；
Described control unit searches the corresponding Micro-LED of brightness of the current external environment in a pixel period
In duty ratio, and the duty ratio by multiple Micro-LED of array arrangement in the display panel in a pixel period
It is adjusted to duty ratio of the corresponding Micro-LED of brightness of the current external environment in a pixel period, to adjust
The brightness of multiple Micro-LED of array arrangement in the display panel.
Specifically, described control unit is used to control array in the display panel according to the brightness of the external environment and arrange
Duty ratio of the multiple Micro-LED of cloth in a pixel period, to adjust the multiple of array arrangement in the display panel
The brightness of Micro-LED, including：
When the brightness of the external environment is greater than third threshold value, described control unit increases array in the display panel
Duty ratio of multiple Micro-LED in a pixel period of arrangement, to increase the more of array arrangement in the display panel
The brightness of a Micro-LED；
When the brightness of the external environment is less than four threshold values, described control unit reduces array in the display panel
Duty ratio of multiple Micro-LED in a pixel period of arrangement, to reduce the more of array arrangement in the display panel
The brightness of a Micro-LED.
Specifically, the detection unit includes temperature detection subelement；Each Micro-LED includes red sub-pixel
Unit, green sub-pixels unit and blue subpixels unit；
The temperature detection subelement is used to obtain the temperature of external environment；
Described control unit is described red in the Micro-LED for being controlled respectively according to the temperature of the external environment
Sub-pixels unit, the green sub-pixels unit and the blue subpixels unit turn-on time in a pixel period,
To adjust the tone of multiple Micro-LED of array arrangement in the display panel.
Specifically, described control unit for controlling in the Micro-LED respectively according to the temperature of the external environment
The red sub-pixel unit, the green sub-pixels unit and the blue subpixels unit led in a pixel period
The logical time, including：
The temperature and the red sub-pixel list in the Micro-LED that described control unit is stored with external environment
The corresponding relationship of first, the described green sub-pixels unit and the blue subpixels unit turn-on time in a pixel period；
Described control unit searches the red son in the corresponding Micro-LED of temperature of the current external environment
Pixel unit, the green sub-pixels unit and the blue subpixels unit turn-on time in a pixel period, and will
The red sub-pixel unit, the green sub-pixels list in the display panel in multiple Micro-LED of array arrangement
First and described blue subpixels unit turn-on time in a pixel period is adjusted to the temperature of the current external environment
The red sub-pixel unit, the green sub-pixels unit and the blue subpixels unit in corresponding Micro-LED
The turn-on time in a pixel period, to adjust the tone of multiple Micro-LED of array arrangement in the display panel.
Specifically, described control unit for controlling in the Micro-LED respectively according to the temperature of the external environment
The red sub-pixel unit, the green sub-pixels unit and the blue subpixels unit led in a pixel period
The logical time, including：
When the temperature of the external environment is greater than five threshold values, described control unit is controlled in the Micro-LED
Blue subpixels unit turn-on time in a pixel period is greater than the red sub-pixel unit a pixel week
Interim turn-on time, and it is greater than green sub-pixels unit turn-on time in a pixel period；
When the temperature of the external environment is less than six threshold values, described control unit is controlled in the Micro-LED
Red sub-pixel unit turn-on time in a pixel period is greater than the blue subpixels unit a pixel week
Interim turn-on time, and it is greater than green sub-pixels unit turn-on time in a pixel period.
The utility model obtains external environment parameters by detection unit, and forms electric signal transmission to control unit, control
Unit processed according to electric signal control driving unit adjust display panel in array arrangement multiple Micro-LED light emission luminance and
Tone improves to realize that Micro-LED display system realizes that the intelligent dimming of display panel is mixed colours according to external environment parameters
Practicability of the intelligent dimming tinting system in display panel, it is not only energy saving, but also make people that there is the enjoyment on sense organ.Separately
Outside, the display panel that the integration of Micro-LED display system can reduce traditional driving circuit driving realizes intelligent dimming
The difficulty of toning.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of Micro-LED display system provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of another kind Micro-LED display system provided by the embodiment of the utility model；
Fig. 3 is another kind Micro-LED display system provided by the embodiment of the utility model；
Fig. 4 is another kind Micro-LED display system provided by the embodiment of the utility model；
Fig. 5 is red sub-pixel unit in a kind of Micro-LED provided by the embodiment of the utility model, green sub-pixels
Unit and blue subpixels unit the turn-on time schematic diagram in a pixel period；
Fig. 6 is red sub-pixel unit, the sub- picture of green in another kind Micro-LED provided by the embodiment of the utility model
Plain unit and blue subpixels unit the turn-on time schematic diagram in a pixel period；
Fig. 7 is another kind Micro-LED display system provided by the embodiment of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.
Fig. 1 is a kind of structural schematic diagram of Micro-LED display system provided by the embodiment of the utility model, the present embodiment
It is applicable to the case where Micro-LED display panel needs intelligent dimming to mix colours.The Micro-LED display system includes that control is single
Member 110, detection unit 120, driving unit 140 and display panel 130, display panel 130 include the multiple of array arrangement
Micro-LED131；The output end of detection unit 120 is electrically connected with the input terminal of control unit 110, the output of control unit 110
End is electrically connected with the input terminal of driving unit 140, and the output end of driving unit 140 is electrically connected with the anode of Micro-LED131；
Detection unit 120 is for obtaining external environment parameters；Control unit 110 is used to adjust display panel according to external environment parameters
The brightness of multiple Micro-LED131 of array arrangement or tone in 130.
As shown in Figure 1, driving unit 140 includes multiple output ends, each output end connects the multiple of column array arrangement
Micro-LED131, driving unit 140 can be controlled separately a column Micro-LED131 of different output ends connection it is luminous when
Between and the driving voltage for driving Micro-LED131 luminous, for control the Micro-LED131 light emission luminance of a column with
Tone.
Specifically, detection unit 120 detects external environment parameters, such as the temperature and brightness of detection external environment, and will
External environment parameters are converted into electric signal transmission to control unit 110.Electric signal can be digital signal, be also possible to simulation letter
Number.Control unit 110 is calculated and compared after receiving the electric signals of external environment parameters, is formed according to external environment parameters
Electric signal control driving unit 140 drive display panel 130 in array arrangement multiple Micro-LED131 light emission luminance and
Shine tone.Illustratively, detection unit 120 detects ambient temperature parameter, when ambient temperature is relatively high, control
The electric signal control driving unit 140 that unit 110 is formed according to ambient temperature parameter drives array in display panel 130 to arrange
The illuminant colour tuningout cool colour of multiple Micro-LED131 of cloth, makes display panel 130 bring the refrigerant impression of people.Work as the external world
When environment temperature is relatively low, control unit 110 then controls the illuminant colour tuningout warm colour that driving unit 140 drives Micro-LED131
System, to the feeling that people are warm.Alternatively, detection unit 120 detects external environment luminance parameter, when external environment brightness is relatively high
When, control unit 110 controls driving unit 140 and the light emission luminance of Micro-LED131 is driven to improve, to improve display panel
130 resolution factor, when external environment brightness is relatively low, control unit 110 controls driving unit 140 and drives Micro-LED131
Light emission luminance reduce, avoid light pollution problem, not only protect the eyes of people, but also can be with using electricity wisely.
It should be noted that display panel is illustratively arranged for passive addressing driving, i.e., column each in array in Fig. 1
The anode of Micro-LED is connected to column scan line, while the cathode of the Micro-LED of every a line is connected to horizontal scanning line.When
When a certain specific Y column scan line and X horizontal scanning line are strobed, the Micro-LED of crosspoint (X, Y) i.e. can quilt
It lights.Entire screen carries out high speed point by point scanning in this way and display picture can be realized.In other embodiments mode, show
Show that panel can also be that active location drives.It is driven if active location, driving unit includes multiple driving circuits, each
Micro-LED has corresponding self-powered circuit, i.e., each corresponding Micro-LED of driving circuit.
It should be noted that the various pieces of Micro-LED display system can integrate on a display panel, one is realized
Change, traditional display is driven when so as to avoid the intelligent dimming toning for realizing display panel in traditional display driver circuit
Dynamic circuit carries out complicated change, so that the display panel for reducing traditional driving circuit driving realizes intelligent dimming toning
Condition.
The technical solution of the present embodiment obtains external environment parameters by detection unit, and forms electric signal transmission to control
Unit processed, control unit control driving unit according to electric signal and adjust multiple Micro-LED of array arrangement in display panel
Light emission luminance and tone, to realize that Micro-LED display system realizes that the intelligence of display panel is adjusted according to external environment parameters
Light toning improves intelligent dimming tinting system in the practicability of display panel, not only energy conservation, but also has people on sense organ
Enjoyment.In addition, the display panel that the integration of Micro-LED display system can reduce traditional driving circuit driving is realized
The difficulty of intelligent dimming toning.
Fig. 2 is the structural schematic diagram of another kind Micro-LED display system provided by the embodiment of the utility model, such as Fig. 2
Shown, detection unit 120 includes luminance detection subelement 121；Luminance detection subelement 121 is for obtaining the bright of external environment
Degree；Control unit 110 is used to control the display panel multiple Micro- of array arrangement in 130 according to the brightness of external environment
The driving voltage of LED131, to adjust the brightness of multiple Micro-LED131 of array arrangement in display panel 130.
Optionally, the brightness of external environment and the driving voltage of Micro-LED can be stored in advance in control unit 110
Corresponding relationship.Such as a storage device can be set in a control unit, by the drive of the brightness of external environment and Micro-LED
The corresponding relationship storage of dynamic voltage is in the storage device.The brightness of the external environment according to the pre-stored data of control unit 110 with
The corresponding relationship of the driving voltage of Micro-LED searches the brightness for the current external environment that luminance detection subelement 121 detects
The driving voltage of corresponding Micro-LED.Then control unit 110 is by multiple Micro-LED of array arrangement in display panel
Driving voltage be adjusted to current external environment the corresponding Micro-LED of brightness driving voltage.The size of driving voltage
It is positively correlated with by the current value of Micro-LED131, and the electric current in Micro-LED131 determines the hair of Micro-LED131
Brightness.Therefore by the light emission luminance of the adjustable Micro-LED131 of value of control driving voltage, by adjusting driving electricity
Pressure makes the light emission luminance of Micro-LED131 be adjusted to the degree being adapted with external environment brightness.The present embodiment can show root
Adjust the effect of the brightness of multiple Micro-LED of array arrangement in display panel in real time according to the brightness of external environment.
Optionally, control unit can also realize the adjusting of the brightness to Micro-LED by way of threshold value comparison.Control
The brightness of external environment is compared by unit processed with preset threshold value, when the brightness of external environment is greater than first threshold, is said
The brightness of bright external environment is higher, and ambient is stronger, and at this moment control unit can increase the more of array arrangement in display panel
The driving voltage of a Micro-LED, to increase the brightness of multiple Micro-LED of array arrangement in display panel, to improve
The image display quality of display panel.When the brightness of external environment is less than second threshold, illustrate that the brightness of external environment is lower,
Ambient is weaker, such as the case where cloudy day or evening, at this moment control unit can reduce array arrangement in display panel
The driving voltage of multiple Micro-LED, to reduce the brightness of multiple Micro-LED of array arrangement in display panel, avoid because
Brightness for screen is too big and causes light pollution, is unfavorable for the healthy and power-consuming problem of human eye.
The technical solution of the present embodiment, by luminance detection subelement obtain external environment brightness, control unit according to
The driving voltage of the brightness regulation Micro-LED of external environment, to adjust the brightness of Micro-LED to reach and external environment
The adaptable degree of brightness, both may be implemented external environment brightness it is relatively high when improve the brightness of Micro-LED to improve
The resolution factor of display panel, but when brightness that external environment may be implemented is relatively low, reduces the brightness of Micro-LED to avoid light
Pollution, not only can protect the eyes of people, and can be with using electricity wisely.
Fig. 3 is another kind Micro-LED display system provided by the embodiment of the utility model, as shown in figure 3, driving unit
140 may include multiple driving transistor T1, and the first pole of driving transistor T1 is connect with drive voltage line, for inputting driving
Voltage, the second pole are electrically connected with the anode of Micro-LED131, and grid carries out luminous for input control Micro-LED131
Data voltage Vdata.
With continued reference to Fig. 2 and Fig. 3, in other embodiments, control unit 110 be can be also used for according to external environment
Brightness controls the display panel multiple micro-led 131 duty ratio in a pixel period of array arrangement in 130,
To adjust the brightness of multiple Micro-LED131 of array arrangement in display panel 130.It can be modulated using pulse width
(Pulse Width Modulation, PWM) control method controls driving voltage, to control Micro-LED131 in a picture
Duty ratio in the plain period, to adjust the light emission luminance of Micro-LED131.Illustratively, in a pixel period, pass through
The duty ratio that PWM control method controls driving voltage is 100%, so that the duty ratio of Micro-LED131 is also 100%,
The light emission luminance of Micro-LED131 is most bright, when the duty ratio of driving voltage is 50%, then the duty ratio of Micro-LED131
Light emission luminance for 50%, Micro-LED131 be duty ratio be 100% when half, reduce Micro-LED131 shine
Brightness.The power supply for providing driving voltage can be constant-current source or constant pressure source, control constant-current source or constant pressure source using PWM control method
The duty ratio of output voltage in a pixel period, to realize the light emission luminance for adjusting Micro-LED131.
Optionally, the brightness that can store external environment in a control unit in advance and Micro-LED are a pixel week
The corresponding relationship of interim duty ratio.Such as a storage device can be set in a control unit, by the brightness of external environment with
The corresponding relationship storage of duty ratio of the Micro-LED in a pixel period is in the storage device.Control unit is according to the external world
The corresponding relationship of duty ratio of the brightness and Micro-LED of environment in a pixel period searches the inspection of luminance detection subelement
Duty ratio of the corresponding Micro-LED of brightness in a pixel period for the current external environment surveyed, and by display panel
Duty ratio of the multiple Micro-LED of middle array arrangement in a pixel period is adjusted to the brightness pair of current external environment
Duty ratio of the Micro-LED answered in a pixel period, to adjust the multiple of array arrangement in the display panel
The brightness of Micro-LED.The present embodiment can make Micro- by adjusting duty ratio of the Micro-LED in a pixel period
The light emission luminance of LED131 is adjusted to the degree being adapted with external environment brightness.The present embodiment may be implemented according to external environment
Brightness adjust the effect of the brightness of multiple Micro-LED of array arrangement in display panel in real time.
Optionally, control unit can also be when the brightness of external environment be greater than third threshold value, by increasing display panel
Duty ratio of the multiple Micro-LED of middle array arrangement in a pixel period is realized and increases array arrangement in display panel
Multiple Micro-LED brightness effect；When the brightness of external environment is less than four threshold values, by reducing in display panel
Duty ratio of the multiple Micro-LED of array arrangement in a pixel period, realizing reduces array arrangement in display panel
The effect of the brightness of multiple Micro-LED.
The brightness of external environment is compared by control unit with preset threshold value, is greater than third in the brightness of external environment
When threshold value, illustrate that the brightness of external environment is higher, ambient is stronger, and at this moment control unit can increase array in display panel
Duty ratio of multiple Micro-LED in a pixel period of arrangement, to increase the multiple of array arrangement in display panel
The brightness of Micro-LED, to improve the image display quality of display panel.External environment brightness less than the 4th threshold value
When, illustrate that the brightness of external environment is lower, ambient is weaker, such as the case where cloudy day or evening, at this moment control unit can
To reduce duty ratio of the multiple Micro-LED of array arrangement in display panel in a pixel period, to reduce display surface
The brightness of multiple Micro-LED of array arrangement in plate avoids causing light pollution because the brightness of screen is too big, is unfavorable for people
The healthy and power-consuming problem of eye.
Based on the above technical solution, luminance detection subelement 121 can be illuminance transducer, be sensed by illumination
The brightness transition of external environment can be transferred to control unit 110 at electric signal by device, realize the brightness of detection external environment
Effect.
Fig. 4 is another kind Micro-LED display system provided by the embodiment of the utility model, and the present embodiment is in above-mentioned each reality
On the basis of applying example, detection unit 120 includes temperature detection subelement 122；Each Micro-LED131 includes red sub-pixel
Unit 1311, green sub-pixels unit 1312 and blue subpixels unit 1313；Temperature detection subelement 122 is for obtaining the external world
The temperature of environment；Control unit 110 is used to control the sub- picture of red in Micro-LED131 respectively according to the temperature of external environment
Plain unit 1311, green sub-pixels unit 1312 and blue subpixels unit 1313 turn-on time in a pixel period, with
Adjust the tone of multiple Micro-LED131 of array arrangement in display panel 130.
Specifically, red sub-pixel unit 1311 can be the Micro-LED to glow, and green sub-pixels unit 1312 can
To be the Micro-LED of green light, blue subpixels unit 1313 can be the Micro-LED of blue light-emitting, glow, green light and
Three Micro-LED of blue light form Micro-LED131, control unit 110Micro-LED glowed by control, green light and
Fluorescent lifetime of three Micro-LED of blue light in a pixel period may be implemented to adjust shining for Micro-LED131
Tone.
In addition, the corresponding Micro-LED131 of three driving transistor T1 in driving unit 140, three driving crystal
The second pole of pipe T1 respectively correspond glow, the anode of three Micro-LED of green light and blue light, control glows, is green respectively
Fluorescent lifetime of three Micro-LED of light and blue light in a pixel period.It glows, three of green light and blue light
The turn-on time of the corresponding driving transistor T1 of fluorescent lifetime of the Micro-LED in a pixel period is equal.Therefore,
Control glows, the fluorescent lifetime in a pixel period of three Micro-LED of green light and blue light can pass through control
The turn-on time of corresponding driving transistor T1 is realized.
Optionally, can in advance control unit storage external environment temperature and Micro-LED in red sub-pixel
The corresponding relationship of unit, green sub-pixels unit and blue subpixels the unit turn-on time in a pixel period.Control is single
Member is according to red sub-pixel unit, green sub-pixels unit and the blue subpixels in the temperature and Micro-LED of external environment
The corresponding relationship of unit turn-on time in a pixel period searches the corresponding Micro- of temperature of current external environment
Red sub-pixel unit, green sub-pixels unit and blue subpixels unit in the LED turn-on time in a pixel period,
And by red sub-pixel unit, green sub-pixels unit and the blue in multiple Micro-LED of array arrangement in display panel
Sub-pixel unit turn-on time in a pixel period is adjusted in the corresponding Micro-LED of temperature of current external environment
Red sub-pixel unit, green sub-pixels unit and blue subpixels unit in a pixel period turn-on time, with adjust
Save the tone of multiple Micro-LED of array arrangement in display panel.The present embodiment can show the temperature according to external environment
The effect of the tone of multiple Micro-LED of array arrangement in display panel is adjusted in real time.
Fig. 5 is red sub-pixel unit in a kind of Micro-LED provided by the embodiment of the utility model, green sub-pixels
Unit and blue subpixels unit the turn-on time schematic diagram in a pixel period, Fig. 6 are that the utility model embodiment provides
Another Micro-LED in red sub-pixel unit, green sub-pixels unit and blue subpixels unit in a pixel
Turn-on time schematic diagram in period.As shown in Figure 5 and Figure 6, in a pixel period T, red sub-pixel unit R, green
Pixel unit G and blue subpixels unit B carry out at times it is luminous, it is red sub-pixel unit R, green in a pixel period T
Sub-pixels unit G and the turn-on time of blue subpixels unit B are respectively t1, t2 and t3, by adjusting red sub-pixel list
Fluorescent lifetime t1, t2 and t3 of first R, green sub-pixels unit G and blue subpixels unit B, to form Micro-LED difference
Tone.By taking Fig. 5 as an example, the fluorescent lifetime of red sub-pixel unit R, green sub-pixels unit G and blue subpixels unit B
T1, t2 and t3 are respectively the one third of a pixel period T, at this time red sub-pixel unit R, green sub-pixels unit G and
The light that the Micro-LED that blue subpixels unit B is formed is issued is the first tone.When changing, red sub-pixel unit R, green are sub
When turn-on time in a pixel period T of pixel unit G and blue subpixels unit B, as shown in fig. 6, red sub-pixel
The turn-on time t1 of unit R becomes larger, and the turn-on time t2 and t3 of green sub-pixels unit G and blue subpixels unit B become smaller, then
The light that Micro-LED is issued is the second tone, and the second tone warm colour more inclined than the color of the first tone.It is possible thereby to pass through tune
The turn-on time of whole red sub-pixel unit R, green sub-pixels unit G and blue subpixels unit B in a pixel period T
T1, t2 and t3 realize the adjusting of the tone of Micro-LED.
Optionally, control unit can also realize the adjusting to the tone of Micro-LED by way of threshold value comparison.Control
The temperature of external environment is compared by unit processed with preset threshold value, when the temperature of external environment is greater than five threshold values, is said
The temperature of bright external environment is higher, and at this moment control unit can control the blue subpixels unit in Micro-LED in a picture
Turn-on time is greater than red sub-pixel unit turn-on time in a pixel period in the plain period, and is greater than green sub-pixels list
Member turn-on time in a pixel period.That is the blue subpixels unit in control unit control Micro-LED is in a picture
Turn-on time in the plain period increases, to adjust the tone of Micro-LED, deviates it to cool colour, refrigerant pleasant to people
Visual effect.When the temperature of external environment is less than six threshold values, illustrate that the temperature of external environment is lower, at this moment control unit
It can control the turn-on time in a pixel period of the red sub-pixel unit in Micro-LED and be greater than blue subpixels unit
The turn-on time in a pixel period, and it is greater than green sub-pixels unit turn-on time in a pixel period.Control
Unit controls turn-on time of the red sub-pixel unit in a pixel period in Micro-LED and increases, to adjust
The tone of Micro-LED deviates it to warm colour, gives the cosy visual effect of people.
The technical solution of the present embodiment, by temperature detection subelement obtain external environment temperature, control unit according to
The temperature of external environment adjusts red sub-pixel unit in Micro-LED, green sub-pixels unit and blue subpixels unit
Turn-on time makes Micro-LED issue different tones at different temperature to adjust the luminous tone of Micro-LED
Light realizes that the tone of Micro-LED sending light gives the effect of visual enjoyment.
Based on the above technical solution, temperature detection subelement can be temperature sensor, pass through temperature sensor
The temperature transition of external environment can be transferred to control unit at electric signal, realize the effect of the temperature of detection external environment.
It should be noted that Fig. 2 is illustratively provided with luminance detection subelement 121 in detection unit 120, to examine
Survey the brightness of external environment；Fig. 4 is illustratively provided with temperature detection subelement 122 in detection unit 120, outer to detect
The temperature of boundary's environment.The utility model also provides a kind of embodiment, and detection unit can also include luminance detection subelement and temperature
Detection sub-unit is spent, can detect the ambient humidity, light and temperature of external environment simultaneously, control unit is according to the ambient humidity, light and temperature of external environment
Adjust the brightness of multiple Micro-LED of array arrangement and tone in display panel.
It should be noted that in the various embodiments described above, first threshold, second threshold, third threshold value, the 4th threshold value, the 5th
The specific value of threshold value and the 6th threshold value can adapt to adjust according to the actual situation, the utility model to the numerical value of each threshold value not
It is specifically limited.
Fig. 7 is another kind Micro-LED display system provided by the embodiment of the utility model, in the base of the various embodiments described above
On plinth, which further includes server 150, server 150 and the wired or wireless connection of control unit 110,
So as to so that control unit 110 receives teleinstruction setting, realization communication control under connected state.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (10)
1. a kind of Micro-LED display system, which is characterized in that including control unit, detection unit, driving unit and display surface
Plate, the display panel include multiple Micro-LED of array arrangement；
The output end of the detection unit is electrically connected with the input terminal of described control unit, the output end of described control unit and institute
The input terminal electrical connection of driving unit is stated, the output end of the driving unit is electrically connected with the anode of the Micro-LED；
The detection unit is for obtaining external environment parameters；
Described control unit is used to adjust the multiple of array arrangement in the display panel according to the external environment parameters
The brightness of Micro-LED or tone.
2. Micro-LED display system according to claim 1, which is characterized in that the detection unit includes illumination inspection
Survey subelement；
The luminance detection subelement is used to obtain the brightness of external environment；
Described control unit is used to control the multiple of array arrangement in the display panel according to the brightness of the external environment
The driving voltage of Micro-LED, to adjust the brightness of multiple Micro-LED of array arrangement in the display panel.
3. Micro-LED display system according to claim 2, which is characterized in that described control unit is used for according to institute
The brightness for stating external environment controls the driving voltage of multiple Micro-LED of array arrangement in the display panel, to adjust
The brightness of multiple Micro-LED of array arrangement in display panel is stated, including：
Described control unit is stored with the corresponding relationship of the brightness of external environment and the driving voltage of Micro-LED；
Described control unit searches the driving voltage of the corresponding Micro-LED of brightness of the current external environment, and by institute
The driving voltage for stating multiple Micro-LED of array arrangement in display panel is adjusted to the brightness pair of the current external environment
The driving voltage of the Micro-LED answered, to adjust the brightness of multiple Micro-LED of array arrangement in the display panel.
4. Micro-LED display system according to claim 2, which is characterized in that described control unit is used for according to institute
The brightness for stating external environment controls the driving voltage of multiple Micro-LED of array arrangement in the display panel, to adjust
The brightness of multiple Micro-LED of array arrangement in display panel is stated, including：
When the brightness of the external environment is greater than first threshold, described control unit increases array arrangement in the display panel
Multiple Micro-LED driving voltage, to increase the brightness of multiple Micro-LED of array arrangement in the display panel；
When the brightness of the external environment is less than second threshold, described control unit reduces array arrangement in the display panel
Multiple Micro-LED driving voltage, to reduce the brightness of multiple Micro-LED of array arrangement in the display panel.
5. Micro-LED display system according to claim 1, which is characterized in that the detection unit includes illumination inspection
Survey subelement；
The luminance detection subelement is used to obtain the brightness of external environment；
Described control unit is used to control the multiple of array arrangement in the display panel according to the brightness of the external environment
Duty ratio of the Micro-LED in a pixel period, to adjust multiple Micro-LED of array arrangement in the display panel
Brightness.
6. Micro-LED display system according to claim 5, which is characterized in that described control unit is used for according to institute
The brightness for stating external environment controls multiple Micro-LED accounting in a pixel period of array arrangement in the display panel
Empty ratio, to adjust the brightness of multiple Micro-LED of array arrangement in the display panel, including：
Described control unit is stored with the corresponding of duty ratio of the brightness of external environment with Micro-LED in a pixel period
Relationship；
Described control unit searches the corresponding Micro-LED of brightness of the current external environment in a pixel period
Duty ratio, and duty ratio of the multiple Micro-LED of array arrangement in the display panel in a pixel period is adjusted
For duty ratio of the corresponding Micro-LED of brightness in a pixel period of the current external environment, described in adjusting
The brightness of multiple Micro-LED of array arrangement in display panel.
7. Micro-LED display system according to claim 5, which is characterized in that described control unit is used for according to institute
The brightness for stating external environment controls multiple Micro-LED accounting in a pixel period of array arrangement in the display panel
Empty ratio, to adjust the brightness of multiple Micro-LED of array arrangement in the display panel, including：
When the brightness of the external environment is greater than third threshold value, described control unit increases array arrangement in the display panel
Duty ratio of multiple Micro-LED in a pixel period, to increase the multiple of array arrangement in the display panel
The brightness of Micro-LED；
When the brightness of the external environment is less than four threshold values, described control unit reduces array arrangement in the display panel
Duty ratio of multiple Micro-LED in a pixel period, to reduce the multiple of array arrangement in the display panel
The brightness of Micro-LED.
8. Micro-LED display system according to claim 1-7, which is characterized in that the detection unit packet
Include temperature detection subelement；Each Micro-LED includes red sub-pixel unit, green sub-pixels unit and the sub- picture of blue
Plain unit；
The temperature detection subelement is used to obtain the temperature of external environment；
Described control unit is used to control the red son in the Micro-LED respectively according to the temperature of the external environment
Pixel unit, the green sub-pixels unit and the blue subpixels unit turn-on time in a pixel period, to adjust
Save the tone of multiple Micro-LED of array arrangement in the display panel.
9. Micro-LED display system according to claim 8, which is characterized in that described control unit is used for according to institute
The temperature for stating external environment controls the red sub-pixel unit, the green sub-pixels list in the Micro-LED respectively
First and described blue subpixels unit turn-on time in a pixel period, including：
Described control unit is stored with the temperature and the red sub-pixel unit in the Micro-LED, institute of external environment
State the corresponding relationship of green sub-pixels unit and the blue subpixels unit turn-on time in a pixel period；
Described control unit searches the red sub-pixel in the corresponding Micro-LED of temperature of the current external environment
Unit, the green sub-pixels unit and the blue subpixels unit turn-on time in a pixel period, and will be described
The red sub-pixel unit, the green sub-pixels unit in display panel in multiple Micro-LED of array arrangement and
The temperature that blue subpixels unit turn-on time in a pixel period is adjusted to the current external environment is corresponding
Micro-LED in the red sub-pixel unit, the green sub-pixels unit and the blue subpixels unit one
Turn-on time in a pixel period, to adjust the tone of multiple Micro-LED of array arrangement in the display panel.
10. Micro-LED display system according to claim 8, which is characterized in that described control unit is used for according to institute
The temperature for stating external environment controls the red sub-pixel unit, the green sub-pixels list in the Micro-LED respectively
First and described blue subpixels unit turn-on time in a pixel period, including：
When the temperature of the external environment is greater than five threshold values, described control unit controls described in the Micro-LED
Blue subpixels unit turn-on time in a pixel period is greater than the red sub-pixel unit in a pixel period
Turn-on time, and it is greater than green sub-pixels unit turn-on time in a pixel period；
When the temperature of the external environment is less than six threshold values, described control unit controls described in the Micro-LED
Red sub-pixel unit turn-on time in a pixel period is greater than the blue subpixels unit in a pixel period
Turn-on time, and it is greater than green sub-pixels unit turn-on time in a pixel period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820537189.1U CN208157018U (en) | 2018-04-16 | 2018-04-16 | Micro-L ED display system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820537189.1U CN208157018U (en) | 2018-04-16 | 2018-04-16 | Micro-L ED display system |
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| CN208157018U true CN208157018U (en) | 2018-11-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108364604A (en) * | 2018-04-16 | 2018-08-03 | 南方科技大学 | Micro-L ED display system |
| CN114067726A (en) * | 2020-07-31 | 2022-02-18 | 联咏科技股份有限公司 | Driving method for display device and display device |
-
2018
- 2018-04-16 CN CN201820537189.1U patent/CN208157018U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108364604A (en) * | 2018-04-16 | 2018-08-03 | 南方科技大学 | Micro-L ED display system |
| CN114067726A (en) * | 2020-07-31 | 2022-02-18 | 联咏科技股份有限公司 | Driving method for display device and display device |
| CN114067726B (en) * | 2020-07-31 | 2024-11-22 | 联咏科技股份有限公司 | Driving method for display device and display device |
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