CN108364604A - A kind of Micro-LED display systems - Google Patents

A kind of Micro-LED display systems Download PDF

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Publication number
CN108364604A
CN108364604A CN201810339312.3A CN201810339312A CN108364604A CN 108364604 A CN108364604 A CN 108364604A CN 201810339312 A CN201810339312 A CN 201810339312A CN 108364604 A CN108364604 A CN 108364604A
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CN
China
Prior art keywords
led
micro
unit
brightness
external environment
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CN201810339312.3A
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Chinese (zh)
Inventor
刘召军
覃丽环
张胡梦圆
王艳
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Southwest University of Science and Technology
Southern University of Science and Technology
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Southwest University of Science and Technology
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Priority to CN201810339312.3A priority Critical patent/CN108364604A/en
Publication of CN108364604A publication Critical patent/CN108364604A/en
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]

Abstract

The invention discloses a kind of Micro LED display systems.The Micro LED display systems include control unit, detection unit, driving unit and display panel, and display panel includes multiple Micro LED of array arrangement;The output end of detection unit is electrically connected with the input terminal of control unit, and the output end of control unit is electrically connected with the input terminal of driving unit, and the output end of driving unit is electrically connected with the anode of Micro LED;Detection unit is for obtaining external environment parameters;Control unit is used to adjust the brightness of multiple Micro LED of array arrangement or tone in display panel according to external environment parameters.To realize Micro LED display systems according to external environment parameters realize display panel intelligent dimming mix colours, improve intelligent dimming tinting system display panel practicability, it is not only energy saving, and make people have sense organ on enjoyment.

Description

A kind of Micro-LED display systems
Technical field
The present embodiments relate to display technology field more particularly to a kind of Micro-LED display systems.
Background technology
Micro-led (Micro Light-Emitting Diode, Micro-LED) display panel has superelevation The characteristics of pixel number, super-resolution degree, low energy consumption, long lifespan, it is very strong that these features so that Micro-LED display panels have 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 panels can be affected.For example, with open air For the Micro-LED large screens for showing advertisement, under daytime strong light, if brightness is inadequate, the quality of picture can degradation; It has arrived at night, or the cloudy day, and light pollution is caused because the brightness of screen is too big, be unfavorable for the health but also expense of human eye Electricity.
Invention content
The present invention provides a kind of Micro-LED display systems, to realize the intelligent dimming tune to Micro-LED display panels Color, and the condition that Micro-LED display panels realize intelligent dimming toning is reduced, it improves intelligent dimming tinting system and exists The practicability of Micro-LED display panels, it is not only energy saving, but also make people that there is the enjoyment on sense organ.
In a first aspect, an embodiment of the present invention provides a kind of Micro-LED display systems, including control unit, detection list Member, driving unit and display panel, 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 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 correspondence 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 for spending corresponding Micro-LED, 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 more 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 ratios 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 ratios 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 brightness and duty ratios of the Micro-LED in a pixel period of external environment Correspondence;
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 ratios 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 ratios 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 more than third threshold value, described control unit increases array in the display panel Duty ratios 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 ratios 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 according to the temperature of the external environment in the Micro-LED respectively 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 correspondence of first, the described green sub-pixels unit and 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 in corresponding Micro-LED and the blue subpixels unit 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 according to the temperature of the external environment in the Micro-LED respectively 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 more than five threshold values, described control unit controls in the Micro-LED Blue subpixels unit turn-on time in a pixel period is more than the red sub-pixel unit a pixel week Interim turn-on time, and it is more 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 in the Micro-LED Red sub-pixel unit turn-on time in a pixel period is more than the blue subpixels unit a pixel week Interim turn-on time, and it is more than green sub-pixels unit turn-on time in a pixel period.
The present invention obtains external environment parameters by detection unit, and forms electric signal transmission to control unit, and control is single Member controls the light emission luminance and color that driving unit adjusts multiple Micro-LED of array arrangement in display panel according to electric signal It adjusts, to realize that Micro-LED display systems realize that the intelligent dimming of display panel is mixed colours according to external environment parameters, improves Intelligent dimming tinting system display panel practicability, it is not only energy saving, and make people have sense organ on enjoyment.In addition, The display panel that the integration of Micro-LED display systems can reduce traditional driving circuit driving realizes intelligent dimming toning Difficulty.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of Micro-LED display systems provided in an embodiment of the present invention;
Fig. 2 is the structural schematic diagram of another kind Micro-LED display systems provided in an embodiment of the present invention;
Fig. 3 is another kind Micro-LED display systems provided in an embodiment of the present invention;
Fig. 4 is another kind Micro-LED display systems provided in an embodiment of the present invention;
Fig. 5 is red sub-pixel unit, green sub-pixels unit in a kind of Micro-LED provided in an embodiment of the present invention With blue subpixels unit in a pixel period turn-on time schematic diagram;
Fig. 6 is red sub-pixel unit, green sub-pixels list in another kind Micro-LED provided in an embodiment of the present invention Member and blue subpixels unit turn-on time schematic diagram in a pixel period;
Fig. 7 is another kind Micro-LED display systems provided in an embodiment of the present invention.
Specific implementation mode
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched The specific embodiment stated is used only for explaining the present invention rather than limitation of the invention.It also should be noted that in order to just Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Fig. 1 is a kind of structural schematic diagram of Micro-LED display systems provided in an embodiment of the present invention, and the present embodiment can fit The case where needing intelligent dimming to mix colours for Micro-LED display panels.The Micro-LED display systems include control unit 110, detection unit 120, driving unit 140 and display panel 130, display panel 130 include multiple Micro- of array arrangement LED131;The output end of detection unit 120 is electrically connected with the input terminal of control unit 110, the output end of control unit 110 and drive The input terminal of moving cell 140 is electrically connected, and the output end of driving unit 140 is electrically connected with the anode of Micro-LED131;Detection is single Member 120 is for obtaining external environment parameters;Control unit 110 is used to adjust battle array in display panel 130 according to external environment parameters Arrange brightness or the tone of multiple Micro-LED131 of arrangement.
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 control respectively a row 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 row with Tone.
Specifically, detection unit 120 detects external environment parameters, such as the temperature of detection external environment and brightness, and will External environment parameters are converted into electric signal transmission to control unit 110.Electric signal can be digital signal, can also be 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 is driven for passive addressing it should be noted that display panel is illustratively arranged in Fig. 1, i.e., each row in array 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 scans 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 and display picture can be realized in this way.In other embodiment 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 driving circuit to correspond to a Micro-LED.
It should be noted that the various pieces of Micro-LED display systems 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, and the display panel to reduce 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 systems realize that the intelligence of display panel is adjusted according to external environment parameters Light mix colours, improve intelligent dimming tinting system display panel practicability, it is not only energy saving, and make people have sense organ on Enjoyment.In addition, the display panel that the integration of Micro-LED display systems 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 systems provided in an embodiment of the present invention, as shown in Fig. 2, Detection unit 120 includes luminance detection subelement 121;Luminance detection subelement 121 is used to obtain the brightness of external environment;Control Unit 110 is used to control the display panel the drive of multiple Micro-LED131 of array arrangement in 130 according to the brightness of external environment Dynamic voltage, to adjust the brightness of multiple Micro-LED131 of array arrangement in display panel 130.
Optionally, the driving voltage of the brightness and Micro-LED of external environment can be prestored in control unit 110 Correspondence.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 correspondence storage of dynamic voltage is in the storage device.Control unit 110 according to the brightness of pre-stored external environment with The correspondence of the driving voltage of Micro-LED searches the brightness of the current external environment of 121 detection of luminance detection subelement 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 With the current value positive correlation by Micro-LED131, and the electric current in Micro-LED131 determines the hair of Micro-LED131 Brightness.Therefore the light emission luminance of Micro-LED131 can be adjusted by controlling the value of 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 more 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 relatively low, 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 Light pollution is caused for the brightness of screen greatly very much, 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 reduce the brightness of Micro-LED to avoid light Pollution, can not only protect the eyes of people, and can be with using electricity wisely.
Fig. 3 is another kind Micro-LED display systems provided in an embodiment of the present invention, as shown in figure 3, driving unit 140 May include multiple driving transistor T1, the first pole of driving transistor T1 is connect with drive voltage line, for inputting driving electricity Pressure, the second pole are electrically connected with the anode of Micro-LED131, and grid carries out luminous number for input control Micro-LED131 According to voltage Vdata.
With continued reference to Fig. 2 and Fig. 3, in other embodiments, control unit 110 can be also used for according to external environment Brightness controls the display panel multiple micro-led 131 duty ratios in a pixel period of array arrangement in 130, To adjust the brightness of multiple Micro-LED131 of array arrangement in display panel 130.Pulse width modulation may be used (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 methods control driving voltage is 100%, to which 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, and constant-current source or constant pressure source are controlled using PWM control methods The duty ratio of output voltage in a pixel period, to realize the light emission luminance for adjusting Micro-LED131.
Optionally, the brightness of external environment can be stored in a control unit in advance with Micro-LED a pixel week The correspondence of interim duty ratio.Such as a storage device can be set in a control unit, by the brightness of external environment with The correspondence storage of duty ratios of the Micro-LED in a pixel period is in the storage device.Control unit is according to the external world The correspondence of the brightness and duty ratios of the Micro-LED in a pixel period of environment searches the inspection of luminance detection subelement Duty ratios of the corresponding Micro-LED of brightness in a pixel period for the current external environment surveyed, and by display panel Duty ratios of the multiple Micro-LED of middle array arrangement in a pixel period is adjusted to the brightness pair of current external environment Duty ratios 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 ratios 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 more than third threshold value, by increasing display panel Duty ratios 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 ratios 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 more 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 ratios 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.It is less than the 4th threshold value in the brightness of external environment When, illustrate that the brightness of external environment is relatively low, ambient is weaker, such as the case where cloudy day or evening, at this moment control unit can To reduce duty ratios 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 by device at electric signal, realize the brightness of detection external environment Effect.
Fig. 4 is another kind Micro-LED display systems provided in an embodiment of the present invention, and the present embodiment is in the various embodiments described above On the basis of, 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 external environment Temperature;Control unit 110 is used to control the red sub-pixel list in Micro-LED131 respectively according to the temperature of external environment Member 1311, green sub-pixels unit 1312 and blue subpixels unit 1313 turn-on time in a pixel period, to 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 lifetimes of three Micro-LED of blue light in a pixel period may be implemented to adjust shining for Micro-LED131 Tone.
In addition, three driving transistor T1 in driving unit 140 correspond to a Micro-LED131, three driving crystal The second pole of pipe T1 is corresponding respectively to glow, the anode of three Micro-LED of green light and blue light, and control respectively glows, is green Fluorescent lifetimes 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 lifetimes 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 store external environment temperature and Micro-LED in red sub-pixel The correspondence 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 correspondence 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 in LED and blue subpixels unit 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, green sub-pixels unit in a kind of Micro-LED provided in an embodiment of the present invention Turn-on time schematic diagram, Fig. 6 are another kinds provided in an embodiment of the present invention in a pixel period with blue subpixels unit Red sub-pixel unit, green sub-pixels unit and blue subpixels unit in Micro-LED are led in a pixel period Logical time diagram.As shown in Figure 5 and Figure 6, in a pixel period T, red sub-pixel unit R, green sub-pixels unit G It shines at times with blue subpixels unit B, in a pixel period T, red sub-pixel unit R, green 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 unit R, green Fluorescent lifetime t1, t2 and t3 of sub-pixel unit G and blue subpixels unit B, to form the different tones of Micro-LED. By taking Fig. 5 as an example, fluorescent lifetime t1, t2 and t3 of red sub-pixel unit R, green sub-pixels unit G and blue subpixels unit B The one third of respectively one pixel period T, at this time red sub-pixel unit R, green sub-pixels unit G and blue subpixels The light that the Micro-LED that unit B is formed is sent out is the first tone.As change red sub-pixel unit R, green sub-pixels unit G When with turn-on time of the blue subpixels unit B in a pixel period T, as shown in fig. 6, red sub-pixel unit R is led Logical time t1 becomes larger, and the turn-on time t2 and t3 of green sub-pixels unit G and blue subpixels unit B become smaller, then Micro-LED The light sent out is the second tone, and the second tone warm colour more inclined than the color of the first tone.It is possible thereby to by adjusting red son Pixel unit R, green sub-pixels unit G and blue subpixels unit B turn-on time t1, t2 in a pixel period T and T3 realizes 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 more 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 more than red sub-pixel unit turn-on time in a pixel period in the plain period, and is more 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, and to adjust the tone of Micro-LED, it is made to be deviated 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 relatively low, at this moment control unit The turn-on time in a pixel period of the red sub-pixel unit in Micro-LED can be controlled and be more than blue subpixels unit The turn-on time in a pixel period, and it is more 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 makes it be deviated 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 send out different tones at different temperature to adjust the luminous tone of Micro-LED Light realizes that Micro-LED sends out the tone of light and 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 present invention also provides a kind of embodiment, detection unit can also include that luminance detection subelement and temperature are examined Subelement is surveyed, the ambient humidity, light and temperature of external environment can be detected simultaneously, control unit is adjusted according to the ambient humidity, light and temperature of external environment 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 concrete numerical value of threshold value and the 6th threshold value can adapt to adjust according to actual conditions, and the present invention, which does not do the numerical value of each threshold value, to be had Body limits.
Fig. 7 is another kind Micro-LED display systems provided in an embodiment of the present invention, on the basis of the various embodiments described above On, which further includes server 150, server 150 and 110 wired or wireless connection of control unit, from And control unit 110 can be made to receive teleinstruction setting under networking state, realize communication control.
Note that above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that The present invention is not limited to specific embodiments described here, can carry out for a person skilled in the art it is various it is apparent variation, It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out to the present invention by above example It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also May include other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.

Claims (10)

1. a kind of Micro-LED display systems, 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 systems 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 systems 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 correspondence 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 systems 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 more 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 systems 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 ratios 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 systems 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 ratios of the multiple Micro-LED of array arrangement in the display panel in a pixel period is adjusted For duty ratios 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 systems 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 more than third threshold value, described control unit increases array arrangement in the display panel Duty ratios 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 ratios 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. according to claim 1-7 any one of them Micro-LED display systems, 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 systems 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 temperature and the red sub-pixel unit in the Micro-LED, the institute of external environment State the correspondence of green sub-pixels unit and 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 corresponds to 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 systems 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 more than five threshold values, described control unit controls described in the Micro-LED Blue subpixels unit turn-on time in a pixel period is more than the red sub-pixel unit in a pixel period Turn-on time, and it is more 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 more than the blue subpixels unit in a pixel period Turn-on time, and it is more than green sub-pixels unit turn-on time in a pixel period.
CN201810339312.3A 2018-04-16 2018-04-16 A kind of Micro-LED display systems Pending CN108364604A (en)

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