CN108364604A - A kind of Micro-LED display systems - Google Patents
A kind of Micro-LED display systems Download PDFInfo
- 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
- Authority
- CN
- China
- Prior art keywords
- led
- micro
- unit
- brightness
- external environment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control 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
- G09G3/22—Control 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
- G09G3/30—Control 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
- G09G3/32—Control 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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810339312.3A CN108364604A (en) | 2018-04-16 | 2018-04-16 | A kind of Micro-LED display systems |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810339312.3A CN108364604A (en) | 2018-04-16 | 2018-04-16 | A kind of Micro-LED display systems |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108364604A true CN108364604A (en) | 2018-08-03 |
Family
ID=63008573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810339312.3A Pending CN108364604A (en) | 2018-04-16 | 2018-04-16 | A kind of Micro-LED display systems |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108364604A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109147715A (en) * | 2018-08-28 | 2019-01-04 | 武汉华星光电技术有限公司 | For reducing the method for display panel power consumption and the display device of low-power consumption |
CN110930936A (en) * | 2018-09-14 | 2020-03-27 | 联咏科技股份有限公司 | Current-driven digital pixel arrangement for micro-light emitting device array |
CN113035144A (en) * | 2019-12-25 | 2021-06-25 | Oppo广东移动通信有限公司 | Method and device for adjusting display parameters, mobile terminal and storage medium |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1079361A1 (en) * | 1999-08-20 | 2001-02-28 | Harness System Technologies Research, Ltd. | Driver for electroluminescent elements |
JP2002229511A (en) * | 2001-02-02 | 2002-08-16 | Tohoku Pioneer Corp | Device for driving organic el display panel and method therefor |
CN101212600A (en) * | 2006-12-27 | 2008-07-02 | 深圳Tcl新技术有限公司 | Display device capable of adjusting color tone of function interface and adjusting method |
CN101459993A (en) * | 2007-12-14 | 2009-06-17 | 深圳迈瑞生物医疗电子股份有限公司 | Background lamp apparatus for control panel and control apparatus thereof |
CN101983401A (en) * | 2008-03-31 | 2011-03-02 | 日本先锋公司 | Display device |
CN103052217A (en) * | 2012-12-14 | 2013-04-17 | 重庆恒又源科技发展有限公司 | LED (light emitting diode) control method and system based on ambient light detection technology |
CN203118409U (en) * | 2012-10-17 | 2013-08-07 | 南京信息工程大学 | Self-adapting brightness adjusting LED display system |
CN203136282U (en) * | 2013-03-25 | 2013-08-14 | 常州新区爱立德电子有限公司 | Device for adjusting color temperature of LED lamp according to environment temperature change |
CN104795022A (en) * | 2015-03-26 | 2015-07-22 | 繁昌县江林广告设计制作有限公司 | Light intensity self-adaptive type LED display screen |
CN208157018U (en) * | 2018-04-16 | 2018-11-27 | 南方科技大学 | A kind of Micro-LED display system |
-
2018
- 2018-04-16 CN CN201810339312.3A patent/CN108364604A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1079361A1 (en) * | 1999-08-20 | 2001-02-28 | Harness System Technologies Research, Ltd. | Driver for electroluminescent elements |
JP2002229511A (en) * | 2001-02-02 | 2002-08-16 | Tohoku Pioneer Corp | Device for driving organic el display panel and method therefor |
CN101212600A (en) * | 2006-12-27 | 2008-07-02 | 深圳Tcl新技术有限公司 | Display device capable of adjusting color tone of function interface and adjusting method |
CN101459993A (en) * | 2007-12-14 | 2009-06-17 | 深圳迈瑞生物医疗电子股份有限公司 | Background lamp apparatus for control panel and control apparatus thereof |
CN101983401A (en) * | 2008-03-31 | 2011-03-02 | 日本先锋公司 | Display device |
CN203118409U (en) * | 2012-10-17 | 2013-08-07 | 南京信息工程大学 | Self-adapting brightness adjusting LED display system |
CN103052217A (en) * | 2012-12-14 | 2013-04-17 | 重庆恒又源科技发展有限公司 | LED (light emitting diode) control method and system based on ambient light detection technology |
CN203136282U (en) * | 2013-03-25 | 2013-08-14 | 常州新区爱立德电子有限公司 | Device for adjusting color temperature of LED lamp according to environment temperature change |
CN104795022A (en) * | 2015-03-26 | 2015-07-22 | 繁昌县江林广告设计制作有限公司 | Light intensity self-adaptive type LED display screen |
CN208157018U (en) * | 2018-04-16 | 2018-11-27 | 南方科技大学 | A kind of Micro-LED display system |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109147715A (en) * | 2018-08-28 | 2019-01-04 | 武汉华星光电技术有限公司 | For reducing the method for display panel power consumption and the display device of low-power consumption |
CN110930936A (en) * | 2018-09-14 | 2020-03-27 | 联咏科技股份有限公司 | Current-driven digital pixel arrangement for micro-light emitting device array |
CN113035144A (en) * | 2019-12-25 | 2021-06-25 | Oppo广东移动通信有限公司 | Method and device for adjusting display parameters, mobile terminal and storage medium |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TW574529B (en) | Organic electro-luminescence display device | |
TWI277053B (en) | Liquid crystal display device | |
CN105027551B (en) | Imaging signal processing circuit, image-signal processing method and display device | |
CN105788525A (en) | Driving method and driving circuit of LED light group, backlight and display device | |
EP1168448A3 (en) | Full color organic EL display panel, manufacturing method thereof and driving circuit thereof | |
JP2004212503A (en) | Lighting device and its light emitting driving method, and display device | |
CN108364604A (en) | A kind of Micro-LED display systems | |
CN104900188B (en) | LED display uniformity correcting method | |
JP2008085324A (en) | Light source apparatus | |
CN106102248B (en) | A kind of illumination control method, lighting device and terminal | |
CN110088824A (en) | Light supply apparatus, light emitting device and display device | |
CN110277059A (en) | Driving chip and its control method, display device | |
CN109767721A (en) | Method and apparatus for driving LED display | |
CN107111974A (en) | Display device and electronic equipment | |
US9311862B2 (en) | Backlight apparatus, control method therefor, and display apparatus | |
CN110021261A (en) | A kind of array substrate and its driving method, display panel | |
CN104488020A (en) | Display device | |
CN208157018U (en) | A kind of Micro-LED display system | |
TW201115542A (en) | Organic light emitting diode (OLED) display, driving method thereof, and pixel unit thereof | |
CN107424571A (en) | Organic LED display device and its driving method | |
CN101707031B (en) | LED TV display panel device | |
KR102101564B1 (en) | Method and apparatus for controlling temperature in LED electronic displayl | |
CN101737701B (en) | Light-emitting diode lighting system and control method thereof, and projector | |
KR100896413B1 (en) | Led display board | |
CN103295549B (en) | Display and display packing thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |