CN105070206B - A kind of display device - Google Patents
A kind of display device Download PDFInfo
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- CN105070206B CN105070206B CN201510608423.6A CN201510608423A CN105070206B CN 105070206 B CN105070206 B CN 105070206B CN 201510608423 A CN201510608423 A CN 201510608423A CN 105070206 B CN105070206 B CN 105070206B
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Abstract
The invention discloses a kind of display device, in the display device, each pixel cell in display panel comprises at least the sub-pixel unit that a color blocking color is amber sub-pixel unit and a color blocking color is red, and printed circuit board (PCB) includes data drive circuit and control circuit；When the light intensity of external environmental light is less than or equal to default light intensity, the control circuit control data drive circuit is to being the corresponding grayscale signal of data wire output that amber sub-pixel unit is electrically connected with color blocking color；When the light intensity of external environmental light is more than default light intensity, the control circuit control data drive circuit is to the corresponding grayscale signal of data wire output being electrically connected with color blocking color for red sub-pixel unit；So, shown without setting optical filter that night vision can be achieved in a display device, so as to can not only make display device realize the compatible production cost for using, display device can also being reduced round the clock.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of display device.
Background technology
In some special application fields, for example, it is military, police and scientific and technological etc., it is necessary to be in night observation display device
The information such as existing image, word and dynamic image.Because night visible ray is very faint, and infrared light invisible to the human eye
Very abundant, this greatly influences the information that human eye is presented in night observation display device, therefore, night vision display device meet the tendency of and
It is raw.
At present, existing night vision display device is usually the optical filtering of the one filter feux rouges of increase in the display device of routine
Piece, the optical filter can filter the feux rouges in information that display device is presented including infrared light, so as to make human eye exist
Night differentiates the information that display device is presented more visiblely.
However, the optical filter of filter feux rouges is added in above-mentioned night vision display device so that above-mentioned night vision display device makes
Night is only limitted to environment, and there can be the problem of color missing when daytime is using above-mentioned night vision display device, also, it is above-mentioned
The cost of the optical filter of increased filter feux rouges is higher in night vision display device.
Therefore, how a kind of display device used compatible round the clock is provided, is the skill of those skilled in the art's urgent need to resolve
Art problem.
The content of the invention
In view of this, the embodiments of the invention provide a kind of display device, to provide it is a kind of it is compatible round the clock use it is aobvious
Showing device.
Therefore, the embodiments of the invention provide a kind of display device, including：Display panel and with the display panel bind
Printed circuit board (PCB)；The display panel includes multiple pixel cells arranged in arrays；Each pixel cell includes color
Hinder at least four different sub-pixel units of color；
Each pixel cell is amber sub-pixel unit and a color blocking face including at least a color blocking color
Color is red sub-pixel unit；
The printed circuit board (PCB) includes data drive circuit and control circuit；
The control circuit, for controlling the data to drive when the light intensity of external environmental light is less than or equal to default light intensity
Dynamic circuit is to being the corresponding grayscale signal of data wire output that amber sub-pixel unit is electrically connected with color blocking color, outside
The light intensity of boundary's ambient light controls the data drive circuit to the sub-pix list with color blocking color for red when being more than default light intensity
Grayscale signal corresponding to the data wire output that member is electrically connected with.
In a kind of possible implementation, in above-mentioned display device provided in an embodiment of the present invention, the control electricity
Road, including：Illuminant module, reverse module and with each row pixel cell multiple control modules correspondingly；Wherein,
The illuminant module, for receiving external environmental light and by the light intensity of the external environmental light of reception and the default light
It is compared by force；It is defeated to the reversely module when the light intensity of the external environmental light of reception is less than or equal to the default light intensity
Go out the first level signal；When the light intensity of the external environmental light of reception is more than the default light intensity, exported to the reversely module
Second electrical level signal；
The reverse module, for when receiving the first level signal that the illuminant module is sent, to each control
The first input end of molding block sends three level signal；When receiving the second electrical level signal that the illuminant module is sent,
The 4th level signal is sent to the first input end of each control module；
The control module, for when receiving the three level signal that module is sent described reversely, controlling the number
It is electrically connected with according to color blocking color in drive circuit pixel cell corresponding with the control module for amber sub-pixel unit
Data line electrical connection, and control color blocking color in data drive circuit pixel cell corresponding with the control module
The data wire being electrically connected with for the sub-pixel unit of red disconnects；Receiving the 4th level signal that reversely module is sent
When, it is red sub-pix list to control color blocking color in data drive circuit pixel cell corresponding with the control module
The data line electrical connection that member is electrically connected with, and control data drive circuit pixel cell corresponding with the control module
Middle color blocking color is that the data wire that amber sub-pixel unit is electrically connected with disconnects.
In a kind of possible implementation, in above-mentioned display device provided in an embodiment of the present invention, the photosensitive mould
Block, specifically include：Optical sensor；
The optical sensor and the input of the reversely module are electrically connected with.
In a kind of possible implementation, in above-mentioned display device provided in an embodiment of the present invention, the reverse mould
Block, specifically include：First reverser and the second reverser；Wherein,
The input of first reverser is electrically connected with the optical sensor, the output end point of first reverser
It is not electrically connected with and is grounded with the first input end of each control module and the input of second reverser；
Second input of the output end of second reverser and each control module is electrically connected with and is grounded.
In a kind of possible implementation, in above-mentioned display device provided in an embodiment of the present invention, the reverse mould
Block, in addition to：First resistor and second resistance；Wherein,
One end of the first resistor output end with first reverser, the input of second reverser respectively
It is electrically connected with the first input end of each control module, the other end ground connection of the first resistor；
One end of the second resistance respectively with the output end of second reverser and each control module second
Input is electrically connected with, the other end ground connection of the second resistance.
In a kind of possible implementation, in above-mentioned display device provided in an embodiment of the present invention, the control mould
Block, specifically include：First switch transistor and second switch transistor；Wherein,
The grid of the first switch transistor output end with first reverser and second reverser respectively
Input be electrically connected with, the source electrode of the first switch transistor is electrically connected with the data drive circuit, described first
Color blocking color is amber sub-pixel unit electricity in the drain electrode of switching transistor pixel cell corresponding with the control module
Property connection data line electrical connection；
The output end of the grid of the second switch transistor and second reverser is electrically connected with, the second switch
The source electrode of transistor is electrically connected with the data drive circuit, drain electrode and the control module of the second switch transistor
The data line electrical connection that color blocking color is electrically connected with for red sub-pixel unit in corresponding pixel cell.
In a kind of possible implementation, in above-mentioned display device provided in an embodiment of the present invention, each described first
Switching transistor and each second switch transistor are P-type transistor；Or
Each first switch transistor and each second switch transistor are N-type transistor.
In a kind of possible implementation, in above-mentioned display device provided in an embodiment of the present invention, the control electricity
Road, in addition to：Amplification module；
The amplification module, for receiving and amplifying the first level signal and second electrical level letter of the illuminant module output
Number, and give the first level signal after amplification and second electrical level signal output to the reverse module.
In a kind of possible implementation, in above-mentioned display device provided in an embodiment of the present invention, the amplification mould
Block, specifically include：Amplifier；
The input of the amplifier is electrically connected with the optical sensor, the output end of the amplifier and described first
The input of reverser is electrically connected with.
In a kind of possible implementation, in above-mentioned display device provided in an embodiment of the present invention, the default light
It is more than or equal to 5cd by force, and is less than or equal to 50cd.
In a kind of possible implementation, in above-mentioned display device provided in an embodiment of the present invention, each picture
Plain unit also includes the sub-pixel unit that a color blocking color is green and the sub-pixel unit that a color blocking color is blueness；
Color blocking color is that red, green, blue and amber sub-pixel unit is in two rows in each pixel cell
Two row arrangements arrange arrangement in a line four.
Above-mentioned display device provided in an embodiment of the present invention, in the display device, each pixel list in display panel
Member comprises at least the sub-pixel unit that a color blocking color is amber sub-pixel unit and a color blocking color is red, print
Printed circuit board includes data drive circuit and control circuit；, should when the light intensity of external environmental light is less than or equal to default light intensity
Control circuit control data drive circuit exports to color blocking color for the data wire that amber sub-pixel unit is electrically connected with
Corresponding grayscale signal, make not including red in the picture that display device shows, so that display device can be used for night vision and show
Show；When the light intensity of external environmental light is more than default light intensity, the control circuit control data drive circuit is to color blocking color
Grayscale signal corresponding to the data wire output that red sub-pixel unit is electrically connected with, make to include in the picture that display device shows
Red, so that the problem of color missing is not present in the picture that display device is shown；So, without setting filter in a display device
Mating plate can be achieved night vision and show, so as to which display device can not only realized, compatibility uses round the clock, can also reduce display dress
The production cost put；Also, it is increased amber between red and green, it can rich colors, will not produce again red
Outer light and influence night vision and show.
Brief description of the drawings
Fig. 1 is the structural representation of above-mentioned display device provided in an embodiment of the present invention；
Fig. 2 is the concrete structure schematic diagram of above-mentioned display device provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment of display device provided in an embodiment of the present invention is carried out in detail
It is bright.
A kind of display device provided in an embodiment of the present invention, as shown in figure 1, including：Display panel 1 and with display panel 1
The printed circuit board (PCB) 2 of binding；Display panel 1 includes multiple pixel cells arranged in arrays, and (dotted line frame show one in Fig. 1
Pixel cell, Fig. 1 show the row pixel cell of four row two)；Each pixel cell includes at least four different sub- pictures of color blocking color
Plain unit；Fig. 1 is so that each pixel cell includes four different sub-pixel units of color blocking color as an example；
Each pixel cell comprises at least the sub-pixel unit and a color blocking color that a color blocking color is amber (A)
For the sub-pixel unit of red (R)；
Printed circuit board (PCB) 2 includes data drive circuit 3 and control circuit 4；
Control circuit 4, for controlling data drive circuit 3 when the light intensity of external environmental light is less than or equal to default light intensity
To with color blocking color for amber (A) sub-pixel unit be electrically connected with the corresponding grayscale signal of data wire 5A outputs, outside
The light intensity of boundary's ambient light controls data drive circuit 3 to the sub-pix list with color blocking color for red (R) when being more than default light intensity
Grayscale signal corresponding to the data wire 5R outputs that member is electrically connected with.
Above-mentioned display device provided in an embodiment of the present invention, in the display device, each pixel list in display panel
Member comprises at least the sub-pixel unit that a color blocking color is amber sub-pixel unit and a color blocking color is red, print
Printed circuit board includes data drive circuit and control circuit；, should when the light intensity of external environmental light is less than or equal to default light intensity
Control circuit control data drive circuit exports to color blocking color for the data wire that amber sub-pixel unit is electrically connected with
Corresponding grayscale signal, make not including red in the picture that display device shows, so that display device can be used for night vision and show
Show；When the light intensity of external environmental light is more than default light intensity, the control circuit control data drive circuit is to color blocking color
Grayscale signal corresponding to the data wire output that red sub-pixel unit is electrically connected with, make to include in the picture that display device shows
Red, so that the problem of color missing is not present in the picture that display device is shown；So, without setting filter in a display device
Mating plate can be achieved night vision and show, so as to which display device can not only realized, compatibility uses round the clock, can also reduce display dress
The production cost put；Also, it is increased amber between red and green, it can rich colors, will not produce again red
Outer light and influence night vision and show.
It should be noted that above-mentioned display device provided in an embodiment of the present invention can realize compatible use round the clock, that is, exist
External environmental light more sufficient such as daytime when, the information that can be shown with bore hole identification display device, in external environmental light more
During faint such as night, the information that night vision sem observation display device is shown can be worn.Also, in order that what display device was shown
Color is wider closer to natural reality and colour gamut, and color blocking color can include infrared portion for the red of red sub-pixel unit
Point, color blocking color can include ultraviolet portion for the blueness of the sub-pixel unit of blueness.
In the specific implementation, in above-mentioned display device provided in an embodiment of the present invention, as shown in figure 1, each pixel list
Member, which is removed, includes the sub-pixel unit that a color blocking color is amber (A) and the sub-pix list that a color blocking color is red (R)
Outside member, the sub-pixel unit that a color blocking color is green (G) and the Asia that a color blocking color is blue (B) can also be included
Pixel cell；As shown in figure 1, in each pixel cell color blocking color be amber (A), red (R), green (G) and blueness (B)
Sub-pixel unit can be in a line four row arrangement；Or in each pixel cell color blocking color be amber (A), it is red
(R), green (G) and blue (B) sub-pixel unit can also be arranged in two rows, and not limit herein.
Certainly, in above-mentioned display device provided in an embodiment of the present invention, each pixel cell can also include color blocking face
Color respectively amber (A), red (R), green (G), blue (B) and five sub-pixel units of yellow (Y), are not limited herein
It is fixed.The following examples that the present invention provides include color blocking color as amber (A), red (R), green using each pixel cell
(G) and exemplified by blue (B) four sub-pixel units illustrate.
In the specific implementation, in above-mentioned display device provided in an embodiment of the present invention, as shown in figure 1, control circuit 4,
It can include：Illuminant module 6, reverse module 7 and with each row pixel cell multiple control modules 8 correspondingly；Wherein,
Illuminant module 6, for receiving external environmental light and carrying out the light intensity of the external environmental light of reception and default light intensity
Compare；When the light intensity of the external environmental light of reception is less than or equal to default light intensity, the first level letter is exported to reverse module 7
Number；When the light intensity of the external environmental light of reception is more than default light intensity, second electrical level signal is exported to reverse module 7；
Reverse module 7, for when receiving the first level signal of the transmission of illuminant module 6, to the of each control module 8
One input sends three level signal；When receiving the second electrical level signal of the transmission of illuminant module 6, to each control module 8
First input end send the 4th level signal；
Control module 8, for when receiving the three level signal that reverse module 7 is sent, control data drive circuit 3
The data wire 5A electricity that color blocking color is electrically connected with for the sub-pixel unit of amber (A) in pixel cell corresponding with control module
Property connection, and in the pixel cell corresponding with control module of control data drive circuit 3 color blocking color for red (R) sub-pix
The data wire 5R that unit is electrically connected with disconnects, and now, the color blocking color into each pixel cell of data drive circuit 3 is amber
(A), the sub-pixel unit input grayscale signal of green (G) and blue (B), makes the picture shown by display device only by amber
(A), green (G) and blue (B) presentation, so as to make human eye also can clearly see at visible ray more faint such as night
Examine the information that display device is shown；When receiving four level signal that reverse module 7 is sent, control data drive circuit 3
Color blocking color is that the data wire 5R of the sub-pixel unit electric connection of red (R) is electrical in pixel cell corresponding with control module
Connection, and color blocking color is the sub-pix of amber (A) in the pixel cell corresponding with control module of control data drive circuit 3
The data wire 5A that unit is electrically connected with disconnects, now, the color blocking color into each pixel cell of data drive circuit 3 be red (R),
Green (G) and blue (B) sub-pixel unit input grayscale signal, make picture shown by display device only by red (R), green
Color (G) and blue (B) are presented, so as to make human eye also can clearly observe display at visible ray more sufficient such as daytime
The information that device is shown, and the problem of color lacks is not present in the information；In summary, it is provided in an embodiment of the present invention above-mentioned aobvious
Showing device can realize compatible use round the clock.
It should be noted that in above-mentioned display device provided in an embodiment of the present invention, the first level signal can be high electricity
Ordinary mail number, second electrical level signal are low level signal, then three level signal is low level signal, and the 4th level signal is high electricity
Ordinary mail number；Or first level signal can also be low level signal, second electrical level signal is high level signal, then the 3rd electricity
Ordinary mail number is high level signal, and the 4th level signal is low level signal；Do not limit herein.
In the specific implementation, in above-mentioned display device provided in an embodiment of the present invention, as shown in Fig. 2 illuminant module 6,
It can specifically include：Optical sensor P；Optical sensor P and the input of reverse module 7 are electrically connected with.
The illuminant module 6 in control circuit 4 in above-mentioned display device provided in an embodiment of the present invention is specifically using above-mentioned
When optical sensor P is as concrete structure, its operation principle is：Optical sensor P receives external environmental light and by the extraneous ring of reception
The light intensity of border light is compared with the default light intensity prestored in optical sensor P；In the light intensity of the external environmental light of reception
During less than or equal to default light intensity, optical sensor P exports the first level signal to reverse module 7, and reverse module 7 is to each control mould
The first input end output three level signal of block 8, makes each control data drive circuit 3 of control module 8 and the control module pair
Color blocking color is electrically connected with for the data wire 5A that the sub-pixel unit of amber (A) is electrically connected with the pixel cell answered, and controls
Color blocking color is that the sub-pixel unit of red (R) is electrical in data drive circuit 3 processed pixel cell corresponding with the control module
The data wire 5R of connection disconnects；When the light intensity of the external environmental light of reception is more than default light intensity, optical sensor P is to reverse module
7 output second electrical level signals, reverse module 7 export the 4th level signal to the first input end of each control module 8, make each control
Color blocking color is the sub-pix list of red (R) in the control data drive circuit 3 of module 8 pixel cell corresponding with the control module
The data wire 5R that member is electrically connected with is electrically connected with, and in the pixel cell corresponding with the control module of control data drive circuit 3
Color blocking color disconnects for the data wire 5A that the sub-pixel unit of amber (A) is electrically connected with.
In the specific implementation, in above-mentioned display device provided in an embodiment of the present invention, as shown in Fig. 2 reversely module 7,
It can specifically include：First reverser M1With the second reverser M2；Wherein,
First reverser M1Input m11It is electrically connected with optical sensor P, the first reverser M1Output end m12Respectively
With the first input end and the second reverser M of each control module 82Input m21It is electrically connected with and is grounded；
Second reverser M2Output end m22It is electrically connected with and is grounded with the second input of each control module 8.
The reverse module 7 in control circuit 4 in above-mentioned display device provided in an embodiment of the present invention is specifically using above-mentioned
First reverser M1With the second reverser M2During as concrete structure, its operation principle is：Be less than in the light intensity of external environmental light or
During equal to default light intensity, optical sensor P is to the first reverser M1Input m11Export the first level signal, the first reverser M1
First input end and the second reverser M to each control module 82Input m21Three level signal is exported, makes each control mould
Color blocking color is the sub-pix list of amber (A) in the control data drive circuit 3 of block 8 pixel cell corresponding with the control module
The data wire 5A that member is electrically connected with is electrically connected with, and in the pixel cell corresponding with the control module of control data drive circuit 3
Color blocking color is that the data wire 5R that the sub-pixel unit of red (R) is electrically connected with disconnects；It is more than in the light intensity of external environmental light pre-
If during light intensity, optical sensor P is to the first reverser M1Input m11Export second electrical level signal, the first reverser M1To each control
The first input end of molding block 8 and the second reverser M2Input m21The 4th level signal is exported, controls each control module 8
Color blocking color is that the sub-pixel unit of red (R) electrically connects in the pixel cell corresponding with the control module of data drive circuit 3
The data wire 5R connect is electrically connected with, and color blocking color in the pixel cell corresponding with the control module of control data drive circuit 3
The data wire 5A being electrically connected with for the sub-pixel unit of amber (A) disconnects.
, can be with as shown in Fig. 2 reversely module 7 it is preferred that in above-mentioned display device provided in an embodiment of the present invention
Including：First resistor R1With second resistance R2；Wherein, first resistor R1One end r11Respectively with the first reverser M1Output end
m12, the second reverser M2Input m21It is electrically connected with the first input end of each control module 8, the first resistor R1 other end
r12Ground connection；Second resistance R2One end r21Respectively with the second reverser M2Output end m22With the second input of each control module 8
End is electrically connected with, second resistance R2Other end r22Ground connection；First resistor R1The second reverser M can be prevented2Reverse crosstalk electricity
Interference signal between pressure and the upward wiring of printed circuit board (PCB) 2 produces harmful effect, the second electricity to the first input end of each control module 8
Hinder R2It can prevent the interference signal between the upward wiring of printed circuit board (PCB) 2 from producing bad shadow to the second input of each control module 8
Ring.
In the specific implementation, in above-mentioned display device provided in an embodiment of the present invention, as shown in Fig. 2 control module 8,
It can specifically include：First switch transistor T1With second switch transistor T2；Wherein,
First switch transistor T1Grid respectively with the first reverser M1Output end m12With the second reverser M2Input
Hold m21It is electrically connected with, first switch transistor T1Source electrode be electrically connected with data drive circuit 3, first switch transistor T1's
The data wire that color blocking color is electrically connected with for the sub-pixel unit of amber (A) in drain electrode pixel cell corresponding with control module
5A is electrically connected with；
Second switch transistor T2Grid and the second reverser M2Output end m22It is electrically connected with, second switch transistor
T2Source electrode be electrically connected with data drive circuit 3, second switch transistor T2Drain electrode pixel cell corresponding with control module
Middle color blocking color is that the data wire 5R that the sub-pixel unit of red (R) is electrically connected with is electrically connected with.
It should be noted that in above-mentioned display device provided in an embodiment of the present invention, the first reverser can make first
Switching transistor only exists in the state of being turned on and off without intermediateness；Second reverser can make second switch transistor only
In being turned on and off state without intermediateness.
In the specific implementation, in above-mentioned display device provided in an embodiment of the present invention, first switch transistor T1With
Two switching transistor T2It can be N-type transistor；Or first switch transistor T1With second switch transistor T2Can also be P
Transistor npn npn, do not limit herein.With first switch transistor T1With second switch transistor T2To be carried out exemplified by N-type transistor
Illustrate, optical sensor P is to the first reverser M1Input m11First level signal of output is low level signal, and first is reverse
Device M1To each first switch transistor T1Grid and the second reverser M2Input m21The three level signal of output is high electricity
Ordinary mail number, make each first switch transistor T1It is in the conduction state, the second reverser M2To each second switch transistor T2Grid
Low level signal is exported, makes each second switch transistor T2Disconnect, so that data drive circuit 3 is corresponding with the control module
Color blocking color is electrically connected with for the data wire 5A that the sub-pixel unit of amber (A) is electrically connected with pixel cell, and makes data
Color blocking color is that the sub-pixel unit of red (R) is electrically connected with the pixel cell corresponding with the control module of drive circuit 3
Data wire 5R disconnects；Optical sensor P is to the first reverser M1Input m11The second electrical level signal of output is high level signal,
First reverser M1To each first switch transistor T1Grid and the second reverser M2Input m21The 4th level letter of output
Number it is low level signal, makes each first switch transistor T1Disconnect, the second reverser M2To each second switch transistor T2Grid
High level signal is exported, makes each second switch transistor T2It is in the conduction state, so that data drive circuit 3 and the control mould
Color blocking color is that the data wire 5R of the sub-pixel unit electric connection of red (R) is electrically connected with pixel cell corresponding to block, and
It is the sub-pixel unit electricity of amber (A) to make color blocking color in the pixel cell corresponding with the control module of data drive circuit 3
Property connection data wire 5A disconnect.
The control module 8 in control circuit 4 in above-mentioned display device provided in an embodiment of the present invention is specifically using above-mentioned
First switch transistor T1With second switch transistor T2During as concrete structure, with first switch transistor T1And second switch
Transistor T2To be illustrated exemplified by N-type transistor, its operation principle is：It is less than or equal in the light intensity of external environmental light default
During light intensity, optical sensor P is to the first reverser M1Input m11First level signal of output is low level signal, and first is anti-
To device M1To each first switch transistor T1Grid and the second reverser M2Input m21The three level signal of output is height
Level signal, make each first switch transistor T1It is in the conduction state, the second reverser M2To each second switch transistor T2Grid
Pole exports low level signal, makes each second switch transistor T2Disconnect, so that data drive circuit 3 is corresponding with the control module
Pixel cell in color blocking color be electrically connected with for the data wire 5A that the sub-pixel unit of amber (A) is electrically connected with, and make number
It is electrically connected with according to the sub-pixel unit that color blocking color in the pixel cell corresponding with the control module of drive circuit 3 is red (R)
Data wire 5R disconnect；When the light intensity of external environmental light is more than default light intensity, optical sensor P is to the first reverser M1Input
Hold m11The second electrical level signal of output is high level signal, the first reverser M1To each first switch transistor T1Grid and
Two reverser M2Input m21Low level signal is exported, makes each first switch transistor T1Disconnect, the second reverser M2To each
Two switching transistor T2Grid output high level signal, make each second switch transistor T2It is in the conduction state, so that data
Color blocking color is that the sub-pixel unit of red (R) is electrically connected with the pixel cell corresponding with the control module of drive circuit 3
Data wire 5R is electrically connected with, and makes color blocking color in the pixel cell corresponding with the control module of data drive circuit 3 be amber
The data wire 5A that the sub-pixel unit of color (A) is electrically connected with disconnects.
, can be with as shown in figure 1, control circuit 4 it is preferred that in above-mentioned display device provided in an embodiment of the present invention
Including：Amplification module 9；Amplification module 9, for receiving and amplifying the first level signal and second electrical level of the output of illuminant module 6
Signal, and give the first level signal after amplification and second electrical level signal output to reverse module 7；So, display can be improved
Device switches the sensitivity of night vision dispaly state and conventional dispaly state.
In the specific implementation, in above-mentioned display device provided in an embodiment of the present invention, as shown in Fig. 2 amplification module 9,
It can specifically include：Amplifier A；Amplifier A input a1It is electrically connected with optical sensor P, amplifier A output end a2With
First reverser M1Input m11It is electrically connected with.
The amplification module 9 in control circuit 4 in above-mentioned display device provided in an embodiment of the present invention is specifically using above-mentioned
When amplifier A is as concrete structure, its operation principle is：When the light intensity of external environmental light is less than or equal to default light intensity, light
Input as of the sensor P to amplifier A1Export the first level signal, amplifier A is to the first reverser M1Input m11It is defeated
The first level signal gone out after amplification；When the light intensity of external environmental light is more than default light intensity, optical sensor P is to amplifier A's
Input a1Second electrical level signal is exported, amplifier A is to the first reverser M1Input m11Second electrical level after output amplification
Signal.
It is preferred that in above-mentioned display device provided in an embodiment of the present invention, the size control of default light intensity can be existed
More than or equal to 5cd, and the scope less than or equal to 50cd is preferred.Specifically, the field that can be applied according to display device
The size for presetting light intensity is adjusted, not limited herein.
It should be noted that the control circuit in above-mentioned display device provided in an embodiment of the present invention is not limited to such as figure
Structure shown in 1 and Fig. 2, in above-mentioned display device provided in an embodiment of the present invention, data drive circuit can also be changed
It is respectively amber (A) with color blocking color, red (R), the sub-pix of green (G) and blueness (B) for four output ports
Data wire 5A, 5R, 5G and 5B that unit is electrically connected with are electrically connected with, and are less than or equal to default light intensity in the light intensity of external environmental light
When, data drive circuit to sub-pixel unit electric connection that color blocking color is amber (A), green (G) and blue (B)
Grayscale signal corresponding to data wire 5A, 5G and 5B output, when the light intensity of external environmental light is more than default light intensity, control data is driven
Circuit is moved to data wire 5R, 5G with color blocking color for red (R), green (G) and blue (B) sub-pixel unit electric connection
With 5B output corresponding to grayscale signal, do not limit herein.
It should be noted that above-mentioned display device provided in an embodiment of the present invention, Ke Yiwei：Mobile phone, tablet personal computer, TV
Any product or part with display function such as machine, display, notebook computer, DPF, navigator.
A kind of display device provided in an embodiment of the present invention, in the display device, each pixel list in display panel
Member comprises at least the sub-pixel unit that a color blocking color is amber sub-pixel unit and a color blocking color is red, print
Printed circuit board includes data drive circuit and control circuit；, should when the light intensity of external environmental light is less than or equal to default light intensity
Control circuit control data drive circuit exports to color blocking color for the data wire that amber sub-pixel unit is electrically connected with
Corresponding grayscale signal, make not including red in the picture that display device shows, so that display device can be used for night vision and show
Show；When the light intensity of external environmental light is more than default light intensity, the control circuit control data drive circuit is to color blocking color
Grayscale signal corresponding to the data wire output that red sub-pixel unit is electrically connected with, make to include in the picture that display device shows
Red, so that the problem of color missing is not present in the picture that display device is shown；So, without setting filter in a display device
Mating plate can be achieved night vision and show, so as to which display device can not only realized, compatibility uses round the clock, can also reduce display dress
The production cost put；Also, it is increased amber between red and green, it can rich colors, will not produce again red
Outer light and influence night vision and show.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (9)
1. a kind of display device, including：Display panel and the printed circuit board (PCB) with display panel binding；The display panel
Including multiple pixel cells arranged in arrays；Each pixel cell includes at least four different sub-pixs of color blocking color
Unit；It is characterized in that：
Each pixel cell is amber sub-pixel unit including at least a color blocking color and a color blocking color is
Red sub-pixel unit；
The printed circuit board (PCB) includes data drive circuit and control circuit；
The control circuit, for controlling the data-driven electricity when the light intensity of external environmental light is less than or equal to default light intensity
Road direction and the corresponding grayscale signal of data wire output that color blocking color is that amber sub-pixel unit is electrically connected with, in extraneous ring
The light intensity of border light controls the data drive circuit to the sub-pixel unit electricity with color blocking color for red when being more than default light intensity
Property connection data wire output corresponding to grayscale signal；
The control circuit, including：Illuminant module, reverse module and with the pixel cell multiple controls correspondingly of each row
Module；Wherein,
The illuminant module, for receiving external environmental light and entering the light intensity of the external environmental light of reception and the default light intensity
Row compares；When the light intensity of the external environmental light of reception is less than or equal to the default light intensity, to the reversely module output the
One level signal；When the light intensity of the external environmental light of reception is more than the default light intensity, to the reversely module output second
Level signal；
The reverse module, for when receiving the first level signal that the illuminant module is sent, to each control mould
The first input end of block sends three level signal；When receiving the second electrical level signal that the illuminant module is sent, to each
The first input end of the control module sends the 4th level signal；
The control module, for when receiving the three level signal that module is sent described reversely, controlling the data to drive
Color blocking color is the number that amber sub-pixel unit is electrically connected with dynamic circuit pixel cell corresponding with the control module
It is electrically connected with according to line, and it is red to control color blocking color in data drive circuit pixel cell corresponding with the control module
The data wire that the sub-pixel unit of color is electrically connected with disconnects；When receiving four level signal that module is sent described reversely,
It is red sub-pixel unit to control color blocking color in data drive circuit pixel cell corresponding with the control module
The data line electrical connection of electric connection, and control in data drive circuit pixel cell corresponding with the control module
Color blocking color is that the data wire that amber sub-pixel unit is electrically connected with disconnects；
The reverse module, is specifically included：First reverser and the second reverser；Wherein,
The input of first reverser is electrically connected with the illuminant module, the output end of first reverser respectively with
The input of the first input end of each control module and second reverser is electrically connected with and is grounded；
Second input of the output end of second reverser and each control module is electrically connected with and is grounded.
2. display device as claimed in claim 1, it is characterised in that the illuminant module, specifically include：Optical sensor；
The optical sensor and the input of the reversely module are electrically connected with.
3. display device as claimed in claim 1, it is characterised in that the reverse module, in addition to：First resistor and second
Resistance；Wherein,
One end of the first resistor output end with first reverser, the input of second reverser and each respectively
The first input end of the control module is electrically connected with, the other end ground connection of the first resistor；
The second input with the output end and each control module of second reverser respectively of one end of the second resistance
End is electrically connected with, the other end ground connection of the second resistance.
4. display device as claimed in claim 1, it is characterised in that the control module, specifically include：First switch crystal
Pipe and second switch transistor；Wherein,
The grid of the first switch transistor is defeated with the output end of first reverser and second reverser respectively
Enter end to be electrically connected with, source electrode and the data drive circuit of the first switch transistor are electrically connected with, the first switch
Color blocking color is that amber sub-pixel unit electrically connects in the drain electrode of transistor pixel cell corresponding with the control module
The data line electrical connection connect；
The output end of the grid of the second switch transistor and second reverser is electrically connected with, the second switch crystal
The source electrode of pipe is electrically connected with the data drive circuit, and the drain electrode of the second switch transistor is corresponding with the control module
Pixel cell in the data line electrical connection that is electrically connected with for red sub-pixel unit of color blocking color.
5. display device as claimed in claim 4, it is characterised in that each first switch transistor and each described second is opened
Pass transistor is P-type transistor；Or
Each first switch transistor and each second switch transistor are N-type transistor.
6. display device as claimed in claim 1, it is characterised in that the control circuit, in addition to：Amplification module；
The amplification module, for receiving and amplifying the first level signal and second electrical level signal of the illuminant module output,
And give the first level signal after amplification and second electrical level signal output to the reverse module.
7. display device as claimed in claim 6, it is characterised in that the amplification module, specifically include：Amplifier；
The input of the amplifier and the illuminant module are electrically connected with, the output end of the amplifier and described first reverse
The input of device is electrically connected with.
8. the display device as described in claim any one of 1-7, it is characterised in that the default light intensity is more than or equal to 5cd,
And it is less than or equal to 50cd.
9. the display device as described in claim any one of 1-7, it is characterised in that each pixel cell also includes one
The sub-pixel unit that color blocking color is the sub-pixel unit of green and a color blocking color is blueness；
Color blocking color is that red, green, blue and amber sub-pixel unit arranges in two rows two in each pixel cell
Arrangement arranges arrangement in a line four.
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| US7532181B2 (en) * | 2005-07-20 | 2009-05-12 | Eastman Kodak Company | Visible and invisible image display |
| US9390650B2 (en) * | 2013-08-30 | 2016-07-12 | L-3 Communications Corporation | Night vision compatible display |
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| CN102034446A (en) * | 2009-10-08 | 2011-04-27 | 乐金显示有限公司 | Liquid crystal display device and method of driving the same |
| CN102967931A (en) * | 2009-10-24 | 2013-03-13 | 佛山市顺德区汉达精密电子科技有限公司 | Liquid crystal display (LCD) device suitable for night vision system and backlight module thereof |
| CN102289100A (en) * | 2010-06-21 | 2011-12-21 | 神讯电脑(昆山)有限公司 | Liquid crystal display device suitable for night vision device |
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