CN105070206A - Display device - Google Patents
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- CN105070206A CN105070206A CN201510608423.6A CN201510608423A CN105070206A CN 105070206 A CN105070206 A CN 105070206A CN 201510608423 A CN201510608423 A CN 201510608423A CN 105070206 A CN105070206 A CN 105070206A
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Abstract
The invention discloses a display device. In the display device, each pixel unit in a display panel at least comprises a sub-pixel unit with amber resistor color and a sub-pixel unit with red resistor color; a printed circuit board (PCB) comprises a data drive circuit and a control circuit; when the intensity of ambient light is lower than or equal to the preset light intensity, the control circuit controls the data drive circuit to output corresponding gray-level signals to data lines electrically connected with the sub-pixel units with amber resistor color; and when the intensity of ambient light is higher than the preset light intensity, the control circuit controls the data drive circuit to output corresponding gray-level signals to data lines electrically connected with the sub-pixel units with red resistor color. The display device has the beneficial effects that night vision display can be achieved without arranging light filters in the display device, so that not only can the display device be used day and night but also the production cost of the display device can be reduced.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of display device.
Background technology
In the application that some is special, such as military, police and scientific and technological etc., need the information such as such as image, word and the dynamic image presented in night observation display device.Because visible ray at night is very faint, and infrared light invisible to the human eye is very abundant, and this greatly affects the information that human eye presents in night observation display device, and therefore, night vision display device is arisen at the historic moment.
At present, existing night vision display device is generally the optical filter increasing a filter ruddiness in the display device of routine, ruddiness in the information that display device can present by this optical filter comprises infrared light and filters, thus human eye can be made more clearly to differentiate at night the information that display device presents.
But, the optical filter of filter ruddiness is added in above-mentioned night vision display device, the environment for use of above-mentioned night vision display device is made to be only limitted to night, and use the problem that can there is color disappearance during above-mentioned night vision display device by day, further, the cost of the optical filter of the filter ruddiness increased in above-mentioned night vision display device is higher.
Therefore, how providing a kind of compatible display device used round the clock, is the technical matters that those skilled in the art need solution badly.
Summary of the invention
In view of this, embodiments provide a kind of display device, in order to provide a kind of compatible display device used round the clock.
Therefore, embodiments provide a kind of display device, comprising: display panel and the printed circuit board (PCB) bound with described display panel; Described display panel comprises multiple pixel cells of the arrangement in matrix; Each described pixel cell comprises at least four different sub-pixel unit of color blocking color;
It is amber sub-pixel unit and color blocking color is red sub-pixel unit that each described pixel cell at least comprises a color blocking color;
Described printed circuit board (PCB) comprises data drive circuit and control circuit;
Described control circuit, for controlling described data drive circuit when the light intensity of external environmental light is less than or equal to default light intensity to being that the data line that amber sub-pixel unit is electrically connected exports corresponding grayscale signal with color blocking color, control described data drive circuit when the light intensity of external environmental light is greater than default light intensity to being that the data line that red sub-pixel unit is electrically connected exports corresponding grayscale signal with color blocking color.
In a kind of possible implementation, in the above-mentioned display device that the embodiment of the present invention provides, described control circuit, comprising: illuminant module, oppositely module and with the described pixel cell of each row multiple control module one to one; Wherein,
Described illuminant module, for receiving external environmental light and the light intensity of the external environmental light of reception and described default light intensity being compared; When the light intensity of the external environmental light received is less than or equal to described default light intensity, export the first level signal to described reverse module; When the light intensity of the external environmental light received is greater than described default light intensity, export second electrical level signal to described reverse module;
Described reverse module, for when receiving the first level signal that described illuminant module sends, the first input end to each described control module sends three level signal; When receiving the second electrical level signal that described illuminant module sends, the first input end to each described control module sends the 4th level signal;
Described control module, for when receiving the three level signal that described reverse module sends, controlling color blocking color in the described data drive circuit pixel cell corresponding with described control module is that the data line that amber sub-pixel unit is electrically connected is electrically connected, and to control color blocking color in the described data drive circuit pixel cell corresponding with described control module be that the data line that red sub-pixel unit is electrically connected disconnects; When receiving the 4th level signal that described reverse module sends, controlling color blocking color in the described data drive circuit pixel cell corresponding with described control module is that the data line that red sub-pixel unit is electrically connected is electrically connected, and to control color blocking color in the described data drive circuit pixel cell corresponding with described control module be that the data line that amber sub-pixel unit is electrically connected disconnects.
In a kind of possible implementation, in the above-mentioned display device that the embodiment of the present invention provides, described illuminant module, specifically comprises: optical sensor;
The input end of described optical sensor and described reverse module is electrically connected.
In a kind of possible implementation, in the above-mentioned display device that the embodiment of the present invention provides, described reverse module, specifically comprises: the first reverser and the second reverser; Wherein,
Input end and the described optical sensor of described first reverser are electrically connected, and the output terminal of described first reverser is electrically connected and ground connection with the first input end of each described control module and the input end of described second reverser respectively;
The output terminal of described second reverser and the second input end of each described control module are electrically connected and ground connection.
In a kind of possible implementation, in the above-mentioned display device that the embodiment of the present invention provides, described reverse module, also comprises: the first resistance and the second resistance; Wherein,
One end of described first resistance is electrically connected with the first input end of the output terminal of described first reverser, the input end of described second reverser and each described control module respectively, the other end ground connection of described first resistance;
One end of described second resistance is electrically connected with the output terminal of described second reverser and the second input end of each described control module respectively, the other end ground connection of described second resistance.
In a kind of possible implementation, in the above-mentioned display device that the embodiment of the present invention provides, described control module, specifically comprises: the first switching transistor and second switch transistor; Wherein,
The grid of described first switching transistor is electrically connected with the output terminal of described first reverser and the input end of described second reverser respectively, source electrode and the described data drive circuit of described first switching transistor are electrically connected, and in the pixel cell that the drain electrode of described first switching transistor is corresponding with described control module, color blocking color is that the data line that amber sub-pixel unit is electrically connected is electrically connected;
The grid of described second switch transistor and the output terminal of described second reverser are electrically connected, source electrode and the described data drive circuit of described second switch transistor are electrically connected, and in the pixel cell that the drain electrode of described second switch transistor is corresponding with described control module, color blocking color is that the data line that red sub-pixel unit is electrically connected is electrically connected.
In a kind of possible implementation, in the above-mentioned display device that the embodiment of the present invention provides, each described first switching transistor and each described second switch transistor are P-type crystal pipe; Or,
Each described first switching transistor and each described second switch transistor are N-type transistor.
In a kind of possible implementation, in the above-mentioned display device that the embodiment of the present invention provides, described control circuit, also comprises: amplification module;
Described amplification module, for receive and amplify described illuminant module export the first level signal and second electrical level signal, and by amplify after the first level signal and second electrical level signal export to described reverse module.
In a kind of possible implementation, in the above-mentioned display device that the embodiment of the present invention provides, described amplification module, specifically comprises: amplifier;
Input end and the described optical sensor of described amplifier are electrically connected, and the output terminal of described amplifier and the input end of described first reverser are electrically connected.
In a kind of possible implementation, in the above-mentioned display device that the embodiment of the present invention provides, described default light intensity is more than or equal to 5cd, and is less than or equal to 50cd.
In a kind of possible implementation, in the above-mentioned display device that the embodiment of the present invention provides, it be green sub-pixel unit and a color blocking color is blue sub-pixel unit that each described pixel cell also comprises a color blocking color;
In each described pixel cell, color blocking color is red, green, blue and amber sub-pixel unit is arranged in two rows or arrange arrangement in a line four.
The above-mentioned display device that the embodiment of the present invention provides, in the display device, it be amber sub-pixel unit and color blocking color is red sub-pixel unit that each pixel cell in display panel at least comprises a color blocking color, and printed circuit board (PCB) comprises data drive circuit and control circuit; When the light intensity of external environmental light is less than or equal to default light intensity, this control circuit control data driving circuit is to being that the data line that amber sub-pixel unit is electrically connected exports corresponding grayscale signal with color blocking color, do not comprise redness in the picture that display device is shown, thus make display device may be used for night vision display; When the light intensity of external environmental light is greater than default light intensity, this control circuit control data driving circuit is to being that the data line that red sub-pixel unit is electrically connected exports corresponding grayscale signal with color blocking color, comprise redness in the picture that display device is shown, thus there is not the problem of color disappearance in the picture that display device is shown; Like this, night vision display can be realized without the need to arranging optical filter in a display device, thus display device not only can be made to realize compatible round the clock use, the production cost of display device can also be reduced; Further, increase amber between red and green, it can rich colors, can not produce infrared light again and affect night vision display.
Accompanying drawing explanation
The structural representation of the above-mentioned display device that Fig. 1 provides for the embodiment of the present invention;
The concrete structure schematic diagram of the above-mentioned display device that Fig. 2 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the display device that the embodiment of the present invention provides is described in detail.
A kind of display device that the embodiment of the present invention provides, as shown in Figure 1, comprising: display panel 1 and the printed circuit board (PCB) 2 bound with display panel 1; Display panel 1 comprises multiple pixel cells (in Fig. 1, dotted line frame is depicted as a pixel cell, and Fig. 1 illustrates four lines two row pixel cell) of the arrangement in matrix; Each pixel cell comprises at least four different sub-pixel unit of color blocking color; Fig. 1 comprises four different sub-pixel unit of color blocking color for each pixel cell;
Each pixel cell at least comprises the sub-pixel unit that sub-pixel unit that a color blocking color is amber (A) and color blocking color are red (R);
Printed circuit board (PCB) 2 comprises data drive circuit 3 and control circuit 4;
Control circuit 4, exports corresponding grayscale signal for controlling data drive circuit 3 when the light intensity of external environmental light is less than or equal to default light intensity to the data line 5A that the color blocking color sub-pixel unit that is amber (A) is electrically connected, when the light intensity of external environmental light is greater than default light intensity, control data drive circuit 3 exports corresponding grayscale signal to the data line 5R that the color blocking color sub-pixel unit that is redness (R) is electrically connected.
The above-mentioned display device that the embodiment of the present invention provides, in the display device, it be amber sub-pixel unit and color blocking color is red sub-pixel unit that each pixel cell in display panel at least comprises a color blocking color, and printed circuit board (PCB) comprises data drive circuit and control circuit; When the light intensity of external environmental light is less than or equal to default light intensity, this control circuit control data driving circuit is to being that the data line that amber sub-pixel unit is electrically connected exports corresponding grayscale signal with color blocking color, do not comprise redness in the picture that display device is shown, thus make display device may be used for night vision display; When the light intensity of external environmental light is greater than default light intensity, this control circuit control data driving circuit is to being that the data line that red sub-pixel unit is electrically connected exports corresponding grayscale signal with color blocking color, comprise redness in the picture that display device is shown, thus there is not the problem of color disappearance in the picture that display device is shown; Like this, night vision display can be realized without the need to arranging optical filter in a display device, thus display device not only can be made to realize compatible round the clock use, the production cost of display device can also be reduced; Further, increase amber between red and green, it can rich colors, can not produce infrared light again and affect night vision display.
It should be noted that, the above-mentioned display device that the embodiment of the present invention provides can realize compatible round the clock use, namely external environmental light comparatively abundance such as daytime time, can bore hole identification display device display information, when external environmental light comparatively faint such as night, the information that display device display observed by night vision goggles can be worn.Further, the color shown to make display device is closer to naturally actual and colour gamut is wider, and color blocking color is that the redness of red sub-pixel unit can comprise infrared part, and color blocking color is that the blueness of blue sub-pixel unit can comprise ultraviolet portion.
In the specific implementation, in the above-mentioned display device that the embodiment of the present invention provides, as shown in Figure 1, each pixel cell, except comprising sub-pixel unit that a color blocking color is amber (A) and a color blocking color is except the sub-pixel unit of red (R), can also comprise the sub-pixel unit that sub-pixel unit that a color blocking color be green (G) and color blocking color are blueness (B); As shown in Figure 1, in each pixel cell color blocking color be amber (A), red (R), green (G) and blue (B) sub-pixel unit can arrange in a line four and arrange; Or, in each pixel cell color blocking color be amber (A), red (R), green (G) and blueness (B) sub-pixel unit also can be arranged in two rows, do not limit at this.
Certainly, in the above-mentioned display device that the embodiment of the present invention provides, each pixel cell also can comprise color blocking color and be respectively amber (A), red (R), green (G), blue (B) and yellow (Y) five sub-pixel unit, does not limit at this.For each pixel cell, following examples that the present invention provides all comprise that color blocking color is amber (A), red (R), green (G) and blueness (B) four sub-pixel unit are described.
In the specific implementation, in the above-mentioned display device that the embodiment of the present invention provides, as shown in Figure 1, control circuit 4, can comprise: illuminant module 6, oppositely module 7 and with each row pixel cell multiple control module 8 one to one; Wherein,
Illuminant module 6, for receiving external environmental light and the light intensity of the external environmental light of reception and default light intensity being compared; When the light intensity of the external environmental light received is less than or equal to default light intensity, export the first level signal to reverse module 7; When the light intensity of the external environmental light received is greater than default light intensity, export second electrical level signal to reverse module 7;
Reverse module 7, for when receiving the first level signal that illuminant module 6 sends, the first input end to each control module 8 sends three level signal; When receiving the second electrical level signal that illuminant module 6 sends, the first input end to each control module 8 sends the 4th level signal;
Control module 8, for when receiving the three level signal that reverse module 7 sends, in the pixel cell that control data driving circuit 3 is corresponding with control module color blocking color be amber (A) sub-pixel unit be electrically connected data line 5A be electrically connected, and color blocking color is that the data line 5R that the sub-pixel unit of red (R) is electrically connected disconnects in control data driving circuit 3 pixel cell corresponding with control module, now, data drive circuit 3 is amber (A) to color blocking color in each pixel cell, the sub-pixel unit input grayscale signal of green (G) and blue (B), make the picture shown by display device only by amber (A), green (G) and blue (B) presents, thus human eye can be made when visible ray comparatively faint such as night also clearly to observe the information of display device display, when receiving the 4th level signal that reverse module 7 sends, in the pixel cell that control data driving circuit 3 is corresponding with control module, color blocking color is that the data line 5R that the sub-pixel unit of red (R) is electrically connected is electrically connected, and color blocking color is that the data line 5A that the sub-pixel unit of amber (A) is electrically connected disconnects in control data driving circuit 3 pixel cell corresponding with control module, now, data drive circuit 3 is red (R) to color blocking color in each pixel cell, the sub-pixel unit input grayscale signal of green (G) and blue (B), make picture shown by display device only by red (R), green (G) and blue (B) presents, thus human eye can be made when visible ray comparatively sufficient such as daytime also clearly to observe the information of display device display, and there is not the problem of color disappearance in this information, in sum, the above-mentioned display device that the embodiment of the present invention provides can realize compatible round the clock use.
It should be noted that, in the above-mentioned display device that the embodiment of the present invention provides, the first level signal can be high level signal, and second electrical level signal is low level signal, then three level signal is low level signal, and the 4th level signal is high level signal; Or the first level signal also can be low level signal, and second electrical level signal is high level signal, then three level signal is high level signal, and the 4th level signal is low level signal; Do not limit at this.
In the specific implementation, in the above-mentioned display device that the embodiment of the present invention provides, as shown in Figure 2, illuminant module 6, specifically can comprise: optical sensor P; The input end of optical sensor P and reverse module 7 is electrically connected.
When illuminant module 6 in control circuit 4 in the above-mentioned display device that the embodiment of the present invention provides specifically adopts above-mentioned optical sensor P as concrete structure, its principle of work is: optical sensor P receives external environmental light and the default light intensity prestored in the light intensity of the external environmental light of reception and this optical sensor P compared, when the light intensity of the external environmental light received is less than or equal to default light intensity, optical sensor P exports the first level signal to reverse module 7, reverse module 7 exports three level signal to the first input end of each control module 8, color blocking color in each control module 8 control data driving circuit 3 pixel cell corresponding with this control module is made to be that the data line 5A that the sub-pixel unit of amber (A) is electrically connected is electrically connected, and color blocking color is that the data line 5R that the sub-pixel unit of red (R) is electrically connected disconnects in control data driving circuit 3 pixel cell corresponding with this control module, when the light intensity of the external environmental light received is greater than default light intensity, optical sensor P exports second electrical level signal to reverse module 7, reverse module 7 exports the 4th level signal to the first input end of each control module 8, color blocking color in each control module 8 control data driving circuit 3 pixel cell corresponding with this control module is made to be that the data line 5R that the sub-pixel unit of red (R) is electrically connected is electrically connected, and color blocking color is that the data line 5A that the sub-pixel unit of amber (A) is electrically connected disconnects in control data driving circuit 3 pixel cell corresponding with this control module.
In the specific implementation, in the above-mentioned display device that the embodiment of the present invention provides, as shown in Figure 2, reverse module 7, specifically can comprise: the first reverser M
1with the second reverser M
2; Wherein,
First reverser M
1input end m
11be electrically connected with optical sensor P, the first reverser M
1output terminal m
12respectively with first input end and the second reverser M of each control module 8
2input end m
21be electrically connected and ground connection;
Second reverser M
2output terminal m
22be electrically connected and ground connection with the second input end of each control module 8.
Reverse module 7 in control circuit 4 in the above-mentioned display device that the embodiment of the present invention provides specifically adopts above-mentioned first reverser M
1with the second reverser M
2during as concrete structure, its principle of work is: when the light intensity of external environmental light is less than or equal to default light intensity, and optical sensor P is to the first reverser M
1input end m
11export the first level signal, the first reverser M
1to first input end and the second reverser M of each control module 8
2input end m
21export three level signal, make color blocking color in each control module 8 control data driving circuit 3 pixel cell corresponding with this control module be that the data line 5A that the sub-pixel unit of amber (A) is electrically connected is electrically connected, and in control data driving circuit 3 pixel cell corresponding with this control module, color blocking color is that the data line 5R that the sub-pixel unit of red (R) is electrically connected disconnects; When the light intensity of external environmental light is greater than default light intensity, optical sensor P is to the first reverser M
1input end m
11export second electrical level signal, the first reverser M
1to first input end and the second reverser M of each control module 8
2input end m
21export the 4th level signal, make color blocking color in each control module 8 control data driving circuit 3 pixel cell corresponding with this control module be that the data line 5R that the sub-pixel unit of red (R) is electrically connected is electrically connected, and in control data driving circuit 3 pixel cell corresponding with this control module, color blocking color is that the data line 5A that the sub-pixel unit of amber (A) is electrically connected disconnects.
Preferably, in the above-mentioned display device that the embodiment of the present invention provides, as shown in Figure 2, reverse module 7, can also comprise: the first resistance R
1with the second resistance R
2; Wherein, the first resistance R
1one end r
11respectively with the first reverser M
1output terminal m
12, the second reverser M
2input end m
21be electrically connected with the first input end of each control module 8, the other end r of the first resistance R1
12ground connection; Second resistance R
2one end r
21respectively with the second reverser M
2output terminal m
22be electrically connected with the second input end of each control module 8, the second resistance R
2other end r
22ground connection; First resistance R
1the second reverser M can be prevented
2reverse crosstalk voltage and printed circuit board (PCB) 2 upward wiring between undesired signal harmful effect is produced to the first input end of each control module 8, the second resistance R
2can prevent second input end of the undesired signal between printed circuit board (PCB) 2 upward wiring to each control module 8 from producing harmful effect.
In the specific implementation, in the above-mentioned display device that the embodiment of the present invention provides, as shown in Figure 2, control module 8, specifically can comprise: the first switching transistor T
1with second switch transistor T
2; Wherein,
First switching transistor T
1grid respectively with the first reverser M
1output terminal m
12with the second reverser M
2input end m
21be electrically connected, the first switching transistor T
1source electrode and data drive circuit 3 be electrically connected, the first switching transistor T
1the drain electrode pixel cell corresponding with control module in color blocking color be that the data line 5A that the sub-pixel unit of amber (A) is electrically connected is electrically connected;
Second switch transistor T
2grid and the second reverser M
2output terminal m
22be electrically connected, second switch transistor T
2source electrode and data drive circuit 3 be electrically connected, second switch transistor T
2the drain electrode pixel cell corresponding with control module in color blocking color be that the data line 5R that the sub-pixel unit of red (R) is electrically connected is electrically connected.
It should be noted that, in the above-mentioned display device that the embodiment of the present invention provides, the first reverser can make the first switching transistor only be in unlatching or closed condition and do not have intermediateness; Second reverser can make second switch transistor only be in unlatching or closed condition and do not have intermediateness.
In the specific implementation, in the above-mentioned display device that the embodiment of the present invention provides, the first switching transistor T
1with second switch transistor T
2it can be N-type transistor; Or, the first switching transistor T
1with second switch transistor T
2also can be P-type crystal pipe, not limit at this.With the first switching transistor T
1with second switch transistor T
2for N-type transistor is that example is described, optical sensor P is to the first reverser M
1input end m
11the first level signal exported is low level signal, the first reverser M
1to each first switching transistor T
1grid and the second reverser M
2input end m
21the three level signal exported is high level signal, makes each first switching transistor T
1be in conducting state, the second reverser M
2to each second switch transistor T
2grid output low level signal, make each second switch transistor T
2disconnect, thus make color blocking color in the pixel cell that data drive circuit 3 is corresponding with this control module be that the data line 5A that the sub-pixel unit of amber (A) is electrically connected is electrically connected, and color blocking color in data drive circuit 3 pixel cell corresponding with this control module is made to be that the data line 5R that the sub-pixel unit of red (R) is electrically connected disconnects; Optical sensor P is to the first reverser M
1input end m
11the second electrical level signal exported is high level signal, the first reverser M
1to each first switching transistor T
1grid and the second reverser M
2input end m
21the 4th level signal exported is low level signal, makes each first switching transistor T
1disconnect, the second reverser M
2to each second switch transistor T
2grid export high level signal, make each second switch transistor T
2be in conducting state, thus make color blocking color in data drive circuit 3 pixel cell corresponding with this control module be that the data line 5R that the sub-pixel unit of red (R) is electrically connected is electrically connected, and color blocking color in the pixel cell that data drive circuit 3 is corresponding with this control module is made to be that the data line 5A that the sub-pixel unit of amber (A) is electrically connected disconnects.
Control module 8 in control circuit 4 in the above-mentioned display device that the embodiment of the present invention provides specifically adopts above-mentioned first switching transistor T
1with second switch transistor T
2during as concrete structure, with the first switching transistor T
1with second switch transistor T
2for N-type transistor is that example is described, its principle of work is: when the light intensity of external environmental light is less than or equal to default light intensity, and optical sensor P is to the first reverser M
1input end m
11the first level signal exported is low level signal, the first reverser M
1to each first switching transistor T
1grid and the second reverser M
2input end m
21the three level signal exported is high level signal, makes each first switching transistor T
1be in conducting state, the second reverser M
2to each second switch transistor T
2grid output low level signal, make each second switch transistor T
2disconnect, thus make color blocking color in the pixel cell that data drive circuit 3 is corresponding with this control module be that the data line 5A that the sub-pixel unit of amber (A) is electrically connected is electrically connected, and color blocking color in data drive circuit 3 pixel cell corresponding with this control module is made to be that the data line 5R that the sub-pixel unit of red (R) is electrically connected disconnects; When the light intensity of external environmental light is greater than default light intensity, optical sensor P is to the first reverser M
1input end m
11the second electrical level signal exported is high level signal, the first reverser M
1to each first switching transistor T
1grid and the second reverser M
2input end m
21output low level signal, makes each first switching transistor T
1disconnect, the second reverser M
2to each second switch transistor T
2grid export high level signal, make each second switch transistor T
2be in conducting state, thus make color blocking color in data drive circuit 3 pixel cell corresponding with this control module be that the data line 5R that the sub-pixel unit of red (R) is electrically connected is electrically connected, and color blocking color in the pixel cell that data drive circuit 3 is corresponding with this control module is made to be that the data line 5A that the sub-pixel unit of amber (A) is electrically connected disconnects.
Preferably, in the above-mentioned display device that the embodiment of the present invention provides, as shown in Figure 1, control circuit 4, can also comprise: amplification module 9; Amplification module 9, for receive and amplify illuminant module 6 export the first level signal and second electrical level signal, and by amplify after the first level signal and second electrical level signal export to reverse module 7; Like this, the sensitivity that display device switches night vision display state and conventional display state can be improved.
In the specific implementation, in the above-mentioned display device that the embodiment of the present invention provides, as shown in Figure 2, amplification module 9, specifically can comprise: amplifier A; The input end a of amplifier A
1be electrically connected with optical sensor P, the output terminal a of amplifier A
2with the first reverser M
1input end m
11be electrically connected.
When amplification module 9 in control circuit 4 in the above-mentioned display device that the embodiment of the present invention provides specifically adopts above-mentioned amplifier A as concrete structure, its principle of work is: when the light intensity of external environmental light is less than or equal to default light intensity, and optical sensor P is to the input end a of amplifier A
1export the first level signal, amplifier A is to the first reverser M
1input end m
11export the first level signal after amplifying; When the light intensity of external environmental light is greater than default light intensity, optical sensor P is to the input end a of amplifier A
1export second electrical level signal, amplifier A is to the first reverser M
1input end m
11export the second electrical level signal after amplifying.
Preferably, in the above-mentioned display device that the embodiment of the present invention provides, the size of default light intensity can be controlled be more than or equal to 5cd, and the scope being less than or equal to 50cd is good.Particularly, the size of field to default light intensity can applied according to display device regulates, and does not limit at this.
It should be noted that, control circuit in the above-mentioned display device that the embodiment of the present invention provides is not limited to structure as depicted in figs. 1 and 2, in the above-mentioned display device that the embodiment of the present invention provides, data drive circuit can also be converted to and there are four output ports, be amber (A) respectively with color blocking color, red (R), the data line 5A of the sub-pixel unit electric connection of green (G) and blue (B), 5R, 5G and 5B is electrically connected, when the light intensity of external environmental light is less than or equal to default light intensity, data drive circuit is to being amber (A) with color blocking color, the data line 5A of the sub-pixel unit electric connection of green (G) and blue (B), 5G and 5B exports corresponding grayscale signal, data drive circuit is controlled to being red (R) with color blocking color when the light intensity of external environmental light is greater than default light intensity, the data line 5R of the sub-pixel unit electric connection of green (G) and blue (B), 5G and 5B exports corresponding grayscale signal, do not limit at this.
It should be noted that, the above-mentioned display device that the embodiment of the present invention provides, Ke Yiwei: any product or parts with Presentation Function such as mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.
A kind of display device that the embodiment of the present invention provides, in the display device, it be amber sub-pixel unit and color blocking color is red sub-pixel unit that each pixel cell in display panel at least comprises a color blocking color, and printed circuit board (PCB) comprises data drive circuit and control circuit; When the light intensity of external environmental light is less than or equal to default light intensity, this control circuit control data driving circuit is to being that the data line that amber sub-pixel unit is electrically connected exports corresponding grayscale signal with color blocking color, do not comprise redness in the picture that display device is shown, thus make display device may be used for night vision display; When the light intensity of external environmental light is greater than default light intensity, this control circuit control data driving circuit is to being that the data line that red sub-pixel unit is electrically connected exports corresponding grayscale signal with color blocking color, comprise redness in the picture that display device is shown, thus there is not the problem of color disappearance in the picture that display device is shown; Like this, night vision display can be realized without the need to arranging optical filter in a display device, thus display device not only can be made to realize compatible round the clock use, the production cost of display device can also be reduced; Further, increase amber between red and green, it can rich colors, can not produce infrared light again and affect night vision display.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (11)
1. a display device, comprising: display panel and the printed circuit board (PCB) bound with described display panel; Described display panel comprises multiple pixel cells of the arrangement in matrix; Each described pixel cell comprises at least four different sub-pixel unit of color blocking color; It is characterized in that:
It is amber sub-pixel unit and color blocking color is red sub-pixel unit that each described pixel cell at least comprises a color blocking color;
Described printed circuit board (PCB) comprises data drive circuit and control circuit;
Described control circuit, for controlling described data drive circuit when the light intensity of external environmental light is less than or equal to default light intensity to being that the data line that amber sub-pixel unit is electrically connected exports corresponding grayscale signal with color blocking color, control described data drive circuit when the light intensity of external environmental light is greater than default light intensity to being that the data line that red sub-pixel unit is electrically connected exports corresponding grayscale signal with color blocking color.
2. display device as claimed in claim 1, it is characterized in that, described control circuit, comprising: illuminant module, oppositely module and with the described pixel cell of each row multiple control module one to one; Wherein,
Described illuminant module, for receiving external environmental light and the light intensity of the external environmental light of reception and described default light intensity being compared; When the light intensity of the external environmental light received is less than or equal to described default light intensity, export the first level signal to described reverse module; When the light intensity of the external environmental light received is greater than described default light intensity, export second electrical level signal to described reverse module;
Described reverse module, for when receiving the first level signal that described illuminant module sends, the first input end to each described control module sends three level signal; When receiving the second electrical level signal that described illuminant module sends, the first input end to each described control module sends the 4th level signal;
Described control module, for when receiving the three level signal that described reverse module sends, controlling color blocking color in the described data drive circuit pixel cell corresponding with described control module is that the data line that amber sub-pixel unit is electrically connected is electrically connected, and to control color blocking color in the described data drive circuit pixel cell corresponding with described control module be that the data line that red sub-pixel unit is electrically connected disconnects; When receiving the 4th level signal that described reverse module sends, controlling color blocking color in the described data drive circuit pixel cell corresponding with described control module is that the data line that red sub-pixel unit is electrically connected is electrically connected, and to control color blocking color in the described data drive circuit pixel cell corresponding with described control module be that the data line that amber sub-pixel unit is electrically connected disconnects.
3. display device as claimed in claim 2, it is characterized in that, described illuminant module, specifically comprises: optical sensor;
The input end of described optical sensor and described reverse module is electrically connected.
4. display device as claimed in claim 3, it is characterized in that, described reverse module, specifically comprises: the first reverser and the second reverser; Wherein,
Input end and the described optical sensor of described first reverser are electrically connected, and the output terminal of described first reverser is electrically connected and ground connection with the first input end of each described control module and the input end of described second reverser respectively;
The output terminal of described second reverser and the second input end of each described control module are electrically connected and ground connection.
5. display device as claimed in claim 4, it is characterized in that, described reverse module, also comprises: the first resistance and the second resistance; Wherein,
One end of described first resistance is electrically connected with the first input end of the output terminal of described first reverser, the input end of described second reverser and each described control module respectively, the other end ground connection of described first resistance;
One end of described second resistance is electrically connected with the output terminal of described second reverser and the second input end of each described control module respectively, the other end ground connection of described second resistance.
6. display device as claimed in claim 5, it is characterized in that, described control module, specifically comprises: the first switching transistor and second switch transistor; Wherein,
The grid of described first switching transistor is electrically connected with the output terminal of described first reverser and the input end of described second reverser respectively, source electrode and the described data drive circuit of described first switching transistor are electrically connected, and in the pixel cell that the drain electrode of described first switching transistor is corresponding with described control module, color blocking color is that the data line that amber sub-pixel unit is electrically connected is electrically connected;
The grid of described second switch transistor and the output terminal of described second reverser are electrically connected, source electrode and the described data drive circuit of described second switch transistor are electrically connected, and in the pixel cell that the drain electrode of described second switch transistor is corresponding with described control module, color blocking color is that the data line that red sub-pixel unit is electrically connected is electrically connected.
7. display device as claimed in claim 6, it is characterized in that, each described first switching transistor and each described second switch transistor are P-type crystal pipe; Or,
Each described first switching transistor and each described second switch transistor are N-type transistor.
8. display device as claimed in claim 4, it is characterized in that, described control circuit, also comprises: amplification module;
Described amplification module, for receive and amplify described illuminant module export the first level signal and second electrical level signal, and by amplify after the first level signal and second electrical level signal export to described reverse module.
9. display device as claimed in claim 8, it is characterized in that, described amplification module, specifically comprises: amplifier;
Input end and the described optical sensor of described amplifier are electrically connected, and the output terminal of described amplifier and the input end of described first reverser are electrically connected.
10. the display device as described in any one of claim 1-9, is characterized in that, described default light intensity is more than or equal to 5cd, and is less than or equal to 50cd.
11. display device as described in any one of claim 1-9, is characterized in that, it be green sub-pixel unit and a color blocking color is blue sub-pixel unit that each described pixel cell also comprises a color blocking color;
In each described pixel cell, color blocking color is red, green, blue and amber sub-pixel unit is arranged in two rows or arrange arrangement in a line four.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107025878A (en) * | 2017-04-25 | 2017-08-08 | 武汉华星光电技术有限公司 | Drive circuit and display device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070018915A1 (en) * | 2005-07-20 | 2007-01-25 | Eastman Kodak Company | Visible and invisible image display |
| 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 |
| 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 |
| 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 |
| CN204178088U (en) * | 2014-10-22 | 2015-02-25 | 天津通广集团振通电子有限公司 | A kind of intelligent backlight module possessing night vision compatible function |
| US20150062196A1 (en) * | 2013-08-30 | 2015-03-05 | L-3 Communications Corporation | Night vision compatible display |
| CN104635381A (en) * | 2015-03-07 | 2015-05-20 | 合肥工业大学 | Liquid crystal display LED backlight module with night vision compatibility |
-
2015
- 2015-09-22 CN CN201510608423.6A patent/CN105070206B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070018915A1 (en) * | 2005-07-20 | 2007-01-25 | Eastman Kodak Company | Visible and invisible image display |
| 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 |
| US20150062196A1 (en) * | 2013-08-30 | 2015-03-05 | L-3 Communications Corporation | Night vision compatible display |
| CN204178088U (en) * | 2014-10-22 | 2015-02-25 | 天津通广集团振通电子有限公司 | A kind of intelligent backlight module possessing night vision compatible function |
| CN104635381A (en) * | 2015-03-07 | 2015-05-20 | 合肥工业大学 | Liquid crystal display LED backlight module with night vision compatibility |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107025878A (en) * | 2017-04-25 | 2017-08-08 | 武汉华星光电技术有限公司 | Drive circuit and display device |
| CN107025878B (en) * | 2017-04-25 | 2020-01-03 | 武汉华星光电技术有限公司 | Drive circuit and display device |
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|---|---|
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