CN102346996A - Display apparatus and driving circuit thereof - Google Patents
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Abstract
The invention relates to the flat panel display technology field and especially relates to a display apparatus and a driving circuit thereof. The driving circuit is used to drive one display apparatus. The display apparatus comprises a plurality of pixels. The pixel at least comprises one sub-pixel which at least comprises: one color display area and one black and white display area. The driving circuit at least comprises a selection unit. The selection unit is used to select the color display area and /or the black and white display area to display an image. In addition, the invention also provides the display apparatus.
Description
Technical field
The present invention relates to technical field of flat panel display, relate in particular to a kind of display device and driving circuit thereof.
Background technology
In recent years, because traditional C RT displaying appliance has advantages such as low in energy consumption, that volume is little relatively, lcd technology has obtained fast development, and liquid crystal indicator replaces CRT monitor day by day, main flow display device in becoming people's daily life and working.
LCD can be divided into transmissive type liquid crystal display, reflective liquid-crystal display and half reflection and half transmission formula LCD.Transmissive type liquid crystal display has backlight, and the display panels of the light penetration LCD that said backlight sends is realized the demonstration of information such as image or text.Backlight is not set in the reflective liquid-crystal display, but it is than the many reflection configurations of transmissive type liquid crystal display, said reflective liquid-crystal display is realized the demonstration of image or text through said reflection configuration reflect ambient light.Transmissive type liquid crystal display all has preferable display effect under home or dark surrounds; But because of it uses backlight as display light source, its power consumption is bigger, and environmental-protecting performance is not good.Reflective liquid-crystal display has good display effect under well-lighted environment, but under the environment of insufficient light, display effect is relatively poor, and content displayed is difficult for identification usually.
Half reflection and half transmission formula LCD had both had backlight and had also had reflection configuration, and it serves as main the demonstration with the reflection configuration reflect ambient light under the sufficient environment of light, and luminous with backlight under the environment of insufficient light is main the demonstration.Therefore, half reflection and half transmission formula LCD has transmissive type liquid crystal display and reflective liquid-crystal display display property concurrently.
Existing half reflection and half transmission formula LCD 10 as shown in Figure 1, it generally includes color membrane substrates 20, array base palte 30, liquid crystal layer 40, first Polarizer 50, second Polarizer 60 and backlight 70.Said color membrane substrates 20 is oppositely arranged with said array base palte 30.Said liquid crystal layer 40 is held between color membrane substrates 20 and the array base palte 30.Said first Polarizer 50 is incorporated on the said color membrane substrates 20, and said first Polarizer 50 and liquid crystal layer 40 are respectively in the both sides of said color membrane substrates 20.Second Polarizer 60 is incorporated on the said array base palte 30, and said second Polarizer 60 and liquid crystal layer 40 are respectively in the both sides of said array base palte 30.Said backlight 70 is incorporated into said second Polarizer 60, and lays respectively at the both sides of said second Polarizer 60 with said array base palte 30, and said backlight 70 is used for providing to said half reflection and half transmission formula LCD 10 and shows and use light source.
Said array base palte 30 comprises glass substrate 31, be formed at glass substrate 31 lean on said liquid crystal layer 40 1 sides thin film transistor (TFT) and wiring layer 32 thereof, be formed at pixel electrode layer 33 on said thin film transistor (TFT) and the wiring layer 32 thereof, be formed at the flatness layer 34 on the said pixel electrode layer 33 and be formed at the reflection electrode layer 35 on the said flatness layer 34.Has insulation course (being sign among the figure) between common said pixel electrode layer 33 and thin film transistor (TFT) and the wiring layer 32 thereof; Said pixel electrode layer 33 comprises the pixel that a plurality of spaces are arranged and insulated each other, and said pixel electrically connects through the perforate thin film transistor (TFT) corresponding with said pixel electrode that is arranged on the said insulation course.Said reflection electrode layer 35 is by the reflective metal material; Like metallic aluminium; Be formed on the part of pixel of pixel electrode layer 33; Said reflection electrode layer 35 comprises a plurality of reflecting electrodes; Said a plurality of reflecting electrode is formed at respectively on the part of said a plurality of pixels; And formation echo area; The part that does not form reflecting electrode on the said pixel electrode forms transmission area; Said reflecting electrode is said pixel electrode half of projected area on said glass substrate 31 in the projected area on the said glass substrate 31, and the area of promptly said echo area and said transmission area is identical.
Said color membrane substrates 20 comprises colored filter 21 and common electrode layer 23.Said colored filter 21 further comprises a substrate and is formed at the colored rete on the substrate that it is used to realize that the colour of said half reflection and half transmission formula LCD 10 shows.Said common electrode layer 23 is formed at the side that said colored filter 21 leans on said liquid crystal layer 40 sides; The thickness of the liquid crystal layer 40 between itself and the reflecting electrode is d; The thickness of the liquid crystal layer 40 between the flatness layer 34 on itself and the pixel electrode is D; Wherein has specific relation between D and the d; To guarantee that light that backlight 70 sends is through array base palte 30; Liquid crystal layer 40; The length of the light transmission path of color membrane substrates 20 and surround lighting are through color membrane substrates 20; Liquid crystal layer 40; The length of the light transmission path of color membrane substrates 20 is identical, and the image that echo area and transmission area are formed keeps consistency.Said common electrode layer 23 and pixel electrode 33 1 same-actions; With the liquid crystal deflection in the liquid crystal layer 40 between control common electrode layer 23 and the pixel electrode 23; Realize single pixel " opening " or " pass ", show with image or the literal of realizing said half reflection and half transmission formula LCD 10.
The principle of work of said half reflection and half transmission formula LCD 10 is following:
When said half reflection and half transmission formula LCD 10 is in ambient light good conditions following time, it can utilize the reflection mode to realize that image or literal show.I.e. this moment, backlight 70 is closed, and external environment light passes said color membrane substrates 20 and liquid crystal layer 40, through the reflective electrodes reflects on the said array base palte 30, penetrates through liquid crystal layer 40 and color membrane substrates 20 again.The position that has image or literal to show is loaded with electric field between said common electrode layer 23 and the pixel electrode.
When external environment light was relatively poor, said half reflection and half transmission formula LCD 10 can be opened backlight 70, and utilized transmission mode to realize that image or literal show.I.e. this moment, backlight 70 is opened, and the light that backlight 70 sends penetrates through transmission area, liquid crystal layer 40, color membrane substrates 20 back of array base palte 30, and realization highlights or the demonstration of literal.At this moment, external environment light also can make said half reflection and half transmission formula LCD 10 realize that reflective image or literal show, promptly said half reflection and half transmission formula LCD 10 utilizes reflection mode and transmission mode to realize the demonstration of image or literal simultaneously.
But; In the above-mentioned half reflection and half transmission formula LCD 10; Said array base palte 30 not only comprises flatness layer 34; Also comprise the reflection electrode layer 35 that is formed on the said flatness layer 34; And said flatness layer 34 all is formed on the said array base palte 30 through independent process with said reflection electrode layer 35; Its technology is quite complicated, influences the production efficiency of said array base palte.Simultaneously, the complexity of said processing technology must cause the product yield to descend.
Secondly; Need have specific relation between the thickness D of the liquid crystal layer 40 between the thickness d of the liquid crystal layer 40 between said reflection electrode layer 35 and the said common electrode layer 23 and said flatness layer 34 and the said common electrode layer 23; And realize that this particular kind of relationship need adjust the thickness of reflection electrode layer 35; The adjustment difficulty of the thickness of reflection electrode layer 35 is quite big; Be not easy to realize accurate adjustment, cause the consistance of image that image that the echo area reflects to form or literal and transmission area transmission form or literal relatively poor.
Once more, the colored rete and the pixel electrode of colored filter are paved with whole pixel, and external environment light can subdue 2/3 during through said colored rete, causes the penetrance of light to descend, and then display brightness is descended.Said pixel electrode is paved with whole pixel, makes said half reflection and half transmission formula LCD 10 in reflection mode display image or literal and transmission mode display image or literal process, and power consumption is bigger, and environmental-protecting performance is not good.
At last; Said half reflection and half transmission formula LCD 10 needs to make reflection electrode layer 34; And this reflection electrode layer 35 uses the metal material with reflective usually; Like metallic aluminium; Form through the magnetron sputtering mode; Therefore need have the equipment that is specifically designed to the metal magnetron sputtering, cause the cost of said half reflection and half transmission formula LCD 10 to increase; In addition, make the manufacturing process steps that said reflection electrode layer 34 has increased said half reflection and half transmission formula LCD 10, reduced production efficiency, also improved the probability that substandard products take place simultaneously, cause the decline of yields.
In sum, there are many defectives in existing half reflection and half transmission formula LCD 10, is necessary very much it is carried out revolutionary change.
Summary of the invention
In view of this, be necessary to provide the display device that a kind of manufacture craft is simple, production efficiency is high, production cost is low and display brightness is high.
In addition, also be necessary to provide a kind of driving circuit that is used to drive above-mentioned display device.
A kind of driving circuit is used to drive a display device; Said display device comprises a plurality of pixels; Said pixel comprises a subpixels at least; It comprises a colored viewing area and a white and black displays district at least; Said driving circuit comprises selected cell at least, and said selected cell is used for making selectively said colored viewing area and/or white and black displays district display image.
In the said driving circuit provided by the invention; Said driving circuit also comprises many first data-driven lines; The said first data-driven line is used to transmit first data-signal; Said selected cell comprises that first selects module, and said first selects module to be used for selectively with said first data signal transmission to colored viewing area and/or white and black displays district.
In the said driving circuit provided by the invention; Said driving circuit also comprises many first turntable driving lines; A plurality of the 5th switch member and a plurality of the 6th switch member; The 5th switch member comprises the 5th control end and the 5th input end; Said the 5th control end is connected to said first a turntable driving line; Said the 6th switch member comprises the 6th control end and the 6th input end; Said the 6th control end is connected to the said first turntable driving line that is connected with said the 5th control end; Said first selects module to comprise first selection wire; Second selection wire; First switch member and the second switch spare; First switch member comprises first input end; First output terminal and first control end; Said first input end is connected to said first a data-driven line; Said first output terminal is connected to the 5th input end, and said first control end is connected to said first selection wire; Second switch spare comprises second input end, second output terminal and second control end; Said second input end is connected to the first data-driven line that is electrically connected with said first input end; Said second output terminal is connected to the 6th input end, and said second control end is connected to said second selection wire.
In the said driving circuit provided by the invention; Said driving circuit also comprises the first control signal transmission line; The said first control signal transmission line is used to transmit first control signal; Said selection module comprises that also second selects module, and said second selects module to be used for selectively said first control signal being transferred to said colored viewing area and/or white and black displays district.
In the said driving circuit provided by the invention; Said driving circuit also comprises many first turntable driving lines; A plurality of the 5th switch member and a plurality of the 6th switch member; The 5th switch member comprises the 5th control end and the 5th input end; Said the 5th control end is connected to said first a turntable driving line; Said the 6th switch member comprises the 6th control end and the 6th input end; Said the 6th control end is connected to the said first turntable driving line that is connected with said the 5th control end; Said second selects module to comprise the 3rd selection wire; The 4th selection wire; The 3rd switch member and the 4th switch member; The 3rd switch member comprises the 3rd input end; The 3rd output terminal and the 3rd control end; Said the 3rd input end is connected to the said first control signal transmission line; Said the 3rd output terminal is connected to the 5th input end, and said the 3rd control end is connected to said the 3rd selection wire; The 4th switch member comprises four-input terminal, the 4th output terminal and the 4th control end; Said four-input terminal is connected to the said first control signal transmission line; Said the 4th output terminal is connected to the 6th input end, and said the 4th control end is connected to said the 4th selection wire.
In the said driving circuit provided by the invention; Said display device also comprises first substrate, be formed at colored rete, second substrate on first substrate, be formed at the pixel electrode layer on said second substrate; Said colored rete comprises colored region and transparent region; The corresponding said colored viewing area of said colored region, the corresponding said white and black displays of said transparent region district; Said pixel electrode layer comprises and being set up in parallel and the color region electrode and the black and white region electrode of mutually insulated; Said color region electrode is relative with said colored region, and said black and white region electrode is relative with said transparent region.
In the said driving circuit provided by the invention; Said driving circuit also comprises many second turntable driving lines; The said second turntable driving line is used to transmit second sweep signal; Said selected cell comprises that the 3rd selects module, and the said the 3rd selects module to be used for selectively said second sweep signal being transferred to said colored viewing area and/or white and black displays district.
In the said driving circuit provided by the invention; Said driving circuit also comprises many second data-driven lines; A plurality of the 7th switch member and a plurality of the 8th switch member; The 7th switch member comprises the 7th input end; The 7th output terminal and the 7th control end; The 7th input end is connected to said second a data-driven line; Said the 7th output terminal is connected to said colored viewing area; The 8th switch member comprises the 8th input end; The 8th output terminal and the 8th control end; Said the 8th input end is connected to the second data-driven line that is electrically connected with said the 7th input end; Said the 8th output terminal is connected to said white and black displays district; The said the 3rd selects module to comprise the 5th selection wire; The 6th selection wire; The 9th switch member and the tenth switch member; The 9th switch member comprises the 9th input end; The 9th output terminal and the 9th control end; Said the 9th input end is connected to said second a turntable driving line; Said the 9th output terminal is connected to the 7th control end, and said the 9th control end is connected to said the 5th selection wire; The tenth switch member comprises the tenth input end, the tenth output terminal and the tenth control end; Said the tenth input end is connected to the second turntable driving line that is electrically connected with said the 9th input end; Said the tenth output terminal is connected to the 8th control end, and said the tenth control end is connected to said the 6th selection wire.
In the said driving circuit provided by the invention; Said driving circuit also comprises the second control signal transmission line; The said second control signal transmission line is used to transmit second control signal; Said selected cell comprises that also the 4th selects module, and the said the 4th selects module to be used for selectively this second control signal being transferred to the 7th control end and/or the 8th control end.
In the said driving circuit provided by the invention; The said the 4th selects module to comprise the 7th selection wire; The 8th selection wire; The 11 switch member and twelvemo are closed part; Said the 11 switch member comprises the 11 input end; The 11 output terminal and the 11 control end; Said the 11 input end is connected to the said second control signal transmission line; Said the 11 output terminal is connected to said the 7th control end; Said the 11 control end is connected to said the 7th selection wire; Said twelvemo is closed part and is comprised the 12 input end; The 12 output terminal and the 12 control end; The said second control signal transmission line of said the 12 input end; Said the 12 output terminal is connected to said the 8th control end, and the 12 control end is connected to said the 8th selection wire.
In the said driving circuit provided by the invention, when the said the 4th selected the module selection that said second control signal is transferred to said colored viewing area or colored viewing area, said many data-driven lines loaded identical data-signal.
In the said driving circuit provided by the invention; Said display device also comprises first substrate, be formed at colored rete, second substrate on first substrate, be formed at the pixel electrode layer on said second substrate; Said colored rete comprises colored region and transparent region; The corresponding said colored viewing area of said colored region, the corresponding said white and black displays of said transparent region district; Said pixel electrode layer comprises and being set up in parallel and the color region electrode and the black and white region electrode of mutually insulated; Said color region electrode is relative with said colored region, and said black and white region electrode is relative with said transparent region.
A kind of display device comprises first substrate; Second substrate; Be held on the liquid crystal layer between first substrate and second substrate; Back light unit; Said back light unit and liquid crystal layer are respectively in the second substrate both sides; This display device comprises a plurality of pixels; Each pixel comprises a subpixels at least; Said sub-pixel comprises colored viewing area and white and black displays district; First substrate comprises a colored rete; Said colored rete comprises colored region and the transparent region that is set up in parallel; Said colored region is positioned at said colored viewing area, and said transparent region is positioned at said white and black displays district.
In the said display device provided by the invention, said first substrate also comprises first substrate and common electrode layer, and said colored rete and common electrode layer are formed on said first substrate.
In the said display unit provided by the invention; Second substrate comprises the pixel electrode layer and second substrate; Said pixel electrode layer comprises color region electrode and black and white region electrode; Said color region electrode and black and white region electrode side by side and mutually insulated be arranged on said second substrate; Said color region electrode is covered by the projection of said colored region on said first substrate or second substrate in the projection on first substrate or second substrate; The projection of said black and white region electrode on said first substrate or second substrate covered by the projection on said first substrate or second substrate of said transparent region.
In the said display device provided by the invention, all white and black displays districts of display device can load same electric signal simultaneously, make the demonstration in all white and black displays districts consistent; The institute chromatic colour viewing area of said display device can load same electric signal simultaneously, makes the demonstration of institute chromatic colour viewing area consistent.
Display device provided by the invention is compared prior art, has the following advantages:
At first,, manufacture craft is simplified, helped improving yields and production efficiency owing to need not make flatness layer.
Secondly,, further simplified technology, also need not adjust the thickness of reflection electrode layer, reduced process complexity, helped further improving yields and production efficiency owing to need on said flatness layer, not make reflection electrode layer.Simultaneously, make the special making apparatus that said display device does not need reflection electrode layer yet, help reducing cost.
Once more, colored rete is divided into colored region and transparent region, and transparent region is far smaller than colored region to subduing of light, and therefore, the penetrance that it helps improving light improves the display brightness of said display device.
At last; Display device is when work; The light that not only utilizes back light unit to send shows; Can also reflect external environment light shows; And in colored viewing area or white and black displays district, the demonstration of the demonstration of the light that back light unit sends and reflection external environment light superposes, and helps further improving the display brightness of display device; Under the same brightness situation, help reducing the power consumption of display device simultaneously.The color region electrode of this display device work and black and white region electrode can work independently and be independent of each other, and can further reduce power consumption.In display device, can also select to make that the white and black displays district lights simultaneously in the sub-pixel of all pixels, to improve the brightness of display device when utilizing back light unit to show; Simultaneously, colored viewing area is closed simultaneously, and in said white and black displays district the loading data signal, make said display device realize white and black displays.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the structural representation of traditional half reflection and half transmission formula LCD.
Fig. 2 is the structural representation of the display device of a better embodiment provided by the invention.
Fig. 3 is a better embodiment driving circuit synoptic diagram of display device shown in Figure 2.
Fig. 4 is first kind of index path of driving circuit drives display device work shown in Figure 3.
Fig. 5 is second kind of index path of driving circuit drives display device work shown in Figure 3.
Fig. 6 is the third index path of driving circuit drives display device work shown in Figure 3.
Fig. 7 is the 4th a kind of index path of driving circuit drives display device work shown in Figure 3.
Fig. 8 is the 5th a kind of index path of driving circuit drives display device work shown in Figure 3.
Fig. 9 is the 6th a kind of index path of driving circuit drives display device work shown in Figure 3.
Figure 10 is the 7th a kind of index path of driving circuit drives display device work shown in Figure 3.
Figure 11 is the 8th a kind of index path of driving circuit drives display device work shown in Figure 3.
Figure 12 is another better embodiment driving circuit synoptic diagram of display device shown in Figure 2.
Embodiment
In order to describe display device provided by the invention and driving circuit thereof in detail, set forth in detail below in conjunction with Figure of description.
See also Fig. 2, it is the structural representation of the display device of a better embodiment provided by the invention.This display device 100 comprises first substrate 110, second substrate 120, liquid crystal layer 130, first Polarizer 140, second Polarizer 150, reflector element 160 and back light unit 170.In this embodiment; Said display device 100 comprises reflector element 160; The use of said reflector element 160 helps improving reflecting effect; In other embodiments; Said display device 100 can also not comprise said reflector element 160, and the reflection configuration that utilizes said back light unit 170 itself to have realizes reflecting Presentation Function.
This first substrate 110 and second substrate 120 are over against setting, and liquid crystal layer 130 is held between first substrate 110 and second substrate 120.This first Polarizer 140 is incorporated on first substrate 110, and itself and liquid crystal layer 130 are respectively in first substrate, 110 both sides.This back light unit 170 is respectively in second substrate, 120 both sides with liquid crystal layer 130.This second Polarizer 150 is arranged between the back light unit 170 and second substrate 120, and second Polarizer 150 combines with second substrate 120, and in this embodiment, first Polarizer 140 is vertical each other with the polarizing axis of second Polarizer 150; In other embodiments, the polarizing axis of first Polarizer 140 and second Polarizer 160 can also be to laterally arrange.Reflector element 160 is arranged between second Polarizer 150 and the back light unit 170, and it combines with back light unit 170.Back light unit 170 is used for to display device 100 light source being provided, and it can be Organic Light Emitting Diode (LED) or other active illuminating light sources.This reflector element 160 is a diffuse reflection prism, and it can be passed by back light unit 170, and reflector element 160 can also reflect external environment light simultaneously.
As shown in Figure 3, it is the synoptic diagram of driving circuit of a better embodiment of display device 100 shown in Figure 2.Said driving circuit 200 is used to drive the sub-pixel 300 of display device 100, and said sub-pixel 300 comprises color region electrode 125a and black and white region electrode 125b.Said driving circuit 200 comprises selected cell 210, many first turntable driving lines 220, many first data-driven lines 230, one first control signal transmission line 240, a plurality of the 5th switch member 250 and a plurality of the 6th switch member 260.The first turntable driving line 220 is used to transmit first sweep signal; First data line 230 is used to transmit first data-signal; The first control signal transmission line 240 is used to transmit first control signal, and selected cell 210 is used for making electedly the colored viewing area and/or the white and black displays district display image of display device 100.The 5th switch member 250 comprises the 5th input end, the 5th output terminal and the 5th control end, and the 6th switch member 260 comprises the 6th input end, the 6th output terminal and the 6th control end.The 5th control end is connected to the said first turntable driving line, 220, the six control ends and is connected to the first turntable driving line 220 that is connected with the 5th control end.The 5th switch member 250 and the 6th switch member 260 are thin film transistor (TFT) in this embodiment, and in other embodiments, it can also be that other can be as the element or the module of switching function.
First selects module 211 to comprise first selection wire 410, second selection wire 420, first switch member 430 and second switch spare 440.Said first switch member 430 is thin film transistor (TFT) in this embodiment with second switch spare 440, and in other embodiments, said first switch member 430 can also be that other can be as the element or the module of switching function with second switch spare 440.First switch member 430 comprises first input end, first output terminal and first control end.This first input end is connected to one first data-driven line 230, and this first output terminal is connected to the 5th input end of one the 5th switch member 250, and this first control end is connected to first selection wire 410.Second switch spare 440 comprises second input end, second output terminal and second control end.This second input end is connected to the first data-driven line 230 that is electrically connected with first input end, and this second output terminal is connected to the 6th input end of the 6th switch member 260, and this second control end is connected to second selection wire 420.
Second selects module 213 to comprise the 3rd selection wire 510, the 4th selection wire 520, the 3rd switch member 530 and the 4th switch member 540.Said the 3rd switch member 530 and the 4th switch member 540 are thin film transistor (TFT) in this embodiment, and in other embodiments, said the 3rd switch member 530 and the 4th switch member 540 can also be that other can be as the element or the module of switching function.The 3rd switch member 530 comprises the 3rd input end, the 3rd output terminal and the 3rd control end.The 3rd input end is connected to the 5th input end that the first control signal transmission line, 240, the three output terminals are connected to the 5th switch member 250, and the 3rd control end is connected to the 3rd selection wire 510.The 4th switch member 540 comprises four-input terminal, the 4th output terminal and the 4th control end.This four-input terminal is connected to the 6th input end that the first control signal transmission line, 240, the four output terminals are connected to the 6th switch member 260, and the 4th control end is connected to the 4th selection wire 520.
As shown in Figure 4, it is first kind of index path that driving circuit 200 shown in Figure 3 drives display device 100 work.At this moment; The back light unit 170 of display unit 100 is opened; The first turntable driving line 220 of drive circuit 200 is selected; The 5th switch member 250 and the 6th switch member 260 are in open mode; First selects line 410 and second to select line 420 to transmit high level to the first switch member 430 and second switch spare 440 respectively; Make first switch member 430 be in open mode with second switch spare 440; The 3rd selects line 510 and the 4th to select line 520 to transmit a low level to the three switch member 530 and the 4th switch member 540 respectively, makes the 3rd switch member 530 and the 4th switch member 540 be in closed condition.The signal that loads in the first data-driven line 230 is identical with the signal of loading in the said common electrode layer 115.Opening of first switch member 430, second switch spare 440, the 5th switch member 250 and the 6th switch member 260; Make data-signal can transfer to color region electrode 125a and black and white region electrode 125b from the first data-driven line 230; And then making no electric field existence between pixel electrode layer 125 and the common electrode layer 115, change in orientation does not take place in the liquid crystal molecule in the liquid crystal layer 130.
First light that back light unit 170 sends, pass reflector element 160 after, change second light into through second Polarizer 150.This second light passes second substrate, 120 backs and arrives liquid crystal layer 130, and after liquid crystal layer 130 refractions, changes the 3rd light into.The 3rd light passes common electrode layer 115 backs and arrives colored rete 113.The 3rd light changes the 4th light into through colored region 113a; The 4th light passes first substrate 111 and first Polarizer, 140 backs are penetrated; Make the colored viewing area of sub-pixel be bright attitude; And because of the color filtration of colored region 113a; Colored viewing area shows a kind of color; As as described in colored region 113a be red color filter, the color of said the 4th light is red, colored viewing area shows it also is red.The 3rd light still is the 3rd light after passing transparent region 113b, and it passes first substrate 111 and first Polarizer, 140 backs are penetrated.The color of the 3rd light is identical with first light that back light unit 170 sends basically, and it makes the white and black displays district also be bright attitude, and then makes whole sub-pixel be bright attitude, and the color of sub-pixel is identical with the color of colored viewing area.
Penetrate because first light that sends of back light unit 170 not only can change the 4th light into behind second Polarizer 150, liquid crystal layer 130, colored region 113a and first Polarizer 140, make colored viewing area show a kind of color; This first light also can change the 3rd light into and penetrate behind second Polarizer 150, liquid crystal layer 130 and first Polarizer 140, make the white and black displays district show the color identical with first light.With respect to prior art, said first light that sends backlight not only can pass colored region 113a, also can pass transparent region 113b, and therefore, its display brightness improves greatly, helps reducing power consumption.
Secondly; Surround lighting not only can filter through colored region 113a, and after reflector element 160 reflections, penetrates, and improves the brightness of colored viewing area; And the environment that passes transparent region 113b is seen also and can after reflector element 11 reflects, be penetrated, the brightness in raising white and black displays district.Therefore, display device 100 not only can show through the light that back light unit 170 sends, and also can show through reflector element 160 reflection external environment light, and its display brightness is higher with respect to prior art.
In first kind of index path, the driving circuit 200 of said display device 100 can also be in following state.The first turntable driving line 220 of driving circuit 200 is selected, and the 5th switch member 250 and the 6th switch member 260 are in open mode, and first selection wire, 410 transmission, one high level to the first switch member 430 makes first switch member 430 be in open mode; Second selection wire, 420 transmission, one low level to second switch spare 440 makes second switch spare 440 be in closed condition.Said first control signal of the first control signal transmission line, 240 transmission is identical with the signal in loading on common electrode layer 115.The 3rd selection wire 510 transmission one low level signal to the three switch member, the 4th selection wire 520 transmission one high level to the four switch member 540 make the 4th switch member 540 be in open mode, and first control signal can transfer to the white and black displays district.At this moment; Can select to make first control signal constant; And then all white and black displays districts of whole display device are all shown; And the images displayed conversion as required of first data-signal; Make the display device images displayed have the high characteristics of brightness; Promptly under the situation of same brightness, can effectively cut down the consumption of energy.
As shown in Figure 5; It is second kind of index path that driving circuit 200 shown in Figure 3 drives display device 100 work; Difference between itself and the first kind of index path shown in Figure 4 is; In this second kind of index path; Back light unit 170 is in closed condition; I.e. dull thread ejaculation in the back light unit 170 in this second kind of index path, said display device 100 realizes the demonstration of image or text through reflect ambient light.
As shown in Figure 6, it is the third index path that driving circuit 200 shown in Figure 3 drives display device 100 work.At this moment; Back light unit 170 is opened, and the first turntable driving line 220 of driving circuit 200 is selected, and the 5th switch member 250 and the 6th switch member 260 are in open mode; First selection wire, 410 transmission, one high level to the first switch member 430 makes first switch member 430 be in open mode; Second selection wire, 420 transmission, one low level to second switch spare 440 makes second switch spare 440 be in closed condition.The 4th selection wire 520 transmission one high level to the four switch member 540 make the 4th switch member 540 be in open mode, and the 3rd selection wire 510 transmission one low level to the three switch member 530 make the 3rd switch member 530 be in closed condition.The signal that loads in the first data-driven line 230 is identical with the signal of loading in the said common electrode layer 115.The signal of first control signal of transmission and the loading in the said common electrode layer 115 has the anti-phase relation in the first control signal transmission line 240.Because first switch member 410, the 4th switch member 520 and the 5th switch member 250 and the 6th switch member 260 are in open mode; So first data-signal and first control signal can transfer to colored viewing area and white and black displays district respectively; And first data-signal is identical with the signal of loading in the common electrode layer 115, and the liquid crystal molecule of liquid crystal layer in the colored viewing area is not changed; The signal that loads in first control signal and the common electrode layer has anti-phase relation, makes that the liquid crystal layer molecular orientation changes in the white and black displays district, will not change through wherein light.
First light that back light unit 170 sends changes second light into through second Polarizer 150.The liquid crystal layer of this second light in colored viewing area deflects, and changes the 3rd light into, and the 3rd light changes the 4th light into behind colored region 113a, and the 4th light passes first Polarizer, 140 backs and penetrates, and makes colored viewing area be bright attitude.Do not deflect in the liquid crystal layer of this second light in the white and black displays district, it passes through to be absorbed by first Polarizer 140 behind the transparent region 113b, so the white and black displays district is dark attitude.
Surround lighting passes first Polarizer 140 and arrives colored rete 113.In colored viewing area; Because the liquid crystal deflecting element refraction action of liquid crystal layer 130; Surround lighting can be smoothly through unit 160 reflections that are reflected of second Polarizer 150; And finally penetrate through first Polarizer 140; Brightness with the colored viewing area that promotes sub-pixel; It is with respect to prior art, and brightness is higher.And in the white and black displays district, because the liquid crystal molecule in the liquid crystal layer 130 distributes along direction of an electric field, to the surround lighting refraction that do not deflect, surround lighting is absorbed by second Polarizer 150, and the unit 160 that can not be reflected reflects, so the white and black displays district is dark attitude.
As shown in Figure 7; It is the 4th kind of index path that driving circuit 200 shown in Figure 3 drives display device 100 work; Difference between itself and the third index path shown in Figure 6 is; In the 4th kind of index path; Back light unit 170 is in closed condition; Promptly in the 4th kind of index path in the back light unit 170 dull thread penetrate, said display device 100 realizes the demonstration of image or text through reflect ambient light.
As shown in Figure 8, it is the 5th kind of index path that driving circuit 200 shown in Figure 3 drives display device 100 work.At this moment; The back light unit 170 of display device 100 is opened; The first turntable driving line 220 of driving circuit 200 is selected; The 5th switch member 250 and the 6th switch member 260 are in open mode; First selection wire, 410 transmission, one low level to the first switch member 430 makes first switch member 430 be in closed condition; Second selection wire, 420 transmission, one high level to second switch spare 440 makes second switch spare 440 be in open mode.The 3rd selection wire 510 transmission one high level to the three switch member 530 make the 3rd switch member 530 be in open mode, and the 4th selection wire 520 transmission one low level to the four switch member 540 make the 4th switch member 540 be in closed condition.The signal that loads in the first data-driven line 230 is identical with the signal of loading in the said common electrode layer 115, and the signal that loads in first control signal that loads in the first control signal transmission line 240 and the said common electrode layer has the anti-phase relation.Because opening of second switch spare 440, the 3rd switch member 530, the 5th switch member 250 and the 6th switch member 260; Make first data-signal can transfer to black and white region electrode 125b from the first data-driven line 230; First control signal can transfer to color region motor 125a; And then the liquid crystal molecule in the white and black displays district is not changed; And the liquid crystal molecule in the colored viewing area changes, and the light that passes in the colored viewing area is not changed.
First light that back light unit 170 sends changes second light into through second Polarizer 150.The liquid crystal layer 130 of this second light in the white and black displays district deflects, and changes the 3rd light into, and the 3rd light passes first Polarizer 140 and penetrates behind transparent region 113b, make the white and black displays district be bright attitude; Since the corresponding transparent region 113b in white and black displays district, and this transparent region 113b is processed by transparent material, therefore can not cause more greatly the 3rd light and subdue, and makes the display brightness in white and black displays district higher, and the color of its demonstration is with backlight identical.Do not deflect in the liquid crystal layer 130 of this second light in colored viewing area, it is through being absorbed by first Polarizer 140 behind the colored region 113a, and making colored viewing area is dark attitude.
Surround lighting passes first Polarizer 140 and arrives colored rete 113.In the white and black displays district because the liquid crystal deflecting element refraction action of liquid crystal layer 130, surround lighting can be smoothly through unit 160 reflections that are reflected of second Polarizer 150, and finally penetrate, to promote the brightness in white and black displays district through first Polarizer 140.In colored viewing area, because the liquid crystal molecule in the liquid crystal layer 130 distributes along direction of an electric field, to the surround lighting refraction that do not deflect, surround lighting is absorbed by second Polarizer 150, and the unit 160 that can not be reflected reflects, and makes colored viewing area be dark attitude.
At this moment; If need utilize the white and black displays district to show for a long time; Can make first control signal consistent keep with common electrode layer in the anti-phase relation that has of the signal that loads, and above-mentioned second switch spare 440, the 3rd switch member 530, the 5th switch member 250 and the 6th switch member 260 are in opening all the time.
As shown in Figure 9; It is the 6th kind of index path that driving circuit 200 shown in Figure 3 drives display device 100 work; Difference between itself and the 5th kind of index path shown in Figure 8 is; In the 6th kind of index path; Back light unit 170 is in closed condition; Promptly in the 6th kind of index path in the back light unit 170 dull thread penetrate, said display device 100 realizes the demonstration of image or text through reflect ambient light.
As shown in figure 10, it is the 7th kind of index path that driving circuit 200 shown in Figure 3 drives display device 100 work.At this moment, the back light unit 170 of display device 100 is opened, and the first turntable driving line 220 of driving circuit 200 is not selected.
Perhaps; The said first turntable driving line 220 is selected; The 5th switch member 250 and the 6th switch member 260 are in open mode; First selection wire 410 and second selection wire 420 transmit high level to the first switch member 430 and second switch spare 440 respectively; Make first switch member 430 be in open mode with second switch spare 440; The 3rd selection wire 510 and the 4th selection wire 520 transmit a low level to the three switch member 530 and the 4th switch member 540 respectively, make the 3rd switch member 530 and the 4th switch member 540 be in closed condition.The signal that loads in signal that loads in the first data-driven line 230 and the said common electrode layer 115 has the anti-phase relation.
Perhaps; The said first turntable driving line 220 is selected; The 5th switch member 250 and the 6th switch member 260 are in open mode; First selection wire 410 and second selection wire 420 transmit low level to the first switch member 430 and second switch spare 440 respectively, make first switch member 430 be in closed condition with second switch spare 440.The 3rd selection wire 510 and the 4th selection wire 520 transmit a high level to the three switch member 530 and the 4th switch member 540 respectively, make the 3rd switch member 530 and the 4th switch member 540 be in open mode.The signal that loads in first control signal that loads in the first control signal transmission line 240 and the said common electrode layer 115 has the anti-phase relation.
Perhaps, the first turntable driving line 220 is selected, and the 5th switch member 250 and the 6th switch member 260 are in open mode.First selection wire 410 and the 4th selection wire 520 transmit high level to the first switch member 430 and the 4th switch member 540 respectively, make first switch member 430 and the 4th switch member 540 be in open mode; Second selection wire 420 and the 3rd selection wire 510 transmit low level to a second switch spare 430 and the 3rd switch member 530 respectively, make it be in closed condition.First data-signal and first control signal all with common electrode layer 115 in the signal that loads have the anti-phase relation.
Perhaps, the first turntable driving line 220 is selected, and the 5th switch member 250 and the 6th switch member 260 are in open mode.First selection wire 410 and the 4th selection wire 520 transmit low level to the first switch member 430 and the 4th switch member 540 respectively, make it be in closed condition; Second selection wire 420 and the 3rd selection wire 510 transmit high level to a second switch spare 430 and the 3rd switch member 530 respectively, make it be in open mode.First data-signal and first control signal all with common electrode layer 115 in the signal that loads have the anti-phase relation.
As shown in figure 11, it is the 8th kind of index path that driving circuit shown in Figure 3 200 drives display device 100 work, and the difference between itself and the 7th kind of index path shown in Figure 8 is that in the 8th kind of index path, back light unit 170 is in closed condition.
As shown in figure 12, it is another better embodiment driving circuit synoptic diagram of display device shown in Figure 2.Said driving circuit 600 comprises selected cell 610, many second turntable driving lines 620, many second data-driven lines 630, one second control signal transmission line 640, a plurality of the 7th switch member 650 and a plurality of the 8th switch member 660.The second turntable driving line 620 is used to transmit second sweep signal; The second data-driven line 630 is used to transmit second data-signal; The second control signal transmission line 640 is used to transmit second control signal, and selected cell 610 is used for making electedly the colored viewing area and/or the white and black displays district display image of display device 100.The 7th switch member 650 comprises the 7th input end, the 7th output terminal and the 7th control end, and the 8th switch member 660 comprises the 8th input end, the 8th output terminal and the 8th control end.The 7th control end is connected to the said second turntable driving line, 620, the eight control ends and is connected to the second turntable driving line 620 that is connected with the 7th control end.The 7th switch member 650 and the 8th switch member 660 are thin film transistor (TFT) in this embodiment, and in other embodiments, it can also be that other can be as the element or the module of switching function.
First selects module 611 to comprise the 5th selection wire 710, the 6th selection wire 720, the 9th switch member 730 and the tenth switch member 740.Said the 9th switch member 730 and the tenth switch member 740 are thin film transistor (TFT) in this embodiment, in other embodiments, can also be that other can be as the element or the module of switching function.The 9th switch member 730 comprises the 9th input end, the 9th output terminal and the 9th control end.The 9th input end is connected to the 7th input end that one second data-driven line, 630, the nine output terminals are connected to one the 7th switch member 650, and the 9th control end is connected to the 5th selection wire 710.The tenth switch member 740 comprises the tenth input end, the tenth output terminal and the tenth control end.The tenth input end is connected to the 8th input end that the second data-driven line, 630, the ten output terminals that are electrically connected with the 9th input end are connected to the 8th switch member 660, and the tenth control end is connected to the 6th selection wire 720.
Second selects module 613 to comprise that the 7th selection wire 810, the 8th selection wire the 820, the 11 switch member 830 and twelvemo close part 840.Said the 11 switch member 830 and the 11 switch member 840 are thin film transistor (TFT) in this embodiment, in other embodiments, can also be that other can be as the element or the module of switching function.The 11 switch member 830 comprises the 11 input end, the 11 output terminal and the 11 control end.The 11 input end is connected to the 7th input end that the second control signal transmission line 640, the, 11 output terminals are connected to the 7th switch member 650, and the 11 control end is connected to the 7th selection wire 810.Twelvemo is closed part 840 and is comprised the 12 input end, the 12 output terminal and the 12 control end.The 12 input end is connected to the 8th input end that the second control signal transmission line 640, the, 12 output terminals are connected to the 8th switch member 660, and the 12 control end is connected to the 4th selection wire 820.
In the said driving circuit 600, the said second control signal transmission line 640 is as the turntable driving line, that is: if driving circuit 600 has the N root second turntable driving line 620, then the second control signal transmission line 640 is equivalent to the N+1 root second turntable driving line 620.Driving circuit 600 is in the driving process; Through when the second control signal transmission line 640 is selected; Respectively transmit the difference of signal through the 5th selection wire 710, the 6th selection wire 720, the 7th selection wire 810 and the 8th selection wire 820; Signal in the second control signal transmission line 640 is passed to colored viewing area and/or white and black displays district; So that the 7th switch member 650 and/or the 8th switch member 660 are opened; Simultaneously; The second data-driven line, 630 communicated data signals to colored viewing area and/or white and black displays district is so that display device 100 shows.
Display device provided by the invention is compared prior art, has the following advantages:
At first,, manufacture craft is simplified, helped improving yields and production efficiency owing to need not make flatness layer.
Secondly,, further simplified technology, also need not adjust the thickness of reflection electrode layer, reduced process complexity, helped further improving yields and production efficiency owing to need on said flatness layer, not make reflection electrode layer.Simultaneously, make the special making apparatus that said display device does not need reflection electrode layer yet, help reducing cost.
Once more, colored rete is divided into colored region and transparent region, and transparent region is far smaller than colored region to subduing of light, and therefore, the penetrance that it helps improving light improves the display brightness of said display device.
At last; The light that display device not only utilizes back light unit to send shows; Can also reflect external environment light shows; And in colored viewing area or white and black displays district; The demonstration stack of the external environment light of the demonstration of the light that back light unit sends and reflection; Help further improving the display brightness of display device, under the same brightness situation, help reducing the power consumption of display device simultaneously.Simultaneously, the color region electrode of this display device work and black and white region electrode can work independently and be independent of each other, and can further reduce power consumption.
It more than is the better embodiment of display device provided by the invention and driving circuit thereof; Can not be interpreted as restriction to rights protection scope of the present invention; Those skilled in the art should know; Under the prerequisite that does not break away from the present invention's design; Also can do multiple improvement or replacement; These all improvement or replacement all should be in rights protection scopes of the present invention, and rights protection scope promptly of the present invention should be as the criterion with claim.
Claims (16)
1. driving circuit; Be used to drive a display device; Said display device comprises a plurality of pixels; It is characterized in that: said pixel comprises a subpixels at least; It comprises a colored viewing area and a white and black displays district at least; Said driving circuit comprises selected cell at least, and said selected cell is used for making selectively said colored viewing area and/or white and black displays district display image.
2. driving circuit as claimed in claim 1; It is characterized in that: said driving circuit also comprises many first data-driven lines; The said first data-driven line is used to transmit first data-signal; Said selected cell comprises that first selects module, and said first selects module to be used for selectively with said first data signal transmission to colored viewing area and/or white and black displays district.
3. driving circuit as claimed in claim 2; It is characterized in that: said driving circuit also comprises many first turntable driving lines; A plurality of the 5th switch member and a plurality of the 6th switch member; The 5th switch member comprises the 5th control end and the 5th input end; Said the 5th control end is connected to said first a turntable driving line; Said the 6th switch member comprises the 6th control end and the 6th input end; Said the 6th control end is connected to the said first turntable driving line that is connected with said the 5th control end; Said first selects module to comprise first selection wire; Second selection wire; First switch member and the second switch spare; First switch member comprises first input end; First output terminal and first control end; Said first input end is connected to said first a data-driven line; Said first output terminal is connected to the 5th input end, and said first control end is connected to said first selection wire; Second switch spare comprises second input end, second output terminal and second control end; Said second input end is connected to the first data-driven line that is electrically connected with said first input end; Said second output terminal is connected to the 6th input end, and said second control end is connected to said second selection wire.
4. driving circuit as claimed in claim 1; It is characterized in that: said driving circuit also comprises the first control signal transmission line; The said first control signal transmission line is used to transmit first control signal; Said selection module comprises that also second selects module, and said second selects module to be used for selectively said first control signal being transferred to said colored viewing area and/or white and black displays district.
5. driving circuit as claimed in claim 4; It is characterized in that: said driving circuit also comprises many first turntable driving lines; A plurality of the 5th switch member and a plurality of the 6th switch member; The 5th switch member comprises the 5th control end and the 5th input end; Said the 5th control end is connected to said first a turntable driving line; Said the 6th switch member comprises the 6th control end and the 6th input end; Said the 6th control end is connected to the said first turntable driving line that is connected with said the 5th control end; Said second selects module to comprise the 3rd selection wire; The 4th selection wire; The 3rd switch member and the 4th switch member; The 3rd switch member comprises the 3rd input end; The 3rd output terminal and the 3rd control end; Said the 3rd input end is connected to the said first control signal transmission line; Said the 3rd output terminal is connected to the 5th input end, and said the 3rd control end is connected to said the 3rd selection wire; The 4th switch member comprises four-input terminal, the 4th output terminal and the 4th control end; Said four-input terminal is connected to the said first control signal transmission line; Said the 4th output terminal is connected to the 6th input end, and said the 4th control end is connected to said the 4th selection wire.
6. driving circuit as claimed in claim 4; It is characterized in that: said display device also comprises first substrate, be formed at colored rete, second substrate on first substrate, be formed at the pixel electrode layer on said second substrate; Said colored rete comprises colored region and transparent region; The corresponding said colored viewing area of said colored region, the corresponding said white and black displays of said transparent region district; Said pixel electrode layer comprises and being set up in parallel and the color region electrode and the black and white region electrode of mutually insulated; Said color region electrode is relative with said colored region, and said black and white region electrode is relative with said transparent region.
7. driving circuit as claimed in claim 1; It is characterized in that: said driving circuit also comprises many second turntable driving lines; The said second turntable driving line is used to transmit second sweep signal; Said selected cell comprises that the 3rd selects module, and the said the 3rd selects module to be used for selectively said second sweep signal being transferred to said colored viewing area and/or white and black displays district.
8. driving circuit as claimed in claim 7; It is characterized in that: said driving circuit also comprises many second data-driven lines; A plurality of the 7th switch member and a plurality of the 8th switch member; The 7th switch member comprises the 7th input end; The 7th output terminal and the 7th control end; The 7th input end is connected to said second a data-driven line; Said the 7th output terminal is connected to said colored viewing area; The 8th switch member comprises the 8th input end; The 8th output terminal and the 8th control end; Said the 8th input end is connected to the second data-driven line that is electrically connected with said the 7th input end; Said the 8th output terminal is connected to said white and black displays district; The said the 3rd selects module to comprise the 5th selection wire; The 6th selection wire; The 9th switch member and the tenth switch member; The 9th switch member comprises the 9th input end; The 9th output terminal and the 9th control end; Said the 9th input end is connected to said second a turntable driving line; Said the 9th output terminal is connected to the 7th control end, and said the 9th control end is connected to said the 5th selection wire; The tenth switch member comprises the tenth input end, the tenth output terminal and the tenth control end; Said the tenth input end is connected to the second turntable driving line that is electrically connected with said the 9th input end; Said the tenth output terminal is connected to the 8th control end, and said the tenth control end is connected to said the 6th selection wire.
9. driving circuit as claimed in claim 8; It is characterized in that: said driving circuit also comprises the second control signal transmission line; The said second control signal transmission line is used to transmit second control signal; Said selected cell comprises that also the 4th selects module, and the said the 4th selects module to be used for selectively this second control signal being transferred to the 7th control end and/or the 8th control end.
10. driving circuit as claimed in claim 9; It is characterized in that: the said the 4th selects module to comprise the 7th selection wire; The 8th selection wire; The 11 switch member and twelvemo are closed part; Said the 11 switch member comprises the 11 input end; The 11 output terminal and the 11 control end; Said the 11 input end is connected to the said second control signal transmission line; Said the 11 output terminal is connected to said the 7th control end; Said the 11 control end is connected to said the 7th selection wire; Said twelvemo is closed part and is comprised the 12 input end; The 12 output terminal and the 12 control end; The said second control signal transmission line of said the 12 input end; Said the 12 output terminal is connected to said the 8th control end, and the 12 control end is connected to said the 8th selection wire.
11. driving circuit as claimed in claim 10 is characterized in that: when the said the 4th selected the module selection that said second control signal is transferred to said colored viewing area or colored viewing area, said many data-driven lines loaded identical data-signal.
12. driving circuit as claimed in claim 11; It is characterized in that: said display device also comprises first substrate, be formed at colored rete, second substrate on first substrate, be formed at the pixel electrode layer on said second substrate; Said colored rete comprises colored region and transparent region; The corresponding said colored viewing area of said colored region, the corresponding said white and black displays of said transparent region district; Said pixel electrode layer comprises and being set up in parallel and the color region electrode and the black and white region electrode of mutually insulated; Said color region electrode is relative with said colored region, and said black and white region electrode is relative with said transparent region.
13. display device; It comprises first substrate; Second substrate; Be held on the liquid crystal layer between first substrate and second substrate; Back light unit; Said back light unit and liquid crystal layer are respectively in the second substrate both sides; This display device comprises a plurality of pixels; Each pixel comprises a subpixels at least; Said sub-pixel comprises colored viewing area and white and black displays district; First substrate comprises a colored rete; Said colored rete comprises colored region and the transparent region that is set up in parallel; Said colored region is positioned at said colored viewing area, and said transparent region is positioned at said white and black displays district.
14. display device as claimed in claim 13 is characterized in that: said first substrate also comprises first substrate and common electrode layer, and said colored rete and common electrode layer are formed on said first substrate.
15. display unit as claimed in claim 14; It is characterized in that: second substrate comprises the pixel electrode layer and second substrate; Said pixel electrode layer comprises color region electrode and black and white region electrode; Said color region electrode and black and white region electrode side by side and mutually insulated be arranged on said second substrate; Said color region electrode is covered by the projection of said colored region on said first substrate or second substrate in the projection on first substrate or second substrate; The projection of said black and white region electrode on said first substrate or second substrate covered by the projection on said first substrate or second substrate of said transparent region.
16. display device as claimed in claim 13 is characterized in that: all white and black displays districts of display device can load same electric signal simultaneously, make the demonstration in all white and black displays districts consistent; The institute chromatic colour viewing area of said display device can load same electric signal simultaneously, makes the demonstration of institute chromatic colour viewing area consistent.
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| CN107422507A (en) * | 2017-09-29 | 2017-12-01 | 上海天马微电子有限公司 | Liquid crystal display panel and display device |
| CN107463032A (en) * | 2017-09-29 | 2017-12-12 | 上海天马微电子有限公司 | Liquid crystal display panel and display device |
| CN107422507B (en) * | 2017-09-29 | 2020-04-03 | 上海天马微电子有限公司 | Liquid crystal display panel and display device |
| CN107463032B (en) * | 2017-09-29 | 2020-05-22 | 上海天马微电子有限公司 | Liquid crystal display panel and display device |
| CN110543042A (en) * | 2019-09-30 | 2019-12-06 | 厦门天马微电子有限公司 | Display device |
| CN110543042B (en) * | 2019-09-30 | 2022-03-04 | 厦门天马微电子有限公司 | Display device |
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