CN102411910B

CN102411910B - Display device and adjustment method for picture display direction thereof

Info

Publication number: CN102411910B
Application number: CN 201010288788
Authority: CN
Inventors: 冯沙; 郭威
Original assignee: Innolux Shenzhen Co Ltd; Innolux Display Corp
Current assignee: Innocom Technology Shenzhen Co Ltd; Innolux Shenzhen Co Ltd; Innolux Corp
Priority date: 2010-09-21
Filing date: 2010-09-21
Publication date: 2013-09-18
Anticipated expiration: 2030-09-21
Also published as: CN102411910A

Abstract

The invention discloses a display device and an adjustment method for a picture display direction thereof. In the display device, a display panel comprises a plurality of scan lines and a plurality of data lines, wherein a scan driving circuit comprises a first shift register; a data driving circuit comprises a second shift register; a control unit controls shift sequences of the first shift register and the second shift register; when the display panel is in a normal placement state, the control unit controls the first shift register to work according to a first shift sequence and controls the second shift register to work according to a second shift sequence; and when the display panel is in an inverted state, the control unit controls the first shift register to work according to a sequence reverse to the first shift sequence and controls the second shift register to work according to a sequence reverse to the second shift sequence. The picture display direction of the display device disclosed by the invention can be adjusted and is convenient to observe.

Description

The control method of display device and picture display direction thereof

Technical field

The present invention relates to the control method of a kind of display device and picture display direction thereof, particularly relate to the control method of a kind of liquid crystal indicator and picture display direction thereof.

Background technology

The characteristics such as liquid crystal indicator is lightweight because having, little power consumption and radiation are little now have been widely used in various field.Along with the increase of people to the liquid crystal indicator demand, liquid crystal indicator is also had higher requirement, as in order to adapt to the needs of installing mechanism and outward appearance, laying state in the time of the relative observer of liquid crystal indicator normally need being observed display frame is inverted, but when liquid crystal indicator is 180 degree inversion, the display frame of liquid crystal indicator also thereupon relatively this observer become and be inverted, be unfavorable for that the observer observes normal display frame.

Summary of the invention

The problem that make adjustment for the display frame that solves display device in the prior art can not change along with the laying state of display device is necessary to provide a kind of display device that can regulate its picture display direction.

Be necessary simultaneously to provide a kind of control method of picture display direction.

A kind of display device all shows normal display frame under relative observer's normal laying state or inversion state, comprising: a display panel, comprise m bar sweep trace and n bar data line, and wherein, m and n are natural number; Scan driving circuit comprises m the first shifting deposit unit, the corresponding one scan line of each first shifting deposit unit, and this m the first shifting deposit unit is used for control series of scanning signals sequentially is provided to this m bar sweep trace; One data drive circuit comprises n the second shifting deposit unit, corresponding data line of each second shifting deposit unit wherein, and this n the second shifting deposit unit is used for control provides a plurality of gray scale voltage signals to this n bar data line; And a control module, this control module provides and controls signal to this scan drive circuit and this data drive circuit, controls the displacement order of this m the first shifting deposit unit and this n the second shifting deposit unit; When the residing laying state of this display panel is this normal laying state, this control module is controlled this m the first shifting deposit unit with one first displacement sequential working, and control this n the second shifting deposit unit with one second displacement sequential working, this m the first shifting deposit unit is sequentially controlled this and first sequentially is applied in sweep signal to m bar sweep trace, and this n the second shifting deposit unit controlled this n bar data line and be applied in the gray scale voltage signal; When this display panel is in this inversion state, this control module is controlled this m the first shifting deposit unit with in contrast to the first displacement sequential working, and control this n the second shifting deposit unit with in contrast to the second displacement sequential working, this m the first shifting deposit unit controlled this m and is applied in sweep signal to article one sweep trace, and this n the second shifting deposit unit controlled this n bar data line and be applied in the gray scale voltage signal.

A kind of display device all shows normal display frame under relative observer's normal laying state or inversion state, comprising: a display panel, comprise m bar sweep trace and n bar data line, and wherein, m and n are natural number; Scan driving circuit comprises one first shift register, and this first shift register is to should m bar sweep trace, and this first shift register is used for control sequentially provides series of scanning signals to this m bar sweep trace; One data drive circuit comprises one second shift register, and this second shift register is to should n bar data line, and this second shift register is used for control provides a plurality of gray scale voltage signals to this n bar data line; One control module, this control module provide and control signal to this scan drive circuit and this data drive circuit, control the displacement order of this first shift register and this second shift register; When this display panel is in this normal laying state, this control module is controlled this first shift register with one first displacement sequential working, and control this second shift register with one second displacement sequential working, this first shift register is controlled this and first sequentially is applied in sweep signal to m bar sweep trace, this second shift register is controlled this n bar data line and is applied in the gray scale voltage signal, when this display panel is in this inversion state, this control module control this first shift register with in contrast to first the displacement sequential working, and control this second shift register with in contrast to second the displacement sequential working, this first shift register is controlled this m and sequentially is applied in sweep signal to article one sweep trace, and this second shift register is controlled this n bar data line and is applied in the gray scale voltage signal.

A kind of control method of display device picture display direction, its adjusting display device all shows normal display frame in relative observer's normal laying state or inversion state, the control method of described display device picture display direction may further comprise the steps: one provides the step of a display device, this display device comprises display panel, scan drive circuit and data drive circuit, this display panel comprises m bar sweep trace and n bar data line, wherein, m and n are natural number, this scan drive circuit comprises m the first shifting deposit unit, this m the first shifting deposit unit is used for control series of scanning signals sequentially is provided to this m bar sweep trace, wherein, the corresponding one scan line of each first shifting deposit unit, this data drive circuit comprises n the second shifting deposit unit, this n the second shifting deposit unit is used for control provides a plurality of gray scale voltage signals to this n bar data line, wherein the corresponding data line of each second shifting deposit unit; The step of one control signal output, the displacement order that provides control signal to control this m the first shifting deposit unit and this n the second shifting deposit unit, when display panel is in normal laying state, provide one first scan control signal to this scan drive circuit, and provide one first data controlling signal to this data drive circuit, when display panel is in this inversion state, provide one second scan control signal to scan drive circuit, and provide one second data controlling signal to data drive circuit; One carries out the step of shifting function, this m the first shifting deposit unit receives behind this first scan control signal with one first displacement sequential working, this n the second shifting deposit unit receives behind this first data controlling signal with one second displacement sequential working, this m the first shifting deposit unit receives behind this second scan control signal with in contrast to the first displacement sequential working, this n the second shifting deposit unit receives behind this second data controlling signal with the work that sequentially is shifted in contrast to the second displacement, the step of one output scanning signal and gray scale voltage signal, when this m the first shifting deposit unit is shifted sequential working with the first displacement sequential working and this n the second shifting deposit unit with second, this first sequentially is applied in sweep signal to m bar sweep trace, this n bar data line is applied in a plurality of gray scale voltage signals, when this m the first shifting deposit unit with in contrast to the first displacement sequential working and this n the second shifting deposit unit with in contrast to the second displacement sequential working the time, this m sequentially is applied in sweep signal to article one sweep trace, and this n bar data line is applied in a plurality of gray scale voltage signals.

Compared with prior art, the control method of display device of the present invention and picture display direction thereof, by the displacement order of control inputs to the signal of scan drive circuit and data drive circuit, regulate the direction of picture disply, make liquid crystal indicator can adapt to the needs of mechanism and outward appearance, satisfy actual requirement of placing, and make things convenient for the observer to observe.

Description of drawings

Fig. 1 is the structural representation of the display device of first embodiment of the invention when being in normal laying state.

Fig. 2 is the structural representation of scan drive circuit of the display device of first embodiment of the invention.

Fig. 3 is the structural representation of data drive circuit of the display device of first embodiment of the invention.

Fig. 4 is the schematic diagram that the display device of first embodiment of the invention is in inversion state.

Fig. 5 is the display device structure schematic diagram of second embodiment of the invention.

Fig. 6 is the circuit diagram of level control circuit of the display device of second embodiment of the invention.

Fig. 7 is the structural representation of the display device of third embodiment of the invention.

Fig. 8 is the flow chart of steps of a better embodiment of the control method of display device picture display direction of the present invention.

The main element symbol description

Display device 100

Display panel 200

Sweep trace 21

Article one, sweep trace G1

Second sweep trace G2

Article three, sweep trace G3

M-1 bar sweep trace Gm-1

M bar sweep trace Gm

Data line 22

Article one, data line D1

Second data line D2

Article three, data line D3

N-1 bar data line Dn-1

N bar data line Dn

Pixel cell 23

Scan drive circuit 300

The first shift register 30

The first shifting deposit unit 31

Level translator 32

Output buffer 33

The first direction of displacement control end L/R

The first starting potential I/O end STV1

The second starting potential I/O end STV2

Data drive circuit 400

The second shift register 40

The second shifting deposit unit 41

Line latch 42

Level translator 43

Digital to analog converter 44

Output buffer 45

The second direction of displacement control end SHL

The first data I/O end DIO1

The second data I/O end DIO2

The first clock signal input terminal CLK1

Second clock signal input part CLK2

The 3rd clock signal input terminal CLK3

The 4th clock signal input terminal CLK4

Detecting unit 10

Control module 20

Direction sensor 11

Microprocessor 12

Level control circuit 13

Resistance R 1, R2

Metal-oxide-semiconductor field effect transistor Q1, Q2, Q3, Q4

Power Vcc

Receiving end 50

Embodiment

Below in conjunction with accompanying drawing better embodiment of the present invention is described in detail.

See also Fig. 1 and Fig. 4, the display device 100 of first embodiment of the invention can be liquid crystal indicator, also can be the flat display apparatus of other types.Display device 100 can be in normal laying state or inversion state, and wherein this inversion state is the state of normal laying state Rotate 180 degree.Fig. 1 is the structural representation of display panel 200 when being in this normal laying state, and Fig. 4 is the structural representation of display panel 200 when being in this inversion state.This normal laying state is that display panels is in the state that relative observer is normal placement.The inversion state here is that display panels is in relative observer and is inverted state.

Display device 100 comprises display panel 200, scan drive circuit 300, data drive circuit 400, control module 20.This scan drive circuit 300 is used for sequentially exporting series of scanning signals to this display panel 200, and this data drive circuit 400 is used for reception of data signal and this data-signal is processed the corresponding a plurality of gray scale voltage signals of rear output to display panel 200.

This display panel 200 comprise that sweep trace 21, n bar that the m bar is parallel to each other are parallel to each other and with the orthogonal data line 22 of this m bar sweep trace, and by this m bar sweep trace 21 and these n bar data line 22 crossing a plurality of pixel cells 23 that consist of, wherein, m, n are natural number.This m bar sweep trace 21 is used for receiving the series of scanning signals of these scan drive circuit 300 outputs, and this n bar data line 22 is used for receiving a plurality of gray scale voltage signals of these data drive circuit 400 outputs and should being applied to this a plurality of pixel cells 23 by a plurality of gray scale voltage signals.This series of scanning signals comprises a plurality of high-voltage pulses, and these a plurality of pulses sequentially are provided to this m bar sweep trace 21.And, as a rule, in the arbitrary moment in a frame time, have a sweep trace 21 to be applied in this high-voltage pulse.

See also Fig. 2, it is the structural representation of scan drive circuit 300.As shown in Figure 2, this scan drive circuit 300 comprises one first shift register 30.This first shift register 30 comprises m the first shifting deposit unit 31.This m the first shifting deposit unit 31 is used for control this series of scanning signals sequentially is provided to this m bar sweep trace 21.Each the first shifting deposit unit 31 corresponding one scan line 21 wherein.

Particularly, this scan drive circuit 300 receives the clock signal that grid high pressure that external circuits (such as power circuit) provide and grid low pressure and sequential control circuit (not shown) provide.Each first shifting deposit unit 31 outputs to corresponding sweep trace 21 with the output of this grid high pressure or grid selective low-voltage with the gated sweep signal under the control of this clock signal.Form high-voltage pulse when in detail, this first shifting deposit unit 31 is exported grid high pressure.

Further, in the present embodiment, this scan drive circuit 300 also comprises a level translator 32 and an output buffer 33.This level translator 32 is used for the high-voltage pulse of these the first shifting deposit unit 31 outputs is carried out level conversion, and the high-voltage pulse after will changing provides to output buffer 33.Particularly, this level translator 32 is that the high-voltage pulse that this first shifting deposit unit 31 is exported is converted to the higher high-voltage pulse of level.High-voltage pulse after this output buffer 33 will be changed is provided to corresponding sweep trace 21.In other embodiments, this scan drive circuit 300 also can not comprise level translator 32, but the high-voltage pulse that this output buffer 33 directly provides the first shifting deposit unit 31 is provided to corresponding sweep trace 21.

As shown in Figure 1, definition display panel 200 is in this normal laying state, this m bar sweep trace 21 is followed successively by article one sweep trace G1, second sweep trace G2, the 3rd sweep trace G3... m-1 bar sweep trace Gm-1, m bar sweep trace Gm along order from top to bottom.As shown in Figure 2, define this m the first shifting deposit unit 31 and be respectively from left to right first, second ... to m the first shifting deposit unit 31, this first, second ... to m the first shifting deposit unit 31 respectively to should article one sweep trace G1, second sweep trace G2... to the m bar sweep trace Gm.

The first shift register 30 of this scan drive circuit 300 is a two-way shift register, and it sequentially is shifted with one first displacement order or in contrast to the first displacement.This first displacement sequentially be defined as this first, second ... to the displacement order of m the first shifting deposit unit 31.And sequentially refer to m, m-1 in contrast to the first displacement ... to the displacement order of first the first shifting deposit unit.Particularly, this first displacement is sequentially lower, this first, second ... sequentially control this article one, second to m the first shifting deposit unit 31 ... to m bar sweep trace 21 sequentially (namely with article one, second ... to the order of m bar sweep trace 21) be applied in sweep signal.And sequentially refer to m, m-1 in contrast to the first displacement ... sequentially control this m bar, m-1 bar to first first shifting deposit unit 31 ... to article one sweep trace 21 sequentially (namely with m bar, m-1 bar ... to the order of article one sweep trace 21) be applied in sweep signal.

In one embodiment, this scan drive circuit 300 also comprises one first direction of displacement control end L/R, by providing control signal to arrive this first direction of displacement control end L/R, control this first shift register 30 with which kind of displacement order (the first displacement order or in contrast to the first displacement order) work.For instance, can set as required: when the first direction of displacement control end L/R of one first scan control signal to this scan drive circuit 300 is provided, the first shift register 30 of this scan drive circuit 300 is with the first displacement sequential working, when the first direction of displacement control end L/R of one second scan control signal to this scan drive circuit 300 was provided, this first shift register 30 was with in contrast to the first displacement sequential working.Wherein, preferably, when this first scan control signal was low level, this second scan control signal was high level.In change embodiment, when this first scan control signal was high level, this second scan control signal was low level.

Particularly, this first shift register 30 also comprises one first clock signal input terminal CLK1, one first starting potential I/O end STV1, a second clock signal input part CLK2 and one second starting potential I/O end STV2.This first clock signal input terminal CLK1, the first starting potential I/O end STV1 are arranged at this first the first shifting deposit unit 31.This second clock signal input part CLK2 and the second starting potential I/O end STV2 are arranged at this m the first shifting deposit unit 31.

When the first shift register 30 sequentially carries out work with this first displacement, this first clock signal input terminal CLK1, the first starting potential I/O end STV1 are transfused to respectively clock signal and starting potential, so that this first, second ... sequentially export this high-voltage pulse to m the first shifting deposit unit 31, and then this article one, second ... sequentially be applied in sweep signal to m bar sweep trace 21.When the first shift register 30 when sequentially carrying out work in contrast to the first displacement, this second clock signal input part CLK2 and the second starting potential I/O end STV2 are transfused to respectively clock signal and starting potential, so that this m, m-1 ... sequentially export this high-voltage pulse to first first shifting deposit unit 31, and then this m bar, m-1 bar ... sequentially be applied in sweep signal to article one sweep trace 21.

See also Fig. 3, it is the structural representation of data drive circuit 400.This data drive circuit 400 comprises one second shift register 40, and this second shift register 40 comprises n the second shifting deposit unit 41.This n the second shifting deposit unit 41 is used for control provides a plurality of gray scale voltage signals to this n bar data line 22, wherein each the second shifting deposit unit 41 corresponding data line 22.

Particularly, this data drive circuit 400 receives the rgb signal of the serial of time schedule controller (not shown) input, and under the control of this n the second shifting deposit unit 41, this rgb signal being latched into parallel rgb signal, the rgb signal that will walk abreast again is converted to a plurality of gray scale voltages and is provided to this n bar data line 22.Further, this data drive circuit 400 also comprises a line latch 42, a digital to analog converter 44 and an output buffer 45.This line latch 42 is used for this parallel rgb signal of storage, and namely this n the rgb signal that the second shifting deposit unit 41 is controlled this serial sequentially latchs in this line latch 42, thereby forms this parallel rgb signal.In addition, this line latch 42 also is used for this parallel rgb signal of output to digital to analog converter 44.The rgb signal that this digital to analog converter 44 will walk abreast is converted to a plurality of gray scale voltage signals, and should export output buffer 45 to by a plurality of gray scale voltage signals.A plurality of gray scale voltage signal parallels that this output buffer 45 will receive output on this corresponding n bar data line 22.Wherein, the rgb signal of this serial and this parallel rgb signal are digital signal, and these a plurality of gray scale voltage signals are simulating signal.In addition, in a preferred embodiment, this data drive circuit 400 also comprises a level translator 43.This level translator 43 is used for the parallel rgb signal of line latch 42 outputs is converted to the higher parallel rgb signal of level, and the parallel rgb signal that this level is higher exports digital to analog converter 44 to.

As shown in Figure 1, define these n bar data line 22 edge orders from left to right and be followed successively by article one data line D1, second data line D2, the 3rd data line D3... n-1 bar data line Dn-1, n bar data line Dn.As shown in Figure 3, define this n the second shifting deposit unit 41 along from left to right orders be respectively first, second ... to n the second shifting deposit unit 41, this first, second ... to n the second shifting deposit unit 41 respectively to should article one data line D1, second data line D2... to the n bar data line Dn.

The second shift register 40 of this data drive circuit 400 also is a two-way shift register, and it is with one second displacement order or in contrast to the second displacement sequential working.This second displacement sequentially be this first, second ... to the displacement order of n the second shifting deposit unit.It sequentially is this n, n-1 in contrast to the second displacement ... to the displacement order of first the second shifting deposit unit 41.Particularly, under this second displacement order, with this first, second ... this n bar data line 22 of displacement sequential control to n the second shifting deposit unit 41 is applied in the gray scale voltage signal, in more detail, this second shift register 40 is latched in this line latch 42 with the rgb signal of this second displacement order with this serial, thereby form a parallel rgb signal, defining this signal is the first parallel rgb signal.Under the second displacement order, with this n, n-1 ... this n bar data line 22 of displacement sequential control to first the second shifting deposit unit 41 is applied in the gray scale voltage signal, in more detail, this second shift register 40 is to be latched in this line latch 42 in contrast to the rgb signal of the second displacement order with this serial, thereby form a parallel rgb signal, defining this signal is the second parallel rgb signal.

Be defined in this line latch 42 the parallel rgb signal that forms along this first, second ... arrange to the order of n the second shifting deposit unit 41 (in the diagram from left to right), so, rgb signal for same serial, under the different displacements control sequentially of this second shift register 40, the formed first rgb signal that walks abreast and the second rgb signal that walks abreast be reversed in order just, refers to that specifically storage order is opposite; In other words, the formed second parallel rgb signal is to have carried out data rearrangement with respect to the first parallel rgb signal.For instance, for the rgb signal of same serial, if the first parallel rgb signal that forms is ABCDE, the second parallel rgb signal that forms so is equivalent to be rearranged to EDCBA.And then, under the second displacement order, should be applied to the signal of article one data line D1, under the second displacement order, in fact be applied to n bar data line Dn; Under the second displacement order, should be applied to the signal of second data line D2, under the second displacement order, in fact be applied to n-1 bar data line Dn-1; ... ...; Under the second displacement order, should be applied to the signal of n bar data line Dn, under the second displacement order, in fact be applied to article one data line D1.

In one embodiment, this data drive circuit 400 can also comprise one second direction of displacement control end SHL, and it is used for these the second shift register 40 which kind of displacements orders of control (the second displacement order or in contrast to the second displacement order) work.For instance, can set as required: when the second direction of displacement control end SHL of one first data controlling signal to this data drive circuit 400 is provided, the second shift register 40 of this data drive circuit 400 is with the second displacement sequential working, when the second direction of displacement control end SHL of one second data controlling signal to this data drive circuit 400 was provided, this second shift register 40 was with in contrast to the second displacement sequential working.Wherein, preferably, when this first data controlling signal was high level, this second data controlling signal was low level.In change embodiment, when this first data controlling signal was low level, this second data controlling signal was high level.

In more detail, this second shift register 40 also comprises one the 3rd clock signal input terminal CLK3, one first data I/O end DIO1, one the 4th clock signal input terminal CLK4, one second data I/O end DIO2.The 3rd clock signal input terminal CLK3 and this first data I/O end DIO1 are arranged at this first the second shifting deposit unit 41.The 4th clock signal I/O end CLK4 and this second data I/O end DIO2 are arranged at this n the second shifting deposit unit 41.

When this second shift register 40 sequentially carries out work with the second displacement, the 3rd clock signal input terminal CLK3, the first data I/O end DIO1 are transfused to respectively clock signal and rgb signal, this moment under the clock signal control of the 3rd clock signal input terminal CLK3 output, this rgb signal along this first, second ... the displacement to n the second shifting deposit unit 41 sequentially is shifted.When this second shift register 40 when sequentially carrying out work in contrast to the second displacement, the 4th clock signal input terminal CLK4, the second data I/O end DIO2 are transfused to respectively clock signal and rgb signal, this moment, this rgb signal was individual along this n, n-1 is individual ... the displacement to first the second shifting deposit unit 41 sequentially is shifted under the clock signal control of the 4th clock signal input terminal CLK4 output.

During 100 work of this display device, this display panel 200 is in normal laying state, and this scan drive circuit 300 is with this first displacement sequential working, and then, this article one, second ... sequentially be provided sweep signal to m bar sweep trace 21.At this moment, this data drive circuit 400 is with this second displacement sequential working, thereby a plurality of gray scale voltages are applied to this n bar data line 22, and this display panel 200 shows one first picture.The normal display direction (the normal display direction that wherein be fit to observer observation can be defined as this picture with respect to observer just put) of the display direction of this first picture under this normal laying state, being fit to observer's observation.Otherwise when this display panel 200 was in inversion state, this scan drive circuit 300 was with in contrast to the first displacement sequential working, and then this m bar, m-1 bar to article one sweep trace 21 sequentially are provided sweep signal.At this moment, this data drive circuit 400 with in contrast to second the displacement sequential working, thereby a plurality of gray scale voltages are applied to this article one, second to the n bar data line 22, this display panel 200 shows one second picture, and this second picture display direction is the normal display direction that is fit to observer's observation under this inversion state.When this display panel 200 shows this first picture and the second picture, although the laying state of this display panel 200 is different, but observer's observation position is constant, and this first picture and the second picture are all just being put with respect to the observer, all shows normal display frame.Therefore, with respect to the observer, this second picture display direction is identical with this first picture display direction, but own with respect to this display panel 200, this second picture display direction is opposite with this first picture display direction.

The below is with the example that is shown as of a frame picture, illustrate when this display panel 200 is in respectively normal laying state and inversion state, scan drive circuit 300 and data drive circuit 400 control display panels 200 show the principle of this frame picture, wherein, need to prove, no matter this display panel 200 is in this normal laying state or inversion state, provides all identical to the order of the RGB data-signal of the correspondence one frame picture of this data drive circuit 400.Specifically, the RGB data-signal that this frame picture is corresponding can be divided into the multirow data-signal, wherein a plurality of pixel cells 23 of linking to each other with a sweep trace 21 of each row of data signal correspondence.That is, no matter this display panel 200 is in this normal laying state or inversion state, and the order of multirow data-signal of RGB data-signal of this frame picture that is provided to this data drive circuit 400 is all identical.Wherein the first row data-signal is just being put the one-row pixels unit 23 that is positioned at the picture the top when showing corresponding to this frame picture at this normal laying state, the second row data-signal is just being put the capable data-signal of the second row pixel cell 23, the m that is positioned at when showing above the picture corresponding to this frame picture at this normal laying state and is just being put at this normal laying state corresponding to this frame picture and be positioned at the one-row pixels unit 23 of picture below when showing.No matter this display panel 200 is in this normal laying state or inversion state, and the order that provides of the multirow data-signal of the RGB data-signal that this frame picture is corresponding is the first row, the second row ... to the capable data-signal of m.

When this display panel 200 is in this normal laying state, this scan drive circuit 300 is with this first displacement sequential working, therefore, this first the first shifting deposit unit 31 is controlled first provides sweep signal to this article one sweep trace G1,400 pairs of these the first row data-signals of this data drive circuit are processed, and n the gray scale voltage signal that this this first row data-signal of output buffer 45 parallel outputs is corresponding certainly is to this n bar data line 22.Further, because this article one sweep trace G1 is applied in sweep signal, thereby this n gray scale voltage signal is written into a plurality of pixel cells 23 that link to each other with article one sweep trace G1.Then, the sweep signal of second the first shifting deposit unit 31 of scan drive circuit 300 outputs is to second sweep trace G2, next n corresponding to this second row data-signal gray scale voltage signal is processed and exported to 400 pairs of these the second row data-signals of data drive circuit to this n bar data line 22, and write a plurality of pixel cell 23... that link to each other with second sweep trace G2 and scan m bar sweep trace Gm until export the sweep signal of m the first shifting deposit unit 31, data drive circuit 400 is exported n gray scale voltage signal corresponding to the capable data-signal of these m to this n bar data line 22, and writes a plurality of pixel cells 23 that link to each other with m bar sweep trace 21.Like this, this display panel 200 shows this first picture, and this moment, and this first picture is just put with respect to the observer under this normal laying state.

When this display panel 200 is in this inversion state, this scan drive circuit 300 with in contrast to first the displacement sequential working, therefore, this m the first shifting deposit unit 31 controls also provide sweep signal to this m bar sweep trace Gm, 400 pairs of capable data-signals of this m of this data drive circuit are processed, and n the gray scale voltage signal that the capable data-signal of this this m of output buffer 45 parallel outputs (being that display panel 200 is in the first row data-signal under the normal laying state) is corresponding certainly is to this n bar data line 22.Further, because this m bar sweep trace Gm is applied in sweep signal, thereby this n gray scale voltage signal is written into a plurality of pixel cells 23 that link to each other with m bar sweep trace Gm.Then, sweep signal to the m-1 bar sweep trace Gm-1 of this m-1 the first shifting deposit unit 31 of scan drive circuit 300 outputs, 400 pairs of data-signals that this m-1 is capable of data drive circuit (being that display panel 200 is in the second row data-signal under the normal laying state) are processed, and from next n gray scale voltage signal corresponding to the capable data-signal of this this m-1 of output buffer 45 parallel outputs to this n bar data line 22, and write a plurality of pixel cell 23... that link to each other with m-1 bar sweep trace Gm-1 until export sweep signal scanning article one sweep trace G1 of first the first shifting deposit unit 31, data drive circuit 400 is exported n gray scale voltage signal corresponding to these the first row data-signals (being that display panel 200 is in the capable data-signal of m under the normal laying state) to this n bar data line 22, and writes a plurality of pixel cells 23 that link to each other with article one sweep trace G1.

Like this, this display panel 200 shows this second picture.Because this first row data-signal is applied to a plurality of pixel cells 23 that link to each other with m bar sweep trace Gm, namely this first row data-signal is applied to the one-row pixels unit 23 that is positioned at the top under this inversion state with respect to the observer; The second row data-signal is applied to the capable data-signal of a plurality of these m of pixel cell 23... that m-1 bar sweep trace Gm-1 links to each other and is applied to a plurality of pixel cells 23 of linking to each other with article one sweep trace G1 (namely this first row data-signal is applied under this inversion state, the one-row pixels unit below being positioned at respect to the observer).And, since this moment this second shift register 40 with in contrast to second the displacement sequential working, each row data-signal has also carried out data rearrangement with respect to the second displacement order, so that each data in each row data-signal are also relative adjusted with the corresponding relation of this n bar data line 22.Therefore, this second picture is still the same with the first picture with respect to the observer just puts.

This control module 20 outputs control signals to scan drive circuit 300 and data drive circuit 400, controls the displacement order of the first shift register 30 and the second shift register 40.Particularly, when display panel 200 is in normal laying state, this control module 20 is exported one first scan control signal to the first direction of displacement control end L/R of this scan drive circuit 300, and exports one first data controlling signal to the second direction of displacement control end SHL of this data drive circuit 400.After the first shift register 30 of this scan drive circuit 300 receives these first scan control signals, with the first displacement sequential working, control this article one, second ... be applied in successively sweep signal to m bar sweep trace 21.After the second shift register 40 of this data drive circuit 400 receives this first data controlling signal, with the second displacement sequential working, control this n bar data line 22 and be applied in the gray scale voltage signal.And then this display panel 200 shows this first picture.

When display panel 200 is in inversion state, this control module 20 is exported one second scan control signal to the first direction of displacement control end L/R of this scan drive circuit 300, and exports one second data controlling signal to the second direction of displacement control end SHL of this data drive circuit 400.After the first shift register 30 of this scan drive circuit 300 receives this second scan control signal, with the second displacement sequential working, control this m bar, m-1 bar ... be applied in successively sweep signal to article one sweep trace 21.After the second shift register 40 of this data drive circuit 400 receives this second data controlling signal, with in contrast to the second displacement sequential working, control this n bar data line 22 and be applied in the gray scale voltage signal.And then this display panel 200 shows this second picture.

Further, the control module 20 of the present embodiment comprises the first output terminal, the second output terminal, this first output terminal is connected with scan drive circuit 300, this first output terminal is used for output the first scan control signal or the second scan control signal, this second output terminal is connected with data drive circuit 400, and this second output terminal is used for output the first data controlling signal or the second data controlling signal.Specifically, when display panel 200 is in normal laying state, the first control end output low level signal L (the first scan control signal) is to scan drive circuit 300, the second control end output high level signal H (the first data controlling signal) is to data drive circuit 400, and this display device 100 shows the first picture.When display panel 200 is in inversion state, the first control end output high level signal H (the second scan control signal) is to scan drive circuit 300, the second control end output low level signal L (the second data controlling signal) is to data drive circuit 400, and this display device 100 shows the second picture.

Compared to prior art, display device 100 the first shift register 30 by this scan drive circuit 300 of control and the displacement order of the second shift register 40 of data drive circuit 400, can realize under different laying states, picture display direction all is the effect of normal display frame corresponding to the observer, effectively solved the problem that the prior art display device can't be regulated according to laying state display direction, display device 100 of the present invention more can adapt to the needs of installing mechanism and outward appearance, and is convenient applicable.

See also Fig. 5, it is the structural representation of display device the second embodiment of the present invention.The difference of the display device 100 of the display device of second embodiment of the invention and the first embodiment is: this display device 100 further comprises a detecting unit 10.This detecting unit is used for the laying state (normal laying state or inversion state) of automatic detection display panel 200, and exports corresponding detection signal to control module 20.This control module 20 is according to the detection signal that receives, output is corresponding controls signal to scan drive circuit 300 and data drive circuit 400, with gated sweep driving circuit 300 the displacement order of the first shift register 30 and the second shift register 40 of data drive circuit 400, that is control the displacement order of this n the second shifting deposit unit 41 of this m the first shifting deposit unit 31 of this scan drive circuit 300 and this data drive circuit 400.

Particularly, when display panel 200 was in normal laying state, this detecting unit 10 outputs one first detection signal was to this control module 20.This control module 20 is exported the first scan control signal to the first shift register 30 of this scan drive circuit 300 according to this first detection signal, and exports the first data controlling signal to the second shift register 40 of this data drive circuit 400.After the first shift register 30 of this scan drive circuit 300 receives this first scan control signal, with the first displacement sequential working.After the second shift register 40 of this data drive circuit 400 receives this first data controlling signal, with the second displacement sequential working.And then this display panel 200 shows this first picture.

When display panel 200 was in inversion state, this detecting unit 10 outputs one second detection signal was to this control module 20.This control module 20 is exported the second scan control signal to the first shift register 30 of this scan drive circuit 300 according to this second detection signal, and exports the second data controlling signal to the second shift register 40 of this data drive circuit 400.After the first shift register 30 of this scan drive circuit 300 receives this second scan control signal, with the second displacement sequential working.After the second shift register 40 of this data drive circuit 400 receives these second data controlling signals, with in contrast to the second displacement sequential working.And then this display panel 200 shows this second picture.

Display device compared to the first embodiment, the display device of the second embodiment can this display device 100 of automatic sensing-detecting laying state, the laying state that control module 20 detects according to this detecting unit 10, control the displacement order of the first shift register 30 with second shift register 40 of data drive circuit 400 of this scan drive circuit 300, thereby automatically control this display device 100 no matter under normal laying state or inversion state, all show the picture of just putting with respect to the user.Therefore, the display device 100 of this second embodiment has according to laying state different, and the function of automatically regulating picture display direction is more suitable for user's use.

In a kind of embodiment of the second embodiment, this detecting unit 10 comprises a direction sensor 11, and this direction sensor 11 is exported corresponding detection signal to control module 20 for detection of the laying state (normal laying state or inversion state) of display panel 200.This control module 20 comprises a microprocessor 12, and this microprocessor 12 provides and controls signal to accordingly scan drive circuit 300 and data drive circuit 400 according to the detection signal of these direction sensor 11 outputs.Particularly, when display panel 200 is in normal laying state, this direction sensor 11 outputs first detection signal is to microprocessor 12, this microprocessor 12 is exported the first scan control signal to scan drive circuit 300 according to this first detection signal, and export the first data controlling signal to data drive circuit 400, display panel 200 shows the first picture; When display panel 200 is in inversion state, this direction sensor 11 outputs second detection signal is to microprocessor 12, microprocessor 12 is exported the second scan control signal to scan drive circuit 300 according to this second detection signal, and export the second data controlling signal to data drive circuit 400, display panel shows the second picture.

In other embodiments, above-mentioned control module 20 also comprises a level control circuit 13, and this level control circuit 13 is used for the control signal of microprocessor 12 outputs is converted to corresponding level signal.Particularly, when display panel 200 is in normal laying state, microprocessor 12 is exported respectively the first scan control signal and the first data controlling signal to level control circuit 13 according to the first detection signal of this direction sensor 11 outputs, level control circuit 13 is converted to corresponding the first level signal and three level signal with this first scan control signal and this first data controlling signal, then export this first level signal to scan drive circuit 300, export this three level signal to data drive circuit 400; When display panel 200 is in inversion state, microprocessor 12 is exported respectively the second scan control signal and the second data controlling signal to level control circuit 13 according to the second detection signal of this direction sensor 11 outputs, level control circuit 13 is converted to corresponding second electrical level signal and the 4th level signal with this second scan control signal and this second data controlling signal, then export this second electrical level signal to scan drive circuit 300, export the 4th level signal to data drive circuit 400.

See also Fig. 6, it is the circuit diagram of a kind of embodiment of level control circuit.As shown in Figure 6, this level control circuit 13 comprises a power Vcc, four metal-oxide-semiconductor field effect transistor Q1, Q2, Q3 and Q4 and two resistance R 1 and R2.Particularly, metal-oxide-semiconductor field effect transistor Q1 and Q4 are the PMOS field effect transistor, and metal-oxide-semiconductor field effect transistor Q2 and Q3 are the NMOS field effect transistor.Power Vcc links to each other with resistance R 1 one ends, the other end of resistance R 1 connects the source electrode of metal-oxide-semiconductor field effect transistor Q1, the drain electrode of Q1 links to each other with the source electrode of metal-oxide-semiconductor field effect transistor Q2, the grounded drain of Q2, the second direction of displacement control end SHL of access data driving circuit 400 between the source electrode of the drain electrode of Q1 and Q2, power Vcc links to each other with resistance R 2 one ends, the other end of resistance R 2 connects the source electrode of metal-oxide-semiconductor field effect transistor Q3, the drain electrode of Q3 links to each other with the source electrode of metal-oxide-semiconductor field effect transistor Q4, the grounded drain of Q4, the first direction of displacement control end L/R of access scan drive circuit 300 between the source electrode of the drain electrode of Q3 and Q4, metal-oxide-semiconductor field effect transistor Q1, Q2, Q3, the grid of Q4 all is connected to the control pin CTL of this microprocessor 12, controls the level of the first direction of displacement control end L/R and the second direction of displacement control end SHL by the level of controlling this control pin CTL.Particularly, when display device 100 is in normal laying state, these microprocessor 12 output first scan control signals and the first data controlling signal (this moment, the first scan control signal and the first data controlling signal were same low level signal) are to this level control circuit 13, metal-oxide-semiconductor field effect transistor Q2 and Q3 cut-off this moment, metal-oxide-semiconductor field effect transistor Q1 and Q4 conducting, level control circuit 13 is output as the first level signal of L (low level) to the first direction of displacement control end L/R of scan drive circuit 300, is output as the three level signal of H (high level) to the second direction of displacement control end SHL of data drive circuit 400.When display device 100 is in inversion state, these microprocessor 12 output second scan control signals and the second data controlling signal (this moment, the second scan control signal and the second data controlling signal were same high level signal) are to level control circuit 13, this moment metal-oxide-semiconductor field effect transistor Q2 and Q3 conducting, metal-oxide-semiconductor field effect transistor Q1 and Q4 cut-off, level control circuit 13 is output as the second electrical level signal of H (high level) to the first direction of displacement control end L/R of scan drive circuit 300, is output as the 4th level signal of L (low level) to the second direction of displacement control end SHL of data drive circuit 400.

Certainly, this level control circuit 13 can also have the various deformation mode, and for example metal-oxide-semiconductor field effect transistor Q1 and Q4 are the NMOS field effect transistor, and metal-oxide-semiconductor field effect transistor Q2 and Q3 are the PMOS field effect transistor.

See also Fig. 7, it is the structural representation of the display device of the 3rd embodiment of the present invention.The difference of the display device of the display device of third embodiment of the invention and the first embodiment is: this display device 100 also comprises a receiving end 50, a control module 20.This receiving end 50 is operated by the user, the command signal of the needs change display direction that receiving end 50 reception users send, and export corresponding signal to control module 20, control module 20 is worked according to the mode among the embodiment of above-mentioned the first embodiment, gated sweep driving circuit 300 and data drive circuit 400.

Certainly, in one embodiment, the receiving end 50 of this display device 100 can be set as one first button and one second button, when the observer presses the first button, this control module 20 outputs first scan control signal is to this scan drive circuit 300, and export the first data controlling signal data drive circuit 400, thereby display device 100 shows this first picture; When the observer pressed the second button, this control module 20 was exported second scan control signal to this scan drive circuit 300, and exports the second data controlling signal to data drive circuit 400, thereby display device 100 shows these second pictures.Certainly, this first button and the second button can be arranged on the telechiric device (not shown) of display device 100, or around the framework of display device.Or, in a kind of change embodiment, the first button and the second button needn't be set, show the function choosing-item of selecting picture display direction but increase in the menu of this display device 100, the observer can select by the dialog box that shows on the operation display interface display direction of picture.

By the above-mentioned set-up mode of third embodiment of the invention, display device observer can be according to the laying state of display device 100, by self wish or need to select the display direction of picture.

See also Fig. 8, it is the flow chart of steps of a better embodiment of the control method of display device picture display direction of the present invention.The control method of this display frame direction may further comprise the steps:

Step S1 provides a display device;

S1 is specific as follows for this step: this display device 100 comprises display panel 200, scan drive circuit 300 and data drive circuit 400, this display panel 200 comprises m bar sweep trace 21 and n bar data line 22, wherein, m and n are natural number, this scan drive circuit 300 comprises m the first shifting deposit unit 31, this m the first shifting deposit unit is used for control series of scanning signals sequentially is provided to this m bar sweep trace 21, wherein, the corresponding one scan line of each first shifting deposit unit, this data drive circuit 400 comprises n the second shifting deposit unit 41, this n the second shifting deposit unit 41 is used for control provides a plurality of gray scale voltage signals to this n bar data line 22, wherein the corresponding data line of each second shifting deposit unit.

Step S2, the laying state of detection display panel 200;

S2 is specific as follows for this step: the laying state of automatic detection display panel 200, when display panel 200 is in normal laying state, provide one first detection signal, and when display panel 200 is in inversion state, provide one second detection signal.

Step S3 provides to control signal to scan drive circuit 300 and data drive circuit 400;

S3 is specific as follows for this step: according to the first detection signal that receives or the second detection signal, provide and control signal to accordingly scan drive circuit 300 and data drive circuit 400.When receiving the first detection signal, provide one first scan control signal to scan drive circuit 300, and provide one first data controlling signal to data drive circuit 400; When receiving the second detection signal, provide one second scan control signal to scan drive circuit 300, and provide one second data controlling signal to data drive circuit 400.

Step S4, this m the first shifting deposit unit and this n the second shifting deposit unit is carried out shifting function, that is, in this m the first shifting deposit unit and this n the second shifting deposit unit, sequentially be shifted according to corresponding displacement;

S4 is specific as follows for this step: when scan drive circuit 300 receives this first scan control signal and this data drive circuit 400 receives this first data controlling signal (when namely this display panel is in normal laying state), this m the first shifting deposit unit is according to first, second ... the first displacement to m the first shifting deposit unit 31 sequentially is shifted, this n the second shifting deposit unit 41 is with first, second ... the second displacement to n the second shifting deposit unit sequentially is shifted, when scan drive circuit 300 receives this second scan control signal and this data drive circuit 400 and receives this second data controlling signal (namely this display panel is in inversion state), this m the first shifting deposit unit 31 is with m, m-1 ... to sequentially being shifted in contrast to the first displacement of first the first shifting deposit unit, this n the second shifting deposit unit 41 is with n, n-1 ... to sequentially being shifted in contrast to the second displacement of first the second shifting deposit unit.

Step S5, output scanning signal and gray scale voltage signal;

Step S5 is specific as follows: it is according to the displacement order of this m the first shifting deposit unit 31 and this n the second shifting deposit unit 41, this m of scan drive circuit 300 the first shifting deposit unit 31 provides a plurality of sweep signals to this m bar sweep trace 21, this n of data drive circuit 400 the second shifting deposit unit 41 provides a plurality of gray scale voltage signals to this n bar data line 22, under normal laying state, namely when this m the first shifting deposit unit 31 is shifted sequential working with the first displacement sequential working and this n the second shifting deposit unit 41 with second, this article one, second ... sequentially be applied in sweep signal to m bar sweep trace 21, this n bar data line 22 is applied in a plurality of gray scale voltage signals, this display panel shows one first picture, under inversion state, namely this m the first shifting deposit unit 31 with in contrast to the first displacement sequential working and this n the second shifting deposit unit 41 with in contrast to the second displacement sequential working the time, this m bar, m-1 bar ... sequentially be applied in sweep signal to article one sweep trace, this n bar data line is applied in the gray scale voltage signal, this display panel shows one second picture, wherein with respect to this display panel 200, this first picture is opposite with the display direction of the second picture.

Compared to prior art, the control method of display device picture display direction of the present invention, because laying state that can automatic detection display device, and be normal display frame according to the picture display direction of the automatic adjusting display device of testing result, it more can satisfy the needs of mechanism and outward appearance, more convenient observer's observation.

Certainly, in other embodiments of the invention, guarantee to realize that picture regulates under the prerequisite that the display direction function realizes, the user can Self-operating, select the direction of display device display frame according to self needs, only just can be realized by above-mentioned steps S1, S3, S4 and S5.

Exemplary embodiment of the present invention is disclosed here, although and adopted specific term, they only are used and explain in a kind of general mode with explaining, and are not used in restriction.Therefore, it will be appreciated by those skilled in the art that, can make in the form and details various changes, be that display device is in the upside down state with respect to the observer such as normal laying state, inversion state is that display device is in the normal laying state with respect to the observer, and for example in the display device 100 of reality, change direction sensor 11, the position of microprocessor 12 and level control circuit 13, can be arranged at the video signal processing unit of this display device 100 such as direction sensor 11 and microprocessor 12, and level control circuit 13 is located on the driving signal processing unit, perhaps be formed on this display panel 200, and for example level control circuit 13 is arranged in the convergent-divergent control chip (Scaler IC), to the convergent-divergent control chip, set the level signal that exports scan drive circuit 300 and data drive circuit 400 to by coding, reach the purpose of the direction of regulating picture disply.And for example level control circuit 13 is arranged in the Low Voltage Differential Signal transmitter, this Low Voltage Differential Signal transmitter output high level or low level realize the adjusting of picture display direction to scan drive circuit 300 and data drive circuit 400.Level control circuit 13 can also be arranged in the Low Voltage Differential Signal receiver that shows module.Technical scheme of the present invention is not limited to be applicable to liquid crystal indicator in addition, and it also can be applicable in the display device of other types.These do not depart from the spirit and scope of the present invention of claims.

Claims

1. display device all shows normal display frame under relative observer's normal laying state or inversion state, comprising:

One display panel comprises m bar sweep trace and n bar data line, and wherein, m and n are natural number;

Scan driving circuit comprises m the first shifting deposit unit, the corresponding one scan line of each first shifting deposit unit, and this m the first shifting deposit unit is used for control series of scanning signals sequentially is provided to this m bar sweep trace;

One data drive circuit comprises n the second shifting deposit unit, corresponding data line of each second shifting deposit unit wherein, and this n the second shifting deposit unit is used for control provides a plurality of gray scale voltage signals to this n bar data line; And

One control module, this control module provide and control signal to this scan drive circuit and this data drive circuit, control the displacement order of this m the first shifting deposit unit and this n the second shifting deposit unit;

When the residing laying state of this display panel is this normal laying state, this control module is controlled this m the first shifting deposit unit with one first displacement sequential working, and control this n the second shifting deposit unit with one second displacement sequential working, this m the first shifting deposit unit is sequentially controlled this and first sequentially is applied in sweep signal to m bar sweep trace, and this n the second shifting deposit unit controlled this n bar data line and be applied in the gray scale voltage signal; When this display panel is in this inversion state, this control module is controlled this m the first shifting deposit unit with in contrast to the first displacement sequential working, and control this n the second shifting deposit unit with in contrast to the second displacement sequential working, this m the first shifting deposit unit controlled this m and is applied in sweep signal to article one sweep trace, and this n the second shifting deposit unit controlled this n bar data line and be applied in the gray scale voltage signal;

Wherein, this scan drive circuit comprises one first direction of displacement control end, when display panel is in this normal laying state, this control module is exported one first scan control signal to this first direction of displacement control end, this scan drive circuit is controlled this m the first shifting deposit unit with this first displacement sequential working according to this first scan control signal, when this display panel is in this inversion state, this control module is exported one second scan control signal to this first direction of displacement control end, and this scan drive circuit is controlled this m the first shifting deposit unit with in contrast to the first displacement sequential working according to this second scan control signal; And

This scan drive circuit comprises one first clock signal input terminal, one first starting potential I/O end, one second clock signal input part and one second starting potential I/O end, this first clock signal input terminal and this first starting potential I/O end are arranged at this first the first shifting deposit unit, this second clock signal input part and the second starting potential I/O end are arranged at this m the first shifting deposit unit, when display panel is in normal laying state, this first clock signal input terminal is transfused to the first clock signal, this the first starting potential I/O end is transfused to starting potential, under this first clock signal control, this m the first shifting deposit unit is with this first displacement sequential working, when display panel is in inversion state, this second clock signal input part is transfused to the second clock signal, this the second starting potential I/O end is transfused to starting potential, under this second clock signal controlling, this m the first shifting deposit unit is with in contrast to the first displacement sequential working.

2. display device according to claim 1, it is characterized in that: this data drive circuit comprises one second direction of displacement control end, when display panel is in this normal laying state, this control module is exported one first data controlling signal to this second direction of displacement control end, this data drive circuit is controlled this n the second shifting deposit unit with one second displacement sequential working according to this first data controlling signal, when this display panel is in this inversion state, this control module is exported one second data controlling signal to this second direction of displacement control end, and this data drive circuit is controlled this n the second shifting deposit unit with in contrast to the second displacement sequential working according to this second data controlling signal.

3. display device according to claim 1, it is characterized in that: this scan drive circuit comprises an output buffer, the series of scanning signals of this m the first shifting deposit unit output is provided to corresponding sweep trace via this output buffer.

4. display device according to claim 3, it is characterized in that: this scan drive circuit comprises a level translator, this level translator is between this m the first shifting deposit unit and this output buffer, it is used for the series of scanning signals of m the first shifting deposit unit output is carried out level conversion, and the series of scanning signals after will changing provides to this output buffer.

5. display device according to claim 1, it is characterized in that: this data drive circuit comprises a line latch, a digital to analog converter and an output buffer, a plurality of rgb signal parallel outputs that this line latch is used for n the second shifting deposit unit exported are to this digital to analog converter, this digital to analog converter should convert a plurality of gray scale voltage signals to by a plurality of rgb signals, and exporting this output buffer to, this output buffer outputs to corresponding data line with these a plurality of gray scale voltage signals.

6. display device according to claim 5, it is characterized in that: this data drive circuit also comprises a level translator, this level translator is between this line latch and this digital to analog converter, it is used for a plurality of rgb signals of this line latch output are carried out level conversion, and a plurality of rgb signals after will changing output to this digital to analog converter.

7. display device according to claim 1, it is characterized in that: this control module comprises one first output terminal and one second output terminal, this first output terminal is for exporting the first scan control signal or the second scan control signal to this scan drive circuit, and this second output terminal is for exporting this first data controlling signal or the second data controlling signal to this data drive circuit.

8. display device according to claim 7, it is characterized in that: when display panel is in this normal laying state, the first scan control signal of this first output terminal output is low level signal, the first data controlling signal of this second output terminal output is high level signal, when display panel is in inversion state, the second scan control signal of this first output terminal output is high level signal, and the second data controlling signal of this second output terminal output is low level signal.

9. display device according to claim 1, it is characterized in that: this display device comprises a detecting unit, this detecting unit is for detection of the residing laying state of this display panel and provide corresponding detection signal to this control module, when display panel is in normal laying state, export one first detection signal to this control module, when display panel is in inversion state, export one second detection signal to this control module.

10. display device according to claim 9, it is characterized in that: this detecting unit comprises a direction sensor, this control module comprises a microprocessor, to this microprocessor, this microprocessor is controlled the displacement order of this m the first shifting deposit unit and this n the second shifting deposit unit to this direction sensor according to the detection signal of this direction sensor output for detection of the residing laying state of display panel and output detection signal.

11. display device according to claim 10, it is characterized in that: this display device also comprises a level control circuit, this level control circuit one end connects this microprocessor, the other end is connected with this data drive circuit with this scan drive circuit respectively, this microprocessor is controlled this level control circuit provides level signal to this scan drive circuit and this data drive circuit, to control the displacement order of this m the first shifting deposit unit and this n the second shifting deposit unit.

12. display device according to claim 11, it is characterized in that: this level control circuit comprises a power supply, two resistance and four metal-oxide-semiconductor field effect transistors and two level output ends, this power supply respectively with the first resistance, the second resistance is connected, this the first resistance connects the source electrode of this first metal-oxide-semiconductor field effect transistor, the drain electrode of this first metal-oxide-semiconductor field effect transistor connects source electrode and first level output end of the second metal-oxide-semiconductor field effect transistor, the grounded drain of this second metal-oxide-semiconductor field effect transistor, this is first years old, the grid of the second metal-oxide-semiconductor field effect transistor links to each other with the output terminal of microprocessor, this the second resistance connects the source electrode of the 3rd metal-oxide-semiconductor field effect transistor, the drain electrode of the 3rd metal-oxide-semiconductor field effect transistor connects source electrode and the second electrical level output terminal of the 4th metal-oxide-semiconductor field effect transistor, the grounded drain of the 4th metal-oxide-semiconductor field effect transistor, the 3rd, the grid of the 4th metal-oxide-semiconductor field effect transistor links to each other with the output terminal of microprocessor.

13. display device according to claim 1, it is characterized in that: this display device comprises a user side, this user side is used for the picture display direction of user selection display device, and provide corresponding signal to this control module, this control module provides and controls signal to this scan drive circuit and this data drive circuit, control the displacement order of this first shift register and this second shift register, to show normal display frame.

14. display device according to claim 2, it is characterized in that: this data drive circuit comprises one the 3rd clock signal input terminal, one first data I/O end, one the 4th clock signal input terminal and one second data I/O end, the 3rd clock signal input terminal and this first data I/O end are arranged at this first the second shifting deposit unit, the 4th clock signal input terminal and the second data I/O end are arranged at this n the second shifting deposit unit, when display panel is in normal laying state, the 3rd clock signal input terminal is transfused to the 3rd clock signal, this the first data I/O end is transfused to rgb signal, under the control of the 3rd clock signal, this n the second shifting deposit unit is with this second displacement sequential working, when display panel is in inversion state, the 4th clock signal input terminal is transfused to the 4th clock signal, this the second data I/O end is transfused to rgb signal, under the 4th clock signal control, this m the second shifting deposit unit is with in contrast to the second displacement sequential working.

15. a display device all shows normal display frame under relative observer's normal laying state or inversion state, comprising:

Scan driving circuit comprises one first shift register, and this first shift register is to should m bar sweep trace, and this first shift register is used for control sequentially provides series of scanning signals to this m bar sweep trace;

One data drive circuit comprises one second shift register, and this second shift register is to should n bar data line, and this second shift register is used for control provides a plurality of gray scale voltage signals to this n bar data line;

One control module, this control module provide and control signal to this scan drive circuit and this data drive circuit, control the displacement order of this first shift register and this second shift register;

When this display panel is in this normal laying state, this control module is controlled this first shift register with one first displacement sequential working, and control this second shift register with one second displacement sequential working, this first shift register is controlled this and first sequentially is applied in sweep signal to m bar sweep trace, this second shift register is controlled this n bar data line and is applied in the gray scale voltage signal, when this display panel is in this inversion state, this control module control this first shift register with in contrast to first the displacement sequential working, and control this second shift register with in contrast to second the displacement sequential working, this first shift register is controlled this m and sequentially is applied in sweep signal to article one sweep trace, and this second shift register is controlled this n bar data line and is applied in the gray scale voltage signal;

Wherein, this scan drive circuit comprises one first direction of displacement control end, when display panel is in this normal laying state, this control module is exported one first scan control signal to this first direction of displacement control end, this scan drive circuit is controlled this m the first shifting deposit unit with this first displacement sequential working according to this first scan control signal, when this display panel is in this inversion state, this this control module is exported one second scan control signal to this first direction of displacement control end, and this scan drive circuit is controlled this m the first shifting deposit unit with in contrast to the first displacement sequential working according to this second scan control signal; And

16. the control method of a display device picture display direction, its adjusting display device all shows normal display frame in relative observer's normal laying state or inversion state, and the control method of described display device picture display direction may further comprise the steps:

One provides the step of a display device, this display device comprises display panel, scan drive circuit and data drive circuit and control module, this display panel comprises m bar sweep trace and n bar data line, wherein, m and n are natural number, this scan drive circuit comprises m the first shifting deposit unit, this m the first shifting deposit unit is used for control series of scanning signals sequentially is provided to this m bar sweep trace, wherein, the corresponding one scan line of each first shifting deposit unit, this data drive circuit comprises n the second shifting deposit unit, this n the second shifting deposit unit is used for control provides a plurality of gray scale voltage signals to this n bar data line, wherein the corresponding data line of each second shifting deposit unit;

The step of one control signal output, provide control signal to control the displacement order of this m the first shifting deposit unit and individual the second shifting deposit unit of this n by this control module, when display panel is in normal laying state, provide one first scan control signal to this scan drive circuit, and provide one first data controlling signal to this data drive circuit, when display panel is in this inversion state, provide one second scan control signal to scan drive circuit, and provide one second data controlling signal to data drive circuit;

One carries out the step of shifting function, this m the first shifting deposit unit receives after this first scan control signal with one first displacement sequential working, this n the second shifting deposit unit receives after this first data controlling signal with one second displacement sequential working, this m the first shifting deposit unit receives after this second scan control signal with in contrast to the first displacement sequential working, this n the second shifting deposit unit receives after this second data controlling signal with the work that sequentially is shifted in contrast to the second displacement

The step of one output scanning signal and gray scale voltage signal, when this m the first shifting deposit unit is shifted sequential working with the first displacement sequential working and this n the second shifting deposit unit with second, this first sequentially is applied in sweep signal to m bar sweep trace, this n bar data line is applied in a plurality of gray scale voltage signals, when this m the first shifting deposit unit with in contrast to the first displacement sequential working and this n the second shifting deposit unit with in contrast to the second displacement sequential working the time, this m sequentially is applied in sweep signal to article one sweep trace, and this n bar data line is applied in a plurality of gray scale voltage signals;

17. the control method of display device picture display direction according to claim 16 is characterized in that: the method is further comprising the steps of:

The step of the laying state of one detection display panel, it provides between the step and this control signal output step of a display device at this, the laying state of automatic detection display panel also provides corresponding detection signal, when display panel is in this normal laying state, one first detection signal is provided, when display panel is in this inversion state, one second detection signal is provided, provide corresponding control signal based on this first detection signal and the second detection signal.