CN105321473A - Panel display device and driving method thereof - Google Patents
Panel display device and driving method thereof Download PDFInfo
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- CN105321473A CN105321473A CN201510938265.0A CN201510938265A CN105321473A CN 105321473 A CN105321473 A CN 105321473A CN 201510938265 A CN201510938265 A CN 201510938265A CN 105321473 A CN105321473 A CN 105321473A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
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Abstract
The invention provides a panel display device and a driving method thereof. The panel display device comprises a substrate, a plurality of display modules and a plurality of groups of control wires, wherein the plurality of display modules and the plurality of groups of control wires are positioned on the substrate; the plurality of display modules are ranked in a matrix mode; the plurality of control wires are ranked sequentially along the row direction or the column direction; each group of control wires are all connected with a row or a column of display modules; each display module comprises a silicon chip; and the silicon chips individually drive the corresponding display modules. According to the panel display device and the driving method thereof which are provided by the invention, block independent driving is realized by adopting the silicon chips; and when partial displaying is carried out, only the silicon chips in the partial display regions are required to be activated, and the silicon chips in other regions do not need to operate, so that the energy consumption of the panel display device can be reduced.
Description
Technical field
The present invention relates to technical field of flat panel display, particularly a kind of panel display apparatus and driving method thereof.
Background technology
Along with the development of information society, the demand of people to display device is growing.In order to meet this requirement, various panel display apparatus such as thin-film transistor LCD device (TFT-LCD), plasm display device (PDP), organic light-emitting display device (OLED) are obtained for swift and violent development.In the middle of flat-panel display device, organic light-emitting display device (OLED) has that active illuminating, contrast are high, fast response time, the plurality of advantages such as frivolous, progressively occupies the leading position of flat pannel display.
For various panel display apparatus, power consumption is very crucial performance index.Power consumption height not only cannot meet the requirement of environmental protection, and can increase the working temperature of display device, causes heat dissipation problem.Particularly be contained in the panel display apparatus on portable electron device, the requirement for low-power consumption is stricter.
The power consumption way of current reduction panel display apparatus, mainly contains two kinds:
The first adopts storer, kept the display state of pixel by storer, but adopt storer only can reduce the energy consumption of static images, and can not reduce the energy consumption of dynamic picture;
The second adopts local repressentation to reduce energy consumption, but according to existing type of drive, even if local repressentation also needs to scan pixels all on display screen, therefore effectively can not reduce the energy consumption driving pixel.
Based on this, how to solve the problem that existing panel display apparatus energy consumption is high, the technical matters having become those skilled in the art urgently to be resolved hurrily.
Summary of the invention
The object of the present invention is to provide a kind of panel display apparatus and driving method thereof, to solve the high problem of existing panel display apparatus energy consumption.
For solving the problem, the invention provides a kind of panel display apparatus, described panel display apparatus comprises: a substrate and the multiple display module be positioned on described substrate and organize control line more;
Described multiple display module is matrix arrangement, and described many group control lines, along line direction or column direction sequential, are often organized control line and are all connected with a row or column display module;
Each display module includes a silicon, the corresponding display module of described silicon drive.
Optionally, in described panel display apparatus, often organize control line and provide the first coded signal, the second coded signal, the 3rd coded signal, the 4th coded signal, the first control signal, the second control signal, the 3rd control signal, the first power supply signal, second source signal, the 3rd power supply signal and clock signal respectively to described display module;
Wherein, described first coded signal, the second coded signal, the 3rd coded signal, the 4th coded signal, the first control signal, the second control signal, the 3rd control signal, the first power supply signal, second source signal, the 3rd power supply signal and clock signal cooperatively interact and realize the driving of described display module.
Optionally, in described panel display apparatus, the state of described silicon comprises closed condition, selected state, sample states and luminescence display state, and the first coded signal, the second coded signal, the 3rd coded signal, the 4th coded signal, the first control signal, the second control signal and the 3rd control signal that the state of described silicon is provided by described control line control.
Optionally, in described panel display apparatus, described display module also comprises at least one pixel cell, and described pixel cell includes OLED and for driving the image element circuit of described Organic Light Emitting Diode.
Optionally, in described panel display apparatus, described image element circuit: comprise the first transistor, transistor seconds, third transistor and the first capacitor;
The first substrate of the drain electrode of described the first transistor, the grid of transistor seconds and the first capacitor is all connected to first node, the source electrode of described third transistor is connected with the drain electrode of transistor seconds, the drain electrode of described third transistor is connected with the anode of described Organic Light Emitting Diode, and the negative electrode of described Organic Light Emitting Diode receives the second source signal that described control line provides;
The source electrode of described transistor seconds is all connected with described control line with the second substrate of the first capacitor, for receiving the first power supply signal that described control line provides;
The source electrode of described the first transistor is connected with described control line, for receiving the 3rd power supply signal that described control line provides.
Optionally, in described panel display apparatus, described silicon comprises a signal control end and multiple signal output part, the grid one_to_one corresponding of the first transistor of the display module that described multiple signal output part is corresponding with described silicon is also interconnected, and the grid of the third transistor of the display module that described silicon is corresponding is all connected with described signal control end.
Optionally, in described panel display apparatus, described the first transistor, transistor seconds and third transistor are thin film transistor (TFT).
Optionally, in described panel display apparatus, described substrate is transparent glass substrate.
Optionally, in described panel display apparatus, each pixel cell includes red sub-pixel, green sub-pixels and blue subpixels, and described red sub-pixel, green sub-pixels and blue subpixels are uniformly distributed in the row direction or on column direction.
Accordingly, present invention also offers a kind of driving method of panel display apparatus, the driving method of described panel display apparatus comprises:
There is provided the first coded signal, the second coded signal, the 3rd coded signal and the 4th coded signal by control line, make silicon change selected state into by closed condition.
There is provided the first control signal, the second control signal and the 3rd control signal by control line, described silicon is changed into by selected state and is in sample states; And
Again provide the first coded signal, the second coded signal, the 3rd coded signal and the 4th coded signal by control line, make described silicon change luminescence display state into by sample states.
In panel display apparatus provided by the invention and driving method thereof, silicon is adopted to realize piecemeal drive, only need activate the silicon in partial display area during local repressentation, the silicon in other regions without the need to work, therefore, it is possible to reduce the energy consumption of described panel display apparatus.
Accompanying drawing explanation
Fig. 1 is the structural representation of the panel display apparatus of the embodiment of the present invention;
Fig. 2 is the enlarged diagram of the display module of the embodiment of the present invention;
Fig. 3 is the partial circuit figure of the display module of the embodiment of the present invention;
Fig. 4 is the state transition diagram of the silicon of the embodiment of the present invention.
Embodiment
A kind of panel display apparatus proposed the present invention below in conjunction with the drawings and specific embodiments and driving method thereof are described in further detail.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, the aid illustration embodiment of the present invention lucidly.
Incorporated by reference to reference to figure 1 and Fig. 2, it is the structural representation of the panel display apparatus of the embodiment of the present invention.As depicted in figs. 1 and 2, described panel display apparatus 10 comprises: substrate (not shown) and the multiple display modules 200 be positioned on described substrate organize control line 300 with more; The arrangement in matrix of described multiple display module 200, described many group control lines 300, along line direction or column direction sequential, are often organized control line 300 and are all connected with a row or column display module 200; Each display module 200 includes a silicon 210, the corresponding display module 200 of described silicon 210 drive.
Concrete, the arrangement in matrix of described multiple display module 200, described many group control lines 300 can be arranged along line direction, also can arrange along column direction.Described many group control lines 300 arrange along line direction and namely to extend and along line direction sequential, then often row display module 200 is all connected with one group of control line 300 along column direction.Described many group control lines 300 along column direction settings i.e. described control line 300 of organizing more along line direction extension and along column direction sequential, then often row display module 200 is all connected with one group of control line 300.
Wherein, each display module 200 includes silicon 210 and at least one pixel cell 220, and described silicon 210 is connected with at least one pixel cell 220 described, in order to drive the pixel cell 220 be attached thereto.The quantity of the pixel cell 220 in display module 200 can be 1,2,4,8,16,32 or more, and namely silicon 210 can drive 1 pixel cell, 220,2 pixel cells, 220,4 pixel cells, 220,8 pixel cells, 220,16 pixel cells, 220,32 pixel cells 220 or more.In different display modules 200, the quantity of pixel cell 220 can be identical, also can be different.In each display module 200, the quantity of pixel cell 220 is arranged according to actual needs, does not limit at this.
In the present embodiment, only drive 16 pixel cells 220 for a silicon 210.As shown in Figure 2, display module 200 comprises a silicon 210 and 16 pixel cells 220, each pixel cell 220 includes red sub-pixel R, green sub-pixels G and these three sub-pixels of blue subpixels B, described three sub-pixels are uniformly distributed in the row direction or on column direction, and 48 sub-pixels of 16 pixel cells 220 are interconnected with 48 signal output part one_to_one corresponding of described silicon 210 respectively.
In the present embodiment, described panel display apparatus 10 is organic light-emitting display device, each display module 200 of organic light-emitting display device includes silicon 210 and at least one pixel cell 220, and described pixel cell 220 includes OLED (not shown) and for driving the image element circuit (not shown) of described Organic Light Emitting Diode OLED.
Please refer to Fig. 3, it is the partial circuit figure of the display module of the embodiment of the present invention.As shown in Figure 3, described silicon 210 has multiple signal output part (D1 to DN), described multiple signal output part (D1 to DN) is for connecting multiple image element circuit 224, described image element circuit 224 comprises the first transistor T1, transistor seconds T2, third transistor T3 and the first capacitor C1, the source electrode of described the first transistor T1 is connected with described control line 300, for receiving the 3rd power supply signal VIN, the drain electrode of described the first transistor T1, the grid of transistor seconds T2 and the first substrate of described first capacitor C1 are all connected to first node N1, the source electrode of described transistor seconds T2 is all connected with described control line 300 with the second substrate of described first capacitor C1, for receiving the first power supply signal VDD, the source electrode of described third transistor T3 is connected with the drain electrode of transistor seconds T2, the drain electrode of described third transistor T3 is connected to the anode of described Organic Light Emitting Diode OLED via signal output part.
Incorporated by reference to reference to figure 1 and Fig. 3, described silicon 210 also comprises a signal control end (not shown), the grid of all third transistor T3 of described silicon 210 correspondence is all connected with described signal control end, the grid of the first transistor T1 of each image element circuit 224 is all connected with a signal output part of described silicon 210, namely the grid of the first transistor T1 of first image element circuit 224 is connected with the first signal output part D1, the grid of the first transistor T1 of the second image element circuit 224 is connected with secondary signal output terminal D2, so analogize, the grid of the first transistor T1 of N number of image element circuit 224 is connected with n-signal output terminal DN.
Incorporated by reference to referring to figs. 2 and 3, often organize control line 300 to be connected with a row display module 200, for providing the first coded signal S0 respectively to described display module 200, second coded signal S1, 3rd coded signal S2, 4th coded signal S3, first control signal R0, second control signal R1, 3rd control signal R2, first power supply signal VDD, second source signal VSS, 3rd power supply signal VIN and clock signal clk, first control signal R0, second control signal R1, 3rd control signal R2, first power supply signal VDD, second source signal VSS, 3rd power supply signal VIN and clock signal clk cooperatively interact and realize the driving of described display module 200.
Wherein, described first coded signal S0, the second coded signal S1, the 3rd coded signal S2 and the 4th coded signal S3 are in order to select silicon 210.If S0=1, S1=0, S2=0, S3=0, then select the silicon 210 of this row the first row display module 200 of the first row; If S0=0, S1=1, S2=0, S3=0, then select the silicon 210 of this row second row display module 200; If S0=1, S1=1, S2=0, S3=0, then select the silicon 210 of this row the third line display module 200; By that analogy, if S0=1, S1=1, S2=1, S3=1, then this is selected to arrange the silicon 210 of the tenth five-element's display module 200.
Please refer to Fig. 4, it is the state transition diagram of the silicon of the embodiment of the present invention.As shown in Figure 4, the state of described silicon 210 comprises closed condition (OFF), selected state (DIS), sample states (DIN) and luminescence display state (DH), by controlling the first coded signal S0, the second coded signal S1, the 3rd coded signal S2, the 4th coded signal S3, the first control signal R0, the second control signal R1, the 3rd control signal R2, the convertible state of described silicon 210.
When described silicon 210 is in closed condition (OFF), do not work.When described silicon 210 is in selected state (DIS), is activated and starts working.When described silicon 210 is in sample states (DIN), data voltage is sampled.When described silicon 210 is in luminescence display state (DH), described silicon 210 is not selected, has electric current to flow through Organic Light Emitting Diode OLED and makes it luminous.
In the present embodiment, described panel display apparatus 10 is unit drive with display module 200, can full screen display, also can local repressentation.When needing local repressentation, only need activate the silicon 210 in partial display area, the silicon 210 in other regions is still in closed condition, therefore, it is possible to reduce the energy consumption of display device.
In the present embodiment, described image element circuit 224 is a kind of 3T1C type circuit structures, comprises 3 transistors and 1 electric capacity.But the circuit structure of described image element circuit 224 is not limited thereto, described image element circuit 224 can also be 6T1C type circuit structure, 6T2C type circuit structure etc. in other embodiments.
Preferably, described the first transistor T1, transistor seconds and T2 third transistor T3 are thin film transistor (TFT).
Accordingly, present invention also offers a kind of driving method of panel display apparatus.Incorporated by reference to referring to figs. 2 and 3, the driving method of described panel display apparatus comprises:
There is provided the first coded signal S0, the second coded signal S1, the 3rd coded signal S2 and the 4th coded signal S3 by control line 300, make silicon 210 change selected state into by closed condition.
There is provided the first control signal R0, the second control signal R1 and the 3rd control signal R2 by control line 300, silicon 210 is changed into by selected state and is in sample states; And
Again provide the first coded signal S0, the second coded signal S1, the 3rd coded signal S2 and the 4th coded signal S3 by control line 300, make silicon 210 change luminescence display state into by sample states.
Concrete, when described silicon 210 is in closed condition (OFF), the third transistor T3 in the display module 200 of described silicon 210 correspondence all ends, and does not have electric current by the Organic Light Emitting Diode OLED in described display module 200.When needing to show, first choose silicon 210 by control line 300, the display module 200 of described silicon 210 correspondence could be driven luminous.Driving method comprises the following steps:
First, the first coded signal S0, the second coded signal S1, the 3rd coded signal S2 and the 4th coded signal S3 is provided to make described silicon 210 change selected state (DIS) into by closed condition (OFF) by control line 300, thus choose the silicon 210 in partial display area, described silicon 210 is started working.
Then, there is provided the first control signal R0, the second control signal R1 and the 3rd control signal R2 that described silicon 210 is changed into by selected state (DIS) by control line 300 and be in sample states (DIN), now multiple signal output part (D1 to DN) output signals of described silicon 210, make the first transistor T1 conducting, 3rd power supply signal VIN transfers to the grid of transistor seconds T2, described silicon 210 realizes the sampling to data voltage thus
Then, the first coded signal S0, the second coded signal S1, the 3rd coded signal S2 and the 4th coded signal S3 is again provided to make described silicon 210 change luminescence display state (DH) into by sample states (DIN) by control line 300, now described silicon 210 is not selected, and the equal conducting of third transistor T3 on described display module 200 output driving current, make Organic Light Emitting Diode OLED light luminescence.
To sum up, in panel display apparatus provided by the invention and driving method thereof, adopt silicon to realize piecemeal drive, during local repressentation, only need activate the silicon in partial display area, the silicon in other regions without the need to work, therefore, it is possible to reduce the energy consumption of described panel display apparatus.
Foregoing description is only the description to present pre-ferred embodiments, any restriction not to the scope of the invention, and any change that the those of ordinary skill in field of the present invention does according to above-mentioned disclosure, modification, all belong to the protection domain of claims.
Claims (10)
1. a panel display apparatus, is characterized in that, comprising: a substrate and the multiple display module be positioned on described substrate and organize control line more;
Described multiple display module is matrix arrangement, and described many group control lines, along line direction or column direction sequential, are often organized control line and are all connected with a row or column display module;
Each display module includes a silicon, the corresponding display module of described silicon drive.
2. panel display apparatus as claimed in claim 1, it is characterized in that, often organize control line and provide the first coded signal, the second coded signal, the 3rd coded signal, the 4th coded signal, the first control signal, the second control signal, the 3rd control signal, the first power supply signal, second source signal, the 3rd power supply signal and clock signal respectively to described display module;
Wherein, described first coded signal, the second coded signal, the 3rd coded signal, the 4th coded signal, the first control signal, the second control signal, the 3rd control signal, the first power supply signal, second source signal, the 3rd power supply signal and clock signal cooperatively interact and realize the driving of described display module.
3. panel display apparatus as claimed in claim 2, it is characterized in that, the state of described silicon comprises closed condition, selected state, sample states and luminescence display state, and the first coded signal, the second coded signal, the 3rd coded signal, the 4th coded signal, the first control signal, the second control signal and the 3rd control signal that the state of described silicon is provided by described control line control.
4. panel display apparatus as claimed in claim 1, it is characterized in that, described display module also comprises at least one pixel cell, and described pixel cell includes OLED and for driving the image element circuit of described Organic Light Emitting Diode.
5. panel display apparatus as claimed in claim 4, it is characterized in that, described image element circuit comprises: the first transistor, transistor seconds, third transistor and the first capacitor;
The first substrate of the drain electrode of described the first transistor, the grid of transistor seconds and the first capacitor is all connected to first node, the source electrode of described third transistor is connected with the drain electrode of transistor seconds, the drain electrode of described third transistor is connected with the anode of described Organic Light Emitting Diode, and the negative electrode of described Organic Light Emitting Diode receives the second source signal that described control line provides;
The source electrode of described transistor seconds is all connected with described control line with the second substrate of the first capacitor, for receiving the first power supply signal that described control line provides;
The source electrode of described the first transistor is connected with described control line, for receiving the 3rd power supply signal that described control line provides.
6. panel display apparatus as claimed in claim 5, it is characterized in that, described silicon comprises a signal control end and multiple signal output part, the grid one_to_one corresponding of the first transistor of the display module that described multiple signal output part is corresponding with described silicon is also interconnected, and the grid of the third transistor of the display module that described silicon is corresponding is all connected with described signal control end.
7. panel display apparatus as claimed in claim 5, it is characterized in that, described the first transistor, transistor seconds and third transistor are thin film transistor (TFT).
8. panel display apparatus as claimed in claim 1, it is characterized in that, described substrate is transparent glass substrate.
9. panel display apparatus as claimed in claim 1, it is characterized in that, each pixel cell includes red sub-pixel, green sub-pixels and blue subpixels, and described red sub-pixel, green sub-pixels and blue subpixels are uniformly distributed in the row direction or on column direction.
10. a driving method for panel display apparatus as claimed in any one of claims 1-9 wherein, is characterized in that, comprising:
There is provided the first coded signal, the second coded signal, the 3rd coded signal and the 4th coded signal by control line, make silicon change selected state into by closed condition.
There is provided the first control signal, the second control signal and the 3rd control signal by control line, described silicon is changed into by selected state and is in sample states; And
Again provide the first coded signal, the second coded signal, the 3rd coded signal and the 4th coded signal by control line, make described silicon change luminescence display state into by sample states.
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Effective date of registration: 20201210 Address after: No.146 Tianying Road, high tech Zone, Chengdu, Sichuan Province Patentee after: Chengdu CHENXIAN photoelectric Co.,Ltd. Address before: No. 188, CHENFENG Road, Kunshan high tech Zone, Kunshan City, Suzhou City, Jiangsu Province Patentee before: Kunshan New Flat Panel Display Technology Center Co.,Ltd. Patentee before: KunShan Go-Visionox Opto-Electronics Co.,Ltd. |