CN107146587A - Source electrode drive circuit and display panel - Google Patents
Source electrode drive circuit and display panel Download PDFInfo
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- CN107146587A CN107146587A CN201710478144.1A CN201710478144A CN107146587A CN 107146587 A CN107146587 A CN 107146587A CN 201710478144 A CN201710478144 A CN 201710478144A CN 107146587 A CN107146587 A CN 107146587A
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- switch element
- driving chip
- voltage signal
- path terminal
- source driving
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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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3674—Details of drivers for scan electrodes
- G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
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- Crystallography & Structural Chemistry (AREA)
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- Computer Hardware Design (AREA)
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- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
A kind of display panel, including source driving chip, a plurality of source electrode line, multiple row pixel cell and multiple switch control unit, the source driving chip is used to drive the multiple row pixel cell, each column pixel cell includes multiple row sub-pixel, the plurality of switch control unit is connected between the source driving chip and the multiple row pixel cell, each switch control unit includes being applied with a voltage signal on multiple switch element, each switch element.The display panel that the present invention is provided, by setting a switch control unit between source driving chip and each column pixel cell, apply different voltage signals on different switch elements in switch control unit to control the data transfer of source driving chip into each row sub-pixel, display panel is set to share same version data code when needing to carry out positive and negative sweep, not only make whole module lightening, while also saving cost.
Description
Technical field
The present invention relates to display technology field, and more particularly to a kind of source electrode drive circuit and display panel.
Background technology
At present, the becoming increasingly popular in the modern life with display panel, consumer to the demand of display function increasingly
Variation.For example in liquid crystal panel in use, the need for due to actual displayed effect, it is desirable to which liquid crystal panel, which has, positive and negative sweeps work(
Can, and for current panel design, each pixel cell being distributed in panel is general by three sub-pixels (R, G, B)
Or four sub-pixel (R, G, B, W) compositions, and multiple sub-pixels of multiple pixel cells are to be sequentially arranged in face in sequence
In plate, it is desirable to realize the positive and negative code (code) swept and be accomplished by switching sequence controller (TCON), display data is sent in turn
Enter in source driving chip (Source driver IC).
But, set the positive and negative code swept to need to store into two EEPROMs (EEPROM),
So that TCON is selected, two EEPROM need to set on a printed circuit board (pcb), space and increase cost on influence PCB.
The content of the invention
It is an object of the invention to provide a kind of source electrode drive circuit, to solve to have in the prior art positive and negative function of sweeping
Liquid crystal panel needs to use two EEPROM, so that the problem of having influence on PCB space and make cost increase.
The present invention, which solves its technical problem, to be realized using following technical scheme.
The present invention provides a kind of display panel, including source driving chip, a plurality of source electrode line and is arranged on viewing area
Multiple row pixel cell, the source driving chip is used to drive the multiple row pixel cell, and each column pixel cell includes the sub- picture of first row
Element, secondary series sub-pixel and the 3rd row sub-pixel, each column pixel cell also include the first source for being connected to the first row sub-pixel
Polar curve, the second source electrode line for being connected to the secondary series sub-pixel and the 3rd source electrode line for being connected to the 3rd row sub-pixel, this shows
Show that panel also includes the multiple switch control unit being connected between the source driving chip and the multiple row pixel cell, Mei Gekai
Close control unit to be connected between the source driving chip and corresponding row pixel cell, each switch control unit includes：
First switching element, including the first control end, the first path terminal and alternate path end, first control end receive the
One voltage signal, first path terminal is connected to the source driving chip, and the alternate path end is connected to first source electrode line；
Second switch element, including the second control end, third path end and fourth passage end, second control end receive the
Two voltage signals, the third path end is connected to the source driving chip, and the fourth passage end is connected to the 3rd source electrode line；
3rd switch element, including the 3rd control end, fifth passage end and the 6th path terminal, the 3rd control end is received should
First voltage signal, the fifth passage end is connected to the source driving chip, and the 6th path terminal is connected to the 3rd source electrode line；
4th switch element, including the 4th control end, the 7th path terminal and the 8th path terminal, the 4th control end is received should
Second voltage signal, the 7th path terminal is connected to the source driving chip, and the 8th path terminal is connected to first source electrode line；
Wherein, second source electrode line is connected directly to the source driving chip, the first voltage signal and the second voltage
Signal function is in the control end of four switch elements, and four switch elements have two states：In the first state, this shows
Show that panel is just swept, the first switching element and the 3rd switch element are both turned on, and the second switch element and the 4th is opened
Element is closed to disconnect；In the second condition, the display panel is counter is swept, and the first switching element and the 3rd switch element are equal
Disconnect, the second switch element and the 4th switch element are both turned on.
Further, four switch elements are N-type transistor, in the first state, and the first voltage signal is
High level, the second voltage signal is low level；In this second state, the first voltage signal is low level, second electricity
Pressure signal is high level.
Further, four switch elements are P-type transistor, in the first state, and the first voltage signal is
Low level, the second voltage signal is high level；In this second state, the first voltage signal is high level, second electricity
Pressure signal is low level.
Further, the first path terminal of the first switching element and the third path end of the second switch element pass through the
One wire is connected to the source driving chip, and second source electrode line is connected directly to the source driving chip by the second wire,
The fifth passage end of 3rd switch element and the 7th path terminal of the 4th switch element are connected to the source by privates
Pole driving chip.
The present invention also provides a kind of display panel, including source driving chip, a plurality of source electrode line and is arranged on viewing area
Multiple row pixel cell, the source driving chip is used to drive the multiple row pixel cell, and each column pixel cell includes first row
Pixel, secondary series sub-pixel, the 3rd row sub-pixel and the 4th row sub-pixel, each column pixel cell also include being connected to the first row
First source electrode line of sub-pixel, the second source electrode line for being connected to the secondary series sub-pixel, be connected to the 3rd row sub-pixel
Three source electrode lines and the 4th source electrode line for being connected to the 4th row sub-pixel, the display panel also include being connected to the source drive core
Multiple switch control unit between piece and the multiple row pixel cell, each switch control unit is connected to the source driving chip
Between corresponding row pixel cell, each switch control unit includes：
First switching element, including the first control end, the first path terminal and alternate path end, first control end receive the
One voltage signal, first path terminal is connected to the source driving chip, and the alternate path end is connected to first source electrode line；
Second switch element, including the second control end, third path end and fourth passage end, second control end receive the
Two voltage signals, the third path end is connected to the source driving chip, and the fourth passage end is connected to the 4th source electrode line；
3rd switch element, including the 3rd control end, fifth passage end and the 6th path terminal, the 3rd control end is received should
First voltage signal, the fifth passage end is connected to source driving chip, and the 6th path terminal is connected to second source electrode line；
4th switch element, including the 4th control end, the 7th path terminal and the 8th path terminal, the 4th control end is received should
Second voltage signal, the 7th path terminal is connected to source driving chip, and the 8th path terminal is connected to the 3rd source electrode line；
5th switch element, including the 5th control end, the 9th path terminal and the tenth path terminal, the 5th control end is received should
First voltage signal, the 9th path terminal is connected to the source driving chip, and the tenth path terminal is connected to the 3rd source electrode line；
6th switch element, including the 6th control end, the 11st path terminal and the 12nd path terminal, the 6th control termination
Receive the second voltage signal, the 11st path terminal is connected to source driving chip, the 12nd path terminal be connected to this second
Source electrode line；
7th switch element, including the 7th control end, the tenth threeway terminal and the 14th path terminal, the 7th control termination
The first voltage signal is received, the tenth threeway terminal is connected to source driving chip, and the 14th path terminal is connected to the 4th
Source electrode line；
8th switch element, including the 8th control end, the 15th path terminal and the 16th path terminal, the 8th control termination
Receive the second voltage signal, the 15th path terminal is connected to source driving chip, the 16th path terminal be connected to this first
Source electrode line；
Wherein, the first voltage signal and the second voltage signal function, should in the control end of eight switch elements
Eight switch elements have two states：In the first state, the display panel is just swept, the first switching element, the 3rd
Switch element, the 5th switch element and the 7th switch element are both turned on, the second switch element, the 4th switch element,
6th switch element and the 8th switch element disconnect；In the second condition, the display panel is counter is swept, and this first is opened
Close element, the 3rd switch element, the 5th switch element and the 7th switch element to disconnect, the second switch element, should
4th switch element, the 6th switch element and the 8th switch element are both turned on.
Further, eight switch elements are N-type transistor, in the first state, and the first voltage signal is
High level, the second voltage signal is low level；In this second state, the first voltage signal is low level, second electricity
Pressure signal is high level.
Further, eight switch elements are P-type transistor, in the first state, and the first voltage signal is
Low level, the second voltage signal is high level；In this second state, the first voltage signal is high level, second electricity
Pressure signal is low level.
Further, the first path terminal of the first switching element and the third path end of the second switch element pass through the
One wire is connected to the source driving chip, and the fifth passage end of the 3rd switch element and the 7th of the 4th switch element the are led to
Terminal is connected to the source driving chip, the 9th path terminal of the 5th switch element and the 6th switch member by the second wire
11st path terminal of part is connected to the source driving chip, the tenth threeway terminal of the 7th switch element by privates
With the 15th path terminal of the 8th switch element the source driving chip is connected to by privates.
The present invention also provides a kind of display device, including display panel as described above.
Source electrode drive circuit and display panel that the present invention is provided, by being set between source driving chip and each source electrode line
Two groups of switch elements, and on each group switch element apply different voltage to control the data transfer of source driving chip to each
In row sub-pixel, display panel is shared same version data code when needing to carry out positive and negative sweep, one can be saved on PCB
EEPPROM, not only increases the space on PCB so that whole module is lightening, while also saving cost.
Brief description of the drawings
Fig. 1 is the structural representation of display panel in first embodiment of the invention.
Fig. 2 is the part-structure schematic diagram of display panel in Fig. 1.
Fig. 3 is the structural representation of display panel in second embodiment of the invention.
Fig. 4 is the part-structure schematic diagram of display panel in Fig. 1.
Embodiment
Further to illustrate the present invention to reach technical approach and effect that predetermined goal of the invention is taken, below in conjunction with
Drawings and Examples, to embodiment, structure, feature and its effect of the present invention, are described in detail as after.
Fig. 1 is the structural representation of display panel in first embodiment of the invention, and Fig. 2 is the part of display panel in Fig. 1
Structural representation, refer to the display panel 100 that is provided in Fig. 1 and Fig. 2, the present embodiment include source driving chip 20, it is a plurality of
Source electrode line S, a plurality of gate lines G and multiple row pixel cell 220, multiple row pixel cell 220 are located in viewing area 200, the source electrode
Driving chip 20 is used to only illustrate two row pixel cells 220 in the multiple row pixel cell 220 for driving viewing area 200, Fig. 1,
A wherein row pixel cell 220 is illustrated in Fig. 2.Each column pixel cell 220 includes first row sub-pixel 221, the sub- picture of secondary series
The row sub-pixel 223 of element 222 and the 3rd, each column pixel cell 220 also includes the first source electrode line for being connected to first row sub-pixel 221
231st, the second source electrode line 232 for being connected to secondary series sub-pixel 222 and the 3rd source electrode line for being connected to the 3rd row sub-pixel 223
233。
In the present embodiment, display panel 100 also includes multiple switch control unit 10, and each switch control unit 10 is connected
Between the source driving chip 20 and corresponding row pixel cell 220, each switch control unit 10, which is used to drive, to be shown
Corresponding row pixel cell 220 on region 200, each switch control unit 10 includes：
First switching element 110, including the first control end, the first path terminal and alternate path end, the first control end are received
First voltage signal 13, the first path terminal is connected to source driving chip 20, and alternate path end is connected to the first source electrode line 231；
Second switch element 120, including the second control end, third path end and fourth passage end, the second control end are received
Second voltage signal 14, third path end is connected to source driving chip 20, and fourth passage end is connected to the 3rd source electrode line 233；
3rd switch element 130, including the 3rd control end, fifth passage end and the 6th path terminal, the 3rd control end are received
First voltage signal 13, fifth passage end is connected to source driving chip 20, and the 6th path terminal is connected to the 3rd source electrode line 233；
4th switch element 140, including the 4th control end, the 7th path terminal and the 8th path terminal, the 4th control end are received
Second voltage signal 14, the 7th path terminal is connected to source driving chip 20, and the 8th path terminal is connected to the first source electrode line 231.
Wherein, the second source electrode line 232 is connected directly to source driving chip 20, first voltage signal 13 and second voltage letter
Numbers 14 when acting on the control end of four switch elements 110,120,130,140, and four switch elements 110,120,130,140 have
Two states：In the first state, display panel 100 is just swept, and the switch element 130 of first switching element 110 and the 3rd is equal
Conducting, the switch element 140 of second switch element 120 and the 4th disconnects；In the second condition, display panel 100 is counter is swept,
The switch element 130 of first switching element 110 and the 3rd is disconnected, and the switch element 140 of second switch element 120 and the 4th is led
It is logical.
In the present embodiment, aforementioned four switch element 110,120,130,140 is N-type transistor.In the first work shape
Under state, i.e., when display panel 100 is just swept along the forward direction of X-axis, first voltage signal 13 is high level, second voltage signal 14
For low level；In a second operative state, i.e., negative sense of the display panel 100 along X-axis is anti-when being swept, and first voltage signal 13 is
Low level, second voltage signal 14 is high level.
In other embodiments, aforementioned four switch element 110,120,130,140 is P-type transistor.In the first work
Make under state, i.e., when display panel 100 is just swept along the forward direction of X-axis, first voltage signal 13 is low level, second voltage letter
Numbers 14 be high level；In a second operative state, i.e., negative sense of the display panel 100 along X-axis is anti-when being swept, first voltage signal
13 be high level, and second voltage signal 14 is low level.
In the present embodiment, the first path terminal of first switching element 110 and the third path end of second switch element 120 are logical
Cross the first wire 211 and be connected to source driving chip 20, the second source electrode line 232 is connected directly to source electrode by the second wire 212
Driving chip 20, the fifth passage end of the 3rd switch element 130 and the 7th path terminal of the 4th switch element 140 are led by the 3rd
Line 213 is connected to source driving chip 20.
Incorporated by reference to Fig. 1 to Fig. 2, when display panel 100 carries out positive and negative sweep, the number in EEPROM (not shown) is stored in
It is believed that number being admitted in source driving chip 20.
In the present embodiment, in the first operative state, display panel 100 is just swept, and first voltage signal 13 is high electricity
Flat, second voltage signal 14 is low level, and now the switch element 130 of first switching element 110 and the 3rd is turned on, second switch member
The switch element 140 of part 120 and the 4th disconnects.Data-signal L1, L2, L3, L4, L5 and L6 sequentially send into source driving chip 20
In, data-signal L1, L2, L3, L4, L5 and L6 in feeding source driving chip 20 along X-axis it is positive by each wire and
The switch element of conducting is corresponded and transmitted into each row sub-pixel, i.e. L1 passes through the first wire 211 and first switching element 110
Transmit to the first row sub-pixel 221 of pixel cell 220, L2 is transmitted to the secondary series of pixel cell 220 by the second wire 212
Sub-pixel 222, L3 is transmitted to the 3rd row sub-pixel of pixel cell 220 by the switch element 130 of privates 213 and the 3rd
223；Similarly, L4, L5 and L6, which are then corresponded to, transmits into each row sub-pixel on the above-mentioned right side of pixel cell 220.
In the present embodiment, in a second operative state, display panel 100 is counter to be swept, and first voltage signal 13 is low electricity
Flat, second voltage signal 14 is high level, and now the switch element 130 of first switching element 110 and the 3rd disconnects, second switch member
The switch element 140 of part 120 and the 4th is turned on.Data-signal L1, L2, L3, L4, L5 and L6 reversely send into source driving chip 20
In, i.e., along the forward direction of X-axis, the data-signal of feeding source driving chip 20 is followed successively by L6, L5, L4, L3, L2 and L1, sends into
Positive the opening by each wire and conducting of data-signal L6, L5, L4, L3, L2 and L1 in source driving chip 20 along X-axis
Element is closed to correspond in each row sub-pixel of transmission：L4 is transmitted to pixel list by the switch element 140 of privates 213 and the 4th
The first row sub-pixel 221 of member 220, L5 is transmitted to the secondary series sub-pixel 222, L6 of pixel cell 220 by the second wire 212
Transmitted by the first wire 211 and second switch element 120 to the 3rd row sub-pixel 223 of pixel cell 220；Similarly, L1, L2
Then correspond to and transmitted into each row sub-pixel on the above-mentioned right side of pixel cell 220 with L3.
Because each switch control unit 10 includes aforementioned four switch 110,120,130,140, with this, in multiple switch
Under the mutual cooperation of control unit 10, positive and negative sweep can be achieved in display panel 100.
Fig. 3 is the structural representation of display panel in second embodiment of the invention, and Fig. 4 is the part of display panel in Fig. 3
Structural representation, refer to the display panel 100 that is provided in Fig. 3 and Fig. 4, the present embodiment include source driving chip 20, it is a plurality of
Source electrode line S, a plurality of gate lines G and multiple row pixel cell 220, multiple row pixel cell 220 are located in viewing area 200, the source electrode
Driving chip 20 is used to only illustrate two row pixel cells 220 in the multiple row pixel cell 220 for driving viewing area 200, Fig. 3,
A wherein row pixel cell 220 is illustrated in Fig. 4.Each column pixel cell 220 includes first row sub-pixel 221, the sub- picture of secondary series
Plain 222, the 3rd row sub-pixel 223 and the 4th row sub-pixel 224, each column pixel cell 220 also include being connected to the sub- picture of first row
Element 221 the first source electrode line 231, be connected to the second source electrode line 232 of secondary series sub-pixel 222, be connected to the 3rd row sub-pixel
223 the 3rd source electrode line 233 and the 4th source electrode line 234 for being connected to the 4th row sub-pixel 224.
In the present embodiment, display panel 100 also includes multiple switch control unit 10, and each switch control unit 10 is connected
Between the source driving chip 20 and corresponding row pixel cell 220, each switch control unit 10, which is used to drive, to be shown
Corresponding row pixel cell 220 on region 200, each switch control unit 10 includes：
First switching element 110, including the first control end, the first path terminal and alternate path end, the first control end are received
First voltage signal 13, the first path terminal is connected to source driving chip 20, and alternate path end is connected to the first source electrode line 231；
Second switch element 120, including the second control end, third path end and fourth passage end, the second control end are received
Second voltage signal 14, third path end is connected to source driving chip 20, and fourth passage end is connected to the 4th source electrode line 234；
3rd switch element 130, including the 3rd control end, fifth passage end and the 6th path terminal, the 3rd control end are received
First voltage signal 13, fifth passage end is connected to source driving chip 20, and the 6th path terminal is connected to the second source electrode line 232；
4th switch element 140, including the 4th control end, the 7th path terminal and the 8th path terminal, the 4th control end are received
Second voltage signal 14, the 7th path terminal is connected to source driving chip 20, and the 8th path terminal is connected to the 3rd source electrode line 233；
5th switch element 150, including the 5th control end, the 9th path terminal and the tenth path terminal, the 5th control termination
Receive the first voltage signal 13, the 9th path terminal is connected to the source driving chip 20, the tenth path terminal be connected to this
Three source electrode lines 233；
6th switch element 160, including the 6th control end, the 11st path terminal and the 12nd path terminal, the 6th control
End receives the path terminal of second voltage signal the 14, the 11st and is connected to source driving chip 20, the connection of the 12nd path terminal
To second source electrode line 232；
7th switch element 170, including the 7th control end, the tenth threeway terminal and the 14th path terminal, the 7th control
End receives the first voltage signal 13, and the tenth threeway terminal is connected to source driving chip 20, the connection of the 14th path terminal
To the 4th source electrode line 234；
8th switch element 180, including the 8th control end, the 15th path terminal and the 16th path terminal, the 8th control
End receives the path terminal of second voltage signal the 14, the 15th and is connected to source driving chip 20, the connection of the 16th path terminal
To first source electrode line 231；
First voltage signal 13 and second voltage signal 14 act on eight switch elements 110,120,130,140,150,
160th, during 170,180 control end, eight switch elements 110,120,130,140,150,160,170,180 have two states：
In the first state, display panel 100 is just swept, first switching element 110, the 3rd switch element 130, the 5th switch element
150 and the 7th switch element 170 be both turned on, second switch element 120, the 4th switch element 140, the and of the 6th switch element 160
8th switch element 180 disconnects；In the second condition, display panel 100 is counter is swept, and first switching element the 110, the 3rd is opened
Close element 130, the 5th switch element 150 and the 7th switch element 170 to disconnect, first switching element 110, the 3rd switch element
130th, the 5th switch element 150 and the 7th switch element 170 are both turned on.
In the present embodiment, above-mentioned eight switch elements 110,120,130,140,150,160,170,180 are N-type crystal
Pipe.In the first operative state, i.e., when display panel 100 is just swept along the forward direction of X-axis, first voltage signal 13 is high electricity
Flat, second voltage signal 14 is low level；In a second operative state, i.e., negative sense of the display panel 100 along X-axis is counter is swept
When, first voltage signal 13 is low level, and second voltage signal 14 is high level.
In other embodiments, above-mentioned eight switch elements 110,120,130,140,150,160,170,180 are p-type
Transistor.In the first operative state, i.e., when display panel 100 is just swept along the forward direction of X-axis, first voltage signal 13 is low
Level, second voltage signal 14 is high level；In a second operative state, i.e., negative sense of the display panel 100 along X-axis is counter is swept
When, first voltage signal 13 is high level, and second voltage signal 14 is low level.
In the present embodiment, the first path terminal of the first switching element 110 and the third path of the second switch element 120
End is connected to the source driving chip 20, the fifth passage end and the 4th of the 3rd switch element 130 by the first wire 211
7th path terminal of switch element 140 is connected to the source driving chip 20, the 5th switch element by the second wire 212
150 the 9th path terminal and the 11st path terminal of the 6th switch element 160 are connected to the source electrode by privates 213 and driven
Dynamic chip 20, the tenth threeway terminal of the 7th switch element 170 and the 15th path terminal of the 8th switch element 180 pass through
Privates 214 are connected to the source driving chip 20.
Incorporated by reference to Fig. 3 to Fig. 4, when display panel 100 carries out positive and negative sweep, the number in EEPROM (not shown) is stored in
It is believed that number being admitted in source driving chip 20.
In the present embodiment, in the first operative state, display panel 100 is just swept, and first voltage signal 13 is high electricity
Flat, second voltage signal 14 is low level, now first switching element 110, the 3rd switch element 130, the 5th switch element 150
Turned on the 7th switch element 170, second switch element 120, the 4th switch element 140, the 6th switch element 160 and the 8th are opened
Element 180 is closed to disconnect.Data-signal L1, L2, L3, L4, L5, L6, L7, L8 are sequentially sent into source driving chip 20, send into source
Data-signal L1, L2, L3, L4, L5, L6, L7, L8 in pole driving chip 20 pass through each wire and conducting along the forward direction of X-axis
Switch element correspond transmit into each row sub-pixel：L1 by the first wire 211 and first switching element 110 transmit to
The first row sub-pixel 221 of pixel cell 220, L2 is transmitted to pixel cell by the second wire 212 and the 3rd switch element 130
220 secondary series sub-pixel 222, L3 is transmitted to the of pixel cell 220 by privates 213 and the 5th switch element 150
Three row sub-pixels 223, L4 is transmitted to the 4th sub- picture of row of pixel cell 220 by the switch element 170 of privates 214 and the 7th
Element 224；Similarly, L5, L6, L7, L8, which are then corresponded to, transmits into each row sub-pixel on the above-mentioned right side of pixel cell 220.
In the present embodiment, in a second operative state, display panel 100 is counter to be swept, and first voltage signal 13 is low electricity
Flat, the signal of second voltage 14 is high level, now first switching element 110, the 3rd switch element 130, the 5th switch element 150
Disconnected with the 7th switch element 170, second switch element 120, the 4th switch element 140, the 6th switch element 160 and the 8th are opened
Element 180 is closed to turn on.Data-signal L1, L2, L3, L4, L5, L6, L7, L8 are reversely sent into source driving chip 20, i.e., along X
The forward direction of axle, the data-signal of feeding source driving chip 20 is followed successively by L8, L7, L6, L5, L4, L3, L2 and L1, sends into source electrode
Data-signal L8, L7, L6, L5, L4, L3, L2 and L1 in driving chip 20 are along the positive by each wire and conducting of X-axis
Switch element is corresponded in each row sub-pixel of transmission：L5 is transmitted to pixel by the switch element 180 of privates 214 and the 8th
The first row sub-pixel 221 of unit 220, L6 is transmitted to pixel cell 220 by the switch element 160 of privates 213 and the 6th
Secondary series sub-pixel 222, L7 transmitted to the 3rd row of pixel cell 220 by the second wire 212 and second switch element 120
Sub-pixel 223, L8 is transmitted to the 4th row sub-pixel of pixel cell 220 by the first wire 211 and second switch element 120
224；Similarly, L1, L2, L3, L4, which are then corresponded to, transmits into each row sub-pixel on the above-mentioned right side of pixel cell 220.
Due to each switch control unit 10 include above-mentioned eight switch elements 110,120,130,140,150,160,
170th, 180, with this, under the mutual cooperation of multiple switch control unit 10, positive and negative sweep can be achieved in display panel 100.
The display panel 100 that above-described embodiment is provided, by between source driving chip 20 and each column pixel cell 220
Set and apply different voltage signals to control on the different switch elements in a switch control unit 10, switch control unit 10
The data transfer of source driving chip 20 processed makes display panel 100 be shared when needing to carry out positive and negative sweep into each row sub-pixel
Same version data code, can save an EEPPROM on PCB, not only increase the space on PCB so that whole module
It is lightening, while also saving cost.
Herein, term " comprising ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, are removed
Listed those key elements are included, but also other key elements being not expressly set out can be included.
Herein, the involved noun of locality such as forward and backward, upper and lower is to be located at parts in accompanying drawing in figure and zero
The position of part each other is intended merely to the clear of expression technology scheme and conveniently come what is defined.It should be appreciated that the noun of locality
Using the claimed scope of the application should not be limited.
In the case where not conflicting, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (9)
1. a kind of display panel (100), including source driving chip (20), a plurality of source electrode line and it is arranged on viewing area (200)
Interior multiple row pixel cell (220), the source driving chip (20) is used to drive the multiple row pixel cell (220), each column pixel
Unit (220) includes first row sub-pixel (221), secondary series sub-pixel (222) and the 3rd row sub-pixel (223), each column pixel
Unit (220) also includes being connected to the first source electrode line (231) of the first row sub-pixel (221), is connected to the sub- picture of the secondary series
Second source electrode line (232) of plain (222) and the 3rd source electrode line (233) for being connected to the 3rd row sub-pixel (223), its feature exist
In the display panel (100) is also more between the source driving chip (20) and the multiple row pixel cell (220) including being connected to
Individual switch control unit (10), each switch control unit (10) is connected to the source driving chip (20) and corresponding row picture
Between plain unit (220), each switch control unit (10) includes：
First switching element (110), including the first control end, the first path terminal and alternate path end, first control end are received
First voltage signal (13), first path terminal is connected to the source driving chip (20), the alternate path end be connected to this
Source line (231)；
Second switch element (120), including the second control end, third path end and fourth passage end, second control end are received
Second voltage signal (14), the third path end is connected to the source driving chip (20), the fourth passage end be connected to this
Three source electrode lines (233)；
3rd switch element (130), including the 3rd control end, fifth passage end and the 6th path terminal, the 3rd control end are received
The first voltage signal (13), the fifth passage end is connected to the source driving chip (20), and the 6th path terminal is connected to this
3rd source electrode line (233)；
4th switch element (140), including the 4th control end, the 7th path terminal and the 8th path terminal, the 4th control end are received
The second voltage signal (14), the 7th path terminal is connected to the source driving chip (20), and the 8th path terminal is connected to this
First source electrode line (231)；
Wherein, second source electrode line (232) is connected directly to the source driving chip (20), the first voltage signal (13) and should
When second voltage signal (14) acts on the control end of four switch elements (110,120,130,140), this four switch members
Part (110,120,130,140) has two states：In the first state, the display panel (100) is just swept, the first switch
Element (110) and the 3rd switch element (130) are both turned on, the second switch element (120) and the 4th switch element (140)
Disconnect；In the second condition, this display panel (100) is counter is swept, the first switching element (110) and the 3rd switch member
Part (130) is disconnected, and the second switch element (120) and the 4th switch element (140) are both turned on.
2. display panel (100) as claimed in claim 1, it is characterised in that four switch elements (110,120,130,
140) it is N-type transistor, in the first state, the first voltage signal (13) is high level, the second voltage signal
(14) it is low level；In this second state, the first voltage signal (13) is low level, and the second voltage signal (14) is height
Level.
3. display panel (100) as claimed in claim 1, it is characterised in that four switch elements (110,120,130,
140) it is P-type transistor, in the first state, the first voltage signal (13) is low level, the second voltage signal
(14) it is high level；In this second state, the first voltage signal (13) is high level, and the second voltage signal (14) is low
Level.
4. display panel (100) as claimed in claim 1, it is characterised in that the first path of the first switching element (110)
End and the third path end of the second switch element (120) are connected to the source driving chip (20) by the first wire (211),
Second source electrode line (232) is connected directly to the source driving chip (20), the 3rd switch element by the second wire (212)
(130) fifth passage end and the 7th path terminal of the 4th switch element (140) is connected to the source by privates (213)
Pole driving chip (20).
5. a kind of display panel (100), including source driving chip (20), a plurality of source electrode line and it is arranged on viewing area (200)
Multiple row pixel cell (220), the source driving chip (20) be used for drive the multiple row pixel cell (220), each column pixel list
First (220) include first row sub-pixel (221), secondary series sub-pixel (222), the 3rd row sub-pixel (223) and the 4th sub- picture of row
Plain (224), each column pixel cell (220) also includes being connected to the first source electrode line (231) of the first row sub-pixel (221), connected
It is connected to the second source electrode line (232) of the secondary series sub-pixel (222), is connected to the 3rd source electrode of the 3rd row sub-pixel (223)
Line (233) and the 4th source electrode line (234) for being connected to the 4th row sub-pixel (224), it is characterised in that the display panel
(100) the multiple switch control for also including being connected between the source driving chip (20) and the multiple row pixel cell (220) is single
First (10), each switch control unit (10) is connected to the source driving chip (20) and corresponding row pixel cell (220)
Between, each switch control unit (10) includes：
First switching element (110), including the first control end, the first path terminal and alternate path end, first control end are received
First voltage signal (13), first path terminal is connected to the source driving chip (20), the alternate path end be connected to this
Source line (231)；
Second switch element (120), including the second control end, third path end and fourth passage end, second control end are received
Second voltage signal (14), the third path end is connected to the source driving chip (20), the fourth passage end be connected to this
Four source electrode lines (234)；
3rd switch element (130), including the 3rd control end, fifth passage end and the 6th path terminal, the 3rd control end are received
The first voltage signal (13), the fifth passage end is connected to source driving chip (20), the 6th path terminal be connected to this
Two source electrode lines (232)；
4th switch element (140), including the 4th control end, the 7th path terminal and the 8th path terminal, the 4th control end are received
The second voltage signal (14), the 7th path terminal is connected to source driving chip (20), the 8th path terminal be connected to this
Three source electrode lines (233)；
5th switch element (150), including the 5th control end, the 9th path terminal and the tenth path terminal, the 5th control end are received
The first voltage signal (13), the 9th path terminal is connected to the source driving chip (20), and the tenth path terminal is connected to this
3rd source electrode line (233)；
6th switch element (160), including the 6th control end, the 11st path terminal and the 12nd path terminal, the 6th control end
The second voltage signal (14) is received, the 11st path terminal is connected to source driving chip (20), and the 12nd path terminal connects
It is connected to second source electrode line (232)；
7th switch element (170), including the 7th control end, the tenth threeway terminal and the 14th path terminal, the 7th control end
The first voltage signal (13) is received, the tenth threeway terminal is connected to source driving chip (20), and the 14th path terminal connects
It is connected to the 4th source electrode line (234)；
8th switch element (180), including the 8th control end, the 15th path terminal and the 16th path terminal, the 8th control end
The second voltage signal (14) is received, the 15th path terminal is connected to source driving chip (20), and the 16th path terminal connects
It is connected to first source electrode line (231)；
Wherein, the first voltage signal (13) and the second voltage signal (14) act on eight switch elements (110,120,
130th, 140,150,160,170, during control end 180), eight switch elements (110,120,130,140,150,160,
170th, 180) there are two states：In the first state, the display panel (100) is just swept, the first switching element (110),
3rd switch element (130), the 5th switch element (150) and the 7th switch element (170) are both turned on, the second switch
Element (120), the 4th switch element (140), the 6th switch element (160) and the 8th switch element (180) disconnect；
In the second condition, this display panel (100) is counter is swept, the first switching element (110), the 3rd switch element (130),
5th switch element (150) and the 7th switch element (170) disconnect, the second switch element (120), the 4th switch
Element (140), the 6th switch element (160) and the 8th switch element (180) are both turned on.
6. display panel (100) as claimed in claim 5, it is characterised in that eight switch elements (110,120,130,
140th, 150 it is, 160,170,180) N-type transistor, in the first state, the first voltage signal (13) is high level,
The second voltage signal (14) is low level；In this second state, the first voltage signal (13) is low level, second electricity
It is high level to press signal (14).
7. display panel (100) as claimed in claim 5, it is characterised in that eight switch elements (110,120,130,
140th, 150 it is, 160,170,180) P-type transistor, in the first state, the first voltage signal (13) is low level,
The second voltage signal (14) is high level；In this second state, the first voltage signal (13) is high level, second electricity
It is low level to press signal (14).
8. display panel (100) as claimed in claim 5, it is characterised in that the first path of the first switching element (110)
End and the third path end of the second switch element (120) are connected to the source driving chip (20) by the first wire (211),
The fifth passage end of 3rd switch element (130) and the 7th path terminal of the 4th switch element (140) pass through the second wire
(212) source driving chip (20), the 9th path terminal and the 6th switch element of the 5th switch element (150) are connected to
(160) the 11st path terminal is connected to the source driving chip (20), the 7th switch element by privates (213)
(170) the tenth threeway terminal and the 15th path terminal of the 8th switch element (180) is connected to by privates (214)
The source driving chip (20).
9. a kind of display device, it is characterised in that including the display panel (100) as described in claim any one of 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710478144.1A CN107146587A (en) | 2017-06-21 | 2017-06-21 | Source electrode drive circuit and display panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710478144.1A CN107146587A (en) | 2017-06-21 | 2017-06-21 | Source electrode drive circuit and display panel |
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| CN107146587A true CN107146587A (en) | 2017-09-08 |
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ID=59782316
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710478144.1A Pending CN107146587A (en) | 2017-06-21 | 2017-06-21 | Source electrode drive circuit and display panel |
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Address after: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Applicant after: Kunshan Longteng Au Optronics Co Address before: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Applicant before: Kunshan Longteng Optronics Co., Ltd. |
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Application publication date: 20170908 |