CN110853595A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN110853595A CN110853595A CN201911228443.5A CN201911228443A CN110853595A CN 110853595 A CN110853595 A CN 110853595A CN 201911228443 A CN201911228443 A CN 201911228443A CN 110853595 A CN110853595 A CN 110853595A
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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
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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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]
- G09G3/3225—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] using an active matrix
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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
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0286—Details of a shift registers arranged for use in a driving circuit
Abstract
The embodiment of the invention discloses a display panel and a display device, comprising: the light-emitting color of the sub-pixels in the same column is the same; two sides of one column of sub-pixels are respectively provided with a data line, a data line is arranged between two adjacent columns of sub-pixels, two adjacent sub-pixels in the same column of sub-pixels are connected with the data lines at different sides, and two adjacent sub-pixels in the same row of sub-pixels are connected with different data lines; in the first display stage, scanning signals are sequentially output by odd-numbered rows of scanning lines to drive odd-numbered rows of sub-pixels, and data lines electrically connected with the odd-numbered rows of sub-pixels configured to emit first color light output first data voltage signals; in the second display stage, the even-numbered rows of scanning lines sequentially output scanning signals to drive the even-numbered rows of sub-pixels, and the data lines electrically connected with the even-numbered rows of sub-pixels configured to emit the first color light output the first data voltage signals. The embodiment of the invention realizes the display and detection of the pure color picture.
Description
Technical Field
The present invention relates to display technologies, and in particular, to a display panel and a display device.
Background
The existing part of display panels adopts a zigzag connection mode to improve the display effect. The Zigzag connection mode is that the data line is positioned between two adjacent columns of sub-pixels, the data line is connected with the sub-pixels of the odd-numbered rows positioned in the column on the left side of the data line, the data line is connected with the sub-pixels of the even-numbered rows positioned in the column on the right side of the data line, and the colors of two adjacent sub-pixels connected with the data line are different.
When the display panel performs display detection, signals of all the data lines are provided by 2-6 signal sources. For the display panel adopting the zigzag connection mode, the potentials of the data lines need to be switched back and forth under the pure-color picture, and 2-6 signal sources cannot drive the potentials of a large number of data lines in the plane to be switched back and forth, so that the display panel adopting the zigzag connection mode cannot lighten the pure-color picture when in display detection at present, and the yield is low, and the module materials are wasted.
Disclosure of Invention
The embodiment of the invention provides a display panel and a display device, which are used for realizing the display and detection of a pure-color picture of a zigzag panel.
An embodiment of the present invention provides a display panel, including: the array pixel structure comprises a plurality of scanning lines extending along a row direction, a plurality of data lines extending along a column direction and a plurality of sub-pixels arranged in an array, wherein the light-emitting colors of the sub-pixels in the same column are the same, and the light-emitting colors of two adjacent sub-pixels in the same row are different;
the scanning line is correspondingly arranged on one row of the sub-pixels, one data line is respectively arranged on two sides of one column of the sub-pixels, one data line is arranged between two adjacent columns of the sub-pixels, two adjacent sub-pixels in the same column of the sub-pixels are connected with the data lines on different sides, and two adjacent sub-pixels in the same row of the sub-pixels are connected with different data lines;
in the first display stage, the scanning lines in odd rows sequentially output scanning signals to drive the sub-pixels in the odd rows, and the data lines electrically connected with the sub-pixels in the odd rows configured to emit the first color light output first data voltage signals;
in the second display stage, the even-numbered rows of the scanning lines sequentially output scanning signals to drive the even-numbered rows of the sub-pixels, and the data lines electrically connected with the even-numbered rows of the sub-pixels configured to emit the first color light output the first data voltage signals.
The embodiment of the invention also provides a display device which comprises the display panel.
In the embodiment of the invention, the light-emitting colors of the sub-pixels in the same row are the same, and the light-emitting colors of two adjacent sub-pixels in the same row are different; a data line is arranged between two adjacent columns of sub-pixels, two adjacent sub-pixels in the same column of sub-pixels are connected with the data lines at different sides, and two adjacent sub-pixels in the same row of sub-pixels are connected with different data lines; in the first display stage, scanning signals are sequentially output by odd-numbered scanning lines to drive odd-numbered sub-pixels, and first data voltage signals are output by data lines electrically connected with the sub-pixels of the odd-numbered rows and configured to emit the first color light, so that light-emitting display of the odd-numbered first color sub-pixels is realized, and the data lines driving the odd-numbered first color sub-pixels always keep outputting the first data voltage signals without switching; in the second display stage, the even-numbered rows of scanning lines sequentially output scanning signals to drive the even-numbered rows of sub-pixels, the data lines electrically connected with the even-numbered rows of sub-pixels configured to emit the first color light output the first data voltage signals, so that the light-emitting display of the even-numbered rows of first color sub-pixels is realized, and the data lines driving the even-numbered rows of first color sub-pixels always keep outputting the first data voltage signals without switching. Compared with the prior art, the potential of one data line does not need to be switched back and forth line by line during detection, so that the display, the acquisition and the defect detection of a pure color picture are realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description will be given below of the drawings required for the embodiments or the technical solutions in the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a display panel according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a display panel according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a display panel according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a display panel according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a display panel according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a display panel according to an embodiment of the present invention;
FIG. 7 is a diagram of a display panel according to an embodiment of the present invention;
FIG. 8 is a diagram of a shift register according to an embodiment of the present invention;
FIG. 9 is a diagram of a shift register according to an embodiment of the present invention;
fig. 10 is a schematic diagram of a display panel according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described through embodiments with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic view of a display panel according to an embodiment of the present invention. The display panel provided by the embodiment comprises: a plurality of scanning lines 11 extending along a row direction, a plurality of data lines 12 extending along a column direction, and a plurality of sub-pixels 13 arranged in an array, wherein the light-emitting colors of the sub-pixels 13 in the same column are the same, and the light-emitting colors of two adjacent sub-pixels 13 in the same row are different; a scanning line 11 is correspondingly arranged on a row of sub-pixels 13, a data line 12 is respectively arranged on two sides of a column of sub-pixels 13, a data line 12 is arranged between two adjacent columns of sub-pixels 13, two adjacent sub-pixels 13 in the same column of sub-pixels 13 are connected with the data lines 12 on different sides, and two adjacent sub-pixels 13 in the same row of sub-pixels 13 are connected with different data lines 12; in the first display stage, the odd-numbered rows of scanning lines 11 sequentially output scanning signals to drive the odd-numbered rows of sub-pixels 13, and the data lines 12 electrically connected with the odd-numbered rows of sub-pixels 13 configured to emit the first color light output the first data voltage signals; in the second display stage, the even-numbered rows of the scan lines 11 sequentially output scan signals to drive the even-numbered rows of the sub-pixels 13, and the data lines 12 electrically connected to the even-numbered rows of the sub-pixels 13 configured to emit the first color light output the first data voltage signals.
In this embodiment, in the plurality of sub-pixels 13 arranged in an array, the light emitting colors of the sub-pixels 13 in the same column are the same, the light emitting colors of two adjacent sub-pixels 13 in the same row of sub-pixels 13 are different, and the light emitting colors of the sub-pixels 13 in one row can be selected and arranged according to red R, green G, and blue B, R, G, B. It is understood that the emission colors of the sub-pixels in a row may be arranged according to G, B, R, G, B, R in other embodiments, but not limited thereto.
In this embodiment, a scanning line 11 is correspondingly disposed on a row of sub-pixels 13, the scanning line 11 is used for transmitting a scanning signal to the row of sub-pixels 13, an active signal in the scanning signal controls the pixel circuits of the row of sub-pixels 13 to be turned on at the same time, and an inactive signal in the scanning signal controls the pixel circuits of the row of sub-pixels 13 to be turned off at the same time. Two sides of one column of sub-pixels 13 are respectively provided with a data line 12, a data line 12 is arranged between two adjacent columns of sub-pixels 13, two adjacent sub-pixels 13 in the same column of sub-pixels 13 are connected with the data lines 12 at different sides, and two adjacent sub-pixels 13 in the same row of sub-pixels 13 are connected with different data lines 12.
Optionally, the sub-pixels 13 comprise opposite first and second sides in the row direction; for a column of sub-pixels 13, the sub-pixels 13 in the odd-numbered rows are connected to the data lines 12 on the first side, and the sub-pixels 13 in the even-numbered rows are connected to the data lines 12 on the second side. Wherein the first side is the left side and the second side is the right side. It can be seen that the odd sub-pixels 13 in each column of sub-pixels 13 are connected to the adjacent data lines 12 on the left side, the even sub-pixels 13 in the column of sub-pixels 13 are connected to the adjacent data lines 12 on the right side, that is, one data line 12 is electrically connected to the odd sub-pixels 13 in the column on the right side, and the data line 12 is electrically connected to the even sub-pixels 13 in the column on the left side.
In other embodiments, the odd-numbered sub-pixels in a column of sub-pixels are connected to the adjacent data line on the right side, the even-numbered sub-pixels in the column of sub-pixels are connected to the adjacent data line on the left side, and one data line is electrically connected to the even-numbered sub-pixels in the column on the right side, and the data line is electrically connected to the odd-numbered sub-pixels in the column on the left side.
The first color light can be selected to be red light, green light or blue light; the sub-pixel 13 includes a first sub-pixel R configured to emit red light, a second sub-pixel G configured to emit green light, and a third sub-pixel B configured to emit blue light.
In the first display stage, the odd-numbered scan lines 11 sequentially output scan signals to drive the odd-numbered sub-pixels 13, and the data lines 12 electrically connected to the odd-numbered sub-pixels 13 configured to emit the first color light output the first data voltage signals. In the first display phase, the odd row sub-pixels 13 are driven to emit light, and the even row sub-pixels 13 do not emit light. The first color light may be selected to be red.
Referring to fig. 2, the scan line 11 in the first row outputs scan signals, the active signals in the scan signals control the pixel circuits of the sub-pixels 13 in the first row to be turned on simultaneously, at this time, the data line 13 driving the red sub-pixels R in the odd-numbered row outputs the first data voltage signal, the sub-pixels R in the first row emit light simultaneously and have the same luminance, and the green sub-pixels G and the blue sub-pixels B in the first row do not emit light. The scan line 11 in the second row does not output a scan signal, which substantially controls the pixel circuits of the sub-pixels 13 in the second row to be turned off simultaneously, so that the data line 13 driving the red sub-pixels R in the odd-numbered row and the blue sub-pixels R in the even-numbered row simultaneously does not charge the sub-pixels B in the second row.
Sequentially, the scan line 11 in the third row outputs scan signals, the active signals in the scan signals control the pixel circuits of the sub-pixels 13 in the third row to be turned on simultaneously, at this time, the data line 13 driving the red sub-pixels R in the odd-numbered rows outputs the first data voltage signal, the sub-pixels R in the third row emit light simultaneously and have the same luminance, and the green sub-pixels G and the blue sub-pixels B in the third row do not emit light. The scanning line 11 in the fourth row does not output any scanning signal, and substantially controls the pixel circuits of the sub-pixels 13 in the fourth row to be turned off at the same time, so that the data line 13 driving the red sub-pixels R in the odd rows and the blue sub-pixels R in the even rows at the same time does not charge the sub-pixels B in the fourth row.
By analogy, in the first display stage, the light emitting display of the red sub-pixels R in the odd rows is realized, and a frame of red pictures emitted by the red sub-pixels R in the odd rows can be collected.
Obviously, in the first display stage, the data line driving the red sub-pixel R in the odd-numbered row always outputs the first data voltage signal without switching, and the data lines driving the green sub-pixel G and the blue sub-pixel B in the odd-numbered row always remain floating without switching.
In the second display stage, the even-numbered rows of the scan lines 11 sequentially output scan signals to drive the even-numbered rows of the sub-pixels 13, and the data lines 12 electrically connected to the even-numbered rows of the sub-pixels 13 configured to emit the first color light output the first data voltage signals. In the second display phase, the even row sub-pixels 13 are driven to emit light, and the odd row sub-pixels 13 do not emit light. The first color light may be selected to be red.
Referring to fig. 3, the first row scanning line 11 controls the pixel circuits of the first row sub-pixels 13 to be turned off at the same time, and none of the first row sub-pixels 13 emit light.
The second row of scan lines 11 outputs scan signals, and the effective signals in the scan signals control the pixel circuits of the second row of sub-pixels 13 to be turned on at the same time, at this time, the data lines 13 driving the even-numbered rows of red sub-pixels R output the first data voltage signals, so that the sub-pixels R in the second row emit light at the same time and have the same light-emitting brightness, and the green sub-pixels G and the blue sub-pixels B in the second row do not emit light.
The third row scanning line 11 controls the pixel circuits of the third row sub-pixels 13 to be turned off at the same time, and the third row sub-pixels 13 do not emit light.
The scanning signal is outputted from the scanning line 11 in the fourth row, the effective signal in the scanning signal controls the pixel circuits of the sub-pixels 13 in the fourth row to be turned on at the same time, at this time, the data line 13 driving the red sub-pixel R in the even row outputs the first data voltage signal, the sub-pixel R in the fourth row emits light at the same time and the light-emitting brightness is the same, and the green sub-pixel G and the blue sub-pixel B in the fourth row do not emit light.
By analogy, in the second display stage, the luminous display of the red sub-pixels R in the even rows is realized, and a frame of red pictures of the red sub-pixels R in the even rows can be collected.
Obviously, in the second display phase, the data lines driving the red sub-pixels R in the even-numbered rows always output the first data voltage signals without switching, and the data lines driving the green sub-pixels G in the even-numbered rows and the blue sub-pixels B always remain floating without switching.
The first color in the adjacent first display stage and the second display stage is the same. Taking the first color as red as an example, based on the continuous first display stage and the continuous second display stage, a red picture of a frame of red sub-pixels R emitting light in odd-numbered rows and a red picture of a frame of red sub-pixels R emitting light in even-numbered rows can be obtained, and display detection of all sub-pixels R in the display panel can be realized.
As mentioned above, the first color may also be selected to be green. In another adjacent first display phase and second display phase as shown in fig. 4, the selectable first colors are both green. Then, according to the continuous first display stage and the continuous second display stage, a frame of green pictures with light emitted by the green sub-pixels G in the odd-numbered rows and a frame of green pictures with light emitted by the green sub-pixels G in the even-numbered rows can be obtained, and the display detection of all the sub-pixels G in the display panel can be realized.
As mentioned above, the first color may also be selected to be blue. As shown in fig. 5, the selectable first colors are both blue in another adjacent first display phase and second display phase. Then, according to the continuous first display stage and the continuous second display stage, a frame of blue pictures emitted by the blue sub-pixels B in the odd-numbered rows and a frame of blue pictures emitted by the blue sub-pixels B in the even-numbered rows can be obtained, and the display detection of all the sub-pixels B in the display panel can be realized.
Optionally, the data lines corresponding to the red sub-pixels in the odd-numbered rows may be connected to the same detection signal source to receive the same first data voltage signal, and may also charge the green sub-pixels in the even-numbered rows. The data lines corresponding to the green sub-pixels in the odd rows can be connected with the same detection signal source to receive the same data voltage signal, and meanwhile, the blue sub-pixels in the even rows can be charged. The data lines corresponding to the blue sub-pixels in the odd-numbered rows can be connected with the same detection signal source to receive the same data voltage signal, and meanwhile, the red sub-pixels in the even-numbered rows can be charged. Obviously, in the present embodiment, the display panel only needs a small number of signal source lines or even one signal source line, and can provide data voltage signals to all the sub-pixels of the display panel, and the data lines corresponding to the sub-pixels for light emitting display in one display stage do not need to be switched.
In the embodiment of the invention, the light-emitting colors of the sub-pixels in the same row are the same, and the light-emitting colors of two adjacent sub-pixels in the same row are different; a data line is arranged between two adjacent columns of sub-pixels, two adjacent sub-pixels in the same column of sub-pixels are connected with the data lines at different sides, and two adjacent sub-pixels in the same row of sub-pixels are connected with different data lines; in the first display stage, scanning signals are sequentially output by odd-numbered scanning lines to drive odd-numbered sub-pixels, and first data voltage signals are output by data lines electrically connected with the sub-pixels of the odd-numbered rows and configured to emit the first color light, so that light-emitting display of the odd-numbered first color sub-pixels is realized, and the data lines driving the odd-numbered first color sub-pixels always keep outputting the first data voltage signals without switching; in the second display stage, the even-numbered rows of scanning lines sequentially output scanning signals to drive the even-numbered rows of sub-pixels, the data lines electrically connected with the even-numbered rows of sub-pixels configured to emit the first color light output the first data voltage signals, so that the light-emitting display of the even-numbered rows of first color sub-pixels is realized, and the data lines driving the even-numbered rows of first color sub-pixels always keep outputting the first data voltage signals without switching. Compared with the prior art, the potential of one data line does not need to be switched back and forth line by line during detection, so that the display, the acquisition and the defect detection of a pure color picture are realized.
Illustratively, on the basis of the above technical solution, the display panel shown in fig. 6 may further include: a first shift register 21 of a multistage cascade and a second shift register 22 of a multistage cascade; the first shift register 21 of one stage is electrically connected with one odd-numbered scanning line 11, and the first shift register 21 transmits scanning signals to the odd-numbered scanning line 11; the first-stage second shift register 22 is electrically connected to one even-numbered row of scanning lines 11, and the second shift register 22 transmits scanning signals to the even-numbered row of scanning lines 11; in the first display stage, the first shift register 21 in the multi-stage cascade sequentially transmits scanning signals to the odd-numbered scanning lines 11; in the second display stage, the second shift register 22 in cascade connection of multiple stages sequentially transmits the scan signals to the even-numbered scan lines 11.
In this embodiment, the cascaded first shift registers 21 in multiple stages are sequentially triggered, that is, the first stage first shift register 21 is triggered to drive the first row scan line 11, sequentially, the first stage first shift register 21 triggers the second stage first shift register 21 to drive the third row scan line 11, and sequentially, the second stage first shift register 21 triggers the third stage first shift register 21 to drive the fifth row scan line 11. The second shift registers 22 in the multi-stage cascade are sequentially triggered to operate, that is, the first-stage second shift register 22 is triggered to drive the second row of scan lines 11, sequentially, the first-stage second shift register 22 triggers the second-stage second shift register 22 to drive the fourth row of scan lines 11, and sequentially, the second-stage second shift register 22 triggers the third-stage second shift register 22 to drive the sixth row of scan lines 11. And so on until the last row of scan lines 11 is driven.
In this embodiment, in the first display stage, the multi-stage cascaded first shift register 21 is triggered to operate, and then the multi-stage cascaded first shift register 21 sequentially transmits the scan signals to the odd-numbered scan lines 11, so that the light emitting driving of the odd-numbered sub-pixels is realized. In combination with the first display stage, only the data line 12 corresponding to the first color sub-pixel outputs the first data voltage signal, and the first display stage realizes the light emitting display of the odd-numbered first color sub-pixels.
In this embodiment, in the second display stage, the multi-stage cascaded second shift register 22 is triggered to operate, and then the multi-stage cascaded second shift register 22 sequentially transmits the scanning signals to the even-numbered rows of the scanning lines 11, so that the light-emitting driving of the even-numbered rows of the sub-pixels is realized. In combination with the second display stage, only the data line 12 corresponding to the first color sub-pixel outputs the first data voltage signal, and then the second display stage realizes the light emitting display of the first color sub-pixels in the even number rows, so that the first color picture can be collected and the defect detection of the first color sub-pixels can be performed.
Obviously, the display panel realizes the display of the pure color sub-pixels and the acquisition and defect detection of the pure color picture through the driving of the shift register, and the potential of the data line under the pure color picture does not need to be switched back and forth. And only a small number of signal source lines in the display panel are needed to provide data voltage signals for all the sub-pixels of the display panel, and the data lines corresponding to the sub-pixels which are displayed by emitting light in one display stage do not need to be switched. Therefore, defective products caused by color cast, short circuit and the like can be blocked and detected in pixel display electrical measurement, and waste of module materials is reduced.
Illustratively, on the basis of the above technical solution, the display panel shown in fig. 7 and 8 may further include: a plurality of cascaded shift registers 20, wherein one shift register 20 is electrically connected with one scanning line 11, and the shift register 20 transmits scanning signals to the scanning line 11; the shift register 20 includes a trigger module 201, a driving module 202 and a switch unit 203, a trigger input end nextin of the trigger module 201 is electrically connected with a trigger output end nextin of the previous stage shift register 20, the trigger output end nextin of the trigger module 201 is electrically connected with a trigger input end nextin of the next stage shift register 20 and a first input end of the driving module 202 respectively, an output end OUT of the driving module 202 is electrically connected with a corresponding row of scan lines 11, a control end of the switch unit 203 receives a control signal SW, an input end of the switch unit 203 is electrically connected with a first timing signal CKV3, and an output end of the switch unit 203 is electrically connected with a second input end of the driving module 202; in the first display stage, the switch units of the odd-level shift register are simultaneously conducted to enable the drive module of the odd-level shift register to be conducted with the transmission path of the scanning lines and to sequentially transmit scanning signals to the odd-row scanning lines; in the second display stage, the switch units of the even-level shift register are simultaneously conducted to enable the drive module of the even-level shift register to be conducted with the transmission path of the scanning lines and sequentially transmit scanning signals to the even-numbered rows of the scanning lines.
In this embodiment, the shift registers 20 in the multi-stage cascade are sequentially triggered, that is, the first-stage shift register 20 is triggered to drive the first row of scan lines 11, sequentially, the first-stage shift register 20 triggers the second-stage shift register 20 to drive the second row of scan lines 11, and sequentially, the second-stage shift register 20 triggers the third-stage shift register 20 to drive the third row of scan lines 11. By analogy, the shift register 20 realizes driving the scanning lines 11 stage by stage.
The shift register 20 includes a trigger module 201, a driving module 202, and a switch unit 203, where a trigger input nextin of the trigger module 201 is electrically connected to a trigger output nextout of the previous stage shift register 20, and the shift register 20 is triggered when receiving a trigger signal transmitted by the previous stage. The trigger output end nextout of the trigger module 201 is electrically connected to the trigger input end nextin of the next-stage shift register 20 and the first input end of the driving module 202, that is, the trigger signal is transmitted to the next-stage shift register 20 to be triggered, so that the shift register 20 in the multi-stage cascade connection realizes the stage-by-stage triggering.
The toggle output nextout of the toggle module 201 of the shift register 20 also transmits a toggle signal to the first input of the drive module 202. The control terminal of the switch unit 203 receives the control signal SW, the input terminal of the switch unit 203 is electrically connected to the first timing signal CKV3, and the output terminal of the switch unit 203 is electrically connected to the second input terminal of the driving module 202. Obviously, the triggered shift register can transmit the scan signal to the corresponding scan signal 11 only when the switch unit 203 is turned on under the control of the control signal SW signal. The switching unit 203 thus controls whether the output terminal of the triggered shift register 20 outputs the scan signal. The scan signal described herein is an active scan signal.
In the first display stage, the switch units 203 of the odd-numbered stage shift register 20 are turned on simultaneously. The multi-stage cascaded shift register 20 is activated stage by stage. When the first stage shift register 20 is triggered, and the switch unit 203 is turned on, the driving module 202 of the first stage shift register 20 is turned on with the transmission path of the first row of scan lines 11, so that the first row of scan lines 11 can receive the effective scan signal; sequentially, the second stage shift register 20 is triggered, and based on the switch unit 203 being turned off, the transmission path between the driving module 202 of the second stage shift register 20 and the second row of scanning lines 11 is disconnected, and the second row of scanning lines 11 are floated; sequentially, the third stage shift register 20 is triggered, and based on the switch unit 203 thereof being turned on, the third stage shift register 20 transmits an effective scanning signal to the third row scanning line 11. By analogy, the first display stage realizes that the scanning signals are transmitted to the scanning lines of the odd rows in sequence.
In the second display stage, the switch units 203 of the even-numbered stage shift register 20 are turned on simultaneously. The multi-stage cascaded shift register 20 is activated stage by stage. When the first stage shift register 20 is triggered, and the switch unit 203 is turned off, the transmission path between the driving module 202 of the first stage shift register 20 and the first row of scan lines 11 is disconnected, so that the first row of scan lines 11 is floated; sequentially, the second stage shift register 20 is triggered, and based on the on state of the switch unit 203, the second stage shift register 20 transmits an effective scanning signal to the second row of scanning lines 11; sequentially, the third stage shift register 20 is triggered, and based on the switch unit 203 being turned off, the transmission path between the driving module 202 of the third stage shift register 20 and the third row of scanning lines 11 is disconnected, so that the third row of scanning lines 11 is floated. By analogy, the second display stage realizes the sequential transmission of scanning signals to the even rows of scanning lines.
The selectable switch units are all NMOS or PMOS; the display panel further includes: the first switch control line is electrically connected with the control end of the switch unit of each odd-level shift register, and the second switch control line is electrically connected with the control end of the switch unit of each even-level shift register. The first switch control line and the second switch control line are electrically connected to a driving chip (not shown).
If the switch units are all NMOS, in the first display stage, the first switch control line outputs a high level signal, and the second switch control line outputs a low level signal; in the second display stage, the first switch control line outputs a low level signal, and the second switch control line outputs a high level signal. Otherwise, the PMOS driving process is performed.
In this embodiment, the switch unit only controls whether the output end of the shift register outputs or not, and the shift of the shift register is not affected, so that a group of cascaded shift registers can drive the scan lines line by line.
It can be understood that in other embodiments, it is also possible to select that the switch units of the odd-numbered shift registers are all NMOS, and the switch units of the even-numbered shift registers are all PMOS; the display panel further includes: and the switch control line is electrically connected with the control end of the switch unit of each shift register. The switch control line outputs a high level signal to turn on the output terminal of the odd-numbered stage shift register in the first display stage, and outputs a low level signal to turn on the output terminal of the even-numbered stage shift register in the second display stage.
Illustratively, on the basis of the above technical solution, the display panel shown in fig. 7 and 9 may further include: a plurality of cascaded shift registers 20, wherein one shift register 20 is electrically connected with one scanning line 11, and the shift register 20 transmits scanning signals to the scanning line 11; the shift register 20 comprises a trigger module 201, a drive module 202 and a switch unit 203, wherein a trigger input end of the trigger module 201 is electrically connected with a trigger output end of the previous shift register 20, a trigger output end of the trigger module 201 is electrically connected with a trigger input end of the next shift register 20 and an input end of the drive module 202 respectively, an output end of the drive module 202 is electrically connected with the corresponding row of scanning lines 11 through the switch unit 203, and a control end of the switch unit 203 receives a control signal; in the first display stage, the switch units 203 of the odd-numbered stage shift register 20 are turned on simultaneously to turn on the driving modules 202 of the odd-numbered stage shift register 20 and the transmission paths of the scan lines 11 and sequentially transmit the scan signals to the scan lines 11 of the odd-numbered rows; in the second display stage, the switch units 203 of the even-numbered stage shift register 20 are turned on simultaneously to turn on the driving modules 202 of the even-numbered stage shift register 20 and the transmission paths of the scan lines 11 and sequentially transmit the scan signals to the scan lines 11 of the even-numbered rows. The selectable switch units are all NMOS or PMOS; the display panel further includes: the first switch control line is electrically connected with the control end of the switch unit of each odd-level shift register, and the second switch control line is electrically connected with the control end of the switch unit of each even-level shift register. The first switch control line and the second switch control line are electrically connected to a driving chip (not shown).
Fig. 9 differs from fig. 8 in that the switch unit 203 is disposed at a different position. In fig. 8, the switch unit is disposed at the input end of the driving module to control the on/off of the driving module. In fig. 9, a switching unit is disposed at an output end of the driving module to control on/off of a path between the driving module and the scan line. The control process is similar to that of fig. 8 and is not described in detail herein.
In this embodiment, the switch unit controls the on/off of the output end of the shift register and the path of the scan line, and the triggered shift of the shift register is not affected, so that a group of cascaded shift registers can drive the scan line by line.
It can be understood that in other embodiments, it is also possible to select that the switch units of the odd-numbered shift registers are all NMOS, and the switch units of the even-numbered shift registers are all PMOS; the display panel further includes: and the switch control line is electrically connected with the control end of the switch unit of each shift register. The switch control line outputs a high level signal to turn on the output terminal of the odd-numbered stage shift register in the first display stage, and outputs a low level signal to turn on the output terminal of the even-numbered stage shift register in the second display stage.
Illustratively, on the basis of the above technical solution, the display panel shown in fig. 8 and 10 may further include: a first shift register 31 and a second shift register 32 which are cascaded in multiple stages, wherein the first shift register 31 and the second shift register 32 in the same stage are respectively electrically connected with two ends of the same scanning line 11, and the first shift register 31 and the second shift register 32 in the same stage transmit scanning signals to the scanning line 11 at the same time; the shift register 31 comprises a trigger module 201, a drive module 202 and a switch unit 203, wherein a trigger input end of the trigger module 201 is electrically connected with a trigger output end of a cascaded previous-stage shift register, a trigger output end of the trigger module 201 is electrically connected with a trigger input end of a cascaded next-stage shift register and a first input end of the drive module 202 respectively, an output end of the drive module 202 is electrically connected with a corresponding row of scanning lines 11, a control end of the switch unit 203 receives a control signal, an input end of the switch unit 203 is electrically connected with a first clock signal, and an output end of the switch unit 203 is electrically connected with a second input end of the drive module 202; in the first display stage, the switch units 203 of the odd-numbered shift registers are turned on simultaneously to turn on the transmission paths of the driving modules 202 of the first shift register 31 and the second shift register 32 of the same odd-numbered stage and the scanning lines 11 and transmit the scanning signals to the scanning lines 11 of the odd-numbered rows simultaneously; in the second display stage, the switch units 203 of the even-numbered shift registers are turned on simultaneously, so that the driving modules 202 of the first shift register 31 and the second shift register 32 in the same even-numbered stage are turned on with the transmission paths of the scan lines 11 and simultaneously transmit the scan signals to the scan lines 11 in the even-numbered rows in sequence.
The selectable switch units are all NMOS or PMOS; the display panel further includes: the first switch control line is electrically connected with the control end of the switch unit of each odd-level shift register, and the second switch control line is electrically connected with the control end of the switch unit of each even-level shift register.
The switch units of the first shift register and the second shift register of the optional odd-numbered stage are both NMOS, and the switch units of the first shift register and the second shift register of the even-numbered stage are both PMOS; the display panel further includes: and the switch control line is electrically connected with the control end of the switch unit of each shift register.
FIG. 10 differs from FIG. 7 in that one scan line in FIG. 7 is driven by a shift register on one side; in fig. 10, one scan line is driven simultaneously by the shift registers on both sides thereof. The control process is similar to that of fig. 7 and is not described in detail herein.
The load in the scanning line direction in the large-size display panel is large, the scanning lines can be driven in a bilateral mode to reduce the load, the display effect and the charging efficiency of the display panel are optimized, and flicker influence is avoided. The display panel is particularly suitable for vehicle-mounted large and medium-sized display panels.
Illustratively, on the basis of the above technical solution, the display panel as shown in fig. 9 and 10 may further include: a first shift register 31 and a second shift register 32 which are cascaded in multiple stages, wherein the first shift register 31 and the second shift register 32 in the same stage are respectively electrically connected with two ends of the same scanning line 11, and the first shift register 31 and the second shift register 32 in the same stage transmit scanning signals to the scanning line 11 at the same time; the shift register comprises a trigger module 201, a drive module 202 and a switch unit 203, wherein a trigger input end of the trigger module 201 is electrically connected with a trigger output end of a cascaded previous-stage shift register, a trigger output end of the trigger module 201 is electrically connected with a trigger input end of a cascaded next-stage shift register and an input end of the drive module 202 respectively, an output end of the drive module 202 is electrically connected with a corresponding row of scanning lines 11 through the switch unit 203, and a control end of the switch unit 203 receives a control signal; in the first display stage, the switch units 203 of the odd-numbered shift registers are turned on simultaneously to turn on the transmission paths of the driving modules 202 of the first shift register 31 and the second shift register 32 of the same odd-numbered stage and the scanning lines 11 and transmit the scanning signals to the scanning lines 11 of the odd-numbered rows simultaneously; in the second display stage, the switch units 203 of the even-numbered shift registers are turned on simultaneously, so that the driving modules 203 of the first shift register 31 and the second shift register 32 in the same even-numbered stage are turned on with the transmission paths of the scan lines 11 and simultaneously transmit the scan signals to the scan lines 11 in the even-numbered rows in sequence.
The selectable switch units are all NMOS or PMOS; the display panel further includes: the first switch control line is electrically connected with the control end of the switch unit of each odd-level shift register, and the second switch control line is electrically connected with the control end of the switch unit of each even-level shift register.
The switch units of the first shift register and the second shift register of the optional odd-numbered stage are both NMOS, and the switch units of the first shift register and the second shift register of the even-numbered stage are both PMOS; the display panel further includes: and the switch control line is electrically connected with the control end of the switch unit of each shift register.
Based on the same inventive concept, embodiments of the present invention further provide a display device, which includes the display panel according to any of the above embodiments. The optional display device is a vehicle-mounted display device, or a mobile terminal, or a household appliance display screen, and the like. The optional display panel is a liquid crystal display panel, an organic light emitting display panel or other types of display panels.
In this embodiment, the data lines of the display device are connected to the sub-pixels with different colors, so that the display stage is divided into a first display stage and a second display stage, and the odd rows and the even rows are driven by the first display stage and the second display stage, so as to obtain a pure color picture without switching the signals of the data lines back and forth, thereby solving the problems in the prior art.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (11)
1. A display panel, comprising: the array pixel structure comprises a plurality of scanning lines extending along a row direction, a plurality of data lines extending along a column direction and a plurality of sub-pixels arranged in an array, wherein the light-emitting colors of the sub-pixels in the same column are the same, and the light-emitting colors of two adjacent sub-pixels in the same row are different;
the scanning line is correspondingly arranged on one row of the sub-pixels, one data line is respectively arranged on two sides of one column of the sub-pixels, one data line is arranged between two adjacent columns of the sub-pixels, two adjacent sub-pixels in the same column of the sub-pixels are connected with the data lines on different sides, and two adjacent sub-pixels in the same row of the sub-pixels are connected with different data lines;
in the first display stage, the scanning lines in odd rows sequentially output scanning signals to drive the sub-pixels in the odd rows, and the data lines electrically connected with the sub-pixels in the odd rows configured to emit the first color light output first data voltage signals;
in the second display stage, the even-numbered rows of the scanning lines sequentially output scanning signals to drive the even-numbered rows of the sub-pixels, and the data lines electrically connected with the even-numbered rows of the sub-pixels configured to emit the first color light output the first data voltage signals.
2. The display panel of claim 1, wherein the sub-pixels comprise opposing first and second sides in the row direction;
for a column of the sub-pixels, the sub-pixels in the odd-numbered rows are respectively connected to the data lines on the first side of the sub-pixels, and the sub-pixels in the even-numbered rows are respectively connected to the data lines on the second side of the sub-pixels.
3. The display panel of claim 1, wherein the first color light is red, green, or blue;
the sub-pixels include a first sub-pixel configured to emit red light, a second sub-pixel configured to emit green light, and a third sub-pixel configured to emit blue light.
4. The display panel according to claim 1, further comprising: the shift register comprises a first shift register of multi-stage cascade and a second shift register of multi-stage cascade;
the first shift register of one stage is electrically connected with one odd-numbered scanning line, and the first shift register transmits scanning signals to the odd-numbered scanning line;
the first-stage second shift register is electrically connected with one scanning line in an even row, and the second shift register transmits scanning signals to the scanning line in the even row;
in the first display stage, the first shift registers in cascade connection in multiple stages transmit scanning signals to the scanning lines in odd rows in sequence;
and in the second display stage, the second shift registers in cascade connection in multiple stages sequentially transmit scanning signals to the scanning lines in even rows.
5. The display panel according to claim 1, further comprising: the shift register of the multistage cascade, the shift register of one stage is electrically connected with a scanning line, the shift register transmits the scanning signal to the scanning line;
the shift register comprises a trigger module, a drive module and a switch unit, wherein a trigger input end of the trigger module is electrically connected with a trigger output end of the shift register of the previous stage, a trigger output end of the trigger module is electrically connected with a trigger input end of the shift register of the next stage and a first input end of the drive module respectively, an output end of the drive module is electrically connected with the scanning lines of the corresponding row, a control end of the switch unit receives a control signal, an input end of the switch unit is electrically connected with a first time sequence signal, and an output end of the switch unit is electrically connected with a second input end of the drive module;
in the first display stage, the switch units of the odd-numbered shift registers are simultaneously conducted to enable the drive modules of the odd-numbered shift registers to be conducted with the transmission paths of the scanning lines and to sequentially transmit scanning signals to the odd-numbered scanning lines;
in the second display stage, the switch units of the even-numbered shift registers are simultaneously turned on to enable the drive modules of the even-numbered shift registers to be turned on with the transmission paths of the scanning lines and sequentially transmit scanning signals to the scanning lines of the even-numbered rows.
6. The display panel according to claim 1, further comprising: the shift register of the multistage cascade, the shift register of one stage is electrically connected with a scanning line, the shift register transmits the scanning signal to the scanning line;
the shift register comprises a trigger module, a drive module and a switch unit, wherein a trigger input end of the trigger module is electrically connected with a trigger output end of the shift register of the previous stage, a trigger output end of the trigger module is electrically connected with a trigger input end of the shift register of the next stage and an input end of the drive module respectively, an output end of the drive module is electrically connected with the scanning line of the corresponding row through the switch unit, and a control end of the switch unit receives a control signal;
in the first display stage, the switch units of the odd-numbered shift registers are simultaneously conducted to enable the drive modules of the odd-numbered shift registers to be conducted with the transmission paths of the scanning lines and to sequentially transmit scanning signals to the odd-numbered scanning lines;
in the second display stage, the switch units of the even-numbered shift registers are simultaneously turned on to enable the drive modules of the even-numbered shift registers to be turned on with the transmission paths of the scanning lines and sequentially transmit scanning signals to the scanning lines of the even-numbered rows.
7. The display panel according to claim 1, further comprising: the first shift register and the second shift register of the same stage are respectively and electrically connected with two ends of the same scanning line, and the first shift register and the second shift register of the same stage transmit scanning signals to the scanning line simultaneously;
the shift register comprises a trigger module, a drive module and a switch unit, wherein the trigger input end of the trigger module is electrically connected with the trigger output end of the shift register at the previous stage in cascade, the trigger output end of the trigger module is electrically connected with the trigger input end of the shift register at the next stage in cascade and the first input end of the drive module respectively, the output end of the drive module is electrically connected with the scanning line at the corresponding row, the control end of the switch unit receives a control signal, the input end of the switch unit is electrically connected with a first time sequence signal, and the output end of the switch unit is electrically connected with the second input end of the drive module;
in the first display stage, the switch units of the odd-numbered shift registers are simultaneously turned on to enable the drive modules of the first shift register and the second shift register in the same odd-numbered stage to be turned on with the transmission paths of the scanning lines and simultaneously transmit scanning signals to the scanning lines in odd-numbered rows;
in the second display stage, the switch units of the even-numbered shift registers are simultaneously turned on to enable the drive modules of the first shift register and the second shift register in the same even-numbered stage to be turned on with the transmission paths of the scanning lines and simultaneously transmit scanning signals to the scanning lines in even-numbered rows in sequence.
8. The display panel according to claim 1, further comprising: the first shift register and the second shift register of the same stage are respectively and electrically connected with two ends of the same scanning line, and the first shift register and the second shift register of the same stage transmit scanning signals to the scanning line simultaneously;
the shift register comprises a trigger module, a drive module and a switch unit, wherein the trigger input end of the trigger module is electrically connected with the trigger output end of the shift register at the previous stage in cascade connection, the trigger output end of the trigger module is electrically connected with the trigger input end of the shift register at the next stage in cascade connection and the input end of the drive module respectively, the output end of the drive module is electrically connected with the scanning line at the corresponding row through the switch unit, and the control end of the switch unit receives a control signal;
in the first display stage, the switch units of the odd-numbered shift registers are simultaneously turned on to enable the drive modules of the first shift register and the second shift register in the same odd-numbered stage to be turned on with the transmission paths of the scanning lines and simultaneously transmit scanning signals to the scanning lines in odd-numbered rows;
in the second display stage, the switch units of the even-numbered shift registers are simultaneously turned on to enable the drive modules of the first shift register and the second shift register in the same even-numbered stage to be turned on with the transmission paths of the scanning lines and simultaneously transmit scanning signals to the scanning lines in even-numbered rows in sequence.
9. The display panel according to any one of claims 5 to 8, wherein the switch units are all NMOS or all PMOS; the display panel further includes:
a first switch control line electrically connected to a control end of the switch unit of each odd-numbered stage of the shift register, an
And the second switch control line is electrically connected with the control end of the switch unit of each even-numbered stage of the shift register.
10. The display panel according to any one of claims 5 to 8, wherein the switching elements of the first shift register and the second shift register of odd-numbered stages are both NMOS, and the switching elements of the first shift register and the second shift register of even-numbered stages are both PMOS; the display panel further includes:
and the switch control line is electrically connected with the control end of the switch unit of each shift register.
11. A display device characterized in that it comprises a display panel according to any one of claims 1 to 10.
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