CN109003587A - GOA circuit and HG2D dot structure with the GOA circuit - Google Patents

GOA circuit and HG2D dot structure with the GOA circuit Download PDF

Info

Publication number
CN109003587A
CN109003587A CN201810878457.0A CN201810878457A CN109003587A CN 109003587 A CN109003587 A CN 109003587A CN 201810878457 A CN201810878457 A CN 201810878457A CN 109003587 A CN109003587 A CN 109003587A
Authority
CN
China
Prior art keywords
thin film
film transistor
pull
module
gate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810878457.0A
Other languages
Chinese (zh)
Inventor
吕晓文
陈书志
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority to CN201810878457.0A priority Critical patent/CN109003587A/en
Priority to PCT/CN2018/110009 priority patent/WO2020024429A1/en
Publication of CN109003587A publication Critical patent/CN109003587A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/36Control 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
    • G09G3/3611Control of matrices with row and column drivers
    • G09G3/3674Details of drivers for scan electrodes
    • G09G3/3677Details of drivers for scan electrodes suitable for active matrices only

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

The invention discloses a kind of HG2D dot structures with the GOA circuit, the GOA circuit includes the GOA driving unit of bus unit and multiple grades, odd number CK clock cable is arranged in the bus unit, each GOA driving unit connects a CK clock cable;The CK signal dutyfactor of each CK clock cable is set as Duty (100/N)/(100/N).The present invention can be effectively reduced the item number of CK clock cable, it is being applied in HG2D dot structure, use the CK clock cable of odd number item number, the number of some intermediate CK clock cables, such as 6CK, 10CK can be used, the number of CK clock cable is doubled with 2 multiple, space can be preferably utilized, wiring can be reasonably arranged, save wiring space.

Description

GOA circuit and HG2D pixel structure with same
Technical Field
The invention relates to the technical field of liquid crystal display and the like, in particular to a GOA circuit and an HG2D pixel structure with the GOA circuit.
Background
With the improvement of the performance of the TFT, the GOA technology is currently and widely applied to the panel, and has many advantages, so that Gate ICs can be saved, the yield of customers can be improved, and a frameless design can be realized.
The GOA Circuit includes two parts, which generally include a GOA driving unit (Circuit) and a bus unit (busline), wherein the bus unit (busline) includes a CK signal line, an XCK signal line, an STV signal line, a VSS signal line, an LC control signal line, and the like. In general, the GOA circuit always transmits both the CK signal and the XCK signal, one as a continuous signal and one as a pull-down signal. In the advanced multiple CK signal GOA circuit, the configuration of 2CK, 4CK, 6CK, 8CK,10CK,12 CK, etc. occurring in pairs is also adopted, as shown in fig. 1 and fig. 2, fig. 1 shows the GOA circuit arrangement of 2CK signals, and fig. 2 shows the GOA circuit arrangement of 4CK signals. The multi-CK GOA circuit has many advantages, such as reducing single CK RC loading, increasing charging time, etc., but also has some disadvantages, such as the more the number of CK signal lines, the wider the total width of the CK signal lines, the larger the required circuit wiring (Layout) space, the increased system complexity, etc.
Disclosure of Invention
The purpose of the invention is: a GOA circuit is provided to solve the problems that the total width of a CK signal line is wide, the space of required circuit wiring (Layout) is large, and the circuit wiring is complex in the prior art.
The technical scheme for realizing the purpose is as follows: a GOA circuit comprises a bus unit and a plurality of cascaded GOA driving units, wherein odd CK clock signal lines are arranged in the bus unit, and each GOA driving unit is connected with one CK clock signal line; the CK signal Duty ratio of each of the CK clock signal lines is set to Duty (100/N)/(100/N).
In a preferred embodiment of the present invention, the odd number is an integer greater than 2.
In a preferred embodiment of the present invention, the GOA unit includes a pull-up control module, a pull-up module, a pull-down maintaining module, a pull-down module, and a bootstrap capacitor; the pull-up control module is respectively connected with the pull-down module and the pull-down maintaining module; the pull-up module is respectively connected with the CK clock signal line and the scanning line of the current stage; the down-pulling module is connected with the CK clock signal line and the down-pulling module respectively; the pull-down maintaining module and the pull-down module are respectively connected with a pull-down signal line; the pull-down module is respectively connected with the scanning line of the current stage; one end of the bootstrap capacitor is connected with the pull-up control module and the download module respectively, and the other end of the bootstrap capacitor is connected with the scanning line of the stage.
In a preferred embodiment of the present invention, the pull-up control module includes a first thin film transistor T11, a gate of the first thin film transistor T11 is configured to receive a trigger signal of a GOA cell of the nth-1 stage, and a drain of the first thin film transistor T11 is respectively connected to the pull-down module and the pull-down sustain module.
In a preferred embodiment of the present invention, the down module includes a second thin film transistor T22, the gate of the second thin film transistor T22 is connected to the drain of the first thin film transistor T11, the source of the second thin film transistor T22 is connected to the CK clock signal line, and the drain of the second thin film transistor T22 is used for outputting the trigger signal of the GOA unit of the current stage.
In a preferred embodiment of the present invention, the pull-up module includes a third tft T21, a gate of the third tft T21 is connected to a drain of the first tft T11, a source of the third tft T21 is connected to the CK clock signal line, and a drain of the third tft T21 is connected to the scan line of the present stage.
In a preferred embodiment of the present invention, the pull-down module includes a fourth thin film transistor T41 and a fifth thin film transistor T31, a gate of the fourth thin film transistor T41 is connected to the N +1 th scan line, a source of the fourth thin film transistor T41 is connected to the gate of the second thin film transistor T22, and a drain of the fourth thin film transistor T41 is connected to the pull-down signal line; the gate of the fifth thin film transistor T31 is connected to the (N + 1) th scan line, the source of the fifth thin film transistor T31 is connected to the scan line of the current stage, and the drain of the fifth thin film transistor T31 is connected to the pull-down signal line.
In a preferred embodiment of the present invention, the pull-down maintaining module includes a sixth thin film transistor T52, a seventh thin film transistor T51, an eighth thin film transistor T42, and a ninth thin film transistor T32; the gate of the sixth thin film transistor T52 is connected to the drain of the first thin film transistor T11, the source thereof is connected to the drain of the seventh thin film transistor T51, and the gate thereof is connected to a pull-down signal line; the gate of the seventh thin film transistor T51 is connected to the source thereof for receiving a control signal; a gate electrode of the eighth thin film transistor T42 is connected to a source electrode of the sixth thin film transistor T52, a source electrode of the eighth thin film transistor T42 is connected to a drain electrode of the first thin film transistor T11, and a drain electrode of the eighth thin film transistor T42 is connected to a pull-down signal line; the gate of the ninth thin film transistor T32 is connected to the source of the sixth thin film transistor T52, the source of the ninth thin film transistor T32 is connected to the scan line of the present stage, and the drain of the ninth thin film transistor T32 is connected to the pull-down signal line.
In a preferred embodiment of the present invention, the GOA circuit further includes a plurality of stages of pre-charge units correspondingly connected to each stage of the GOA driving units; the gate of the first thin film transistor T11 is used for receiving a trigger signal of the GOA unit of the nth-2 level; a gate of the fourth thin film transistor T41 is connected to the N +2 th scan line, a source of the fourth thin film transistor T41 is connected to the gate of the second thin film transistor T22, and a drain of the fourth thin film transistor T41 is connected to a pull-down signal line; the gate of the fifth thin film transistor T31 is connected to the (N + 2) th stage scan line.
The invention also provides an HG2D pixel structure, which comprises a GOA circuit.
The invention has the advantages that: the GOA circuit can effectively reduce the number of CK clock signal lines, for example, when the number of the required CK clock signal lines is more than 2 but not more than 4, 3 CK clock signal lines can be used to reduce the number of the CK clock signal lines, and when the GOA circuit is applied to an HG2D pixel structure, the number of intermediate CK clock signal lines can be used by using odd number of CK clock signal lines, for example, the number of 6CK clock signal lines, 10CK clock signal lines and the number of CK clock signal lines are multiplied by 2, so that the space can be better utilized, the circuit wiring can be reasonably arranged, and the circuit wiring space is saved.
Drawings
The invention is further explained below with reference to the figures and examples.
FIG. 1 shows a GOA circuit arrangement for 2CK signals in the prior art;
FIG. 2 shows a GOA circuit arrangement for 4CK signals in the prior art;
FIG. 3 is a schematic diagram of a GOA driving unit of embodiment 1;
FIG. 4 is a waveform diagram of CK clock signals of embodiment 1;
FIG. 5 is a schematic diagram of a GOA driving unit of embodiment 2;
FIG. 6 is a diagram of a portion of a GOA circuit structure of the HG2D pixel structure;
wherein,
1 GOA driving unit; 2, a bus unit;
100 a pull-up control module; 200, a pull-up module;
300 a download module; 400 pull down maintenance module;
500 pull down the module; 600 bootstrap capacitance;
700 pull down the signal line; 800CK clock signal lines;
900 scan lines of this stage.
Detailed Description
The following description of the embodiments refers to the accompanying drawings for illustrating the specific embodiments in which the invention may be practiced. The directional terms used in the present invention, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., refer to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention.
Example 1: referring to fig. 1 and 2, a GOA circuit includes a bus unit 2 and a plurality of cascaded GOA driving units 1, wherein odd CK clock signal lines 800 and STV signal lines are arranged in the bus unit 2, and each GOA driving unit 1 is connected to a CK clock signal line 800. The CK signal Duty ratio of each of the CK clock signal lines 800 is set to Duty (100/N)/(100/N). The odd number is an integer greater than 2, and the present embodiment takes 3 CK clock signal lines 800 as an example to further explain the present invention. When 3 CK clock signal lines 800 are arranged in the bus bar unit 2, the CK signal Duty ratio of each CK clock signal line 800 is set to Duty 33/33. CK clock signal lines 800 are labeled CK1, CK2, CK3, respectively. The clock signal of its output is shown in fig. 3. The odd CK clock signal lines 800 may be applied to the Layout of the Layout space between odd and even numbers, for example, when the CK clock signal lines 800 are arranged, more than 2 and less than 4 are needed, and when 3 lines can be actually arranged, 3 CK clock signal lines 800 are used. Compared with 2CK clock signal lines, the RC loading of a single CK can be reduced, and the charging time can be reduced.
As shown in fig. 4, the GOA unit includes a pull-up control module 100, a pull-up module 200, a pull-down module 300, a pull-down sustain module 400, a pull-down module, and a bootstrap capacitor 600; the pull-up control module 100 is respectively connected with the pull-down module 300 and the pull-down maintaining module 400; the pull-up module 200 is connected to the CK clock signal line 800 and the scan line 900 of the current stage, respectively; the pull-down module 300 is connected to the CK clock signal line 800 and the pull-down module 500, respectively; the pull-down maintaining module 400 and the pull-down module 500 are respectively connected to the pull-down signal line 700; the pull-down modules 500 are respectively connected with the scan lines 900 of the current stage; one end of the bootstrap capacitor 600 is connected to the pull-up control module 100 and the pull-down module 300, respectively, and the other end is connected to the scan line 900 of the current stage.
The pull-up control module 100 includes a first thin film transistor T11, a gate of the first thin film transistor T11 is configured to receive a trigger signal of a GOA cell of the nth-1 stage, and a drain of the first thin film transistor T11 is connected to the pull-down module 300 and the pull-down sustain module 400, respectively.
The down-link module 300 includes a second thin film transistor T22, a gate of the second thin film transistor T22 is connected to a drain of the first thin film transistor T11, a source of the second thin film transistor T22 is connected to the CK clock signal line 800, and a drain of the second thin film transistor T22 is used for outputting a trigger signal of the GOA unit of the current stage.
The pull-up module 200 includes a third thin film transistor T21, a gate of the third thin film transistor T21 is connected to a drain of the first thin film transistor T11, a source of the third thin film transistor T21 is connected to the CK clock signal line 800, and a drain of the third thin film transistor T21 is connected to the scan line 900 of the present stage.
The pull-down module 500 includes a fourth thin film transistor T41 and a fifth thin film transistor T31, a gate of the fourth thin film transistor T41 is connected to the N +1 th scan line, a source of the fourth thin film transistor T41 is connected to the gate of the second thin film transistor T22, and a drain of the fourth thin film transistor T41 is connected to the pull-down signal line 700; the gate of the fifth thin film transistor T31 is connected to the (N + 1) th scan line, the source of the fifth thin film transistor T31 is connected to the scan line 900 of the current stage, and the drain of the fifth thin film transistor T31 is connected to the pull-down signal line 700. The pull-down sustain module 400 includes a sixth thin film transistor T52, a seventh thin film transistor T51, an eighth thin film transistor T42, and a ninth thin film transistor T32; the gate of the sixth thin film transistor T52 is connected to the drain of the first thin film transistor T11, the source thereof is connected to the drain of the seventh thin film transistor T51, and the gate thereof is connected to the pull-down signal line 700; the gate of the seventh thin film transistor T51 is connected to the source thereof for receiving a control signal; a gate electrode of the eighth thin film transistor T42 is connected to the source electrode of the sixth thin film transistor T52, a source electrode of the eighth thin film transistor T42 is connected to the drain electrode of the first thin film transistor T11, and a drain electrode of the eighth thin film transistor T42 is connected to a pull-down signal line 700; the gate of the ninth thin film transistor T32 is connected to the source of the sixth thin film transistor T52, the source of the ninth thin film transistor T32 is connected to the scan line 900 of the present stage, and the drain of the ninth thin film transistor T32 is connected to the pull-down signal line 700. One end of the bootstrap capacitor 600 is a first node Q (N), and is connected to the drain of the first thin film transistor T11 through the first node Q (N). The source of the fourth thin film transistor T41 and the gate of the second thin film transistor T22 are connected to the drain of the first thin film transistor T11 through a first node Q (N). The gate electrode of the eighth thin film transistor T42, the source electrode of the sixth thin film transistor T52, and the drain electrode of the seventh thin film transistor T51 are connected through a second node P (N).
Embodiment 2, as shown in fig. 5, in this embodiment, the GOA circuit further includes a multi-stage pre-charging unit correspondingly connected to each stage of the GOA driving unit 1. The connection structure of the precharge unit and the GOA driving unit 1 is the technical knowledge grasped by those skilled in the art, and is not described in detail herein.
In this embodiment, the GOA unit includes a pull-up control module 100, a pull-up module 200, a pull-down module 300, a pull-down maintaining module 400, a pull-down module 500, and a bootstrap capacitor 600; the pull-up control module 100 is respectively connected with the pull-down module 300 and the pull-down maintaining module 400; the pull-up module 200 is connected to the CK clock signal line 800 and the scan line 900 of the current stage, respectively; the pull-down module 300 is connected to the CK clock signal line 800 and the pull-down module 500, respectively; the pull-down maintaining module 400 and the pull-down module 500 are respectively connected to the pull-down signal line 700; the pull-down modules 500 are respectively connected with the scan lines 900 of the current stage; one end of the bootstrap capacitor 600 is connected to the pull-up control module 100 and the pull-down module 300, respectively, and the other end is connected to the scan line 900 of the current stage.
The pull-up control module 100 includes a first thin film transistor T11, a gate of the first thin film transistor T11 is configured to receive a trigger signal of a GOA cell of the nth-2 stage, and a drain of the first thin film transistor T11 is connected to the pull-down module 300 and the pull-down sustain module 400, respectively.
The down-link module 300 includes a second thin film transistor T22, a gate of the second thin film transistor T22 is connected to a drain of the first thin film transistor T11, a source of the second thin film transistor T22 is connected to the CK clock signal line 800, and a drain of the second thin film transistor T22 is used for outputting a trigger signal of the GOA unit of the current stage.
The pull-up module 200 includes a third thin film transistor T21, a gate of the third thin film transistor T21 is connected to a drain of the first thin film transistor T11, a source of the third thin film transistor T21 is connected to the CK clock signal line 800, and a drain of the third thin film transistor T21 is connected to the scan line 900 of the present stage.
The pull-down module 500 includes a fourth thin film transistor T41 and a fifth thin film transistor T31, a gate of the fourth thin film transistor T41 is connected to the N +2 th scan line, a source of the fourth thin film transistor T41 is connected to the gate of the second thin film transistor T22, and a drain of the fourth thin film transistor T41 is connected to the pull-down signal line 700; the gate of the fifth thin film transistor T31 is connected to the (N + 2) th scan line, the source of the fifth thin film transistor T31 is connected to the scan line 900 of the current stage, and the drain of the fifth thin film transistor T31 is connected to the pull-down signal line 700. The pull-down sustain module 400 includes a sixth thin film transistor T52, a seventh thin film transistor T51, an eighth thin film transistor T42, and a ninth thin film transistor T32; the gate of the sixth thin film transistor T52 is connected to the drain of the first thin film transistor T11, the source thereof is connected to the drain of the seventh thin film transistor T51, and the gate thereof is connected to the pull-down signal line 700; the gate of the seventh thin film transistor T51 is connected to the source thereof for receiving a control signal; a gate electrode of the eighth thin film transistor T42 is connected to the source electrode of the sixth thin film transistor T52, a source electrode of the eighth thin film transistor T42 is connected to the drain electrode of the first thin film transistor T11, and a drain electrode of the eighth thin film transistor T42 is connected to a pull-down signal line 700; the gate of the ninth thin film transistor T32 is connected to the source of the sixth thin film transistor T52, the source of the ninth thin film transistor T32 is connected to the scan line 900 of the present stage, and the drain of the ninth thin film transistor T32 is connected to the pull-down signal line 700. One end of the bootstrap capacitor 600 is a first node Q (N), and is connected to the drain of the first thin film transistor T11 through the first node Q (N). The source of the fourth thin film transistor T41 and the gate of the second thin film transistor T22 are connected to the drain of the first thin film transistor T11 through a first node Q (N). The gate electrode of the eighth thin film transistor T42, the source electrode of the sixth thin film transistor T52, and the drain electrode of the seventh thin film transistor T51 are connected through a second node P (N).
As shown in fig. 6, fig. 6 is a partial GOA circuit structure diagram of HG2D pixel structure, where in the GOA circuit structure of HG2D pixel structure: since two gates are turned on simultaneously, the CK clock lines must be paired to provide the same clock signal for both gates simultaneously, and if the conventional design in the prior art is adopted, the number of CK clock lines required becomes 4CK,8CK,12CK, etc., sequentially increasing by multiples of 4. When the number of the required CK clock signal lines is more than 2 and not more than 4, etc., odd number of CK signal lines of the present invention can be used, and the number of the CK clock signal lines can be set to 6CK,10CK, etc., and thus, the space can be better utilized.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A GOA circuit is characterized by comprising a bus unit and a plurality of cascaded GOA driving units, wherein odd CK clock signal lines are arranged in the bus unit, and each GOA driving unit is connected with one CK clock signal line; the CK signal Duty ratio of each of the CK clock signal lines is set to Duty (100/N)/(100/N).
2. The GOA circuit of claim 1, wherein the odd number is an integer greater than 2.
3. The GOA circuit according to claim 2, wherein the GOA unit comprises a pull-up control module, a pull-up module, a pull-down maintaining module, a pull-down module and a bootstrap capacitor;
the pull-up control module is respectively connected with the pull-down module and the pull-down maintaining module;
the pull-up module is respectively connected with the CK clock signal line and the scanning line of the current stage;
the down-pulling module is connected with the CK clock signal line and the down-pulling module respectively;
the pull-down maintaining module and the pull-down module are respectively connected with a pull-down signal line;
the pull-down module is respectively connected with the scanning line of the current stage;
one end of the bootstrap capacitor is connected with the pull-up control module and the download module respectively, and the other end of the bootstrap capacitor is connected with the scanning line of the stage.
4. The GOA circuit of claim 3, wherein the pull-up control module comprises a first thin film transistor T11, when the CK clock signal lines have a number of 3, a gate of the first thin film transistor T11 is configured to receive a trigger signal of a GOA unit of the Nth-1 stage, and a drain of the first thin film transistor T11 is respectively connected to the pull-down module and the pull-down maintaining module.
5. The GOA circuit of claim 4, wherein the downstream module comprises a second thin film transistor T22, a gate of the second thin film transistor T22 is connected to a drain of the first thin film transistor T11, a source of the second thin film transistor T22 is connected to the CK clock signal line, and a drain of the second thin film transistor T22 is used for outputting a trigger signal of the GOA unit of the current stage.
6. The GOA circuit of claim 5, wherein the pull-up module comprises a third TFT T21, the gate of the third TFT T21 is connected to the drain of the first TFT T11, the source of the third TFT T21 is connected to the CK clock signal line, and the drain of the third TFT T21 is connected to the scan line of the current stage.
7. The GOA circuit according to claim 6, wherein the pull-down module comprises a fourth thin film transistor T41 and a fifth thin film transistor T31, wherein a gate of the fourth thin film transistor T41 is connected to the N +1 th scan line, a source of the fourth thin film transistor T41 is connected to a gate of the second thin film transistor T22, and a drain of the fourth thin film transistor T41 is connected to a pull-down signal line; the gate of the fifth thin film transistor T31 is connected to the (N + 1) th scan line, the source of the fifth thin film transistor T31 is connected to the scan line of the current stage, and the drain of the fifth thin film transistor T31 is connected to the pull-down signal line.
8. The GOA circuit of claim 7, wherein the pull-down maintaining module comprises a sixth thin film transistor T52, a seventh thin film transistor T51, an eighth thin film transistor T42, a ninth thin film transistor T32; the gate of the sixth thin film transistor T52 is connected to the drain of the first thin film transistor T11, the source thereof is connected to the drain of the seventh thin film transistor T51, and the gate thereof is connected to a pull-down signal line; the gate of the seventh thin film transistor T51 is connected to the source thereof for receiving a control signal; a gate electrode of the eighth thin film transistor T42 is connected to a source electrode of the sixth thin film transistor T52, a source electrode of the eighth thin film transistor T42 is connected to a drain electrode of the first thin film transistor T11, and a drain electrode of the eighth thin film transistor T42 is connected to a pull-down signal line; the gate of the ninth thin film transistor T32 is connected to the source of the sixth thin film transistor T52, the source of the ninth thin film transistor T32 is connected to the scan line of the present stage, and the drain of the ninth thin film transistor T32 is connected to the pull-down signal line.
9. The GOA circuit according to claim 4, further comprising a multi-stage pre-charging unit correspondingly connected to each stage of the GOA driving unit; the gate of the first thin film transistor T11 is used for receiving a trigger signal of the GOA unit of the nth-2 level; a gate of the fourth thin film transistor T41 is connected to the N +2 th scan line, a source of the fourth thin film transistor T41 is connected to the gate of the second thin film transistor T22, and a drain of the fourth thin film transistor T41 is connected to a pull-down signal line; the gate of the fifth thin film transistor T31 is connected to the (N + 2) th stage scan line.
10. A HG2D pixel structure, comprising a GOA circuit of claim 1 or 2.
CN201810878457.0A 2018-08-03 2018-08-03 GOA circuit and HG2D dot structure with the GOA circuit Pending CN109003587A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201810878457.0A CN109003587A (en) 2018-08-03 2018-08-03 GOA circuit and HG2D dot structure with the GOA circuit
PCT/CN2018/110009 WO2020024429A1 (en) 2018-08-03 2018-10-12 Goa circuit and hg-2d pixel structure having same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810878457.0A CN109003587A (en) 2018-08-03 2018-08-03 GOA circuit and HG2D dot structure with the GOA circuit

Publications (1)

Publication Number Publication Date
CN109003587A true CN109003587A (en) 2018-12-14

Family

ID=64595186

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810878457.0A Pending CN109003587A (en) 2018-08-03 2018-08-03 GOA circuit and HG2D dot structure with the GOA circuit

Country Status (2)

Country Link
CN (1) CN109003587A (en)
WO (1) WO2020024429A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110910846A (en) * 2019-11-21 2020-03-24 Tcl华星光电技术有限公司 Display driving method and liquid crystal display device
CN111162114A (en) * 2020-03-05 2020-05-15 深圳市华星光电半导体显示技术有限公司 Display array substrate, display panel and display device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101349820A (en) * 2007-07-20 2009-01-21 胜华科技股份有限公司 Data driver and LCD device using the same
US20110241526A1 (en) * 2010-04-01 2011-10-06 Au Optronics Corporation Display and display panel thereof
CN103714785A (en) * 2012-09-28 2014-04-09 乐金显示有限公司 Liquid crystal display device
CN104078019A (en) * 2014-07-17 2014-10-01 深圳市华星光电技术有限公司 Gate drive circuit with self-compensation function
CN104217689A (en) * 2013-05-30 2014-12-17 乐金显示有限公司 Shift register
CN104882107A (en) * 2015-06-03 2015-09-02 深圳市华星光电技术有限公司 Gate drive circuit
CN106128401A (en) * 2016-08-31 2016-11-16 深圳市华星光电技术有限公司 A kind of bilateral array base palte horizontal drive circuit, display panels, driving method
CN107221298A (en) * 2017-07-12 2017-09-29 深圳市华星光电技术有限公司 A kind of GOA circuits and liquid crystal display

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101157240B1 (en) * 2005-04-11 2012-06-15 엘지디스플레이 주식회사 Method for driving shift register, gate driver and display device having the same
CN102402936B (en) * 2011-11-23 2014-06-25 北京大学深圳研究生院 Gate drive circuit unit, gate drive circuit and display device
CN203366700U (en) * 2013-08-09 2013-12-25 京东方科技集团股份有限公司 Shift register unit, shift register and display device
CN107358931B (en) * 2017-09-04 2019-12-24 深圳市华星光电半导体显示技术有限公司 GOA circuit

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101349820A (en) * 2007-07-20 2009-01-21 胜华科技股份有限公司 Data driver and LCD device using the same
US20110241526A1 (en) * 2010-04-01 2011-10-06 Au Optronics Corporation Display and display panel thereof
CN103714785A (en) * 2012-09-28 2014-04-09 乐金显示有限公司 Liquid crystal display device
CN104217689A (en) * 2013-05-30 2014-12-17 乐金显示有限公司 Shift register
CN104078019A (en) * 2014-07-17 2014-10-01 深圳市华星光电技术有限公司 Gate drive circuit with self-compensation function
CN104882107A (en) * 2015-06-03 2015-09-02 深圳市华星光电技术有限公司 Gate drive circuit
CN106128401A (en) * 2016-08-31 2016-11-16 深圳市华星光电技术有限公司 A kind of bilateral array base palte horizontal drive circuit, display panels, driving method
CN107221298A (en) * 2017-07-12 2017-09-29 深圳市华星光电技术有限公司 A kind of GOA circuits and liquid crystal display

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110910846A (en) * 2019-11-21 2020-03-24 Tcl华星光电技术有限公司 Display driving method and liquid crystal display device
CN111162114A (en) * 2020-03-05 2020-05-15 深圳市华星光电半导体显示技术有限公司 Display array substrate, display panel and display device

Also Published As

Publication number Publication date
WO2020024429A1 (en) 2020-02-06

Similar Documents

Publication Publication Date Title
CN106057147B (en) Shift register cell and its driving method, gate driving circuit, display device
EP3254277B1 (en) Shift register unit, related gate driver and display apparatus, and method for driving the same
US10217428B2 (en) Output control unit for shift register, shift register and driving method thereof, and gate driving device
CN100389452C (en) Shift register circuit and method of improving stability and grid line driving circuit
CN104103244B (en) Liquid-crystal display and bi-directional shift apparatus for temporary storage thereof
CN106128403B (en) Shift register cell, gate scanning circuit
CN107633834B (en) Shift register unit, driving method thereof, grid driving circuit and display device
CN101303896B (en) Shift buffer capable of reducing frequency coupling effect and shift buffer unit
US11200860B2 (en) Shift register unit, gate driving circuit and driving method thereof
CN106935168B (en) Shift register and display device
US10217422B2 (en) Array substrate, driving method thereof and electronic paper
CN107564459B (en) Shift register unit, grid driving circuit, display device and driving method
CN104050935A (en) Shift register, bidirectional shift temporary storage devices and liquid-crystal display panel applying bidirectional shift temporary storage devices
CN103198867A (en) Shift register, grid drive circuit and display device
US20200118474A1 (en) Gate driving circuity, method for driving the same and display device
CN104575411A (en) Liquid crystal display and bidirectional shift temporary storage device thereof
CN109326256B (en) Gate drive circuit and display device
CN114333679B (en) GOA unit, GOA circuit, driving method of GOA circuit and array substrate
CN105336300A (en) Shift register, grid drive circuit and display device
EP3086309A1 (en) Ramp signal generation circuit and signal generator, array substrate and display device
US11373569B2 (en) Display driving circuit
US10388244B2 (en) Display panel and driving method
CN115148166A (en) Scanning driving circuit, array substrate and display panel
CN109003587A (en) GOA circuit and HG2D dot structure with the GOA circuit
CN104464817B (en) Liquid crystal display device and its shift register

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20181214

RJ01 Rejection of invention patent application after publication