CN204614414U - Antimierophonic narrow border display - Google Patents
Antimierophonic narrow border display Download PDFInfo
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- CN204614414U CN204614414U CN201520171647.0U CN201520171647U CN204614414U CN 204614414 U CN204614414 U CN 204614414U CN 201520171647 U CN201520171647 U CN 201520171647U CN 204614414 U CN204614414 U CN 204614414U
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Abstract
A kind of antimierophonic narrow border display (20), comprise: the first driving circuit (22), have the first driving transistors (M22), the first driving transistors has the first area (B); Second driving circuit (13), control conducting and the cut-off of multiple pixel transistors (17) of viewing area (16), second driving circuit has the second driving transistors (M13), second driving transistors has second area (D), second area is greater than the first area, and the first driving circuit drives the second driving circuit; Source electrode drive circuit (14), couples with above-mentioned multiple pixel transistor, exports multiple display, shows a picture to make display.The beneficial effect implementing the antimierophonic narrow border display of the utility model is that display can realize the design requirement of narrow frame, reduces display affected by noise.
Description
Technical field
The utility model relates to field of display, more particularly, relates to a kind of antimierophonic narrow border display.
Background technology
Along with system combination formula face glass (SOG, system on glass) concept proposed successively, gated sweep driving circuit in circuit of display driving is incorporated on glass by recent many products, is GOA (gate driver on array) circuit.GOA circuit has many advantages, except reducing the area of display bezel to reach except narrow frame, more can reduce the use of gated sweep drive IC.
Please refer to Fig. 1, it is the circuit diagram of common display in prior art.As shown in the figure, display 10 comprises control circuit 11, multiple first driving circuit 12, multiple second driving circuit 13, source electrode drive circuit 14, pixel load 15 (pixel loading), viewing area 16, multiple pixel transistor 17, first driving circuit 12 comprises the first driving transistors M12, second driving circuit 13 comprises the second driving transistors M13, and the area A 1 of the first driving transistors M12 is identical with the area A 1 of the second driving transistors M13.
Moreover, because GOA circuit 12 designed at present needs control circuit 11 to provide baseband signal, and the signal intensity that control circuit 11 exports is higher, so first order GOA circuit 12 can be different from the signal intensity that follow-up GOA circuit 13 receives from the signal intensity that control circuit 11 receives in GOA circuit string.The characteristic of the sweep signal that so every one-level GOA circuit exports can be inconsistent.Therefore generally can arrange pixel load 15 in the periphery of viewing area 16, recycling pixel load 15 couples with first order GOA circuit 12, and the characteristic of the sweep signal that first order GOA circuit is exported is more consistent.
But aforesaid way meeting loss frame region A, and disagree with the requirement of narrow border display, therefore the utility model proposes the narrow border display being different from general settling mode, to overcome the problems referred to above.
Utility model content
The technical problems to be solved in the utility model is, above-mentioned pixel load and the first order GOA circuit of utilizing for prior art couples, and the more consistent mode of the characteristic of the sweep signal making first order GOA circuit export can the defect of loss frame region, provide a kind of antimierophonic narrow border display.
The utility model solves its technical matters, and the technical scheme adopted there is provided a kind of antimierophonic narrow border display, and comprise the first driving circuit, have the first driving transistors, the first driving transistors has the first area; Second driving circuit, control conducting and the cut-off of multiple pixel transistors of viewing area, the second driving circuit has the second driving transistors, and the second driving transistors has second area, second area is greater than the first area, and the first driving circuit drives the second driving circuit; Source electrode drive circuit, couples with those pixel transistors, exports multiple display, shows a picture to make display.
In the antimierophonic narrow border display of the utility model, the first area is 33% ~ 66% of second area.
In the antimierophonic narrow border display of the utility model, the first driving transistors has the first stray capacitance, and the second driving transistors has the second stray capacitance, and the capacitance of the first stray capacitance is less than the capacitance of the second stray capacitance.
In the antimierophonic narrow border display of the utility model, the first driving circuit is empty gate driver circuit, and the second driving circuit is gate driver circuit.
In the antimierophonic narrow border display of the utility model, also comprise: control circuit, couple with the first driving circuit, export start signal to the first driving circuit; Wherein, the first driving circuit is according to described start signal output drive signal to the second driving circuit, and the second driving circuit exports sweep signal, to be controlled conducting and the cut-off of those pixel transistors by sweep trace according to described drive singal.
Further, in the antimierophonic narrow border display of the utility model, also comprise the 3rd driving circuit, 3rd driving circuit is connected with the second driving circuit and is positioned at the first side or second side of the second driving circuit, when the second driving circuit simple scanning viewing area, first driving circuit and the 3rd driving circuit are positioned at the first side of the second driving circuit, when the second driving circuit bilateral scanning viewing area, first driving circuit is positioned at the first side of the second driving circuit, 3rd driving circuit is positioned at the second side of the second driving circuit, first driving circuit and the 3rd driving circuit are empty gate driver circuit, second driving circuit is gate driver circuit.
Implement antimierophonic narrow border display of the present utility model, there is following beneficial effect: without the need to when the periphery of viewing area arranges pixel load, the characteristic of sweep signal is also more consistent, reach the needs of narrow border display, and by gate driver circuit design of the present utility model, reduce display affected by noise.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the circuit diagram of common display in prior art;
Fig. 2 is the circuit diagram of the embodiment of the antimierophonic narrow border display of the utility model;
Fig. 3 is the circuit diagram of the embodiment of the gate driver circuit of the antimierophonic narrow border display of the utility model;
The schematic diagram of embodiment when Fig. 4 is the utility model antimierophonic narrow border display simple scanning;
The schematic diagram of embodiment when Fig. 5 is the utility model antimierophonic narrow border display bilateral scanning.
Symbol description:
| 10 | Display |
| 11 | Control circuit |
| 12 | First driving circuit |
| 13 | Second driving circuit |
| 14 | Source electrode drive circuit |
| 15 | Pixel load |
| 16 | Viewing area |
| 17 | Pixel transistor |
| 20 | Display |
| 22 | First driving circuit |
| 24 | 3rd driving circuit |
| 25 | Four-wheel drive circuit |
| 221 | Scanning element |
| 222 | Antinoise unit |
| 223 | Discharge circuit |
| A | Frame region |
| A1 | Area |
| B | First area |
| C | Frame region |
| Cb | Capacitor |
| C1k | Frequency signal |
| D | Second area |
| DRI | Drive singal |
| E | Forward scan |
| F | Reverse scan |
| H1 | First side |
| H2 | Second side |
| M12 | First driving transistors |
| M13 | Second drives crystal |
| M22 | First driving transistors |
| OUT(n) | Output terminal |
| S1 | Sweep signal |
| Vddf | Forward signal |
| Vddr | Reverse signal |
| VST | Start signal |
| VST1 | First start signal |
| VST2 | Second start signal |
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
Please refer to Fig. 2, it is the circuit diagram of the embodiment of the antimierophonic narrow border display of the present invention.As shown in the figure, display 20 comprises control circuit 11, multiple first driving circuit 22, multiple second driving circuit 13, source electrode drive circuit 14, viewing area 16, multiple pixel transistor 17.Control circuit 11, second driving circuit 13 and source electrode drive circuit 14 control viewing area 16, and to make viewing area 16 show a picture, wherein, the second driving circuit 13 is gate driver circuit (gate driver).First driving circuit 22 has the first driving transistors M22, and the first driving transistors M22 has the first area B, and the second driving circuit 13 has the second driving transistors M13, and the second driving transistors M13 has second area D.Second area D is greater than the first area B.
Moreover, control circuit 11 and the first driving circuit 22 couple, and export start signal VST to the first driving circuit 22, after first driving circuit 22 receives start signal VST from control circuit 11, drive singal DRI to the second driving circuit 13 is exported, to drive the second driving circuit 13 according to start signal VST.Second driving circuit 13 exports sweep signal to multiple pixel transistor 17, to control multiple pixel transistor 17 according to drive singal DRI.In other words, the second driving circuit 13 controls conducting and the cut-off of multiple pixel transistors 17 of viewing area 16 via sweep trace, with display frame.Source electrode drive circuit 14 couples multiple pixel transistor 17 and exports multiple display to viewing area 16, to make display 20 display frame.
Fig. 2 please be refer again to, in order to reach the requirement of narrow frame, the utility model is peripheral in viewing area 16, i.e. non-display area, do not arrange pixel load 15 (Fig. 1), the utility model like this has remarkable reduction in using the scope of frame region C scope in use frame region A of common display in prior art.Moreover, first driving circuit 22 of the present utility model does not couple viewing area 16, and do not control multiple pixel transistor 17, so the first driving circuit 22 is an empty gate driver circuit (Dummy gate driver) and can not exports sweep signal to viewing area 16.First driving circuit 22 is as the buffer circuit of the second driving circuit 13, so the start signal VST exported via the first driving circuit 22 buffer control circuit 11, the characteristic of the sweep signal that the second driving circuit 13 exports is comparatively even.
Moreover, have influence on the stable of sweep signal for reducing the first driving circuit 22 to produce noise, the area of the first driving transistors M22 of the first driving circuit 22 reduces by the utility model, and first driving transistors M22 mainly as the effect of discharge and recharge, so the area of the first driving transistors M22 reduces, significant effect is had to the reduction of noise.Wherein, the area of the first driving transistors M22 is 33% ~ 66% of the area of the second driving transistors M13.
In addition, the area of the first driving transistors M22 reduces and can have significant effect to the reduction of noise, and when reason is that the area of the first driving transistors M22 reduces, the capacitance of first stray capacitance of the first driving transistors M22 also and then diminishes.In like manner, the first driving transistors M22 has the first stray capacitance, and the second driving transistors M13 also has the second stray capacitance, and the capacitance of the first stray capacitance can be less than the capacitance of the second stray capacitance.The utility model like this reduces the impact of the first stray capacitance on sweep signal.
Please refer to Fig. 3, it is the circuit diagram of the embodiment of the gate driver circuit of the antimierophonic narrow border display of the utility model.First, accepting above-mentioned the utility model is reduced by the area of the first driving transistors M22, and the first stray capacitance reducing the first driving transistors M22 is on the impact of output terminal OUT (n).Moreover, first driving circuit 22 more can design one scan unit 221, primary antibodie element of noise 222, discharge circuit 223 and a capacitor Cb as shown in the third figure, and the first driving circuit 22 of the present utility model is used for the display 20 of simple scanning or bilateral scanning, and raising anti-noise effect.
In addition, when simple scanning or bilateral scanning, first driving circuit 22 more can receive forward signal Vddf, first start signal VST1, reverse signal Vddr, second start signal VST2 and frequency signal Clk etc., the utility model does not limit the application of the first driving circuit 22, and the area of the utility model to the first driving transistors M22 reduces and reduces the technological thought of noise effect, other field can be applied to equally, such as: power supply class or controller etc., so embodiment of the present utility model is only using field of display as explanation, and the technological thought of non-limiting the utility model only can be used for field of display.
Please refer to Fig. 4, the schematic diagram of embodiment when it is the utility model antimierophonic narrow border display simple scanning.As shown in the figure, display 20 also comprises the 3rd driving circuit the 24, three driving circuit 24 and the first driving circuit 22 is similarly empty gate driver circuit.When display 20 is simple scanning E, second driving circuit 13 simple scanning viewing area 16,3rd driving circuit 24 and the first driving circuit 22 are all arranged at the first side H1 of the second driving circuit 13, and the 3rd driving circuit 24 is connected the second driving circuit 13 with the first driving circuit 22 in the first side H1, using the buffer circuit as the second driving circuit 13.In addition, the 3rd driving circuit 24 and the first driving circuit 22 also can be arranged at the second side H2 of the second driving circuit 13, and it can also reach the running of simple scanning.Therefore, above-mentioned driving circuit 22,24 position that can arrange when being only simple scanning is described, and the setting position of non-limiting the utility model driving circuit 22,24.
Please refer to Fig. 5, the schematic diagram of embodiment when it is utility model antimierophonic narrow border display bilateral scanning.As shown in the figure, display 20 also comprises four-wheel drive circuit 25, four-wheel drive circuit 25 and the 3rd driving circuit 24 are all empty gate driver circuit, and right the present embodiment is only replace the explanation of the 3rd driving circuit 24 as bilateral scanning embodiment using four-wheel drive circuit 25.When display 20 bilateral scanning E, F viewing area 16, first driving circuit 22 is arranged at the first side H1 of the second driving circuit 13, four-wheel drive circuit 25 is arranged at the second side H2 of the second driving circuit 13, when second driving circuit 13 bilateral scanning E, F like this, first driving circuit 22 and four-wheel drive circuit 25 respectively can as the buffer circuits of the second driving circuit 13, to reduce the impact of noise on sweep signal.
In sum, the utility model is a kind of antimierophonic narrow border display, and it comprises the first driving circuit, the second driving circuit and source electrode drive circuit.First driving circuit has the first driving transistors, and the first driving transistors has one first area.Second driving circuit controls conducting and the cut-off of multiple pixel transistors of a viewing area, second driving circuit has the second driving transistors, second driving transistors has second area, and second area is greater than the first area, and the first driving circuit drives the second driving circuit.Source electrode drive circuit couples those pixel transistors and exports multiple display, shows a picture to make display.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing under the ambit that the utility model aim and claim protect, also can make a lot of form, these all belong within protection of the present utility model.
Claims (6)
1. an antimierophonic narrow border display, is characterized in that, comprise:
First driving circuit (22), has the first driving transistors (M22), and the first driving transistors has the first area (B);
Second driving circuit (13), control conducting and the cut-off of multiple pixel transistors (17) of viewing area (16), second driving circuit (13) has the second driving transistors (M13), second driving transistors has second area (D), second area (D) is greater than the first area (B), and the first driving circuit (22) drives the second driving circuit (13);
Source electrode drive circuit (14), couples with described multiple pixel transistor (17), exports multiple display, shows a picture to make display (20).
2. narrow border display according to claim 1, is characterized in that, the first area (B) is 33% ~ 66% of second area (D).
3. narrow border display according to claim 1, it is characterized in that, first driving transistors (M22) has the first stray capacitance, second driving transistors (M13) has the second stray capacitance, and the capacitance of the first stray capacitance is less than the capacitance of the second stray capacitance.
4. narrow border display according to claim 1, is characterized in that, the first driving circuit (22) is empty gate driver circuit, and the second driving circuit (13) is gate driver circuit.
5. narrow border display according to claim 1, is characterized in that, also comprise:
Control circuit (11), couples with the first driving circuit (22), exports start signal (VST) to the first driving circuit (22);
Wherein, first driving circuit (22) according to described start signal (VST) output drive signal (DRI) to the second driving circuit (13), second driving circuit (13) exports sweep signal (S1) according to described drive singal (DRI), to be controlled conducting and the cut-off of described multiple pixel transistor (17) by sweep trace.
6. narrow border display according to claim 1, is characterized in that, also comprise:
3rd driving circuit (24), 3rd driving circuit (24) is connected with the second driving circuit (13) and is positioned at the first side (H1) or the second side (H2) of the second driving circuit (13), when the second driving circuit (13) simple scanning viewing area (16), first driving circuit (22) and the 3rd driving circuit (24) are positioned at first side (H1) of the second driving circuit (13), when the second driving circuit (13) bilateral scanning viewing area (16), first driving circuit (22) is positioned at first side (H1) of the second driving circuit (13), 3rd driving circuit (24) is positioned at second side (H2) of the second driving circuit (13), first driving circuit (22) and the 3rd driving circuit (24) are empty gate driver circuit, second driving circuit (13) is gate driver circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520171647.0U CN204614414U (en) | 2015-03-25 | 2015-03-25 | Antimierophonic narrow border display |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520171647.0U CN204614414U (en) | 2015-03-25 | 2015-03-25 | Antimierophonic narrow border display |
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| Publication Number | Publication Date |
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| CN204614414U true CN204614414U (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520171647.0U Active CN204614414U (en) | 2015-03-25 | 2015-03-25 | Antimierophonic narrow border display |
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| CN (1) | CN204614414U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106157860A (en) * | 2015-03-25 | 2016-11-23 | 凌巨科技股份有限公司 | Antimierophonic narrow border display |
| CN106569650A (en) * | 2016-11-02 | 2017-04-19 | 武汉华星光电技术有限公司 | Touch panel and display device |
-
2015
- 2015-03-25 CN CN201520171647.0U patent/CN204614414U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106157860A (en) * | 2015-03-25 | 2016-11-23 | 凌巨科技股份有限公司 | Antimierophonic narrow border display |
| CN106569650A (en) * | 2016-11-02 | 2017-04-19 | 武汉华星光电技术有限公司 | Touch panel and display device |
| WO2018082170A1 (en) * | 2016-11-02 | 2018-05-11 | 武汉华星光电技术有限公司 | Touch panel and display device |
| CN106569650B (en) * | 2016-11-02 | 2020-03-10 | 武汉华星光电技术有限公司 | Touch panel and display device |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |