CN105653087A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN105653087A CN105653087A CN201510992592.4A CN201510992592A CN105653087A CN 105653087 A CN105653087 A CN 105653087A CN 201510992592 A CN201510992592 A CN 201510992592A CN 105653087 A CN105653087 A CN 105653087A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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Abstract
The invention discloses a display panel and a display device. The display panel comprises a display area and a border area, wherein the display area comprises first signal lines and second signal lines; the border area comprises fan-shaped lines and a semiconductor chip; the fan-shaped lines comprise first fan-shaped lines and second fan-shaped lines; the semiconductor chip comprises first terminals and second terminals; the first terminals are located in the middle area of the semiconductor chip; the second terminals are located on two sides of the first terminals; the quantity of the first terminals is less than the quantity of the second terminals; one ends of the first fan-shaped lines are electrically connected with the first terminals and the other ends of the first fan-shaped lines are electrically connected with the first signal lines; and one ends of the second fan-shaped lines are electrically connected with the second terminals and the other ends of the second fan-shaped lines are electrically connected with the second signal lines. Through the structural design, the heights of the fan-shaped line areas of the display panel can be reduced, and the narrow-border design of the display panel is easy to realize.
Description
Technical field
The present invention relates to display field, in particular to a kind of display panel and display unit.
Background technology
In recent years, touch-screen has become the research focus of display industry. Relative to traditional such as input mode such as mouse, keyboard, touch-screen have simple to operate, be easy to the favor that the advantage such as integrated enjoys electronic display unit, especially mobile terminal electronics. Along with electronics is to the development of the aspect such as frame frivolous, narrow, high resolving power, touch-screen also external hanging type structure inwardly embedded structural transformation gradually from the beginning. Wherein, In-cell touch panel structure, in simple terms, is integrated in touch electrode exactly in the substrate of display module, and does not need additionally to set up touch substrate outside display module, be easy to realize the lightening of display panel.
In order to reduce the interference of display, interior embedded touches the pattern that display equipment operationally generally adopts timesharing to drive, and is namely divided into the display driver stage within the scanning period of a frame and touches the control driving stage. Because display drive signals is different from touches control actuate signal, it is thus desirable at least two driving chip provide display drive signals respectively and touch control actuate signal, this not only adds the design cost of display panel, and it is unfavorable for the realization of the narrow frame of touch-control display panel. On the other hand, the signal wire in display panel is walked line (fanoutline) mainly through sector and is electrically connected with driving chip, and wherein, the height that sector walks line directly determines the size of display panel rim area. Along with display panel develops to high resolution, narrow frame direction, how reducing the height that sector walks line has become display panel manufacturer and has had to one of problem demanding prompt solution.
Summary of the invention
In view of this, the present invention provides a kind of display panel, comprises display space and rim area. Display space arranges the first signal wire and second signal line, rim area comprises sector and walks line and semi-conductor chip, wherein, described sector is walked line and is comprised the first sector and walk line and the 2nd sector walks line, semi-conductor chip comprises the first terminal and two-terminal, described first terminal is positioned at the region intermediate of described semiconductor chip regions, and described two-terminal is positioned at the both sides of described first terminal, and the quantity of described first terminal is less than the quantity of described two-terminal;One end that described first sector walks line is electrically connected with described first terminal, and the other end is electrically connected with described two-terminal, and one end that described 2nd sector walks line is electrically connected with described two-terminal, and the other end is electrically connected with described second signal line.
The present invention also provides a kind of display unit, applies display panel as above.
Compared with prior art, display panel provided by the invention and display unit at least have one of following outstanding advantage:
The structure design of display panel provided by the invention and display unit can realize the integrated of touch controllable function and display function with the use of a chips, and by the position of different classes of signal terminal on adjustment chip, reach the object effectively reducing fan-shaped Zou Xian district height on display panel, reduce the design cost of display panel and display unit, it is easy to realize the narrow frame design of display panel simultaneously.
Accompanying drawing explanation
Fig. 1 is a kind of display panel schematic diagram that prior art provides;
Fig. 2 is the distribution schematic diagram of semi-conductor chip upper terminal in the display panel that provides of Fig. 1;
Fig. 3 is the partial enlargement figure that in Fig. 1, dotted portion sector walks line;
Fig. 4 is a kind of display panel schematic diagram that embodiment of the present invention provides;
Fig. 5 is the distribution schematic diagram of semi-conductor chip upper terminal in the display panel that provides of Fig. 4;
Fig. 6 is the concrete principle schematic of the technique effect that embodiment of the present invention produces;
Fig. 7 is the array substrate schematic diagram of a kind of display panel that embodiment of the present invention provides;
Fig. 8 is a kind of display unit that embodiment of the present invention provides.
Embodiment
For enabling above-mentioned purpose, the feature and advantage of the present invention more become apparent, below in conjunction with drawings and embodiments, the present invention will be further described.
It should be noted that, having set forth detail in the following description so that fully understanding the present invention. But the present invention can be different from alternate manner described here implement with multiple, and those skilled in the art can do similar popularization when not running counter to intension of the present invention. Therefore the present invention is not by the restriction of following public embodiment.
Fig. 1 show a kind of display panel schematic diagram that existing design provides. As shown in Figure 1, display panel 10 comprises display space 11 and rim area 12. Display space 11 arranges many signal line 111, comprises the first signal wire 111a and second signal line 111b. Non-display district 12 comprises sector and walks line 121 and semi-conductor chip 122, and sector is walked line 121 and comprised the first sector and walk line 121a and the 2nd sector walks line 121b, semi-conductor chip 122 arranges multiple terminal 124, comprises the first terminal 124a and two-terminal 124b. As can be seen from Figure 1, sector is walked one end of line 121 and is electrically connected with the multiple terminals 124 on semi-conductor chip 122, and the other end is electrically connected with the signal wire 111 on display space 11. Therefore, Signal transmissions to sector is walked line 121 by terminal 124 by semi-conductor chip 122, then walks, by sector, the signal wire 111 that line 121 transfers to display space.
Fig. 2 is terminal 124 distribution schematic diagram of the display panel 10 semiconductor-on-insulator chip 122 shown in Fig. 1. As shown in Figure 2, semi-conductor chip 122 comprises the first terminal 124a and two-terminal 124b, first terminal 124a is positioned at the two ends of semi-conductor chip 122, and two-terminal 124b is positioned at the region intermediate of semi-conductor chip 122, and the quantity of the first terminal 124a is less than the quantity of two-terminal 124b. Display panel 10 as shown in Figure 1, wherein, first signal wire 111b is the data signal line that each pixel (not providing in figure) provides data signal in display space 11, and second signal line 111a is the touching signals line that each touch control electrode (not providing in figure) provides touching signals in display space 11.For those skilled in the art it should be appreciated that the quantity of data signal line will much larger than the quantity of touching signals line in display panel. Again because data signal line is walked line by sector and is electrically connected one by one with the terminal on semi-conductor, namely a first signal wire 111b as shown in Figure 1 walks, by first sector, the two-terminal 124b that line 121b is connected on semi-conductor chip 122. So, the quantity of the first terminal 124a will far fewer than the quantity of two-terminal 124b.
Display panel 10 as shown in Figure 1, sector walks line 121 and semi-conductor chip 122 is all positioned at rim area 12. Wherein, the height of semi-conductor chip 122 to be far smaller than the height that sector walks line 121, so, the height of rim area 12 to be reduced, it is necessary to the height walking line 121 by reducing sector realizes.
As shown in Figure 1, spacing between the first signal wire 111b of display space 11 is A, it is to be appreciated that, spacing A between first signal wire 111b is approximately pixel wide, because pixel wide is fixing in display panel, so, the spacing A between the first signal wire 111b is also constant. Simultaneously, for semi-conductor chip 122 as shown in Figure 2 that produces, on it, interval between arbitrary neighborhood two terminals is even and fixing, it is set to B,, namely interval between the sub-124a of adjacent first end, interval between adjacent two-terminal 124b, interval between adjacent first end 124a and two-terminal 124b are all B.
During display panel designs, in order to the electrical isolation ensureing that sector walks the stability of Signal transmissions between line and adjacent sector is walked between line, walk the gap needing to keep certain between line 121 with the sector of kind. Generally, in display panel, the width of semi-conductor chip is much less than the width of display space, and certain in order to ensure the distance that adjacent two sectors are walked between line, sector walks line needs the mode of connection adopting bending.
Fig. 3 show in Fig. 1 dotted portion the 2nd sector and walks the bending mode of connection schematic diagram of line 121b. As can be seen from Figure 3, the 2nd sector walks the height of line 121b broken line part 130Wherein N is the quantity that the 2nd sector walks line 121b, and C is that the 2nd sector walks the gap between line 121b adjacent traces, and B is the spacing between semi-conductor chip 122 upper terminal. It should be appreciated that the quantity N that the height h' of broken line part 130 and the 2nd sector walk line 121b is closely related: the height that the 2nd sector walks the broken line part of line 121b is walked the increase of line 121b quantity N along with the 2nd sector and increased, as indicated by the arrows in fig. 3. Therefore, in display panel, the height in fan-shaped Zou Xian district depends on to walk that the sector of that kind that line quantity is maximum walks line, and the height that such other sector walks line simultaneously determines primarily of the height h' of broken line part. In the display panel 10 shown in Fig. 1,2nd fan-shaped Zou Xian district 121b walks line quantity and to be walked line quantity higher than the first fan-shaped Zou Xian district 121a far away, therefore, the height in the fan-shaped Zou Xian district of display panel 10 is determined by the 2nd fan-shaped Zou Xian district 121b, height h as shown in Figure 1.
According to geometric relationship can also h '=(N-1) * cos �� of launch plan 3, wherein, �� is that the 2nd sector walks line 121b and semi-conductor chip 122 angle in X-direction. In display panel, the quantity of the signal wire of certain kind all requires to determine according to display, and for the signal wire of any one classification, N is not easy to change. Therefore, according to formula h '=(N-1) * cos ��, the height wanting to reduce broken line part can realize from the angle improving ��.Can obtaining according to formula, when �� increases, the height h' of the broken line part that sector walks line decreases. Due to ��, directly walk line to sector relevant with the position of the signal wire that two ends with it are connected respectively and terminal, and the position of signal wire is the requirement according to display space determines, so, increase the position that �� can only adjust terminal to realize, as can be seen from Figure 3, when terminal moves in X direction, it is about to walk �� value when the terminal that line is connected moves towards the direction walking the signal wire that line is connected with this sector with sector increase thereupon, so that sector walks the height reduction of line broken line part, the rim area size of whole display panel is shortened further.
According to above-mentioned principle, embodiment of the present invention provides a kind of display panel 20, as shown in Figure 4. Contact panel 20 comprises display space 21 and non-display district 22. Display space 21 comprises many signal line 211, comprise the first signal wire 211a and second signal line 211b, wherein, for the first signal wire 211b as providing the data signal line of data signal, second signal line 211a to be the touching signals line that each touch control electrode (not providing in figure) provides touching signals in display space 21 to each pixel (not providing in figure) in display space 21, the quantity of the first signal wire 211a is less than the quantity of second signal line 211b. Non-display district 22 comprises sector and walks line 221 and semi-conductor chip 222, and sector is walked line 221 and comprised the first sector and walk line 221a and the 2nd fan-shaped Zou Xian district 221b; Semi-conductor chip 222 arranges multiple terminal 224, comprises the first terminal 224a and two-terminal 224b. As can be seen from Figure 4, sector is walked one end of line 221 and is electrically connected with the multiple terminals 224 on semi-conductor chip 222, and the other end is electrically connected with the signal wire 211 on display space 21. Therefore, Signal transmissions to sector is walked line 221 by terminal 224 by semi-conductor chip 222, then walks, by sector, the signal wire 211 that line 221 transfers to display space. It should be noted that, above said electrical connection is all be electrically connected one by one. Because the quantity of the first signal wire 211a is less than the quantity of second signal line 211b, so, the quantity of the first terminal 224a is less than the quantity of two-terminal 224b.
Fig. 5 is the terminal distribution schematic diagram on the semi-conductor chip 222 of display panel 20 shown in Fig. 4, and wherein, the first terminal 224a is positioned at the region intermediate of semiconductor chip regions 222, and two-terminal 224b is positioned at the both sides of the first terminal 224a. Difference with the prior art is, the first terminal 224a of comparatively small amt is placed in the region intermediate of semi-conductor chip 222 by the semi-conductor chip 222 that embodiment of the present invention provides, and a fairly large number of two-terminal 224b lays respectively at the two ends of semi-conductor chip 222. Namely relative to prior art, a fairly large number of two-terminal 224b is moved by embodiment of the present invention toward the two ends of semi-conductor chip. The effect of design is like this, for the two-terminal 224b being arranged in (i.e. the X1 direction of Fig. 4) part on the left of the first terminal 224a, the 2nd sector can be improved and walk line 221b and semi-conductor chip 222 angle �� 1 in X1 direction, for the two-terminal 224b being arranged in (i.e. the X2 direction of Fig. 4) on the right side of the first terminal 224a part, it is possible to improve the 2nd sector and walk line 221b and semi-conductor chip 222 angle �� 2 in X2 direction. Be arranged in (i.e. the X1 direction of figure) on the left of the first terminal 224a part two-terminal 224b so that this kind of technique effect to be described, as shown in Figure 6, when two-terminal turns into the position at 224b place from the position at 124b place, the angle that 2nd sector walks line and semi-conductor chip turns into �� 1 from ��, according to formula h '=(N-1) * cos ��, after �� increases, h' decreases.Therefore, the design can reduce the height that the 2nd sector walks the broken line part of line 221b, thus reduces the height that the 2nd sector walks line 221b. As previously mentioned, in display panel fan-shaped walk line height walk line primarily of the classification sector that quantity is many and determine, the height that namely in embodiment of the present invention, the 2nd sector in display panel 20 walks line 221b determines. Therefore, embodiment of the present invention is by moving a fairly large number of two-terminal 224b toward the two ends of semi-conductor chip, it is possible to reduce the height H that the 2nd sector being electrically connected with two-terminal 224b walks line 221b, thus reduces the height that display panel sector walks line.
Embodiment of the present invention, not needing to reach and reduce the object that display panel sector walks line height under the prerequisite reducing signal wire quantity and increasing semi-conductor chip width, is easy to realize the narrow frame design of display panel.
Preferably, the quantity of the two-terminal 224b being positioned at the first terminal 224a both sides in embodiment of the present invention is equal, namely ensures that �� 1 is equal with �� 2. The benefit of design is can reduce the height that the 2nd sector walks line 221b substantially like this, is beneficial to the narrow frame design of display panel.
It should be noted that, in embodiment of the present invention, the first sector walks line 221a and the 2nd sector is walked line 221b and is positioned at different conductive layers, walks line 221a to avoid the first sector and walks the normal operation intersecting between line 221b and producing signal interference display panel with the 2nd sector.
Specifically, in the display panel that embodiment of the present invention provides, first signal wire 211a is touch control electrode line, second signal line 211b is data line, first sector is walked line 221a and is walked line for touching control sector, it is that data line sector walks line that 2nd sector walks line 221b, and the first terminal 224a is for touching control terminal, and two-terminal 224b is data signal terminal.
It should be noted that, the set-up mode that the first signal wire 211a of the display panel that embodiment of the present invention provides and the first sector walk line 221a is not limited to the mode shown in Fig. 4, and this is not limited by the present invention.
It should be noted that, in present specification, the thickness of illustrated first signal wire and second signal line is just in order to distinguish the first signal wire and second signal line, does not represent the thickness of the first signal wire and second signal line in actual product. Equally, the quantity of the first signal wire and second signal line also just exemplarily illustrates, does not represent the first signal wire and the actual quantity of second signal line. The quantity of the first terminal and two-terminal also just exemplarily illustrates that the quantity of the first terminal is significantly less than the quantity of two-terminal, does not represent the quantity of the first terminal and two-terminal in actual product.
Fig. 7 show the section structure schematic diagram of the display panel 20 that embodiment of the present invention provides, the second substrate 240 comprising first substrate 230 and arranging relative to first substrate 230, and the medium layer 250 between first substrate 230 and second substrate 240. Wherein, first substrate 230 arranging multiple public electrode 232, public electrode 232 concurrent multiplexing is touch control electrode in embodiments of the present invention. When public electrode is multiplexed with touch control electrode, the first terminal 224a can also provide public voltage signal, two-terminal 224b can also provide with touching signals same-phase, with the signal of amplitude. Now, display panel 20 adopts the pattern that timesharing drives, and within the scanning period of a frame, is divided into display stage and tactile control stage. In the display stage, the first terminal 224a provides public voltage signal to display panel 200, and two-terminal 224b provides data signal to display panel 20;Touch the control stage, first terminal 224a provides touching signals to display panel 20, two-terminal 224b provides and touching signals same-phase, signal with amplitude to display panel 20, thus reduce the level coupling capacity that alternately change produces between display space signal wire and public electrode, ensure the touch accuracy of contact panel.
It should be noted that, the array substrate of the display panel 20 that embodiment of the present invention provides is not limited to structural representation as shown in Figure 7.
As shown in Figure 8, embodiment of the present invention additionally provides a kind of display unit, and this display unit includes the display panel in above-described embodiment of embodiment of the present invention offer, and this display unit can be the mobile phone shown in Fig. 8, it is possible to think the display unit such as computer.
In sum, a kind of display panel provided by the invention and display unit, can touching signals and display be integrated in a chips, simultaneously by adjustment chip providing the first terminal of touching signals and provides the position of the two-terminal of data signal, walk line to reduce main sector (sector is walked a fairly large number of sector of line and walked line, the 2nd sector in corresponding embodiment of the present invention walks line) height, thus realize the design of the narrow frame of display panel.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations. For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a display panel, comprise display space and rim area, wherein said display space comprises the first signal wire and second signal line, rim area comprises sector and walks line and semi-conductor chip, wherein, described sector is walked line and is comprised the first sector and walk line and the 2nd sector walks line, described semi-conductor chip comprises the first terminal and two-terminal, described first terminal is positioned at the region intermediate of described semi-conductor chip, described two-terminal is positioned at the both sides of described first terminal, and the quantity of described first terminal is less than the quantity of described two-terminal; Wherein, one end that described first sector walks line is electrically connected with described first terminal, and the other end is electrically connected with described first signal wire, and one end that described 2nd sector walks line is electrically connected with described two-terminal, and the other end is electrically connected with described second signal line.
2. display panel as claimed in claim 1, wherein, the quantity that described two-terminal is positioned at described first terminal both sides is equal.
3. display panel as claimed in claim 1, wherein, described first sector walks line and described 2nd sector walks line layering setting.
4. display panel as claimed in claim 1, wherein, described first terminal is walked line by described first sector and is provided the first signal to described display panel, and described two-terminal is walked line by described 2nd sector and provided second signal to described display panel.
5. display panel as claimed in claim 1, wherein, described display panel comprises multiple pixel electrode and multiple public electrode. Wherein, described multiple public electrode is multiplexed with touch control electrode.
6. display panel as claimed in claim 4, wherein, described first signal is for touching control actuate signal, and described second signal is data signal.
7. display panel as claimed in claim 5, wherein, described first terminal can also provide the 3rd signal, and described two-terminal can also provide the 4th signal.
8. display panel as claimed in claim 7, wherein, described 3rd signal is public voltage signal, and described 4th signal is and the signal of described first signal same-phase with amplitude.
9. display panel as claimed in claim 5, adopts timesharing to drive pattern, and in the display stage, described first terminal provides described 3rd signal to described display panel, and described two-terminal provides described second signal to described display panel; In the tactile control stage, described first terminal provides described first signal to described display panel, and described two-terminal provides described 4th signal to described display panel.
10. a display unit, comprises display panel as claimed in claim 1.
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| CN201510992592.4A CN105653087B (en) | 2015-12-25 | 2015-12-25 | A kind of display panel and display device |
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| CN201510992592.4A CN105653087B (en) | 2015-12-25 | 2015-12-25 | A kind of display panel and display device |
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| CN106293252A (en) * | 2016-09-09 | 2017-01-04 | 上海中航光电子有限公司 | Array base palte and display device |
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