CN102981330B - Display panel - Google Patents
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- CN102981330B CN102981330B CN201210397534.3A CN201210397534A CN102981330B CN 102981330 B CN102981330 B CN 102981330B CN 201210397534 A CN201210397534 A CN 201210397534A CN 102981330 B CN102981330 B CN 102981330B
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- 238000010586 diagram Methods 0.000 description 50
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- 238000013461 design Methods 0.000 description 11
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- 239000002184 metal Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 6
- 230000002596 correlated effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
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- 239000010409 thin film Substances 0.000 description 4
- 230000001808 coupling effect Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
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Abstract
The invention provides a display panel, which is provided with a display area and a driving element area positioned at the periphery of the display area, and the display panel comprises a plurality of first signal lines, a plurality of second signal lines, a plurality of pixel units and a plurality of first transmission lines. The first signal line and the second signal line are positioned in the display area and are electrically connected with the pixel units positioned in the display area. The first transmission lines are positioned in the display area, and each first transmission line is electrically connected with one corresponding first signal line. The length of the first transmission line in the middle area of the display area is longest, and the lengths of the other first transmission lines on both sides of the longest first transmission line are gradually shortened along the arrangement direction.
Description
Technical field
The present invention relates to a kind of display panel, particularly relate to a kind of display panel with super multiple pixel cell.
Background technology
Along with the development in science and technology of making rapid progress, image display panel today society is seen everywhere, and is used in various electronic product widely as among flat computer, smart mobile phone or LCD TV.In order to preferably image display quality and visual effect, display panel design now, is all seeking, how in limited substrate space, to design large-area display block.Wherein, a kind of idea be by the electronic component reduced on integrated circuit or change electronic component configuration mode to reduce the area of non-display area, and relatively enlarged display area block, to obtain larger image display district.
For display panels (Liquid Crystal Display, LCD), the pel array in display panels generally includes active member and staggered many wires.In order to enable wire be connected with the driving element district in non-display area, and obtain the signal driving pixel, the surrounding of pel array often needs reserved many spaces.By arranging wire among these spaces, driving element is able to transmission of signal to pel array.But above-mentioned wire set-up mode adds the area of non-display area virtually.According to aforesaid idea, the configuration how changing wire or the number reducing wire in pel array, to reduce the area of non-display area, to obtain larger display block, are design of display panel problem to be solved at present.
Summary of the invention
The invention provides a kind of display panel, it has preferably space utilization.
The invention provides a kind of display panel, there is viewing area and the driving element district being positioned at periphery, viewing area.Display panel comprises many first signal wires, many secondary signal lines, multiple pixel cell and many first transmission lines.First signal wire and secondary signal line are arranged in viewing area, and are electrically connected with the pixel cell in viewing area.First transmission line is arranged in viewing area, and each first transmission line is electrically connected with corresponding first signal wire.The length being positioned at the first transmission line of viewing area zone line is the longest, and is positioned at other first transmission line of the longest first transmission line both sides, and its length shortens gradually according to orientation.
Based on above-mentioned, the display panel of one embodiment of the invention has many first transmission lines, many first signal wires and many secondary signal lines, is all arranged in viewing area.Each first transmission line is electrically connected to the first corresponding signal wire respectively.By the first transmission line of different length, it is online that the signal that driving element district exports can transfer to the first signal respectively, to drive each pixel cell on display panel.
For above-mentioned feature and advantage of the present invention can be become apparent, below especially exemplified by embodiment, and appended accompanying drawing is coordinated to be described in detail below.
Accompanying drawing explanation
Figure 1A is the schematic diagram of the display panel 100 shown by one embodiment of the invention;
Figure 1B is the partial schematic diagram of the display panel 100 region R1 in Figure 1A;
Fig. 1 C is in the display panel 100 of Figure 1B, along the sectional view of I-I ' profile line;
Fig. 2 A is the schematic diagram of a kind of display panel 100 shown by one embodiment of the invention;
Fig. 2 B is the partial schematic diagram of the display panel 100 region R2 in Fig. 2 A;
Fig. 2 C is the schematic diagram according to the another kind of picture element array structure shown by one embodiment of the invention;
Fig. 3 A is the schematic diagram of the display panel 100 shown by another embodiment of the present invention;
Fig. 3 B is the partial schematic diagram of the display panel 100 region R3 in Fig. 3 A;
Fig. 3 C is in the display panel 100 of Fig. 3 B, along the sectional view of II-II ' profile line;
Fig. 4 A is the schematic diagram of a kind of display panel 100 shown by another embodiment of the present invention;
Fig. 4 B is the partial schematic diagram of the display panel 100 region R4 in Fig. 4 A;
Fig. 5 A is the schematic diagram of the display panel 100 shown by further embodiment of this invention;
Fig. 5 B is the partial schematic diagram of the display panel 100 region R5 in Fig. 5 A;
Fig. 6 A is the schematic diagram of the display panel 100 shown by further embodiment of this invention;
Fig. 6 B is the partial schematic diagram of the display panel 100 region R6 in Fig. 6 A;
Fig. 7 A is the schematic diagram of the display panel 200 shown by one embodiment of the invention;
Fig. 7 B is the partial schematic diagram of the display panel 200 region R7 in Fig. 7 A;
Fig. 8 A is the schematic diagram of the display panel 200 shown by another embodiment of the present invention;
Fig. 8 B is the partial schematic diagram of the display panel 200 region R8 in Fig. 8 A;
Fig. 9 A is the schematic diagram of the display panel 200 shown by further embodiment of this invention;
Fig. 9 B is the partial schematic diagram of the display panel 200 region R9 in Fig. 9 A;
Figure 10 A is the schematic diagram of the display panel 200 shown by another embodiment of the present invention;
Figure 10 B is the partial schematic diagram of the display panel 200 region R10 in Figure 10 A;
Figure 11 A is the schematic diagram of the display panel 200 shown by another embodiment of the present invention;
Figure 11 B is the partial schematic diagram of the display panel 200 region R11 in Figure 11 A;
Figure 12 A is the schematic diagram of the display panel 200 shown by another embodiment of the present invention;
Figure 12 B is the partial schematic diagram of the display panel 200 region R12 in Figure 12 A.
Reference numeral
100,200: display panel 110,210: viewing area
120,120a, 120b, 220,220a, 220b: driving element district
130,230: the first signal wires 140,240: secondary signal line
150,250: pixel cell 152: active member
152a: gate electrode 152b: source electrode
152c: drain electrode 152d: semiconductor layer
152e: dielectric layer 10: substrate
Cs: storage capacitors W: contact window
153: share voltage electrode 154: pixel electrode
155: the first insulation courses 156: flatness layer
157: the second insulation courses 154: pixel electrode
160,260: the first transmission line 162,262: the first connected nodes
170,270: the second transmission line 172,272: the second connected nodes
252a: the first active member 252b: the second active member
254a: the first pixel electrode 254b: the second pixel electrode
L: void area R1 ~ R12: region
Embodiment
Figure 1A is the schematic diagram of the display panel 100 shown by one embodiment of the invention, and Figure 1B is the partial schematic diagram in the R1 region of display panel in Figure 1A, illustrates that it drives framework.With reference to Figure 1A and Figure 1B, display panel 100 comprises viewing area 110 and the driving element district 120 being positioned at periphery, viewing area 110.In addition, many first signal wires 130, many secondary signal lines 140, multiple pixel cell 150 and many first transmission lines 160 are also comprised in the viewing area 110 of display panel 100.In Figure 1B, the first signal wire 130 is not identical with the bearing of trend of secondary signal line 140, and each pixel cell 150 is electrically connected with the first signal wire 130 and secondary signal line 140 all respectively.In the present embodiment, the first signal wire 130 is sweep trace, secondary signal line 140 is data line, and pixel cell 150 comprises active member 152 and pixel electrode 154, and active member 152 is thin film transistor (TFT) (Thin Film Transistor, TFT).It should be noted that in other embodiments, the first signal wire 130 can be data line, secondary signal line 140 can for sweep trace, and active member can be the active member of other form and not being limited with the setting in the present embodiment.First signal wire 130, secondary signal line 140 form a pel array, in order to show image with pixel cell 150 in viewing area 110.
The display panels being thin film transistor (TFT) for display panel 100 (TFT-LCD), in the process of image display, be sweep trace in first this embodiment of signal wire 130() according to drive singal to open active member 152, be data line in this embodiment of secondary signal line 140() then data voltage is inputted pixel cell 150 to change the arrangement of corresponding liquid crystal molecule, thus change the GTG of pixel cell.In Figure 1B, first signal wire 130 be electrically connected be positioned at same row pixel cell 150, secondary signal line 140 then electric connection be positioned at the pixel cell 150 of same a line.Take turns scan flow often row pixel cell 150 by the first signal wire 130, and input data voltage by the secondary signal line 140 of correspondence respectively, reach the operation to each single pixel cell 150.
First signal wire 130 is provided by the driving element district 120 of periphery, viewing area 110 with the signal in secondary signal line 140.In the present embodiment, the first signal wire 130 is electrically connected by many first transmission lines 160 with driving element district 120.With reference to Figure 1A and Figure 1B, it is arrange in the mode of parallel many secondary signal lines 140 that the first transmission line 160 is arranged in viewing area 110.Each first transmission line 160 is electrically connected with corresponding first signal wire 130.In addition, in viewing area 110, be positioned at the first transmission line 160 of viewing area 100 middle body, namely the first transmission line 160 being positioned at zone line has the longest length, and all the other first transmission lines 160 are arranged in the both sides of the longest first transmission line 160 and shorten the length of the first transmission line 160 according to orientation gradually.In other words, the length being arranged in outermost first transmission line 160 is the length being relatively shorter than other the first transmission line 160.As aforementioned, each first transmission line 160 is all sweep trace with the first corresponding signal wire 130(in the present embodiment) be electrically connected, and electrical connection part has the first connected node 162.First transmission line 160 can make the first connected node 162 in viewing area 110, be arranged in the pattern of inverted v-shaped by above-mentioned arrangement mode, and the opening of inverted v-shaped is towards driving element district 120.In addition, the first transmission line 160 and secondary signal line 140(are data line in the present embodiment) jointly extend in driving element district 120, and the first signal wire 130 is electrically connected with Received signal strength by the first transmission line 160 with driving element district 120.
Generally speaking, display panel 100 will reach colour picture also must distinguish red, blue, green (RGB) three pixel region of look, by the allotment of three kinds of colors, display panel 100 forms desired image.In the present embodiment, viewing area 110 has multiple red pixel district, multiple blue pixel district and multiple green pixel district.In the present embodiment, the first connected node 162 is arranged in blue pixel district.Because the brightness in blue pixel district generally comes low compared with the brightness in red pixel district and green pixel district, therefore the first connected node 162 is arranged at the impact that blue pixel district can reduce the overall brightness on display panel.
With reference to Figure 1A and Figure 1B, in the present embodiment, display panel 100 also comprises many second transmission lines 170 be arranged in viewing area 110.Second transmission line 170, as the first transmission line 160, be parallel to secondary signal line 140, and each second transmission line 170 is electrically connected in viewing area 110 with corresponding first signal wire 130.It should be noted that the second transmission line 170 being positioned at viewing area zone line has the shortest length, and all the other second transmission lines 170 are arranged in the both sides of the shortest second transmission line 170, and increase the length of the second transmission line 170 gradually according to orientation.In other words, the length being arranged in outermost second transmission line 170 is the length of being relatively longer than other the second transmission line 170.Every bar second transmission line 170 is electrically connected part with the first corresponding signal wire 130 and has the second connected node 172.Relative to the inverted v-shaped arrangement of the first connected node 162 in viewing area 110, the arrangement of the second connected node 172 then forms a positive V-shaped, and the opening of positive V-shaped is towards the side not arranging driving element district.
By the setting of the first transmission line 160 and the second transmission line 170, the first signal wire 130 in Figure 1A does not need to arrange along periphery, viewing area to be electrically connected to driving element district 120.The signal in driving element district 120 is sent to each first signal wire 130(sweep trace by the first transmission line 160 and the second transmission line 170) sequentially scan the pixel cell 130 of every a line.Based on above-mentioned, the periphery of viewing area 110, owing to not needing headspace to arrange the first signal wire 130 extending viewing area 110, thus reduces the frame area of periphery, viewing area 110 with may correspond to, or expands the scope of viewing area 110.
In the present embodiment, the first transmission line 160 and the second transmission line 170 are arranged in the space between the pixel cell 150 in viewing area 110, as shown in Figure 1 C.Fig. 1 C is in the display panel 100 of Figure 1B, along the sectional view of I-I ' profile line.With reference to Figure 1B and Fig. 1 C, in the present embodiment, pixel cell 150 comprises active member 152 and pixel electrode 154.Active member 152 is thin film transistor (TFT) (TFT), it comprises gate electrode 152a, source electrode 152b, drain electrode 152c, semiconductor layer 152d and dielectric layer 152e, and gate electrode 152a, dielectric layer 152e, semiconductor layer 152d, source electrode 152b are sequentially stacked on substrate 10 with drain electrode 152c.Gate electrode 152a and the first signal wire 130(sweep trace) be electrically connected, and source electrode 152b and secondary signal line 140(data line) be electrically connected.In addition storage capacitors Cs is made up of drain electrode 152c, dielectric layer 152e and shared voltage electrode 153.On active member 152 with storage capacitors Cs, be also provided with the first insulation course 155, flatness layer 156, second insulation course 157 and pixel electrode 154.Share voltage electrode 153 and shared voltage source (not shown) are electrically connected to provide share voltage, and pixel electrode 154 is electrically connected by contact window W and active member 152.
As Fig. 1 C, when arranging the first transmission line 160 and the second transmission line 170, to mix in order to avoid signal or circuit connects each other, thus the first transmission line 160 and the second transmission line 170 being separated with active member 152 and storage capacitors Cs and arranging.In the present embodiment, the first transmission line 160 is positioned at not identical rete with the second transmission line 170, and the first transmission line 160 of part is overlap and be electrically insulated each other with the second corresponding transmission line 170.With reference to Fig. 1 C, the first transmission line 160 is arranged on dielectric layer 152e, and the second transmission line 170 is arranged on the first insulation course 155.In other words, the first transmission line 160 and the second transmission line 170 reach by the first insulation course 155 effect be electrically insulated between the two.
First transmission line 160 of part overlaps with the second corresponding transmission line 170, can reduce the impact of the pixel aperture ratio on pixel cell 150.In addition, the first connected node 162 that the first transmission line 160 is formed is in inverted v-shaped in viewing area 110, and the second connected node 172 that the second transmission line 170 is formed is then positive V-shaped in viewing area 110.According to Figure 1B, previous designs can reduce the scope that the first transmission line 160 and the second transmission line 170 overlap, to reduce the impact of coupling effect between the two.
As aforementioned, the first signal wire 130 and secondary signal line 140 can be respectively data line in pel array and sweep trace.Fig. 2 A is the schematic diagram of a kind of display panel 100 shown by one embodiment of the invention, and Fig. 2 B is the partial schematic diagram in the R2 region of display panel 100 in Fig. 2 A.In the present embodiment, the first signal wire 130 is data line, and secondary signal line 140 is sweep trace.With reference to Fig. 2 A and Fig. 2 B, first signal wire 130(data line) be electrically connected by many first transmission lines 160 and many second transmission lines 170 with driving element district 120, and the first transmission line 160 and the second transmission line 170 are be arranged in viewing area 110 in the mode of parallel secondary signal line (sweep trace) in Fig. 2 B.
In this embodiment, secondary signal line 140(sweep trace) sequentially scan often row pixel cell in viewing area, data voltage is then by the first transmission line 160 and the second transmission line 170, through the first signal wire 130(data line), input to corresponding pixel cell 150 from driving element district 120, reach the effect of operation individual pixel cells 150.Shown in Fig. 2 B, first transmission line 160 and the second transmission line 170 are arranged at the space between pixel cell 150, and to mix in order to avoid signal or circuit connects each other, the first transmission line 160 and the second transmission line 170 separate with active member 152 to arrange.In the present embodiment, the first transmission line 160 is positioned at not identical rete with the second transmission line 170, and the first transmission line 160 of part is overlap and be electrically insulated each other with the second corresponding transmission line 170.With reference to the pixel cell structure in Fig. 2 A, first transmission line 160 and the second transmission line 170 are be arranged on the first insulation course 155 in this embodiment, and need laying one layer insulating (not shown) between the first transmission line 160 overlapped and the second transmission line 170, reach the effect be electrically insulated between the two.In addition, source electrode and the first signal wire 130(data line) be electrically connected, and gate electrode and secondary signal line 140(sweep trace) be electrically connected.All the other elements arrange and aforementioned Figure 1A ~ 1C and related embodiment similar, do not repeat them here.
In viewing area 110, the structure of pel array can change along with design.For example, Fig. 2 C is the schematic diagram according to the another kind of picture element array structure shown by one embodiment of the invention.With reference to Fig. 2 C, the pixel cells 150 of adjacent two row can be electrically connected to the first identical signal wire 130(in this embodiment be data line), and with the pixel cell 150 of a line can be electrically connected to respectively two different secondary signal line 140(in this embodiment be sweep trace).Therefore, compared with the pel array in earlier figures 2B, the first signal wire 130(data line) number be reduced to half, secondary signal line 140(sweep trace) number for then to increase to twice.With reference to the transmission line set-up mode of previous embodiment, then the first required transmission line 160 and the second transmission line 170 quantity summation, is only the half of previous embodiment, can reduces and arrange expending and the time of transmission line.
The set-up mode of the first transmission line 160 and the second transmission line 170 is not limited with said method, and can change according to the design of the structure of pel array or viewing area 110.Fig. 3 A is the schematic diagram of a kind of display panel 100 shown by another embodiment of the present invention, and Fig. 3 B is the partial schematic diagram of the display panel 100 region R3 in Fig. 3 A, and Fig. 3 C is the sectional view along II-II ' profile line in the display panel 100 of Fig. 3 B.The present embodiment is similar to the embodiment of above-mentioned Figure 1A to Fig. 1 C, and therefore identical element represents and no longer repeat specification with identical symbol.In the present embodiment, the first transmission line 160 and the second transmission line 170 are positioned at same rete and do not overlap each other and arrange.
Simultaneously with reference to Fig. 3 A, Fig. 3 B and Fig. 3 C, the first transmission line 160 and the first signal wire 130 are electrically connected part and have the first connected node 162, and the second transmission line 170 and the first signal wire 130 are electrically connected part and have the second connected node 172.In the present embodiment, the first signal wire 130 is sweep trace, and secondary signal line 140 is data line.First connected node 162 is inverted v-shaped arrangement in viewing area 110, and the second connected node 172 is the arrangement of positive V-shaped in viewing area 110.Inverted v-shaped opening is towards driving element district 120, and positive v-shaped openings is towards the side not arranging driving element district.Because first transmission line 160 of the present embodiment and the second transmission line 170 be not for overlapping, therefore coupling effect is between the two less.In Fig. 3 C, the first transmission line 160 and the second transmission line 170 are all arranged on dielectric layer 152e, and are still between the two and are electrically insulated to avoid signal to mix or circuit connects each other.
Fig. 4 A is the schematic diagram of a kind of display panel 100 shown by another embodiment of the present invention, and Fig. 4 B is the partial schematic diagram in the R4 region of display panel in Fig. 4 A.In the present embodiment, the first signal wire 130 is data line, and secondary signal line 140 is sweep trace.First transmission line 160 and the second transmission line 170 are electrically connected to the first corresponding signal wire 130(data line respectively), to input data voltage in pixel cell 150.First transmission line 160 and the second transmission line 170 not for overlapping, but are arranged at the space between pixel cell 150 abreast.With reference to the pixel cell structure of figure 3C, in this embodiment, the first transmission line 160 and the second transmission line 170 are all arranged at (not shown) on the first insulation course 155, and are electrically insulated between the two to avoid signal to mix or circuit connects each other.All the other elements are arranged, and please refer to Fig. 2 A ~ 2B, do not repeat them here.In addition, the first transmission line 160 in Fig. 4 A and the method to set up of the second transmission line 170, be arranged in the pel array of Fig. 2 C with also may correspond to.
Fig. 5 A is the schematic diagram of the display panel 100 shown by further embodiment of this invention, and Fig. 5 B is the partial schematic diagram of the display panel 100 region R5 in Fig. 5 A.The present embodiment is similar to the embodiment of above-mentioned Figure 1A to Fig. 1 C, and therefore identical element represents and no longer repeat specification with identical symbol.In this embodiment, display panel 100 comprises the first driving element district 120a and the second driving element district 120b, lays respectively at the both sides that viewing area 110 is peripheral and relative.The first signal wire 130 in viewing area 110 is electrically connected to the first driving element district 120a or the second driving element district 120b with secondary signal line 140 its position visual or design alternative, and the first signal wire 130 is sweep trace in this embodiment, secondary signal line 140 is data line, and therefore the set-up mode of the first transmission line 160 and the second transmission line 170 is also different from aforesaid embodiment.
With reference to Fig. 5 A and Fig. 5 B, the first transmission line 160 and the second transmission line 170 are arranged in viewing area 110, and are parallel to secondary signal line 140.Each first transmission line 160 is electrically connected with the first corresponding signal wire 130, and electric connection part has the first connected node 162.Each second transmission line 170 is electrically connected with the first corresponding signal wire 130, and electric connection part has the second connected node 172.In this embodiment, zone line, namely the first transmission line 160 of viewing area 100 middle body and the second transmission line 170 have the longest length, and all the other first transmission lines 160 and the second transmission line 170 are arranged in the both sides of the longest first transmission line 160 and the longest second transmission line 170 respectively, and shorten the length of the first transmission line 160 and the second transmission line 170 gradually according to orientation.In other words, the length being arranged in outermost first transmission line 160 is the length being relatively shorter than other the first transmission line 160, and the length being arranged in outermost second transmission line 170 is the length being relatively shorter than other the second transmission line 170.
Owing to having the first driving element district 120a and the second driving element district 120b, the secondary signal line (data line) 140 of the first transmission line 160 and part extends to the first driving element district 120a, and the second transmission line 170 extends to the second driving element district 120b with the secondary signal line (data line) 140 of another part.With regard to Figure 1A, the first connected node 162 close to the first driving element district 120a form an inverted v-shaped and v-shaped openings towards the first driving element district 120a, and form a positive V-shaped close to second connected node 172 of the second driving element district 120b and v-shaped openings towards the second driving element district 120b.
By arranging the mode in Liang Ge driving element district, in the present embodiment, the first transmission line 160 of part does not need overlapping with the second transmission line 170 or is arranged side by side in same a line pixel cell 150, pixel aperture ratio impact for pixel cell 150 is less, also can not produce coupling effect between signal wire because of overlap.Further, the first transmission line 160 extended by the first driving element district 120a and the second transmission line 170 extended by the second driving element district 120b, corresponding position has similar length.Therefore, there is preferably effect when the delay issue of balanced signal transmission.
Fig. 6 A is the schematic diagram of the display panel 100 shown by further embodiment of this invention, and Fig. 6 B is the partial schematic diagram of the display panel 100 region R6 in Fig. 6 A.In this embodiment, the first signal wire 130 is data line, and secondary signal line 140 is sweep trace.First transmission line 160 is extended by the first driving element district 120a and is electrically connected to the first corresponding signal wire 130(data line), and the second transmission line 170 is extended by the second driving element district 120b and is electrically connected to the first corresponding signal wire 130.With Fig. 5 category-A seemingly, the first transmission line 160 and the second transmission line 170 that are positioned at viewing area 110 zone line have the longest length, and the length of all the other first transmission lines 160 and the second transmission line 170 shortens gradually according to putting in order.By the first transmission line 160 and the second transmission line 170, first driving element district 120a and the second driving element district 120b data voltage inputed to the pixel cell 150 in viewing area 100.First transmission line 160 and the second transmission line 170 are in viewing area 110 and the space be arranged between pixel cell 150, and the first transmission line 160 extended has similar length with the second transmission line 170 on corresponding position.All the other elements are arranged, and please refer to Fig. 2 A ~ 2B, do not repeat them here.
Can be learnt by above-described three embodiments, no matter the first transmission line 160 and the spread pattern of the second transmission line 170 in viewing area 110 why, all utilize the space between pixel cell 150 to avoid having influence on the running of pixel cell 150 when arranging the first transmission line 160 and the second transmission line 170.As aforementioned, display panel 100 provided by the present invention also can have multi-form pel array design, and as the pel array in Fig. 2 C, and the design of the first transmission line 160 and the second transmission line 170 is still applicable to aforementioned multi-form pel array.Following content will enumerate another kind of picture element array structure as an example again, so that how more detailed description first transmission line 160 is incorporated in different pel arrays from the design of the second transmission line 170.
Fig. 7 A is the schematic diagram of the display panel 200 shown by one embodiment of the invention, and Fig. 7 B is the partial schematic diagram of the display panel 200 region R7 in Fig. 7 A.Display panel 200 comprises viewing area 210 and the driving element district 220 being positioned at periphery, viewing area 210.In addition, many first signal wires 230, many secondary signal lines 240, multiple pixel cell 250 and many first transmission lines 260 are also comprised in viewing area 210.The set-up mode of the first transmission line 260 is similar to the embodiment in Figure 1A with 1B, but the pixel cell 250 of the present embodiment has different designs.
In figure 7b, the first signal wire 230 is not identical with secondary signal line 240 bearing of trend, and each pixel cell 250 is electrically connected with the first signal wire 230 and secondary signal line 240 all respectively.In this embodiment, the first signal wire 230 is sweep trace, and secondary signal line is data line.Pixel cell 250 comprises the first active member 252a, the first pixel electrode 254a, the second active member 252b and the second pixel electrode 254b.First active member 252a be electrically connected to wherein first signal wire 230 and wherein secondary signal line 240, a first pixel electrode 254a be then electrically connected to the first active member 252a.Second active member 252b is electrically connected to the first active member 252a and another the first signal wire 230.Can learn by Fig. 7 B, the first active member 252a and the second active member 252b is electrically connected to two adjacent the first signal wires 230 respectively.Second pixel electrode 254b is then electrically connected to the second active member 252b.
Pixel cell 250 comprises two groups of sub-pixel unit, and wherein the first active member 252a is electrically connected to secondary signal line 240, and therefore the input of data voltage is by the conducting of operation first active member 252a to input to pixel cell 250.When display panel 200 is for inputting data voltage to the first pixel electrode 254a and the second pixel electrode 254b respectively, both the first signal wire 230 meeting conducting be simultaneously electrically connected with the first active member 252a and the second active member 252b is above-mentioned, now, the first pixel electrode 254a all receives identical data voltage with the second pixel electrode 254b.Then, utilize the first signal wire 230 conducting first active member 252a be electrically connected with the first active member 252a, now the second active member 252b is the state of not conducting, and only has the first pixel electrode 254a receive and upgrade the data voltage transmitted by secondary signal line 240.By above-mentioned method, the first pixel electrode 254a and the second pixel electrode 254b can store different data voltages respectively with image data displaying.
Due in the present embodiment, article one, secondary signal line 240 can provide data voltage to the first pixel electrode 254a and the second pixel electrode 254b respectively, and therefore the number of secondary signal line 240 is a half compared with secondary signal line 140 number of embodiment in Figure 1A ~ Fig. 1 C.Because the first active member 252a and the second active member 252b is electrically connected to same secondary signal line 240 jointly, make to produce a void area L between the first pixel electrode 254a and the second pixel electrode 254b, and the first transmission line 260 is arranged in void area L.In the present embodiment, display panel 200 can also comprise the second transmission line 270, and the set-up mode of the second transmission line 270 is similar to the second transmission line 170 set-up mode in Figure 1A ~ 1C.Therefore, the second transmission line 270 is also arranged in void area L, and overlaps with the first transmission line 260.In the present embodiment, in order to avoid the first transmission line 260 and the drain electrode being arranged in void area L produce short circuit, the first transmission line 260 and also comprise between active member 252a, 252b insulation course (not shown) is set.In other words, under the framework of this Fig. 7 B, if the grid of active member 252a, 252b of the present embodiment belongs to the first metal layer, source electrode and drain electrode belong to the second metal level, so the first transmission line 260 belongs to the 3rd metal level, and the second transmission line 270 belongs to the 4th metal level.All the other embodiments describing and please refer in Figure 1A ~ 1C of being correlated with, do not repeat them here.
Fig. 8 A is the schematic diagram of the display panel 200 shown by another embodiment of the present invention, and Fig. 8 B is the partial schematic diagram of the display panel 200 region R8 in Fig. 8 A.Pel array in the present embodiment is identical with the pel array in Fig. 7 A embodiment, and the first signal wire 230 is sweep trace, and secondary signal line 240 is data line, and the configuration mode of all the other elements is then similar to the configuration mode in Fig. 3 A ~ 3C embodiment.With reference to Fig. 8 B, the first transmission line 260 and the second transmission line 270 are positioned at same rete and do not overlap each other and arrange, and are all arranged in the void area L between the first pixel electrode 254a and the second pixel electrode 254b.All the other embodiments describing and please refer in Fig. 3 A ~ 3C of being correlated with, do not repeat them here.
Fig. 9 A is the schematic diagram of the display panel 200 shown by another embodiment of the present invention, and Fig. 9 B is the partial schematic diagram of the display panel 200 region R9 in Fig. 9 A.Pel array in the present embodiment is identical with the pel array in Fig. 7 A embodiment, and the first signal wire 230 is sweep trace, and secondary signal line 240 is data line, and the configuration mode of all the other elements is then similar to the configuration mode in Fig. 5 A ~ 5B embodiment.With reference to Fig. 9 A and 9B, display panel 200 comprises the first driving element district 220a and the second driving element district 220b, and the first transmission line 260 is arranged at the void area L between the first pixel electrode 254a and the second pixel electrode 254b, and extend to the first driving element district 220a.Second transmission line 270 is arranged at the void area L between the first pixel electrode 254a and the second pixel electrode 254b, and extends to the second driving element district 220b.All the other embodiments describing and please refer in Fig. 5 A ~ 5B of being correlated with, do not repeat them here.
Figure 10 A is the schematic diagram of the display panel 200 shown by another embodiment of the present invention, and Figure 10 B is the partial schematic diagram of the display panel 200 region R10 in Figure 10 A.Pel array in pel array in the present embodiment and Fig. 7 A embodiment is similar.With reference to Figure 10 A and Figure 10 B, therewith in embodiment, the first signal wire 230 is data line, and secondary signal line 240 is sweep trace.Pixel cell 250 has two groups of sub-pixel unit, and wherein the first active member 252a is electrically connected to the first signal wire 230, and therefore the input of data voltage is by the conducting of operation first active member 252a to input to pixel cell 250.When display panel 200 is for inputting data voltage to the first pixel electrode 254a and the second pixel electrode 254b respectively, both the secondary signal line 240 meeting conducting be simultaneously electrically connected with the first active member 252a and the second active member 252b is above-mentioned, now, the first pixel electrode 254a all receives identical data voltage with the second pixel electrode 254b.Then, utilize the secondary signal line 240 conducting first active member 252a be electrically connected with the first active member 252a, now the second active member 252b is the state of not conducting, and only has the first pixel electrode 254a to receive and upgrade the data voltage transmitted by the first signal wire 230.By above-mentioned method, the first pixel electrode 254a and the second pixel electrode 254b can store different data voltages respectively with image data displaying.
First transmission line 260 and the second transmission line 270 are arranged at the space between pixel cell 250, and in Figure 10 B, the second transmission line 270 and the first transmission line 260 overlap.First transmission line 260 and the second transmission line 270, when arranging, also need grid and the first signal wire 230 of crossing over active member 252a, 252b.In other words, under the framework of this Figure 10 B, if the active member 252a of the present embodiment, the grid of 252b belongs to the first metal layer, first signal wire 230(source electrode) be belong to the second metal level, so the first transmission line 260 belongs to the 3rd metal level, and the second transmission line 270 belongs to the 4th metal level.All the other embodiments describing and please refer in Fig. 2 A ~ 2B of being correlated with, do not repeat them here.
Figure 11 A is the schematic diagram of the display panel 200 shown by another embodiment of the present invention, and Figure 11 B is the partial schematic diagram of the display panel 200 region R11 in Figure 11 A.Pel array in the present embodiment is identical with the pel array in Figure 10 A embodiment, and the first signal wire 230 is data line, and secondary signal line 240 is sweep trace, and the configuration mode of all the other elements is then similar to the configuration mode in Fig. 4 A ~ 4B embodiment.With reference to Figure 11 B, the first transmission line 260 and the second transmission line 270 are positioned at same rete and do not overlap each other and arrange, and are all arranged in the space between pixel cell 250.All the other embodiments describing and please refer in Fig. 4 A ~ 4B of being correlated with, do not repeat them here.
Figure 12 A is the schematic diagram of the display panel 200 shown by another embodiment of the present invention, and Figure 12 B is the partial schematic diagram of the display panel 200 region R12 in Figure 12 A.Pel array in the present embodiment is identical with the pel array in Figure 10 A embodiment, and the first signal wire 230 is data line, and secondary signal line 240 is sweep trace, and the configuration mode of all the other elements is then similar to the configuration mode in Fig. 6 A ~ 6B embodiment.With reference to Figure 12 A and 12B, display panel 200 comprises the first driving element district 220a and the second driving element district 220b, and the first transmission line 260 is arranged at the space between pixel cell 250, and extends to the first driving element district 220a.Second transmission line 270 is arranged at the space between pixel cell 250, and extends to the second driving element district 220b.All the other embodiments describing and please refer in Fig. 6 A ~ 6B of being correlated with, do not repeat them here.
In sum, display panel of the present invention utilizes the first transmission line be arranged in viewing area to be electrically connected the first signal wire to corresponding driving element district with the second transmission line.Not need to extend to outside viewing area due to the first signal wire and arrange to be electrically connected to driving element district around viewing area, the region of periphery, viewing area can be relative reduction to obtain the less display panel of size, namely there is the ultra-narrow frame display panel of super multiple pixel cell.In addition, above-mentioned set-up mode is still applicable in the structure of different pixels unit, and is not limited to single pixel cell structure.
Although the present invention discloses as above with embodiment; but itself and be not used to limit the present invention; any the technical staff in the technical field; without departing from the spirit and scope of the present invention; can do a little change and modification, therefore protection scope of the present invention should define with appending claims and is as the criterion.
Claims (19)
1. a display panel, is characterized in that, comprise a viewing area and be positioned at a driving element district of this viewing area periphery, this display panel comprises:
Many the first signal wires and many secondary signal lines, be arranged in this viewing area;
Multiple pixel cell, is arranged in this viewing area and is electrically connected with those corresponding first signal wires and those corresponding secondary signal lines; And
Many the first transmission lines, be arranged in this viewing area, each first transmission line is electrically connected with corresponding first signal wire, the length being wherein positioned at this first transmission line of a zone line of this viewing area is the longest, and the length of those this first transmission line of the longest first transmission line both sides described in being positioned at shortens gradually according to an orientation.
2. display panel according to claim 1, is characterized in that, those first transmission lines and those secondary signal lines extend in this driving element district jointly.
3. display panel according to claim 2, is characterized in that, each first transmission line is electrically connected part with corresponding first signal wire and has one first connected node, and those first connected nodes are arranged in an inverted v-shaped in this viewing area.
4. display panel according to claim 3, is characterized in that, this viewing area comprises multiple red pixel district, multiple green pixel district and multiple blue pixel district, and those first connected nodes are arranged in those blue pixel districts.
5. display panel according to claim 2, it is characterized in that, also comprise many second transmission lines, be arranged in this viewing area and those secondary signal lines parallel setting, each second transmission line is electrically connected with corresponding first signal wire, the length being wherein positioned at this second transmission line of this zone line of this viewing area is the shortest, and the length of those this second transmission line of the shortest second transmission line both sides described in being arranged in increases gradually.
6. display panel according to claim 5, is characterized in that, those first transmission lines and those the second transmission lines are positioned at not identical rete, and those first transmission lines of part and those the second transmission lines overlap and be electrically insulated each other.
7. display panel according to claim 6, is characterized in that, each second transmission line is electrically connected part with corresponding first signal wire and has one second connected node, and those second connected nodes are arranged in a positive V-shaped in this viewing area.
8. display panel according to claim 7, is characterized in that, this viewing area comprises multiple red pixel district, multiple green pixel district and multiple blue pixel district, and those second connected nodes are arranged in those blue pixel districts.
9. display panel according to claim 5, is characterized in that, those first transmission lines and those the second transmission lines are positioned at same rete and do not overlap each other and arrange.
10. display panel according to claim 9, is characterized in that, each second transmission line is electrically connected part with corresponding first signal wire and has one second connected node, and those Section Points are arranged in a positive V-shaped in this viewing area.
11. display panels according to claim 10, is characterized in that, this viewing area comprises multiple red pixel district, multiple green pixel district and multiple blue pixel district, and those second connected nodes are arranged in those blue pixel districts.
12. display panels according to claim 1, it is characterized in that, also comprise many second transmission lines, be arranged in this viewing area and those secondary signal lines parallel setting, each second transmission line is electrically connected with corresponding first signal wire, the length being wherein positioned at this second transmission line of this zone line of this viewing area is the longest, and the length of those this second transmission line of the longest second transmission line both sides described in being arranged in shortens gradually, wherein:
This driving element district comprises the first driving element district and the one second driving element district of the relative both sides being positioned at this viewing area;
Those secondary signal lines of those first transmission lines and part extend in this first driving element district jointly; And
Those secondary signal lines of those second transmission lines and another part extend in this second driving element district jointly.
13. display panels according to claim 12, is characterized in that,
Each first transmission line is electrically connected part with corresponding first signal wire and has one first connected node, and those first nodes are arranged in an inverted v-shaped in this viewing area, and
Each second transmission line is electrically connected part with corresponding first signal wire and has one second connected node, and those Section Points are arranged in a positive V-shaped in this viewing area.
14. display panels according to claim 13, it is characterized in that, this viewing area comprises multiple red pixel district, multiple green pixel district and multiple blue pixel district, and those first connected nodes and those the second connected nodes are arranged in those blue pixel districts.
15. display panels according to claim 12, is characterized in that, those first transmission lines and those the second transmission lines are positioned at same rete and do not overlap each other and arrange.
16. display panels according to claim 1, is characterized in that, each pixel cell comprises:
One first active member, is electrically connected wherein first signal wire and wherein a secondary signal line;
One first pixel electrode, is electrically connected this first active member;
One second active member, is electrically connected another first signal wire and this first active member; And
One second pixel electrode, is electrically connected this second active member.
17. display panels according to claim 16, it is characterized in that, this first active member and this second active member are electrically connected same secondary signal line jointly, to make, between this first pixel electrode and this second pixel electrode, there is a void area, and the first corresponding transmission line is set in this void area.
18. display panels according to claim 1, is characterized in that, those first signal wires are respectively multi-strip scanning line, and those secondary signal lines are respectively a plurality of data lines.
19. display panels according to claim 1, is characterized in that, those first signal wires are respectively a plurality of data lines, and those secondary signal lines are respectively multi-strip scanning line.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101133029A TWI489185B (en) | 2012-09-10 | 2012-09-10 | Display panel |
| TW101133029 | 2012-09-10 |
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| Publication Number | Publication Date |
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| CN102981330A CN102981330A (en) | 2013-03-20 |
| CN102981330B true CN102981330B (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210397534.3A Expired - Fee Related CN102981330B (en) | 2012-09-10 | 2012-10-18 | Display panel |
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| TW (1) | TWI489185B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI518426B (en) | 2014-11-28 | 2016-01-21 | 友達光電股份有限公司 | Display panel |
| CN104516145A (en) * | 2014-12-31 | 2015-04-15 | 深圳市华星光电技术有限公司 | Touch liquid crystal display panel and manufacture method thereof |
| US10424602B2 (en) | 2017-05-12 | 2019-09-24 | Au Optronics Corporation | Display panel |
| CN111373545A (en) * | 2017-11-06 | 2020-07-03 | 深圳市柔宇科技有限公司 | Display panel and display screen |
| TWI662327B (en) | 2018-02-09 | 2019-06-11 | 友達光電股份有限公司 | Display panel |
| CN112542145B (en) | 2019-09-18 | 2021-12-31 | 友达光电股份有限公司 | Display panel |
| TWI708105B (en) * | 2019-10-17 | 2020-10-21 | 友達光電股份有限公司 | Pixel array substrate |
| TWI772113B (en) | 2021-07-19 | 2022-07-21 | 友達光電股份有限公司 | Circuit substrate |
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| JPH11305681A (en) * | 1998-04-17 | 1999-11-05 | Casio Comput Co Ltd | Display device |
| KR20030026588A (en) * | 2001-09-26 | 2003-04-03 | 삼성전자주식회사 | Thin film transistor plate and liquid crystal display |
| CN101477285A (en) * | 2009-02-09 | 2009-07-08 | 友达光电股份有限公司 | Display equipment and method for equalizing load effect of display equipment |
| CN102243838A (en) * | 2010-05-12 | 2011-11-16 | 三星移动显示器株式会社 | Display device |
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| JP3948883B2 (en) * | 2000-06-19 | 2007-07-25 | シャープ株式会社 | Liquid crystal display |
| JP4564078B2 (en) * | 2008-04-28 | 2010-10-20 | 東京エレクトロン株式会社 | Substrate processing equipment |
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2012
- 2012-09-10 TW TW101133029A patent/TWI489185B/en not_active IP Right Cessation
- 2012-10-18 CN CN201210397534.3A patent/CN102981330B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH11305681A (en) * | 1998-04-17 | 1999-11-05 | Casio Comput Co Ltd | Display device |
| KR20030026588A (en) * | 2001-09-26 | 2003-04-03 | 삼성전자주식회사 | Thin film transistor plate and liquid crystal display |
| CN101477285A (en) * | 2009-02-09 | 2009-07-08 | 友达光电股份有限公司 | Display equipment and method for equalizing load effect of display equipment |
| CN102243838A (en) * | 2010-05-12 | 2011-11-16 | 三星移动显示器株式会社 | Display device |
| CN102478736A (en) * | 2010-11-20 | 2012-05-30 | 乐金显示有限公司 | Array substrate for liquid crystal display device and liquid crystal display device including the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102981330A (en) | 2013-03-20 |
| TWI489185B (en) | 2015-06-21 |
| TW201411254A (en) | 2014-03-16 |
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