CN101587266A - Display unit - Google Patents

Display unit Download PDF

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Publication number
CN101587266A
CN101587266A CNA2009101506768A CN200910150676A CN101587266A CN 101587266 A CN101587266 A CN 101587266A CN A2009101506768 A CNA2009101506768 A CN A2009101506768A CN 200910150676 A CN200910150676 A CN 200910150676A CN 101587266 A CN101587266 A CN 101587266A
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Prior art keywords
signal
display device
lines
internal switching
line
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CNA2009101506768A
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CN101587266B (en
Inventor
李忠隆
王仓鸿
刘圣超
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AU Optronics Corp
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AU Optronics Corp
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Abstract

A display unit comprises a substrate, a plurality of first signal lines, a plurality of second signal lines and a plurality of first signal internal switching lines. The first and second lines are arranged in the display zone of the substrate in the manner of interlacement. The first signal internal switching lines are arranged in the display zone of the substrate, wherein each first signal internal switching line is electrically connected to a corresponding first signal line and arranged between the adjacent second signal lines. Each first signal internal switching line is intersected with a first signal line and has the same cross point with the first signal line. The invention causes all the signal lines to have the same loading effect by changing the configuration of signal lines or regulating the RC delay of partial signal lines, thus, the display unit will not have the bad effect on the display quality due to the non-uniform loading effect. The narrow-frame display unit can be achieved by setting the internal switching line by the display unit.

Description

Display device
Technical field
The invention relates to a kind of display device, refer to a kind of display device especially with homogenising load effect.
Background technology
Display device, liquid crystal indicator for example, it comprises lead or electrode structures such as the gate line that is arranged on the substrate, common line, data line and pixel electrode.On configuration, no matter be that design makes right or under some inevasible factor, meeting be crossed closely because of horizontal range and be made signal each other interact between each lead, produces load effect.When load effect also anisotropically is created in each pixel, promptly can be consistent for the effect of each pixel, and this uneven load effect can have a strong impact on display quality.Therefore in the design of display device, should do one's utmost to avoid the generation of uneven load effect.
Please refer to Fig. 1.Fig. 1 has illustrated the synoptic diagram of existing display device.As shown in Figure 1, existing display device 10 comprises substrate 12, and substrate 12 comprises viewing area 12D, surrounding zone 12P and chip bonding pad 12C.Display device 10 comprises a plurality of gate lines 14 and a plurality of data lines 16, be arranged in the viewing area 12D of substrate 12, wherein gate line 14 is orthogonal with data line 16, and two adjacent gate lines 14 define a pixel (inferior pixel) with adjacent two data lines 16.The surrounding zone 12P of display device 10 is provided with chip for driving 20, and an end of each data line 16 extends to chip bonding pad 12C by viewing area 12D, and electrically connects to receive data-signal with chip for driving 20.On the other hand, one end of each gate line 14 then extends to surrounding zone 12P by viewing area 12D, and be electrically connected to chip bonding pad 12C and chip for driving 20 electric connections by connecting lead 18, connect lead 18 by this and the signal that chip for driving 20 is sent can be sent to corresponding gate line 14.
As shown in Figure 1, the gate line 14 of existing display device 10 electrically connects by connection lead 18 that is arranged at surrounding zone 12P and chip for driving 20, yet, therefore can influence the display effect of display device 10 because it is different with the load effect that data line 16 produces with the sweep trace 14 that is positioned at viewing area 12D to be positioned at the connection lead 18 of surrounding zone 12P.In addition, connect lead 18 in order to lay, existing display device 10 must have larger area surrounding zone 12P, thereby can't have the design of narrow frame.
Summary of the invention
One of purpose of the present invention is to provide a kind of display device with narrow frame design and homogenising load effect.
For reaching above-mentioned purpose, the invention provides a kind of display device, comprise substrate, plurality of first signal lines, a plurality of secondary signal lines, and a plurality of first signal internal switching lines.Substrate comprises the viewing area.First signal wire is arranged in the viewing area of substrate.The secondary signal line is arranged in the viewing area of substrate, and wherein first signal wire and secondary signal line are staggered.The first signal internal switching line is arranged in the viewing area of substrate, and wherein each first signal internal switching line electrically connects with corresponding one first signal wire respectively, and each first signal internal switching line is arranged between the adjacent second signal line.Each first signal internal switching line intersects with first signal wire, and respectively first signal internal switching line and first signal wire have the point of crossing of similar number.
The present invention utilizes the configuration mode that changes signal wire, or the RC of adjustment member signal wire postpones, and makes all signal wires have identical load effect, and display device can not produce harmful effect to display quality owing to uneven load effect by this.In addition, utilization of the present invention is provided with the mode of internal forwarding line, can realize out the display device of narrow frame.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 has illustrated the synoptic diagram of existing display device.
Fig. 2 has illustrated the synoptic diagram of the display device of first preferred embodiment of the present invention.
Fig. 3 has illustrated the synoptic diagram of the display device of second preferred embodiment of the present invention.
Fig. 4 has illustrated the synoptic diagram of the display device of the 3rd preferred embodiment of the present invention.
Drawing reference numeral
10 display device, 12 substrates
12C chip bonding pad, 12D viewing area
14 gate lines, 16 data lines
18 connect lead 20 chip for driving
30 display device, 32 substrates
32P surrounding zone, 32D viewing area
32C chip bonding pad 34 first signal wires
342 second groups of first signal wires of 341 first group of first signal wire
35 attachment plugs, 36 secondary signal lines
38 first signal internal switching lines, 40 chip for driving
The 40A first signal driver 40B secondary signal driver
Outside patchcord 50 display device of 42 first signals
60 display device
Embodiment
For making the those skilled in the art that have the knack of the technical field of the invention can further understand the present invention, hereinafter the spy enumerates several preferred embodiments of the present invention, and conjunction with figs., describe in detail constitution content of the present invention and the effect desiring to reach.
Please refer to Fig. 2.Fig. 2 has illustrated the synoptic diagram of the display device of first preferred embodiment of the present invention.As shown in Figure 2, the display device 30 of present embodiment comprises substrate 32, and substrate 32 comprises viewing area 32D, surrounding zone 32P and chip bonding pad 32C.In the present embodiment, display device 30 can be liquid crystal indicator, but not as limit, and can be other all types of display device.Display device 30 comprises plurality of first signal lines 34, a plurality of secondary signal lines 36, and a plurality of first signal internal switching lines 38 are arranged in the viewing area 32D of substrate 32, and wherein each first signal internal switching line 38 electrically connects with corresponding one first signal wire 34 respectively.First signal wire 34 is orthogonal substantially with interlace mode setting and both with secondary signal line 36, and the first signal internal switching line 38 is parallel to each other with secondary signal line 36 substantially; In addition, the first signal internal switching line 38 is provided with the interval over-over mode with secondary signal line 36, that is respectively first signal internal switching line 38 is arranged between the adjacent second signal line 36, but not as limit.Display device 30 comprises a chip for driving 40 in addition, be arranged in the chip bonding pad 32C of substrate 32, wherein chip for driving 40 comprises that at least one first signal driver 40A and the first signal internal switching line 38 electrically connect, and at least one secondary signal driver 40B and 36 electric connections of secondary signal line.In the present embodiment, first signal wire 34 is a gate line, and secondary signal line 36 is a data line; In addition, the first signal driver 40A is a gate drivers, and secondary signal driver 40B is a source electrode driver.By the setting of the first signal internal switching line 38, gate drivers can provide signal to gate line by the first signal internal switching line 38, and source electrode driver then directly provides data-signal to data line.Application of the present invention is not as limit, for example first signal wire 34 can be data line, and secondary signal line 36 can be gate line, and data line electrically connects by the first signal internal switching line 38 and source electrode driver under this situation, the then direct and gate drivers electric connection of gate line.
In the present embodiment, each first signal internal switching line 38 intersects with first signal wire 34, and the first signal internal switching line 38 has identical length substantially, therefore each first signal internal switching line 38 can intersect with the first all signal wires 34 and overlap in vertical direction and form the point of crossing, and respectively first signal internal switching line 38 and first signal wire 34 have the point of crossing of similar number.For instance, if the resolution of display device 30 is 800 * 600, it is 600 as the number of first signal wire 34 of gate line in the present embodiment then, and respectively first signal internal switching line 38 is except electrically connecting by attachment plug 35 with corresponding first signal wire 34, and other and other 599 first signal wire 34 parts overlap and intersect but not electric connection.The first signal internal switching line 38 can produce load because of coupling effect with intersecting of first signal wire 34, and because each first signal internal switching line 38 of present embodiment is all identical with the number of the point of crossing of first signal wire 34, therefore each first signal internal switching line 38 can produce similar load effect, the load effect that can make display device 30 have homogenising by this, and promote the display quality of display device 30.
For the purpose of simplifying the description and be convenient to difference between the comparison various embodiments of the present invention, use components identical symbol mark components identical among the embodiment that below the present invention, discloses, and no longer counterweight post-equalization part is done identical giving unnecessary details.Please refer to Fig. 3.Fig. 3 has illustrated the synoptic diagram of the display device of second preferred embodiment of the present invention.As shown in Figure 3, owing to show under the resolution specification at some, the number of the number of the first signal internal switching line 38 and secondary signal line 36 possibly can't mate, therefore the space between the adjacent second signal line 36 can't hold the laying of all first signal internal switching lines 38, and makes first signal wire 34 of part to electrically connect with chip for driving 40 by the switching of the first signal internal switching line 38.Therefore, the display device 50 of present embodiment comprises the outside patchcord 42 of a plurality of first signals in addition, is arranged in the 32P of surrounding zone.In the present embodiment, first signal wire 34 can be divided into a plurality of first group of first signal wires 341 and a plurality of second group of first signal wire 342, wherein each first signal internal switching line 38 electrically connects with corresponding one first group of first signal wire 341 respectively, and make first group of first signal wire 341 be able to electrically connect by this by the first signal internal switching line 38 and chip for driving 40, and the outside patchcord 42 of each first signal electrically connects with corresponding one second group of first signal wire 342 respectively, and makes second group of first signal wire 342 be able to electrically connect by outside patchcord 42 of first signal and chip for driving 40 by this.
In the present embodiment, each first group of first signal wire 341 intersects to the both sides extension and with the outside patchcord 42 of the first all signals by viewing area 32D with the two ends of each second group of first signal wire 342, the number of the outside patchcord 42 of each first signal and the point of crossing of first signal wire 34 can be identical with the number of the point of crossing of each the first signal internal switching line 38 and first signal wire 34 by this, and make win signal outside patchcord 42 and the first signal internal switching line 38 have similar load effect.Therefore, even under the situation that is provided with the outside patchcord 42 of first signal, display device 50 also can have the load effect of homogenising, and keeps stable display quality.
Please refer to Fig. 4.Fig. 4 has illustrated the synoptic diagram of the display device of the 3rd preferred embodiment of the present invention.As shown in Figure 4, compared to second preferred embodiment, the mode that present embodiment does not utilize first signal wire 34 that will be arranged in the 32D of viewing area to extend to surrounding zone 32P increases the load effect of the outside patchcord 42 of first signal.The ground that replaces, the display device 60 of present embodiment utilize the resistance R that changes the outside patchcord 42 of first signals or the outside patchcord 42 of first signal is connected serially to a capacitor C adjusts load.For example, can utilize length that changes the outside patchcord 42 of first signal or the resistance value that width increases resistance R, or the other end of capacitor C and a signal source for example electrically connected to change the capacitance of capacitor C in the ac signal source, the RC that changes the outside patchcord 42 of first signal by this postpones, so that the outside patchcord 42 of first signal and the first signal internal switching line 38 have similar load effect.
In sum, the present invention utilizes the configuration mode that changes signal wire, or the RC of adjustment member signal wire postpones, and makes all signal wires have similar load effect, and display device can not produce harmful effect to display quality because of uneven load effect thus.In addition, utilization of the present invention is provided with the mode of internal forwarding line, can realize out the display device of narrow frame.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claims of the present invention change and modify, and all should belong to covering scope of the present invention.

Claims (11)

1. a display device is characterized in that, described display device comprises:
One substrate comprises a viewing area;
Plurality of first signal lines is arranged in the described viewing area of described substrate;
A plurality of secondary signal lines are arranged in the described viewing area of described substrate, and wherein said these first signal wires and described these secondary signal lines are staggered; And
A plurality of first signal internal switching lines, be arranged in the described viewing area of described substrate, wherein each described first signal internal switching line electrically connects with corresponding one first signal wire respectively, and each described first signal internal switching line is arranged between adjacent described these secondary signal lines;
Wherein each described first signal internal switching line intersects with described these first signal wires, and each described first signal internal switching line and described these first signal wires have the point of crossing of similar number.
2. display device as claimed in claim 1 is characterized in that, each described first signal internal switching line is provided with described these secondary signal line parallels substantially.
3. display device as claimed in claim 1 is characterized in that, described these first signal wires comprise a plurality of gate lines, and described these secondary signal lines comprise a plurality of data lines.
4. display device as claimed in claim 1 is characterized in that, described these first signal wires comprise a plurality of data lines, and described these secondary signal lines comprise a plurality of gate lines.
5. display device as claimed in claim 1 is characterized in that, described these first signal internal switching lines and described these secondary signal lines are provided with the interval over-over mode.
6. display device as claimed in claim 1, it is characterized in that, described display device comprises the outside patchcord of a plurality of first signals in addition, wherein said substrate comprises a surrounding zone that is positioned at around the described viewing area in addition, the outside patchcord of described these first signals is arranged in the described surrounding zone, and described these first signal wires can be divided into a plurality of first group of first signal wire and a plurality of second group of first signal wire, each described first signal internal switching line electrically connects with corresponding described first group of first signal wire respectively, and the outside patchcord of each described first signal electrically connects with corresponding described second group of first signal wire respectively.
7. display device as claimed in claim 6 is characterized in that, the outside patchcord of described these first signals is parallel to each other with described these first signal internal switching lines substantially.
8. display device as claimed in claim 6, it is characterized in that, described these first signal wires extend to described surrounding zone from described viewing area, the outside patchcord of each described first signal all intersects with described these first signal wires, and each described first signal outside patchcord and described these first signal wires have the point of crossing of similar number.
9. display device as claimed in claim 6 is characterized in that, the outside patchcord of each described first signal electrically connects with an electric capacity respectively.
10. display device as claimed in claim 9 is characterized in that, each described electric capacity is connected with an ac signal source.
11. display device as claimed in claim 6 is characterized in that, the resistance value of the outside patchcord of each described first signal is greater than the resistance value of each described first signal internal switching line.
CN2009101506768A 2009-06-29 2009-06-29 Display unit Active CN101587266B (en)

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CN101587266B CN101587266B (en) 2011-01-26

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102629053A (en) * 2011-08-29 2012-08-08 京东方科技集团股份有限公司 Array substrate and display device
CN103208248A (en) * 2012-01-17 2013-07-17 元太科技工业股份有限公司 Display panel
CN106200176A (en) * 2016-08-25 2016-12-07 深圳市华星光电技术有限公司 Display floater and display
CN107316607A (en) * 2017-08-14 2017-11-03 深圳市华星光电半导体显示技术有限公司 A kind of organic light emitting diode display
CN111091776A (en) * 2020-03-22 2020-05-01 深圳市华星光电半导体显示技术有限公司 Drive circuit and display panel
US10714015B2 (en) 2017-08-14 2020-07-14 Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. Organic light emitting diode display device
WO2021031836A1 (en) * 2019-08-20 2021-02-25 友达光电股份有限公司 Pixel array substrate

Family Cites Families (2)

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Publication number Priority date Publication date Assignee Title
JP2004133438A (en) * 2002-09-20 2004-04-30 Seiko Epson Corp Liquid crystal device, its driving method and electronic apparatus
CN1301426C (en) * 2003-08-19 2007-02-21 友达光电股份有限公司 Liquid-crystal displaying panel with narrow frame design and producing method thereof

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013029540A1 (en) * 2011-08-29 2013-03-07 京东方科技集团股份有限公司 Array substrate and display device
US9324764B2 (en) 2011-08-29 2016-04-26 Boe Technology Group Co., Ltd. Array substrate and display device
CN102629053A (en) * 2011-08-29 2012-08-08 京东方科技集团股份有限公司 Array substrate and display device
US9780123B2 (en) 2012-01-17 2017-10-03 E Ink Holdings Inc. Display panel
CN103208248A (en) * 2012-01-17 2013-07-17 元太科技工业股份有限公司 Display panel
US9247615B2 (en) 2012-01-17 2016-01-26 E Ink Holdings Inc. Display panel
CN103208248B (en) * 2012-01-17 2016-02-24 元太科技工业股份有限公司 Display panel
CN106200176A (en) * 2016-08-25 2016-12-07 深圳市华星光电技术有限公司 Display floater and display
CN107316607A (en) * 2017-08-14 2017-11-03 深圳市华星光电半导体显示技术有限公司 A kind of organic light emitting diode display
US10714015B2 (en) 2017-08-14 2020-07-14 Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. Organic light emitting diode display device
WO2021031836A1 (en) * 2019-08-20 2021-02-25 友达光电股份有限公司 Pixel array substrate
CN111091776A (en) * 2020-03-22 2020-05-01 深圳市华星光电半导体显示技术有限公司 Drive circuit and display panel
US11443668B2 (en) 2020-03-22 2022-09-13 Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. Driving circuit comprising redundant clock signal line and display panel

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