CN105988250B - Display panel - Google Patents
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- CN105988250B CN105988250B CN201510074956.0A CN201510074956A CN105988250B CN 105988250 B CN105988250 B CN 105988250B CN 201510074956 A CN201510074956 A CN 201510074956A CN 105988250 B CN105988250 B CN 105988250B
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- pixel electrode
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Abstract
The present invention discloses a kind of display panel.Display panel includes a first substrate, one first insulating layer, community electrode, a second insulating layer, one first pixel electrode and one second pixel electrode.First insulating layer is located on first substrate.Common electrode is located on the first insulating layer, and common electrode has a first through hole.Second insulating layer covers common electrode and partial first through hole.First pixel electrode is located in second insulating layer, and the first pixel electrode passes through first through hole.Second pixel electrode is located in second insulating layer, and adjacent first pixel electrode of the second pixel electrode.A part of second pixel electrode overlapping first through hole.
Description
Technical field
The present invention relates to a kind of display panels, and have high-resolution display panel more particularly to one kind.
Background technique
Liquid crystal display has been widely used in various electronic product, as mobile phone, notebook computer (notebook) and
Tablet computer (Tablet PC) etc., and with the fast development in large scale flat-panel screens market, have lightweight with it is slim
The liquid crystal display for changing characteristic is even more to play considerable role, and then gradually replace cathode-ray tube (CRT) display
As the market mainstream.
Also, have become trend set at present with high-resolution liquid crystal display.However, being based on high-resolution
Introduced new technology, the problem of being also easy with deriving new problem, and influencing display quality.Therefore, how one kind is provided
With good display quality and there is high-resolution liquid crystal display panel, one of the project made great efforts for correlation dealer.
Summary of the invention
The purpose of the present invention is to provide a kind of display panels.In embodiment, the adjacent first pixel electricity of the second pixel electrode
A part of the first through hole of pole and the second pixel electrode overlapping common electrode, in this way, which pixel electrode can effectively shorten
The distance between, so that the pixel electrode of greater number can be set in unit area, thus it can effectively promote display panel
Per inch pixel value (ppi).
In order to achieve the above object, an embodiment according to the present invention, proposes a kind of display panel.Display panel includes one first
Substrate, one first insulating layer, community electrode, a second insulating layer, one first pixel electrode and one second pixel electrode.The
One insulating layer is located on first substrate.Common electrode is located on the first insulating layer, and common electrode has a first through hole.Second
Insulating layer covers common electrode and partial first through hole.First pixel electrode is located in second insulating layer, and the first pixel electricity
Pole passes through first through hole.Second pixel electrode is located in second insulating layer, and adjacent first pixel electrode of the second pixel electrode.The
A part of two pixel electrodes overlapping first through hole.
More preferably understand to have to above-mentioned and other aspect of the invention, preferred embodiment is cited below particularly, and cooperates institute
Attached attached drawing, is described in detail below:
Detailed description of the invention
Figure 1A is the top view of the display panel of one embodiment of the invention；
Cross-sectional view of the display panel along hatching 1B-1B ' that Figure 1B is Figure 1A；
Fig. 2A is the top view of the display panel of another embodiment of the present invention；
Cross-sectional view of the display panel along hatching 2B-2B ' that Fig. 2 B is Fig. 2A；
Fig. 3 A is the top view of the display panel of yet another embodiment of the invention；
Cross-sectional view of the display panel along hatching 3B-3B ' that Fig. 3 B is Fig. 3 A；
Fig. 4 is the top view of the display panel of further embodiment of this invention.
Symbol description
100,200,300,400: display panel
110: first substrate
120: the first insulating layers
130: common electrode
130a: first through hole
140: second insulating layer
140a: the second through-hole
150: the first pixel electrodes
160: the second pixel electrodes
160a: slit
170: liquid crystal layer
180: the second substrate
181,183,185,187: insulating layer
189: semiconductor layer
190: first crystal tube elements
191: second transistor element
A1: the first area
A2: second area
BM: black matrix"
D1: first distance
D2: second distance
D3: third distance
DL: data line
1B-1B ', 2B-2B ', 3B-3B ': hatching
M1: scan line
M1-1: the first scan line
M1-2: the second scan line
M2: metal layer
Specific embodiment
According to an embodiment of the invention, proposing a kind of display panel.In embodiment, adjacent first pixel of the second pixel electrode
Electrode and the second pixel electrode overlapping common electrode first through hole a part, in this way, can effectively shorten pixel electricity
The distance between pole so that the pixel electrode of greater number can be set in unit area, thus can effectively promote display surface
The per inch pixel value (ppi) of plate.However, embodiment only to illustrate as example, can't limit what the present invention to be protected
Range.In addition, the element that the attached drawing clipped in embodiment is wanted, to clearly show that technical characterstic of the invention.
Figure 1A is painted the top view of display panel 100 according to an embodiment of the invention.Figure 1B is painted the display surface of Figure 1A
Cross-sectional view of the plate 100 along hatching 1B-1B '.As shown in Figure 1A~Figure 1B, display panel 100 includes a first substrate 110, one
First insulating layer 120, community electrode 130, a second insulating layer 140, one first pixel electrode 150 and one second pixel electricity
Pole 160.First insulating layer 120 is located on first substrate 110.Common electrode 130 is located on the first insulating layer 120, and common electricity
Pole 130 has a first through hole 130a.The first through hole 130a of second insulating layer 140 covering common electrode 130 and part.First
Pixel electrode 150 is located in second insulating layer 140, and the first pixel electrode 150 passes through first through hole 130a.Second pixel electrode
160 are located in second insulating layer 140, and adjacent first pixel electrode 150 of the second pixel electrode 160.Second pixel electrode, 160 weight
A part of folded first through hole 130a.
According to an embodiment of the invention, adjacent first pixel electrode 150 of the second pixel electrode 160 and the second pixel electrode
A part of 160 overlapping first through hole 130a, in this way, the distance between pixel electrode can effectively shorten, so that unit
The pixel electrode of greater number can be set in area, that is, more pixel unit can be set, thus can effectively mention
Rise the per inch pixel value (ppi) of display panel 100.
In embodiment, common electrode 130 comprehensively covers the knot below of the first insulating layer 120 in a pixel unit
Structure exposes the structure under common electrode 130 only with first through hole 130a.
In embodiment, first substrate 110 is, for example, glass substrate or plastic substrate, and the first insulating layer 120 is for example including having
Machine insulating materials.The material of common electrode 130, the first pixel electrode 150 and the second pixel electrode 160 can for example respectively include
Bright conductive material, e.g. indium tin oxide (ITO).
In embodiment, as shown in Figure 1A~Figure 1B, the first pixel electrode 150 and the second pixel electrode 160 are separated by one first
Distance D1, the second pixel electrode 160 extend a second distance D2 into first through hole 130a, and first distance D1 is, for example, to be greater than the
Two distance D2.
Due to the trend that the per inch pixel value (ppi) of display panel now gradually improves, so that the size of pixel unit
Reduce, the area that pixel electrode overlaps each other with common electrode is also reduced, thus there may be the doubts that storage capacitance reduces.Root
According to the embodiment of the present invention, as shown in Figure 1B, the second pixel electrode 160 extends a second distance D2 into first through hole 130a,
In other words, common electrode 130 is completely covered in the second pixel electrode 160.Furthermore as shown in Figure 1B, the first pixel electrode 150 is also complete
All standing common electrode 130.First pixel electrode, 150/ second pixel electrode 160 and common electrode 130 according to the present invention
Design, the area that common electrode 130 can be made Chong Die with 150/ second pixel electrode 160 of the first pixel electrode maximize and press from both sides
There is second insulating layer 140 in wherein, in this way, can effectively improve the pixel electrode area Chong Die with common electrode, in turn
It can achieve the per inch pixel value (ppi) for improving display panel while also effectively improving storage capacitance.
Furthermore according to an embodiment of the invention, the second pixel electrode 160 extends a second distance into first through hole 130a
D2, that is to say, that the second pixel electrode 160 extends and is more than common electrode 130 and the first through hole 130a of covering a part, can
To effectively prevent because the error of manufacture craft causes offset of second pixel electrode 160 relative to the position of common electrode 130.
In other words, the second pixel electrode 160 extends and can provide the buffering in manufacture craft more than the edge of common electrode 130, makes
The product that must be finally completed can have the faying surface of 150/ second pixel electrode 160 of common electrode 130 and the first pixel electrode
The structure of product maximization.
In embodiment, first distance D1 is, for example, 2.0~5.0 microns (μm), and second distance is, for example, 0.1~1.0 micron.
As shown in Figure 1A, in embodiment, the second pixel electrode 160 can have an at least slit 160a, slit 160a and
It is, for example, to be greater than second distance D2 that one through-hole 130a, which is separated by third a distance D3, third distance D3,.
In embodiment, third distance D3 is, for example, 2.0~5.0 microns.
As shown in Figure 1A, in embodiment, the first pixel electrode 150 one first area A1 Chong Die with first through hole 130a
Such as it is greater than the second pixel electrode 160 second area A2 Chong Die with first through hole 130a.
In embodiment, display panel 100 may also include scan line M1.As shown in Figure 1A~Figure 1B, in the present embodiment, sweep
It is, for example, Chong Die with a part of the second pixel electrode 160 for retouching line M1.
As shown in Figure 1A, in embodiment, there is the first insulating layer 140 one second through-hole 140a, the second through-hole 140a to be located at
Among first through hole 130a, and the second through-hole 140a is, for example, to be less than first through hole 130a.
In embodiment, as shown in Figure 1B, display panel 100 may also include a metal layer M2.First pixel electrode 150 passes through
Second through-hole 140a is electrically connected metal layer M2.
In embodiment, the first pixel electrode 150 can be electrically connected to drain/source via metal layer M2.
In embodiment, as shown in Figure 1A, display panel 100 may also include a data line DL.Metal layer M2 may be electrically connected to
Data line DL.In other words, the first pixel electrode 150 can be electrically connected metal layer M2 and is electrically connected to by the second through-hole 140a
Data line DL.
In embodiment, as shown in Figure 1B, display panel 100 may also include a second substrate 180 and a liquid crystal layer 170.
180 pairs of groups of first substrate 110 and the second substrate, liquid crystal layer 170 is between first substrate 110 and the second substrate 180.Embodiment
In, the second substrate 180 is, for example, colorized optical filtering laminar substrate.
In embodiment, as shown in Figure 1B, display panel 100 may also include a black matrix" BM.Black matrix" BM is located at the
On two substrates 180, and the first through hole 130a of corresponding common electrode 130.But in other embodiments, black matrix" BM can also
On first substrate 110, using as BOA (Black matrix on array) framework.
In embodiment, as shown in Figure 1B, display panel 100 may also include insulating layer 181,183,185 and 187 and partly lead
Body layer 189.Scan line M1 is located on insulating layer 185, and semiconductor layer 189 is located on insulating layer 187.Insulating layer 181,183,185
The combination that silicon nitride, silica or both can for example be respectively included with 187.Semiconductor layer 189 for example may include polysilicon
(polysilicon), low temperature polycrystalline silicon (LTPS) or amorphous phase silicon (amorphous silicon).
According to an embodiment of the invention, common electrode 130, the first pixel electrode 150 and the second pixel electrode 160 are respectively positioned on
The same side of liquid crystal layer 170, and be spaced with second insulating layer 140 between common electrode 130 and pixel electrode 150/160,
And these electrodes are all located on the first substrate 110 of transistor unit side, display panel 100 is, for example, fringe field switch type
(fringe field switching, FFS) liquid crystal display panel.
Fig. 2A is painted the top view of display panel 200 according to another embodiment of the present invention.Fig. 2 B is painted the display of Fig. 2A
Cross-sectional view of the panel 200 along hatching 2B-2B '.It is continued to use equally in the present embodiment with the same or similar element of previous embodiment
Or similar element numbers, and the related description of same or similar element please refers to aforementioned, details are not described herein.
As shown in Fig. 2A~Fig. 2 B, in the present embodiment, the scan line M1 of display panel 200 is, for example, to be located at the first pixel electricity
Between pole 150 and the second pixel electrode 160.Scan line M1 not with 160 weight of the first pixel electrode 150 or the second pixel electrode
It is folded.
Fig. 3 A is painted the top view of display panel according to yet another embodiment of the invention.Fig. 3 B is painted the display panel of Fig. 3 A
Along the cross-sectional view of hatching 3B-3B '.It continues to use in the present embodiment with the same or similar element of previous embodiment same or like
Element numbers, and the related description of same or similar element please refers to aforementioned, details are not described herein.
As shown in Fig. 3 A~Fig. 3 B, in the present embodiment, the scan line M1 of display panel 300 can simultaneously with the first pixel electrode
A part overlapping of 150 a part and the second pixel electrode 150.
Fig. 4 is painted the top view of the display panel 400 of another embodiment according to the present invention.In the present embodiment with aforementioned implementation
Before the same or similar element of example continues to use same or like element numbers, and the related description of same or similar element please refers to
It states, details are not described herein.
As shown in figure 4, display panel 400 may also include a first crystal tube elements 190, one first scan line M1-1, one
Second transistor element 191 and one second scan line M1-2.Referring to Figure 1A~Figure 1B and Fig. 4, first crystal tube elements
190, the first scan line M1-1, second transistor element 191 and the second scan line M1-2 are located on first substrate 110.First is brilliant
Body tube elements 190 are controlled by the first scan line M1-1, and first crystal tube elements 190 are electrically connected to the first pixel electrode 150.The
Two-transistor element 191 is controlled by the second scan line M1-2, and second transistor element 191 is electrically connected to the second pixel electrode
160.The adjacent first scan line M1-1 of second scan line M1-2, and the first insulating layer 120 covering first crystal tube elements 190 and the
Two-transistor element 191.
Although disclosing the present invention in conjunction with preferred embodiment above, it is not intended to limit the invention.Institute of the present invention
Belong in technical field and have usually intellectual, without departing from the spirit and scope of the present invention, can be used for a variety of modifications and variations.
Therefore, protection scope of the present invention should be subject to what the appended claims were defined.
Claims (12)
1. a kind of display panel, comprising:
First substrate；
First insulating layer is located on the first substrate；
Common electrode is located on first insulating layer, has first through hole；
Second insulating layer covers the common electrode and the partial first through hole；
First pixel electrode is located in the second insulating layer, which passes through the first through hole；
Second pixel electrode is located in the second insulating layer, adjacent first pixel electrode of second pixel electrode；
Wherein, which is overlapped a part of the first through hole, first pixel electrode and second pixel electrode
Be separated by a first distance, which extends a second distance into the first through hole, the first distance be greater than this
Two distances, second pixel electrode have slit, and the slit and the first through hole are separated by a third distance, which is greater than
The second distance.
2. display panel as described in claim 1, wherein the first distance is 2.0~5.0 microns (μm).
3. display panel as described in claim 1, wherein the second distance is 0.1~1.0 micron.
4. display panel as described in claim 1, wherein third distance is 2.0~5.0 microns.
5. display panel as described in claim 1, wherein first pixel electrode, first area Chong Die with the first through hole
The second area Chong Die with the first through hole greater than second pixel electrode.
6. display panel as described in claim 1, further includes:
Scan line, wherein the scan line is heavy with a part of a part of first pixel electrode and second pixel electrode simultaneously
It is folded.
7. display panel as described in claim 1, further includes:
Scan line, wherein the scan line is Chong Die with a part of second pixel electrode.
8. display panel as described in claim 1, wherein first insulating layer has the second through-hole, which is located at should
Among first through hole and it is less than the first through hole.
9. display panel as claimed in claim 8, further includes:
Metal layer, wherein first pixel electrode is electrically connected the metal layer by second through-hole.
10. display panel as claimed in claim 9, further includes:
Data line, the metal layer are electrically connected to the data line.
11. display panel as described in claim 1, further includes:
First crystal tube elements and the first scan line are located on the first substrate, which first is scanned by this
Line is controlled, and the first crystal tube elements are electrically connected to first pixel electrode；And
Second transistor element and the second scan line are located on the first substrate, which second is scanned by this
Line is controlled, and the second transistor element is electrically connected to second pixel electrode；
Wherein adjacent first scan line of second scan line, first insulating layer cover the first crystal tube elements and this second
Transistor unit.
12. display panel as described in claim 1, further includes:
The second substrate；And
Liquid crystal layer, between the first substrate and the second substrate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910661077.6A CN110262149B (en) | 2015-02-12 | 2015-02-12 | Display panel |
| CN201510074956.0A CN105988250B (en) | 2015-02-12 | 2015-02-12 | Display panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510074956.0A CN105988250B (en) | 2015-02-12 | 2015-02-12 | Display panel |
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| CN201910661077.6A Division CN110262149B (en) | 2015-02-12 | 2015-02-12 | Display panel |
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| CN105988250B true CN105988250B (en) | 2019-08-16 |
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| KR20070078389A (en) * | 2006-01-26 | 2007-07-31 | 엡슨 이미징 디바이스 가부시키가이샤 | Liquid crystal apparatus and electronic device |
| CN102566162A (en) * | 2011-11-23 | 2012-07-11 | 友达光电股份有限公司 | Display panel |
| KR20140138472A (en) * | 2013-05-24 | 2014-12-04 | 엘지디스플레이 주식회사 | Liquid crystal display device and method for manufacturing the same |
| CN104246593A (en) * | 2012-04-27 | 2014-12-24 | 夏普株式会社 | Liquid crystal display element and liquid crystal display device |
| CN204557027U (en) * | 2015-02-12 | 2015-08-12 | 群创光电股份有限公司 | Display panel |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100795344B1 (en) * | 2001-05-29 | 2008-01-17 | 엘지.필립스 엘시디 주식회사 | Array Panel used for a Liquid Crystal Display Device and Method of Fabricating the same |
| JP4544251B2 (en) * | 2007-02-27 | 2010-09-15 | ソニー株式会社 | Liquid crystal display element and display device |
| JP2009122595A (en) * | 2007-11-19 | 2009-06-04 | Hitachi Displays Ltd | Liquid crystal display |
| KR20130032743A (en) * | 2011-09-23 | 2013-04-02 | 삼성디스플레이 주식회사 | Liquid crystal display |
| WO2013073619A1 (en) * | 2011-11-18 | 2013-05-23 | シャープ株式会社 | Semiconductor device, display device, and method for producing semiconductor device |
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2015
- 2015-02-12 CN CN201910661077.6A patent/CN110262149B/en active Active
- 2015-02-12 CN CN201510074956.0A patent/CN105988250B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070078389A (en) * | 2006-01-26 | 2007-07-31 | 엡슨 이미징 디바이스 가부시키가이샤 | Liquid crystal apparatus and electronic device |
| CN102566162A (en) * | 2011-11-23 | 2012-07-11 | 友达光电股份有限公司 | Display panel |
| CN104246593A (en) * | 2012-04-27 | 2014-12-24 | 夏普株式会社 | Liquid crystal display element and liquid crystal display device |
| KR20140138472A (en) * | 2013-05-24 | 2014-12-04 | 엘지디스플레이 주식회사 | Liquid crystal display device and method for manufacturing the same |
| CN204557027U (en) * | 2015-02-12 | 2015-08-12 | 群创光电股份有限公司 | Display panel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110262149A (en) | 2019-09-20 |
| CN105988250A (en) | 2016-10-05 |
| CN110262149B (en) | 2022-06-21 |
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