CN104570467B - Display panel - Google Patents
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- CN104570467B CN104570467B CN201510058227.6A CN201510058227A CN104570467B CN 104570467 B CN104570467 B CN 104570467B CN 201510058227 A CN201510058227 A CN 201510058227A CN 104570467 B CN104570467 B CN 104570467B
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- 239000000758 substrate Substances 0.000 claims abstract description 84
- 238000005452 bending Methods 0.000 claims description 73
- 230000009467 reduction Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 description 13
- 230000003287 optical effect Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 11
- 230000008859 change Effects 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 10
- 238000013461 design Methods 0.000 description 10
- 238000013519 translation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000002834 transmittance Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 230000000873 masking effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- OFIYHXOOOISSDN-UHFFFAOYSA-N tellanylidenegallium Chemical compound [Te]=[Ga] OFIYHXOOOISSDN-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
A display panel has a center line parallel to non-curved side edges of the display panel. The display panel comprises a first substrate, a second substrate and a display medium layer positioned between the two substrates. The first substrate includes a plurality of first signal lines parallel to the center line. The second substrate includes a shielding layer having a plurality of openings. Each opening is provided with a first side and a second side which are respectively parallel to the central line, the first side is closer to the central line than the second side, and the orthographic projection of each first side and the adjacent first signal line on the reference plane are separated by a first distance. Each second edge is separated from the orthographic projection of the adjacent first signal line on the reference plane by a second distance. The reference plane is a plane where two edges of the first substrate are not bent, and only one of the first distance and the second distance increases in a direction away from the center line.
Description
Technical field
The invention relates to a kind of display panel, and in particular to a kind of display surface with light leak compensation mechanism
Plate.
Background technology
With advancing by leaps and bounds for Display Technique, display from the cathode-ray tube of early stage (Cathode Ray Tube,
CRT) display little by little develops into recent flat-panel screens (Flat Panel Display, FPD).However, with
The universalness of the electric equipment products of curved appearance, flat-panel screens are not suitable for applying in this electric appliances product because being difficult to bending
In.Therefore, dealer sets about studying curved face display panel one after another in recent years, to provide the function that such electric equipment products are shown.
The manufacture method of existing curved face display panel comprises the following steps.First, the display panel of a plane is manufactured.It is aobvious
Show that panel generally comprises active component array base board, colored optical filtering substrates and is configured at active component array base board to filter with colored
Display medium between photopolymer substrate, is wherein commonly configured with shielding layer on colored optical filtering substrates, to cover active cell array
The region of impermeable optical element and signal wire edge are configured with substrate and there may be region (the hereafter referred to collectively as quilt of leakage problem
Shielded area).Secondly, thinning display panel.Finally, the display panel after thinning is bent, to form curved face display panel.So
And after display panel bending, because of the relative configuration relation meeting of shielding layer of the position on different substrate surface and impermeable optical element
Produce displacement, cause part shielding layer can not completely obscured impermeable optical element, and influence the visual effect of display panel and generation
Leakage problem.
The content of the invention
The present invention provides a kind of display panel, and it can improve display panel leakage problem after bending.
A kind of display panel of the present invention, it has center line.Centerline parallel is in an at least side for display panel, institute
It is un-flexed side to state side.Display panel include first substrate, second substrate and positioned at first substrate and second substrate it
Between display dielectric layer.First substrate includes a plurality of first signal wire and a plurality of secondary signal line.First signal wire parallel to
Center line.Secondary signal line and the first signal wire are interlaced with each other, to define multiple pixel cells.Second substrate is located at the first base
The side of plate and including shielding layer.Shielding layer has multiple openings.Each opening exposes a wherein pixel cell.Each opening has
Be respectively parallel to the first of center line while and when second, and positioned at center line both sides each opening first while than second more
Close to center line, wherein the orthographic projection of each first side the first signal wire adjacent thereto on the reference plane is separated by the first distance.
The orthographic projection of each second side the first signal wire adjacent thereto on the reference plane is separated by second distance.Reference planes are the first base
The place plane of the un-flexed two edges of plate, and the first distance and second distance only one increase towards the direction away from center line
Add.
A kind of display panel of the present invention, it has center line.Centerline parallel is in an at least side for display panel.Institute
It is un-flexed side to state side.Display panel include first substrate, second substrate and positioned at first substrate and second substrate it
Between display dielectric layer.First substrate includes a plurality of first signal wire and a plurality of secondary signal line.First signal wire parallel to
Center line.Secondary signal line and the first signal wire are interlaced with each other, to define multiple pixel cells.Second substrate is located at the first base
The side of plate and including shielding layer.Shielding layer has multiple openings.Each opening exposes a wherein pixel cell and with difference
Parallel to center line first while and when second, and positioned at center line both sides each opening first while than second closer to
Center line, wherein the orthographic projection of each first side the first signal wire adjacent thereto on the reference plane is separated by the first distance.Each
The orthographic projection of two sides the first signal wire adjacent thereto on the reference plane is separated by second distance.Reference planes are that first substrate is non-
The place plane of the two edges of bending.Display panel is in bending, and first apart from substantially identical, and second distance essence phase
Together.
Based on above-mentioned, the display panel of the embodiment of the present invention is according to shielding layer after bending and impermeable optical element (such as first
Signal wire) between displacement, modulation shielding layer display panel bending before dead area, with improve display panel bending after
Leakage problem.
For features described above of the invention and advantage can be become apparent, special embodiment below, and coordinate institute's accompanying drawings
It is described in detail below.
Brief description of the drawings
Figure 1A is a kind of display panel schematic diagram after bending according to the first embodiment of the present invention.
Figure 1B and Fig. 1 C are that the section front and rear according to a kind of display panel bending of the first embodiment of the present invention shows respectively
It is intended to.
Fig. 1 D and Fig. 1 E are front and rear upper depending on showing of a kind of display panel bending according to the first embodiment of the present invention respectively
It is intended to.
Fig. 1 F are the enlarged diagrams of region C in Fig. 1 D.
Fig. 2A and Fig. 2 B are the front and rear diagrammatic cross-section of the display panel bending of comparative example respectively.
Fig. 2 C and Fig. 2 D are the front and rear local upper schematic diagram of the display panel bending of comparative example respectively.
Fig. 3 A and Fig. 3 B are that the section front and rear according to a kind of display panel bending of the second embodiment of the present invention shows respectively
It is intended to.
Fig. 3 C and Fig. 3 D are front and rear upper depending on showing of a kind of display panel bending according to the second embodiment of the present invention respectively
It is intended to.
Fig. 4 A are a kind of display panel schematic diagrames after bending according to the third embodiment of the present invention.
Fig. 4 B and Fig. 4 C are that the section front and rear according to a kind of display panel bending of the third embodiment of the present invention shows respectively
It is intended to.
Fig. 5 A and Fig. 5 B are that the section front and rear according to a kind of display panel bending of the fourth embodiment of the present invention shows respectively
It is intended to.
Fig. 6 A and Fig. 6 B are the display panel schematic diagram after bending according to other embodiments of the invention respectively.
Wherein, reference：
100、100A、200、300、400、500、600：Display panel
110：First substrate
112：First signal wire
114：Secondary signal line
120：Second substrate
130：Display dielectric layer
AD：Active member
A-A、A-A’：Side
AP：Perforate
BM：Shielding layer
C：Region
CH：Channel layer
D1：First distance
D2：Second distance
DE：Drain electrode
E1、E2：Edge
G：Gap
GE：Grid
L：Center line
L’：Orthographic projection line
NT：Shielded area
O：Opening
P：Pixel cell
PE：Pixel electrode
R、R’：Radius of curvature
RF：Reference planes
RO：The center of curvature
S1：First side
S2：Second side
SE：Source electrode
X：Distance
ΔD1、ΔD2：Difference
Embodiment
Figure 1A is a kind of display panel schematic diagram after bending according to the first embodiment of the present invention.C points of Figure 1B and Fig. 1
It is not the diagrammatic cross-section front and rear according to a kind of display panel bending of the first embodiment of the present invention, the section is and Figure 1A
The vertical sections of center line L, and two relatively short sides of this section are respectively parallel to the side A-A ' that is bent in Figure 1A.Fig. 1 D and
Fig. 1 E are the upper schematic diagram front and rear according to a kind of display panel bending of the first embodiment of the present invention respectively, wherein Fig. 1 D and
Shielding layer in Fig. 1 E is physically located the top of the first signal wire and secondary signal line, however, to clearly show that the first letter
The relative configuration relation of the opening of number line, secondary signal line and shielding layer, the first signal wire and the second letter in Fig. 1 D and Fig. 1 E
Number line is represented with solid line.Fig. 1 F are the enlarged diagrams of region C in Fig. 1 D.To clearly show that the relative of each element in pixel cell
Configuration relation, Fig. 1 F only show the aperture position of shielding layer, and omit and illustrate shielding layer.It refer to Figure 1A to Fig. 1 F, this implementation
The display panel 100 of example can be any display panel for being suitable to bending, such as liquid crystal display panel, ORGANIC ELECTROLUMINESCENCE DISPLAYS face
Plate, electrophoretic display panel or Electrowetting display panel etc..
Display panel 100 has center line L, an at least sides, and display surface of the center line L parallel to display panel 100
The side that plate 100 is located at opposite sides on center line L bearing of trends is suitable to bending, and forms curved face display panel.Such as Figure 1A institutes
Show, display panel 100 has the side A-A ' of bending and do not bent with display panel 100 side A-A after bending, and center
Line L is parallel to side A-A.
Display panel 100 includes first substrate 110, second substrate 120 and positioned at first substrate 110 and second substrate
Display dielectric layer 130 between 120.By taking liquid crystal display panel as an example, first substrate 110 can be active component array base board,
Second substrate 120 can be colored optical filtering substrates, and display dielectric layer 130 can be liquid crystal layer, but not limited to this.
First substrate 110 includes a plurality of first signal wire 112 and a plurality of secondary signal line 114.First signal wire 112 with
And secondary signal line 114 configures the one side in first substrate 110 close to second substrate 120, and secondary signal line 114 and first is believed
Number line 112 is interlaced with each other, to define multiple pixel cell P in array arrangement.As shown in Figure 1A, the first signal wire 112 is flat
Go in center line L, that is, the first signal wire 112 is parallel to the side A-A not bent with display panel 100, therefore, the first letter
Number line 112 does not bend and bent with display panel 100.In addition, secondary signal line 114 is parallel to bending with display panel 100
Side A-A ', therefore, secondary signal line 114 bend and bent with display panel 100.In the present embodiment, the first signal wire 112
For example, scan line, and for example, data wire of secondary signal line 114, but not limited to this.
Second substrate 120 is relative with first substrate 110 and including shielding layer BM.Shielding layer BM is covering first substrate
The element being seen is not intended in 110, therefore its material is using the low material of light transmittance, such as dark resin (resin), gold
Category, metal oxide or other appropriate materials with good shaded effect with low reflection characteristic.
Shielding layer BM is configured at one side of the second substrate 120 close to first substrate 110, and shielding layer BM has multiple openings
O.Each opening O exposes one of pixel cell P.Specifically, as shown in Fig. 1 D and Fig. 1 F, each pixel cell P is corresponding wherein
One sub-pixel, and active member AD and the pixel being electrically connected with active member AD electricity are may be configured with each pixel cell P
Pole PE.
As shown in fig. 1F, active member AD is, for example, bottom gate thin film transistor, and it includes grid G E, channel layer CH, source
Pole SE and drain D E.Grid G E is electrically connected with the first signal wire 112, and source S E is electrically connected with secondary signal line 114, and
Drain D E is electrically connected with through perforate AP and pixel electrode PE.Grid G E and the first signal wire 112 can by with along with technique formed,
And for example belong to first electrode layer jointly.Source S E, drain D E and secondary signal line 114 can by with along with technique formed, and
Such as belong to the second electrode lay jointly.First electrode layer is not belonging to same electrode layer with the second electrode lay, and both pass through one not
The gate insulation layer that illustrates and be electrically insulated from.It should be noted that the kenel of each element and its relative configuration close in pixel cell P
System by way of example only, and is not limited to Fig. 1 F illustrated.In another embodiment, one can be entered according to different design requirements
Walk and configure other elements in each pixel cell P.Or change active member AD and pixel electrode PE quantity, configuration
Relation, shape and production order etc..
Refer to Figure 1B to Fig. 1 F, shielding layer BM for example, at least cover the first signal wire 112, secondary signal line 114 and
Region and the first signal wire 112 where the impermeable optical element such as active member AD there may be with the edge of secondary signal line 114
The region of leakage problem, such as the gap between pixel electrode PE and the first signal wire 112 and pixel electrode PE and secondary signal
Gap between line 114 etc., so that display panel 100 has preferable visual effect.For purposes of illustration only, hereinafter referred to as above-mentioned area
Domain is shielded area NT, and Fig. 1 F enclose the region for setting out shielded area NT with thick dashed line.Taking into account visual effect and opening
Under the consideration of rate, shielding layer BM preferably covers shielded area NT, and shielding layer BM opening O preferably exposes shielded area NT
Region in addition.It is however, it is contemplated that relative between shielding layer BM opening O and impermeable optical element after the bending of display panel 100
Position can produce translation, and the present embodiment makes shielding layer BM area coverage be more than shielded area NT, and makes shielding layer BM opening O
At least expose pixel electrode PE subregion.
Each opening O have be respectively parallel to center line L first in S1 and second S2.In the present embodiment, first
In S1 and second, S2 is for example respectively parallel to pixel cell P short side, but not limited to this.In addition, it is located at center line L both sides
Each opening O first when S1 is than second S2 closer to center line L, that is, each O that is open second when S2 is than first, S1 is more
Away from center line L.
First side S1 is separated by the first distance D1 with orthographic projection of the first adjacent signal wire 112 on reference planes RF.The
Two side S2 are separated by second distance D2 with orthographic projection of the first adjacent signal wire 112 on reference planes RF.The reference planes
RF is first substrate 110 unbent two edges E1, E2 place plane.When display panel 100 is in flat state, with reference to flat
Face RF falls on first substrate 110.When display panel 100 is in case of bending, reference planes RF falls beyond first substrate 110
Region.
The present embodiment correspond to display panel 100 degree of crook and bending direction to the first distance D1 and second distance D2
It is designed, to improve known display panel leakage problem after bending.It is described further below with Fig. 2A to Fig. 2 D.Figure
2A and Fig. 2 B are the front and rear diagrammatic cross-section of the display panel bending of comparative example respectively.Fig. 2 C and Fig. 2 D are the aobvious of comparative example respectively
Show the local upper schematic diagram before and after panel bending.Fig. 2A to Fig. 2 D is refer to, the display panel 100A of comparative example is not carry out
The display panel of light leak compensation.Specifically, when display panel 100A is in flat state, all first distance D1 are all identical, and
All second distance D2 are all identical.That is, all pixels electrode PE is all identical by the opening O areas exposed and position.
As shown in Fig. 2A and Fig. 2 C, although shielding layer BM can cover shielded area before display panel 100A bendings
NT, however, as shown in Fig. 2 B and Fig. 2 D, bent in display panel 100A and cause first substrate 110 to be located at display panel 100A
Center of curvature RO and second substrate 120 between when, shielded sides of the area NT away from center line L in part can be exposed by opening O
Out, wherein, the impermeable optical element (such as active member AD and the first signal wire 112) being exposed can influence display panel
100A visual effect, and clearance G (clearance G is located between pixel electrode PE and the first signal wire 112) meeting being exposed
Cause light leak.The air line distance of any point on the center of curvature RO to second substrate 120 is all equal, and in first substrate
Under 110 framework between center of curvature RO and second substrate 120, any point on center of curvature RO to second substrate 120
Air line distance be defined as radius of curvature R.
Furthermore, when display panel 100A points to the direction bending of first substrate 110 towards second substrate 120, the
Two substrates 120 are bent towards shielding layer BM configuration face.In the presence of stress, the opening O positioned at center line L both sides is with reference to flat
Orthographic projection on the RF of face can be toward close to the translation of orthographic projection line Ls ' of the center line L on reference planes RF direction.Now, it is shielded
Area NT (such as region of the first signal wire 112) was covered close to the center line L still shielded floor BM in side, but part is hidden
The opening O for covering the shielded floor BM in sides of the area NT away from center line L is exposed.Also, with opening O and center line L away from
From more remote, shielded area NT exposed opening O area is more.That is, when display panel 100A refers to towards second substrate 120
When being bent to the direction of first substrate 110, first in S1 and second, orthographic projections of the S2 on reference planes RF all can be towards positive throwing
Hachure L ' is close, wherein orthographic projections of the first side S1 with the first adjacent signal wire 112 on reference planes RF can be close to each other,
And orthographic projections of the second side S2 with the first adjacent signal wire 112 on reference planes RF can cause the first distance away from each other
D1 reduces and second distance D2 increases.
Be subsequently returning to Figure 1B and Fig. 1 C, due to when display panel 100A towards second substrate 120 point to first substrate 110 side
To during bending, light leakage phenomena occurs mainly in shielded area NT (such as the position of the first signal wire 112) away from center line L
Side.Therefore, the present embodiment is when display panel 100 is in flat state, i.e., after being bent for display panel 100A in comparative example
Leakage problem compensate, such as make the first distance D1 towards away from center line L (i.e. orthographic projection line L ') direction increase, and
Each first distance D1 incrementss correspondingly bend after-opening O translational movement.Specifically, if opening O the first side S1 is with reference to flat
Orthographic projection on the RF of face can then make opening O after bending towards the direction translation distance X close to center line L (i.e. orthographic projection line L ')
Orthographic projections of the first side S1 on reference planes RF in the bending previous dynasty direction away from center line L (i.e. orthographic projection line L ') translate
Distance X, that is, the first distance D1 increase distance X, as shown in Figure 1B.Consequently, it is possible to even if opening O the first side S1 is with reference to flat
Orthographic projection on the RF of face is after bending towards the direction translation distance X, shielded area NT close to center line L (i.e. orthographic projection line L ')
The side of (such as position of the first signal wire 112) away from center line L (i.e. orthographic projection line L ') also being capable of shielded layer BM screenings
Cover, as shown in Figure 1 C.That is, the above-mentioned design of the present embodiment can be effectively improved comparative example display panel 100A it is after bending
Leakage problem.
On the other hand, due to after bending shielded area NT have no light leakage phenomena, therefore this implementation close to center line L side
Example does not change second distance D2, that is, in this example it is shown that before panel 100 is bent, second distance D2 is substantially identical, and
First distance D1 increases towards the direction away from center line L (i.e. orthographic projection line L ').Because after the bending of display panel 100, be open O
Orthographic projection on reference planes RF can be towards close to the translation of orthographic projection line L ' direction, therefore, the first distance D1 and second distance
Opposite trend can be presented before and after display panel 100 is bent in D2.That is, after the bending of display panel 100, in reference planes RF
On orthographic projection in, the first distance D1 is substantially identical, and second distance D2 towards away from center line L (i.e. orthographic projection line L ') direction
Increase.It should be noted that it is described it is substantially identical be not limited to identical, and the changing value caused by technique change should be covered.
In actual process, this changing value about falls within the 15% of adjacent two pixel cells P spacing (pitch).For example, when
When adjacent two pixel cells P spacing is 100 μm, changing value is about within ± 15 μm.That is, relatively close center line L is (i.e. just
Projection line L ') the first distance D1 and be relatively distant from center line L (i.e. orthographic projection line L ') the first distance D1 and may become because of technique
Change and the changing value within about ± 15 μm be present.
In addition, in a flat state, between the adjacent two first distance D1 on the bearing of trend of secondary signal line 114
Difference DELTA D1 should increase with the reduction of the radius of curvature R of display panel 100, that is, display panel 100 more bends (curvature
Radius R is smaller), difference DELTA D1 is bigger.Consequently, it is possible to contribute to the effect for reaching masking light leak in response to different degree of crook.
In the present embodiment, difference DELTA D1 for example increases towards the direction away from center line L (i.e. orthographic projection line L '), that is, difference DELTA D1 is non-
Definite value, but the invention is not restricted to this.In another embodiment, difference DELTA D1 can also be definite value.
Compared to increasing the first distance D1 and second distance D2 simultaneously, the present embodiment is by making the first distance D1 and the
Two distance D2 only one increases towards the direction away from center line L (i.e. orthographic projection line L '), can reduce above-mentioned compensation mechanism for opening
The negative effect of mouth rate, so as to help to make display panel 100 can also take into account display panel while leakage problem is improved
100 light transmittance and uniformity.In an experimental example, compared to increase the first distance D1's and second distance D2 simultaneously
Comparative example, the present embodiment is by making the first distance D1 and second distance D2 only one towards away from center line L (i.e. orthographic projection lines
L ') the increased design in direction aperture opening ratio can be promoted to more than 31.84% by the 26.50% of comparative example, and by light transmittance
More than 1.76% is promoted to by the 1.47% of comparative example.
In the above-described embodiments, the O size of being open is reduced towards the direction away from center line L, but the invention is not restricted to this.Figure
3A and Fig. 3 B are the diagrammatic cross-section front and rear according to a kind of display panel bending of the second embodiment of the present invention respectively.Fig. 3 C and
Fig. 3 D are the upper schematic diagram front and rear according to a kind of display panel bending of the second embodiment of the present invention respectively.It refer to Fig. 3 A
To Fig. 3 D, the display panel 200 of the present embodiment is approximately identical to display panel 100, and identical element is with identical label table
Show, repeated no more in this.The Main Differences of display panel 200 and display panel 100 are that display panel 200 is adopted before bending
With second distance D2 towards the design of the direction reduction away from center line L (i.e. orthographic projection line L '), with by the remote center line L of lifting
Opening O area, to lift the aperture opening ratio of display panel 200.Under such design, display panel 200 is before bending, far
Shielded area NT (such as position of the first signal wire 112) from center line L may be exposed (now first by opening O
Second distance D2 between the side S2 of signal wire 112 and second is considered as negative value), also, the first signal wire being exposed by opening O
112 are less than corresponding second side S2 and center line L distance with center line L distance.
In the present embodiment, the amount of each second distance D2 reductions is just equal to the corresponding first increased amounts of distance D1.Therefore,
The size for being relatively distant from center line L opening O and relatively close center line L opening O is all substantially identical.Also, display surface
Upon bending, in the orthographic projection on reference planes RF, the first distance D1 is substantially identical for plate 200, and second distance D2 essence phases
Together.It should be noted that it is described it is substantially identical be not limited to identical, and the changing value caused by technique change should be covered.
In actual process, this changing value about falls within the 15% of adjacent two pixel cells P spacing (pitch).
By above-mentioned design, the present embodiment is in addition to it can improve known display panel light leakage phenomena after bending, also
Contribute to the aperture opening ratio of lifting display panel 200, so that display panel 200 has preferable light transmittance and uniformity.
Above-described embodiment is leakage when pointing to the direction bending of first substrate 110 towards second substrate 120 for display panel
Optical issue is improved.Illustrate display panel towards the direction of the sensing second substrate 120 of first substrate 110 with Fig. 4 A to Fig. 5 B below
The modification method of leakage problem during bending.Fig. 4 A after bending are shown according to a kind of display panel of the third embodiment of the present invention
It is intended to.Fig. 4 B and Fig. 4 C are the section signal front and rear according to a kind of display panel bending of the third embodiment of the present invention respectively
Figure.Fig. 5 A and Fig. 5 B are the diagrammatic cross-section front and rear according to a kind of display panel bending of the fourth embodiment of the present invention respectively.
Please also refer to Fig. 4 A to Fig. 4 C, the display panel 300 of the present embodiment is approximately identical to display panel 100, and identical element with
Identical label represents, is repeated no more in this.The Main Differences of display panel 300 and display panel 100 are, display panel
300 directions for being suitable to point to second substrate 120 towards first substrate 110 are bent so that second substrate 120 is located at display panel 300
Center of curvature RO and first substrate 110 between.Under this framework, any point on center of curvature RO to first substrate 110
Air line distance is defined as radius of curvature R '.
When display panel 300 points to the direction bending of second substrate 120 towards first substrate 110, second substrate 120 is towards remote
From the surface curvature of first substrate 110.In the presence of stress, the opening O positioned at center line L both sides is on reference planes RF
Orthographic projection can be toward the direction translation away from orthographic projection line L '.In the case where not compensating, shielded area NT (such as the first signal wires
112 region) the still shielded layer BM in side away from center line L was covered, but the shielded area NT in part is close to center line L
The shielded layer BM in side opening O be exposed.Also, as opening O and center line L distance are more remote, opening O is exposed
The area of shielded area NT out is more.That is, when display panel 300 towards first substrate 110 point to second substrate 120 side
To during bending, first in S1 and second, orthographic projections of the S2 on reference planes RF all can be towards remote center line L (orthographic projection lines
L ') direction translation, wherein the orthographic projection of the first side S1 and the first adjacent signal wire 112 on reference planes RF understand it is remote each other
From, and orthographic projections of the second side S2 with the first adjacent signal wire 112 on reference planes RF can be close to each other, cause first away from
From D1 increases, second distance D2 reduces.
Due to when display panel 300 towards first substrate 110 point to second substrate 120 direction bending when, light leakage phenomena master
Occur in shielded area NT (such as region of the first signal wire 112) close to center line L side.Therefore, the present embodiment
When display panel 300 is in flat state, as shown in Figure 4 B, make second distance D2 towards away from center line L (i.e. orthographic projection line L ')
Direction increase, and each second distance D2 incrementss correspond to opening O after bending translational movement.It is consequently, it is possible to shielded
Area NT (such as region of the first signal wire 112) can also be hidden close to center line L side after the bending of display panel 300
Cover a layer BM to cover, as shown in Figure 4 C.That is, can be effectively improved known display panel after bending for the above-mentioned design of the present embodiment
Leakage problem.
On the other hand, because shielded sides of the area NT away from center line L has no light leakage phenomena, therefore the present embodiment does not change
Become the first distance D1, that is, in this example it is shown that panel 300 bend before, the first distance D1 is substantially identical, and second away from
Increase from D2 towards the direction away from center line L (i.e. orthographic projection line L ').Because after the bending of display panel 300, opening O is being referred to
Orthographic projection on plane RF can translate towards the direction away from center line L (i.e. orthographic projection line L '), therefore, the first distance D1 and second
Opposite trend can be presented before and after display panel 300 is bent in distance D2.That is, after the bending of display panel 300, with reference to flat
In orthographic projection on the RF of face, second distance D2 is substantially identical, and the first distance D1 is towards remote center line L's (i.e. orthographic projection line L ')
Direction increases.It should be noted that it is described it is substantially identical be not limited to identical, and the change caused by technique change should be covered
Value.In actual process, this changing value about falls within the 15% of adjacent two pixel cells P spacing (pitch).Citing and
Speech, when adjacent two pixel cells P spacing is 100 μm, changing value is about within ± 15 μm.That is, relatively close center line L
The second distance D2 of (i.e. orthographic projection line L ') may be because of work with being relatively distant from center line L (i.e. orthographic projection line L ') second distance D2
Skill changes and the changing value within about ± 15 μm be present.
In addition, in a flat state, between the adjacent two second distances D2 on the bearing of trend of secondary signal line 114
Difference DELTA D2 should be with the radius of curvature R of display panel 300 ' reduction and increase, that is, display panel 300 more bends (curvature
Radius R ' is smaller), difference DELTA D2 is bigger.Consequently, it is possible to contribute to the effect for reaching masking light leak in response to different degree of crook.
In the present embodiment, difference DELTA D2 for example increases towards the direction away from center line L (i.e. orthographic projection line L '), that is, difference DELTA D2 is non-
Definite value, but the invention is not restricted to this.In another embodiment, difference DELTA D2 can also be definite value.
In addition, as shown in Fig. 5 A and Fig. 5 B, display panel 400 can use under the framework of display panel 300 before bending
First distance D1 towards the direction reduction away from center line L (i.e. orthographic projection line L ') design, with by the remote center line L's of lifting
Opening O area, to lift the aperture opening ratio of display panel 400.Under such design, display panel 400 is remote before bending
(now the first letter may be exposed in center line L shielded area NT (such as region of the first signal wire 112) by opening O
The first distance D1 between number side S1 of line 112 and first is considered as negative value).
In the present embodiment, the amount of each first distance D1 reductions is just equal to the increased amounts of corresponding second distance D2.Therefore,
The size for being relatively distant from center line L opening O and relatively close center line L opening O is all substantially identical.Also, display surface
Upon bending, in the orthographic projection on reference planes RF, the first distance D1 is substantially identical for plate 400, and second distance D2 essence phases
Together.It should be noted that it is described it is substantially identical be not limited to identical, and the changing value caused by technique change should be covered.
In actual process, this changing value about falls within the 15% of adjacent two pixel cells P spacing (pitch).
By above-mentioned design, the present embodiment can reduce negative effect of the above-mentioned compensation mechanism for aperture opening ratio, so as to help
While display panel 400 is being improved leakage problem, the light transmittance and uniformity of display panel 400 can be also taken into account.
In display panel 100,200,300,400, the first signal wire 112 is scan line, and secondary signal line 114 is number
According to line, but the invention is not restricted to this.Fig. 6 A and Fig. 6 B be respectively according to other embodiments of the invention display panel bending after
Schematic diagram.As shown in Fig. 6 A and Fig. 6 B, according to display panel 500, the difference of 600 bending directions, the first signal wire 112 also may be used
For data wire, and secondary signal line 114 can be scan line.Now, center line L is parallel to data line.Also, the masking not illustrated
The first of the opening of layer while and be respectively parallel to pixel cell P long side when second.Under this framework, improve display panel
500th, 600 leakage problems after bending can refer to foregoing, be repeated no more in this.
In summary, the display panel of the embodiment of the present invention is according to shielding layer after bending and impermeable optical element (such as first
Signal wire) between displacement, to shielding layer display panel bending before dead area compensate, to improve known display
Leakage problem after panel bending.In addition, by make first distance and second distance only one towards away from center line direction
Increase, can reduce negative effect of the above-mentioned compensation mechanism for aperture opening ratio, so as to help to make display panel to be asked in improvement light leak
While topic, the light transmittance and uniformity of display panel can be also taken into account.In one embodiment, can also be by making the first distance
And the wherein another one of second distance is reduced towards the direction away from center line, further to lift the aperture opening ratio of display panel.
Although the present invention is disclosed above with embodiment, so it is not limited to the present invention, any art
Middle tool usually intellectual, without departing from the spirit and scope of the present invention, when a little change and retouching can be made, thus it is of the invention
Protection domain when being defined depending on appended claims institute defender.
Claims (11)
1. a kind of display panel, there is a center line, in an at least side for the display panel, the side is the centerline parallel
Un-flexed side, the display panel include：
One first substrate, including a plurality of first signal wire and a plurality of secondary signal line, those first signal wires are parallel in this
Heart line, those secondary signal lines and those first signal wires are interlaced with each other, to define multiple pixel cells；
One second substrate, there are multiple openings positioned at the side of the first substrate and including a shielding layer, the shielding layer, respectively this is opened
Mouth exposes wherein one pixel cell, and respectively the opening has one first side and one second for being respectively parallel to the center line
Side, and positioned at the center line both sides the respectively opening this first while than this second while closer to the center line, wherein respectively this
The orthographic projection of one first signal wire adjacent thereto in a reference planes on one side is separated by one first distance, respectively second side and its
Orthographic projection of the one first adjacent signal wire in the reference planes is separated by a second distance, and the reference planes are the first substrate
The place plane of un-flexed two edges, and those first distances and those second distances only one are towards away from the center line
Direction increases；And
One display dielectric layer, between the first substrate and the second substrate.
2. display panel as claimed in claim 1, it is characterised in that those the first distances and those second distances are wherein
One increases towards the direction away from the center line, and those the first distances and the wherein another one essence phase of those second distances
Together.
3. display panel as claimed in claim 2, it is characterised in that the display panel is in a flat state.
4. display panel as claimed in claim 2, it is characterised in that those first apart from substantially identical, and those second away from
Increase from towards the direction away from the center line, the display panel is in a case of bending, and the first substrate is located at the display panel
The center of curvature and the second substrate between.
5. display panel as claimed in claim 2, it is characterised in that those second distances are substantially identical, and those first away from
Increase from towards the direction away from the center line, the display panel is in a case of bending, and the second substrate is located at the display panel
The center of curvature and the first substrate between.
6. display panel as claimed in claim 2, it is characterised in that those opening sizes towards away from the center line direction
Reduce.
7. display panel as claimed in claim 1, it is characterised in that those the first distances and those second distances are wherein
One increases towards the direction away from the center line, and the wherein another one of those the first distances and those second distances is somebody's turn to do towards remote
The direction of center line is reduced, and the display panel is in a flat state.
8. display panel as claimed in claim 7, it is characterised in that the size of those openings is substantially identical.
9. display panel as claimed in claim 1, it is characterised in that the display panel is in a flat state, those first away from
Increase from towards the direction away from the center line, and between adjacent two first distances on the bearing of trend of the secondary signal line
Difference increase with the reduction of the radius of curvature of the display panel, or those second distances towards away from the center line side
To increase, and the difference between adjacent two second distances on the bearing of trend of the secondary signal line is with the display panel
Radius of curvature reduction and increase.
10. display panel as claimed in claim 9, it is characterised in that the bearing of trend of the secondary signal line it is adjacent two
Difference between first distance increases towards the direction away from the center line, or adjacent in the bearing of trend of the secondary signal line
Two second distances between difference towards away from the center line direction increase.
11. display panel as claimed in claim 1, it is characterised in that those first signal wires are scan line, and those second
Signal wire is data wire, or those first signal wires are data wire, and those secondary signal lines are scan line.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103146537A TWI639869B (en) | 2014-12-31 | 2014-12-31 | Display panel |
| TW103146537 | 2014-12-31 |
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| Publication Number | Publication Date |
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| CN104570467A CN104570467A (en) | 2015-04-29 |
| CN104570467B true CN104570467B (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510058227.6A Active CN104570467B (en) | 2014-12-31 | 2015-02-04 | Display panel |
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| TW (1) | TWI639869B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873444A (en) * | 2018-07-17 | 2018-11-23 | 深圳市华星光电技术有限公司 | Flexible light-conducting plate and flexible display |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI556044B (en) * | 2015-09-09 | 2016-11-01 | 友達光電股份有限公司 | Display panel |
| TWI564624B (en) * | 2015-11-18 | 2017-01-01 | 友達光電股份有限公司 | Display panel |
| CN108132560B (en) * | 2018-01-03 | 2020-05-22 | 厦门天马微电子有限公司 | Display panel and display device |
| CN110501847B (en) * | 2018-05-16 | 2022-06-14 | 群创光电股份有限公司 | Display device |
| CN114326191B (en) | 2021-12-30 | 2023-08-22 | 武汉华星光电技术有限公司 | Curved surface display panel and curved surface display device |
| WO2023159615A1 (en) * | 2022-02-28 | 2023-08-31 | 京东方科技集团股份有限公司 | Display panel and display device |
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| CN101443697A (en) * | 2006-07-18 | 2009-05-27 | 夏普株式会社 | Liquid crystal display panel |
| CN203870358U (en) * | 2014-04-01 | 2014-10-08 | 群创光电股份有限公司 | Display panel and display device |
| CN104007590A (en) * | 2014-06-17 | 2014-08-27 | 深圳市华星光电技术有限公司 | TFT array substrate structure |
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Also Published As
| Publication number | Publication date |
|---|---|
| TWI639869B (en) | 2018-11-01 |
| TW201624071A (en) | 2016-07-01 |
| CN104570467A (en) | 2015-04-29 |
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