CN202887620U - Flexible display panel and display device including the same - Google Patents

Flexible display panel and display device including the same Download PDF

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Publication number
CN202887620U
CN202887620U CN2012203197959U CN201220319795U CN202887620U CN 202887620 U CN202887620 U CN 202887620U CN 2012203197959 U CN2012203197959 U CN 2012203197959U CN 201220319795 U CN201220319795 U CN 201220319795U CN 202887620 U CN202887620 U CN 202887620U
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CN
China
Prior art keywords
area
flexible
display panels
flexible display
diaphragm
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Expired - Lifetime
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CN2012203197959U
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Chinese (zh)
Inventor
陈东彦
李玗钟
金阳完
金英植
柳准相
金相敏
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Samsung Display Co Ltd
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Samsung Display Co Ltd
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • 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
    • G02F1/133305—Flexible substrates, e.g. plastics, organic film
    • 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
    • G02F1/13338—Input devices, e.g. touch panels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418—Constructional details
    • G09F13/0468—Signs, boards or panels with tensioned or flexible display surface
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

The utility model discloses a flexible display panel and a display device including the flexible display panel. The flexible display panel comprises a flexible panel which comprises a first area and a second area, the first area comprises a display area and is oriented on a first plane, and the second area comprises a non-display area and is oriented on a second plane which is different from the first plane. The flexible display panel further comprises a flexible encapsulating construction member which is arranged on the flexible panel and at least comprises an encapsulating display area. The ratio of the non-display area recognized by users to the display area is significantly reduced by the flexible display panel.

Description

Flexible display panels and comprise the display device of flexible display panels
The application requires to be submitted to the 10-2011-0065143 korean patent application of Korea S Department of Intellectual Property and to be submitted to the rights and interests of the 10-2012-0063871 korean patent application of Korea S Department of Intellectual Property on June 14th, 2012 on June 30th, 2011, and the open of these applications all is contained in this by reference.
Technical field
One or more embodiment of the present utility model relates to a kind of flexible display panels and a kind of display device that comprises this flexible display panels.
Background technology
Display device refers to the equipment of display image signals.Such display device comprises that intelligent apparatus increases in demand side such as all devices of TV, computer monitor, PDA(Personal Digital Assistant) and intelligent apparatus, and it shows the picture signal by the external device (ED) input.
In display device, use the high flat display module of picture quality, such as organic electroluminescence display panel, liquid crystal display (LCD) panel, plasma display (PDP) etc.
Flat display module comprises viewing area and the non-display area that shows image, is provided with in non-display area for the various circuit and the wiring that picture signal are provided to the viewing area.For this reason, non-display area is positioned at the outside of viewing area and on the plane identical with the plane at place, viewing area.
Owing to recently the demand of high image quality and the various application of display device are increased, so be arranged on the interior circuit of the non-display area of flat display module and the quantity of wiring also increases.Therefore, the area of non-display area also increases, and this causes the number percent of viewing area recognized by the user to reduce.
The utility model content
One or more embodiment of the present utility model provides a kind of flexible display panels and comprised the display device of this flexible display panels, and this flexible display panels has reduced the ratio of non-display area that the user identifies and viewing area significantly.
According to one side of the present utility model, a kind of flexible display panels is provided, described flexible display panels comprises: flexible panel, comprise first area and second area, the first area comprises the viewing area and is oriented on the first plane that second area comprises non-display area and is oriented on second plane different from the first plane; And flexibility seals member, is arranged on the flexible panel to seal at least the viewing area.
From the first direction vertical with the first plane as seen the viewing area can be configured to, and non-display area can be configured to from first direction invisible.
From the Area Ratio of the visible non-display area of the first direction vertical with the first plane and the viewing area Area Ratio from the visible non-display area of first direction and viewing area can be vertical with first direction less than non-display area the time.
Borderline region with radius-of-curvature can be between first area and second area.
Radius-of-curvature can have the value of substantial constant.
Radius-of-curvature can be approximately between 0.01mm and the about 10mm.
Radius-of-curvature can be approximately between 0.01mm and the about 1mm.
The curved surface of borderline region can be arc.
The viewing area can extend in the borderline region.
Non-display area can extend in the borderline region.
In viewing area and the non-display area each can extend in the borderline region.
The first area can be the plane basically.
Second area can be the plane basically.
Flexible substrates can also comprise the 3rd zone, and extend also along extending towards the direction of first area from the edge of second area in the 3rd zone.
Non-display area can extend to the 3rd zone from second area.
Pad cell can be arranged in the 3rd zone.
Described flexible display panels can also comprise the restraining barrier between at least one zone in flexible substrates and first area and second area.
Described flexible display panels can also comprise the first diaphragm on the side that is positioned at flexible panel and be positioned at flexibility seals the second diaphragm on the side of member.
The first diaphragm and the second diaphragm can be oriented to cover viewing area and the non-display area of flexible panel.
The first diaphragm and the second diaphragm can be located with being mutually symmetrical.
In the first diaphragm and the second diaphragm at least one can comprise polarizing coating.
The first diaphragm can cover the edge of flexible panel, and the second diaphragm can cover the edge that flexibility is sealed member.
Flexibility is sealed member can comprise in inorganic insulation layer and the organic insulator at least one.
Described flexible display panels can also comprise the touch panel that is positioned on flexible substrates and the flexible at least one side of sealing member, shows the image of viewing area at touch panel.
Touch panel can comprise the flexible membrane corresponding with the shape cardinal principle of flexible display panels.
Touch panel can comprise the wiring zone that is positioned at the touch area on the flexible membrane and is positioned at the outside, touch area, and the touch area is substantially corresponding with the viewing area.
According on the other hand of the present utility model, a kind of display device is provided, described display device comprises flexible display panels and is used for keeping the support unit of the shape of flexible display panels, flexible display panels comprises: flexible panel, comprise first area and second area, the first area comprises the viewing area and is oriented on the first plane that second area comprises non-display area and is oriented on second plane different from the first plane; Flexibility is sealed member, is arranged on the flexible panel to seal at least the viewing area.
Support unit can be arranged on flexibility and seal on the member with corresponding with the shape of flexible display panels.
Described display device can also comprise the first diaphragm on the side that is positioned at flexible panel and be positioned at flexibility seals the second diaphragm on the side of member; wherein, the first diaphragm and the second diaphragm are oriented to cover viewing area and the non-display area of flexible panel.
Described display device can also comprise be positioned on flexible panel and the flexible at least one side of sealing member with the flexible touch panel corresponding with the shape of flexible panel, show the image of viewing area at flexible touch panel.
Description of drawings
Describe exemplary embodiment of the present utility model in detail by the reference accompanying drawing, above and other feature and advantage of the present utility model will become more obvious, in the accompanying drawings:
Fig. 1 is the perspective schematic view according to the flexible display panels of the utility model embodiment;
Fig. 2 is the cut-open view along the flexible display panels shown in Fig. 1 of the intercepting of the line II-II among Fig. 1;
Fig. 3 is the perspective schematic view according to the panel display board of the comparative examples of Fig. 1;
Fig. 4 is the cut-open view along the panel display board shown in Fig. 3 of the intercepting of the line IV-IV among Fig. 3;
Fig. 5 is the schematic plan view of the example of flexible display panels before the non-display area of Fig. 1 is folding;
Fig. 6 is the schematic cross sectional views of Fig. 5;
Fig. 7 is the cut-open view of example of the viewing area of Fig. 5;
Fig. 8 is the schematic cross sectional views according to the panel display board before or after being bent of the comparative examples of Fig. 1;
Fig. 9 shows the relation between the width of the intrinsic curvature radius of the folding part of viewing area and non-display area and the non-display area that the user identifies;
Figure 10 and Figure 11 are the cut-open views of the example of borderline region;
Figure 12 is the perspective schematic view according to the flexible display panels of another embodiment of the utility model;
Figure 13 is the cut-open view along the flexible display panels shown in Figure 12 of the intercepting of the line XIII-XIII among Figure 12;
Figure 14 is the schematic plan view of the example of the flexible display panels before the non-display area of Figure 12 folds;
Figure 15 is the perspective schematic view according to the flexible display panels of the modified example of Figure 12;
Figure 16 is the cut-open view along the flexible display panels shown in Figure 14 of the intercepting of the line XVI-XVI among Figure 14;
Figure 17 is the perspective schematic view according to the flexible display panels of another embodiment of the utility model;
Figure 18 is the cut-open view along the flexible display panels shown in Figure 17 of the intercepting of the line XVIII-XVIII among Figure 17;
Figure 19 is the schematic plan view of the example of the flexible display panels before the non-display area of Figure 17 folds;
Figure 20 is the perspective schematic view according to the flexible display panels of the modified example of Figure 17;
Figure 21 is the cut-open view along the flexible display panels shown in Figure 20 of the intercepting of the line XXI-XXI among Figure 20;
Figure 22 is the cut-open view according to the flexible display panels that is integrated with touch panel of another embodiment of the utility model;
Figure 23 is the cut-open view that the non-display area of the flexible display panels that is integrated with touch panel shown in Figure 22 is integrated with the flexible display panels of touch panel before folding;
Figure 24 is the decomposition diagram of the flexible display panels that is integrated with touch panel shown in Figure 23; And
Figure 25 to Figure 27 is the schematic cross sectional views of the flexible display panels example of being combined with various support units.
Embodiment
Now with reference to accompanying drawing the utility model is described more fully, exemplary embodiment of the present utility model shown in the drawings.
Fig. 1 is the perspective schematic view according to the flexible display panels 100 of the utility model embodiment, and Fig. 2 is the cut-open view along the flexible display panels 100 shown in Fig. 1 of the intercepting of the line II-II among Fig. 1.
See figures.1.and.2, flexible display panels 100 be included in the upper directed viewing area D in the first plane (x-y plane) and on the plane of viewing area D outside directed non-display area N1, N2, N3 and N4(N1 and N3 directed on the x-z plane different from the first plane (x-y plane), N2 and N4 are directed on the x-y plane).Among non-display area N1, N2, N3 and the N4 to stride across non-display area N1 and N3 edge-z direction that viewing area D faces with each other folding ,-z direction and the z opposite direction that shows viewing area D institute edge.
Since non-display area N1 and N3 along with the z opposite direction that shows viewing area D institute edge-the z direction is folding, so when seeing flexible display panels 100, the user identifies width W from the front (z direction) of viewing area D as the user 1, wherein, non-display area N1 and N3 are in width W 1The place is folded into around the right side of viewing area D and the border in left side.
With reference to Fig. 2, because the width W of non-display area N1 and N3 burst 1Become than non-display area N1 and the folding original width W before of N3 0Little a lot, so recognizing the size on the border that is formed by non-display area N1 and N3 of viewing area D, the user significantly reduces.When the area of viewing area D before non-display area N1 and N3 are folding and when not changing respectively afterwards, the Area Ratio of the non-display area N1 that the user identifies and N3 and viewing area D reduces, and therefore, the D relatively effect of amplification in viewing area can be shown.Because the width (W that reduces by non-display area N1 and N3 0-W 1) can increase the width of viewing area D, so when the identical display device of the specification that flexible display panels 100 is applied to specification and flexible display panels 100, compare with other display panels, flexible display panels 100 can realize the picture screen that increases.
By the intrinsic curvature radius R of the folded part of viewing area D and non-display area N1 and N3 and the thickness T sum of flexible display panels 100, can determine the folding width W of non-display area N1 and N3 1Although the below is described, but because the intrinsic curvature radius R of the folded part of viewing area D and non-display area N1 and N3 and the thickness T of flexible display panels 100 can significantly reduce, so the user can recognize almost non-boundary of the viewing area D that formed by non-display area N1 and N3.
Fig. 3 is the perspective schematic view as the not folded panel display board 10 of wherein non-display area N1, N2, N3 and the N4 of the comparative examples of Fig. 1, and Fig. 4 is the cut-open view along the panel display board 10 shown in Fig. 3 of the intercepting of the line IV-IV among Fig. 3.
With reference to Fig. 3 and Fig. 4, wherein the not folded panel display board 10 of non-display area N1, N2, N3 and N4 comprises viewing area D and at non-display area N1, N2, N3 and the N4 of the outside of viewing area D.
Because non-display area N1 and N3 are not folded, thus when the user from the front (z direction) of viewing area D when seeing dull and stereotyped display panel 10, the user recognizes the original width W of non-display area N1 and N3 0, original width W 0For around the right side of viewing area D and the border in left side.Therefore, compare with the flexible display panels 100 of above-mentioned Fig. 1, the thicker border that is formed by non-display area N1 and N2 of viewing area D recognized by the user to.
When the area of the viewing area D of the area of the viewing area D of the flexible display panels 100 of Fig. 1 and non-display area N1 and N3 and the panel display board 10 of Fig. 3 and non-display area N1 and N3 is identical, compare with the panel display board 10 of comparative examples, the Area Ratio of the non-display area N1 of the flexible display panels 100 of Fig. 1 that the user identifies and N3 and viewing area D reduces, thereby can show the effect of the display screen of amplification.
In the situation according to the panel display board 10 of comparative examples, in order to reduce the area of non-display area N1 and N3, have to reduce the various circuit that are arranged among non-display area N1 and the N3 or the quantity of wiring, perhaps have to reduce the live width of circuit or wiring.Yet, because the high image quality of display device and the demand of various application are increased day by day, have restriction at the quantitative aspects that reduces circuit or wiring.In addition, existing technology difficulty aspect the live width that reduces circuit or wiring.Yet, in the flexible display panels 100 of Fig. 1, in the situation of the quantity that does not reduce the circuit be arranged among non-display area N1 and the N3 or wiring, perhaps in the situation of the live width that does not reduce circuit or wiring, can reduce non-display area N1 that the user identifies and the area of N3.
Fig. 5 is the schematic sectional plain-view drawing of the example of flexible display panels 100-B before the non-display area N1 of Fig. 1 and N3 are folding, and Fig. 6 is the schematic cross sectional views of Fig. 5, and Fig. 7 is the cut-open view of example of the viewing area D of Fig. 5.
With reference to Fig. 5 to Fig. 7, the flexible display panels 100-B before non-display area N1 and N3 are folding comprises flexible substrates 111, be positioned at restraining barrier 112 on the flexible substrates 111, be arranged on viewing area D and non-display area N1, N2, N3 and N4, flexibility on the restraining barrier 112 seals member 113, is positioned at the first diaphragm 114 on the side of flexible substrates 111 and is positioned at flexibility and seal the second diaphragm 115 on the side of member 113.
Flexible substrates 111 can form by having excellent thermotolerance and the plastic material of permanance, such as being formed by polyvinylether phthalic ester, PEN, polycarbonate, polyarylate, polyetherimide, polyethersulfone or polyimide etc.Yet the utility model is not limited to this, and flexible substrates 111 can be formed by various flexible materials.
Restraining barrier 112 can be positioned on the flexible substrates 111.Restraining barrier 112 can be by at least a formation the in inorganic layer and the organic layer.Restraining barrier 112 prevents that unnecessary component transmission from entering flexible substrates 111 neutralizations and penetrating among the D of viewing area.
Viewing area D and non-display area N1, N2, N3 and N4 in viewing area D outside can be arranged on the restraining barrier 112.
Picture signal is presented among the D of viewing area, and can arrange among the D of viewing area such as the various display device (not shown) of organic light emitting apparatus, liquid crystal display (LCD) device, electrophoretic apparatus etc.In current embodiment, at least one organic light emitting apparatus 120 will be described.Various devices such as thin film transistor (TFT) (TFT) (not shown) that is used for the driving display device and capacitor (not shown) etc. also can be arranged on viewing area D.
Organic light emitting apparatus 120 is arranged among the D of viewing area.Organic light emitting apparatus 120 comprise pixel electrode 121, as common layer to electrode 123 and be arranged on pixel electrode 121 and to the organic emission layer 122 between the electrode 123.Pixel electrode 121 is electrically connected to the drive TFT TFT1 that is arranged on the flexible substrates 111.Although not shown in Figure 6, organic light emitting apparatus 120 is electrically connected at least one switching TFT and holding capacitor, thereby from viewing area D utilizing emitted light.
Light can be from organic emission layer 122 to flexible substrates 111 or flexibility seal member 113 emissions.In current embodiment, describe to flexibility and seal the top emission structure display device that member 113 shows image.Yet the utility model is not limited to this, and the utility model can be applied to the bottom emissive type display device that shows image to flexible substrates 111.In the situation of bottom emissive type display device, non-display area N1 and N3 along with show image institute edge-direction of z opposite direction is folding,, seals member 113(z direction to flexibility that is) folding.
Be used for providing the various circuit (not shown) of picture signal and wiring (not shown) can be arranged among non-display area N1, N2, N3 and the N4 to the display device that is arranged on viewing area D.
With reference to Fig. 5, be used for to the electrode power-line 131 of electrode 123 power supplies and the terminal part 132 of electrode power-line 131 are arranged on non-display area N1, N2, N3 and N4.Be used for being arranged on non-display area N1 and N2 to the sweep circuit unit 133 of viewing area D transmission driving signal and the terminal part 134 of sweep circuit unit 133.Be used for that data-signal is transferred to the data circuit unit 135 of viewing area D and the terminal part 136 of data circuit unit 125 is arranged on non-display area N2 and N3.Be used for providing the driving power routing cell 137 of driving power and the terminal part 138 of driving power routing cell 137 to be arranged on non-display area N2 to viewing area D.Pad cell P is arranged in non-display area N2, and terminal part 132,134,136 and 138 is arranged on the pad cell P.
Various circuit, wiring and terminal part shown in Fig. 5 only is the illustrated examples of non-display area N1, N2, N3 and N4.In other words, be apparent that the various circuit, wiring and the terminal part that are arranged among non-display area N1, N2, N3 and the N4 can have the structure different from various circuit, wiring and terminal part among Fig. 5.
Being used for sealing at least the flexibility of viewing area D seals member 113 and can be arranged on viewing area D and non-display area N1, N2, N3 and N4.It can be to seal thin layer that flexibility is sealed member 113.Seal thin layer and can have the structure that comprises a plurality of inorganic insulation layers, perhaps can have alternately stacking structure of wherein inorganic insulation layer and organic insulator.
The first diaphragm 114 can be positioned on the side of flexible substrates 111.Although not shown, between flexible substrates 111 and the first diaphragm 114, can also inject bonding agent.The second diaphragm 115 can be positioned at flexibility and seal on the side of member 113.Seal between member 113 and the second diaphragm 115 in flexibility and can also inject bonding agent.
The first diaphragm 114 can have identical material character with the second diaphragm 115, and can be used for improving the physical strength of flexible display panels 100.The first diaphragm 114 and the second diaphragm 115 can be formed by flexible material.
In addition, at least one in the first diaphragm 114 and the second diaphragm 115 can have polarization function.Here, can determine to have based on organic light emitting apparatus 120 luminous directions the layout of the diaphragm of polarization function.For example, when organic light emitting apparatus 120 is luminous when showing the top emission structure display device of image to the second diaphragm 115, the second diaphragm 115 is configured to have polarization function.In addition, when organic light emitting apparatus 120 is luminous when showing the bottom emissive type display device of image to the first diaphragm 114, the first diaphragm 114 is configured to have polarization function.In addition, when organic light emitting apparatus 120 was top and bottom emissive type display device, the two all can have polarization function the first diaphragm 114 and the second diaphragm 115.
Fig. 8 is the schematic cross sectional views according to the panel display board before or after being bent 20 of the comparative examples of Fig. 1.
When the second diaphragm 115 had polarization function, according to prior art, the first diaphragm 114 was oriented to fully cover flexible substrates 111, and as shown in Figure 8, and the second diaphragm 115 is oriented to only fully cover viewing area D.
In this state, when panel display board 20 was crooked, in non-display area N1 and N3, moment of flexure was in the part that comprises the second diaphragm 115 and do not comprise between the part of the second diaphragm 115 and changing.Therefore, in regional C, can crack, wherein, in regional C, be formed with metal level, such as being used to form in the part that comprises the second diaphragm 115 and not comprising non-display area N1 between the part of the second diaphragm 115 and various circuit and the wiring of N3.Crackle can cause the abnormal luminous of panel display board 20, and this can cause the generation of defective.
In order to prevent this problem, in the present embodiment, the first diaphragm 114 and the second diaphragm 115 are oriented to cover viewing area D and non-display area N1 and the N3 of flexible display panels 100-B.The first diaphragm 114 and the second diaphragm 115 can be located with being mutually symmetrical.For example, the first diaphragm 114 can be positioned to cover the two ends of flexible substrates 111, and the second diaphragm 115 can be positioned to cover the two ends that flexibility is sealed member 113.
By above structure, identical moment of flexure can be applied to the zone that wherein is formed with such as the metal level of various circuit and wiring, described various wiring and circuit are used to form folding non-display area N1 and the N3 of boundary between non-display area N1 and N3 and viewing area D, thereby can prevent damage or crackle in the zone that is formed with metal level.
Because it is flexible consisting of the flexible substrates 111 of flexible display panels 100, so be difficult on flexible substrates 111, directly form viewing area D and non-display area N1 and N3.Therefore, although not shown, the method for making flexible display panels 100 may further comprise the steps: form flexible substrates 111 at the substrate of glass (not shown) with rigidity; Form restraining barrier 112 in flexible substrates 111; 112 form viewing area D and non-display area N1 and N3 on the restraining barrier; Form flexibility and seal member 113 to cover viewing area D; Use the second bonding agent (not shown) that the second diaphragm 115 is attached to flexibility and seal member 113; The substrate of glass (not shown) is separated with flexible substrates 111; And use the first bonding agent (not shown) that the first diaphragm 114 is attached to flexible substrates 111.
The first diaphragm 114 and the second diaphragm 115 according to present embodiment can be applied to following other embodiment that will describe of the present utility model.
Non-display area N1 on the left side of the viewing area D of the flexible display panels 100-B of Fig. 5 and the non-display area N3 on the right side along and show viewing area D direction (z direction, see Fig. 1) when opposite-z direction is folding, the flexible display panels 100 shown in pie graph 1 and Fig. 2.
In flexible display panels 100, when non-display area N1 and N3 are folded, boundary formation curved surface that can be between viewing area D and non-display area N1 and N3.
Refer again to Fig. 2, comprise that the borderline region RB of predetermined curved surface is positioned at D(first area, viewing area RI) and non-display area N3(second area RII) between.Borderline region RB forms the curved surface with intrinsic curvature radius R.
In current embodiment, the non-display area N3 of second area II extends from borderline region RB.When the user from the front (z direction) of viewing area D when seeing folded flexible display panels 100, the width W of the non-display area N3 that the user identifies from the front of viewing area D 1Be considered to the intrinsic curvature radius R of the folding part of viewing area D and non-display area N3 and the thickness T sum of flexible display panels 100.In current embodiment, the width W of the non-display area N3 that is identified by the user 1RB is identical with borderline region.
The thickness T of flexible display panels 100 can be selected in the scope of tens microns (μ m) and hundreds of micron (μ m).Specifically, because in the situation of small-sized display device, the thickness of flexible display panels can be from than selecting in the less scope of above-mentioned scope, so the width W of the non-display area that the user identifies 1Can reduce further.Be apparent that the utility model is not limited to above-mentioned thickness range, if necessary, then can select the thickness range wider than above-mentioned thickness range.
Fig. 9 shows the width W that the user of the intrinsic curvature radius R of the folding part of viewing area D and non-display area N3 and non-display area N3 identifies 2And W 3Between relation.
With reference to Fig. 9, when the thickness T of hypothesis flexible display panels 100 be uniformly and non-display area N3 folded so that borderline region RB has radius of curvature R 2, the width W of the non-display area N3 that the user identifies 2It is radius of curvature R 2Thickness T sum (W with flexible display panels 100 2=R 2+ T).When non-display area N3 folded so that the radius of curvature R of borderline region RB 3Compare radius of curvature R 2When larger, the width W of the non-display area N3 that the user identifies 3It is radius of curvature R 3Thickness T sum with flexible display panels.In other words, along with the increase (R of radius-of-curvature 3＞R 2), the width W of the viewing area N3 that the user identifies 3Increase.
The intrinsic curvature radius of the part that viewing area D and non-display area N3 are folding can be between 0.01mm and 10mm.When the intrinsic curvature radius of this part during less than 0.01mm, flexible display panels 100 can not keep folded state because of bending stress, when the intrinsic curvature radius of this part during greater than 10mm, and the width W of non-display area N3 3Increase.Specifically, in the situation of small-sized display device, the scope of radius-of-curvature can be chosen as less than 1mm, so that the width W of the non-display area N3 that the user sees 3Can further reduce.
With reference to Figure 10, the viewing area D of first area RI extends from borderline region RB.When the user sees folding flexible display panels 100 from the front of viewing area D, the width W of the non-display area N3 that the user identifies 4Be 0.Like this, in current embodiment, the user can recognize almost non-boundary of non-display area N3.
With reference to Figure 11, the two can be arranged on the viewing area D of first area RI and the non-display area N3 of second area RII among the borderline region RB.About this point, the width W of the non-display area N3 that the user identifies 5The width W of the non-display area N3 that identifies greater than the user 4And the width W of the non-display area N3 that identifies less than the user (as shown in figure 10), 1(as shown in Figure 2).Yet, even in this case, the width W of the non-display area N3 that the user identifies 5Also less than the width of the non-display area of the panel display board 10 among Fig. 3 and Fig. 4, in Fig. 3 and Fig. 4, non-display area N1 and N3 are folding.
In the situation of the flexible display panels 100 of Fig. 1, non-display area N1 and N3 on the left and right sides of viewing area D are folded.Yet the utility model is not limited to this.In other words, spirit of the present utility model is applied to the folded situation of any one non-display area among non-display area N1 and the N3 equally.
Figure 12 is the perspective schematic view according to the flexible display panels 200 of another embodiment of the utility model, Figure 13 is the cut-open view along the flexible display panels 200 shown in Figure 12 of the intercepting of the line XIII-XIII among Figure 12, and Figure 14 is the non-display area N2 of Figure 12 and the schematic plan view that N4 folds the example of flexible display panels 200-B before.
Hereinafter, will current embodiment be described for the difference of the embodiment of Fig. 1 and Figure 12.
With reference to Figure 14, in the flexible display panels 200-B according to current embodiment, be positioned at viewing area D downside non-display area N2 and be positioned at viewing area D upside non-display area N4 along with show viewing area D direction (z direction) opposite-the z direction is folding.As a result, according to the flexible display panels 200 of another embodiment of the utility model as shown in Figure 12.
With reference to Figure 12 and Figure 13, non-display area N1, N2, N3 and N4 that flexible display panels 200 comprises viewing area D and is positioned at viewing area D outside.Among non-display area N1, N2, N3 and the N4 stride across non-display area N2 that viewing area D faces with each other and N4 along with the z opposite direction that shows viewing area D institute edge-the z direction is folding.
Since non-display area N2 and N4 along with the z opposite direction that shows viewing area D institute edge-the z direction is folding, when seeing flexible display panels 200, the user identifies width W so the user is from the front (z direction) of viewing area D 6, wherein, non-display area N2 and N4 are in width W 6The place is folded into around the border of upside and the downside of viewing area D.
As mentioned above, because the width W of non-display area N2 and N4 burst 6Become than the original width W before non-display area N2 and N4 are folding 0Little a lot, so recognizing the border of the viewing area D that is formed by non-display area N2 and N4, the user significantly reduces.Specifically, because the area of the non-display area N2 at pad cell P place is larger, thus the non-display area N2 at pad cell P place is folding, so that recognizing the border of the viewing area D that is formed by non-display area N2, the user significantly reduces.
Figure 15 is the perspective schematic view according to the flexible display panels 200-1 of the modified example of Figure 12, and Figure 16 is the cut-open view along the flexible display panels 200-1 shown in Figure 14 of the intercepting of the line XVI-XVI among Figure 14.
With reference to Figure 15 and Figure 16, the pad cell P of the non-display area N22(non-display area N2 of the flexible display panels 200 shown in Figure 12 is arranged in non-display area N22) to the inboard refolding of flexible display panels 200-1 once.
Because the peripheral driver (not shown) must be installed in pad cell P place, perhaps connector C must be connected to pad cell P, so as the pad cell P that peripheral driver is installed under the state that is in Figure 12 and Figure 13, when perhaps connector C being electrically connected to the pad cell P under the state that is in Figure 12 and Figure 13, with the width W of the non-display area N2 of the flexible display panels 200 of Figure 12 6Compare the width W of the non-display area N2 that the user identifies 6Increase.
Yet, as in current modified example, as the regional N22 at the pad cell P place of non-display area N2 during to the inboard refolding of flexible display panels 200-1 one time, peripheral driver or connector C are arranged on the inboard of flexible display panels 200-1, so that the width W of the non-display area N2 that the user identifies 6Do not change.
Although in above embodiment, pad cell P is arranged in folding non-display area N22, many aspects of the present utility model are not limited to this.That is, above-mentioned various circuit and wiring can be arranged among the folding non-display area N22.
Figure 17 is the perspective schematic view according to the flexible display panels 300 of another embodiment of the utility model, Figure 18 is the cut-open view along the flexible display panels 300 shown in Fig. 17 of the intercepting of the line XVIII-XVIII among Figure 17, and Figure 19 is the schematic plan view of the example of the flexible display panels 300-B before non-display area N1, N2, N3 and the N4 of Fig. 17 folds.
Hereinafter, will current embodiment be described for the difference of the embodiment of Fig. 1, Figure 12 and Figure 17.
With reference to Figure 19, in the flexible display panels 300-B according to current embodiment, be positioned at the left side of viewing area D non-display area N1, be positioned at the downside of viewing area D non-display area N2, be positioned at viewing area D the right side non-display area N3 and be positioned at viewing area D upside non-display area N4 along with show viewing area D direction (z direction) opposite-the z direction is folding.As a result, the flexible display panels 300 according to the current embodiment of the utility model is configured to as shown in Figure 17.
With reference to Figure 17 and Figure 18, non-display area N1, N2, N3 and N4 that flexible display panels 300 comprises viewing area D and is positioned at viewing area D outside.Non-display area N1, N2, N3 and N4 along with the z opposite direction that shows viewing area D institute edge-the z direction is folding, non-display area N2 and N4 stride across along the vertical direction viewing area D and face with each other, and non-display area N1 and N3 stride across viewing area D along left and right directions and face with each other.
Since non-display area N1, N2, N3 and N4 along with the z opposite direction that shows viewing area D institute edge-the z direction is folding, when seeing flexible display panels 300, the user sees width W so the user is from the front (z direction) of viewing area D 7, wherein, non-display area N1, N2, N3 and N4 are in width W 7The place is folded into around the border of upper and lower sides and the left and right sides of viewing area D.
As mentioned above, because the width W of non-display area N1, N2, N3 and N4 burst 7Become than the original width W before non-display area N1, N2, N3 and N4 are folding 0Little a lot, so recognizing the border of the viewing area D that is formed by non-display area N1, N2, N3 and N4, the user reduces significantly.Specifically, because the area of non-display area N1, N2, N3 and the N4 at pad cell P1, P2, P3 and P4 difference place is large, so it is folding to be respectively arranged with non-display area N1, N2, N3 and the N4 of pad cell P1, P2, P3 and P4, reduces significantly so that the user can recognize the border of the viewing area D that is formed by non-display area.
Figure 20 is the perspective schematic view according to the flexible display panels 300-1 of the modified example of Figure 17, and Figure 21 is the cut-open view along the flexible display panels 300-1 shown in Figure 20 of the intercepting of the line XXI-XXI among Figure 20.
With reference to Figure 20 and Figure 21, the non-display area N12 of the flexible display panels 300 shown in Figure 17 and the pad cell P1 of N32(non-display area N1 and N3 and P3 are arranged in non-display area N12 and N32) to the inboard refolding of flexible display panels 300-1 once.In addition, the non-display area (not shown) at the pad cell P2 of non-display area N2 and N4 and P4 place also to the inboard refolding of flexible display panels 300-1 once.
Because the peripheral driver (not shown) must be installed in each pad cell place of pad cell P1, P2, P3 and P4, perhaps connector C must be electrically connected to each pad cell of pad cell P1, P2, P3 and P4, so when each the pad cell place that peripheral driver is installed in pad cell P1, P2, P3 and P4 under the state that is in Figure 17 and Figure 18, when perhaps connector C being electrically connected to each pad cell of pad cell P1, P2, P3 and P4 under the state that is in Fig. 17 and Figure 18, the width W of non-display area N1, N2, N3 and N4 that the user identifies 7Increase.
Yet, as in current modified example, as the pad cell P1 of non-display area N1 and N3 and P3 when the non-display area N12 at place and N32 are to the inboard refolding of flexible display panels 300-1 one time respectively, peripheral driver or connector C are arranged on the inboard of flexible display panels 300-1, so that the width W of non-display area N1, N2, N3 and N4 that the user identifies 7Do not change.
Although in above embodiment, pad cell P1 and P3 are arranged in folding non-display area N12 and N32, many aspects of the present utility model are not limited to this.That is, above-mentioned various circuit and wiring can be arranged among folding the non-display area N12 and N32.
Figure 22 is the cut-open view according to the flexible display panels that is integrated with touch panel 400 of another embodiment of the utility model, Figure 23 is the cut-open view that the non-display area N1 of the flexible display panels that is integrated with touch panel 400 shown in Figure 22 and N3 are integrated with the flexible display panels 400-B of touch panel before folding, and Figure 24 is the decomposition diagram of the flexible display panels 400-B that is integrated with touch panel shown in Figure 23.
Hereinafter, will current embodiment be described for the difference of the embodiment of Fig. 1, Figure 12, Figure 17 and Figure 21.
With reference to Figure 22, consist of by touch panel 140 being attached to the flexible display panels 100 shown in Fig. 1 according to the flexible display panels that is integrated with touch panel 400 of the current embodiment of the utility model.
With reference to Figure 23 and Figure 24, wiring zone T1, T2, T3 and T4 that touch panel 140 comprises touch area T and is positioned at the outside of touch area T.Touch panel 140 according to current embodiment can use the various touch methods that utilize electric capacity covering, resistive film etc.
Non-display area N1, N2, N3 and N4 that flexible display panels 100-B before non-display area is folding comprises viewing area D and is positioned at the outside of viewing area D.
The touch area T of touch panel 140 and the viewing area D of flexible display panels 100-B are aligned with each other to correspond to each other, so that touch panel 140 and flexible display panels 100-B are bonded to each other.
With the flexible display panels 100-B of touch panel 140 combinations in, the non-display area N1 in the left side that is positioned at viewing area D of flexible display panels 100-B and the non-display area N3 on right side along the z opposite direction that shows viewing area D institute edge-the z direction is folding.As a result, construct the flexible display panels that is integrated with touch panel 400 shown in Figure 22.
Since the wiring of non-display area N1 and N3 and touch panel 140 zone T1, T2, T3 and T4 along with the z opposite direction that shows viewing area D institute edge-the z direction is folding, so when the user from the front (z direction) of viewing area D when seeing the flexible display panels 400 that is integrated with touch panel, the user identifies the width W of non-display area N1 and N3 8, wherein, the width W of non-display area N1 and N3 8As the left side that centers on viewing area D and the border on right side.
As mentioned above, because becoming, the width W 8 of non-display area N1 and N3 burst folds original width W before than non-display area N1 and N3 0Much smaller, so recognizing the border of the viewing area D that is formed by non-display area N1 and N3, the user is significantly reduced.
Although the flexible display panels 100-B shown in Fig. 1 is included in the flexible display panels that is integrated with touch panel 400 shown in the above-mentioned accompanying drawing, but the utility model is not limited to this, the dissimilar flexible display panels shown in Fig. 1, Figure 12 and Figure 17 can be applied to current embodiment.
Figure 25 to Figure 27 shows the example that flexible display panels 100 is combined with various support units.For the ease of explaining, be illustrated with flexible display panels 100.Yet the utility model is not limited to this, can be applied to the flexible display panels that is integrated with touch panel 400 shown in Figure 21.
With reference to Figure 25, by transparency protected window 150 protections and the folding flexible display panels 100 of support non-display area.
Transparency protected window 150 can be attached to flexible display panels 100 with the shape corresponding to flexible display panels 100, that is, and corresponding to the top surface of the demonstration image of flexible display panels 100 and the collapsed shape of flexible display panels 100.That is, transparency protected window 150 can with flexible display panels 100 in conjunction with corresponding to the folding shape of the viewing area D of flexible display panels 100 and non-display area N.Transparency protected window 150 has and allows the light transmission to pass the transmissivity of the display screen of flexible display panels 100, and has the intensity of the distortion that prevents that the restoring force by flexible display panels 100 from causing.Therefore, transparency protected window 150 can protect flexible display panels 100 to avoid external impact or scratch, and can be as the support unit of the shape of supporting flexible display panel 100.Although not shown, bonding agent can be infused between flexible display panels 100 and the transparency protected window 150.
Figure 25 shows transparency protected window 150 and is set directly at situation on the flexible display panels 100.Yet the utility model is not limited to this, also can be applied to the flexible display panels that is integrated with touch panel 400 shown in Figure 21.About this point, transparency protected window 150 can with flexible display panels 100 in conjunction with the flexible display panels 100 corresponding to flexible display panels 100 and/or collapsed shape.
With reference to Figure 26, the inboard of the flexible display panels 100 that non-display area N is folded is supported by supporting member 160.Supporting member 160 has the intensity of the distortion that prevents that the restoring force by flexible display panels 100 from causing.Although not shown, bonding agent can also be infused between flexible display panels 100 and the supporting member 160.
With reference to Figure 27, the folded flexible display panels 100 of non-display area is supported by smooth (not crooked) transparency protected window 170.The folded part of flexible display panels 100 can be supported by groove frame (bezel) or the framework 180 of cross-brace flexible display panels 100.Significantly, although not shown, bonding agent can also be infused between flexible display panels 100, transparency protected window 170 and groove frame or the framework 180.
Above-mentioned support unit is the example that comprises the flexible display panels of the described shape that folds non-display area for support, and those of ordinary skills can carry out various application.
As mentioned above, the flexible display panels by various support unit supports with collapsed shape can be integrated with various display devices, such as TV, computer monitor, PDA, smart phone etc.The ratio of the viewing area of the flexible display panels that non-display area and user recognize is significantly reduced, and compares the picture screen that is exaggerated with other display equipment thereby can provide.
Display device according to above-described embodiment can provide following effect.
At first, non-display area is crooked along the direction opposite with showing the viewing area direction, thereby the border of the viewing area that is formed by non-display area of user's identification is significantly reduced.Secondly, the upper and lower that diaphragm is positioned at flexible display panels is formed with the All Ranges of metal level with covering, thereby can prevent the crackle of the wiring that caused by bending stress when non-display area is crooked.
Although illustrate particularly and described the utility model with reference to preferred embodiment of the present utility model, but skilled person will appreciate that, in the situation that does not break away from the spirit and scope of the present utility model that are defined by the claims, can make in form and details various changes at this.Should only consider embodiment with the meaning of describing, but not for the purpose that limits.Therefore, scope of the present utility model is not that the detailed description by utility model limits, but is defined by the claims, and the whole differences in this scope will be interpreted as being included in the utility model.

Claims (30)

1. a flexible display panels is characterized in that, described flexible display panels comprises:
Flexible panel comprises first area and second area, and the first area comprises the viewing area and be oriented on the first plane that second area comprises non-display area and is oriented on second plane different from the first plane; And
Flexibility is sealed member, is arranged on the flexible panel to seal at least the viewing area.
2. flexible display panels as claimed in claim 1 is characterized in that, from the first direction vertical with the first plane as seen the viewing area is configured to, and non-display area is configured to from first direction invisible.
3. flexible display panels as claimed in claim 1, it is characterized in that, when vertical with first direction less than non-display area from the Area Ratio of the visible non-display area of the first direction vertical with the first plane and viewing area from the Area Ratio of the visible non-display area of first direction and viewing area.
4. flexible display panels as claimed in claim 1 is characterized in that, has the borderline region of radius-of-curvature between first area and second area.
5. flexible display panels as claimed in claim 4 is characterized in that, radius-of-curvature has the value of substantial constant.
6. flexible display panels as claimed in claim 5 is characterized in that, radius-of-curvature is between 0.01mm and 10mm.
7. flexible display panels as claimed in claim 6 is characterized in that, radius-of-curvature is between 0.01mm and 1mm.
8. flexible display panels as claimed in claim 5 is characterized in that, the curved surface of borderline region is arc.
9. flexible display panels as claimed in claim 4 is characterized in that, the viewing area extends in the borderline region.
10. flexible display panels as claimed in claim 4 is characterized in that, non-display area extends in the borderline region.
11. flexible display panels as claimed in claim 4 is characterized in that, each in viewing area and the non-display area extends in the borderline region.
12. flexible display panels as claimed in claim 1 is characterized in that the first area is generally planar.
13. flexible display panels as claimed in claim 1 is characterized in that second area is generally planar.
14. flexible display panels as claimed in claim 1 is characterized in that, flexible substrates also comprises the 3rd zone, and extend also along extending towards the direction of first area from the edge of second area in the 3rd zone.
15. flexible display panels as claimed in claim 14 is characterized in that, non-display area extends to the 3rd zone from second area.
16. flexible display panels as claimed in claim 15 is characterized in that, pad cell is arranged in the 3rd zone.
17. flexible display panels as claimed in claim 1 is characterized in that, described flexible display panels also comprises the restraining barrier between at least one zone in flexible substrates and first area and second area.
18. flexible display panels as claimed in claim 1 is characterized in that, described flexible display panels also comprises the first diaphragm on the side that is positioned at flexible panel and is positioned at flexibility seals the second diaphragm on the side of member.
19. flexible display panels as claimed in claim 18 is characterized in that, the first diaphragm and the second diaphragm are oriented to cover viewing area and the non-display area of flexible panel.
20. flexible display panels as claimed in claim 19 is characterized in that, the first diaphragm and the second diaphragm are located with being mutually symmetrical.
21. flexible display panels as claimed in claim 18 is characterized in that, at least one in the first diaphragm and the second diaphragm comprises polarizing coating.
22. flexible display panels as claimed in claim 18 is characterized in that, the first diaphragm covers the edge of flexible panel, and the second diaphragm covers the flexible edge of sealing member.
23. flexible display panels as claimed in claim 1 is characterized in that, flexibility is sealed member and is comprised in inorganic insulation layer and the organic insulator at least one.
24. flexible display panels as claimed in claim 1 is characterized in that, described flexible display panels also comprises the touch panel that is positioned on flexible substrates and the flexible at least one side of sealing member, shows the image of viewing area at touch panel.
25. flexible display panels as claimed in claim 24 is characterized in that, touch panel comprises the flexible membrane corresponding with the shape cardinal principle of flexible display panels.
26. flexible display panels as claimed in claim 24 is characterized in that, touch panel comprises the wiring zone that is positioned at the touch area on the flexible membrane and is positioned at the outside, touch area, and the touch area is substantially corresponding with the viewing area.
27. a display device is characterized in that, described display device comprises flexible display panels and is used for keeping the support unit of the shape of flexible display panels that flexible display panels comprises:
Flexible panel comprises first area and second area, and the first area comprises the viewing area and be oriented on the first plane that second area comprises non-display area and is oriented on second plane different from the first plane;
Flexibility is sealed member, is arranged on the flexible panel to seal at least the viewing area.
28. display device as claimed in claim 27 is characterized in that, support unit is arranged on flexibility and seals on the member with corresponding with the shape of flexible display panels.
29. display device as claimed in claim 27 is characterized in that, described display device also comprises the first diaphragm on the side that is positioned at flexible panel and is positioned at flexibility seals the second diaphragm on the side of member,
Wherein, the first diaphragm and the second diaphragm are oriented to cover viewing area and the non-display area of flexible panel.
30. display device as claimed in claim 27, it is characterized in that, described display device also comprise be positioned on flexible panel and the flexible at least one side of sealing member with the flexible touch panel corresponding with the shape of flexible panel, show the image of viewing area at flexible touch panel.
CN2012203197959U 2011-06-30 2012-07-02 Flexible display panel and display device including the same Expired - Lifetime CN202887620U (en)

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