CN108681176A - A kind of electrophoretic display panel and fold out display - Google Patents
A kind of electrophoretic display panel and fold out display Download PDFInfo
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- CN108681176A CN108681176A CN201810477547.9A CN201810477547A CN108681176A CN 108681176 A CN108681176 A CN 108681176A CN 201810477547 A CN201810477547 A CN 201810477547A CN 108681176 A CN108681176 A CN 108681176A
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- electrophoretic display
- display panel
- fold line
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- 239000012528 membrane Substances 0.000 claims description 46
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- 238000001962 electrophoresis Methods 0.000 description 19
- 230000000694 effects Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 6
- 239000010408 film Substances 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 5
- 230000009182 swimming Effects 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 239000004642 Polyimide Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004425 Makrolon Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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- 238000005192 partition Methods 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
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- 239000000758 substrate Substances 0.000 description 1
- 239000010409 thin film Substances 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
- G02F1/165—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 translational movement of particles in a fluid under the influence of an applied field
- G02F1/166—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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect
- G02F1/167—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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
-
- 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
- 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
- G09F9/37—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 being movable elements
- G09F9/372—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 being movable elements the positions of the elements being controlled by the application of an electric field
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3433—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices
- G09G3/344—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices based on particles moving in a fluid or in a gas, e.g. electrophoretic devices
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Nonlinear Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Computer Hardware Design (AREA)
- Optics & Photonics (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention relates to a kind of electrophoretic display panels, transparent conductive film, electrophoretic display layer and driving bottom plate including stacking gradually connection, it further include driving chip, multiple sub-pixel driving electrodes are provided on the driving bottom plate, the sub-pixel driving electrodes are set to the lower section of the electrophoretic display layer, it is covered by the electrophoretic display layer, the multiple sub-pixel driving electrodes are connect by the conducting wire below the sub-pixel driving electrodes with the driving chip.Electrophoretic display panel provided by the invention has relatively narrow screen frame.
Description
Technical field
The invention belongs to electrophoresis showed display fields, and in particular to a kind of electrophoretic display panel and fold out display.
Background technology
Current display is typically all by driving bottom plate (thin film transistors：TFT) driving is carried out to show
Pixel.Scan line 103 is connected to the external gate driving IC (Gate) for providing scanning signal, and signal wire 104 is connected to offer figure
As the external source driving IC (Source) of signal, by the TFT connected by scanning signal, the figure that will be inputted by source drive IC
As signal is supplied to display, specified image is shown.Scan line 103 is connected to gate driving IC (Gate), and signal wire 104 connects
It is connected in the method for source drive IC (Source), has chip-shaped using the TAB methods and glass plate base of printed circuit board
(Chip On Glass), in Chip On Glass methods, grid drive chip and source driving chip are attached directly to aobvious
On the frame 101 of the viewing area side of display screen, for arrangement of conductors on the frame of side, this wiring is commonly referred to as " screen wiring "
(with reference to figure 1).
The mode of " screen wiring " is by carrying out cabling in display screen side, this, which allows for display screen, can have certain side
Frame influences display effect.It, can be by improving line material so that circuit attenuates in the prior art in order to reduce the thickness of frame
To reduce the thickness of frame.Either using the wire laying mode of Gate on Array (GOA), grid drive chip decomposes screen
Edge do circuit, to reduce the frame of display screen (with reference to figure 2).
But all there is still a need for connected up in display screen side for above-mentioned improvement plan so that the contracting of the seal ring thickness of display screen
Small value is especially limited.Lack a kind of electrophoretic display panel that can more reduce display screen frame at present.
Invention content
Based on this, it is necessary to provide a kind of electrophoretic display panel and fold out display that screen frame is relatively narrow.
The present invention provides a kind of electrophoretic display panel, including stack gradually the transparent conductive film of connection, electrophoretic display layer and
Bottom plate is driven, multiple sub-pixel driving electrodes are provided on the driving bottom plate and is set to below multiple sub-pixel driving electrodes
Conducting wire, the sub-pixel driving electrodes and the conducting wire are set to the lower section of the electrophoretic display layer, by the electrophoresis showed
Layer covering, the multiple sub-pixel driving electrodes are connect by conducting wire with driving chip, and the conducting wire is used to be electrophoretic display panel
Scanning signal and picture signal are provided.
Preferably, the driving chip is set on the driving bottom plate, and the driving chip is located at the electrophoresis showed
The side of layer, the driving bottom plate are hard floor or flexible plate, it is preferable that the conducting wire includes scan line and signal wire.
Preferably, include the first flexible membrane and the second flexible membrane of multiple electrophoretic display panels, interconnection, the multiple electricity
Swimming display screen is held between first flexible membrane and the second flexible membrane, and first flexible membrane and the second flexible membrane are at least
One is transparent, and fold line is formed between adjacent electrophoretic display panel, and the electrophoretic display panel can be folded along fold line.
Preferably, the fold line includes main fold line and time fold line, and the multiple electrophoretic display panel is in two row multiple rows
It is layed on the first flexible membrane, forms the main fold line between two row electrophoretic display panels, between the electrophoretic display panel of adjacent column
The secondary fold line is formed, each electrophoretic display panel outer side edges shape opposite with the main fold line and/or secondary fold line
At there is connection circuit.
Preferably, except by the connection circuit connect in addition to, adjacent electrophoretic display panel along the main fold line and time
The region of fold line is not electrically connected.
Preferably, the connection circuit includes the first connection circuit and the second connection circuit, each electrophoretic display panel
The outer side edges opposite with the main fold line are each formed with the first connection circuit, often the adjacent electrophoretic display panel of row electrophoretic display panel
Between first connection circuit interconnect.
Two electrophoretic display panels of the row head and/or end of line that are preferably located at the fold out display are rolled over described time
The second connection circuit is formed in the opposite outer side edges of superimposing thread.
Two electrophoretic display panels of the row head and/or end of line that are preferably located at the fold out display are rolled over described time
The the second connection circuit formed in the opposite outer side edges of superimposing thread interconnects, it is preferable that the first connection circuit and described the
Two connection circuit connections.
Preferably, the driving chip is set on the connection circuit.
Preferably, first flexible membrane and the second flexible membrane are formed with folding trace along the fold line.
Electrophoretic display panel provided by the invention has relatively narrow screen frame.
Description of the drawings
It is more particularly described by the preferred embodiment of the present invention shown in attached drawing, above and other purpose of the present invention, feature
It will be become more fully apparent with advantage.Identical reference numeral indicates identical part in whole attached drawings, and does not press deliberately real
Border size equal proportion scaling draws attached drawing, it is preferred that emphasis is shows this purport.
Fig. 1 is the Chip On Glass schematic wiring diagrams that the prior art provides；
Fig. 2 is the Gate on Array schematic wiring diagrams that the prior art provides；
Fig. 3 is the schematic wiring diagram of electrophoretic display panel provided in an embodiment of the present invention；
Fig. 4 is the first folded state schematic diagram for the fold out display that first embodiment of the invention provides；
Fig. 5 is the second folded state schematic diagram of the fold out display that first embodiment of the invention provides；
Fig. 6 is the structural schematic diagram after the fold out display expansion that first embodiment of the invention provides；
Fig. 7 is the structural schematic diagram after the fold out display expansion that second embodiment of the invention provides；
Fig. 8 is the preparation process schematic diagram of fold out display provided in an embodiment of the present invention.
Specific implementation mode
Technical solution of the present invention is described in further detail in the following with reference to the drawings and specific embodiments, so that this field
Technical staff can be better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Referring to figs. 1 to Fig. 8, the embodiment of the present invention provides a kind of electrophoretic display panel 3, including stacks gradually the transparent of connection and lead
Conductive film, electrophoretic display layer and driving bottom plate, driving bottom plate are hard floor or flexible plate.
It is provided with multiple sub-pixel driving electrodes on driving bottom plate and is set to leading below multiple sub-pixel driving electrodes
Line, sub-pixel driving electrodes and conducting wire are set to the lower section of electrophoretic display layer, are covered by electrophoretic display layer, multiple sub-pixel drivings
Electrode is connect by the conducting wire below sub-pixel driving electrodes with driving chip 105, and driving chip 105 can be set to electricity
It swims in display screen 3, may also set up in outside electrophoretic display panel 3.Conducting wire includes scan line 103 and signal wire 104, for being shown for electrophoresis
Display screen provides scanning signal and picture signal.Transparent conductive film and driving bottom plate are used to apply telecommunications at electrophoretic display layer both ends
Number.
The preparation method of the driving bottom plate of the electrophoretic display panel 3 of the present embodiment is：TFT processing procedures are first passed through to prepare on substrate
Then scan line 103 prepares insulating layer in scan line 103, then prepare signal wire 104 on the insulating layer, insulating layer can
Keep scan line 103 and signal wire 104 mutually isolated, each other without interruption.Then again on the signal wire 104 being prepared
Side makes multiple sub-pixel driving electrodes again by TFT processing procedures.Conducting wire (including scan line 103 and signal wire 104) is set to
Below sub-pixel driving electrodes, covered by electrophoretic display layer.101 size of frame can be largely reduced, is had preferable aobvious
Show effect.
In a preferred embodiment, driving chip 105 is set on driving bottom plate, and driving chip 105 is located at electrophoretic display layer
Side.
In the finished product of liquid crystal display (LCD), organic luminous semiconductor (OLED) and the field electrophoresis showed (EPD), mesh
It is preceding to be all utilized in the mode connected up on screen (with reference to figure 1 and Fig. 2), it is difficult to effectively to reduce the width of display screen frame 101.Especially
It is in liquid crystal display (LCD), the field organic luminous semiconductor (OLED), and circuit is more complicated, considers signal interference, system
The influence of the factors such as standby technique and yield, there are no the modes connected up below display screen in finished product at present.Electrophoresis showed
(EPD) application is later, and the mode of wiring is also all equally to be difficult to reduce display screen frame using wire laying mode on traditional screen
101 thickness.
Applicants have discovered that in electrophoresis showed field, scan line 103 and signal wire 104 are distributed in below display screen
(with reference to figure 3), for the display of electrophoretic display panel 3, there is no too much influences, this is because electrophoresis showed wants signal interference
Ask low.And because the pixel circuit that electrophoresis showed requires is simple, this wire laying mode to the yield of electrophoresis showed product not yet
Have too big influence.And shield 101 size of frame that lower wiring can substantially reduce electrophoretic display panel 3, display effect is more preferable.
For narrow frame 101 increasingly from the point of view of by the favorite market demand of consumer, the present invention has larger economic benefit at present.
With reference to figure 4 to Fig. 8, the present invention also provides a kind of fold out display, including multiple electrophoretic display panels 3, interconnection
The first flexible membrane 7 and the second flexible membrane 8, multiple electrophoretic display panels 3 are held between the first flexible membrane 7 and the second flexible membrane 8,
At least one of first flexible membrane 7 and the second flexible membrane 8 is transparent, and fold line, electrophoresis showed are formed between adjacent electrophoretic display panel 3
Screen 3 can be folded along fold line.Multiple electrophoretic display panels are realized by covering one layer of flexible membrane in about 3 electrophoretic display panel
3 combination, not only operation are easy, and simple in structure, manufacturing cost is low, and folding effect is good.And electricity provided in this embodiment
Display screen 3 of swimming has smaller screen frame 101, and display area is larger, and multiple electrophoretic display panels 3 form fold out display, no
It is only capable of with folding effect, and there is better tiled display effect.In a preferred embodiment, the first flexible membrane 7 and second
The materials such as polyimides (PI), polyethylene terephthalate (PET), makrolon (PC) can be selected in flexible membrane 8, have compared with
Good water proof and dust proof effect, can further protect fold out display.
Join Fig. 4 to Fig. 8, in a preferred embodiment, fold line includes main fold line 1 and time fold line 2, multiple electrophoresis showeds
Screen 3 is layed in two row multiple rows on the first flexible membrane 7, and main fold line 1, the electricity of adjacent column are formed between two row electrophoretic display panels 3
Time fold line 2, the outside opposite with main fold line 1 and/or secondary fold line 2 of each electrophoretic display panel 3 are formed between swimming display screen 3
While being formed with connection circuit 4.Connection circuit 4 is flexible PCB FPC (Flexible Printed Circuit), can be shown relatively
Display screen is folded, and in use, can will be connected display screen of the circuit 4 with respect to display screen 3 and be folded round about, no
Influence the appearance of display screen.The mode that chip bonding can be used in connection circuit 4 is fixed on 3 side of electrophoretic display panel, for electricity
Swimming display screen 3 is driven.Circuit 4 is connected in the outside of fold out display, will not be influenced by folding, it is aobvious to improve folding
Show the service life of device.Electrophoretic display panel 3 is easier to realize that each electrophoretic display panel 3 is equipped with connection circuit in the setting of two row multiple rows
4.Each electrophoretic display panel 3 has independently formed connection circuit 4 so that individually electrophoretic display panel 3 can independently be shown, also can be more
The cooperation of a electrophoretic display panel 3 is shown that display effect is more preferable, it is easier to realize.
In a preferred embodiment, driving chip 105 is set on connection circuit 4.Driving chip 105 can be arranged in electrophoresis
On display screen 3, COF techniques can also be used, driving chip 105 is set on connection circuit 4.
In a preferred embodiment, in addition to by connecting the connection of circuit 4, adjacent electrophoretic display panel 3 is along 1 He of main fold line
The region of secondary fold line 2 is not electrically connected.Namely adjacent electrophoretic display panel 3 can be by the connection that is arranged on electrophoretic display panel 3
Circuit 4 is attached the connection between circuit 4, but adjacent electrophoretic display panel 3 is along the area of main fold line 1 and time fold line 2
Domain does not have circuit connection, that is, main fold line 1 and time 2 region of fold line are electric partition state, and no current passes through.So that folding
Display cabling is simple, and preparation is more prone to, and because of adjacent electrophoretic display panel 3 along main fold line 1 and time fold line 2
Region is not electrically connected, and can be had if will not influencing the display life of fold out display fold out display repeatedly folds
Effect reduces the thickness for folding trace, and folding effect is more preferable.
With reference to figure 4, Fig. 5 and Fig. 6, in a preferred embodiment, connection circuit 4 includes that the first connection circuit 41 and second connects
Circuit 42, the outer side edges opposite with main fold line 1 of each electrophoretic display panel 3 are each formed with first and connect circuit 41, often row electrophoresis
The first connection circuit 41 between the adjacent electrophoretic display panel 3 of display screen 3 interconnects.3 liang of row multiple rows of electrophoretic display panel are set
Set, it is easier to ensure to realize on each electrophoretic display panel 3 be formed with connection circuit 4, and first connection circuit 41 be arranged
In the opposite outer side edges of main fold line 1, it can ensure that connecting circuit 4 will not be damaged because of folding.Often row electrophoresis showed
The first connection circuit 41 between the adjacent electrophoretic display panel 3 of screen 3 interconnects.At this time in the main fold line 1 of fold out display
Opposite both sides are equipped with connecting interface 51, are connect (with reference to figure 6) with mainboard 20 by connecting interface 51, can realize external electrical
Road can drive the electrophoretic display panel 3 in display.
With reference to figure 7, in a preferred embodiment, it is located at the row head of fold out display and/or two electrophoretic display panels 3 of end of line
It is formed with second in the outer side edges opposite with secondary fold line 2 and connect circuit 42.In further preferred embodiments, it is located at and folds
The second company that the row head of display and/or two electrophoretic display panels 3 of end of line are formed in the outer side edges opposite with secondary fold line 2
Connect the interconnection of circuit 42.In still more preferably embodiment, the first connection circuit 41 connect circuit 42 with second and connects.Example
If the second connection circuit 42 is mutual, the first connection circuit 41 is mutual, and the second connection circuit 42 connect circuit with first
41 can be attached or other modes by flexible print circuit board 5 (Printed Circuit Board Assembly)
It is attached.Namely all connection circuits (including the first connection circuit 41 and second connects circuit 42) can be achieved to go here and there successively
Connection.So that fold out display only needs that a connecting interface 51 is arranged, mainboard 20 can be realized to all aobvious of fold out display
Display screen 3 is driven.Structure is simpler so that fold out display is lighter after folding.
In a preferred embodiment, adjacent electrophoretic display panel 3 is in the gap for being formed with 1-15mm along the region of fold line.Neither
It can influence display effect, moreover it is possible to which there is preferable folding effect.
In a preferred embodiment, the first flexible membrane 7 and the second flexible membrane 8 are formed with folding trace along fold line.Electrophoresis showed
Screen 3 is folded along folding trace and is more easily realized, folding effect is more preferable.
With reference to figure 8, the embodiment of the present invention also provides a kind of preparation method of fold out display, includes the following steps：
It is laid with the first flexible membrane 7；
Multiple electrophoretic display panels 3 are laid on the first flexible membrane 7, multiple electrophoretic display panels 3 are layed in two row multiple rows
On one flexible membrane 7, main fold line 1 is formed between two row electrophoretic display panels 3, forms time folding between the electrophoretic display panel 3 of adjacent column
Superimposing thread 2.Each outer side edges opposite with main fold line 1 and/or secondary fold line 2 of electrophoretic display panel 3, which are formed with, connect circuit 4.Even
It connects circuit 4 mode of chip bonding can be used and be fixed on 3 side of electrophoretic display panel, for being driven to electrophoretic display panel 3.Even
Circuit 4 is connect in the outside of fold out display, will not be influenced by folding, improve the service life of fold out display.
The electrophoretic display panel 3 being laid with herein can make electrophoretic display panel 3 on the first flexible membrane 7, in the present embodiment
Electrophoretic display panel 3 be electrophoresis electrophoretic display panel 3, then the specific steps are：Driving bottom plate is formed on the first flexible membrane 7, moves bottom
Plate is that hard drives bottom plate and/or flexible drive bottom plate, driving bottom plate to be equipped with driving electrodes, and electrophoresis is coated on driving bottom plate
It shows liquid, obtains electrophoretic display layer, conductive film is set on electrophoretic display layer, conductive film and driving electrodes are used in electrophoresis
Display layer both ends apply electric signal, obtain display screen 3.It repeats this step and multiple display screens 3 can be obtained.Directly in the first flexible membrane
Coating forms display screen 3 on 7, it is easier to prepare flexible display screen, flexible effect is more preferable, the folding effect of fold out display also compared with
It is good.
It also can be by the way that directly by the electrophoretic display panel 3 prepared, (can swim display screen 3 or hard electricity for flexible electrical
Swimming display screen 3) arrangement be positioned on the first flexible membrane 7.Electrophoretic display panel 3 has first been prepared separately, has been more prone to operate, also can
It is easier to the step of realization prepares waterproof layer and sealing, preparation process is simpler easy to implement, the effect of water proof and dust proof also phase
To preferable.
It is laid with the second flexible membrane 8 on multiple electrophoretic display panels 3, multiple electrophoretic display panels 3 is made to be held on the first flexible membrane 7
It is between the second flexible membrane 8 and fixed.In the present embodiment, display screen 3 can be formed on the first flexible membrane 7, then to cover second soft
Property film 8, can also form display screen 3, then cover the first flexible membrane 7 on the second flexible membrane 8.As long as can ensure display screen 3
Show flexible membrane (first flexible membrane 7 or second flexible membrane 8) of the screen towards transparent setting.
Electrophoretic display panel provided in an embodiment of the present invention has relatively narrow frame.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of electrophoretic display panel, which is characterized in that transparent conductive film, electrophoretic display layer and drive including stacking gradually connection
Bottom plate is moved, multiple sub-pixel driving electrodes are provided on the driving bottom plate and is set to below multiple sub-pixel driving electrodes
Conducting wire, the sub-pixel driving electrodes and the conducting wire are set to the lower section of the electrophoretic display layer, by the electrophoretic display layer
Covering, the multiple sub-pixel driving electrodes are connect by conducting wire with driving chip, and the conducting wire for electrophoretic display panel for carrying
For scanning signal and picture signal.
2. electrophoretic display panel as described in claim 1, which is characterized in that the driving chip is set to the driving bottom plate
On, the driving chip is located at the side of the electrophoretic display layer, and the driving bottom plate is hard floor or flexible plate, preferably
Ground, the conducting wire include scan line and signal wire.
3. a kind of fold out display, which is characterized in that including it is multiple as claims 1 or 2 any one of them electrophoretic display panels,
The first flexible membrane and the second flexible membrane interconnected, the multiple electrophoretic display panel are held on first flexible membrane and second
Between flexible membrane, at least one of first flexible membrane and the second flexible membrane is transparent, and folding is formed between adjacent electrophoretic display panel
Superimposing thread, the electrophoretic display panel can be folded along fold line.
4. fold out display as claimed in claim 3, which is characterized in that the fold line includes main fold line and time folding
Line, the multiple electrophoretic display panel are layed in two row multiple rows on the first flexible membrane, between two row electrophoretic display panels described in formation
Main fold line forms the secondary fold line between the electrophoretic display panel of adjacent column, each electrophoretic display panel and the main folding
Superimposing thread and/or the opposite outer side edges of secondary fold line are formed with connection circuit.
5. fold out display as claimed in claim 4, which is characterized in that adjacent in addition to being connected by the connection circuit
Electrophoretic display panel is not electrically connected along the region of the main fold line and time fold line.
6. fold out display as claimed in claim 4, which is characterized in that the connection circuit includes the first connection circuit and the
Two connection circuits, each electrophoretic display panel outer side edges opposite with the main fold line are each formed with the first connection circuit,
Often the first connection circuit between the adjacent electrophoretic display panel of row electrophoretic display panel interconnects.
7. fold out display as claimed in claim 6, which is characterized in that be located at the row head and/or row of the fold out display
Two electrophoretic display panels of tail are formed with the second connection circuit in the outer side edges opposite with the secondary fold line.
8. fold out display as claimed in claim 7, which is characterized in that be located at the row head and/or row of the fold out display
The second connection circuit that two electrophoretic display panels of tail are formed in the outer side edges opposite with the secondary fold line interconnects, excellent
Selection of land, the first connection circuit connect circuit connection with described second.
9. fold out display as claimed in claim 4, which is characterized in that the driving chip is set to the connection circuit
On.
10. fold out display as claimed in claim 3, which is characterized in that first flexible membrane and the second flexible membrane are along institute
It states fold line and is formed with folding trace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810477547.9A CN108681176A (en) | 2018-05-18 | 2018-05-18 | A kind of electrophoretic display panel and fold out display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810477547.9A CN108681176A (en) | 2018-05-18 | 2018-05-18 | A kind of electrophoretic display panel and fold out display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108681176A true CN108681176A (en) | 2018-10-19 |
Family
ID=63806719
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| CN201810477547.9A Pending CN108681176A (en) | 2018-05-18 | 2018-05-18 | A kind of electrophoretic display panel and fold out display |
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| CN110942724A (en) * | 2019-12-19 | 2020-03-31 | 武汉华星光电半导体显示技术有限公司 | Folding display panel and display device |
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Application publication date: 20181019 |