CN107121854A - Display panel and its manufacture method, display device - Google Patents
Display panel and its manufacture method, display device Download PDFInfo
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- CN107121854A CN107121854A CN201710464297.0A CN201710464297A CN107121854A CN 107121854 A CN107121854 A CN 107121854A CN 201710464297 A CN201710464297 A CN 201710464297A CN 107121854 A CN107121854 A CN 107121854A
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- substrate
- display panel
- conductive land
- cof
- conductive
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
-
- 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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
-
- 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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13458—Terminal pads
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136209—Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
Abstract
The present invention discloses a kind of display panel and its manufacture method, display device.Present invention design Bonding pad include the first conductive land and the second conductive land, first conductive land is arranged on the surface of first substrate, second conductive land is arranged on the side of first substrate, that is, the present invention is also equipped with the Bonding pad being connected with COF in the side of array base palte.Based on this, the present invention can improve Bonding pad electrical efficiency and its connective stability with COF on the premise of being conducive to narrow frame and Rimless to design.
Description
Technical field
The present invention relates to display technology field, and in particular to a kind of display panel and its manufacture method, display device.
Background technology
At present, the narrow frame and Rimless (Bezel- of liquid crystal display device (LCD, Liquid Crystal Display)
Less) design is a development trend, and due to reducing the thickness of frame, user will obtain more when appreciating display picture
The display device of wide visual field, same size, narrow frame and Rimless can allow people to feel bigger.Meanwhile, remove after frame,
Its display panel looks like an entirety, and the vestige not spliced, outward appearance is more attractive in appearance.
However, narrow frame and Rimless design the conductive area for causing display device to leave display panel for smaller, such as position
The upper surface of array base palte, Bonding are only arranged in the Bonding pad (conductive land) of the non-display area of display panel
Pad area is smaller, causes Bonding pad and COF (Chip On Film, chip on film) contact area smaller, so that
Reduce Bonding pad electrical efficiency and its connective stability with COF.
The content of the invention
In view of this, the present invention provides a kind of display panel and its manufacture method, display device, can be conducive to display
On the premise of narrow frame and the Rimless design of device, Bonding pad electrical efficiency and its stable connection with COF are improved
Property.
The display panel of one embodiment of the invention, including the first substrate and second substrate that COF and relative spacing are set,
First substrate is provided with the TFT being arranged in array in the viewing area of display panel, and is set in the non-display area of display panel
There are the be connected with TFT first conductive land, the second conductive land being connected with the first conductive land, the first conductive combination
Area is arranged at first substrate towards on the surface of second substrate, and the second conductive land is arranged on the side of first substrate, the
Two conductive lands are connected with COF and are used to access drive signal by COF.
The display device of one embodiment of the invention, including above-mentioned display panel.
The manufacture method of the display panel of one embodiment of the invention, including：
One is provided to complete to the display panel of box processing procedure, the display panel include the first substrate that relative spacing sets and
Second substrate, first substrate is formed with the TFT being arranged in array in the viewing area of display panel, and in the non-aobvious of display panel
Show that area is formed with the conductive land of first be connected with TFT, the first conductive land is formed at first substrate towards second substrate
Surface on；
The second conductive land, the described second conductive land and the described first conduction are formed on the side of first substrate
Land is connected；
COF is connected with the second conductive land, so that drive signal is accessed in the second conductive land by COF.
Beneficial effect：Present invention design first substrate is provided with the conductive knot of connected first in the non-display area of display panel
Area and the second conductive land are closed, the first conductive land is arranged on the surface of first substrate, and the second conductive land is set
In on the side of first substrate, i.e. the present invention is also equipped with Bonding pad in the side of array base palte, can increase and COF
The Bonding pad areas of connection, therefore, it is possible to improve Bonding pad electrical efficiency and its connective stability with COF,
And Bonding pad thickness is smaller, the non-display area width of display panel can't be increased, be conducive to the narrow of display device
Frame and Rimless design.
Brief description of the drawings
Fig. 1 is the structure sectional view of the display panel of one embodiment of the invention；
Fig. 2 is the structural representation of the display device of one embodiment of the invention；
Fig. 3 is the schematic flow sheet of the manufacture method of the display panel of one embodiment of the invention；
Fig. 4 is the schematic diagram that display panel is manufactured based on method shown in Fig. 3.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the skill of each exemplary embodiment provided by the present invention
Art scheme is clearly and completely described.In the case where not conflicting, each following embodiment and its technical characteristic can be mutual
Combination.Also, the directional terminology used in full of the invention, such as " on ", " under ", "left", "right", is for more preferably
Description each embodiment, be not intended to limit protection scope of the present invention.
Referring to Fig. 1, the structure sectional view of the display panel for one embodiment of the invention.By taking liquid crystal display panel as an example,
The display panel 10 of the present embodiment includes the first substrate 11 that relative spacing sets, second substrate 12 and is filled in two substrates
Between liquid crystal 13, liquid crystal 13 be located at first substrate 11 and second substrate 12 superposition formed liquid crystal cell in.
Hereafter with first substrate 11 for array base palte (Thin Film Transistor Substrate, TFT substrate or
Array substrates) exemplified by be described, correspondingly, second substrate 12 be color membrane substrates (Color Filter Substrate, CF
Substrate).
Display panel 10 includes viewing area (Active Area, AA) 10a and non-display area 10b.Wherein, array base palte 11
In viewing area, 10a is provided with the multiple TFT (Thin Film Transistor, thin film transistor (TFT)) being arranged in array, non-aobvious
Show the first conductive conductive land 112 in land 111 and second that area 10b sets promising TFT to provide drive signal.
First conductive land 111 is arranged at array base palte 11 towards on the surface of color membrane substrates 12.It is real in the present invention one
Apply in example, the first conductive land 111 can be arranged at the underface of the black matrix 113 of array base palte 11, also, the first conduction
Fluid sealant (seal) 114 can be filled between land 111 and black matrix 113, the fluid sealant 114 can be used for fixing array base
Plate 11 and color membrane substrates 12 simultaneously cause two substrates to be superimposed to form sealed liquid crystal cell.
Second conductive land 112 is arranged on the side of array base palte 11.Second conductive land 112 is not only with first
Conductive land 111 is connected, and is fixedly connected with COF 115.Specifically, COF 115 can cover the second conductive combination
COF 115 is encapsulated and is fixed on the second conductive land 112 by area 112, packaging plastic (resin) 116.Wherein, COF 115 can
To be connected with PCBA (Printed Circuit Board Assembly assemble printed circuit board (PCB)), so that second is conductive
Drive signal is accessed in land 112 by COF 115, to control liquid crystal 13 to deflect, and then display panel 10 is carried out
Picture is shown.
In the present invention, the first conductive land 111 can be considered the Bonding pad of prior art, the second conductive combination
Area 112 is arranged at the side of array base palte 11, the Bonding pad newly increased equivalent to the present invention.That is, phase of the present invention
When being further provided with Bonding pad in the side of array base palte 11 on the basis of existing technology, pass through increase second
Conductive land 112 and COF 115 contact area, it becomes possible to improve Bonding pad electrical efficiency and Bonding
Pad and COF 115 connective stability.Also, in view of the thickness of the second conductive land 112 is smaller, the present invention can't increase
Plus non-display area 10b width, be conducive to the narrow frame and Rimless design of the display device with display panel 10.
In an embodiment of the present invention, packaging plastic 116 can also cover the whole side of display panel 10, thus realize every
Oxygen water proof function.In addition, packaging plastic 116 can be made by shading material, to avoid display panel 10 from occurring in non-display area 10b
Light leakage phenomena.
The present invention also provides the liquid crystal display device 20 just like embodiment illustrated in fig. 2, and the liquid crystal display device 20 includes upper
State display panel 10 and the backlight module 21 of light is provided for display panel 10.Because the liquid crystal display device 20 can also have
There is the design of above-mentioned display panel 10, therefore it has beneficial effect same as described above.
Referring to Fig. 3, the schematic flow sheet of the manufacture method for the display panel of one embodiment of the invention.The display surface
The manufacture method of plate can include step S31~S33.
S31：One is provided to complete to the display panel of box processing procedure, display panel include the first substrate that relative spacing sets and
Second substrate, first substrate is formed with the TFT being arranged in array in the viewing area of display panel, and in the non-aobvious of display panel
Show that area is formed with the conductive land of first be connected with TFT, the first conductive land is formed at first substrate towards second substrate
Surface on.
The first substrate and second substrate are not limited to the array base palte and color membrane substrates of liquid crystal display panel, can be with
It is two substrates of OLED (Organic Light-Emitting Diode, Organic Light Emitting Diode) panel.
In practical application scene, refering to Fig. 4, complete to make multiple display panels 40 of box processing procedure with an entirety
Obtain, therefore the present invention is integrally cut firstly the need of to this, so as to obtain independent multiple display panels 40.Each display
Panel 40 includes first substrate 41 and second substrate 42 that relative spacing is set, display of the first substrate 41 in display panel 40
Area is formed with the TFT being arranged in array, and is formed with the first conductive knot for being connected with TFT in the non-display area of display panel 40
Close area 411, and the first conductive land 411 is formed at first substrate 41 towards on the surface of second substrate 42.In the present invention
In one embodiment, the first conductive land 411 can be formed at the underface of the black matrix 412 of first substrate 41, and first
Fluid sealant 413 can be filled between conductive land 411 and black matrix 412, fluid sealant 413 is used to fix the He of first substrate 41
Second substrate 42 simultaneously causes two substrates to be superimposed to form sealed liquid crystal cell.
S32：The second conductive land, the described second conductive land and described first are formed on the side of first substrate
Conductive land is connected.
With continued reference to Fig. 4, the present invention can be carried out first at end surface grinding using grinding whetslate to the side of first substrate 41
Reason, to cause the smooth-sided compression candles of first substrate 41 smooth.Then, one layer of conducting particles is deposited on the side of first substrate 41
414.The metal particle deposition that one embodiment of the invention can be inspired metal targets 43 by vapour deposition process is in the first base
On the side of plate 41, good electric conductivity, its material present invention can be had by constituting the material of the metallic of conducting particles 414
Do not limited.Then, one layer of light reaction solvent of even spread, i.e. photoresist on conducting particles 414.Further, adopt
With light shield 44 and Exposing Lamp 45, and the side of first substrate 41 is exposed by exposure technology, to remove the light being exposed
Reaction dissolvent, then removes the conducting particles 414 not covered by light reaction solvent, so that first through over etching and developing manufacture process
The second conductive land 415 with predetermined pattern is formed on the side of substrate 41.
S33：COF is connected with the second conductive land, so that drive signal is accessed in the second conductive land by COF.
Wherein, COF 416 can cover the second conductive land 415, and the present invention can cover packaging plastic on COF 416
417, COF 416 is encapsulated and is fixed on the second conductive land 415.COF 416 can be connected with PCBA, so that the
Drive signal is accessed in two conductive lands 415 by COF 416, to control liquid crystal 46 to deflect.
The method of the present embodiment can be made has mutually isostructural display panel, therefore tool with display panel 10 shown in Fig. 1
There is same beneficial effect.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Technical characteristic is mutual between equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, such as each embodiment
With reference to, or other related technical fields are directly or indirectly used in, it is included within the scope of the present invention.
Claims (10)
1. a kind of display panel, including the first substrate and second substrate that chip on film COF and relative spacing are set, its feature
It is, the first substrate is provided with the TFT being arranged in array in the viewing area of the display panel, and in the display surface
The non-display area of plate is provided with the conductive land of first be connected with the TFT, be connected with the described first conduction land the
Two conductive lands, the described first conductive land is arranged at the first substrate towards on the surface of the second substrate, institute
State the second conductive land to be arranged on the side of the first substrate, the described second conductive land is connected simultaneously with the COF
For accessing drive signal by the COF.
2. display panel according to claim 1, it is characterised in that the first substrate also includes black matrix, described the
One conductive land is arranged at the underface of the black matrix.
3. display panel according to claim 1, it is characterised in that the conductive land of the COF coverings described second, institute
Stating display panel also includes the packaging plastic positioned at its one end, and the COF is fixed on the described second conductive combination by the packaging plastic
Qu Shang.
4. a kind of display device, it is characterised in that the display device includes the display surface described in any one of claims 1 to 3
Plate.
5. a kind of manufacture method of display panel, it is characterised in that methods described includes：
Display panel of the completion to box processing procedure is provided, the display panel includes the first substrate and second that relative spacing is set
Substrate, the first substrate is formed with the TFT being arranged in array in the viewing area of the display panel, and in the display surface
The non-display area of plate is formed with the conductive land of first be connected with the TFT, and the described first conductive land is formed at described
First substrate is towards on the surface of the second substrate；
The second conductive land, the described second conductive land and the described first conduction are formed on the side of the first substrate
Land is connected；
Chip on film COF is connected with the described second conductive land, so that the described second conductive land is connect by the COF
Enter drive signal.
6. method according to claim 5, it is characterised in that the formation second on the side of the first substrate is led
It is electrically coupled before area, methods described also includes：
End surface grinding processing is carried out to the side of the first substrate.
7. method according to claim 5, it is characterised in that the formation second on the side of the first substrate is led
Area is electrically coupled, including：
Conducting particles is deposited on the side of the first substrate；
One layer of light reaction solvent of even spread on the conducting particles；
The side of the first substrate is exposed using light shield exposure technology, to be formed on the side of the first substrate
The second conductive land with predetermined pattern.
8. method according to claim 7, it is characterised in that described to deposit conductive particle on the side of the first substrate
Son, including：
The metal particle deposition for being inspired metal targets by vapour deposition process is on the side of the first substrate.
9. method according to claim 5, it is characterised in that the first substrate also includes black matrix, and described first leads
It is electrically coupled the underface that area is formed at the black matrix.
10. method according to claim 5, it is characterised in that the conductive land of the COF coverings described second, described
Method also includes：
Packaging plastic is formed in one end of the display panel, the COF is fixed on the described second conductive combination by the packaging plastic
Qu Shang.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710464297.0A CN107121854A (en) | 2017-06-19 | 2017-06-19 | Display panel and its manufacture method, display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710464297.0A CN107121854A (en) | 2017-06-19 | 2017-06-19 | Display panel and its manufacture method, display device |
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| CN107121854A true CN107121854A (en) | 2017-09-01 |
Family
ID=59719065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710464297.0A Pending CN107121854A (en) | 2017-06-19 | 2017-06-19 | Display panel and its manufacture method, display device |
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Cited By (27)
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| CN107505785A (en) * | 2017-09-14 | 2017-12-22 | 深圳市华星光电技术有限公司 | Liquid crystal panel and preparation method thereof, display device |
| CN107526222A (en) * | 2017-09-11 | 2017-12-29 | 深圳市华星光电技术有限公司 | Array base palte and preparation method thereof, display device |
| CN107833907A (en) * | 2017-11-21 | 2018-03-23 | 武汉华星光电半导体显示技术有限公司 | A kind of flexible OLED display and glue sealing method |
| CN108089382A (en) * | 2017-12-28 | 2018-05-29 | 惠州市华星光电技术有限公司 | A kind of liquid crystal panel and display device |
| CN108447891A (en) * | 2018-05-07 | 2018-08-24 | 京东方科技集团股份有限公司 | A kind of production method of display panel, display panel and printer device |
| CN109001943A (en) * | 2018-07-26 | 2018-12-14 | 武汉华星光电技术有限公司 | A kind of display module and preparation method thereof and electronic device |
| CN109581767A (en) * | 2019-01-16 | 2019-04-05 | 深圳市华星光电半导体显示技术有限公司 | Display module and display device |
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| CN109817100A (en) * | 2019-03-15 | 2019-05-28 | 京东方科技集团股份有限公司 | Narrow frame, ultra-narrow frame display device and display panel and its manufacturing method |
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| WO2021027007A1 (en) * | 2019-08-14 | 2021-02-18 | Tcl华星光电技术有限公司 | Liquid crystal display panel and preparation method thereof |
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