CN110967878A - Narrow-frame liquid crystal display panel and manufacturing method thereof - Google Patents
Narrow-frame liquid crystal display panel and manufacturing method thereof Download PDFInfo
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- CN110967878A CN110967878A CN201911007863.0A CN201911007863A CN110967878A CN 110967878 A CN110967878 A CN 110967878A CN 201911007863 A CN201911007863 A CN 201911007863A CN 110967878 A CN110967878 A CN 110967878A
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- array substrate
- substrate
- color film
- liquid crystal
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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
- G02F1/1339—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
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
-
- 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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13458—Terminal pads
Abstract
The invention discloses a narrow-frame liquid crystal display panel and a manufacturing method thereof, wherein the narrow-frame liquid crystal display panel comprises the following steps: an array substrate; the color film substrate is arranged opposite to the array substrate; the liquid crystal layer is arranged between the array substrate and the color film substrate; the frame glue is coated and surrounded on the liquid crystal layer, and a conductive gold ball is contained in the frame glue; the welding pad is arranged on one side edge of the array substrate and one side edge of the color film substrate; and welding area patterns are arranged on the same side of the array substrate and the color film substrate, and the welding pad is welded with the array substrate and the color film substrate through the welding area patterns.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of liquid crystal display, in particular to a narrow-frame liquid crystal display panel and a manufacturing method thereof.
[ background of the invention ]
Liquid Crystal Displays (LCDs) have many advantages such as thin body, power saving, no radiation, and the like, and are widely used. Such as: liquid crystal televisions, mobile phones, Personal Digital Assistants (PDAs), digital cameras, computer screens, notebook computer screens, or the like, are dominant in the field of flat panel displays.
Most of the existing liquid crystal displays in the market are backlight liquid crystal displays (lcds), which include a liquid crystal display panel and a backlight module (backlight module). The liquid crystal display panel operates on the principle that liquid crystal molecules are filled between a thin film Transistor Array Substrate (TFT Array Substrate) and a color filter Substrate (color filter, CF), and driving voltages are applied to the two substrates to control the rotation direction of the liquid crystal molecules, so that light of the backlight module is refracted out to generate a picture.
In recent years, the demand for high-screen-ratio design is increasing, and how to compress the non-display-area frame in the design of the liquid crystal display screen becomes the focus of various manufacturers. An Integrated Circuit (IC) or a Chip On Film (COF) is generally soldered (bonded) to a side of the panel to reduce the area of the non-display region. At present, it is common to solder an IC and a COF to a side of an array substrate, as shown in fig. 1, a sealant 2 is coated between a color film substrate 1 and an array substrate 3, and a bonding pad 4 is located at the side of the array substrate 3, which may increase the thickness of a single-sided glass of the array substrate and increase the overall thickness of the LCD.
Therefore, it is necessary to provide a narrow-bezel liquid crystal display panel and a method for manufacturing the same to improve these defects.
[ summary of the invention ]
The invention provides a narrow-frame liquid crystal display panel and a manufacturing method thereof, which can effectively reduce the overall thickness of an LCD under the condition of unchanging a welding area.
An embodiment of the present invention provides a narrow-bezel liquid crystal display panel, including: an array substrate; the color film substrate is arranged opposite to the array substrate; the liquid crystal layer is arranged between the array substrate and the color film substrate; the frame glue is coated and surrounded on the liquid crystal layer, and a conductive gold ball is contained in the frame glue; the welding pad is arranged on one side edge of the array substrate and one side edge of the color film substrate; and welding area patterns are arranged on the same side of the array substrate and the color film substrate, and the welding pad is welded with the array substrate and the color film substrate through the welding area patterns.
Preferably, the array substrate and the color film substrate are respectively provided with a corresponding display area and a corresponding non-display area, the liquid crystal layer is located in the display areas of the array substrate and the color film substrate, and the sealant is located in the non-display areas of the array substrate and the color film substrate.
Preferably, the array substrate side electrode and the color film substrate side electrode are electrically connected through the conductive gold ball.
Preferably, the color filter further comprises an integrated circuit or a chip on film, and the integrated circuit or the chip on film is welded to the array substrate and the color filter substrate through the welding pad.
Preferably, the liquid crystal display further comprises a black matrix layer, and the black matrix layer is arranged between the color film substrate and the liquid crystal layer.
An embodiment of the present invention further provides a method for manufacturing a narrow-bezel liquid crystal display panel, where the method includes the following steps: an array substrate manufacturing step, namely providing an array substrate and manufacturing a welding area pattern on the array substrate; a color film substrate manufacturing step, namely providing a color film substrate, and manufacturing a welding area pattern on the color film substrate; a box aligning step, namely completing a box aligning process of the array substrate and the color film substrate through a box aligning process; a welding pad forming step, wherein welding pads are formed on the side edges of the array substrate and the color film substrate which finish the box making process; in the box matching step, frame glue is formed between the array substrate and the color film substrate, and a conductive gold ball is added into the frame glue.
Preferably, a display area and a non-display area corresponding to each other are formed on the array substrate and the color film substrate, a liquid crystal layer is injected into the display area between the array substrate and the color film substrate to form a liquid crystal layer, and the sealant is formed in the non-display area between the array substrate and the color film substrate.
Preferably, the land pattern on the array substrate corresponds to the land pattern on the color film substrate.
Preferably, the array substrate side electrode and the color film substrate side electrode are conducted through the conductive gold ball.
Preferably, the method further comprises a welding step, wherein a chip on film or an integrated circuit is welded to the array substrate and the color film substrate through the welding pad.
The invention has the advantages that the conductive gold balls are added into the frame glue, so that the signals of the color film substrate side can be transmitted to the array substrate side, the array substrate and the side of the color film substrate are welded, and the whole thickness of the LCD is reduced under the condition of unchanging welding area.
[ description of the drawings ]
FIG. 1 is a schematic diagram of a prior art side weld design;
FIG. 2 is a front view of a conductive gold ball in a sealant according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a conductive gold ball in a sealant according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a solder pad welded on the array substrate and the color filter substrate according to an embodiment of the invention;
FIG. 5 is a flowchart illustrating a method of fabricating a display panel according to an embodiment of the present invention.
[ detailed description ] embodiments
The invention is further illustrated by the following figures and examples. It should be understood that the specific implementation examples described herein are only for the purpose of illustrating the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
The directional terms used in the present invention, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., refer to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention.
When certain components are described as being "on" another component, the components can be directly on the other component; there may also be an intermediate member disposed on the intermediate member and the intermediate member disposed on the other member. When an element is referred to as being "mounted to" or "connected to" another element, they may be directly "mounted to" or "connected to" the other element or indirectly "mounted to" or "connected to" the other element through an intermediate element.
As shown in fig. 2, in an embodiment of the invention, the narrow-bezel lcd panel includes: the display panel comprises a color film substrate 10, an array substrate 20, a black matrix layer 30, frame glue 40 and a conductive gold ball 50.
The color film substrate 10 and the array substrate 20 are arranged opposite to each other and are respectively provided with a corresponding display area 110 and a non-display area 120, a liquid crystal layer (not shown) is located in the display area 110 between the color film substrate 10 and the array substrate 20, a sealant 40 is coated around the liquid crystal layer, the sealant 40 is located in the non-display area 120 between the color film substrate 10 and the array substrate 20, the sealant 40 contains a plurality of conductive gold balls 50, the conductive gold balls 50 have an anisotropic conductive function and conduct electricity in a direction perpendicular to the color film substrate 10 and the array substrate 20, so that a side electrode of the color film substrate 10 and a side electrode of the array substrate 20 can be conducted through the conductive gold balls 50 in the sealant 40.
A black matrix layer 30 is further disposed between the color film substrate 10 and the sealant 40, and the black matrix layer 30 plays a role of shading.
As shown in fig. 3, a land metal pattern 101 is disposed on one side of the color filter substrate 10, and a land metal pattern 201 is disposed on the same side of the array substrate 20, and the land metal pattern 101 on one side of the color filter substrate 10 is connected to the land metal pattern 201 on the side of the array substrate 20 through a conductive gold ball 50.
As shown in fig. 4, a plurality of bonding pads 60 are disposed on one side edge of the color film substrate 10 and one side edge of the array substrate 20, the bonding pads 60 are welded to the color film substrate 10 and the array substrate 20 through the bonding area metal pattern 101 on one side of the color film substrate 10 and the bonding area metal pattern 201 on one side of the array substrate 20, and the conductive gold balls 50 in the sealant 40 have an anisotropic conductive function, so that the conductive gold balls are conductive in a direction perpendicular to the color film substrate 10 and the array substrate 20, and are insulated in a direction parallel to the color film substrate 10 and the array substrate 20, so that short circuit between the bonding pads 60 due to the conductive gold balls 50 is avoided.
In an embodiment of the invention, the display panel further includes an Integrated Circuit (IC) component (not shown) or a Chip On Film (COF) component (not shown), and the IC component or the COF component is soldered to the color Film substrate 10 and the array substrate 20 through the solder pads 60. Signals of the side pads 60 of the color filter substrate 10 can be transmitted to the array substrate 20 through the conductive gold balls 50. Compared with the prior art that the IC component or the COF component is only welded on the array substrate 20, the thickness of the color film substrate 10 and the thickness of the array substrate 20 are reduced under the condition that the welding area is unchanged, the overall thickness of the LCD is reduced, and the defects of line breakage and the like caused by falling due to the influence of the frame glue 40 when side electrodes are manufactured are avoided.
The technical effect of the embodiment is that by adding the conductive gold balls 50 into the sealant 40, the side electrode of the color film substrate 10 and the side electrode of the array substrate 20 can be conducted through the conductive gold balls 50 in the sealant 40, and by welding the IC component or the COF component to one side of the color film substrate 10 and the array substrate 20 through the bonding pad 60, under the condition that the welding area is not changed, the thickness of the array substrate 20 is reduced, so that the overall thickness of the LCD is reduced, and the defects of disconnection and the like caused by the influence of the sealant 40 when the side electrode is manufactured are avoided.
As shown in fig. 5, in an embodiment of the present invention, a method for manufacturing a narrow-bezel liquid crystal display panel is provided, including the following steps:
s1), an array substrate manufacturing step, providing an array substrate 20, and manufacturing a land metal pattern 201 on the array substrate 20.
S2), a color film substrate manufacturing step, providing a color film substrate 10, and manufacturing a metal pattern 101 on the color film substrate 10.
S3), performing a box aligning process on the color film substrate 10 and the array substrate 20 by using a box aligning process.
S4), forming a bonding pad 60 on the color film substrate 10 and the array substrate 20 after the box alignment process is completed.
S5), soldering an IC component (not shown) or a COF component (not shown) to the color filter substrate 10 and the array substrate 20 via the bonding pads 60.
More specifically, in step S1, the array substrate 20 is fabricated by forming a film, exposing, developing, and etching, the display region 110 and the non-display region 120 are formed on the array substrate 20, and the pad metal pattern 201 is fabricated on the array substrate 20 by exposing, developing, and etching.
In step S2, a color filter substrate 10 is provided, a display area 110 and a non-display area 120 corresponding to the array substrate 20 are formed on the color filter substrate 10, a black matrix layer 30, an R/G/B layer and a protective film (Over coat) on the color filter substrate 10 side are formed by coating, exposing, developing and curing, and a land metal pattern 101 is formed on the color filter substrate 10 by exposing, developing and etching, the land metal pattern 101 corresponds to the land metal pattern 101 on the array substrate 20, and a ps (post spacer) pattern is formed on the color filter substrate 10 by coating, exposing, developing and curing.
In step S3, the box-to-box process is completed through alignment, frame glue coating, odf (one drop filling), cutting, and polarizer attachment. A liquid crystal layer (not shown) is injected into the display region 110 between the color film substrate 10 and the array substrate 20 by an ODF process, a sealant 40 is disposed in the non-display region 120 between the color film substrate 10 and the array substrate 20 by a sealant coating process, and a conductive gold ball 50 is added into the sealant 40.
In step S4, a pad 60 is formed on one side of the color filter substrate 10 and one side of the array substrate 20 by grinding, side metal layer deposition and laser cutting. The bonding pad 60 is soldered to the color filter substrate 10 and the array substrate 20 through the bonding pad metal pattern 101 on the color filter substrate 10 and the bonding pad metal pattern 201 on the array substrate 20,
in step S5, an IC component (not shown) or a COF component (not shown) is soldered to the color film substrate 10 and the array substrate 20 through the bonding pad 60, so that the electrode on the color film substrate 10 side is electrically connected to the electrode on the array substrate 20 side through the conductive gold balls 50 in the sealant 40, and since the IC or COF is soldered to the color film substrate 10 and the array substrate 20 through the bonding pad 60, the soldering area is increased, compared with the prior art in which the IC or COF is only soldered to the array substrate 20, the thickness of the color film substrate 10 and the array substrate 20 is reduced under the condition that the soldering area is unchanged, the overall thickness of the LCD is reduced, and the defect of disconnection caused by the influence of the sealant 40 during the manufacturing of the side electrodes is avoided.
In summary, by using the narrow-frame liquid crystal display panel and the manufacturing method thereof provided by the invention, the conductive gold balls are added into the frame glue, so that the color film substrate and the array substrate side electrode can be conducted through the conductive gold balls in the frame glue, thereby realizing that an IC component or a COF component can be welded to the color film substrate and the side edge of the array substrate through a welding pad during side edge welding, reducing the thickness of the array substrate under the condition that the welding area is not changed, further reducing the overall thickness of the LCD, and avoiding the bad line breakage caused by the influence of the frame glue during the manufacturing of the side electrode.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A narrow bezel liquid crystal display panel, comprising:
an array substrate;
the color film substrate is arranged opposite to the array substrate;
the liquid crystal layer is arranged between the array substrate and the color film substrate;
the frame glue is coated and surrounded on the liquid crystal layer, and a conductive gold ball is contained in the frame glue;
the welding pad is arranged on one side edge of the array substrate and one side edge of the color film substrate;
and the welding pad is welded with the array substrate and the color film substrate through the welding area metal pattern.
2. The narrow-bezel liquid crystal display panel of claim 1, wherein the array substrate and the color filter substrate are respectively provided with a corresponding display area and a non-display area, the liquid crystal layer is located in the display areas of the array substrate and the color filter substrate, and the sealant is located in the non-display areas of the array substrate and the color filter substrate.
3. The narrow-bezel liquid crystal display panel as claimed in claim 1, wherein the array substrate-side electrode and the color film substrate-side electrode are electrically connected through the conductive gold ball.
4. The narrow-bezel liquid crystal display panel of claim 1, further comprising an integrated circuit component or a flip-chip film component, wherein the integrated circuit component or the flip-chip film component is welded to the array substrate and the color film substrate through the bonding pads.
5. The narrow-bezel liquid crystal display panel of claim 1, further comprising a black matrix layer disposed between the color film substrate and the liquid crystal layer.
6. A method for manufacturing a narrow-frame liquid crystal display panel is characterized by comprising the following steps:
an array substrate manufacturing step, namely providing an array substrate and manufacturing a welding area metal pattern on the array substrate;
a color film substrate manufacturing step, namely providing a color film substrate, and manufacturing a welding area metal pattern on the color film substrate;
a box aligning step, namely completing a box aligning process of the array substrate and the color film substrate through a box aligning process;
a welding pad forming step, wherein welding pads are formed on the side edges of the array substrate and the color film substrate which finish the box making process;
in the box matching step, frame glue is formed between the array substrate and the color film substrate, and a conductive gold ball is added into the frame glue.
7. The method for manufacturing the narrow-frame liquid crystal display panel according to claim 6, wherein a display area and a non-display area are formed on the array substrate and the color film substrate, respectively, a liquid crystal is injected into the display area between the array substrate and the color film substrate to form a liquid crystal layer, and the sealant is formed in the non-display area between the array substrate and the color film substrate.
8. The method for manufacturing the narrow-bezel liquid crystal display panel according to claim 6, wherein the welding area pattern on the array substrate corresponds to the welding area pattern on the color film substrate.
9. The method according to claim 6, wherein the array substrate-side electrode and the color film substrate-side electrode are electrically connected through the conductive gold balls.
10. The method for manufacturing a narrow-bezel liquid crystal display panel according to claim 6, further comprising a soldering step of soldering a flip-chip thin film component or an integrated circuit component to the array substrate and the color filter substrate through the solder pads.
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CN201911007863.0A CN110967878A (en) | 2019-10-22 | 2019-10-22 | Narrow-frame liquid crystal display panel and manufacturing method thereof |
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CN201911007863.0A CN110967878A (en) | 2019-10-22 | 2019-10-22 | Narrow-frame liquid crystal display panel and manufacturing method thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112285969A (en) * | 2020-12-09 | 2021-01-29 | 深圳市容大彩晶科技有限公司 | Method for manufacturing liquid crystal display panel 1 |
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JPH08278489A (en) * | 1995-04-07 | 1996-10-22 | Citizen Watch Co Ltd | Production of liquid crystal display panel |
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CN112285969A (en) * | 2020-12-09 | 2021-01-29 | 深圳市容大彩晶科技有限公司 | Method for manufacturing liquid crystal display panel 1 |
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