KR20130035697A - Partically driving polymer dispersed liquid crystal pannel and manufacture method the same - Google Patents

Partically driving polymer dispersed liquid crystal pannel and manufacture method the same Download PDF

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Publication number
KR20130035697A
KR20130035697A KR1020110100168A KR20110100168A KR20130035697A KR 20130035697 A KR20130035697 A KR 20130035697A KR 1020110100168 A KR1020110100168 A KR 1020110100168A KR 20110100168 A KR20110100168 A KR 20110100168A KR 20130035697 A KR20130035697 A KR 20130035697A
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South Korea
Prior art keywords
transparent conductive
conductive film
substrate
film
contact
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KR1020110100168A
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Korean (ko)
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이건호
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(주)코텍
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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
    • G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
    • 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
    • G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Dispersion Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)

Abstract

Disclosed is a partial drive PDLC panel. The disclosed partially driven PD panel includes a first substrate on which a first contact is formed, a second substrate in contact with the first substrate, and a second contact on which the second contact is formed, and connected to the first contact and formed on the surface of the first substrate to form an electrode. A first transparent conductive film formed between the first substrate and the second substrate, the second transparent conductive film connected to the second contact and formed on the surface of the second substrate and acting as an electrode; 2 and a polymer dispersed liquid crystal layer connected to the transparent conductive film, wherein the first transparent conductive film and the second transparent conductive film are formed by partial etching from the first and second substrates so that the cross region is driven to a transparent or opaque partial driving region. It is characterized by.

Description

Partial driven PD panel and its manufacturing method {PARTICALLY DRIVING POLYMER DISPERSED LIQUID CRYSTAL PANNEL AND MANUFACTURE METHOD THE SAME}

The present invention relates to a partially driven PDLC panel and a method of manufacturing the same, and more particularly, to a polymer dispersed liquid crystal layer between a first substrate on which a first transparent conductive film is formed and a second substrate on which a second transparent conductive film is formed. When forming the, the partial drive PDLC panel and a method of manufacturing the same, characterized in that the partial etching so as to partially drive the intersection of the first and second transparent conductive film.

In general, the liquid crystal panel is a means for displaying various patterns that can be visually recognized, and has advantages such as small size, light weight, and low voltage driving, so that LCD monitors for wristwatches, electronic desk calculators, personal computers, personal word processors, slot machines, etc. It is widely used to reduce weight on the back.

Currently used liquid crystal panels include TN (Twisted Nematic) type liquid crystal panels, STN (Supertwisted Nematic) type liquid crystal panels, and Polymer Dispersed Liquid Crystal (PDLC) panels.

The polymer dispersed liquid crystal panel is a tendency to be used because the polarizing plate is unnecessary, and the polymer dispersed liquid crystal panel forms a transparent conductive film on a pair of substrates, and forms a polymer dispersed liquid crystal layer between the substrates to provide electricity. It is configured to operate transparent or opaque as supplied.

Patent Publication No. 10-2006-0125382 has been proposed as an invention for a conventional polymer dispersed liquid crystal panel display device and a manufacturing method thereof.

In LCD monitors for slot machines, polymer dispersed liquid crystal panels are sometimes used as panels for special monitors to make the reels of the rear part visible. Conventional polymer dispersed liquid crystal panels provide electricity. As the entire surface implements a transparent or opaque screen, in order to drive only a part of the screen, the BLU of the panel is removed and a second BLU is additionally formed on the driving part, resulting in a complicated structure and a high cost. come. Therefore, there is a need to improve this.

The present invention has been created by the necessity as described above, when forming the polymer dispersed liquid crystal layer between the first substrate on which the first transparent conductive film is formed and the second substrate on which the second transparent conductive film is formed, the first and second transparent It is an object of the present invention to provide a partially driven PDC panel and a method of manufacturing the same, in which the intersection of the first and second transparent conductive films is partially and transparently opaque by selectively partially etching the conductive film.

In order to achieve the above object, a partial drive PD panel according to an embodiment of the present invention, the first substrate is formed with a first contact; A second substrate in contact with the first substrate and having a second contact formed thereon; A first transparent conductive film connected to the first contact and formed on a surface of the first substrate to serve as an electrode; A second transparent conductive film connected to the second contact and formed on a surface of the second substrate to serve as an electrode; And a polymer dispersed liquid crystal layer formed between the first substrate and the second substrate and connected to the first and second transparent conductive films, wherein the first transparent conductive film and the second transparent conductive film have a cross region. And partially etching from the first and second substrates so as to drive the transparent or opaque partial driving region.

In addition, the first transparent conductive layer may be partially etched from the first substrate to form at least one remaining region, and the second transparent conductive layer may be partially formed on the second substrate so as to be orthogonal to the remaining region of the first transparent conductive layer. The remaining region is formed by etching the region, and the remaining region of the first transparent conductive layer and the remaining region of the second transparent conductive layer overlap each other to serve as at least one partial driving region.

The first contact point may be formed at the edge of the remaining region of the first transparent conductive film, and the second contact point may be formed at the edge of the remaining region of the second transparent conductive film.

In addition, the edge of the first substrate and the second substrate is characterized in that the finishing member for preventing the leakage of the polymer dispersed liquid crystal layer is provided.

In addition, the first and second substrates are characterized in that the polyethylene terephthalate (PET).

In order to achieve the above object, the method of manufacturing a partial drive PD C panel according to an embodiment of the present invention includes: depositing a first transparent conductive film and a second transparent conductive film on a first substrate and a second substrate, respectively; A first transparent conductive film portion forming step of stacking a first photosensitive film on the first transparent conductive film and removing a portion of the first transparent conductive film through an exposure process and an etching process to form a residual region; Stacking a second photosensitive film on the second transparent conductive film, and removing a partial region through an exposure process and an etching process to form a second transparent conductive film portion to form a remaining region that intersects the remaining region of the first transparent conductive film; Forming a polymer dispersed liquid crystal layer between the first substrate and the second substrate by arranging the remaining regions to face each other; And forming first and second contacts in the remaining region of the first transparent conductive film and forming the second contact in the remaining region of the second transparent conductive film.

The forming of the first transparent conductive film portion may include: stacking a first photosensitive film on the first transparent conductive film; A first exposure step of performing a positive exposure by disposing a first mask used in a desired pattern on the first photoresist film; A first developing and etching step of developing and removing the exposed first photoresist layer, and etching the first transparent conductive layer with an etching solution to form a residual region of the first transparent conductive layer; And a first photosensitive film removing step of removing the first photosensitive film remaining in the remaining region of the first transparent conductive film.

The forming of the second transparent conductive film portion may include: stacking a second photosensitive film on the second transparent conductive film; A second exposure step of performing a positive exposure process by disposing a second mask used in a desired pattern on the second photoresist film; Developing and removing the exposed second photosensitive film, and etching the second transparent conductive film with an etching solution to form a remaining region of the second transparent conductive film; And a second photosensitive film removing step of removing the second photosensitive film remaining in the remaining region of the second transparent conductive film.

The first contact point may be formed at an edge of the remaining region of the first transparent conductive film, and the second contact point may be formed at an edge of the remaining region of the second transparent conductive film.

In addition, after the first and second contact forming step, the edge of the first substrate and the second substrate is further provided with a border finishing step is formed on the edge of the polymer dispersed liquid crystal layer to prevent leakage of the liquid crystal layer It features.

As described above, the partially driven PDC panel and the method of manufacturing the same according to the present invention may form a polymer dispersed liquid crystal layer between the first substrate on which the first transparent conductive film is formed and the second substrate on which the second transparent conductive film is formed. In this case, by selectively partially etching the first and second transparent conductive layers, only the area desired by the user may be transparently controlled by partially driving the intersection regions of the first and second transparent conductive layers partially and transparently.

1 is an exploded perspective view of a partially driven PD panel according to an embodiment of the present invention,
2 is an assembled plan view of the partially driven PD panel according to an embodiment of the present invention,
3 is an assembled plan view of the partially driven PD panel according to another embodiment of the present invention,
4 to 8 is a partial drive PDC panel manufacturing method according to an embodiment of the present invention shown in sequence,
9 is a flowchart of a method for manufacturing a partially driven PD panel according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described a partial drive PD panel and a manufacturing method according to an embodiment of the present invention.

In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator. Therefore, definitions of these terms should be made based on the contents throughout the specification.

1 is an exploded perspective view of a partially driven PD C panel according to an embodiment of the present invention, Figure 2 is an assembled plan view of a partially driven PD panel according to an embodiment of the present invention, Figure 3 is another embodiment of the present invention The assembly plan of the partially driven PD panel according to the example.

1 to 3, the PDLC panel according to an embodiment of the present invention may include a first substrate 10, a second substrate 20, a first transparent conductive film 30, and a first substrate. 2 includes a transparent conductive film 40, a polymer dispersed liquid crystal layer 50, and a partial driving region 60.

First contacts 12 are formed on the first substrate 10.

The second substrate 20 is formed with a second contact 22 disposed at a position different from the first contact 12.

The first substrate 10 and the second substrate 20 have the same size.

The first contact 12 and the second contact 22 are connected to the first transparent conductive film 30 and the second transparent conductive film 40 through cutouts of the first substrate 10 and the second substrate 20. Can be configured.

The first substrate 10 and the second substrate 20 mainly use polyethylene terephthalate, and glass or other synthetic resin materials may be applied as necessary.

The first transparent conductive film 30 is connected to the first contact 12 and is formed on the surface of the first substrate 10 to serve as an electrode.

The second transparent conductive film 40 is connected to the second contact 22 and is formed on the surface of the second substrate 20 to serve as an electrode.

The first transparent conductive film 30 and the second transparent conductive film 40 allow an indium tin oxide (ITO) film, which is a transparent conductive film having electrical conductivity, to be applied.

When electricity is supplied from the first and second contacts 12 and 22, the first transparent conductive film 30 and the second transparent conductive film 40 act as electrodes to conduct electricity.

The polymer dispersed liquid crystal layer 50 is formed between the first substrate 12 and the second substrate 22 and is electrically connected to the first and second transparent conductive films 30 and 40.

The partial driving region 60 may be formed from the first and second substrates 10 and 20 so as to drive the crossing area between the first transparent conductive film 30 and the second transparent conductive film 40 in a transparent or opaque manner. 30 and partial regions of the second transparent conductive film 40 are partially etched.

The partial etching is formed through photo lithography using a mask.

The partial driving region 60 refers to a region where the first transparent conductive layer 30 remaining by partial etching overlaps the second transparent conductive layer 40 remaining by partial etching.

Polymer Dispersed Liquid Crystal (PDLC) (50) has a liquid crystal molecule in an irregular direction without voltage and scatters at an interface where the refractive index with the medium is different, thus maintaining an opaque state. The direction of is aligned and the refractive indices of both coincide to maintain the transparent state.

In the first transparent conductive film 30, at least one remaining region 32 is formed by etching a portion of the first substrate 10.

1 and 2, the first transparent conductive film 30 shows a state in which one remaining region 32 is formed. In FIG. 3, the first transparent conductive film 30 has three remaining regions 32. ) Is formed.

Another remaining region 42 is formed in the second transparent conductive film 30 by etching a portion of the second substrate 20 to be orthogonal to the remaining region 32.

The remaining region 32 of the first transparent conductive layer 30 and the remaining region 42 of the second transparent conductive layer 40 overlap each other to act as one or more partial driving regions 60.

As shown in Fig. 1 and Fig. 2, the partially driven PDC panel according to an embodiment of the present invention forms one partial drive region 60, and as shown in Fig. 3, another embodiment of the present invention. The partial drive PDC panel according to the embodiment forms three partial drive regions 60.

The partial driving region 60 serves as a viewing window that allows the user to drive transparent or opaque to view the rear object.

The PDLC panel of the present invention can be mainly used as a special LCD monitor for a slot machine, and the reel disposed on the back of the panel in the special LCD monitor panel for a slot machine is visible or invisible. The partial drive area 60 will be used.

Of course, the partially driven PDC panel of the present invention can be used as a panel for display devices for other purposes.

The first contact 12 is formed at the edge of the remaining region 32 of the first transparent conductive film 30.

The second contact 22 is formed at the edge of the remaining region 42 of the second transparent conductive film 40.

The edge of the first substrate 10 and the second substrate 20 is provided with a finishing member 70 to prevent leakage of the polymer dispersed liquid crystal layer 50.

The finishing member 70 may be formed separately or synthetically using synthetic resin or rubber.

The finishing member 70 shows a state attached to the outer edge of the edge of the first substrate 10 and the second substrate 20.

The finishing member 70 may be disposed on the inner surface of the edge of the first substrate 10 and the second substrate 20 so as not to protrude outward. In this case, the finishing member 70 also serves as a spacer that maintains a set interval between the first substrate 10 and the second substrate 20.

The finishing member 70 may not be provided at the edge of the first substrate 10 and the second substrate 20.

Thus, looks at the action of the partially driven PD panel according to an embodiment of the present invention.

When electricity is supplied through the first and second contacts 12 and 22, electricity is applied through the first and second transparent conductive films 30 and 40, and the first transparent conductive film 30 and the second transparency are provided. The partial driving region that is the intersection of the first and second substrates 10 and 20 as the polymer dispersed liquid crystal layer 60 is aligned in the direction where the front film 40 crosses each other and is aligned. 60 maintains a transparent state.

Therefore, when the partial drive PDC panel of the present invention is used as a special LCD monitor for a slot machine, the reel disposed behind the partial drive area 60 will be visible.

In addition, when the electricity is cut through the first and second contacts 12 and 22, the polymer dispersed liquid crystal layer 50 having a portion where the first transparent conductive film 30 and the second transparent conductive film 40 cross each other and overlap each other. ) Is in an irregular direction and scatters at an interface with a different refractive index from the medium, thereby maintaining an opaque state.

Therefore, when the partially driven PDC panel of the present invention is used as a special LCD monitor for a slot machine, the reel disposed behind the partial driving region 60 will be invisible.

Hereinafter, with reference to the accompanying drawings to look at the manufacturing method of the partially driven PD panel according to an embodiment of the present invention.

4 to 8 is a partial drive PD C panel manufacturing method according to an embodiment of the present invention shown in sequence, Figure 9 is a flow chart of a partial drive PD C panel manufacturing method according to an embodiment of the present invention.

4 to 9, in the method of manufacturing a partial driving PD panel according to an embodiment of the present invention, a deposition step (S10), a first transparent conductive film part forming step (S20), and a second transparent conductive film part forming step (S30), the liquid crystal layer forming step (S40) and the first and second contact forming step (S50).

In the deposition step S10, the first transparent conductive film 30 and the second transparent conductive film 40 are deposited on the first substrate 10 and the second substrate 20, respectively.

In the forming of the first transparent conductive film portion (S20), the first photosensitive film 80 is stacked on the first transparent conductive film 30, and a portion of the first transparent conductive film 30 is removed by an exposure process and an etching process. The remaining region 32 is formed.

The first transparent conductive film portion forming step (S20) may include a first photosensitive film stacking step (S22) of stacking a first photosensitive film on the first transparent conductive film 20, and a desired pattern on the first photosensitive film 80. The first exposure step S24 is performed by disposing the first mask 82 to perform positive exposure, and the exposed first photosensitive film 80 is developed and removed, and the first transparent conductive film 20 is etched. And the first development and etching step (S30) of forming the remaining region 32 of the first transparent conductive film 30 by etching, and the first photosensitive film remaining in the remaining region 22 of the first transparent conductive film 30. And removing the first photoresist film (S28).

In the forming of the second transparent conductive film part (S30), the first photosensitive film 90 is stacked on the second transparent conductive film 40, and a portion of the second transparent conductive film 40 is removed by an exposure process and an etching process. The remaining region 42 is formed.

The second transparent conductive film portion forming step (S30) includes a second photosensitive film stacking step (S32) of stacking the second photosensitive film 90 on the second transparent conductive film 40, and a desired pattern on the second photosensitive film 90. The second exposure step S34 for disposing a second mask 92 to be used as a positive exposure process and the exposed second photosensitive film 90 are developed and removed, and the second transparent conductive film 40 is removed. ) Is etched into the etching solution to form the remaining region 42 of the second transparent conductive film 40, and the second development and etching step S36, and the remaining region 42 of the second transparent conductive film 40. A second photosensitive film removing step (S38) of removing the second photosensitive film 90 is included.

7 and 8, in the liquid crystal layer forming step S40, the remaining regions 32 and 42 are disposed to face each other to disperse the polymer between the first substrate 10 and the second substrate 20. The liquid crystal layer 50 is formed.

The first contact 12 is formed at the edge of the remaining region 32 of the first transparent conductive film 30, and the second contact 22 is formed at the edge of the remaining region 42 of the second transparent conductive film 40.

Following the first and second contact forming steps (S50), a finishing member 70 is formed at the edge of the first substrate 10 and the second substrate 20 to prevent the polymer dispersed liquid crystal layer 50 from leaking. The edge finishing step (S60) is further provided.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. I will understand.

Therefore, the true technical protection scope of the present invention will be defined by the claims below.

10: first substrate 12: first contact
20: second substrate 22: second contact
30: first transparent conductive film 32, 42: remaining area
40: second transparent conductive film 50: polymer dispersed liquid crystal layer
60: partial drive area 70: finishing member
80,90: 1st, 2nd photosensitive film 82,92: 1st, 2nd mask

Claims (10)

A first substrate on which first contacts are formed;
A second substrate in contact with the first substrate and having a second contact formed thereon;
A first transparent conductive film connected to the first contact and formed on a surface of the first substrate to serve as an electrode;
A second transparent conductive film connected to the second contact and formed on a surface of the second substrate to serve as an electrode; And
A polymer dispersed liquid crystal layer formed between the first substrate and the second substrate and connected to the first and second transparent conductive films;
And the first transparent conductive film and the second transparent conductive film are partially etched from the first and second substrates so that the intersection region is driven to a transparent or opaque partial driving region.
The method of claim 1,
At least one remaining region is formed in the first transparent conductive layer by etching a portion of the first substrate.
The second transparent conductive layer is formed by etching a portion of the second substrate so as to be orthogonal to the remaining region of the first transparent conductive layer.
And the remaining region of the first transparent conductive layer and the remaining region of the second transparent conductive layer overlap each other to serve as one or more partial driving regions.
The method of claim 2,
The first contact is formed at the edge of the remaining region of the first transparent conductive film,
And the second contact point is formed at an edge of the remaining region of the second transparent conductive film.
The method of claim 1,
Partially driven PD panel, characterized in that the finishing member for preventing the leakage of the polymer dispersed liquid crystal layer is provided on the edge of the first substrate and the second substrate.
5. The method according to any one of claims 1 to 4,
The first and second substrates are partially driven PD panel, characterized in that the polyethylene terephthalate (PET).
Depositing a first transparent conductive film and a second transparent conductive film on a first substrate and a second substrate, respectively;
A first transparent conductive film portion forming step of stacking a first photosensitive film on the first transparent conductive film and removing a portion of the first transparent conductive film through an exposure process and an etching process to form a residual region;
Stacking a second photosensitive film on the second transparent conductive film, and removing a partial region through an exposure process and an etching process to form a second transparent conductive film portion to form a remaining region that intersects the remaining region of the first transparent conductive film;
Forming a polymer dispersed liquid crystal layer between the first substrate and the second substrate by arranging the remaining regions to face each other; And
And forming first and second contacts in the remaining region of the first transparent conductive film and forming the second contact in the remaining region of the second transparent conductive film. Panel manufacturing method.
The method according to claim 6,
The first transparent conductive film portion forming step,
A first photosensitive film stacking step of stacking a first photosensitive film on the first transparent conductive film;
A first exposure step of performing a positive exposure by disposing a first mask used in a desired pattern on the first photoresist film;
A first developing and etching step of developing and removing the exposed first photoresist layer, and etching the first transparent conductive layer with an etching solution to form a residual region of the first transparent conductive layer; And
And a first photosensitive film removing step of removing the first photosensitive film remaining in the remaining region of the first transparent conductive film.
The method according to claim 6,
The second transparent conductive film portion forming step,
A second photosensitive film stacking step of stacking a second photosensitive film on the second transparent conductive film;
A second exposure step of performing a positive exposure process by disposing a second mask used in a desired pattern on the second photoresist film;
Developing and removing the exposed second photosensitive film, and etching the second transparent conductive film with an etching solution to form a remaining region of the second transparent conductive film; And
And a second photosensitive film removing step of removing the second photosensitive film remaining in the remaining area of the second transparent conductive film.
The method according to claim 6,
And wherein the first contact point is formed at the edge of the remaining region of the first transparent conductive film, and the second contact point is formed at the edge of the remaining region of the second transparent conductive film.
The method according to claim 6,
After the first and second contact forming step, an edge finishing step of forming a finishing member to prevent leakage of the polymer dispersed liquid crystal layer is further provided on the edge of the first substrate and the second substrate. Partial PD CD panel manufacturing method.
KR1020110100168A 2011-09-30 2011-09-30 Partically driving polymer dispersed liquid crystal pannel and manufacture method the same KR20130035697A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015010429A1 (en) * 2013-07-26 2015-01-29 京东方科技集团股份有限公司 Preparation method for liquid crystal display panel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015010429A1 (en) * 2013-07-26 2015-01-29 京东方科技集团股份有限公司 Preparation method for liquid crystal display panel

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