KR0142045B1 - Lcd devices and its manufacturing method - Google Patents
Lcd devices and its manufacturing methodInfo
- Publication number
- KR0142045B1 KR0142045B1 KR1019940031557A KR19940031557A KR0142045B1 KR 0142045 B1 KR0142045 B1 KR 0142045B1 KR 1019940031557 A KR1019940031557 A KR 1019940031557A KR 19940031557 A KR19940031557 A KR 19940031557A KR 0142045 B1 KR0142045 B1 KR 0142045B1
- Authority
- KR
- South Korea
- Prior art keywords
- liquid crystal
- transparent electrode
- crystal substrate
- contact pads
- pattern
- Prior art date
Links
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
- G02F1/13458—Terminal pads
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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
- G02F1/133351—Manufacturing of individual cells out of a plurality of cells, e.g. by dicing
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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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
- G02F1/133784—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by rubbing
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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
- G02F2202/00—Materials and properties
- G02F2202/22—Antistatic materials or arrangements
Abstract
본 발명은 액정표시장치 및 그 제조방법에 관한 것으로서, 투명전극 패턴과 연결되어 외부단자와 접촉되는 접촉패드들의 사이에 스크라이브 라인을 통과하는 돌출부를 갖는 댐 패턴을 형성하여 상기 접촉패드들을 서로 연결하여 투명전극 패턴들이 등전위가 되도록 하여 제조 공정 특히 러빙 공정시 발생되는 정전기에 의한 스파크 발생을 방지하고, 후속 스크라이브 공정에서 상기 돌출부를 제거하여 상기 접촉패드들을 독립시켰으므로, 정전기 방전에 의한 스파크가 일어나지 않도록하여 투명전극 패턴의 단선 및 불량 발생을 방지하고 댐패턴이 차지하는 면적이 매우 작아 하나의 액정기판에 형성되는 단위셀의 숫자에 영향을 미치지 않아 공정수율 및 소자동작의 신뢰성을 향상시킬 수 있다.The present invention relates to a liquid crystal display device and a method of manufacturing the same, wherein a dam pattern having a protrusion passing through a scribe line is formed between contact pads connected to a transparent electrode pattern to contact an external terminal to connect the contact pads to each other. The transparent electrode patterns are equipotential to prevent sparks caused by static electricity generated during the manufacturing process, especially the rubbing process, and to separate the contact pads by removing the protrusions in a subsequent scribing process, thereby preventing sparks from occurring due to electrostatic discharge. Therefore, it is possible to prevent disconnection and defects of the transparent electrode pattern, and the area occupied by the dam pattern is so small that it does not affect the number of unit cells formed on one liquid crystal substrate, thereby improving process yield and device operation reliability.
Description
제1도는 종래 기술에 따른 액정표시장치를 설명하기 위한 개략도1 is a schematic view for explaining a liquid crystal display device according to the prior art
제2도는 본 발명에 따른 액정표시장치를 설명하기 위한 개략도.2 is a schematic view for explaining a liquid crystal display device according to the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1:액정기판2:디스플레이 영역1: liquid crystal substrate 2: display area
3:투명전극 패턴4:접촉패드3: transparent electrode pattern 4: contact pad
5:실 패턴6:댐 패턴5: thread pattern 6: dam pattern
6A:돌출부7:스크라이브 라인6A: protrusion 7: scribe line
본 발명은 액정표시장치(Liquid Crystal Display; 이하 LCD라 칭함) 및 그 제조방법에 관한 것으로서, 특히 액정기판에 형성되는 투명전극 패턴의 패드를 댐(dam) 패턴으로 연결시켜 러빙 공정시의 정전기 스파크에 의한 투명전극 패턴의 단선을 방지하고 액정기판의 스크라이브 공정시 상기 댐 패턴의 일측을 절단하여 투명전극 패턴을 독립시키고 액정기판을 조립하여 공정수율 및 소자동작의 신뢰성을 향상시킬 수 있는 LCD 및 그 제조방법을 제공함에 있다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal display (hereinafter referred to as an LCD) and a method of manufacturing the same. In particular, an electrostatic spark during a rubbing process by connecting pads of a transparent electrode pattern formed on a liquid crystal substrate in a dam pattern. LCD which can prevent the disconnection of the transparent electrode pattern by cutting the liquid crystal substrate and cut the one side of the dam pattern to separate the transparent electrode pattern and assemble the liquid crystal substrate to improve the process yield and device operation reliability To provide a manufacturing method.
평판표시 장치의 일종인 LCD는 액체의 유동성과 결정의 광학적 성격을 겸비하는 액정(Liquid Crystal)에 전계를 가하여 광학적 이방성을 변화시키는 장치로서, 종래 음극선관(Cathode Ray Tube)에 비해 소비전력이 낮고, 경박단소화가 용이하며 대형화 및 고정세화가 가능하여 널리 사용되고 있다.LCD, which is a kind of flat panel display device, changes the optical anisotropy by applying an electric field to liquid crystal, which combines the liquidity of liquid and the optical nature of crystal.It has lower power consumption than conventional cathode ray tube. It is widely used because it is easy to make small and light, small and large, and high in size.
일반적으로 LCD는 투명전극 패턴과 화소전극이 스위칭 소자와 열견되는 하측 액정기판과 공통전극이 형성되어 있는 상측 액정기판이 실패턴 및 스페이서에 의해 접착되고 그 사이의 공간에 액정이 밀봉되어 있는 형태로 구성된다.In general, LCDs have a form in which a transparent electrode pattern, a lower liquid crystal substrate in which pixel electrodes are engaged with a switching element, and an upper liquid crystal substrate on which a common electrode is formed are bonded by a failure turn and a spacer, and a liquid crystal is sealed in a space therebetween. It is composed.
제1도는 종래 기술에 따른 액정표시장을 설명하기 위한 개략도로서, 단위셀로 절단된 하측 액정기판의 예이다.1 is a schematic view for explaining a liquid crystal display according to the prior art, an example of a lower liquid crystal substrate cut into a unit cell.
먼저, 석영재질의 액정기판(1)에서 영상이 표시되는 디스플레이 영역(2)에는 화소전극등의 투명전극 패턴(3)들이 형성되어 있으며, 상기 액정기판(1)의 일측에는 상기 투명전극 패턴(3)들을 외부 단자들과 연결시키는 접촉패드(4)들이 형성되어 있다. 이때 상기 디스플레이 영역(2)과 접촉패드(4)들의 사이로 실 패턴(5)이 형성되어 다른 액정기판, 예를들어 공통전극이 형성되어 있는 상측 액정기판(도시되지 않음)과 봉합된다.First, transparent electrode patterns 3 such as pixel electrodes are formed in a display area 2 in which an image is displayed on a quartz-based liquid crystal substrate 1, and at one side of the liquid crystal substrate 1, the transparent electrode pattern ( Contact pads 4 are formed which connect the 3) with external terminals. In this case, a seal pattern 5 is formed between the display area 2 and the contact pads 4 to seal the other liquid crystal substrate, for example, an upper liquid crystal substrate (not shown) having a common electrode formed thereon.
이때 상기 실패턴(5) 하부의 투명전극 패턴(3)에는 정전기에 의한 스파크 방전을 방지하기 위하여 날카로운 끝부분이 근접되어 있는 댐 패턴(6)들이 형성되어 있고, 상기 댐패턴(6)들은 서로 최대한 접근되어 있어, 간격이 예를들어 0.05mm정도로 매우 적게 형성되어 있다.In this case, dam patterns 6 having sharp ends are formed in the transparent electrode pattern 3 below the failure turn 5 to prevent spark discharge by static electricity, and the dam patterns 6 are mutually adjacent. As close as possible, the spacing is very small, for example about 0.05 mm.
그러나 상기와 같은 근접한 댐 패턴을 갖는 종래의 액정기판은 투명전극 패턴들간의 전위차가 발생하여 정전기에 의한 스파크 방지가 어려워 공정수율 및 소자동작의 신뢰성이 떨어지는 문제점 있다.However, in the conventional liquid crystal substrate having the adjacent dam pattern as described above, it is difficult to prevent sparks due to static electricity due to the potential difference between the transparent electrode patterns, which lowers the process yield and the reliability of device operation.
이러한 문제점을 해결하기 위하여 본 출원인이 출원한 대한민국 특허출원번호 제92-26332호에 따르면, 스크라이브 라인의 바깥쪽 즉 절단되어 제거되는 부분에 공통 패턴을 형성하고, 액정기판의 투명전극 패턴들을 상기의 공통 패턴과 연결시켜 등전위를 이루도록 하였다.In order to solve this problem, according to Korean Patent Application No. 92-26332 filed by the present applicant, a common pattern is formed on the outer side of the scribe line, that is, the part removed and the transparent electrode patterns of the liquid crystal substrate are described above. The equipotential is connected to a common pattern.
그러나 상기와 같은 방법은 액정기판상에 공통 패턴을 위한 별도의 공간이 필요하여 하나의 기판에 형성할 수 있는 단위 셀의 숫자를 감소시켜 공정수율이 떨어지는 문제점 있다.However, the above method requires a separate space for a common pattern on the liquid crystal substrate, thereby reducing the process yield by reducing the number of unit cells that can be formed on one substrate.
본 발명은 상기와 같은 문제점을 해결하기 위한 것으로서, 본 발명의 목적은 액정기판이 투명전극 패턴들과 연결되어 외부 단자와 접촉되는 접촉 패드들을 댐 패턴으로 연결하되, 상기 댐 패턴들의 일측이 액정기판의 스크라이브 라인 바깥으로 돌출되도록 하여 정전기 발생의 우려가 적은 액정기판 조립을 위한 스크라이브 공정시에 각각의 접촉패드들이 독립되어 정전기에 의한 불량이 방지되고, 댐 패턴이 차지하는 면적이 작아 하나의 액정기판에 형성되는 단위 셀의 숫자가 감소되지 않아 공정수율 및 소자동작의 신뢰성을 향상시킬 수 있는 LCD를 제공함에 있다.The present invention is to solve the above problems, an object of the present invention is that the liquid crystal substrate is connected to the transparent electrode patterns to connect the contact pads in contact with the external terminal in a dam pattern, one side of the dam patterns is a liquid crystal substrate The contact pads are independent during the scribing process for assembling a liquid crystal substrate, which is less prone to static electricity by protruding out of the scribe line of the scribe line, and prevents defects caused by static electricity. The number of unit cells to be formed is not reduced to provide an LCD that can improve the process yield and device operation reliability.
본 발명의 다른 목적은 액정기판의 일측에 배열되어 있는 접촉패드들을 연결하여 등전위를 이루도록하는돌출부를 갖는 댐 패턴들을 스크라이브 공정시 절단하여 상기 투명전극 패턴들을 독립시켜 액정기판의 면적 손실없이 러빙등에서 발생되는 정전기에 의한 스파크를 방지하여 공정수율 및 소자동작의 신뢰성을 향상시킬 수 있는 LCD 제조방법을 제공함에 있다.Another object of the present invention is to cut the dam patterns having the protrusions to connect the contact pads arranged on one side of the liquid crystal substrate to achieve an equipotential during the scribing process, so that the transparent electrode patterns are independent to generate the rubbing light without loss of the area of the liquid crystal substrate. The present invention provides an LCD manufacturing method that can prevent sparks caused by static electricity and improve process yield and reliability of device operation.
상기와 같은 목적을 달성하기 위한 본 발명에 따른 LCD의 특징은, 액정 기판상에 형성되어 있는 투명전극 패턴들과, 상기 투명전극 패턴들과 연결되어 외부단자와 접촉시키고 상기 액정기판의 일측에 배열되어 있는 접촉 패드들과, 상기 접촉패드들의 사시에 형성되어 인접한 접촉패드들을 연결하고, 일측이 단위셀의 스크라이브 라인 바깥쪽으로 돌출되는 돌출부가 형성되어있는 댐 패턴을 구비함에 있다.Characteristic of the LCD according to the present invention for achieving the above object, the transparent electrode patterns formed on the liquid crystal substrate, connected to the transparent electrode patterns and in contact with an external terminal arranged on one side of the liquid crystal substrate And a dam pattern formed at a time of the contact pads to connect adjacent contact pads, and a protrusion formed at one side thereof protruding outward from the scribe line of the unit cell.
다른 목적을 달성하기 위한 본 발명에 따른 LCD 제조방법의 특징은, 액정기판상에 투명전극 패턴 및 상기 투명전극 패턴과 연결되어 외부단자와 접촉되는 패드들을 구비하는 단위셀들을 형성하는 공정과, 상기 액정기판의 단위 셀들 상에 절연막 및 배향막을 형성하는 공정과, 상기 액정기판의 스크라이브 라인으로 예정되어 있는 부분을 절단하여 단위 셀들을 형성하는 공정을 구비함에 있다.According to another aspect of the present invention, there is provided a method of manufacturing an LCD, including: forming a unit cell including a transparent electrode pattern and pads connected to the transparent electrode pattern and in contact with an external terminal on a liquid crystal substrate; And forming an insulating film and an alignment film on the unit cells of the liquid crystal substrate, and forming unit cells by cutting a predetermined portion of the liquid crystal substrate by a scribe line.
이하, 본 발명에 따른 LCD의 제조 방법에 관하여 첨부도면을 참조하여 상세히 설명한다.Hereinafter, a method of manufacturing an LCD according to the present invention will be described in detail with reference to the accompanying drawings.
제2도는 본 발명에 따른 LCD를 설명하기 위한 개략도로서, 이를 참조하여 장치 및 방법을 함께 설명한다.2 is a schematic view for explaining an LCD according to the present invention, with reference to this will be described the apparatus and method together.
먼저, 투명재질, 예를들어 석영재질의 액정기판(1)에서 영상이 표시되는 디스플레이 영역(2)에 예정된 형상의 화속전극등의 투명전극 패턴(3)들이 형성되어 있으며, 상기 액정기판(1)의 타측에는 상기 투명전극 패턴(3)들을 외부 단자(도시되지 않음)들과 연결시키는 접촉패드(4)들이 일렬로 형성되어 있다. 상기 디스플레이 영역(2)과 접촉패드(4)들의 사이로 후속 조립 공정에서의 실패턴(5)이 지나간다.First, transparent electrode patterns 3 such as fire electrodes having a predetermined shape are formed in a display area 2 in which an image is displayed on a transparent material, for example, a quartz material. ), Contact pads 4 are formed in a row to connect the transparent electrode patterns 3 to external terminals (not shown). A failure turn 5 in the subsequent assembly process passes between the display area 2 and the contact pads 4.
또한 상기 액정기판(1)의 일측에 일렬로 배열되어 있는 접촉패드(4)들의 사이에는 돌출부(6A)를 갖는 댐 패턴(6)들이 형성되어 있어 인접한 접촉패드(4)들을 연결시키며, 상기 돌출부(6A)의 일부는 스크라이브 라인(7)을 지나 단위셀의 바깥쪽에 형성된다. 여기서 상기 돌출부(6A)는 ㄷ자 형상으로 형성하였으나, 임의의 형상, 예를들어 u자나 ㅅ자 형상으로 형성할 수도 있다.In addition, dam patterns 6 having protrusions 6A are formed between the contact pads 4 arranged in one line on one side of the liquid crystal substrate 1 to connect adjacent contact pads 4. A part of 6A is formed outside the unit cell past the scribe line 7. Here, the protrusion 6A is formed in a c-shape, but may be formed in an arbitrary shape, for example, a u-shape or a u-shape.
상기와 같은 댐 패턴(6)은 접촉패드(4)들의 사이에 형성되고, 돌출부(6A)는 극히 작은 면적만을 차지하여 타측의 단위셀에 남게되므로, 하나의 기판에 형성되는 단위 셀들의 갯수에는 영향을 미치지 않는다.Since the dam pattern 6 is formed between the contact pads 4 and the protruding portion 6A occupies an extremely small area and remains in the unit cell on the other side, the number of unit cells formed on one substrate is limited. Does not affect
상기와 같은 투명전극 패턴(2)을 액정기판(1)상에 형성한 후, 절연막 및 배향막을 순차적으로 형성하고, 액정을 일정한 방향으로 배향시키기 위한 러빙 공정을 실시하여 액정기판을 완성한다. 여기서 상기 투명전극 패턴(2)들이 서로 연결되어 등전위를 이루므로 정전기 스파크는 일어나지 않는다.After forming the transparent electrode pattern 2 as described above on the liquid crystal substrate 1, an insulating film and an alignment layer are sequentially formed, and a rubbing process for aligning the liquid crystals in a predetermined direction is performed to complete the liquid crystal substrate. Here, since the transparent electrode patterns 2 are connected to each other to form an equipotential, static sparking does not occur.
그 다음 상기 액정기판(1)의 스크라이브 라인(7)을 따라 각 단위셀들을 분리하는 스크라이브 공정을 실시하여 상기 댐패턴(6)들의 돌출부(6A)를 절단하여 각각의 접촉패드(4)들을 독립시킨 후, 각각의 단위셀에 실패턴(5)을 형성하고 두장의 상하측 액정기판(1)을 접합하고 액정을 주입한후, 밀봉하여 LCD판넬을 완성한다.Next, a scribe process of separating the unit cells along the scribe line 7 of the liquid crystal substrate 1 is performed to cut the protruding portions 6A of the dam patterns 6 so that the respective contact pads 4 are independent. After this, a failure turn 5 is formed in each unit cell, the two upper and lower liquid crystal substrates 1 are bonded together, the liquid crystal is injected, and then the LCD panel is completed by sealing.
이상에서 설명한 바와 같이, 본 발명에 따른 LCD 및 그 제조방법은 투명전극 패턴과 연결되어 외부단자와 접촉되는 접촉패드들의 사이에 스크라이브 라인을 통과하는 돌출부를 갖는 댐 패턴을 형성하여 상기 접촉패드들을 서로 연결하여 투명전극 패턴들이 등전위가 되도록 하여 제조 공정 특히 러빙 공정시 발생되는 정전기에 의한 스파크 발생을 방지하고, 후속 스크라이브 공정에서 상기 돌출부를 제거하여 상기 접촉패드들을 독립시켰으므로, 정전기 방번에 의한 스파크가 일어나지 않도록하여 투명전극 패턴의 단선 및 불량 발생을 방지하고 댐패턴이 차지하는 면적이 매우 작아 하나의 액정기판에 형성되는 단위셀의 숫자에 영향을 미치지 않아 공정수율을 및 소자동작의 신뢰성을 향상시킬 수 있는 이점이 있다.As described above, the LCD and the method of manufacturing the same according to the present invention form a dam pattern having a protrusion passing through a scribe line between the contact pads connected to the transparent electrode pattern and in contact with the external terminal, thereby contacting the contact pads with each other. By connecting the transparent electrode patterns to the equipotential to prevent sparking caused by static electricity generated during the manufacturing process, especially the rubbing process, and to remove the protrusions in the subsequent scribing process to separate the contact pads, This prevents breakage and defects in the transparent electrode pattern, and the area occupied by the dam pattern is so small that it does not affect the number of unit cells formed on one liquid crystal substrate, thereby improving process yield and reliability of device operation. There is an advantage to that.
Claims (4)
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| Application Number | Priority Date | Filing Date | Title |
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| KR1019940031557A KR0142045B1 (en) | 1994-11-28 | 1994-11-28 | Lcd devices and its manufacturing method |
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| KR1019940031557A KR0142045B1 (en) | 1994-11-28 | 1994-11-28 | Lcd devices and its manufacturing method |
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| KR0142045B1 true KR0142045B1 (en) | 1998-06-15 |
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| CN107463043A (en) * | 2017-09-22 | 2017-12-12 | 惠科股份有限公司 | Liquid crystal display panel and liquid crystal display device |
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| KR100422272B1 (en) * | 1996-11-04 | 2004-06-16 | 엘지.필립스 엘시디 주식회사 | Method for fabricating lcd and lcd fabricated by the same |
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| CN107463043A (en) * | 2017-09-22 | 2017-12-12 | 惠科股份有限公司 | Liquid crystal display panel and liquid crystal display device |
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