WO2010100783A1 - 液晶パネル - Google Patents
液晶パネル Download PDFInfo
- Publication number
- WO2010100783A1 WO2010100783A1 PCT/JP2009/067321 JP2009067321W WO2010100783A1 WO 2010100783 A1 WO2010100783 A1 WO 2010100783A1 JP 2009067321 W JP2009067321 W JP 2009067321W WO 2010100783 A1 WO2010100783 A1 WO 2010100783A1
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- WO
- WIPO (PCT)
- Prior art keywords
- liquid crystal
- coil
- signal line
- crystal panel
- counter
- Prior art date
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 85
- 239000000758 substrate Substances 0.000 claims abstract description 72
- 239000011159 matrix material Substances 0.000 claims abstract description 38
- 238000004804 winding Methods 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims description 27
- 239000011521 glass Substances 0.000 claims description 6
- 239000011229 interlayer Substances 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 230000004907 flux Effects 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 6
- 238000004891 communication Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000005674 electromagnetic induction Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 206010067482 No adverse event Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
- G09G3/3655—Details of drivers for counter electrodes, e.g. common electrodes for pixel capacitors or supplementary storage capacitors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/5227—Inductive arrangements or effects of, or between, wiring layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/13—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body combined with thin-film or thick-film passive components
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L28/00—Passive two-terminal components without a potential-jump or surface barrier for integrated circuits; Details thereof; Multistep manufacturing processes therefor
- H01L28/10—Inductors
-
- 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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133334—Electromagnetic shields
-
- 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
- G02F1/136286—Wiring, e.g. gate line, drain line
- G02F1/13629—Multilayer wirings
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/06—Handling electromagnetic interferences [EMI], covering emitted as well as received electromagnetic radiation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Definitions
- the present invention relates to a liquid crystal panel used for a display unit of various electronic devices.
- Electronic devices are required to have both low electrical noise and no adverse effects on other devices, and no malfunction even when receiving some noise from other devices (EMC: Electro-Magnetic Compatibility)
- EMC Electro-Magnetic Compatibility
- electronic devices that perform wireless communication and electronic devices that perform high-speed operations for example, mobile phones
- the noise generated by the device itself may adversely affect the performance of the device.
- a liquid crystal module 83 is accommodated in a lid-side casing 81, and a CPU 84, a logic circuit 85, a high-frequency circuit 86, a communication antenna 87, and the like are accommodated in a main body casing 82.
- a flexible printed circuit board (Flexible Printed Circuit; hereinafter referred to as FPC) 88 is provided between them.
- the communication antenna 87 radiates electromagnetic waves according to the control from the high frequency circuit 86. Part of the radiated electromagnetic wave affects the wiring on the FPC 88, and noise is added to the wiring on the FPC 88.
- the wiring on the FPC 88 is connected to the liquid crystal module control circuit.
- the noise is also applied to the counter electrode voltage of the liquid crystal panel via the liquid crystal module control circuit, the liquid crystal applied voltage becomes unstable, and the display quality of the liquid crystal screen is lowered.
- a noise countermeasure component for example, a bypass capacitor or a common mode choke coil
- noise countermeasure components can be provided on the FPC 88.
- Patent Document 1 in order to obtain a reactance value in a substrate pattern, as shown in FIG. 6, a C-shaped shape is formed on the surface of each layer 91a-c of the build-up multilayer substrate 90. It is described that the coil patterns 92a to 92d are formed and the coil patterns 92a to 92d are connected by the build-up vias 93a to 93c to form a spiral coil as a whole.
- an object of the present invention is to provide a liquid crystal panel that is resistant to noise without providing noise countermeasure components.
- a first aspect of the present invention is a liquid crystal panel having a structure in which a liquid crystal is sandwiched between a pair of substrates, An active matrix substrate in which a plurality of pixel circuits including switching elements and pixel electrodes are formed on a glass substrate; A counter substrate on which a counter electrode facing the pixel electrode is formed on another glass substrate, The active matrix substrate includes a coil formed by rotating a part of at least one of a counter signal line electrically connected to the counter electrode and a power supply line on the substrate in a plane parallel to the substrate.
- the coil is formed using a part of the counter signal line, and is connected between an external terminal connected to the counter signal line and a connection point between the counter signal line and the counter electrode closest to the external terminal. It is provided in.
- the counter signal line includes a loop-shaped wiring that surrounds an arrangement region of the pixel circuit, The coil is formed by using a part of the counter signal line.
- the switching element is formed using two wiring layers of the active matrix substrate,
- the coil is formed by electrically connecting wirings provided in each of the two wiring layers.
- the coil is formed by connecting wirings provided in each of the two wiring layers with an interlayer connection member.
- a sixth aspect of the present invention is the fourth aspect of the present invention,
- the coil is formed by providing wirings which are in direct contact with each of the two wiring layers.
- the active matrix substrate includes a plurality of one-turn coils connected in series as the coil.
- the one-turn coil includes one having a certain winding direction and one having an opposite winding direction.
- the first aspect of the present invention by inserting a coil in series with a counter signal line or a power supply line on an active matrix substrate, noise on these wirings is removed, and noise resistance of the liquid crystal panel is increased. Can do. If a coil is inserted in series with the counter signal line, noise on the counter electrode voltage can be removed, the liquid crystal applied voltage can be stabilized, and the display quality of the liquid crystal screen can be improved. If a coil is inserted in series with the power supply line, noise on the power supply line can be removed, the power supply voltage can be stabilized, and the display quality of the liquid crystal screen can be improved.
- the coil is formed by rotating the counter signal line or the power supply line on the active matrix substrate, it is not necessary to provide a noise countermeasure component around the liquid crystal panel. Therefore, a liquid crystal panel that is resistant to noise can be obtained without providing noise countermeasure components.
- the coil is inserted between the external terminal connected to the counter signal line and the connection point between the counter signal line closest to the external terminal and the counter electrode.
- the noise riding on the electrode voltage can be removed more effectively, and the display quality of the liquid crystal screen can be further improved.
- the third aspect of the present invention even when a current due to electromagnetic induction flows through the counter signal line including the loop-shaped wiring and noise is applied to the counter electrode voltage, by inserting a coil in series with the counter signal line, The noise can be removed and the display quality of the liquid crystal screen can be improved.
- the counter signal line or the power supply line is circulated in a plane parallel to the substrate using the two wiring layers of the active matrix substrate, thereby having a noise removing function.
- the coil can be easily formed.
- the counter signal lines or the power supply lines on the active matrix substrate are circulated in a plane parallel to the substrate, so that each has a noise removing function and is connected in series. Can be easily formed.
- two types of one-turn coils with different winding directions are formed together to generate two types of magnetic fluxes with different directions when current flows through the coils,
- the leakage of magnetic flux to the outside due to the coupling of magnetic flux can be reduced, and the influence on the outside can be reduced.
- FIG. 1 is an exploded perspective view showing a configuration of a liquid crystal panel according to an embodiment of the present invention.
- FIG. 1 shows a liquid crystal panel 10 according to the present embodiment and an FPC (flexible printed circuit board) 19 connected to the liquid crystal panel 10.
- the liquid crystal panel 10 includes an active matrix substrate 11 and a counter substrate 12.
- the active matrix substrate 11 is obtained by forming a plurality of pixel circuits including switching elements and pixel electrodes on a glass substrate.
- the counter substrate 12 is obtained by forming a counter electrode facing a pixel electrode on another glass substrate.
- a liquid crystal (not shown) is filled between the active matrix substrate 11 and the counter substrate 12.
- the liquid crystal panel 10 has a structure in which liquid crystal is sandwiched between a pair of substrates.
- FIG. 2 is a circuit diagram of a circuit formed in the liquid crystal panel 10.
- the counter electrode 24 shown in FIG. 2 is formed on almost the entire surface of the counter substrate 12.
- the inter-substrate connecting members 25 to 28 are provided at positions corresponding to the four corners of the counter electrode 24 between the active matrix substrate 11 and the counter substrate 12.
- the other components shown in FIG. 2 are formed on the active matrix substrate 11.
- a plurality of scanning signal lines Gi parallel to each other and a plurality of data signal lines Sj parallel to each other orthogonal to the scanning signal lines Gi are formed.
- the scanning signal line Gi and the data signal line Sj are connected to an external terminal (not shown) provided on the active matrix substrate 11 or a drive circuit (not shown) formed on the active matrix substrate 11.
- the scanning signal line Gi and the data signal line Sj are driven by a driving circuit provided outside the liquid crystal panel 10 or a driving circuit formed integrally with the liquid crystal panel 10.
- a pixel circuit 20 is formed in the vicinity of each intersection of the scanning signal line Gi and the data signal line Sj.
- the pixel circuit 20 includes a thin film transistor (hereinafter referred to as TFT) 21, a pixel electrode 22, and an auxiliary capacitor 23 that function as switching elements.
- TFT thin film transistor
- the gate electrode of the TFT 21 is connected to the scanning signal line Gi
- the source electrode is connected to the data signal line Sj
- the drain electrode is connected to one electrode of the pixel electrode 22 and the auxiliary capacitor 23.
- the other electrode of the auxiliary capacitor 23 is connected to the counter signal line 13.
- the counter electrode 24 is disposed so as to face all the pixel electrodes 22, thereby forming a liquid crystal capacitor for each pixel circuit.
- the counter signal line 13 includes a loop wiring surrounding the arrangement area of the pixel circuit 20 and a wiring (wiring parallel to the scanning signal line Gi) crossing the arrangement area of the pixel circuit 20.
- An external terminal Vcom1 is provided at one end of the loop wiring, and an external terminal Vcom2 is provided at the other end. The same voltage is applied to the external terminals Vcom1 and Vcom2 from a liquid crystal module control circuit (not shown) disposed on the FPC 19.
- the loop wiring is connected to the inter-substrate connecting members 25 to 28 at four points along the way.
- a desired voltage (counter electrode voltage) is applied to the counter electrode 24 from the outside. Can be applied.
- the reason why the counter electrode voltage is applied by the above method is to make the counter electrode voltage constant regardless of the position on the counter electrode 24.
- the counter signal line 13 is formed so that a part thereof wraps around in a small plane in a plane parallel to the active matrix substrate 11.
- the coil 14 is inserted in series with the counter signal line 13.
- the counter signal line 13 and the counter electrode 24 are electrically connected at four locations, and the connection point at the position of the inter-substrate connection member 28 among the four connection points is closest to the external terminal Vcom2.
- the coil 14 is formed between the external terminal Vcom2 and the connection point at the position of the inter-board connection member 28.
- a part of the counter signal line 13 is parallel to the active matrix substrate 11 between the external terminal Vcom 2 and the connection point between the counter signal line 13 and the counter electrode 24 closest to the external terminal Vcom 2.
- the coil 14 is formed by rotating in a smooth plane.
- FIG. 3 is a plan view of the coil 14, and FIG. 4 is a perspective view of the coil 14.
- the active matrix substrate 11 has two metal wiring layers (hereinafter referred to as a first wiring layer and a second wiring layer) in order to form the TFT 21.
- the first wiring layer is used for forming a gate electrode of the TFT 21 and the second wiring layer is used for forming a source electrode of the TFT 21 and the like.
- the coil 14 is formed by connecting the wiring 31 of the first wiring layer and the wiring 32 of the second wiring layer with a contact 33. That is, the coil 14 is formed by connecting the wirings 31 and 32 respectively provided in the two wiring layers used when forming the TFT 21 with the interlayer connection member.
- the coil 14 shown in FIGS. 3 and 4 includes five one-turn coils connected in series.
- the five one-turn coils include those having a certain winding direction and those having a reverse winding direction.
- the number of these two types of one-turn coils is preferably substantially the same (in this example, three and two).
- the coil 14 shown in FIG. 4 is formed by connecting the wirings 31 and 32 with the contact 33. However, by providing the wirings that are in direct contact with each of the first wiring layer and the second wiring layer, the coil 14 is provided. May be formed. Thus, the coil is formed by electrically connecting the wirings provided in each of the two wiring layers of the active matrix substrate.
- the effects of the liquid crystal panel 10 according to the present embodiment will be described in comparison with a conventional liquid crystal panel that does not include the coil 14.
- a case is considered where the conventional liquid crystal panel and the liquid crystal panel 10 according to the present embodiment are used in a liquid crystal module 83 of a mobile phone shown in FIG.
- the liquid crystal module 83 and the CPU 84 are housed in separate housings, and both are connected using the FPC 88.
- the wiring on the FPC 88 is longer than the wiring on the rigid substrate and is susceptible to noise.
- the counter signal line 13 includes a loop wiring (see FIGS. 1 and 2). Under such conditions, the CPU 84 performs high-speed operation to realize the function of the mobile phone, and the communication antenna 87 radiates electromagnetic waves in accordance with control from the high-frequency circuit 86.
- the wiring on the FPC 88 is susceptible to noise and functions as an antenna that receives the radiated electromagnetic waves. For this reason, high-frequency noise is applied to the wiring on the FPC 88, and the power supply voltage supplied to the liquid crystal module control circuit of the liquid crystal module 83 becomes unstable.
- the counter signal line 13 is connected to a liquid crystal module control circuit provided on the FPC 88. However, since the power supply voltage supplied to the liquid crystal module control circuit is unstable, the counter electrode voltage output to the counter signal line 13 is reduced. Also get high frequency noise.
- the coil 14 is inserted in series with the counter signal line 13 by rotating a part of the counter signal line 13 in a plane parallel to the active matrix substrate 11. ing.
- the impedance Z increases and the coil functions as a resistor.
- the coil has a property of passing a low-frequency signal and converting high-frequency noise into heat to block it.
- the cut-off frequency is determined according to the frequency of the electromagnetic wave radiated from the electronic device including the liquid crystal panel 10, and the inductance of the coil 14 is determined.
- the shape of the coil 14 (number of one-turn coils, size, wiring width, connection form, etc.) is determined so that the determined inductance is obtained.
- the coil 14 is formed by circling the counter signal line on the active matrix substrate 11, it is not necessary to provide a noise countermeasure component around the liquid crystal panel 10. Therefore, the noise tolerance of the liquid crystal panel 10 can be enhanced regardless of the component mounting area of the FPC 19.
- a coil in which a part of the counter signal line is circulated in a plane parallel to the substrate is formed on the active matrix substrate.
- the coil is formed between the external terminal connected to the counter signal line and the connection point between the counter signal line and the counter electrode closest to the external terminal.
- the noise is suppressed by inserting a coil in series with the counter signal line, and the liquid crystal screen Display quality can be improved.
- the coil is formed by electrically connecting wirings provided in each of the two wiring layers of the active matrix substrate. By using these two wiring layers to circulate the counter signal line, a coil having a noise removal function can be easily formed.
- the active matrix substrate is formed with a plurality of one-turn coils connected in series, and the one-turn coil includes one having a certain winding direction and one having a reverse winding direction. Yes.
- a one-turn coil can be easily formed by rotating the counter signal line on the active matrix substrate in a plane parallel to the substrate.
- two types of magnetic fluxes with different directions are generated when current flows through the coils, and the leakage of magnetic flux to the outside due to the coupling of magnetic fluxes is reduced. The influence on the outside can be reduced.
- the coil is formed using the counter signal line, but a similar coil may be formed using the power line on the active matrix substrate. Further, the coil may be formed using the opposing signal line and the power line on the active matrix substrate.
- the liquid crystal panel of the present invention has a feature that it is resistant to noise without providing noise suppression components, it can be used for display portions of various electronic devices such as mobile phones.
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Abstract
Description
ガラス基板上にスイッチング素子と画素電極を含む画素回路が複数形成されたアクティブマトリクス基板と、
別のガラス基板上に前記画素電極に対向する対向電極が形成された対向基板とを備え、
前記アクティブマトリクス基板は、前記対向電極に電気的に接続される対向信号線および基板上の電源線の少なくとも一方の一部を基板と平行な平面内で周回させて形成されたコイルを含むことを特徴とする。
前記コイルは、前記対向信号線の一部を用いて形成され、前記対向信号線に接続された外部端子と、当該外部端子に最も近い前記対向信号線と前記対向電極との接続点との間に設けられていることを特徴とする。
前記対向信号線は、前記画素回路の配置領域を囲むループ状配線を含み、
前記コイルは、前記対向信号線の一部を用いて形成されていることを特徴とする。
前記スイッチング素子は、前記アクティブマトリクス基板が有する2層の配線層を用いて形成され、
前記コイルは、前記2層の配線層のそれぞれに設けられた配線を電気的に接続することにより形成されていることを特徴とする。
前記コイルは、前記2層の配線層のそれぞれに設けられた配線を層間接続部材で接続することにより形成されていることを特徴とする。
前記コイルは、前記2層の配線層のそれぞれに互いに直接接する配線を設けることにより形成されていることを特徴とする。
前記アクティブマトリクス基板は、前記コイルとして、直列に接続された複数の一巻きコイルを含むことを特徴とする。
前記一巻きコイルには、ある巻き方向を有するものと、逆の巻き方向を有するものとが含まれていることを特徴とする。
11…アクティブマトリクス基板
12…対向基板
13…対向信号線
14…コイル
20…画素回路
21…TFT
22…画素電極
23…補助容量
24…対向電極
25~28…基板間接続部材
31…第1配線層の配線
32…第2配線層の配線
33…コンタクト
Claims (8)
- 一対の基板の間に液晶を挟んだ構造を有する液晶パネルであって、
ガラス基板上にスイッチング素子と画素電極を含む画素回路が複数形成されたアクティブマトリクス基板と、
別のガラス基板上に前記画素電極に対向する対向電極が形成された対向基板とを備え、
前記アクティブマトリクス基板は、前記対向電極に電気的に接続される対向信号線および基板上の電源線の少なくとも一方の一部を基板と平行な平面内で周回させて形成されたコイルを含むことを特徴とする、液晶パネル。 - 前記コイルは、前記対向信号線の一部を用いて形成され、前記対向信号線に接続された外部端子と、当該外部端子に最も近い前記対向信号線と前記対向電極との接続点との間に設けられていることを特徴とする、請求項1に記載の液晶パネル。
- 前記対向信号線は、前記画素回路の配置領域を囲むループ状配線を含み、
前記コイルは、前記対向信号線の一部を用いて形成されていることを特徴とする、請求項1に記載の液晶パネル。 - 前記スイッチング素子は、前記アクティブマトリクス基板が有する2層の配線層を用いて形成され、
前記コイルは、前記2層の配線層のそれぞれに設けられた配線を電気的に接続することにより形成されていることを特徴とする、請求項1に記載の液晶パネル。 - 前記コイルは、前記2層の配線層のそれぞれに設けられた配線を層間接続部材で接続することにより形成されていることを特徴とする、請求項4に記載の液晶パネル。
- 前記コイルは、前記2層の配線層のそれぞれに互いに直接接する配線を設けることにより形成されていることを特徴とする、請求項4に記載の液晶パネル。
- 前記アクティブマトリクス基板は、前記コイルとして、直列に接続された複数の一巻きコイルを含むことを特徴とする、請求項1に記載の液晶パネル。
- 前記一巻きコイルには、ある巻き方向を有するものと、逆の巻き方向を有するものとが含まれていることを特徴とする、請求項7に記載の液晶パネル。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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RU2011140314/28A RU2479002C1 (ru) | 2009-03-05 | 2009-10-05 | Жидкокристаллическая панель |
EP09841143A EP2405297A4 (en) | 2009-03-05 | 2009-10-05 | LIQUID CRYSTAL PANEL |
BRPI0924408A BRPI0924408A2 (pt) | 2009-03-05 | 2009-10-05 | painel de cristal líquido |
US12/998,860 US8477280B2 (en) | 2009-03-05 | 2009-10-05 | Liquid crystal panel |
JP2011502571A JP5225458B2 (ja) | 2009-03-05 | 2009-10-05 | 液晶パネル |
CN200980149533.3A CN102246092B (zh) | 2009-03-05 | 2009-10-05 | 液晶面板 |
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JP2009051425 | 2009-03-05 | ||
JP2009-051425 | 2009-03-05 |
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PCT/JP2009/067321 WO2010100783A1 (ja) | 2009-03-05 | 2009-10-05 | 液晶パネル |
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US (1) | US8477280B2 (ja) |
EP (1) | EP2405297A4 (ja) |
JP (1) | JP5225458B2 (ja) |
CN (1) | CN102246092B (ja) |
BR (1) | BRPI0924408A2 (ja) |
RU (1) | RU2479002C1 (ja) |
WO (1) | WO2010100783A1 (ja) |
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WO2022168411A1 (ja) * | 2021-02-04 | 2022-08-11 | 株式会社ジャパンディスプレイ | 半導体基板及び電子機器 |
Families Citing this family (7)
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CN106842740A (zh) * | 2016-12-27 | 2017-06-13 | 深圳市华星光电技术有限公司 | 一种液晶显示面板及其制作方法 |
JP6797042B2 (ja) * | 2017-02-02 | 2020-12-09 | 株式会社ジャパンディスプレイ | 表示装置 |
CN107844010A (zh) * | 2017-11-21 | 2018-03-27 | 武汉华星光电半导体显示技术有限公司 | 阵列基板以及显示装置 |
RU184564U1 (ru) * | 2018-07-12 | 2018-10-30 | Акционерное общество "Промышленная группа "Метран" (АО "ПГ "Метран") | Детектор электромагнитной помехи, воздействующей на модуль жки |
CN110364915B (zh) * | 2019-06-24 | 2024-09-17 | 宁波图锐自动化设备有限公司 | 一种用于液晶屏翻盖式插口的对插机 |
KR20210020481A (ko) * | 2019-08-14 | 2021-02-24 | 삼성전자주식회사 | 디스플레이 장치 및 그 제어 방법 |
CN111462687B (zh) * | 2020-06-09 | 2021-05-25 | 上海天马有机发光显示技术有限公司 | 显示面板及其驱动方法、显示装置 |
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2009
- 2009-10-05 CN CN200980149533.3A patent/CN102246092B/zh not_active Expired - Fee Related
- 2009-10-05 US US12/998,860 patent/US8477280B2/en not_active Expired - Fee Related
- 2009-10-05 WO PCT/JP2009/067321 patent/WO2010100783A1/ja active Application Filing
- 2009-10-05 EP EP09841143A patent/EP2405297A4/en not_active Withdrawn
- 2009-10-05 JP JP2011502571A patent/JP5225458B2/ja not_active Expired - Fee Related
- 2009-10-05 RU RU2011140314/28A patent/RU2479002C1/ru not_active IP Right Cessation
- 2009-10-05 BR BRPI0924408A patent/BRPI0924408A2/pt not_active IP Right Cessation
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JP7540014B2 (ja) | 2021-02-04 | 2024-08-26 | 株式会社ジャパンディスプレイ | 電子機器 |
Also Published As
Publication number | Publication date |
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US8477280B2 (en) | 2013-07-02 |
JP5225458B2 (ja) | 2013-07-03 |
RU2479002C1 (ru) | 2013-04-10 |
JPWO2010100783A1 (ja) | 2012-09-06 |
US20110234962A1 (en) | 2011-09-29 |
CN102246092A (zh) | 2011-11-16 |
EP2405297A1 (en) | 2012-01-11 |
CN102246092B (zh) | 2015-04-29 |
EP2405297A4 (en) | 2012-09-26 |
BRPI0924408A2 (pt) | 2016-02-16 |
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