WO2016103370A1 - 表示装置及び表示装置の製造方法 - Google Patents
表示装置及び表示装置の製造方法 Download PDFInfo
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- WO2016103370A1 WO2016103370A1 PCT/JP2014/084172 JP2014084172W WO2016103370A1 WO 2016103370 A1 WO2016103370 A1 WO 2016103370A1 JP 2014084172 W JP2014084172 W JP 2014084172W WO 2016103370 A1 WO2016103370 A1 WO 2016103370A1
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- connection terminal
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- display
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- 238000004519 manufacturing process Methods 0.000 title claims description 18
- 238000000034 method Methods 0.000 claims description 3
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—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
-
- 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
- G02F1/136259—Repairing; Defects
-
- 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
- G02F1/1343—Electrodes
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- 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
- H01L27/1214—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 comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/124—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 comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
-
- 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
- G02F1/133345—Insulating layers
-
- 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
- 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
- G02F1/136259—Repairing; Defects
- G02F1/136263—Line defects
-
- 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
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/14609—Pixel-elements with integrated switching, control, storage or amplification elements
Definitions
- the present invention relates to a display device for displaying video and a method for manufacturing the display device.
- Thin display devices such as liquid crystal display devices, are generally widespread because they have a larger display area than the installation area.
- Thin display devices such as liquid crystal display devices, are generally widespread because they have a larger display area than the installation area.
- a plurality of data signal lines and scanning signal lines are arranged in a matrix.
- a thin film transistor and a pixel electrode connected to the thin film transistor are provided near the intersection of the two.
- the thin film transistor is ON / OFF controlled by the scanning signal line, a signal potential is applied from the data signal line to each pixel electrode, the alignment state of the liquid crystal changes, and information is displayed.
- black lines normally black mode
- bright lines normally white mode
- a spare from the vicinity of the signal input side end of the data signal line to the vicinity of the opposite end of the data signal line (below the display area) through the panel external substrate or the like.
- a signal is input to the portion after the disconnection portion by melt-connecting the end portion (termination portion) of the portion after the disconnection portion of the disconnected data signal line and the spare wiring using a laser or the like.
- the present invention has been made in view of such circumstances, and an object of the present invention is to provide a display device and a method for manufacturing the display device that can reduce the resistance value in the data signal line and the spare wiring.
- a display device includes a display panel having a display area and a non-display area positioned around the display area, a plurality of signal lines provided in the display panel and transmitting a video signal, and the display
- the non-display area of the panel and the outside of the display panel are routed, and the spare wiring to be connected to the signal line, the plurality of connection terminals provided on the display panel, and the first connection terminal
- the spare wiring has a divided first spare wiring portion and second spare wiring portion, and is connected to one end side of the first spare wiring portion.
- a first connection line connected to the output side of the amplifier, routed from the outside of the display panel to a non-display area of the display panel, and connected to a second connection terminal;
- the other end side of the first spare wiring portion is routed from the outside of the display panel to a non-display area of the display panel and connected to a third connection terminal, and the second spare wiring portion is connected to the display panel.
- From the outside of the display panel to the non-display area of the display panel and connected to the fourth connection terminal and connects the fourth connection terminal with the second connection terminal or the third connection terminal.
- a power second connection line is
- the display device is characterized in that the second connection line, the first connection line, the first spare wiring portion, and the second spare wiring portion cross each other through an insulating film.
- the display device is characterized in that it includes a marker for identifying a connection location between the second connection line and the first connection line or the first auxiliary wiring section.
- the second connection terminal and the fourth connection terminal are connected, and the second connection line, the first spare wiring portion, and the second spare wiring portion are made of an insulating film. It is characterized by crossing.
- a display device manufacturing method is any of the above-described display device manufacturing methods, the step of inspecting whether or not each of the plurality of signal lines is cut, and the cutting of the signal lines in the step.
- a display device includes a display panel having a display area and a non-display area positioned around the display area, a signal line provided in the display panel, for transmitting a video signal, and the display panel A spare wiring routed to the outside and the non-display area of the display panel, to be connected to the signal line, a plurality of connection terminals provided in the non-display area of the display panel, and a first connection terminal And an amplifier located outside the display panel, the output side of which is to be connected to the spare wiring, and a signal from the signal line to the amplifier via a first connection terminal.
- the preliminary line may be connected to the third connection terminal.
- the display device includes a second auxiliary wiring routed outside the display panel, the second auxiliary wiring is connected to a fourth connection terminal, and the second connection line is 3 is a line to be connected to the third connection terminal and the fourth connection terminal.
- the display device manufacturing method according to the present invention is the above-described display device manufacturing method, the step of inspecting the presence or absence of each of the plurality of signal lines, and the disconnection of the signal lines being detected in the step.
- the melt connection between the second connection line, the second connection terminal, the third connection terminal, and the fourth connection terminal is realized.
- the manufacturer confirms the sign and recognizes the location to be connected.
- the other signal line when another signal line is disconnected, the other signal line is connected to the connection portion, and the third connection terminal, the fourth connection terminal, and the second connection line are connected. Connect and disconnect the second connection terminal and the fourth connection terminal.
- the signal line and the amplifier are connected via the first connection terminal, and the second connection line is connected to the second and third connection terminals.
- the signal line and the amplifier are connected via the first connection terminal, and the second connection terminal is connected to the third connection line via the second connection line.
- the fourth connection terminal is connected.
- the one signal line and the amplifier are connected via the first connection terminal, and the second The connection terminal and the fourth connection terminal are connected to the second connection line.
- a first connection line is connected to the second connection terminal, and the first connection line is routed outside the display panel.
- a second spare wiring portion is connected to the fourth connection terminal, and the second spare wiring portion is routed outside the display panel. Therefore, it is possible to shorten the distance from the connection point between one signal line and the first connection terminal to the spare wiring, and to reduce the resistance of the entire wiring after repair.
- the signal line and the amplifier are connected via the first connection terminal, and the second connection line;
- the second and third connection terminals are connected.
- the output side of the amplifier is connected to the second connection terminal. Since the second and third connection terminals are connected to the spare wiring, the distance from the connection point between the signal line and the first connection terminal to the spare wiring is shortened, and the resistance of the entire wiring after repair is reduced. be able to.
- FIG. 3 is a plan view schematically showing a main part of the display device according to the first embodiment.
- FIG. 4 is an enlarged plan view schematically showing a configuration near a source terminal portion.
- FIG. 5 is an enlarged plan view schematically showing a state in which data signal lines are connected to a first relay line and a second relay line when data signal lines corresponding to first and fourth source terminal portions are cut.
- FIG. 6 is an enlarged plan view schematically showing a configuration near a source terminal portion of a display device according to a second embodiment.
- 10 is an enlarged plan view schematically showing a configuration near a source terminal portion of a display device according to Embodiment 3.
- FIG. 5 is an enlarged plan view schematically showing a state in which data signal lines are connected to a first relay line and a second relay line when data signal lines corresponding to first and fourth source terminal portions are cut.
- FIG. 6 is an enlarged plan view schematically showing a configuration near a source terminal portion of a display device according to a fourth embodiment.
- FIG. 5 is an enlarged plan view schematically showing a state in which data signal lines are connected to a first relay line and a second relay line when data signal lines corresponding to first and fourth source terminal portions are cut.
- FIG. 1 is a plan view schematically showing a main part of the display device
- FIG. 2 is an enlarged plan view schematically showing a configuration near a source terminal portion.
- the display device includes a horizontally long rectangular display panel 1 having a liquid crystal, and a central portion of the display panel 1 is a display area 2 for displaying a horizontally long rectangular image.
- the periphery of the display area 2 has a horizontally long rectangular frame shape, and is a non-display area 2b in which no video is displayed.
- a plurality of gate terminal portions 3, 3,..., 3 in the form of a film are juxtaposed in the vertical direction on each short side (right side or left side in FIG. 1) of the display panel 1.
- a scanning signal line (not shown) extends in the horizontal direction from each of the gate terminal portions 3.
- a plurality of data signal lines 5, 5,..., 5 extending in the vertical direction are arranged in parallel in the horizontal direction.
- the data signal lines 5 and the scanning signal lines are orthogonal to each other and arranged on the display panel 1 in a matrix.
- a thin film transistor (not shown) and a pixel electrode (not shown) connected to the thin film transistor are provided in the vicinity of the intersection of the data signal line 5 and the scanning signal line.
- the thin film transistor is ON / OFF controlled by the scanning signal line, a signal potential is applied from the data signal line 5 to each pixel electrode, the alignment state of the liquid crystal changes, and information is displayed.
- the display area 2 includes a plurality of (24 in this embodiment) display blocks 2a, 2a,.
- a data signal line 5 is provided for each display block 2a. In FIG. 1, the data signal line 5 is partially omitted.
- a source substrate 8 is provided outside the one long side (the upper side in FIG. 1) of the display panel 1.
- the source substrate 8 is located next to the display panel 1 and is located outside the non-display area 2b.
- a plurality of spare wirings 40 are arranged around the display panel 1, and the spare wirings 40 are provided outside the non-display area 2 b or the display panel 1.
- the spare wiring 40 is routed from the middle of one long side of the display panel 1 toward the short side along the long side, and further to the other long side (the lower side in FIG. 1) along the short side. Has been routed towards. On the short side, the spare wiring 40 is connected to the gate terminal portion 3.
- the spare wiring 40 is further routed along the other long side of the display panel 1 toward the center of the long side. Both end portions of the data signal line 5 are provided on both long sides of the display panel 1 so as to be connectable to the spare wiring 40.
- a plurality of (24 in the present embodiment) source terminal portions 4, 4,..., 4 are arranged in parallel in one long side of the display panel 1.
- Each of the source terminal portions 4 corresponds to each of the display blocks 2a, and corresponds to each of the data signal lines 5.
- the source terminal portion 4 includes a plurality of connection terminals 20, 20,.
- the plurality of connection terminals 20 include first to fourth connection terminals 21 to 24 and an amplifier connection terminal 27.
- the first to fourth connection terminals 21 to 24 are arranged in order.
- the amplifier connection terminal 27 is separated from the first to fourth connection terminals 21 to 24.
- the first connection terminal 21 functions as an amplifier connection terminal.
- the first relay line 31 and the second relay line 32 are provided in the non-display area 2b of the display panel 1.
- Each of the first relay line 31 and the second relay line 32 extends in the lateral direction across the four source terminal portions 4, 4, 4, and 4.
- the four source terminal portions 4 are referred to as first to fourth source terminal portions 11 to 14, respectively.
- the first to fourth source terminal portions 11 to 14 are arranged in order in the horizontal direction.
- the first relay line 31 is connected to the input side of the first connection terminal 21 and the amplifier connection terminal 27 in the first source terminal portion 11 and the third source terminal portion 13.
- the second relay line 32 is connected to the input side of the first connection terminal 21 and the amplifier connection terminal 27 in the second source terminal portion 12 and the fourth source terminal portion 14.
- One end of the data signal line 5 is orthogonal to the first relay line 31 and the second relay line 32 in plan view.
- the data signal line 5, the first relay line 31, and the second relay line 32 are stacked with an insulating film (not shown) interposed therebetween.
- the data signal line 5 and the first relay line 31 and the second relay line 32 are not electrically connected.
- the other long side portion of the display panel 1 is provided with two L-shaped relay lines orthogonal to the other end of the data signal line 5 and the spare wiring 40 in plan view.
- the relay line, the other end of the data signal line 5 and the spare wiring 40 are not electrically connected.
- Two spare wirings 40, 40 are assigned to the four display blocks 2a, 2a, 2a, 2a, and the two spare wirings 40 are mounted on the source substrate 8.
- the two spare wirings 40 are referred to as a first spare wiring 41 and a second spare wiring 42.
- the first spare wiring 41 and the second spare wiring 42 extend in the lateral direction on the source substrate 8.
- the first spare wiring 41 includes a divided first spare wiring portion 411 and a second spare wiring portion 412.
- the second spare wiring 42 includes a divided first 'spare wiring portion 421 and second' spare wiring portion 422.
- a COF 6 Chip On Film
- two amplifiers 7 and 7 are mounted on the COF 6. Note that although a plurality of COFs 6 are provided corresponding to the connection terminals 20, the COFs 6 are simplified in FIG. 2 for easy understanding.
- the input side of one amplifier 7 is connected to an amplifier connection terminal 27.
- the input side of the other amplifier 7 is connected to the first connection terminal 21.
- the output sides of the amplifiers 7 and 7 are connected to the second connection terminal 22 via the first connection line 61 routed from the outside of the display panel 1 to the display panel 1. ing. An end portion of the first connection line 61 connected to the second connection terminal 22 extends from the second connection terminal 22 to the display region 2 side.
- the output sides of the amplifiers 7 and 7 are connected to one end side of the first spare wiring portion 411 routed outside the display panel 1.
- the other end side of the first auxiliary wiring portion 411 is routed from the outside of the display panel 1 to the display panel 1 and connected to the third connection terminal 23 of the first source terminal portion 11.
- the other end of the first auxiliary wiring portion 411 extends from the third connection terminal 23 to the display area 2 side.
- One end side of the second spare wiring portion 412 is routed from the outside of the display panel 1 to the display panel 1 and connected to the fourth connection terminal 24 of the first source terminal portion 11.
- One end of the second auxiliary wiring portion 412 extends from the fourth connection terminal 24 to the display area 2 side.
- the other end side of the second spare wiring portion 412 is routed to the other long side of the display panel 1 as described above.
- the second connection is made so as to be orthogonal to the end portion of the first connection line 61, the other end portion of the first spare wiring portion 411, and one end portion of the second spare wiring portion 412 in a plan view.
- a line 62 is provided.
- the second connection line 62, the end of the first connection line 61, the other end of the first spare wiring portion 411, and the one end of the second spare wiring portion 412 are stacked via an insulating film (not shown), Opposite.
- the second connection line 62 is not electrically connected to the end of the first connection line 61, the other end of the first spare wiring portion 411, and the second spare wiring portion 412.
- the output sides of the amplifiers 7 and 7 are connected to the second connection terminal 22 via the first connection line 61 routed from the outside of the display panel 1 to the display panel 1. ing. An end portion of the first connection line 61 connected to the second connection terminal 22 extends from the second connection terminal 22 to the display region 2 side.
- the output sides of the amplifiers 7 and 7 are connected to one end side of the first ′ spare wiring portion 421 routed outside the display panel 1.
- the other end side of the first ′ spare wiring portion 421 is routed from the outside of the display panel 1 to the display panel 1 and connected to the third connection terminal 23 of the second source terminal portion 12.
- the other end of the first ′ spare wiring portion 421 extends from the third connection terminal 23 toward the display region 2.
- One end side of the 2 ′ spare wiring portion 422 is routed from the outside of the display panel 1 to the display panel 1 and connected to the fourth connection terminal 24 of the second source terminal portion 12.
- One end of the second ′ spare wiring portion 422 extends from the fourth connection terminal 24 to the display region 2 side.
- the other end side of the second ′ spare wiring portion 422 is routed to the other long side of the display panel 1 as described above.
- the first connection line 61, the other end portion of the first ′ spare wiring portion 421, and one end portion of the second ′ spare wiring portion 422 are orthogonal to each other in plan view.
- Two connecting lines 62 are provided.
- the second connection line 62, the end of the first connection line 61, the other end of the first ′ spare wiring portion 421, and the second ′ spare wiring portion 422 are stacked via an insulating film (not shown) and face each other. is doing.
- the second connection line 62 is not electrically connected to the end of the first connection line 61, the other end of the first ′ spare wiring part 421, and the second ′ spare wiring part 422.
- the source terminal portion 4 and the second connection line 62 are formed on the display panel 1.
- the source substrate 8 is provided outside the display panel 1.
- the spare wiring 40, the first connection line 61, and the second connection line 62 are made of substantially the same material (for example, copper).
- the film thickness of the portion 61a of the first connection line 61 formed on the display panel 1, the portion 40a of the auxiliary wiring 40 formed on the display panel 1 and the second connection line 62 is outside the display panel 1, for example, the source substrate. 8 or thinner than the portions 61b and 40b formed in the COF6. Therefore, the resistance value in the source terminal portion 4 is higher than the resistance value in the source substrate 8 or the COF 6. In other words, the resistance in the display panel 1 is higher than the resistance on the outside of the display panel 1.
- FIG. 3 shows that when the data signal lines 5 and 5 corresponding to the first and fourth source terminal portions 11 and 14 are disconnected, the data signal lines 5 and 5 are changed to the first relay line 31 and the second relay line 32. It is an enlarged plan view which shows the state which connected respectively.
- the double line indicates the cut location C
- the cross mark indicates the connection location K.
- a dot indicates a state in which a signal from the data signal line 5 is transmitted to the spare wiring 40.
- the display device is inspected whether or not the data signal line 5 is cut, and the display device is manufactured. In this inspection, for example, when it is found that the data signal lines 5 and 5 corresponding to the first and fourth source terminal portions 11 and 14 are disconnected, the data signal line 5 corresponding to the first source terminal portion 11 is disconnected. One end and the first relay line 31 are melt-connected. Further, in the first source terminal portion 11, the second connection line 62 is melt-connected to the end portion of the first connection line 61 and the one end portion of the second auxiliary wiring portion 412.
- lasers are respectively applied to the intersections of the other end portion of the data signal line 5 corresponding to the first source terminal portion 11 and the other end portion of the second spare wiring portion 412 and the relay line. By irradiating, each intersection is melt-connected.
- one end of the data signal line 5 corresponding to the fourth source terminal portion 14 and the second relay line 32 are melt-connected. Further, in the second source terminal portion 12, the second connection line 62 is melt-connected to the other end portion of the first ′ spare wiring portion 421 and one end portion of the second ′ spare wiring portion 422.
- a laser is applied to each of the intersections of the other end portion of the data signal line 5 corresponding to the fourth source terminal portion 14 and the other end portion of the second 'spare wiring portion 422 and the relay line. By irradiating, each intersection is melt-connected.
- the signal transmitted to the second ′ spare wiring section 422 is connected to the second source terminal section 12. It is not input to the output side of the amplifier 7. Therefore, damage to the amplifier 7 can be prevented.
- the data signal line 5 corresponding to the first and fourth source terminal portions 11 and 14 is not cut and the data signal line 5 corresponding to the second source terminal portion 12 is cut, the data What is necessary is just to melt-connect the one end part of the signal wire
- the second connection line 62 is melt-connected to the end portion of the first connection line 61 and the one end portion of the second auxiliary wiring portion 412.
- a laser is applied to each intersection of the other end portion of the data signal line 5 corresponding to the second source terminal portion 11 and the other end portion of the second spare wiring portion 412 and the relay line. By irradiating, each intersection is melt-connected.
- the data signal What is necessary is just to melt-connect the one end part of the line 5 and the 2nd relay line 32.
- the second connection line 62 is melt-connected to the other end portion of the first spare wiring portion 411 and one end portion of the second spare wiring portion 412.
- lasers are respectively applied to the intersections of the other end portion of the data signal line 5 corresponding to the third source terminal portion 13 and the other end portion of the second spare wiring portion 412 and the relay line. By irradiating, each intersection is melt-connected.
- the display device and the manufacturing method of the display device according to the first embodiment for example, when the data signal line 5 corresponding to the first source terminal unit 11 is cut, the data signal line 5 and the amplifier 7 Are connected via the first connection terminal 21, and the second connection terminal 22 and the fourth connection terminal 24 are connected to the second connection line 62.
- the first connection line 61 is connected to the second connection terminal 22, and the first connection line 61 is routed outside the display panel 1. Further, the resistance value of the connection terminal 20 is higher than that of the spare wiring 40 routed outside the display panel 1. Further, a second spare wiring portion 412 is connected to the fourth connection terminal 24, and the second spare wiring portion 412 is routed outside the display panel 1.
- the distance from the connection point between the data signal line 5 and the first relay line 31, in other words, the connection point between the data signal line 5 and the first connection terminal 21 to the spare wiring 40 having a low resistance value is shortened.
- the resistance of the entire wiring after repair can be reduced.
- the second connection line 62, the first connection line 61, the first spare wiring portion 411, and the second spare wiring portion 412 are opposed to each other, the second connection line 62, the first connection line 61, the first Melt connection with the spare wiring part 411 and the second spare wiring part 412 can be realized, and the second connection line 62, the second connection terminal 22, the third connection terminal 23, and the fourth connection terminal 24 Can be connected.
- FIG. 4 is an enlarged plan view schematically showing the configuration near the source terminal portion 4.
- the configuration of the display device according to the second embodiment is the same as that of the first embodiment except for the signs described later.
- “1-A1” is connected to the third connection terminal 23 at the intersection of the first connection line 61 and the second connection line 62 connected to the second connection terminal 22.
- “3-A1” is attached to the intersection of the first spare wiring portion 411 and the second connection line 62 together with an arrow.
- “2-A2” is connected to the third connection terminal 23 at the intersection of the first connection line 61 and the second connection line 62 connected to the second connection terminal 22.
- “4-A2” is attached to the intersection of the first ′ spare wiring portion 421 and the second connection line 62 together with an arrow.
- “1-A1” indicates a portion where the second connection line 62 is connected to the first source terminal unit 11 and the first relay line 31.
- terminal 1” to “terminal 4” for identifying the first to fourth source terminal portions 11 to 14 may be attached to the first to fourth source terminal portions 11 to 14, respectively.
- the manufacturer can confirm the sign and easily recognize the location to be connected. Therefore, the manufacturing efficiency of the display device can be increased.
- FIG. 5 is an enlarged plan view schematically showing the configuration near the source terminal portion 4.
- the end of the first connection line 61 connected to the second connection terminal 22 and the one end of the second auxiliary wiring unit 412 connected to the fourth connection terminal 24 are connected.
- the second connection line 62 is provided so as to be orthogonal to one end portion of the second spare wiring portion 412 and the other end portion of the first spare wiring portion 411 connected to the third connection terminal 23 in plan view. Yes.
- the second connection line 62 and one end of the second spare wiring portion 412 and the other end of the first spare wiring portion 411 are opposed to each other via an insulating film and are not electrically connected.
- the end portion of the first connection line 61 connected to the second connection terminal 22 and the one end portion of the second ′ spare wiring portion 422 connected to the fourth connection terminal 24 are It is connected.
- the second connection line 62 is provided so as to be orthogonal to one end portion of the second 'spare wiring portion 422 and the other end portion of the first' spare wiring portion 421 connected to the third connection terminal 23 in plan view. It has been.
- the second connection line 62 and one end of the second 'spare wiring portion 422 and the other end of the first' spare wiring portion 421 are opposed to each other through an insulating film and are not electrically connected.
- FIG. 6 when the data signal lines 5 and 5 corresponding to the first and fourth source terminal portions 11 and 14 are cut, the data signal lines 5 and 5 are connected to the first relay line 31 and the second relay line 32. It is an enlarged plan view which shows the state which connected respectively.
- the display device is inspected whether or not the data signal line 5 is cut, and the display device is manufactured. In this inspection, for example, when it is found that the data signal lines 5 and 5 corresponding to the first and fourth source terminal portions 11 and 14 are disconnected, the data signal line 5 corresponding to the first source terminal portion 11 is disconnected. One end and the first relay line 31 are melt-connected.
- lasers are respectively applied to the intersections of the other end portion of the data signal line 5 corresponding to the first source terminal portion 11 and the other end portion of the second spare wiring portion 412 and the relay line. By irradiating, each intersection is melt-connected.
- one end of the data signal line 5 corresponding to the fourth source terminal portion 14 and the second relay line 32 are melt-connected.
- the second connection line 62 is melt-connected to the other end portion of the first ′ spare wiring portion 421 and one end portion of the second ′ spare wiring portion 422.
- the end portion of the first connection line 61 and the one end portion of the second auxiliary wiring portion 412 are cut. In other words, the second connection terminal 22 and the fourth connection terminal 24 are disconnected.
- a laser is applied to each of the intersections of the other end portion of the data signal line 5 corresponding to the fourth source terminal portion 14 and the other end portion of the second 'spare wiring portion 422 and the relay line. By irradiating, each intersection is melt-connected.
- the display device and the manufacturing method of the display device according to the third embodiment for example, when the data signal line 5 corresponding to the fourth source terminal portion 14 is cut, the data signal line 5 and the fourth source The terminal part 14 is connected.
- the second connection line 62 is connected to the third and fourth connection terminals 23 and 24, and the second connection terminal 22 and the fourth connection terminal 24 are disconnected.
- the spare wiring 40 is simply connected to the data signal line 5 and the first relay line 31. It can be connected immediately and can be completed in a short time.
- FIG. 7 is an enlarged plan view schematically showing a configuration near the source terminal portion 4.
- the first and second auxiliary wirings 41 and 42 are provided on the source substrate 8 and are located outside the display panel 1.
- the first auxiliary wiring 41 is connected to one end side of the first wiring 71.
- the other end side of the first wiring 71 is connected to the third connection terminal 23.
- the other end portion of the first wiring 71 extends from the third connection terminal 23 to the display region 2 side.
- the second spare wiring 42 is connected to one end side of the second wiring 72.
- the other end side of the second wiring 72 is connected to the fourth connection terminal 24.
- the other end of the second wiring 72 extends from the fourth connection terminal 24 to the display area 2 side.
- the second connection line 62 is provided so as to be orthogonal to the end of the first connection line 61, the other end of the first wiring 71, and the other end of the second wiring 72 in plan view.
- the second connection line 62, the end of the first connection line 61, the other end of the first wiring 71, and the other end of the second wiring 72 are stacked via an insulating film and face each other. That is, the second connection line 62 is not electrically connected to the end of the first connection line 61, the other end of the first wiring 71, and the other end of the second wiring 72.
- FIG. 8 when the data signal lines 5 and 5 corresponding to the first and fourth source terminal portions 11 and 14 are cut, the data signal lines 5 and 5 are changed to the first relay line 31 and the second relay line 32. It is an enlarged plan view which shows the state which connected respectively.
- the display device is inspected whether or not the data signal line 5 is cut, and the display device is manufactured. In this inspection, for example, when it is found that the data signal lines 5 and 5 corresponding to the first and fourth source terminal portions 11 and 14 are disconnected, the data signal line 5 corresponding to the first source terminal portion 11 is disconnected. One end and the first relay line 31 are melt-connected.
- the second connection line 62 is melt-connected to the end portion of the first connection line 61 and the other end portion of the second wiring 72. Further, in the other long side portion of the display panel 1, the other end portion of the data signal line 5 corresponding to the first source terminal portion 11 and the intersection of the second spare wiring 42 and the relay line are irradiated with laser. Melt connect each intersection.
- the one end part of the data signal line 5 corresponding to the fourth source terminal part 14 and the second relay line 32 are melt-connected.
- the second connection line 62 is melt-connected to the end portion of the first connection line 61 and the other end portion of the first wiring 71.
- the other end of the data signal line 5 corresponding to the fourth source terminal portion 14 and the intersection of the first spare wiring 42 and the relay line are irradiated with laser. Melt connect each intersection.
- the output side of the amplifier 7 is connected to the second connection terminal 22. Further, the resistance value of the connection terminal 20 is higher than that of the spare wiring 40. Since the second and third connection terminals 22 and 23 are connected to the spare wiring 40, the connection portion between the signal line 5 and the second relay line 32, that is, the signal line 5 and the first connection terminal 21 is connected. The distance from the connection location to the spare wiring 40 having a low resistance value can be shortened, and the resistance of the entire wiring after repair can be reduced.
- the second connection line 62 is connected to the second and fourth connection terminals 22 and 24.
- the output side of the amplifier 7 is connected to the second connection terminal 22. Further, the resistance value of the connection terminal 20 is higher than that of the spare wiring 40. Since the second and fourth connection terminals 22 and 24 are connected to the second auxiliary wiring 42, the connection point between the signal line 5 and the second relay line 31, that is, the signal line 5 and the first connection terminal. Thus, the distance from the connection point to the second spare wiring 42 having a low resistance value can be shortened, and the resistance of the entire wiring after repair can be reduced.
- the resistance of the spare wiring in the display panel 1 is higher than the resistance of the spare wiring outside the display panel 1.
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Abstract
Description
また本発明に係る表示装置及び表示装置の製造方法においては、例えば信号線が切断されている場合に、第1の接続端子を介して信号線と増幅器とを接続し、第2接続線と、第2及び第3の接続端子とを接続する。また増幅器の出力側は第2の接続端子に接続されている。第2及び第3の接続端子は予備配線に接続されているので、信号線と第1の接続端子との接続箇所から予備配線までの距離を短くし、補修後の配線全体の抵抗を低減させることができる。
以下本発明を実施の形態1に係る表示装置を示す図面に基づいて説明する。図1は表示装置の要部を略示する平面図、図2はソース端子部付近の構成を略示する拡大平面図である。
以下本発明を実施の形態2に係る表示装置を示す図面に基づいて説明する。図4はソース端子部4付近の構成を略示する拡大平面図である。なお後述する標識を除き、実施の形態2に係る表示装置の構成は実施の形態1と同じである。
以下本発明を実施の形態3に係る表示装置を示す図面に基づいて説明する。図5はソース端子部4付近の構成を略示する拡大平面図である。
以下本発明を実施の形態4に係る表示装置を示す図面に基づいて説明する。図7はソース端子部4付近の構成を略示する拡大平面図である。
4 ソース端子部(接続部)
5 データ信号線(信号線)
7 増幅器
8 ソース基板
20 接続端子
21 第1の接続端子
22 第2の接続端子
23 第3の接続端子
24 第4の接続端子
40 予備配線
41 第1予備配線
411 第1予備配線部
412 第2予備配線部
42 第2予備配線
421 第1′予備配線部
422 第2′予備配線部
61 第1接続線
62 第2接続線
Claims (8)
- 表示領域及び該表示領域の周囲に位置する非表示領域を有する表示パネルと、該表示パネルに設けられており、映像信号を伝達する複数の信号線と、前記表示パネルの非表示領域及び前記表示パネルの外側に引き回されており、前記信号線に接続されるべき予備配線と、前記表示パネルに設けられた複数の接続端子と、第1の接続端子にその入力側が接続されており、前記予備配線にその出力側が接続されるべき、前記表示パネルの外側に位置する増幅器とを備え、前記第1の接続端子を介して一の信号線から前記増幅器に信号を入力すべき表示装置であって、
前記予備配線は、分断された第1予備配線部及び第2予備配線部を有し、
前記第1予備配線部の一端側に接続されており、他の信号線に接続されるべき接続部と、
前記増幅器の出力側に接続されており、前記表示パネルの外側から前記表示パネルの非表示領域に引き回され、第2の接続端子に接続された第1接続線と
を備え、
前記第1予備配線部の他端側は前記表示パネルの外側から前記表示パネルの非表示領域に引き回され、第3の接続端子に接続されており、
前記第2予備配線部は前記表示パネルの外側から前記表示パネルの非表示領域に引き回され、第4の接続端子に接続されており、
前記第4の接続端子と、前記第2の接続端子又は第3の接続端子とを接続すべき第2接続線を備えること
を特徴とする表示装置。 - 前記第2接続線と、前記第1接続線、第1予備配線部及び第2予備配線部とは絶縁膜を介して交差していること
を特徴とする請求項1に記載の表示装置。 - 前記第2接続線と、前記第1接続線又は第1予備配線部との接続箇所を識別する標識を備えること
を特徴とする請求項2に記載の表示装置。 - 前記第2の接続端子及び第4の接続端子は接続されており、
前記第2接続線と、前記第1予備配線部及び第2予備配線部とは絶縁膜を介して交差していること
を特徴とする請求項1に記載の表示装置。 - 請求項1から4のいずれか一つに記載の表示装置の製造方法であって、
前記複数の信号線夫々の切断の有無を検査する工程と、
該工程にて前記信号線の切断が検出された場合に、前記第2接続線と、前記第2の接続端子及び第4の接続端子又は第3の接続端子及び第4の接続端子とを接続させる工程と
を備えることを特徴とする表示装置の製造方法。 - 表示領域及び該表示領域の周囲に位置する非表示領域を有する表示パネルと、該表示パネルに設けられており、映像信号を伝達する信号線と、前記表示パネルの外側及び前記表示パネルの非表示領域に引き回されており、前記信号線に接続されるべき予備配線と、前記表示パネルの非表示領域に設けられた複数の接続端子と、第1の接続端子にその入力側が接続されており、前記予備配線にその出力側が接続されるべき、前記表示パネルの外側に位置する増幅器とを備え、第1の接続端子を介して前記信号線から前記増幅器に信号を入力すべき表示装置であって、
前記増幅器の出力側に接続されており、前記表示パネルの外側から前記表示パネルの非表示領域に引き回され、第2の接続端子に接続された第1接続線と、
第3の接続端子に接続されるべき第2接続線と
を備え、
前記予備配線は第3の接続端子に接続されていること
を特徴とする表示装置。 - 前記表示パネルの外側に引き回されている第2予備配線を備え、
該第2予備配線は第4の接続端子に接続してあり、
前記第2接続線は第3の接続端子及び第4の接続端子に接続されるべき線であること
を特徴とする請求項6に記載の表示装置。 - 請求項7に記載の表示装置の製造方法であって、
前記複数の信号線夫々の切断の有無を検査する工程と、
該工程にて前記信号線の切断が検出された場合に、前記第2接続線と、前記第2の接続端子及び第3の接続端子、又は第2の接続端子及び第4の接続端子とを接続させる工程と
を備えることを特徴とする表示装置の製造方法。
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JP2016565731A JP6328794B2 (ja) | 2014-12-24 | 2014-12-24 | 表示装置及び表示装置の製造方法 |
PCT/JP2014/084172 WO2016103370A1 (ja) | 2014-12-24 | 2014-12-24 | 表示装置及び表示装置の製造方法 |
CN201480084252.5A CN107111971B (zh) | 2014-12-24 | 2014-12-24 | 显示装置和显示装置的制造方法 |
US15/533,926 US10372001B2 (en) | 2014-12-24 | 2014-12-24 | Display apparatus and method of manufacturing display apparatus |
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PCT/JP2014/084172 WO2016103370A1 (ja) | 2014-12-24 | 2014-12-24 | 表示装置及び表示装置の製造方法 |
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US (1) | US10372001B2 (ja) |
JP (1) | JP6328794B2 (ja) |
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WO2018196116A1 (zh) * | 2017-04-26 | 2018-11-01 | 深圳市华星光电技术有限公司 | 显示面板及液晶显示器 |
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US10423018B2 (en) | 2017-04-26 | 2019-09-24 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Display panel with amplifying circuit configured to amplify scanning signal and liquid crystal display |
CN107765483B (zh) * | 2017-10-26 | 2021-02-09 | 惠科股份有限公司 | 显示面板及其应用的显示装置 |
CN107608103B (zh) * | 2017-10-26 | 2020-07-10 | 惠科股份有限公司 | 显示面板及其应用的显示装置 |
WO2019146011A1 (ja) * | 2018-01-24 | 2019-08-01 | 堺ディスプレイプロダクト株式会社 | 配線基板の電気接続構造および表示装置 |
KR20200087370A (ko) * | 2019-01-10 | 2020-07-21 | 삼성디스플레이 주식회사 | 디스플레이 장치 |
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- 2014-12-24 CN CN201480084252.5A patent/CN107111971B/zh not_active Expired - Fee Related
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WO2013011855A1 (ja) * | 2011-07-15 | 2013-01-24 | シャープ株式会社 | アクティブマトリクス型表示装置 |
WO2014109221A1 (ja) * | 2013-01-10 | 2014-07-17 | シャープ株式会社 | アクティブマトリクス基板、表示装置、表示装置の欠陥修正方法および表示装置の製造方法 |
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WO2018196116A1 (zh) * | 2017-04-26 | 2018-11-01 | 深圳市华星光电技术有限公司 | 显示面板及液晶显示器 |
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CN107111971B (zh) | 2020-01-17 |
US10372001B2 (en) | 2019-08-06 |
JP6328794B2 (ja) | 2018-05-23 |
JPWO2016103370A1 (ja) | 2017-11-02 |
US20170329191A1 (en) | 2017-11-16 |
CN107111971A (zh) | 2017-08-29 |
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