WO1998043227A1 - Carte de connexion et dispositif d'affichage et materiel electronique l'utilisant - Google Patents

Carte de connexion et dispositif d'affichage et materiel electronique l'utilisant Download PDF

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Publication number
WO1998043227A1
WO1998043227A1 PCT/JP1998/000175 JP9800175W WO9843227A1 WO 1998043227 A1 WO1998043227 A1 WO 1998043227A1 JP 9800175 W JP9800175 W JP 9800175W WO 9843227 A1 WO9843227 A1 WO 9843227A1
Authority
WO
WIPO (PCT)
Prior art keywords
wiring board
circuit board
panel
curved
terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP1998/000175
Other languages
English (en)
Japanese (ja)
Inventor
Yoshihisa Hirano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of WO1998043227A1 publication Critical patent/WO1998043227A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0277—Bendability or stretchability details
    • H05K1/028—Bending or folding regions of flexible printed 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
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13452—Conductors connecting driver circuitry and terminals of panels
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09009—Substrate related
    • H05K2201/09063—Holes or slots in insulating substrate not used for electrical connections
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10128—Display
    • H05K2201/10136—Liquid Crystal display [LCD]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/36—Assembling printed circuits with other printed circuits
    • H05K3/361—Assembling flexible printed circuits with other printed circuits

Definitions

  • the present invention relates to a wiring board and a display device and an electronic device using the same, particularly to a wiring substrate used for a curved display panel and a display device and an electronic device using the same. You.
  • liquid crystal display devices are widely used as display units for displaying visible information. Yes.
  • Such a liquid crystal display device includes a liquid crystal display panel and a drive circuit, and, if necessary, includes ancillary equipment such as a knock light and a casing. It must not have been installed. Then, a liquid crystal display panel 5 'serving as a display surface is incorporated in the electronic device almost in parallel with the outer surface of the housing of the electronic device, and a display portion is formed.
  • the above-described structure requires a convex lens at the upper part of the liquid crystal display panel, and thus has a problem of increasing the weight.
  • the present invention has been made in view of the above problems, and has as its object to provide a flexible wiring board that connects a curved display panel and a circuit board.
  • Panel-side connection part which is a connection part with a terminal provided along the width direction of the curved edge of the curved display panel, and a connection part with a terminal provided on the circuit board
  • a reliable connection board that does not cause distortion, stress, or unevenness in the circuit board side connection, and a display device and display device using the same. And providing electronic equipment.
  • a wiring board according to the present invention includes a terminal provided in a width direction near a curved edge of a curved display panel, and an edge of a circuit board arranged near the curved display panel.
  • a curved surface display is provided. Terminals are provided across the width of the curved edge of the cell, and are provided across the width of the edge of the circuit board located near the curved display panel.
  • the wiring board that connects the terminals and has a buffer region that is easily distorted. Therefore, when connecting a curved terminal of a curved display panel to a generally flat terminal of a circuit board, the distortion generated in the wiring board causes the buffer region to be distorted. It is absorbed. As a result, such distortion almost reaches the connection part on the panel side and the connection part on the circuit board side of the wiring board, and the ends are not evenly formed.
  • the wiring board can be easily and reliably connected to the curved display liquid crystal panel and the circuit board, and a large stress is applied to each connection portion of the wiring board. None. As a result, a highly reliable connection between the curved surface display panel and the circuit board can be made.
  • the wiring board that is connected to the curved terminal of the curved display liquid crystal panel and has a cross-sectionally shaped arc is used. It is necessary to bend, but at this time, since the distortion of the wiring board occurs mostly in the buffer area that is more susceptible to distortion than the other areas, it will affect the other parts of the wiring board much more The bending of the wiring board can be easily performed without any problem. In addition, the distortion generated by bending the wiring board is almost completely absorbed in the buffer region, and reaches almost the panel connection portion and the connection portion on the circuit board side. Therefore, the wiring board can be easily and reliably connected to the circuit board, and no large stress is applied to each connection portion of the wiring board. As a result, it is possible to make a highly reliable connection between the curved display panel and the circuit board.
  • the wiring board according to the present invention includes a terminal provided in a width direction near a curved edge of the curved display panel, and a terminal in the vicinity of the curved display panel.
  • a feature is that a portion narrower than the width of the panel-side connection portion is provided between the panel-side connection portion and the circuit board-side connection portion connected to the terminal of the circuit board.
  • a terminal provided across the width direction of a curved edge portion of a curved display panel, and an edge portion of a circuit board arranged near the curved display panel The wiring board that connects to the terminals provided in the width direction of the wiring has a narrower portion than the metal connection.
  • the connection between the curved terminal of the curved display panel and the generally flat terminal of the circuit board causes distortion of the wiring board. This distortion is absorbed by this narrow part.c Therefore, such distortion may extend to the panel-side connection and circuit-board-side connection of the wiring board, or the edges may be uneven.
  • the wiring board can be connected to the curved LCD panel and the circuit board easily and securely, and the panel can be easily and reliably connected. No large stress remains on the side connection part or the circuit board side connection part. As a result, a highly reliable connection between the curved display panel and the circuit board can be made.
  • the wiring board that is connected to the curved terminal of the curved display liquid crystal panel and whose cross section has an arc shape is bent.
  • the strain force generated on the wiring board is 5 ', and the part narrower than the width of the connection part on the panel side is easily bent due to the narrow width, so it is absorbed by the narrow part As a result, the wiring board can be easily bent.
  • the distortion caused by bending the wiring board is absorbed by the narrow portion and hardly reaches the connection portion on the circuit board side.
  • the wiring board can be easily and securely connected to the terminals of the curved display panel and the terminals of the circuit board, and it is impossible to connect the terminals on the panel side or the circuit board side. Very little stress remains.
  • the wiring board of the present invention may be configured such that the panel-side connection portion and the circuit board-side connection portion are connected to each other. A portion narrower than the width of the connection portion on the circuit board side between the connection portion and the connection portion. -According to the present invention, the wiring board has a portion that is narrower than the panel-side connection portion and narrower than the circuit board connection portion. Therefore, by connecting to the curved terminal of the curved display panel and the generally flat terminal of the circuit board, the distortion that occurs in the wiring board is caused by this width. Absorbed by the area including the narrow part. In other words, the narrow portion acts as a buffer region.
  • the wiring board according to the second aspect of the present invention since the narrow portion is narrower than both the panel-side connection portion and the wiring-board-side connection portion, the wiring board according to the second aspect of the present invention.
  • the distortion generated in the wiring board concentrates on the narrow portion. Therefore, such distortion may extend to the connection portion on the panel side and the connection portion on the circuit board side of the wiring board. The possibility of remaining stress on the connection part on the side of the cell or on the circuit board is further reduced.
  • the bending of the flexible wiring board required when placing the circuit board on the back of the curved display panel is a bending force due to its narrow width? This occurs in and around the narrow part, which can easily bend the wiring board.
  • the connection portion of the flexible wiring board on the panel side and the connection portion on the circuit board side are surely formed.
  • the wiring board of the present invention includes a terminal provided in a width direction near a curved edge of the curved display panel, and an edge of a circuit board arranged near the curved display panel.
  • a flexible wiring board for connecting a terminal provided in the width direction in the vicinity of the portion in a bent state to a terminal connected to the terminal of the curved display panel A plurality of slits are arranged in the width direction between the connection portion and the circuit board side connection portion connected to the terminal of the circuit board.
  • a flexible wiring board for connecting to terminals provided in the width direction has a plurality of slits arranged in the width direction. Therefore, connecting the curved terminal of the curved display panel to the generally flat terminal of the circuit board causes multiple distortions in the wiring board. It is absorbed by the portion where the slit is provided. That is, a portion provided with a slit which is easily deformed due to having a slit which is a space can absorb such a distortion.
  • a wiring board according to the present invention is characterized in that the plurality of slits are provided in a plurality of rows.
  • the wiring board has a plurality of slits in a plurality of rows. I Therefore, the distortion that occurs on the wiring board between the connection part on the curved surface display panel side of the wiring board, whose cross section has an arc shape, and the circuit board connection part, whose cross section has a linear shape, is further increased. It can be easily absorbed.
  • the distortion that occurs when bending a wiring board whose cross section has an arc shape is more easily achieved. It can be absorbed and bend easily.
  • the distortion caused by the bending is more reliably prevented from reaching the connection portion on the panel side or the connection portion on the circuit board side, so that the wiring board, the curved display panel, and the circuit board can be connected to each other. This facilitates connection, and also reliably prevents unreasonable stress from remaining on the panel-side connection part and the circuit board-side connection part.
  • the wiring board according to the present invention is characterized in that the curved surface display panel is a curved surface liquid crystal panel.
  • a wiring board capable of exhibiting the above-mentioned effects in connection between a curved display liquid crystal panel and a circuit board.
  • a liquid crystal display device is characterized in that the liquid crystal display device is formed by connecting the curved display liquid crystal panel and the circuit board.
  • ADVANTAGE OF THE INVENTION According to this invention, a wiring board and a curved surface display liquid crystal panel and a circuit board are ensured, and almost no stress is left in the panel side connection part and the circuit board side connection part of a wiring board. Connection. Therefore, the reliability of the liquid crystal display device can be improved.
  • an electronic apparatus includes the above-described liquid crystal display device, and a power supply circuit for supplying power to the liquid crystal display device.
  • the electronic device since the electronic device uses a highly reliable liquid crystal display device, a highly reliable electronic device can be obtained.
  • FIG. 1 is a perspective view showing a state in which a liquid crystal display device is formed by connecting a curved display liquid crystal panel and a circuit board using the wiring board of the embodiment.
  • FIG. 2 shows the circuit board curved surface display by bending the wiring board of Fig. 1.
  • FIG. 3 is a perspective view showing the liquid crystal display device in a state where the liquid crystal display device is located on the back surface of the panel.
  • FIG. 3 is a schematic exploded perspective view of a mobile phone incorporating the liquid crystal display device of the embodiment.
  • FIG. 4 is a schematic cross-sectional view of a mobile phone incorporating the liquid crystal display device of the embodiment.
  • FIG. 5 is a plan view showing another embodiment of the wiring board.
  • FIG. 6 is a plan view showing another embodiment of the wiring board.
  • FIG. 7 is a plan view showing another embodiment of the wiring board.
  • FIG. 1 shows a liquid crystal display device 150 formed by connecting a curved display liquid crystal panel 30 and a flat circuit board 50 using the flexible wiring substrate 10 of the present embodiment.
  • FIG. 4 is a perspective view showing a state in which it is performed.
  • the curved display liquid crystal panel 30 of the present embodiment is curved by drawing an arc so that its longitudinal direction, that is, the center in the width direction, is convex. are doing.
  • the liquid crystal display device 150 of the present embodiment is equipped with a drive circuit for driving the curved display liquid crystal panel 30 as shown in the arrows of FIG. 1 and FIG.
  • FIG. 3 is an exploded perspective view schematically showing a mobile phone 130 incorporating the liquid crystal display device 150
  • FIG. 4 is a perspective view showing the liquid crystal display device 150 of the mobile phone 130. It is a schematic cross-sectional view through 0. Note that the mobile phone 130 naturally has a power supply circuit (not shown) for supplying power to each circuit on the main circuit board 134.
  • the wiring board 10 includes a terminal 32 provided in the width direction near the curved edge of the curved display liquid crystal panel 30, and a curved display liquid crystal 30. It is connected to a terminal 52 provided in the width direction near the edge of the circuit board 50 disposed on the back of the panel 30.
  • Wiring board 10 and each end The connection with the elements 32 and 52 is made by thermal fusion via a bonding agent that becomes an anisotropic conductive film.
  • the wiring board 10 is formed in a band shape, and the wiring pattern 15 is formed by integrally covering the wiring pattern 15 with a polymer film, for example, a polystyrene film. Yes.
  • wiring is provided only on the left side of the wiring board 10. It is obvious that the turn 15 is described, but the wiring turn 15 is formed over the entire wiring board 10 as a matter of course.
  • the width of the wiring board 10 increases as the distance from the panel-side end connection section 12 connected to the terminal 32 of the panel 30 increases.
  • the width decreases, and the width becomes constant around the middle between the panel-side connection portion 12 and the circuit-board-side connection portion 14, and continues to the circuit-board-side connection portion 14. Therefore, the wiring board 10 of the present embodiment has a curved display liquid crystal panel, a panel-side connection section 12 connected to the terminal 32 of the panel 30, and a terminal 52 of the circuit board 50. There is a portion narrower than the width of the panel side connection portion 12 between the circuit board side connection portion 14 to be connected.
  • the wiring board 10 has its panel-side connection portion 12 connected to and traversed by the terminal 32 provided over the curved edge of the curved display liquid crystal panel 30.
  • the surface has an arcuate shape, and its circuit board side connection part 14 is connected to the terminal 52 provided on the edge of the flat plate-shaped circuit board 50 and has a linear cross section. Therefore, the wiring board 10 is distorted. This distortion almost occurs in a narrow portion where the width is small and the portion is easily bent. Accordingly, the terminal 32 provided over the curved edge of the curved display liquid crystal panel 30 and the panel 30 and the flat edge of the flat circuit board 50 are provided. By connecting to the terminal 52, the distortion generated in the wiring board 10 is absorbed in a portion narrower than the width of the panel-side connection portion 12.
  • this part is easily used as a buffer area. Therefore, such distortion hardly extends to the panel-side connection portion 12 and the circuit-board-side connection portion 14 of the wiring board 10, and the wiring board 1 can be easily and securely connected.
  • 0 for curved display LCD It can be connected to the cell 30 and the circuit board 50.
  • a portion narrower than the width of the panel-side connection portion 12 is easily distorted, so that the panel-side connection portion 12 of the wiring board 10 and the circuit-board-side connection portion 14 It can also prevent the remaining stress in the steel.
  • the wiring board 10 enables a highly reliable connection between the curved display liquid crystal panel 10 and the circuit board 50. ⁇
  • the liquid crystal display device 150 formed by connecting the curved display liquid crystal panel 30 and the circuit substrate 50 by the wiring substrate 10 also has the same structure as the wiring substrate 10.
  • the connection with the curved display liquid crystal panel and the circuit board has high reliability.
  • a drive circuit for driving the curved surface display liquid crystal panel 30 is mounted on the circuit board 50.
  • the circuit board 50 of the present embodiment is arranged on the back of the curved display liquid crystal panel 30 and incorporated in the mobile phone 130.
  • the wiring board 10 connecting the curved display liquid crystal panel 30 and the circuit board 50 is bent, and the circuit board 50 is disposed on the back of the curved display liquid crystal panel 30. . Therefore, the wiring board 10 having a cross-sectionally curved shape connected to the curved terminal 32 of the curved display liquid crystal panel 30 is bent.
  • uneven distortion occurs in the wiring board 10. This distortion is no.
  • a portion narrower than the width of the connection portion 12 on the side of the cell is apt to bend due to the narrow width, so it occurs almost anywhere, and the wiring board 10 is easily bent. Is possible.
  • the distortion force 5 ′ generated by bending the wiring board 10 is absorbed by the narrow portion and reaches the connection portion 14 on the circuit board side. Since there are few components, it is possible to easily and reliably connect the wiring board 10 to the terminal 32 of the curved display liquid crystal panel 30 or the terminal 52 of the circuit board 50. Further, no excessive stress is left on the connection portion 12 on the cell side or the connection portion 14 on the circuit board side. It should be noted that the narrower the width, the more effective the narrower it is.However, if it is too narrow, it is difficult to form the wiring pattern 15, so it is adjacent. Wiring notch 15 width 15 m or more It is necessary to leave enough width to be taken.
  • FIG. 5, FIG. 6, and FIG. 7 are plan views each showing another embodiment of the wiring board 10.
  • the wiring board 60 shown in FIG. 5 is similar to the wiring board 10 shown in FIG.
  • the connection 12 on the side of the cell is connected to the terminal 3'2 of the LCD panel 30 on the curved surface, and the connection 14 on the side of the circuit board is connected to the terminal 52 of the circuit board 50 ( this wiring
  • the board 60 has a narrow portion, that is, a narrow portion 62 in the middle between the panel-side connection portion 12 and the circuit board-side connection portion 14.
  • the constricted portion 62 is narrower than the width of the panel-side connection portion 12 and the circuit board-side connection portion 14.
  • the constricted portion 62 is described above with reference to FIG. Like the narrow portion of the wiring board 10, it functions as a buffer region, and has the above-described effects.
  • the narrowed portion 62 is narrower than both the connection portion 12 and the connection portion 14 on the wiring board, so that the wiring is narrow.
  • the distortion generated in the substrate 60 is concentrated on the constricted portion 62 (accordingly, such a distortion is caused by the connection side of the wiring substrate 60 on the cell side). 1 2 and the connection portion 14 on the circuit board side, and the possibility of stress remaining on the connection portion 12 on the panel side and the connection portion 14 on the circuit board side can be reduced.
  • the bending of the flexible wiring board 60 required when the circuit board 50 is arranged on the back of the curved display liquid crystal panel 30 is narrow due to its narrow width. This occurs at and near the constricted portion 62, which makes it easy to bend the wiring board 60.
  • the wiring board 70 shown as a plan view in FIG. 6 is similar to the wiring board 10 shown in FIG. 1 in that the panel-side connection part 12 is a terminal of the curved display liquid crystal panel '30. And the circuit board side connection section 14 is connected to the terminal 52 of the circuit board 50.
  • This wiring board 70 includes a plurality of slits arranged in the width direction in the middle between the connection section 12 on the side of the nose and the connection section 14 on the circuit board side. 72 are provided.
  • the area provided with the plurality of slits 72 (hereinafter, referred to as the slit area 74) is provided with the slit 72 which is a space. This makes it easier to deform, so it is possible to absorb such distortion.
  • the slit region 74 acts as a buffer region similarly to the narrow portion of the wiring board 10 described above with reference to FIG. 1 and has the above-described effects. .
  • the deformed portion is dispersed over the entire width of the wiring board 70, and the length of the slit 72 is in the longitudinal direction.
  • the distortion is not concentrated on the slit area 74, that is, a part of the buffer area, and is generated as a whole. Therefore, even when a large strain is applied to the wiring board 70, the slit region 74 can easily absorb the strain.
  • the wiring board 80 shown as a plan view in FIG. 7 also has a curved display liquid crystal panel 30 in which the connecting portions 12 are similar to the wiring board 10 shown in FIG. And the circuit board side connection section 14 is connected to the terminal 52 of the circuit board 50.
  • the wiring board 80 has a width in the middle between the panel-side connection section 12 and the circuit-board-side connection section 14. It has a region in which a plurality of slits 72 arranged in the direction are provided, that is, a slit region 74.
  • This wiring board 80 is characterized in that a plurality of slits 72 extending in the width direction thereof are provided as a slit region 74 provided with 22 rows, that is, a buffer region. 6 Differs from the wiring board 70 shown in FIG.
  • the wiring board 80 Since the wiring board 80 has the two rows of the slit regions 74 as described above, the wiring board 80 has a much larger length than the wiring board 70 described above. It can be easily deformed over the range in the direction, and the strain generated in the wiring board 80 can be more easily absorbed. What power? Therefore, the effect of the wiring board 70 shown in FIG. 6 described above can be more reliably achieved.
  • the width of the adjacent wiring, 'turn 15' has a width of 15 m or more. It is necessary to ensure that a certain amount of top width remains between adjacent slits.
  • a force ⁇ showing an example in which a wiring board is used to connect a curved surface display liquid crystal panel to a circuit board is used. It goes without saying that it can also be used for connection between a plasma panel and a circuit board.
  • a force ′ showing an example of bending the wiring board, and the circuit board and the curved display liquid crystal panel are arranged. You can place them so that the wiring board does not bend.
  • the side portions of the wiring board are straight. Force indicating the case where the width of the wiring board is changed by drawing the shape combining the lines
  • the side of the wiring board may draw an arbitrary curve ( In the example of the wiring board having a plurality of slits shown in FIGS. 6 and 7, three or three slits are arranged in one row in the width direction of the wiring board. Forces showing the example of four formations
  • the number of slits formed in one line can be any number as needed.
  • one or two rows are provided as rows in which a plurality of slits are arranged in the width direction of the wiring board.
  • the force is shown when the shape of each slit is rectangular, and the shape of each slit is Oval, that Ki out and the child be any shape such as a triangle.
  • the Yo will Do electronic devices of this, watch, page turbocharger, an electronic organizer, a calculator, POS terminals , IC card, CD player, etc.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Structure Of Printed Boards (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

L'invention concerne une carte de connexion flexible (10) connectant une borne (32) située dans le sens de la largeur près d'une partie de bord incurvé d'un écran (30) à cristaux liquides à surface incurvée et une borne (52) située dans le sens de la largeur près d'une partie de bord d'une carte (50) à circuit disposée près de l'écran (30) à cristaux liquides à surface incurvée. La carte de connexion (10) comprend une partie tampon destinée à absorber les distorsions entre une partie de connexion (12) située du côté écran, connectée à la borne (32) de l'écran (30) à cristaux liquides à surface incurvée, et une partie de connexion (14) située du côté carte à circuit, connectée à la borne (52) de la carte (50) à circuit. Ainsi, on peut obtenir une carte de connexion flexible hautement fiable permettant de connecter l'écran d'affichage à surface incurvée et la carte à circuit, laquelle empêche les distorsions d'agir sur les parties de connexions et empêche que les contraintes ne demeurent.
PCT/JP1998/000175 1997-03-24 1998-01-19 Carte de connexion et dispositif d'affichage et materiel electronique l'utilisant Ceased WO1998043227A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7025297 1997-03-24
JP9/70252 1997-03-24

Publications (1)

Publication Number Publication Date
WO1998043227A1 true WO1998043227A1 (fr) 1998-10-01

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1564580A1 (fr) * 2004-02-16 2005-08-17 Seiko Epson Corporation Projecteur optique
JP2011237661A (ja) * 2010-05-12 2011-11-24 Dainippon Printing Co Ltd デバイス装置及びディスプレイ装置
JP2013134295A (ja) * 2011-12-26 2013-07-08 Panasonic Corp 曲面ディスプレイ
CN105242427A (zh) * 2015-10-27 2016-01-13 南京中电熊猫液晶显示科技有限公司 Cof柔性电路板
JP2019057673A (ja) * 2017-09-22 2019-04-11 三菱電機株式会社 フレキシブルプリント基板および表示装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6370585U (fr) * 1986-10-27 1988-05-12
JPH0164626U (fr) * 1987-10-20 1989-04-25
JPH04291239A (ja) * 1991-03-19 1992-10-15 Sanyo Electric Co Ltd 液晶表示装置
JPH07114347A (ja) * 1993-10-14 1995-05-02 Alps Electric Co Ltd ディスプレイ装置およびその製造方法
JPH0883960A (ja) * 1994-09-14 1996-03-26 Sanyo Electric Co Ltd 可撓性基板

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6370585U (fr) * 1986-10-27 1988-05-12
JPH0164626U (fr) * 1987-10-20 1989-04-25
JPH04291239A (ja) * 1991-03-19 1992-10-15 Sanyo Electric Co Ltd 液晶表示装置
JPH07114347A (ja) * 1993-10-14 1995-05-02 Alps Electric Co Ltd ディスプレイ装置およびその製造方法
JPH0883960A (ja) * 1994-09-14 1996-03-26 Sanyo Electric Co Ltd 可撓性基板

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1564580A1 (fr) * 2004-02-16 2005-08-17 Seiko Epson Corporation Projecteur optique
US7213925B2 (en) 2004-02-16 2007-05-08 Seiko Epson Corporation Optical modulator, optical device and projector
JP2011237661A (ja) * 2010-05-12 2011-11-24 Dainippon Printing Co Ltd デバイス装置及びディスプレイ装置
JP2013134295A (ja) * 2011-12-26 2013-07-08 Panasonic Corp 曲面ディスプレイ
CN105242427A (zh) * 2015-10-27 2016-01-13 南京中电熊猫液晶显示科技有限公司 Cof柔性电路板
JP2019057673A (ja) * 2017-09-22 2019-04-11 三菱電機株式会社 フレキシブルプリント基板および表示装置
JP2021192433A (ja) * 2017-09-22 2021-12-16 三菱電機株式会社 表示装置

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