WO2003034376A1 - Dispositif d'affichage auto-lumineux - Google Patents

Dispositif d'affichage auto-lumineux Download PDF

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Publication number
WO2003034376A1
WO2003034376A1 PCT/JP2002/010769 JP0210769W WO03034376A1 WO 2003034376 A1 WO2003034376 A1 WO 2003034376A1 JP 0210769 W JP0210769 W JP 0210769W WO 03034376 A1 WO03034376 A1 WO 03034376A1
Authority
WO
WIPO (PCT)
Prior art keywords
self
luminous display
display device
display panel
flexible substrate
Prior art date
Application number
PCT/JP2002/010769
Other languages
English (en)
Japanese (ja)
Inventor
Masahiro Shioji
Original Assignee
Sanyo Electric Co., Ltd.
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 Sanyo Electric Co., Ltd. filed Critical Sanyo Electric Co., Ltd.
Publication of WO2003034376A1 publication Critical patent/WO2003034376A1/fr

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/53—Constructional details of electronic viewfinders, e.g. rotatable or detachable

Definitions

  • the present invention relates to a signal transmission joining with an electrode terminal row connected to a driver circuit.
  • the present invention relates to a self-luminous display device having a feature in the form of a flexible substrate for use.
  • a liquid crystal display device (6) using a liquid crystal display panel (61) shown in FIG. 5 has been frequently used as a thin display device used for image display in digital still cameras / video cameras and the like.
  • a self-luminous display device (2) instead of the liquid crystal display panel (61), a self-luminous display device (2) having a self-luminous display panel (4) using an organic electroluminescent element (EL element) as shown in FIG. are also used. Since the liquid crystal display panel (60 does not generate light, the liquid crystal display device (6) has a backlight (7) as a light source as shown in Fig. 5.
  • the self-luminous display device (2) has Since such a backlight is not required, it is harmful that the self-luminous display device (2) can be configured to be lighter and thinner than the liquid crystal display device (6).
  • the flexible substrate (5) prevents the self-luminous display device (2) from being thinned.
  • an electrode terminal row (8) connected to a driver circuit for driving the liquid crystal display panel (61) is arranged near the side edge of the liquid crystal display panel (61).
  • a flexible board (5) on which a plurality of lines for transmitting video signals, control signals, and the like to the liquid crystal display panel (61) is connected to the electrode terminal row (8).
  • the flexible board (5) is on the side of the liquid crystal display panel (61)
  • the back side of the backlight (7) is bent by approximately 180 degrees on the side so as to avoid the thickness of the backlight (7) from the joint (51) joined to the electrode terminal row (8).
  • the electrode terminal row (8) connected to the driver circuit is on the side of the self-luminous display plate (4). It is located near the edge. Therefore, as in the case of the liquid crystal display device (6), the flexible substrate (5) is curved on the side of the self-luminous display panel (4), and the flexible substrate (5) is connected to the self-luminous display panel (4) from the joint (51). It is pulled out to the back.
  • the maximum thickness of the self-luminous display device (2) is determined by the diameter L of the arc-shaped curved portion (50) of the flexible substrate (5).
  • the diameter L of the curved portion (50) is preferably small.
  • the diameter L of the curved portion (50) is too small, the stress applied to the printed wiring may increase, and the wiring may be disconnected. Therefore, there is a limit to reducing the diameter L of the curved portion (50). Under such restrictions, the advantage that the self-luminous display panel (4) is thin in the self-luminous display device (2) cannot be fully utilized. For example, if the liquid crystal display device (6) shown in FIG. 5 and the self-luminous display device (2) shown in FIG. 6 use a flexible substrate (5) having exactly the same configuration, the backlight (7) Regardless of the presence or absence of these, the thicknesses of these devices (2) and (6) are substantially the same.
  • the conventional self-luminous display device (2) is sufficiently thin and small.
  • the thickness and size of the device were almost the same as those of the liquid crystal display device (6).
  • the present invention provides a self-luminous display device that solves this problem. Disclosure of the invention
  • the terminal row is provided on the back side of the self-luminous display panel.
  • the flexible substrate extends substantially along the back surface of the self-luminous display panel directly and inward from a connection portion with the terminal row.
  • the flexible substrate is drawn out to the back side of the self-luminous display panel without forming a curved portion. Therefore, the flexible substrate can be brought close to the back surface of the self-luminous display panel in the vicinity of the terminal row without causing disconnection of the wiring. In addition, since there is no curved portion, the flexible substrate does not protrude to the side of the self-luminous display panel. As described above, according to the present invention, a thin and small self-luminous display device utilizing the advantages of the self-luminous display panel can be obtained. BRIEF DESCRIPTION OF THE FIGURES
  • FIG. 1 is a perspective view of a video camera provided with the self-luminous display device of the present invention.
  • FIG. 2 is a perspective view of an image display unit of the video camera shown in FIG.
  • FIG. 3 is a partial cross-sectional view of the self-luminous display device of the present invention.
  • FIG. 4 is a rear view of a self-luminous display device of the present invention and a peripheral portion thereof,
  • Fig. 5 is a side view of a conventional liquid crystal display
  • FIG. 6 is a side view of a conventional self-luminous display device. BEST MODE FOR CARRYING OUT THE INVENTION
  • FIG. 1 is a perspective view of a video camera provided with a self-luminous display device (2) of the present invention.
  • the image display unit (11) displays an image obtained from the imaging unit ( ⁇ ) during the imaging operation, a recorded image stored in a recording medium (not shown), and the like.
  • the image display section (11) is used in a state of being arranged substantially perpendicular to one side surface (14) of the main body section (1). Since the image display unit (11) is rotatably attached to the video camera body (1) via a hinge mechanism (13), the image display unit (11) is rotated about the vertical axis from the state shown in FIG.
  • the image display portion (11) By rotating (11), the image display portion (11) can be stored in the concave portion (15) formed on the side surface (14). Further, a cylindrical member (35) described later is accommodated in the protruding portion (34) formed on the image display section (11), and the cylindrical member (35) includes a hinge mechanism (13). It is supported rotatably. Therefore, the image display section (11) can rotate around the horizontal axis.
  • FIG. 2 is a perspective view of the image display unit (11) viewed from the rear of the main unit (1).
  • the image display section (11) includes a self-luminous display device (2) and a housing (3) for accommodating the display device.
  • a rectangular opening (32) is opened in the housing (3), and the image display surface of the self-luminous display panel (4) is exposed from the opening (32).
  • FIG. 3 is a partial cross-sectional view of the image display unit (11) taken along a plane including the line AA shown in FIG.
  • the self-luminous display device (2) includes a self-luminous display panel (4) using an EL element and a flexible substrate (5) connected thereto.
  • the self-luminous display panel (4) is configured based on a transparent substrate (41) located on the side of the opening (32).
  • a transparent substrate (41) located on the side of the opening (32).
  • a hole transport layer (43) is formed so as to cover the column electrode (42), and a light emitting layer (44) and an electron transport layer (45) are further laminated.
  • On the electron transport layer (45), a plurality of row electrodes (46) are formed in a lateral direction. Then, cover the electron transport layer (45) and the brazing electrode (46).
  • An insulating protective layer (47) is formed on the substrate.
  • the intersection of the row electrode (46) becomes a display pixel
  • the row electrode (46) is sequentially scanned, and a voltage signal corresponding to each pixel on the scanned row electrode (46) is applied from the column electrode (42).
  • the self-luminous display panel (4) displays an image.
  • the laminated structure composed of the column electrode (42) and the protective layer (47) is made of metal.
  • the cap (48) is joined to the back of the transparent substrate (41) by a seal (49).
  • the space inside the cap (48) is filled with nitrogen.
  • a terminal row (8) is provided near the lower side (41a) of the transparent substrate (41).
  • Each terminal constituting the terminal row (8) is connected to a driver circuit (91) for driving a column electrode (42) or a driver circuit (92) for driving a row electrode (46) via a wiring (90). (See Figure 4).
  • the end portion (51) of the flexible board (5) is joined to the terminal row (8).
  • each wiring (not shown) printed on the flexible substrate (5) is joined to one of the terminals constituting the terminal row (8).
  • the flexible substrate (5) is formed along the cap (48), that is, along the back surface of the self-luminous display panel (4), directly and inwardly from the joint (51) without forming a curved portion ( That is, the self-luminous display panel (4) directly from the joint (51) 9
  • the flexible substrate (5) connected to the self-luminous display panel (4) as in the conventional device is indicated by a dashed line.
  • the curved portion (50) of the flexible substrate (5) does not exist, and the flexible substrate (5) extends directly from the joint (51) toward the cap (48).
  • the thickness of the self-luminous display device (2) to which the present invention is applied is reduced.
  • the thickness of the housing (3) of the image display section (11) is also reduced.
  • the curved portion (50) does not protrude below the self-luminous display device (2), the vertical length of the self-luminous display device (2) and the vertical length of the housing (3) are further reduced. The length is getting shorter.
  • a thin and small self-luminous display device (2) utilizing the advantages of the self-luminous display panel (4) can be obtained.
  • FIG. 4 is a rear view of the self-luminous display device (2) as viewed from the front of the main body (1). This figure also shows the periphery of the self-luminous display device (2). For the sake of explanation, in the figure, the right portion of the cap (48) of the self-luminous display panel (4) is omitted.
  • the flexible substrate (5) has a substantially L-shape. After extending upward from the joint (51) with the terminal row (8), the flexible substrate (5) faces the body (1) of the video camera. bent.
  • the flexible board (5) is connected to the auxiliary flexible board (36) via the relay connector (55).
  • the auxiliary flexible substrate (36) is fixed to the housing (3) of the image display unit U1), and is inserted into a cylindrical member (35) rotatably supported by the hinge mechanism (13).
  • the auxiliary flexible board (36) is connected to a control circuit board (not shown) of the self-luminous display device (2) arranged in the main body (1).
  • this control circuit board may be arranged in the housing (3).
  • a configuration may be adopted in which the control circuit board and the terminal row (8) are connected using the first flexible board, and the control circuit board and the relay connector section (55) are connected using the second flexible board. . Even in this case, The benefits of Ming are still available.
  • the self-luminous display panel (4) is not limited to the type using the EL element.
  • the spontaneous optical display device (2) of the present invention is not limited to the image display unit (11) of the video camera as in the above-described embodiment, but also includes a display connected to a convenience store and information display of various electric devices. It may be used for parts, etc., and its use is not particularly limited. Industrial applicability
  • the self-luminous display device of the present invention is formed thin and small by taking advantage of the self-luminous display plate because no curved portion is formed on the flexible substrate connected to the device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electroluminescent Light Sources (AREA)
  • Studio Devices (AREA)
  • Transforming Electric Information Into Light Information (AREA)

Abstract

Ce dispositif d'affichage auto-lumineux comprend un substrat souple raccordé à un ensemble de bornes placé près du bord latéral d'un panneau d'affichage auto-lumineux. Cet ensemble de bornes se trouve sur la face arrière du panneau d'affichage auto-lumineux et le substrat souple s'étend vers l'intérieur, partant directement de la jonction avec ledit ensemble, sensiblement le long de la face arrière du panneau d'affichage auto-lumineux. Cet agencement permet d'obtenir un afficheur auto-lumineux, mince et de petite taille, réalisant le meilleur usage dudit panneau d'affichage auto-lumineux.
PCT/JP2002/010769 2001-10-17 2002-10-16 Dispositif d'affichage auto-lumineux WO2003034376A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001-319025 2001-10-17
JP2001319025A JP2003122264A (ja) 2001-10-17 2001-10-17 自発光型表示装置

Publications (1)

Publication Number Publication Date
WO2003034376A1 true WO2003034376A1 (fr) 2003-04-24

Family

ID=19136636

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/010769 WO2003034376A1 (fr) 2001-10-17 2002-10-16 Dispositif d'affichage auto-lumineux

Country Status (2)

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JP (1) JP2003122264A (fr)
WO (1) WO2003034376A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09306665A (ja) * 1996-05-20 1997-11-28 Matsushita Electric Ind Co Ltd 有機薄膜エレクトロルミネッセンス素子及びその製造方法
JPH11126039A (ja) * 1997-10-23 1999-05-11 Seiko Instruments Inc 表示装置
JP2000005426A (ja) * 1998-06-25 2000-01-11 Nissho:Kk 遊技用コインの研摩装置
JP2001264787A (ja) * 2000-03-21 2001-09-26 Sanyo Electric Co Ltd 表示装置の配線

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001008128A1 (fr) * 1999-07-22 2001-02-01 Seiko Epson Corporation Dispositif electro-optique, son procede de fabrication et dispositif electronique

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09306665A (ja) * 1996-05-20 1997-11-28 Matsushita Electric Ind Co Ltd 有機薄膜エレクトロルミネッセンス素子及びその製造方法
JPH11126039A (ja) * 1997-10-23 1999-05-11 Seiko Instruments Inc 表示装置
JP2000005426A (ja) * 1998-06-25 2000-01-11 Nissho:Kk 遊技用コインの研摩装置
JP2001264787A (ja) * 2000-03-21 2001-09-26 Sanyo Electric Co Ltd 表示装置の配線

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