WO2006006365A1 - 表示装置 - Google Patents
表示装置 Download PDFInfo
- Publication number
- WO2006006365A1 WO2006006365A1 PCT/JP2005/011530 JP2005011530W WO2006006365A1 WO 2006006365 A1 WO2006006365 A1 WO 2006006365A1 JP 2005011530 W JP2005011530 W JP 2005011530W WO 2006006365 A1 WO2006006365 A1 WO 2006006365A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- substrate
- wiring
- region
- driving circuit
- signal line
- Prior art date
Links
- 239000000758 substrate Substances 0.000 claims abstract description 79
- 230000002093 peripheral effect Effects 0.000 claims abstract description 20
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 239000011159 matrix material Substances 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 19
- 238000000034 method Methods 0.000 description 6
- 238000010894 electron beam technology Methods 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000002772 conduction electron Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
- H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
- H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
- H01J31/123—Flat display tubes
- H01J31/125—Flat display tubes provided with control means permitting the electron beam to reach selected parts of the screen, e.g. digital selection
- H01J31/127—Flat display tubes provided with control means permitting the electron beam to reach selected parts of the screen, e.g. digital selection using large area or array sources, i.e. essentially a source for each pixel group
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/92—Means forming part of the tube for the purpose of providing electrical connection to it
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2329/00—Electron emission display panels, e.g. field emission display panels
- H01J2329/92—Means forming part of the display panel for the purpose of providing electrical connection to it
Definitions
- the present invention relates to a display device including a drive circuit.
- Thin-type display devices include field emission type electron-emitting device force.
- Field emission display (hereinafter referred to as FED) that emits phosphors by emitted electron beams and electron beams from surface conduction electron-emitting devices.
- a surface conduction electron emission display (hereinafter referred to as SED) that emits light is known.
- the SED has a front substrate and a rear substrate that are opposed to each other with a predetermined gap therebetween, and these substrates are bonded to each other at peripheral portions via a rectangular frame side wall. Constitutes a vacuum envelope. The inside of the vacuum envelope is maintained at a high vacuum of about 10 _4 Pa or less . Further, in order to support an atmospheric pressure load applied to the rear substrate and the front substrate, a plurality of support members are disposed between these substrates.
- a phosphor screen including a plurality of phosphor layers of red, green, and blue is formed on the inner surface of the front substrate, and electrons that excite these phosphor layers to emit light are formed on the inner surface of the rear substrate.
- a number of electron-emitting devices that emit are provided.
- the electron-emitting devices and the phosphor layers are provided in a one-to-one correspondence to form a pixel.
- a large number of scanning lines and a large number of signal lines are formed in a matrix on the inner surface of the rear substrate, and are connected to each electron-emitting device.
- a scanning line driving circuit and a signal line driving circuit are connected to the ends of the scanning line and the signal line, respectively.
- each scanning line driving circuit is connected to both ends of the scanning line.
- the signal line drive circuit is connected to one end of the signal line.
- a driving voltage is supplied to the signal lines.
- An anode voltage is applied to the phosphor screen, and the electron beam emitted from the electron-emitting device is accelerated by the anode voltage and collides with the phosphor screen, whereby the phosphor layer emits light and an image is displayed.
- the gap between the front and back substrates can be set to a few millimeters or less, and is lighter than cathode ray tubes (CRTs) that are used as displays for modern televisions and computers. Can be made thinner and thinner.
- the scanning line driving circuit and the signal line driving circuit are generally provided so as to overlap the outer surface of the rear substrate, or provided outside the peripheral edge of the rear substrate. There is a problem with this point.
- the driving circuit force is extended to the wiring formed on the rear substrate.
- a flexible substrate including TCP (Tape Carrier Package) is used for this routing wiring, so the wiring length becomes longer, and the outer surface (back surface), one end surface (side surface) of the rear substrate — route the wiring to the surface.
- TCP Transmission Carrier Package
- the thickness of the module formed by assembling the front substrate and the rear substrate is increased.
- the frame area of the SED becomes wide.
- the present invention has been made in view of the above points, and an object of the present invention is to provide a display device that can be reduced in size and thickness and has high product reliability.
- a display device includes:
- a second substrate disposed opposite to the wiring forming surface with a gap and having a peripheral edge bonded to the first substrate;
- a plurality of display elements provided between the first substrate and the second substrate;
- FIG. 1 is a plan view showing an SED according to an embodiment of the present invention.
- FIG. 2 is a cross-sectional view of the SED taken along line II II in FIG.
- FIG. 3 is a sectional view of the SED taken along line III III in FIG.
- FIG. 4 is a plan view of a back substrate showing signal lines in a non-facing region shown in FIG. 3.
- FIG. 5 is a cross-sectional view showing a modification of the SED shown in FIG.
- the SED includes a front substrate 11 as a first substrate having a rectangular glass plate strength as an insulating substrate, and a rear substrate 12 as a second substrate having a size larger than that of the front substrate.
- the back substrate 12 has a facing region R1 facing the front substrate 11, and a frame-shaped non-facing region R2 located around the facing region.
- the front substrate 11 and the rear substrate 12 are arranged to face each other with a predetermined gap in the facing region R1.
- the non-facing region R2 constitutes a part of the frame region of the SED.
- the front substrate 11 and the rear substrate 12 are flattened such that the peripheral portion of the front substrate and the peripheral portion of the opposing region R1 of the rear substrate are joined to each other via a rectangular frame-shaped side wall 13 and the inside is maintained in a vacuum state.
- a simple rectangular vacuum envelope 10 is constructed.
- a plurality of spacers 14 are provided to support an atmospheric pressure load applied to the front substrate 11 and the rear substrate 12.
- a plate-like or columnar spacer can be used as the spacer 14.
- a phosphor screen 15 having a red, green, and blue phosphor layer 16 and a matrix-shaped light shielding layer 17 is formed as an image display surface. These phosphor layers 16 may be formed in stripes or dots.
- a metal back layer 20 having an isoelectric force is formed, and a getter film 22 is formed on the metal back layer. Is formed.
- the facing surface where the back substrate 12 faces the front substrate 11 functions as the wiring forming surface S.
- each pixel On the wiring forming surface S, a large number of surface conduction electron-emitting devices 18 each emitting an electron beam are provided as electron sources for exciting the phosphor layer 16 of the phosphor screen 15. These electron-emitting devices 18 are arranged in a plurality of columns and a plurality of rows corresponding to each pixel. For this reason, each pixel has the electron-emitting device 18 and the phosphor layer 16 corresponding one-to-one, and functions as the display device of the present invention.
- Each electron-emitting device 18 includes an electron-emitting unit (not shown) and a pair of device electrodes for applying a voltage to the electron-emitting unit. Further, on the wiring formation surface S of the rear substrate 12, there are a striped signal line 31 as a first wiring for supplying a driving voltage to the electron emitter 18 and a striped scanning line 32 as a second wiring. A plurality of them are provided, and the end portions are drawn out of the vacuum envelope 10. In the opposing region R1, the signal lines 31 and the scanning lines 32 are arranged in a matrix through the insulating layer 19.
- the signal line 31 and the scanning line 32 extend to the non-facing region R2 of the wiring forming surface S.
- the ends of the signal lines 31 formed on the non-facing region R2 of the wiring forming surface S have a bonding region R3 located inside the back substrate 12 and a probing region R4 located outside the back substrate. Yes.
- the end portion of the scanning line 32 formed on the wiring forming surface S of the non-opposing region R2 has a bonding region positioned inside the back substrate 12 and a probing region positioned outside the back substrate. is doing.
- the signal line driving circuit board 41 on which the signal line driving circuit is mounted and the scanning line driving circuit respectively A pair of mounted scanning line drive circuit boards 42 are provided. More specifically, the signal line driving circuit board 41 and the scanning line driving circuit board 42 are respectively connected to the wiring forming surface of the non-facing region R2 by a double-sided tape (not shown).
- the signal line driving circuit board 41 is disposed so as to overlap the probing region R 4 of the signal line 31.
- the signal line drive circuit of the signal line drive circuit board 41 is electrically connected to the TCP 43.
- the TCP 43 is also connected to the bonding region R3 of the signal line 31, and electrically connects the signal line and the signal line driving circuit.
- the scanning line drive circuit board 42 (not shown) is disposed so as to overlap the probing area of the scanning line 32.
- the scanning line driving circuit of each scanning line driving circuit board 42 is connected to TCP via an ACF (Anisotropic Conductive Film). This TCP is also connected to bonding regions located at both ends of the scanning line 32 via the ACF, and electrically connects the scanning line and the scanning line driving circuit.
- the signal line driving circuit and the scanning line driving circuit are driven, and a driving signal is supplied to the signal line 31 and the scanning line 32.
- an anode voltage is applied to the phosphor screen 15 and the metal back layer 20, and electrons emitted from the electron-emitting device 18 are accelerated by the anode voltage to collide with the phosphor screen.
- the phosphor layer 16 on the phosphor screen 15 is excited to emit light and display a color image.
- the bonding region R3 of the signal line 31 is a region for connecting to the signal line driving circuit.
- the probing area R4 of the signal line 31 is an area where the signal line drive circuit board 41 is disposed. Force Before the front board 11 and the rear board 12 are combined, they are used as follows.
- the probing region R 4 of the signal line 31 is used as a hood process, for example, when forming the electron-emitting device 18 and performing various inspection processes.
- the probing region R4 is used for the forming process of the electron-emitting device 18
- a conductive thin film that connects the device electrodes of the electron-emitting device is formed.
- the probe is brought into contact with the probing region R4 of the signal line 31 and the probing region of the scanning line 32.
- a voltage is supplied to the signal line 31 and the scanning line 32 through the probe, and a voltage is applied to both ends of the thin film to cause a crack.
- the forming process of the electron-emitting device 18 is completed.
- the probing regions of the signal line 31 and the scanning line 32 have a certain length.
- the probe contact part P that contacts each probe is in a direction perpendicular to the extending direction of the signal line. Leaning from. This is because the probing region R4 between adjacent signal lines 31 is narrow. As a result, the probing areas of the signal line 31 and the scanning line 32 need to have a certain length.
- the signal line driving circuit board 41 and the scanning line driving circuit board 42 are arranged on the peripheral portion of the wiring forming surface S of the rear substrate 12, more specifically, on the wiring forming surface.
- the non-opposing region R2 is disposed so as to overlap the probing region R4 of the signal line 31 and the probing region of the scanning line 32, respectively.
- the probing regions of the signal line 31 and the scanning line 32 are used only in the forming process and various inspection processes of the electron-emitting device 18, and are unnecessary when the product is manufactured. For this reason, as described above, the signal line driving circuit board 41 and the scanning line driving circuit board 42 can be disposed so as to overlap the probing area.
- the signal line driving circuit and the scanning line driving circuit are connected to the bonding regions of the signal line 31 and the scanning line 32 by the TCP 43, respectively.
- the signal line driving circuit and the scanning line driving circuit are provided so as to overlap the outer surface of the rear substrate 12, it is necessary to route the TCP to the outer periphery of the rear substrate 12. For this reason, the TCP 43 of the present embodiment is shorter than the TCP provided outside the back substrate 12. Since TCP43 is expensive, manufacturing costs can be reduced by shortening TCP. Furthermore, reliability can be improved by shortening TCP.
- the thickness of the module is reduced as compared with the case where the signal line driving circuit board 41 and the scanning line driving circuit board 42 are provided on the outer surface of the rear board. .
- the frame is narrower than the case where the signal line driving circuit board 41 and the scanning line driving circuit board 42 are provided outside the periphery of the rear substrate 12.
- the signal line driving circuit board 41 and the scanning line driving circuit board 42 are arranged to extend outside the peripheral edge of the rear substrate 12, they have an effect of preventing destruction against an external force applied to the end portion of the rear substrate. . Thereby, the signal line drive circuit board 41 and the scanning line drive circuit board 42 also have a function of protecting the peripheral edge of the back substrate 12.
- a protruding capacitor 44 may be provided on the surface of the signal line drive circuit board 41 outside the periphery of the back substrate 12. Further, not only the capacitor 44 but also a connector or an inductor may be provided. The above can also be applied to the scanning line driving circuit board 42.
- One or more scanning line drive circuit boards 42 may be provided connected to only one end of the scanning line 32.
- the connection structure of the present invention may be applied to at least one connection structure of the signal line driver circuit board 41 and the scanning line driver circuit board 42.
- the present invention can be applied to other display devices such as FED, PDP (plasma display panel), and LCD (liquid crystal display) without being limited to SED.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05753025A EP1768081A1 (en) | 2004-07-07 | 2005-06-23 | Display device |
US11/609,350 US20070080351A1 (en) | 2004-07-07 | 2006-12-12 | Display device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-200541 | 2004-07-07 | ||
JP2004200541A JP2006023457A (ja) | 2004-07-07 | 2004-07-07 | 表示装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/609,350 Continuation US20070080351A1 (en) | 2004-07-07 | 2006-12-12 | Display device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006006365A1 true WO2006006365A1 (ja) | 2006-01-19 |
Family
ID=35783713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/011530 WO2006006365A1 (ja) | 2004-07-07 | 2005-06-23 | 表示装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070080351A1 (ja) |
EP (1) | EP1768081A1 (ja) |
JP (1) | JP2006023457A (ja) |
TW (1) | TWI288942B (ja) |
WO (1) | WO2006006365A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008016385A (ja) * | 2006-07-07 | 2008-01-24 | Mt Picture Display Co Ltd | 電子放出素子 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0850297A (ja) * | 1995-06-19 | 1996-02-20 | Casio Comput Co Ltd | 基板の電極構造 |
JPH1124097A (ja) * | 1997-07-03 | 1999-01-29 | Citizen Watch Co Ltd | 液晶表示装置 |
JPH11183862A (ja) * | 1997-12-22 | 1999-07-09 | Sanyo Electric Co Ltd | 液晶表示装置 |
JPH11202353A (ja) * | 1998-01-09 | 1999-07-30 | Citizen Watch Co Ltd | 液晶表示装置 |
JP2000250071A (ja) * | 1999-02-25 | 2000-09-14 | Matsushita Electric Ind Co Ltd | 表示パネル及びその製造方法 |
JP2002207222A (ja) * | 1994-09-16 | 2002-07-26 | Seiko Epson Corp | 液晶表示装置の実装構造、電子機器、回路基板及び表示手段 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5841414A (en) * | 1994-08-16 | 1998-11-24 | Citizen Watch Co., Ltd. | Liquid crystal display device |
US5654730A (en) * | 1994-08-16 | 1997-08-05 | Citizen Watch Co., Ltd. | Liquid crystal display device |
JP3648741B2 (ja) * | 1994-09-16 | 2005-05-18 | セイコーエプソン株式会社 | 液晶表示装置,その実装構造,及び電子機器 |
-
2004
- 2004-07-07 JP JP2004200541A patent/JP2006023457A/ja active Pending
-
2005
- 2005-06-23 WO PCT/JP2005/011530 patent/WO2006006365A1/ja not_active Application Discontinuation
- 2005-06-23 EP EP05753025A patent/EP1768081A1/en not_active Withdrawn
- 2005-07-07 TW TW094123021A patent/TWI288942B/zh not_active IP Right Cessation
-
2006
- 2006-12-12 US US11/609,350 patent/US20070080351A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002207222A (ja) * | 1994-09-16 | 2002-07-26 | Seiko Epson Corp | 液晶表示装置の実装構造、電子機器、回路基板及び表示手段 |
JPH0850297A (ja) * | 1995-06-19 | 1996-02-20 | Casio Comput Co Ltd | 基板の電極構造 |
JPH1124097A (ja) * | 1997-07-03 | 1999-01-29 | Citizen Watch Co Ltd | 液晶表示装置 |
JPH11183862A (ja) * | 1997-12-22 | 1999-07-09 | Sanyo Electric Co Ltd | 液晶表示装置 |
JPH11202353A (ja) * | 1998-01-09 | 1999-07-30 | Citizen Watch Co Ltd | 液晶表示装置 |
JP2000250071A (ja) * | 1999-02-25 | 2000-09-14 | Matsushita Electric Ind Co Ltd | 表示パネル及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1768081A1 (en) | 2007-03-28 |
TW200606974A (en) | 2006-02-16 |
JP2006023457A (ja) | 2006-01-26 |
TWI288942B (en) | 2007-10-21 |
US20070080351A1 (en) | 2007-04-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2008159449A (ja) | 表示装置 | |
US8164246B2 (en) | Light emission device and display device using the same as light source | |
KR20040005623A (ko) | 표시 장치 | |
WO2005124814A1 (ja) | 平面型表示装置 | |
JP3457162B2 (ja) | 画像表示装置 | |
WO2006006365A1 (ja) | 表示装置 | |
KR20070057239A (ko) | 화상 표시 장치 | |
KR100704801B1 (ko) | 화상 표시 장치 및 화상 표시 장치의 제조 방법 | |
US20080024052A1 (en) | Display device | |
KR20040083522A (ko) | 화상 표시 장치 | |
JPH05266832A (ja) | 表示素子 | |
JP2008166048A (ja) | 画像表示装置 | |
WO2006067960A1 (ja) | 画像表示装置 | |
US20100097544A1 (en) | Light emission device with spacer mounting regions and display device using the same | |
JP2005235740A (ja) | 気密容器の製造方法、画像表示装置とその製造方法、テレビジョン装置の製造方法 | |
JPH10254374A (ja) | 画像形成装置とその製造方法 | |
JP2005085728A (ja) | 画像表示装置 | |
JP2007086642A (ja) | 画像表示装置 | |
JP2000251682A (ja) | 配線形成方法、マトリックス配線形成方法、マルチ電子ビーム源の製造方法及び記憶媒体 | |
JP2005158498A (ja) | 平面表示装置 | |
JP2006120534A (ja) | 画像表示装置 | |
KR20070033462A (ko) | 화상 표시 장치 | |
JP2007073467A (ja) | 画像表示装置 | |
JPH03266341A (ja) | 画像形成装置 | |
JP2008171740A (ja) | 画像表示装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2005753025 Country of ref document: EP Ref document number: 11609350 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: DE |
|
WWP | Wipo information: published in national office |
Ref document number: 2005753025 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 11609350 Country of ref document: US |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 2005753025 Country of ref document: EP |