WO2001088943A2 - Afficheur a ecran plasma de petites dimensions et procede de fabrication - Google Patents

Afficheur a ecran plasma de petites dimensions et procede de fabrication Download PDF

Info

Publication number
WO2001088943A2
WO2001088943A2 PCT/US2001/015375 US0115375W WO0188943A2 WO 2001088943 A2 WO2001088943 A2 WO 2001088943A2 US 0115375 W US0115375 W US 0115375W WO 0188943 A2 WO0188943 A2 WO 0188943A2
Authority
WO
WIPO (PCT)
Prior art keywords
display panel
plasma display
panel device
electrode
dielectric layer
Prior art date
Application number
PCT/US2001/015375
Other languages
English (en)
Other versions
WO2001088943A3 (fr
Inventor
Steven Kim
Erich E. Kunhardt
Seok-Kyun Song
Bhum-Jae Shin
Sooho Park
Original Assignee
Plasmion Displays, Llc
The Trustees Of Stevens Institute Of Technology
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 Plasmion Displays, Llc, The Trustees Of Stevens Institute Of Technology filed Critical Plasmion Displays, Llc
Priority to AU2001263080A priority Critical patent/AU2001263080A1/en
Publication of WO2001088943A2 publication Critical patent/WO2001088943A2/fr
Publication of WO2001088943A3 publication Critical patent/WO2001088943A3/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
    • H01J11/10—AC-PDPs with at least one main electrode being out of contact with the plasma
    • H01J11/12—AC-PDPs with at least one main electrode being out of contact with the plasma with main electrodes provided on both sides of the discharge space
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2211/00—Plasma display panels with alternate current induction of the discharge, e.g. AC-PDPs
    • H01J2211/20—Constructional details
    • H01J2211/22—Electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2211/00—Plasma display panels with alternate current induction of the discharge, e.g. AC-PDPs
    • H01J2211/20—Constructional details
    • H01J2211/34—Vessels, containers or parts thereof, e.g. substrates
    • H01J2211/38—Dielectric or insulating layers

Definitions

  • the present invention relates to a plasma display panel device, and more particularly, to a small scale plasma display panel device and method of fabricating the same.
  • the present invention is suitable for a wide scope of applications, it is particularly suitable for a small scale plasma display panel device having a display size of about 5" to 35" diagonal, preferably 12" to 19" diagonal. Discussion of the Related Art
  • a plasma display panel (PDP) device utilizes gas discharges to convert electric energy into light.
  • Each pixel in the PDP device corresponds to a single gas-discharge site and the light emitted by each pixel is controlled electronically by video signals that represent images.
  • a PDP is the choice for large size display devices ⁇ typically larger than 40" diagonal
  • a liquid crystal display (LCD) is the choice for smaller size display devices.
  • a plasma display provides several advantages over a liquid crystal display. While the liquid crystal display can only be viewed from certain angles, which would be a major problem for a display device, the plasma display provides well-defined images from unlimited viewing angles.
  • the plasma display has an intrinsic memory - each pixel can remember whether it should be on or off.
  • This memory effect relies on a uniform layer of magnesium oxide, which can readily be deposited without defects over large areas.
  • the memory effect in the liquid crystal displays requires transistors at each pixel, which are much more difficult to fabricate reliably. Also, the plasma displays have a faster response time.
  • the plasma displays are manufactured in a similar way to the cathode-ray tubes and the printed circuits. Thus, the plasma displays are much easier in fabrication than the liquid crystal displays .
  • the present invention is directed to a plasma display panel device and method of fabricating the same that substantially obviates one or more of problems due to limitations and disadvantages of the related art.
  • An objective of the present invention is to provide a small scale PDP that can be used in place of a LCD.
  • Another object of the present invention is to provide a plasma display panel device having high brightness and a fast response time.
  • a further object of the present invention is to provide a plasma display panel device having a simple structure. Additional features and advantages of the invention will be set forth in the description which follows and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings .
  • a plasma display panel device having first and second substrates includes a first electrode on the first substrate, a second electrode on the second substrate, a dielectric layer on the second electrode including the second substrate, a plurality of third electrodes completely buried in the dielectric layer, a pair of barrier ribs connecting the first and second substrates on the dielectric layer, and a discharge chamber where discharge occurs between the first and second substrates, wherein the discharge chamber faces toward the second electrode through a plurality of rows of capillaries, each of the rows includes one or more capillaries, formed in the dielectric layer.
  • a plasma display panel device having a display size of 12" to 19" diagonal includes first and second substrates juxtaposed in face-to-face relation, the first substrate being a viewing panel, a first electrode on the first substrate, a second electrode on the second substrate, a dielectric layer on the second electrode including the second substrate, a discharge chamber where discharge occurs between the first and second substrates, wherein the discharge chamber faces towards the second electrode through a plurality of rows, each of which includes one or more capillaries formed in the dielectric layer.
  • a method of fabricating a plasma display panel device includes the steps of forming a first electrode on the first substrate, forming a second electrode on the second substrate, forming a first dielectric layer on the second electrode including the second substrate, forming a plurality of third electrodes completely buried on the first dielectric layer, forming a second dielectric layer on the first dielectric layer including the plurality of third electrodes, and forming a plurality of rows, each of which includes one or more capillaries in the first and second dielectric layer.
  • FIG. 1 is a cross-sectional view of a plasma display panel device according to a first embodiment of the present invention
  • FIG. 2 is a cross-sectional view of a plasma display panel device according to a second embodiment of the present invention.
  • FIGs . 3A to 3E are cross-sectional views of a method of fabricating the plasma display panel device according to the present invention
  • FIG. 4A is a photograph illustrating a plasma discharge in a conventional AC barrier type PDP device
  • FIGs. 4B and 4C are photographs illustrating a plasma discharge in a PDP device according to the present invention.
  • FIGs. 5A to 5C are schematic views of a plasma discharge according to the present invention.
  • FIG. 6 is a top view of a rear substrate of the PDP device according to the present invention.
  • FIG. 7 is a cross-sectional view of the rear substrate along with the line VII-VII' in FIG. 6.
  • a capillary type plasma display panel (PDP) device of the present invention utilizes a new scheme of electrical discharges which produces a high density plasma from capillaries.
  • a density and diameter of the capillaries may be varied to optimize discharge characteristics.
  • FIG. 4A illustrates the intensity of the plasma discharge of the conventional AC barrier type PDP device
  • FIGs. 4B and 4C illustrate the intensity of the plasma discharge of the capillary type PDP device of the present invention.
  • a plasma jet emanating from the capillaries is clearly visible and brighter than that of the conventional AC barrier type PDP device.
  • the intensity of the discharge of the capillary type PDP device of the present invention is significantly larger than that of the conventional AC barrier discharge under the same condition.
  • FIG. 5A to 5C schematically illustrate the features of the capillary type PDP device of the present invention.
  • FIG. 5A shows a field E c inside of the capillary generating a high field discharge and an applied electrode field E a .
  • a high density plasma in the capillary emerges from the end of the capillary into the discharge chamber, serving as an electrode for the discharge chamber.
  • the field inside of the capillary does not collapse even after forming a streamer discharge. This is due to a high electron-ion recombination at the wall requiring a large production rate on the axis (and therefore a high field) in order to sustain a current.
  • FIG. 5A shows a field E c inside of the capillary generating a high field discharge and an applied electrode field E a .
  • a high density plasma in the capillary emerges from the end of the capillary into the discharge chamber, serving as an electrode for the discharge chamber.
  • the field inside of the capillary does not collapse even after
  • a double layer of electric field exist at the interface of the capillary and the main discharge chamber.
  • the PDP device includes a transparent front substrate 1 and a rear substrate 2 disposed facing each other.
  • a second electrode 4 is formed on the rear substrate 2 as an address electrode.
  • a dielectric layer 7 is formed on the second electrode 4 including the rear substrate 2. If necessary, a magnesium oxide (MgO) layer may be formed on the dielectric layer 7.
  • MgO magnesium oxide
  • a plurality of third electrodes 5 are formed in the dielectric layer 7 in the vicinity of the capillaries as sustain electrodes.
  • a pair of barrier ribs 8 connecting the front substrate 1 and the rear substrate 2 are formed on the dielectric layer 7.
  • a discharge chamber 10 is formed between the front substrate 1 and the rear substrate 2 defined by the pair of barrier ribs 8.
  • the discharge chamber 10 is filled with an inert gas mixture such as Xenon (Xe) to generate a UV emission.
  • the dielectric layer 7 has at least one capillary 9 (or channel) to expose the second electrode 4 to the discharge chamber, so that a steady state high density is generated.
  • a diameter of the capillary 9 is typically 10 to 50 ⁇ m.
  • the number of the capillary per pixel can be up to 3.
  • the capillaries are formed in one or more rows, as shown in FIG. 6 and 7.
  • the PDP device of the present invention has a display size of about 5" to 35" diagonal, preferably 12" to 19" diagonal and a pixel size of about 120 ⁇ m x 360 ⁇ m. Therefore, The PDP of the present invention is suitable for the display size traditionally engaged by LCD.
  • FIG. 2 is a cross-sectional view showing a PDP device according to a second embodiment of the present invention.
  • the PDP device of the second embodiment has the similar structure as that of the first embodiment, except for that an address electrode 24 is formed on a front substrate 21 and a biasing electrode 23 is formed on a rear substrate 22.
  • an address electrode 24 is formed on a front substrate 21 and a biasing electrode 23 is formed on a rear substrate 22.
  • a different polarity of the electric field is applied to the bias electrode.
  • the polarity for biasing in the second embodiment is opposite to that of the first embodiment .
  • a method of fabricating a plasma display panel device according to the present invention is explained as follows: An embodiment of methods of fabricating a plasma display panel device of the present invention is described with reference to FIGs. 3A to 3E.
  • a first electrode 32 formed of ITO is deposited on a front glass substrate 31.
  • a first transparent dielectric layer 33a formed .of lead oxide (PbO) glass, for example, is formed on the front substrate 31 including the first electrode 32.
  • a plurality of electrodes 34 made of ITO, are formed on the first transparent dielectric layer 33a in FIG. 3C.
  • Each of the plurality of electrodes has a width in the range of about 100 to 200 ⁇ m.
  • a second transparent dielectric layer 33b is formed on the first dielectric layer 33a including the plurality of electrodes 34.
  • At least one capillary 35 is formed in the first and second dielectric layers 33a and 33b by laser machining or etching to expose the first electrode 32 to a discharge chamber, as shown in FIG. 3E.
  • a screen printing process or a sputtering method may be used to form the other layers .
  • a plasma display panel device and method of fabricating the same of the present invention has the following advantages over LCD.
  • the memory effect of the PDP does not depend on the transistors at each pixel.
  • the emissive nature of the PDP device provides a wide viewing angle.
  • a manufacturing process is readily completed because the PDP is fabricated in the similar way to the cathode-ray tubes and the printed circuits.
  • the structure of the PDP in the present invention is simpler than that of the conventional PDP device. This is because neither a current limiting resistor nor MgO layer is required in the present invention.
  • a life time of the PDP in the present invention is much improved and a manufacturing cost is reduced since costly MgO deposition process can be eliminated and for the same reason set forth above.
  • the fields in the capillary do not collapse. Thus, a discharge having high electric fields is maintained in the capillary. As a result, much enhanced brightness is obtained in the PDP of the present invention.
  • the PDP device of the present invention is capable of being operated in both AC and DC modes and has an address voltage less than 200 V. This is possible because a breakdown voltage is lowered by using a large field across the dielectric layer in the early phase of a cycle for generating electron avalanches in the capillary.
  • the response time is very short because a time for dielectric charging is eliminated from the response time. Accordingly, the present invention provides a high efficiency by generating a steady state high density UV emission.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Gas-Filled Discharge Tubes (AREA)

Abstract

La présente invention concerne un afficheur à écran plasma et son procédé de fabrication. L'afficheur comporte deux électrodes appliquées chacune sur un substrat. Une couche diélectrique appliquée sur la deuxième électrode est intégrée au deuxième substrat. Une pluralité de troisièmes électrodes est complètement enterrée dans la couche diélectrique. Une paire de côtelures barrière fait la jonction entre les deux substrats sur la couche diélectrique. La décharge se produit dans une chambre à décharge entre les deux substrats. En l'occurrence, la chambre à décharge fait face à la seconde électrode au travers d'une pluralité de capillaires, à raison d'un ou de plusieurs capillaires par rangée, formés dans la couche diélectrique.
PCT/US2001/015375 2000-05-15 2001-05-14 Afficheur a ecran plasma de petites dimensions et procede de fabrication WO2001088943A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001263080A AU2001263080A1 (en) 2000-05-15 2001-05-14 Small scale plasma display panel device and method of fabrication the same

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US20412900P 2000-05-15 2000-05-15
US60/204,129 2000-05-15
US69125300A 2000-10-19 2000-10-19
US09/691,253 2000-10-19

Publications (2)

Publication Number Publication Date
WO2001088943A2 true WO2001088943A2 (fr) 2001-11-22
WO2001088943A3 WO2001088943A3 (fr) 2003-08-28

Family

ID=26899210

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/015375 WO2001088943A2 (fr) 2000-05-15 2001-05-14 Afficheur a ecran plasma de petites dimensions et procede de fabrication

Country Status (2)

Country Link
AU (1) AU2001263080A1 (fr)
WO (1) WO2001088943A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001091156A2 (fr) * 2000-05-22 2001-11-29 Plasmion Displays, Llc Ecran a plasma dote d'un espace de decharge de type tranchee et procede de fabrication de cet ecran

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000002225A1 (fr) * 1998-07-01 2000-01-13 Plasmion Corporation Ecran plat a plasma a decharge par electrode capillaire et son procede de fabrication

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000002225A1 (fr) * 1998-07-01 2000-01-13 Plasmion Corporation Ecran plat a plasma a decharge par electrode capillaire et son procede de fabrication

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001091156A2 (fr) * 2000-05-22 2001-11-29 Plasmion Displays, Llc Ecran a plasma dote d'un espace de decharge de type tranchee et procede de fabrication de cet ecran
WO2001091156A3 (fr) * 2000-05-22 2003-01-16 Plasmion Displays Llc Ecran a plasma dote d'un espace de decharge de type tranchee et procede de fabrication de cet ecran

Also Published As

Publication number Publication date
WO2001088943A3 (fr) 2003-08-28
AU2001263080A1 (en) 2001-11-26

Similar Documents

Publication Publication Date Title
US6475049B2 (en) Method of fabricating capillary electrode discharge plasma display panel device
KR940008176B1 (ko) 표시장치
US6946803B2 (en) Drive control system for a fiber-based plasma display
US6548957B1 (en) Plasma display panel device having reduced turn-on voltage and increased UV-emission and method of manufacturing the same
US6570335B1 (en) Method and system for energizing a micro-component in a light-emitting panel
US7125305B2 (en) Light-emitting panel and a method for making
US6431935B1 (en) Lost glass process used in making display
US7535437B2 (en) Structure and driving method of plasma display panel
US6750605B2 (en) Fiber-based flat and curved panel displays
US6580217B2 (en) Plasma display panel device having reduced turn-on voltage and increased UV-emission and method of manufacturing the same
JP2552989B2 (ja) プラズマアドレス方式の液晶表示素子
US6522071B1 (en) Plasma display panel
US6628075B1 (en) Plasma display panel with first and second inner and outer electrodes
WO2001088943A2 (fr) Afficheur a ecran plasma de petites dimensions et procede de fabrication
US6411031B1 (en) Discharge electrodes for a color plasma display panel capable of lowering a discharge voltage
Tang et al. A 25‐in. SMPDP with fine pitch and high resolution
KR100272603B1 (ko) 플라즈마 디스플레이 패널의 유전층 구조
KR100264449B1 (ko) 플라즈마 표시기의 장치 및 구동방법
KR100421855B1 (ko) 플라즈마 디스플레이 패널
KR20020029565A (ko) 전계 방출 표시소자
US20040227463A1 (en) Flat panel display having conductors magnetically bonded to substrate
KR20000066854A (ko) 플라즈마 디스플레이 패널의 제조방법
KR19980022272A (ko) 다공성 실리콘을 이용하는 발광소자의 제조방법
KR19990034683A (ko) 플라즈마 디스플레이 패널용 패턴 형성방법
KR20000007370A (ko) 플라즈마 디스플레이 패널의 전착용 전극 및 그 제조방법

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CR CU CZ DE DK DM DZ EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA ZW

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

122 Ep: pct application non-entry in european phase
NENP Non-entry into the national phase in:

Ref country code: JP