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121. 发明专利

JPH06243790A DC TYPE DISCHARGE DISPLAY PANEL 失效
公开(公告)号：JPH06243790A
公开(公告)日：1994-09-02
申请号：JP4712993
申请日：1993-02-15
申请人： DAINIPPON PRINTING CO LTD
发明人： ISHIGA HIROSHI , TANABE HISAO , OKA MOTOHIRO
IPC分类号： H01J17/49
摘要： PURPOSE:To realize stable low voltage discharge without any activating process and long time aging as an oxide coating negative electrode, an alkali metal negative electrode, a LaB6 negative electrode, and the like are used for lowing a voltage. CONSTITUTION:A secondary electron emitting material containing at least one of rare earth oxide and compound oxide containing rare earth is arranged so that its boundary touches the outside edge part of a negative electrode in a cell inner area. In the concrete, a ground layer 7 of the electrode to be the negative electrode 3, a leveling material between the negative electrode, or a lower layer member of a rib barrier 4 can be formed by the previously mentioned secondary electron emitting material. Alternatively, in a trigger type, a dielectric layer can be formed by a similar secondary electron emitting material. The secondary electron emitting material can be formed with touching the negative electrode 3 by altering a part, of the member of a conventional panel structure, and a low voltage discharge with a uniform discharge voltage between the cells appears following short, time aging.

122. 发明专利

JPH06243789A PLASMA DISPLAY PANEL 失效
公开(公告)号：JPH06243789A
公开(公告)日：1994-09-02
申请号：JP4712893
申请日：1993-02-15
申请人： DAINIPPON PRINTING CO LTD
发明人： OKA MOTOHIRO , SHIMADA KOJI , OOKUBO SAKURAKO
IPC分类号： H01J17/49
摘要： PURPOSE:To increase luminous efficiency and luminance of a plasma display panel. CONSTITUTION:In a plasma display panel, in which a front face panel 1 and a back face panel 2, which is provided with cell barriers 3 constituting plural matrices or linear display element cells, are arranged so that they are faced with each other parallelly, the cell barriers 3 are arranged approximately vertically to the back face plate 2 while a fluorophor layer 6, which is formed into a taper extending toward the front face side, is provided on a wall face of each of the cell barriers 3. The fluorophor layer 6 can be thickened without sacrificing any discharge space, and a cross section of the phosphor screen is formed into an approximate radial shape or an approximate 2n-th degree curve (n=0, 1, 2,...), which are bent to the back face plate 2 side and are expanded gradually toward the front face plate 1 side, so that outgoing of the light emitted from the fluorophor layer 6 to the front face plate 1 side is carried out efficiently and luminous efficiency and luminance are increased.

123. 发明专利

JPH06236734A GAS DISCHARGE DISPLAY PANEL 失效
公开(公告)号：JPH06236734A
公开(公告)日：1994-08-23
申请号：JP4332893
申请日：1993-02-09
申请人： JAPAN BROADCASTING CORP , DAINIPPON PRINTING CO LTD
发明人： SEKI MASAHIKO , MURAKAMI HIROSHI , SAKAI TETSUO , KURIYAMA TAKAO , KATO TOSHIHIRO , KAWAI TAKASHI , OKA MOTOHIRO , SHIMADA KOJI , TANABE HISAO , SHIBUYA KATSUTO
IPC分类号： H01J17/04 , H01J17/49
摘要： PURPOSE:To stably form a resistor having a high resistance in which the dispersion of resistance value is minimized in a fine cell pitch. CONSTITUTION:A plurality of mutually parallel anode buses AL are arranged on a back plate, a positive electrode A is connected to one end of a resistor R having the other end connected to each anode bus AL and arranged in parallel to each anode bus AL through an insulating layer, and a discharge cell C is constituted by each anode A and a bank B surrounding its circumference. A plurality of cathodes K are arranged on a front plate orthogonally to the anode buses AL, the discharge cells C are arranged in a staggered form every line, and the resistors R are arranged over adjacent lines. Auxiliary electrodes T may be provided in parallel for the cathodes K on the front plate. Since the arrangement place of the current limiting resistors R is not limited within the display cell, and is arranged over the adjacent lines, the length of the resistor R can be comparatively set long even when the pitch of the display cells is reduced, and dispersion of resistance value can be minimized.

124. 发明专利

JPH06231679A MANUFACTURE OF GAS DISCHARGE PANEL 失效
公开(公告)号：JPH06231679A
公开(公告)日：1994-08-19
申请号：JP4332693
申请日：1993-02-09
申请人： JAPAN BROADCASTING CORP , DAINIPPON PRINTING CO LTD
发明人： KATO TOSHIHIRO , KURIYAMA TAKAO , TAKEI TATSUYA , ISHIGA HIROSHI , OKA MOTOHIRO
IPC分类号： H01J9/02 , H01J17/06
摘要： PURPOSE:To form a cathode having a function identical to that of material, out of emitter material and the like from which the cathode can be made without transforming the aforesaid emitter material into a paste state. CONSTITUTION:In the manufacture of a gas discharge panel, which is made up of a process for forming an electrode functioning as a cathode 5 over a front surface plate or a rear surface plate 2 by a thick film printing method, a process for drying the front surface plate or the rear surface plate 2 on which the cathode 5 is formed, and of a process for sintering the front surface plate or the rear surface plate 2, after the aforesaid drying process has been over, a process is carried out, in which the cathode 5 is shielded with granular material 8 formed out of emitter material and the like. In this case, there is no need for transforming the emitter material into a paste state, the cathode can be formed out of various materials which still remain granular, therefore, a panel high in luminous efficiency can thereby be formed by simple processes.

125. 发明专利

JPH0636683A FORMATION OF THICK FILM PATTERN OF PLASMA DISPLAY SUBSTRATE 失效
公开(公告)号：JPH0636683A
公开(公告)日：1994-02-10
申请号：JP20698592
申请日：1992-07-13
申请人： DAINIPPON PRINTING CO LTD
发明人： FUJII HIDEAKI , OKA MOTOHIRO
IPC分类号： H01J9/14 , H01J9/02 , H01J17/04 , H01J17/49
摘要： PURPOSE:To improve the productivity and enhance the yield of a thick film pattern and provide good accuracy of line width. CONSTITUTION:A pattern-forming material 2 forming a pattern of barriers or electrodes is initially applied in a predetermined film thickness to the upper face of a substrate 1 and a sandblast mask 3 of a predetermined pattern is formed from above the material 2 using printing method and printing paste having sandblast resistance. Thereafter, unneccesary portions are removed by a sandblast 4 via the sandblast mask 3 so as to provide a desired pattern of barries or electrodes 5. A pattern of 100mum or more is obtainable by a single operation. The contour of a thick film pattern is formed by sandblasting performed via the mask 3, so the accuracy of line width is improved.

126. 发明专利

JPH065206A CELL BARRIER FORMING METHOD FOR PLASMA DISPLAY PANEL 失效
公开(公告)号：JPH065206A
公开(公告)日：1994-01-14
申请号：JP18469792
申请日：1992-06-19
申请人： DAINIPPON PRINTING CO LTD
发明人： ISHIGA HIROSHI , OKA MOTOHIRO
IPC分类号： H01J9/24 , H01J17/49
摘要： PURPOSE:To simplify a process, and also form a cell barrier having a constant height and excellent in accuracy. CONSTITUTION:Wax 2 is applied on a base 1 at thickness corresponding to the height of cell barriers 5, grooves 3 are formed on this wax 2 in the pattern of the cell barriers 5, glass paste 4 is packed in the grooves 3, and then heat treatment is applied to melt and remove the wax 2 on the base 1, so as to perform baking on the whole base 1. The cell barriers 5, having a constant height and excellent in accuracy, can be formed by this one time operation.

127. 发明专利

JPH065202A COLOR FILTER FORMING METHOD FOR PLASMA DISPLAY BASE 失效
公开(公告)号：JPH065202A
公开(公告)日：1994-01-14
申请号：JP18739692
申请日：1992-06-23
申请人： DAINIPPON PRINTING CO LTD
发明人： HARAYAMA MASATOSHI , OKA MOTOHIRO
IPC分类号： H01J9/227 , H01J11/12 , H01J11/24 , H01J11/26 , H01J11/32 , H01J11/36 , H01J11/42 , H01J11/44 , H01J17/49
摘要： PURPOSE:To form a color filter of a plasma display base, excellent in heat resistance also having no gas-escaping moreover satisfactory in film thickness uniformity, resolution, and work accuracy. CONSTITUTION:A colorant composition 2, wherein colorant having heat resistance is dispersed, is applied on a base 1 such as glass on which a glass filter is to be formed, and a photosensitive composition 3 is applied thereon. Next, a patterning part 3a is formed on the layer of the photosensitive composition 3 via a mask M, and then an unexposed part 3b is developed to be excluded. Successively, the layer of the colorant composition 2 is develop-patterned with this patterning part 3 used as masking material, then is baked at temperature sufficient to color reaction, and an organic part is burned out to form a filter part composed of the colorant. Material, capable of exchanging alkaline ions included in heat resistant pigment, color glass, and base glass with color ions, can be used as the colorant.

128. 发明专利

JPH05314915A DC TYPE PLASMA DISPLAY PANEL 失效
公开(公告)号：JPH05314915A
公开(公告)日：1993-11-26
申请号：JP14363892
申请日：1992-05-11
申请人： DAINIPPON PRINTING CO LTD
发明人： FUJII HIDEAKI , OKA MOTOHIRO
IPC分类号： H01J17/06 , H01J17/49
摘要： PURPOSE:To enhance luminous efficiency a DC type plasma display panel. CONSTITUTION:A mixture of a rare earth element oxide with a conductive material is applied to an electrode to be a negative electrode 16. Since the rare earth element oxide has a high secondary electron emission coefficient to decrease a discharge voltage of the negative electrode 16, luminous efficiency P/VI (P:luminous output, V:voltage, I:current) is increased. When a phosphor layer is provided in an inner wall of a cell barrier, an area of a phosphor screen is enlarged and decrease of light quantity in transmission as in the case of a transmission type phosphor layer is eliminated, thereby providing increase of luminous output and further enhancement of luminous efficiency.

129. 发明专利

JPH05314893A METHOD FOR FORMING ELECTRODE 失效
公开(公告)号：JPH05314893A
公开(公告)日：1993-11-26
申请号：JP14363992
申请日：1992-05-11
申请人： DAINIPPON PRINTING CO LTD
发明人： FUJII HIDEAKI , OKA MOTOHIRO
IPC分类号： H01J9/02 , H05K3/26
摘要： PURPOSE:To widen the range of selection of electrode material and readily form a uniform electrode of good discharging efficiency. CONSTITUTION:An electrode 12 is patterned on a substrate 11 via a thick film formation process and a baking process and then oxide layers on the surface of the electrode are removed. Sandblasting method is employed as means for removing the layers. An electrode of low surface resistance is formed by removal of the oxide layers and the discharging efficiency of PDP is increased. Because a uniform electrode surface is obtained, conventional aging process after paneling is not required. Also, special processes for baking in an atmosphere for preventing surface oxidation are not required, and use of materials which are not usable as electrode material of PDP because of the problem of surface oxidation is made possible.

130. 发明专利

JPH0349695A PRINTING INK COMPOSITION FOR DETECTING GLUCOSE AND TESTING UNIT FOR DETECTING BLOOD GLUCOSE USING THE SAME 失效
公开(公告)号：JPH0349695A
公开(公告)日：1991-03-04
申请号：JP18252389
申请日：1989-07-17
申请人： DAINIPPON PRINTING CO LTD
发明人： TSUJI NOBUYUKI , OKA MOTOHIRO
IPC分类号： C12Q1/00 , C09D11/00 , C12Q1/54
摘要： PURPOSE:To enable efficient obtaining of a stable printing ink composition excellent in printability with good sensitivity in a large amount by blending a composition for detecting glucose with a highly water absorbing resin and a polar reagent, such as coloring reagent, and/or an adsorbent for adsorbing proteins, such as enzyme. CONSTITUTION:A glucose saccharifying enzyme is blended with an H2O2 decomposing enzyme and an oxidizable indicator to provide a composition (A) for detecting glucose. A highly water absorbing resin (B) is obtained by selection from starch acrylic acid graft copolymers passing through a 400-mesh screen, etc. An adsorbent (C) adsorbing proteins, such as enzyme, is then obtained by selection from inorganic cellular substances, etc., composed of a mixture of Ca3(PO4)2, etc. o-Tolidine, etc., are then blended therewith to afford a polar reagent (D), such as coloring reagent. The ingredients (A), (B), (D) and/or (C) are subsequently blended to produce a printing ink composition (E) for detecting glucose. A binder resin and a solvent are then added to the ingredient (E) to afford a mixed composition, which is then directly printed on a membrane filter to prepare a testing unit for detecting blood glucose.

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