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1. 发明专利

JP2003217521A GAS DISCHARGE LAMP, AND INFORMATION DISPLAY SYSTEM USING THE SAME 审中-公开
公开(公告)号：JP2003217521A
公开(公告)日：2003-07-31
申请号：JP2002018051
申请日：2002-01-28
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： IMAMURA HIROKO , HIROHASHI MASAKI
IPC分类号： G02F1/13357 , G09F9/30 , H01J65/00
摘要： PROBLEM TO BE SOLVED: To provide a gas discharge lamp emitting flat-shaped light, capable of making an intended dot emit an intended color in one lamp, and to provide an information display system using the same. SOLUTION: A plurality of electrodes (line-shapes negative electrodes and positive electrodes) 1, covered by an insulation substance 4, arranged alternately and nearly in parallel with each other, are formed on the inner surface of a back panel of a flat discharge container having opposing surfaces formed by a visible light transmissive front panel and a back panel. The gas discharge lamp of which, RGB are not mixed up, is realized by a phosphor 3 selectively coated in RGB three colors (red, blue, and green), and a gas discharge lamp emitting flat-shaped light, capable of making an intended dot emit an intended color in one lamp, and an information display system using the same can be provided. COPYRIGHT: (C)2003,JPO

2. 发明专利

JP2003217519A GAS DISCHARGE LAMP, AND INFORMATION DISPLAY SYSTEM USING THE SAME 审中-公开
公开(公告)号：JP2003217519A
公开(公告)日：2003-07-31
申请号：JP2002016551
申请日：2002-01-25
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： HIROHASHI MASAKI , TOMITA KAZUO , IMAMURA HIROKO , KUWATA JUN
IPC分类号： G02F1/13357 , H01J65/00
摘要： PROBLEM TO BE SOLVED: To provide an inexpensive gas discharge lamp emitting light in plane shape, having high uniformity of light emission in spite of its simple structure, and to provide an information display system using the same. SOLUTION: A plurality of electrodes (line-shapes negative electrodes and positive electrodes) 1, covered by a dielectric substance 4, arranged alternately and nearly in parallel with each other, are formed on the surface of one panel of a flat discharge container having opposing surfaces formed by a visible light transmissive front panel and a back panel, and a flat-shaped third electrode 2 is formed to the almost whole plane part of one panel chosen from the above flat panels. The third electrode 2 is grounded through a high resistance body 6 during normal lighting period of mainly discharging between the positive electrode and the negative electrode. COPYRIGHT: (C)2003,JPO

3. 发明专利

JP2003203604A FLAT DISCHARGE LAMP 审中-公开
公开(公告)号：JP2003203604A
公开(公告)日：2003-07-18
申请号：JP2002001058
申请日：2002-01-08
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： IMAMURA HIROKO , HIROHASHI MASAKI , KUWATA JUN
IPC分类号： H01J61/30
摘要： PROBLEM TO BE SOLVED: To provide a flat discharge lamp of which a discharge vessel is hardly broken when decompressed for enclosing the discharge gas. SOLUTION: For a discharge vessel consisting of a front glass substrate 1, a rear glass substrate 5, and an outer frame glass 3 for keeping an interval between the both glass substrates, a pillar 4 arranged inside a discharge space is of a material different from that for the discharge vessel. With this, a flat discharge lamp is realized, of which, a discharge vessel is hardly broken even decompressed for enclosing the discharge gas. COPYRIGHT: (C)2003,JPO

4. 发明专利

JPH03114278A OPTICAL SEMICONDUCTOR DEVICE AND MANUFACTURE THEREOF 失效
公开(公告)号：JPH03114278A
公开(公告)日：1991-05-15
申请号：JP25269889
申请日：1989-09-27
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： NEGISHI HIDEHIKO , TAKEUCHI YOSHINORI , KASAHARA MASAO , ABE TOMOKO , WAKABAYASHI SHINICHI , IMAMURA HIROKO
IPC分类号： H01L31/00 , H01L33/58 , H01L33/60 , H01L33/62 , H01S5/022
摘要： PURPOSE:To remove return light from a photodetector for monitor to a light- emitting element by a method wherein an insulator having an inclined plane to the main surface of a stem main body is formed on the main surface of the stem main body, the photodetector is fixed on the inclined plane and the light-emitting element is mounted in such a way that a luminous part is positioned in the direction vertical to the main surface of the stem main body. CONSTITUTION:An inclined insulator (a plate) 103 for monitor and for photodetector fixing is fixed on a stem main surface 101 in such a way as to hold an airtightness. Moreover, the photodetector fixing surface for monitor use of the insulator 103 has an inclined plane of 8 degrees to an optical axis with high accuracy. This angle is the optimum angle for preventing return light. Moreover, a metallized part 115 is provided on this inclined plane for fixing use so that a metal fixing of a photodetector 114 for monitor use becomes possible. After an alignment within the surface, which is vertical to the optical axis, of the stem main body is executed, a cap main body 116 is fixed on the main body 101 by a spot welding or the like. Thereby, it is easily possible that an emitting beam from a light-emitting element 113 is collimated in the optimum state and at the same time, the airtightness in a package is also held.

5. 发明专利

JP2003217518A GAS DISCHARGE LAMP, AND INFORMATION DISPLAY SYSTEM USING THE SAME 审中-公开
公开(公告)号：JP2003217518A
公开(公告)日：2003-07-31
申请号：JP2002015048
申请日：2002-01-24
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： HIROHASHI MASAKI , TOMITA KAZUO , IMAMURA HIROKO , KUWATA JUN
IPC分类号： G02F1/13357 , H01J65/00
摘要： PROBLEM TO BE SOLVED: To provide an inexpensive gas discharge lamp comprising a plurality of line-shaped electrodes covered by dielectric substance, having high uniformity of light emission in spite of its simple structure, and to provide an information display system using the same. SOLUTION: The gas discharge lamp comprises a base plate 1, a line-shaped negative electrode 2 having five electrodes, a line-shaped positive electrode 3 having four electrodes, and dielectric substance 4 covering the surface of those line-shaped electrodes. Respective line-shaped electrodes are guided to a common electrode located at the outside of a discharge container, and adjacent electrodes are arranged at approximately regular intervals. The positive electrode and the negative electrode are alternately arranged, and the difference of the number of the positive electrodes and the negative electrodes is made to one. COPYRIGHT: (C)2003,JPO

6. 发明专利

JP2003259254A METHOD AND DEVICE FOR DRIVING GAS DISCHARGE TUBE 审中-公开
公开(公告)号：JP2003259254A
公开(公告)日：2003-09-12
申请号：JP2002055602
申请日：2002-03-01
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： TOMITA KAZUO , HIROHASHI MASAKI , IMAMURA HIROKO , KUWATA JUN
IPC分类号： G02F1/13357 , H04N5/66 , H05B41/24
摘要： PROBLEM TO BE SOLVED: To constitute a liquid crystal display (LCD) which gives a high picture quality and is free from degradation such as blur or blot of pictures even at the time of moving picture display on the LCD using a gas discharge tube by stopping light emission in a light emission pause period with respect to the gas discharge tube. SOLUTION: A pair of maintaining electrodes (a and b) and an auxiliary electrode are provided, and a light emission preparation period is provided in the preceding stage of a light emission period, and discharge is not performed between the maintaining electrodes a and b but is performed between the maintaining electrode a or b and the auxiliary electrode at the time of restarting discharge, and thereafter, discharge between the maintaining electrodes a and b is performed. Since light emission from gas discharge can be stopped in the light emission pause period, the light emission period and the light emission pause period can be set to arbitrary time lengths when the gas discharge tube is used in a back light for LCD or the like, and an advantageous effect is obtained that blur and blot of pictures, which occur at the time of moving picture display, can be suppressed. COPYRIGHT: (C)2003,JPO

7. 发明专利

JPH0225029A CRYSTALLINE SUBSTRATE GRINDER 失效
公开(公告)号：JPH0225029A
公开(公告)日：1990-01-26
申请号：JP17365688
申请日：1988-07-14
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： IMAMURA HIROKO , NEGISHI HIDEHIKO
IPC分类号： B24B1/00 , H01L21/304
摘要： PURPOSE:To enable the crystalline substrate to be ground with high precision by a method wherein exceeding specific numbers of thickness controllers are provided. on the same circumference of the crystalline substrates. CONSTITUTION:Exceeding three each e.g., six each of thickness controllers 13 are buried in the positions on the same circumference on the main body of a crystalline substrate grinding jig 11 while the level of the controllers 13 is position-controlled from the bonded surface of the crystalline substrates with high precision. The crystalline substrates 12 are fixed in the circumference whereon the controllers 13 are arranged using wax 18. The adjusting load 15 is previously decided by the assumed ground status and grinding time of the crystalline substrates 12 after the grinding process. Consequently, the substrates 12 can be ground only by bonding the substrates 12 onto the main body 11 using the wax 18.

8. 发明专利

JPH0222878A HEAT SINK 失效
公开(公告)号：JPH0222878A
公开(公告)日：1990-01-25
申请号：JP17187288
申请日：1988-07-12
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： NEGISHI HIDEHIKO , IMAMURA HIROKO
IPC分类号： H01S5/00
摘要： PURPOSE:To obtain a heat sink which can efficiently couple a front beam from a semiconductor laser element with an optical system and a rear beam with a photodetector by a method wherein a protruding part used to fix the semiconductor laser element is formed and a metal layer is formed on the surface of the protruding part in order to fix the element stably. CONSTITUTION:A heat sink 11 is composed of silicon whose resistance is low and whose thermal conductivity is high; a protruding part 12 used to fix a semiconductor laser element is formed on its surface. This protruding part 12 is formed accurately and, with high accuracy by a photoetching operation. In addition, Ti and Ni are evaporated on the whole surface of the protruding part 12; after that, a solder is plated and a metal layer 13 is formed. A semiconductor laser element 14 is positioned and fixed to the protruding part 12 by using the solder-plated metal layer 13. In addition, a height of the protruding part 12 is decided by measuring a far field pattern of the semiconductor laser element 14; when the height is mum or higher by an experiment, good coupling between a front beam 18 and an optical lens 20 as well as between a rear beam 19 and a photodetector 22 can be obtained.

9. 发明专利

JP2003109786A GAS DISCHARGE TUBE AND DRIVING METHOD THEREOF 审中-公开
公开(公告)号：JP2003109786A
公开(公告)日：2003-04-11
申请号：JP2001301749
申请日：2001-09-28
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： TOMITA KAZUO , HIROHASHI MASAKI , KUWATA JUN , IMAMURA HIROKO
IPC分类号： H05B41/24 , G09G3/34 , H01J17/48 , H01J65/00 , H04N5/66
摘要： PROBLEM TO BE SOLVED: To provide a gas discharge tube used in a back light for an LCD or the like and a driving method thereof to obtain a back light which is suitable for use in a large screen, cheap and simple in structure. SOLUTION: The gas discharge tube is composed of a single discharge tube, 2 sheets of flat glass 101, 107 and barrier walls 103 is used. A plurality of parallel electrodes 106 are provided as a group, a plurality of electrode groups are arranged, and voltage applied to the individual electrode groups is applied at different timing. This tube is thereby free of luminance irregularities even in a gas discharge tube used in a back light for an LCD large in display area because it is a single discharge tube, and can disperse a discharge place in time and space, so that a back light good in light emitting efficiency and cheap in production cost can be obtained because neither a light guide plate nor a diffusing sheet is required.

10. 发明专利

JP2002358023A DISPLAY DEVICE AND ITS DRIVING METHOD 失效
公开(公告)号：JP2002358023A
公开(公告)日：2002-12-13
申请号：JP2001164470
申请日：2001-05-31
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： TOMITA KAZUO , HIROHASHI MASAKI , KUWATA JUN , IMAMURA HIROKO
IPC分类号： G02F1/133 , G09F9/00 , G09G3/34 , G09G3/36
摘要： PROBLEM TO BE SOLVED: To control an erroneous display caused by the image information of a previous field so as to obtain a high quality picture while displaying an animation image on a display device such as an LCD or the like. SOLUTION: Light transmittance of a liquid crystal shutter 101 is found from a response speed of the shutter 101 to adjust the luminance from a gas discharging tube 104. When the light transmittance of the shutter 101 is not matched with video to be displayed by the video of a previous field, light emitting from the tube 104 is reduced. When the video is within the light transmittance range of the shutter 101, a pilot fire discharging is conducted during a discharge reopening of the tube 104 so that a discharging is instantaneously and stably restarted and a high quality picture having practically no animation disturbance is provided for a display device such as an LCD or the like.

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