公开(公告)号：EP1589557A4

公开(公告)日：2007-11-21

申请号：EP04806911

申请日：2004-12-13

申请人： MATSUSHITA ELECTRIC IND CO LTD

发明人： HORIKAWA KEIJI ,  MIYAMAE YUICHIRO ,  AOKI MASAKI ,  SUGIMOTO KAZUHIKO ,  HIBINO JUNICHI ,  TANAKA YOSHINORI ,  SETOGUCHI HIROSHI

IPC分类号： C09K11/08 ,  C09K11/59 ,  C09K11/77 ,  H01J1/63 ,  H01J17/49 ,  H01J11/02

CPC分类号： H01J11/42 ,  C09K11/595 ,  C09K11/7734 ,  C09K11/7787 ,  C09K11/7797 ,  H01J1/63 ,  H01J11/12

摘要： Disclosed is a plasma display comprising a green phosphor whose luminance is hardly decreased during the manufacturing process of a panel. Also disclosed is a method for manufacturing such a plasma display. Specifically disclosed is a plasma display which comprises a plasma display panel wherein a plurality of discharge cells of one color or plural colors are arranged and a red phosphor layer (110R), a green phosphor layer (110G) and a blue phosphor layer (110B) corresponding to the respective discharge cells are also arranged so that a light is emitted by exiciting the red phosphor layer (110R), green phosphor layer (110G) or blue phosphor layer (110B) with ultraviolet light. In this plasma display, the green phosphor layer (110G) contains a green phosphor expressed as (Ma-x-yEuxTby)O·MgO·2SiO2 (wherein M is at least one of Ca, Sr and Ba).

公开(公告)号：EP1172685A4

公开(公告)日：2005-10-26

申请号：EP01904399

申请日：2001-02-13

申请人： MATSUSHITA ELECTRIC IND CO LTD

发明人： ISHIHARA SHOICHI ,  TANAKA YOSHINORI ,  NAKAO KENJI ,  HATTORI KATSUJI ,  UEMURA TSUYOSHI

IPC分类号： G02F1/1337 ,  G02F1/139

CPC分类号： G02F1/1395 ,  G02F1/133719 ,  G02F1/133723 ,  G02F1/133734 ,  G02F1/133784 ,  G02F1/133788 ,  G02F2001/133746

摘要： A liquid crystal display having a high transition speed in which bend alignment is formed easily upon application of a voltage of several volts by subjecting an alignment film, which can impart liquid crystal molecules with a pretilt angle of 15-90 DEG , to parallel alignment. A liquid crystal display requiring no transition operation can also be provided. Furthermore, a liquid crystal display of OCB mode excellent in practicality can be provided because of excellent field angle characteristics.

公开(公告)号：EP1118902A4

公开(公告)日：2004-03-17

申请号：EP00949917

申请日：2000-07-26

申请人： MATSUSHITA ELECTRIC IND CO LTD

发明人： NAKAO KENJI ,  UEMURA TSUYOSHI ,  ISHIHARA SHOICHI ,  HATTORI KATSUJI ,  TANAKA YOSHINORI

IPC分类号： G02F1/1335 ,  G02F1/13357 ,  G02F1/1362 ,  G02F1/139

CPC分类号： G02F1/133502 ,  G02F1/133512 ,  G02F1/133615 ,  G02F1/136209 ,  G02F1/1393 ,  G02F1/1395

摘要： A liquid crystal device comprising an OCB liquid crystal element the contrast of which is improved and which performs display while controlling the birefringence of the liquid crystal layer of the element. The reflection of light inside the element is lowered, and the reflection of light attributed to the differences among the refractive indices of the materials at the boundary surfaces of portions inside the element is lowered. The inside lights such as the backlight are made to fall on the substrate perpendicularly as much as possible. Specifically, for example, the black matrix, the active devices provided at least on one side of the substrate, and the wiring on the liquid crystal layer side are made of light absorbing materials.

公开(公告)号：EP1617452A4

公开(公告)日：2008-05-28

申请号：EP04728639

申请日：2004-04-21

申请人： MATSUSHITA ELECTRIC IND CO LTD

发明人： AOKI MASAKI ,  KONDO YUMI ,  SUGIMOTO KAZUHIKO ,  SETOGUCHI HIROSHI ,  HIBINO JUNICHI ,  TANAKA YOSHINORI ,  HOSOKAWA TEPPEI

IPC分类号： H01J9/02 ,  H01J9/00 ,  H01J11/12 ,  H01J11/22 ,  H01J11/24 ,  H01J11/26 ,  H01J11/34 ,  H01J11/40

CPC分类号： H01J11/40 ,  H01J9/02 ,  H01J11/12

摘要： The preresent invention provides a plasma display panel that suppresses discharge sustain voltage, and reduces brightness degradation of a phosphor. In the plasma display panel, as protective film (14) made of magnesium oxide (MgO) formed on dielectric glass layer (13), protective film (14) made of magnesium oxide (MgO) with oxide added with an electronegativity of 1.4 or higher, is formed to suppress impure gas adsorption by protective film (14), stabilizes discharge sustain voltage, and reduces brightness degradation.

摘要翻译： 公开了一种等离子体显示面板，其中维持电压稳定并且抑制了荧光体亮度的降低。 在等离子体显示面板中，作为氧化镁（MgO），在电介质玻璃层（13）上形成添加有电负性不小于1.4的氧化物的氧化镁（MgO）保护膜（14） 保护膜（14）。 因此，能够抑制杂质气体向保护膜（14）的吸附，维持电压稳定，荧光体亮度的降低得到抑制。

公开(公告)号：EP1294031A4

公开(公告)日：2007-12-05

申请号：EP01934524

申请日：2001-06-04

申请人： MATSUSHITA ELECTRIC IND CO LTD

发明人： UYAMA TAKAO ,  OKAHISA MITSUGU ,  IKEHATA TOSHIHIKO ,  YAMANAKA SUSUMU ,  OKAMOTO TOSHIHIDE ,  SATO SHIGENORI ,  TANAKA YOSHINORI ,  TSUBOTA FUKUJI

IPC分类号： H01G9/00 ,  H01G9/10 ,  H01G11/00 ,  H01G11/54 ,  H01G11/62 ,  H01G11/78 ,  H01G11/80 ,  H01M2/08 ,  H01M2/16 ,  H01M6/40 ,  H01M6/42 ,  H01M10/04 ,  H01M10/40

CPC分类号： H01G9/155 ,  H01G9/10 ,  H01M2/08 ,  H01M2/1653 ,  H01M2/166 ,  H01M2/1686 ,  H01M6/40 ,  H01M6/42 ,  H01M10/04 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0585 ,  H01M2300/0085 ,  Y02E60/13

摘要： A sealing material for electrochemical elements which comprises a rubber ingredient and a tackifier and keeps the electrochemical elements in a highly sealed state in a wide temperature range, wherein the rubber ingredient comprises at least either of butyl rubber and polyisobutylene rubber and the tackifier comprises at least one member selected from the group consisting of terpene resins, aliphatic petroleum resins, and alicyclic petroleum resins.

公开(公告)号：EP1118900A4

公开(公告)日：2002-07-31

申请号：EP99940672

申请日：1999-09-03

申请人： MATSUSHITA ELECTRIC IND CO LTD

发明人： HATTORI KATSUJI ,  ISHIHARA SHOICHI ,  KUBOTA HIROFUMI ,  HATTA SHIN-ICHIRO ,  ADACHI KATSUMI ,  TANAKA YOSHINORI

IPC分类号： G02F1/1333 ,  G02F1/1343 ,  G02F1/1345 ,  G02F1/1362 ,  G02F1/139 ,  G09G3/36

CPC分类号： G09G3/3611 ,  G02F1/133707 ,  G02F1/134309 ,  G02F1/134336 ,  G02F1/1345 ,  G02F1/136286 ,  G02F1/1395 ,  G09G3/36 ,  G09G2300/0486 ,  G09G2300/0491 ,  G09G2310/0245 ,  G09G2310/061 ,  G09G2310/063 ,  G09G2330/026

摘要： Before starting a normal display operation of a liquid crystal display of bend alignment type, it is necessary to align the liquid crystal over the display part including all the pixels from the spray-aligned state to the bend-aligned state uniformly. However, conventionally, even when a simple AC voltage is applied, transition sometimes does not occur, or it takes a long time to cause transition to occur and consequently defective displaying due to defective alignment is liable to occur. A method of driving a liquid crystal display including an OBC cell, according to the invention, comprises applying an AC voltage on which a bias voltage is superposed between an electrode (22) and a pixel electrode (23) on substrates before starting a normal display operation and applying a zero or low voltage between the substrates. The two voltage applications are repeated alternately to cause bend alignment transition of all the pixels. After that, the operation is changed to a normal display operation.