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1.发明专利
公开(公告)号：JP2001332738A
公开(公告)日：2001-11-30
申请号：JP2000152356
申请日：2000-05-24
Inventor： YAMAGISHI MACHIO , FUJINO MASAHIRO , KOMATSU HIROSHI , MUNAKATA MASAKI
IPC: G02F1/136 , G02F1/1368 , G09F9/30 , H01L21/336 , H01L27/32 , H01L29/786
Abstract: PROBLEM TO BE SOLVED: To prevent a point defect or a line defect of a thin film semiconductor device used for a display or the like. SOLUTION: In a thin film semiconductor device, a signal wiring 3, a gate wiring 2 and a thin film transistor TFT are formed on an insulating board to constitute a circuit. A semiconductor thin film 4 is extended along the signal wiring 3, and a distance from a contact hole CONS for electrically connecting the film 4 to the wiring 3 to a channel region Ch is lengthened. A protective member 2F of floating is arranged of the same material as that of a gate electrode along an edge of the film 4 disposed from the CONS to the channel region. The contact hole COND for connecting the drain region of the TFT to an intermediate wiring 3a and the contact hole CONP for connecting a pixel electrode to the wiring 3a are isolated from each other, and the former is arranged at a remote position from the TFT as compared with the latter. A part of the film 4 disposed under the wiring 3 via the CONS is extended at an outside in a width of at least 5 μm from an inner diameter of the CONS.
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公开(公告)号：JP2003167249A
公开(公告)日：2003-06-13
申请号：JP2001368722
申请日：2001-12-03
Inventor： FUKUNAGA YOKO , KOMATSU HIROSHI , AIDA NOBUHIRO , MUNAKATA MASAKI
IPC: G02B5/08 , G02F1/1335
Abstract: PROBLEM TO BE SOLVED: To improve discoloration of a reflection film consisting of silver or an alloy containing silver and to enhance display quality. SOLUTION: In a manufacturing method for a liquid crystal display element 1 having a liquid crystal layer 16 between a pair of substrates 2 and 3 disposed opposite to each other and the reflection film 9 consisting of silver or the alloy containing silver and formed on one of the pair of substrates 2 and 3, after the reflection film is formed, the reflection film 9 is subjected to heat treatment and/or liquid chemical treatment with alkaline liquid chemical prior to the next stage. COPYRIGHT: (C)2003,JPO
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公开(公告)号：JP2004002946A
公开(公告)日：2004-01-08
申请号：JP2002210482
申请日：2002-07-19
Applicant: Mitsubishi Chemicals Corp , Sony Corp , St Lcd Kk , エスティ・エルシーディ株式会社 , ソニー株式会社 , 三菱化学株式会社
Inventor： MUNAKATA MASAKI , KOMATSU HIROHITO , KUMON TETSUSHI , TERAMOTO KAZUMASA , AIDA NOBUHIRO , MOTOI MASAKAZU , SAITO NORIYUKI , SAKAKIBARA TOSHIAKI , ISHIKAWA MAKOTO
IPC: C23F1/30 , H01L21/28 , H01L21/308 , H01L21/3205 , H01L21/3213 , H01L23/52
Abstract: PROBLEM TO BE SOLVED: To stably carry out a uniform a wet-etching for a silver or silver alloy thin film layer by suppressing the occurrence of etch residual dross in a silver or silver alloy and suppressing the occurrence of side etching caused by over etching.
SOLUTION: In the etching method where a silver or silver alloy thin film present on the surface of a substrate is subjected to etching with an etching liquid, the etching liquid in which the concentration of silver ions is 0.005 to 1 wt.% is filled into an etching liquid feeding apparatus, and the etching liquid is brought into contact with the surface of the substrate having the silver or silver alloy thin film layer.
COPYRIGHT: (C)2004,JPO-
公开(公告)号：JP2004042140A
公开(公告)日：2004-02-12
申请号：JP2003271635
申请日：2003-07-07
Applicant: Hitachi Zosen Corp , Sony Corp , Takei Electric Industries Co Ltd , ソニー株式会社 , 日立造船株式会社 , 武井電機工業株式会社
Inventor： FUKUDA NAOAKI , KITAGAWA AKIKAZU , KATO TAKESHI , YAMADA MINORU , TANIMOTO YASUNORI , UKAI YASUHIRO , MUNAKATA MASAKI , TAKEI KENJI
CPC classification number: B23K26/0604 , B23K26/042 , B23K26/0608 , B23K26/067 , B23K26/0853 , B23K26/36 , B23K26/389
Abstract: PROBLEM TO BE SOLVED: To provide a process for removal of a thin film and a device for removal of the thin film which can remove a thin film with high positional accuracy using a cheap and general-purpose laser oscillator. SOLUTION: The process is that a laser beam 13 is made to irradiate to a substrate 12 which has processed a thin layer 11 settled on the surface and the thin layer 11 on the surface of the substrate 12 is removed. The surface of the substrate 12 from an oblique direction is irradiated with the leser beam 13. COPYRIGHT: (C)2004,JPO
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公开(公告)号：JPH10268300A
公开(公告)日：1998-10-09
申请号：JP8774897
申请日：1997-03-21
Applicant: SONY CORP
Inventor： MUNAKATA MASAKI
IPC: G02F1/1335 , G02F1/13363 , G02F1/137 , G09F9/35
Abstract: PROBLEM TO BE SOLVED: To enhance display contrast while maintaining opening ratios of pixels of a reflection type guest-host liquid crystal display device. SOLUTION: This device is provided with one pair of substrates 1, 2 joined each other with a prescribed gap and guest-host liquid 3 which incorporates dichroic coloring matter and is held in the gap. At least a counter electrode 6 is formed on the substrate 1 of an upper side. A thin film transistor 8, a light reflecting layer 9, a quater-wave plate layer 10 which is formed upward the reflecting layer 9 and in which the contact hole communicating with the thin film transistor 8 is provided and a pixel electrode 11 which is patterned on the layer 10 and is connected to the transistor 8 via the contact hole are formed on the substrate 2 of a lower side. A light shielding black matrix BM is formed along the boundary of each pixel electrode on the substrate 2. Ruggedness is formed in the light reflecting layer 9 and the layer 9 is constituted of a resin film 9a having a light shielding property and a reflecting metallic film 9b formed on the film 9a in the shape matched to the electrode 11. The black matrix BM is formed by utilizing one part of the resin film 9a.
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Patent Agency Ranking
公开(公告)号：JPH10325953A
公开(公告)日：1998-12-08
申请号：JP11615597
申请日：1997-04-18
Applicant: SONY CORP
Inventor： URABE TETSUO , MORIO MINORU , KATAOKA HIDEO , SHIGENO NOBUYUKI , MUNAKATA MASAKI , FUJIOKA TAKAYUKI , KAWATE YASUTOSHI , MATSUTE MASATAKA
IPC: G02F1/1335 , G09F9/35
Abstract: PROBLEM TO BE SOLVED: To make possible always displaying without being affected with environment by operating as a reflection type in bright environment, saving power consumption and operating as a transmission type assembled with a back side light source in dark environment. SOLUTION: In a reflection type-cum-transmission type display device, a guest host liquid crystal 3 is held in a gap between a pair of transparent substrates 1, 2 as electrooptical substance, and the device modulates incident light according to a voltage applied between electrodes 6, 11 to perform a display. A light reflection layer 9 is arranged on the back transparent substrate 2 side, and the majority of the light made incident from the front is reflected by it to be transmitted partially. The backside light source 30 is arranged backward from the transparent substrate 2, and the light is made incident toward front according to need. In the bright environment, the majority of external light made incident from the outside from the front toward the back is reflected by the light reflection layer 9, and a display is performed, and in the dark environment, a part of light source light made incident from the back side light source 30 from the back toward the front is transmitted to the front without shielding by the light reflection layer 9, and the display is performed.
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公开(公告)号：JPH10186414A
公开(公告)日：1998-07-14
申请号：JP35528296
申请日：1996-12-20
Applicant: SONY CORP
Inventor： KATAOKA HIDEO , MUNAKATA MASAKI , URABE TETSUO , SHIGENO NOBUYUKI , FUJIOKA TAKAYUKI
IPC: G02F1/137 , G02F1/1335 , G09F9/35
Abstract: PROBLEM TO BE SOLVED: To enhance the display quality and to facilitate the manufacturing process, by improving the structure of a reflection type guest-host liquid crystal color display device incorporating a light reflecting layer and a quater wavelength planar layer. SOLUTION: The reflection type guest-host liquid crystal color display device is provided with a pair of substrates 1, 2 joining to each other via a prescribed space and a guest-host liquid crystal 3 containing a dichroic coloring matter 5 and held at the space. A counter electrode is formed on one substrate 1. On another substrate 2, a thin film transistor 8, a light reflecting layer 9 having ruggedness, the a quater wavelength planar layer 10 which is film-formed thereon and is provided with a contact hole and a pixel electrode 11 which is pattern-formed on the a quater wavelength planar layer 10 and is connected with the thin film transistor 8 via the contact hole are formed. Further, a color filter layer 14 which is patterned plane-dividedly matching with individual pixel electrodes 11 is formed and a color display is attached by assigning incident light with different wavelength to respective pixel electrodes 11. The color filter layer 14 is interposed between the a quater wavelength planar layer 10 and the light reflecting layer 9 and fills ruggendenss of the latter to attain flattening.
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公开(公告)号：JPH1031233A
公开(公告)日：1998-02-03
申请号：JP20425396
申请日：1996-07-15
Applicant: SONY CORP
Inventor： KATAOKA HIDEO , MUNAKATA MASAKI
IPC: G02B5/30 , G02F1/1335 , G02F1/136 , G02F1/1368 , G02F1/137
Abstract: PROBLEM TO BE SOLVED: To stabilize the patterning of quarter-wave plate layers integrated and formed within the panel of a reflection type guest-host liquid crystal display device. SOLUTION: Thin-film transistors(TFTs) 2 and a light reflection layer 10 are first formed on one substrate 1. The quarter-wave plate layers 13 consisting of uniaxially oriented macromolecular liquid crystals are formed thereon and their surface are thated to improve affinity. The quarter-wave plate layers 13 are coated with photosensitive films 30 in tight contact with the surfaces improved in the affinity of these layers and, thereafter, the films are patterned into prescribed shapes by subjecting the films to exposing and developing. The quarter-wave plate layers 13 are etched by using the patterned photosensitive films 30 as a mask to open contact holes 24 communicating with the drain electrodes 9 of the TFTs and to remove the unnecessary photosensitive films 30. Pixel electrodes 15 are formed on the quarter-wave plate layers 13 and are connected to the drain electrodes 9 of the corresponding TFTs 2 via the contact holes 14.
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公开(公告)号：JPH10319442A
公开(公告)日：1998-12-04
申请号：JP14718597
申请日：1997-05-20
Applicant: SONY CORP
Inventor： MUNAKATA MASAKI
IPC: G02F1/137 , G02F1/1335 , G02F1/13357 , G09F9/35
Abstract: PROBLEM TO BE SOLVED: To enhance display lightness by improving the reflection efficiency of a reflection type guest-host liquid crystal display device. SOLUTION: This reflection type guest-host liquid crystal display device consists of a first substrate 1 arranged on an incident side and a second substrate 2 joined to the first substrate 1 via a prescribed spacing and arranged on the opposite side. A guest-host liquid crystal layer 3 existing on the substrate 1 side, a light reflection layer 8 existing on the second substrate 2 side and a quarter-wave plate 9 interposed between both are disposed in the spacing. Electrodes 10, 11 are respectively formed on the first substrate 1 side and the second substrate 2 side to impress voltage on the quest-host liquid crystal layer 3. The light reflection layer 8 has a metallic film 16 composed mainly of silver. The reflectivity characteristic is thus improved.
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公开(公告)号：JPH1031234A
公开(公告)日：1998-02-03
申请号：JP20425496
申请日：1996-07-15
Applicant: SONY CORP
Inventor： KATAOKA HIDEO , MUNAKATA MASAKI
IPC: G02F1/137 , G02F1/1333 , G02F1/1335 , G02F1/136 , G02F1/1368
Abstract: PROBLEM TO BE SOLVED: To protect a quarter-wave plate layer built into a reflection type quest-host liquid crystal display device from liquid crystal printed layers. SOLUTION: This reflection type guest-host liquid crystal display device has a pair of substrates 1, 2 which are joined to each other via a prescribed spacing and guest-host liquid crystals 3 which contain dichromatic dye 5 and are held in this spacing. At least a counter electrode 6 is formed on the upper substrate 1. At least a light reflection layer 8, the guarter-wave plate layer 9, a protective layer 10, pixel electrodes 11 and the oriented layer 12 ate formed successively from below on the lower substrate 2. The quarter-wave plate 9 consists of a uniaxially oriented macromoleculor liquid crystal film relatively inferior in solvent resistance. The oriented layer 12 consists of an org. coating film which is coated with an orienting solvent and is subjected to rubbing. The protective layer 10 consists of a resin film having relatively excellent solvent resistance and protects the macromolecular liquid crystal film by isolating the film against the orienting solvent.
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