DE2735564A1 - Verfahren zur verbesserung des kontrastes zwischen beaufschlagten und nicht beaufschlagten elektroden einer anzeigevorrichtung - Google Patents
Verfahren zur verbesserung des kontrastes zwischen beaufschlagten und nicht beaufschlagten elektroden einer anzeigevorrichtungInfo
- Publication number
- DE2735564A1 DE2735564A1 DE19772735564 DE2735564A DE2735564A1 DE 2735564 A1 DE2735564 A1 DE 2735564A1 DE 19772735564 DE19772735564 DE 19772735564 DE 2735564 A DE2735564 A DE 2735564A DE 2735564 A1 DE2735564 A1 DE 2735564A1
- Authority
- DE
- Germany
- Prior art keywords
- solution
- electrodes
- aluminum
- process according
- applies
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 18
- 239000000243 solution Substances 0.000 claims description 32
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 16
- 238000011282 treatment Methods 0.000 claims description 16
- 229910052782 aluminium Inorganic materials 0.000 claims description 15
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical class S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 7
- 230000001590 oxidative effect Effects 0.000 claims description 6
- 229910052709 silver Inorganic materials 0.000 claims description 6
- 239000004332 silver Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000005530 etching Methods 0.000 claims description 4
- KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 229940117975 chromium trioxide Drugs 0.000 claims description 3
- WGLPBDUCMAPZCE-UHFFFAOYSA-N chromium trioxide Inorganic materials O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 3
- GAMDZJFZMJECOS-UHFFFAOYSA-N chromium(6+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Cr+6] GAMDZJFZMJECOS-UHFFFAOYSA-N 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000007772 electrode material Substances 0.000 claims description 3
- 229910001379 sodium hypophosphite Inorganic materials 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 238000009736 wetting Methods 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000007788 roughening Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- 238000002310 reflectometry Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- VXAUWWUXCIMFIM-UHFFFAOYSA-M aluminum;oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Al+3] VXAUWWUXCIMFIM-UHFFFAOYSA-M 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical class [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- UOUJSJZBMCDAEU-UHFFFAOYSA-N chromium(3+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[Cr+3].[Cr+3] UOUJSJZBMCDAEU-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- GBRBMTNGQBKBQE-UHFFFAOYSA-L copper;diiodide Chemical compound I[Cu]I GBRBMTNGQBKBQE-UHFFFAOYSA-L 0.000 description 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- ACVYVLVWPXVTIT-UHFFFAOYSA-M phosphinate Chemical compound [O-][PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-M 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-N sulfurothioic S-acid Chemical compound OS(O)(=O)=S DHCDFWKWKRSZHF-UHFFFAOYSA-N 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/0102—Constructional details, not otherwise provided for in this subclass
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- ing And Chemical Polishing (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB40575/76A GB1522049A (en) | 1976-09-30 | 1976-09-30 | Display electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2735564A1 true DE2735564A1 (de) | 1978-04-06 |
Family
ID=10415582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772735564 Withdrawn DE2735564A1 (de) | 1976-09-30 | 1977-08-06 | Verfahren zur verbesserung des kontrastes zwischen beaufschlagten und nicht beaufschlagten elektroden einer anzeigevorrichtung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4116754A (enExample) |
| JP (1) | JPS5343497A (enExample) |
| CA (1) | CA1104699A (enExample) |
| DE (1) | DE2735564A1 (enExample) |
| FR (1) | FR2366659A1 (enExample) |
| GB (1) | GB1522049A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4431272A (en) * | 1980-05-08 | 1984-02-14 | Kabushiki Kaisha Suwa Seikosha | Liquid crystal display device |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4252418A (en) * | 1978-03-31 | 1981-02-24 | International Business Machines Corporation | Electrochromic display device |
| DE2919572A1 (de) * | 1979-05-15 | 1980-11-27 | Siemens Ag | Passive elektrooptische anzeigevorrichtung und verfahren zur herstellung einer solchen vorrichtung |
| JPS5691274A (en) * | 1979-12-24 | 1981-07-24 | Matsushita Electric Industrial Co Ltd | Electrochromic display unit |
| US4734174A (en) * | 1986-12-17 | 1988-03-29 | Polaroid Corporation | Electrochemical formation of thin-film electrodes |
| US11947233B2 (en) * | 2019-12-30 | 2024-04-02 | Sage Electrochromics, Inc. | Controlled randomization of electrochromic ablation patterns |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2193711A (en) * | 1937-12-14 | 1940-03-12 | Sprague Specialties Co | Electrolytic device |
| NL148719B (nl) * | 1948-09-17 | Akzo Nv | Doseerkraan voor een inrichting voor het doseren van een vloeibare kleurstof of een ander bestanddeel van verf. | |
| DE1155538B (de) * | 1958-02-03 | 1963-10-10 | Eastman Kodak Co | Verfahren zum Regeln der Lichtintensitaet und hierzu dienendes Filter |
| FR1393888A (fr) * | 1963-05-16 | 1965-03-26 | Colonial Alloys Company | Procédé pour l'obtention de finis de surface non réfléchissants sur des surfaces en aluminium et en alliage d'aluminium |
| US3851950A (en) * | 1973-06-18 | 1974-12-03 | Washington Scient Ind Inc | Projection screen |
-
1976
- 1976-09-30 GB GB40575/76A patent/GB1522049A/en not_active Expired
-
1977
- 1977-07-26 FR FR7723831A patent/FR2366659A1/fr active Granted
- 1977-08-06 DE DE19772735564 patent/DE2735564A1/de not_active Withdrawn
- 1977-09-07 US US05/831,218 patent/US4116754A/en not_active Expired - Lifetime
- 1977-09-28 CA CA287,711A patent/CA1104699A/en not_active Expired
- 1977-09-30 JP JP11697377A patent/JPS5343497A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4431272A (en) * | 1980-05-08 | 1984-02-14 | Kabushiki Kaisha Suwa Seikosha | Liquid crystal display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1104699A (en) | 1981-07-07 |
| FR2366659B1 (enExample) | 1982-04-09 |
| US4116754A (en) | 1978-09-26 |
| JPS5631595B2 (enExample) | 1981-07-22 |
| GB1522049A (en) | 1978-08-23 |
| FR2366659A1 (fr) | 1978-04-28 |
| JPS5343497A (en) | 1978-04-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8139 | Disposal/non-payment of the annual fee |