JPS525550A - Device for indicating liquid crystals - Google Patents
Device for indicating liquid crystalsInfo
- Publication number
- JPS525550A JPS525550A JP8209075A JP8209075A JPS525550A JP S525550 A JPS525550 A JP S525550A JP 8209075 A JP8209075 A JP 8209075A JP 8209075 A JP8209075 A JP 8209075A JP S525550 A JPS525550 A JP S525550A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- providing
- liquid crystals
- indicating liquid
- back side
- 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.)
- Granted
Links
Landscapes
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
PURPOSE: To make the device thinner by providing a liquid crystal cell between a straight polarizer and a quarter wave length plate, by providing a cholesteric structured liquid crystal layer which is made in a microcapsule which has characteristic of two tone color circular polarization on the back side of the quarter wave length plate, and by providing a light attractor on the back side of this liquid crystal layer.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8209075A JPS525550A (en) | 1975-07-02 | 1975-07-02 | Device for indicating liquid crystals |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8209075A JPS525550A (en) | 1975-07-02 | 1975-07-02 | Device for indicating liquid crystals |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS525550A true JPS525550A (en) | 1977-01-17 |
JPS5613291B2 JPS5613291B2 (en) | 1981-03-27 |
Family
ID=13764731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8209075A Granted JPS525550A (en) | 1975-07-02 | 1975-07-02 | Device for indicating liquid crystals |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS525550A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56175816U (en) * | 1980-05-27 | 1981-12-25 | ||
US5296952A (en) * | 1991-05-27 | 1994-03-22 | Dainippon Ink & Chemicals Inc. | Double-layer liquid crystal device having a three dimensional network structure |
US5486884A (en) * | 1993-10-06 | 1996-01-23 | U.S. Philips Corporation | Reflecting image projection screen and image projection system comprising such a screen |
US5689317A (en) * | 1995-03-22 | 1997-11-18 | Cambridge Research Instrumentation, Inc. | Tunable color filter |
US6169708B1 (en) | 1998-03-03 | 2001-01-02 | Citizen Watch Co., Ltd. | Timepiece |
US6295108B1 (en) | 1997-06-30 | 2001-09-25 | Citizen Watch Co., Ltd. | Liquid crystal display device |
-
1975
- 1975-07-02 JP JP8209075A patent/JPS525550A/en active Granted
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56175816U (en) * | 1980-05-27 | 1981-12-25 | ||
US5296952A (en) * | 1991-05-27 | 1994-03-22 | Dainippon Ink & Chemicals Inc. | Double-layer liquid crystal device having a three dimensional network structure |
US5486884A (en) * | 1993-10-06 | 1996-01-23 | U.S. Philips Corporation | Reflecting image projection screen and image projection system comprising such a screen |
US5689317A (en) * | 1995-03-22 | 1997-11-18 | Cambridge Research Instrumentation, Inc. | Tunable color filter |
US6295108B1 (en) | 1997-06-30 | 2001-09-25 | Citizen Watch Co., Ltd. | Liquid crystal display device |
US6417903B1 (en) | 1997-06-30 | 2002-07-09 | Citizen Watch Co., Ltd. | Liquid crystal display device |
US6169708B1 (en) | 1998-03-03 | 2001-01-02 | Citizen Watch Co., Ltd. | Timepiece |
US6297864B1 (en) | 1998-03-03 | 2001-10-02 | Citizen Watch Co., Ltd. | Liquid crystal display |
Also Published As
Publication number | Publication date |
---|---|
JPS5613291B2 (en) | 1981-03-27 |
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