GB2192084B - Planar light emitting device - Google Patents
Planar light emitting deviceInfo
- Publication number
- GB2192084B GB2192084B GB8705784A GB8705784A GB2192084B GB 2192084 B GB2192084 B GB 2192084B GB 8705784 A GB8705784 A GB 8705784A GB 8705784 A GB8705784 A GB 8705784A GB 2192084 B GB2192084 B GB 2192084B
- Authority
- GB
- United Kingdom
- Prior art keywords
- light emitting
- emitting device
- planar light
- planar
- light
- 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.)
- Expired - Fee Related
Links
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
- G02F1/13—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 based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Light Guides In General And Applications Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61153356A JP2755941B2 (en) | 1986-06-30 | 1986-06-30 | Surface emitting device |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8705784D0 GB8705784D0 (en) | 1987-04-15 |
GB2192084A GB2192084A (en) | 1987-12-31 |
GB2192084B true GB2192084B (en) | 1990-12-12 |
Family
ID=15560672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8705784A Expired - Fee Related GB2192084B (en) | 1986-06-30 | 1987-03-11 | Planar light emitting device |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP2755941B2 (en) |
AU (1) | AU595588B2 (en) |
CA (1) | CA1289534C (en) |
GB (1) | GB2192084B (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0310889A3 (en) * | 1987-10-09 | 1991-07-03 | Andreas Peiker | Display device comprising a plurality of light sources |
GB2222293B (en) * | 1988-08-24 | 1992-06-17 | Stc Plc | Backlight for radio pager lcd |
DE3834492A1 (en) * | 1988-10-11 | 1990-04-12 | Langmatz Lic Gmbh | LIGHT INDICATOR |
DE4125034A1 (en) * | 1991-07-29 | 1993-02-04 | Telefunken Electronic Gmbh | Illumination module for transmissive type LCD display - has plastic block providing optical transmission of daylight and artificial light to illuminate directly and indirectly |
JPH0772815A (en) * | 1992-12-15 | 1995-03-17 | Koito Mfg Co Ltd | Liquid crystal display device |
DE4339314C2 (en) * | 1993-11-18 | 2001-05-17 | Mannesmann Vdo Ag | Display unit, in particular combination instrument |
GB2334807A (en) * | 1998-02-27 | 1999-09-01 | Nokia Mobile Phones Ltd | Display assembly |
JP2002169149A (en) * | 2000-12-01 | 2002-06-14 | Mitsubishi Electric Corp | Reflection-type liquid crystal display |
US7711400B2 (en) | 2000-12-29 | 2010-05-04 | Vertu Limited | Casing |
US7006349B2 (en) | 2000-12-29 | 2006-02-28 | Vertu Limited | Casing |
EP1360822B1 (en) | 2000-12-29 | 2010-04-14 | Vertu Ltd | A casing |
GB2374235B (en) | 2000-12-29 | 2004-09-22 | Nokia Mobile Phones Ltd | A casing |
US6925313B2 (en) | 2001-02-07 | 2005-08-02 | Hyundai Curitel Inc. | Folder-type mobile communication terminal having double-sided LCD |
US6950680B2 (en) * | 2001-09-17 | 2005-09-27 | Nokia Corporation | Electronic device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3863246A (en) * | 1973-07-09 | 1975-01-28 | Collins Radio Co | Backlighted display apparatus for preventing direct viewing of light sources |
GB2121583A (en) * | 1982-05-31 | 1983-12-21 | Japan Engine Valve Mfg | Liquid crystal display device |
GB2161309A (en) * | 1984-07-03 | 1986-01-08 | Hewlett Packard Co | Apparatus for illuminating a liquid crystal display |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2707081A1 (en) * | 1977-02-18 | 1978-08-24 | Ackeret Design Studios | OPTICAL NUMBER SEGMENT DISPLAY |
JPS53104197A (en) * | 1977-02-23 | 1978-09-11 | Stanley Electric Co Ltd | Miniature illuminator |
JPS59186882U (en) * | 1983-05-30 | 1984-12-11 | 株式会社小糸製作所 | indicator |
JPS6136911U (en) * | 1984-08-08 | 1986-03-07 | スタンレー電気株式会社 | lighting equipment |
JPS61217084A (en) * | 1985-03-22 | 1986-09-26 | 三菱レイヨン・エンジニアリング株式会社 | Image display unit |
-
1986
- 1986-06-30 JP JP61153356A patent/JP2755941B2/en not_active Expired - Lifetime
-
1987
- 1987-03-05 AU AU69736/87A patent/AU595588B2/en not_active Ceased
- 1987-03-09 CA CA000531514A patent/CA1289534C/en not_active Expired - Fee Related
- 1987-03-11 GB GB8705784A patent/GB2192084B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3863246A (en) * | 1973-07-09 | 1975-01-28 | Collins Radio Co | Backlighted display apparatus for preventing direct viewing of light sources |
GB2121583A (en) * | 1982-05-31 | 1983-12-21 | Japan Engine Valve Mfg | Liquid crystal display device |
GB2161309A (en) * | 1984-07-03 | 1986-01-08 | Hewlett Packard Co | Apparatus for illuminating a liquid crystal display |
Also Published As
Publication number | Publication date |
---|---|
JP2755941B2 (en) | 1998-05-25 |
AU595588B2 (en) | 1990-04-05 |
GB2192084A (en) | 1987-12-31 |
CA1289534C (en) | 1991-09-24 |
JPS638718A (en) | 1988-01-14 |
GB8705784D0 (en) | 1987-04-15 |
AU6973687A (en) | 1988-01-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
746 | Register noted 'licences of right' (sect. 46/1977) |
Effective date: 19951108 |
|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19960311 |