GB2170031B - Edge lighted display device - Google Patents

Edge lighted display device

Info

Publication number
GB2170031B
GB2170031B GB08501267A GB8501267A GB2170031B GB 2170031 B GB2170031 B GB 2170031B GB 08501267 A GB08501267 A GB 08501267A GB 8501267 A GB8501267 A GB 8501267A GB 2170031 B GB2170031 B GB 2170031B
Authority
GB
United Kingdom
Prior art keywords
display device
lighted display
edge lighted
edge
lighted
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
Application number
GB08501267A
Other versions
GB2170031A (en
GB8501267D0 (en
Inventor
Sr Daniel W Leo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LEDAN Inc
Original Assignee
LEDAN Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LEDAN Inc filed Critical LEDAN Inc
Priority to GB08501267A priority Critical patent/GB2170031B/en
Publication of GB8501267D0 publication Critical patent/GB8501267D0/en
Publication of GB2170031A publication Critical patent/GB2170031A/en
Application granted granted Critical
Publication of GB2170031B publication Critical patent/GB2170031B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0065—Manufacturing aspects; Material aspects
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/18—Edge-illuminated signs
    • G09F2013/184—Information to display
    • G09F2013/1868—Fluorescent pencil
GB08501267A 1985-01-18 1985-01-18 Edge lighted display device Expired GB2170031B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08501267A GB2170031B (en) 1985-01-18 1985-01-18 Edge lighted display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08501267A GB2170031B (en) 1985-01-18 1985-01-18 Edge lighted display device

Publications (3)

Publication Number Publication Date
GB8501267D0 GB8501267D0 (en) 1985-02-20
GB2170031A GB2170031A (en) 1986-07-23
GB2170031B true GB2170031B (en) 1988-08-17

Family

ID=10573033

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08501267A Expired GB2170031B (en) 1985-01-18 1985-01-18 Edge lighted display device

Country Status (1)

Country Link
GB (1) GB2170031B (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1131913A (en) * 1965-09-21 1968-10-30 Pertint Ltd Improvements in or relating to illuminated devices
GB1090624A (en) * 1965-08-09 1967-11-08 Pertint Ltd Illuminated devices
GB2030750A (en) * 1978-10-04 1980-04-10 Pierre Lo International Ltd Illuminated signs
US4229783A (en) * 1979-03-12 1980-10-21 Timex Corporation Backlight for electrooptic display

Also Published As

Publication number Publication date
GB2170031A (en) 1986-07-23
GB8501267D0 (en) 1985-02-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee