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GB2199439B - Display units - Google Patents

Display units

Info

Publication number
GB2199439B
GB2199439B GB8727760A GB8727760A GB2199439B GB 2199439 B GB2199439 B GB 2199439B GB 8727760 A GB8727760 A GB 8727760A GB 8727760 A GB8727760 A GB 8727760A GB 2199439 B GB2199439 B GB 2199439B
Authority
GB
United Kingdom
Prior art keywords
display units
units
display
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
Application number
GB8727760A
Other versions
GB8727760D0 (en
GB2199439A (en
Inventor
John Winston Delahay Jones
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.)
Smiths Group PLC
Original Assignee
Smiths Group PLC
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
Priority claimed from GB868629488A external-priority patent/GB8629488D0/en
Application filed by Smiths Group PLC filed Critical Smiths Group PLC
Priority to GB8727760A priority Critical patent/GB2199439B/en
Publication of GB8727760D0 publication Critical patent/GB8727760D0/en
Publication of GB2199439A publication Critical patent/GB2199439A/en
Application granted granted Critical
Publication of GB2199439B publication Critical patent/GB2199439B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0073—Light emitting diode [LED]
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
GB8727760A 1986-12-10 1987-11-27 Display units Expired - Fee Related GB2199439B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8727760A GB2199439B (en) 1986-12-10 1987-11-27 Display units

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB868629488A GB8629488D0 (en) 1986-12-10 1986-12-10 Display units
GB8727760A GB2199439B (en) 1986-12-10 1987-11-27 Display units

Publications (3)

Publication Number Publication Date
GB8727760D0 GB8727760D0 (en) 1987-12-31
GB2199439A GB2199439A (en) 1988-07-06
GB2199439B true GB2199439B (en) 1990-03-28

Family

ID=26291673

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8727760A Expired - Fee Related GB2199439B (en) 1986-12-10 1987-11-27 Display units

Country Status (1)

Country Link
GB (1) GB2199439B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2752665B2 (en) * 1988-11-09 1998-05-18 日本電気株式会社 Portable radio with display
GB2237400B (en) * 1989-10-27 1994-04-20 Eev Ltd Control of liquid crystal display visual properties
JP2002189449A (en) * 2000-12-20 2002-07-05 Nec Corp Driving system for organic el display and portable terminal having the same
GB0402640D0 (en) * 2004-02-06 2004-03-10 Pelikon Ltd Ambient light sensor

Also Published As

Publication number Publication date
GB8727760D0 (en) 1987-12-31
GB2199439A (en) 1988-07-06

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Legal Events

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

Effective date: 19981127