GB8715536D0 - Light emitting diode device - Google Patents

Light emitting diode device

Info

Publication number
GB8715536D0
GB8715536D0 GB8715536A GB8715536A GB8715536D0 GB 8715536 D0 GB8715536 D0 GB 8715536D0 GB 8715536 A GB8715536 A GB 8715536A GB 8715536 A GB8715536 A GB 8715536A GB 8715536 D0 GB8715536 D0 GB 8715536D0
Authority
GB
United Kingdom
Prior art keywords
light emitting
emitting diode
diode device
light
emitting
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Withdrawn
Application number
GB8715536A
Other versions
GB2192753A (en
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.)
Mitutoyo Corp
Original Assignee
Mitutoyo Corp
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 JP61156586A external-priority patent/JPS6323375A/en
Priority claimed from JP61156585A external-priority patent/JPS6323377A/en
Priority claimed from JP16743286A external-priority patent/JPS6324127A/en
Application filed by Mitutoyo Corp filed Critical Mitutoyo Corp
Publication of GB8715536D0 publication Critical patent/GB8715536D0/en
Publication of GB2192753A publication Critical patent/GB2192753A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/36—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes
    • H01L33/38—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes with a particular shape
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
GB8715536A 1986-07-02 1987-07-02 Light emitting diode device Withdrawn GB2192753A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP61156586A JPS6323375A (en) 1986-07-02 1986-07-02 Light emitting diode
JP61156585A JPS6323377A (en) 1986-07-02 1986-07-02 Light emitting diode
JP16743286A JPS6324127A (en) 1986-07-15 1986-07-15 Photoelectric encoder

Publications (2)

Publication Number Publication Date
GB8715536D0 true GB8715536D0 (en) 1987-08-12
GB2192753A GB2192753A (en) 1988-01-20

Family

ID=27321023

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8715536A Withdrawn GB2192753A (en) 1986-07-02 1987-07-02 Light emitting diode device

Country Status (2)

Country Link
DE (1) DE3721938A1 (en)
GB (1) GB2192753A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5155355A (en) * 1991-04-25 1992-10-13 Mitutoyo Corporation Photoelectric encoder having a grating substrate with integral light emitting elements
ES2298982T3 (en) * 2005-05-13 2008-05-16 Fagor, S.Coop. OPTOELECTRONIC MEASUREMENT DEVICE.

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3900864A (en) * 1973-05-17 1975-08-19 Bell Telephone Labor Inc Monolithic led displays
CA1023835A (en) * 1974-07-08 1978-01-03 Tadao Nakamura Light emitting gallium phosphide device
US3964157A (en) * 1974-10-31 1976-06-22 Bell Telephone Laboratories, Incorporated Method of mounting semiconductor chips
US4019196A (en) * 1974-11-22 1977-04-19 Stanley Electric Co., Ltd. Indicating element and method of manufacturing same
DE2725265A1 (en) * 1976-06-04 1977-12-08 Tokyo Shibaura Electric Co SEMI-CONDUCTOR LIGHT DISPLAY DEVICE
US4212021A (en) * 1976-07-21 1980-07-08 Hitachi, Ltd. Light emitting devices
US4220960A (en) * 1978-10-25 1980-09-02 International Telephone And Telegraph Corporation Light emitting diode structure
US4507157A (en) * 1981-05-07 1985-03-26 General Electric Company Simultaneously doped light-emitting diode formed by liquid phase epitaxy
US4447822A (en) * 1981-09-21 1984-05-08 Bell Telephone Laboratories, Incorporated Light emitting diode
DE3138687C2 (en) * 1981-09-29 1986-03-06 Siemens AG, 1000 Berlin und 8000 München Light-emitting diode with a targeted distribution of light radiation for signal lights

Also Published As

Publication number Publication date
DE3721938A1 (en) 1988-01-07
GB2192753A (en) 1988-01-20

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)