GB1407508A - Light emitting devices - Google Patents

Light emitting devices

Info

Publication number
GB1407508A
GB1407508A GB123373A GB123373A GB1407508A GB 1407508 A GB1407508 A GB 1407508A GB 123373 A GB123373 A GB 123373A GB 123373 A GB123373 A GB 123373A GB 1407508 A GB1407508 A GB 1407508A
Authority
GB
United Kingdom
Prior art keywords
layer
leads
diodes
insulating
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.)
Expired
Application number
GB123373A
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.)
Sony Corp
Original Assignee
Sony 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 JP542472A external-priority patent/JPS5137870B2/ja
Priority claimed from JP8011072A external-priority patent/JPS5113621B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of GB1407508A publication Critical patent/GB1407508A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/30—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical otherwise than with constant velocity or otherwise than in pattern formed by unidirectional, straight, substantially horizontal or vertical lines
    • H04N3/34—Elemental scanning area oscillated rapidly in direction transverse to main scanning direction
    • 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
    • G09F9/302—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 characterised by the form or geometrical disposition of the individual elements
    • G09F9/3023—Segmented electronic displays
    • 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

Abstract

1407508 Electroluminescence SONY CORP 9 Jan 1973 [11 Jan 1972 10 Aug 1972] 1233/73 Heading C4S A light emitting device comprises a diode emitter 1 mounted on an insulating plate 7 with its junction perpendicular to the plate. The device provides a fine line of emitted light. A figure of eight display panel comprises a front glass plate 7; a layer comprising conductive leads 6, an opaque insulating material 8 and diffusing windows 9 containing silica or pigment; an insulating layer 11 of photosensitive resin with apertures for diodes 1 and leads; a further insulating layer 16; conductive resin layer 18 providing connections between the diodes and leads 6; a protective insulating layer 19; a further layer 20; and a resin layer 21 with a reflecting area 23. Unwanted portions of layer 18 are removed by sandblasting; layer 21 is secured by adhesive 22. The diodes are of Ga, P, Si C or Ga N 3 . In other embodiments conductive leads are widened so that the opaque material can be omitted. The figure of eight comprises 9 elements; the elements may be viewed from both sides of the panel.
GB123373A 1972-01-11 1973-01-09 Light emitting devices Expired GB1407508A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP542472A JPS5137870B2 (en) 1972-01-11 1972-01-11
JP8011072A JPS5113621B2 (en) 1972-08-10 1972-08-10

Publications (1)

Publication Number Publication Date
GB1407508A true GB1407508A (en) 1975-09-24

Family

ID=26339366

Family Applications (1)

Application Number Title Priority Date Filing Date
GB123373A Expired GB1407508A (en) 1972-01-11 1973-01-09 Light emitting devices

Country Status (7)

Country Link
US (1) US3840858A (en)
CA (1) CA970452A (en)
DE (1) DE2301223A1 (en)
FR (1) FR2173938B1 (en)
GB (1) GB1407508A (en)
IT (1) IT978127B (en)
NL (1) NL7300442A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3633203A1 (en) * 1986-09-30 1988-03-31 Siemens Ag LIGHT EMISSION DIODES (LED) - DISPLAY DEVICE
US4837565A (en) * 1987-08-13 1989-06-06 Digital Equipment Corporation Tri-state function indicator

Also Published As

Publication number Publication date
NL7300442A (en) 1973-07-13
IT978127B (en) 1974-09-20
US3840858A (en) 1974-10-08
DE2301223A1 (en) 1973-07-26
CA970452A (en) 1975-07-01
FR2173938B1 (en) 1976-07-23
FR2173938A1 (en) 1973-10-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19930107