GB1360406A - Display storage panels - Google Patents

Display storage panels

Info

Publication number
GB1360406A
GB1360406A GB5130971A GB5130971A GB1360406A GB 1360406 A GB1360406 A GB 1360406A GB 5130971 A GB5130971 A GB 5130971A GB 5130971 A GB5130971 A GB 5130971A GB 1360406 A GB1360406 A GB 1360406A
Authority
GB
United Kingdom
Prior art keywords
layer
thick
zno
display
settled
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
GB5130971A
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.)
CBS Corp
Original Assignee
Westinghouse Electric 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
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB1360406A publication Critical patent/GB1360406A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/12Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto
    • H01L31/14Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto the light source or sources being controlled by the semiconductor device sensitive to radiation, e.g. image converters, image amplifiers or image storage devices

Abstract

1360406 Modified zinc oxide WESTING- HOUSE ELECTRIC CORP 4 Nov 1971 [20 Nov 1970] 51309/71 Heading C1A [Also in Divisions C4 and H1] A display storage panel for reproduction of an incident radiation image, (e.g. X-rays) comprises a radiation responsive layer of zinc oxide containing oxygen and Na, this layer producing a corresponding conductivity image persisting after removal of the incident radiation, and a display layer of electroluminescent material coupled to the first layer and responsive to the conductivity changes. The ZnO may additionally contain Pb and Cl, may be embedded in a plastic material, and the ZnO may contain dye material (e.g. rhodamine) to modify the wavelength response, and may be four times thicker than the display layer (e.g. >200 Á). Heat applied via electric current in a conductive electrode may remove the conductivity image or the entire panel may be baked at about 100‹ C. for 5 to 10 mins. The Fig. includes support 12 of glass 1À5 mm. thick, layer 16 of evaporated tin oxide, 100 nm. thick and 100 # per square, Cu bus-bars 18, 50 v. A.C. source 20 to provide heat via layer 16, EL layer 14 with phosphor to dielectric ratio of 3 : 1 by wt. and 25 to 50 Ám. thick, the phosphor being ZnS : Cu and Br in a cyanoethyl starch and cyanoethyl sucrose mix, and pc layer 23. Layer 23 may be prepared by mixing pure ZnO powder (< 1 Á), Na 2 SO 4 and PbCl 2 (amounts specific), baking in air at 1000‹ C. or 900 to 1200‹ C., cooling, placing in a blender with deionized water and subsequently paired off and settled, rinsed with 2-propanol, settled, decanted and ultrasonically agitated, filtered and dried. The powder is mixed with silicone resin, amyl alcohol, diethyl carbitol and ball mill mixed, then bladed on the EL layer, with a 10<SP>8</SP> #cm. resultant resistivity.
GB5130971A 1970-11-20 1971-11-04 Display storage panels Expired GB1360406A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9125470A 1970-11-20 1970-11-20

Publications (1)

Publication Number Publication Date
GB1360406A true GB1360406A (en) 1974-07-17

Family

ID=22226818

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5130971A Expired GB1360406A (en) 1970-11-20 1971-11-04 Display storage panels

Country Status (4)

Country Link
US (1) US3711719A (en)
JP (1) JPS5121757B1 (en)
DE (1) DE2156427A1 (en)
GB (1) GB1360406A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5332679B2 (en) * 1972-02-22 1978-09-09
JPS5240809B2 (en) * 1972-04-07 1977-10-14
US4024389A (en) * 1973-06-15 1977-05-17 Sharp Kabushiki Kaisha Photo-image memory panel and activating method therefor
US3932025A (en) * 1974-10-25 1976-01-13 Xerox Corporation Imaging system
JPS5367742A (en) * 1976-11-30 1978-06-16 Nitto Electric Ind Co Ltd Pressure-sensitive adhesive compositions
JPS59109540A (en) * 1982-12-16 1984-06-25 Asahi Glass Co Ltd Sbr latex composition
FR2574972B1 (en) * 1984-12-18 1987-03-27 Thioulouse Pascal MEMORY EFFECT DISPLAY DEVICE COMPRISING LIGHT-EMITTING AND PHOTOCONDUCTIVE LAYERS
US4857416A (en) * 1987-12-31 1989-08-15 Loctite Luminescent Systems, Inc. Infra-red emitting electroluminescent lamp structures
JPH0690318B2 (en) * 1988-03-29 1994-11-14 日亜化学工業株式会社 Solid X-ray image converter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3500101A (en) * 1955-02-02 1970-03-10 Sylvania Electric Prod Photocapacitive electroluminescent light amplifier
US2909692A (en) * 1957-06-14 1959-10-20 Gen Electric Field enhanced luminescence system
US2972692A (en) * 1958-05-02 1961-02-21 Westinghouse Electric Corp Method for operating electroluminescent cell and electroluminescent apparatus
US2939029A (en) * 1958-12-08 1960-05-31 Du Pont Method of image storage and release

Also Published As

Publication number Publication date
JPS4710526A (en) 1972-05-26
DE2156427A1 (en) 1972-05-31
US3711719A (en) 1973-01-16
JPS5121757B1 (en) 1976-07-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees