CRT
E215033
CRT (Cathode Ray Tube) is an older display technology that creates images by directing electron beams onto a phosphorescent screen, once widely used in televisions and computer monitors before being replaced by flat-panel displays.
All labels observed (1)
| Label | Occurrences |
|---|---|
| CRT canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1934427 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CRT Context triple: [Trinitron, displayTechnologyType, CRT]
-
A.
RT
RT is a Russian state-funded international television network and online media outlet known for its global news coverage and often controversial, Kremlin-aligned perspectives on major events.
-
B.
CG
CG is the stock ticker symbol for The Carlyle Group, a major global alternative asset management and private equity firm.
-
C.
TC
TC is the common abbreviation for the Trilateral Commission, a non-governmental policy discussion group that brings together leaders from North America, Europe, and Asia to address global issues.
-
D.
TC
TC is the standard abbreviation for the IEEE Transactions on Computers, a leading peer-reviewed journal covering research in computer science and engineering.
-
E.
TC
TC is the two-letter ISO 3166-1 alpha-2 country code assigned to the Turks and Caicos Islands.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: CRT Target entity description: CRT (Cathode Ray Tube) is an older display technology that creates images by directing electron beams onto a phosphorescent screen, once widely used in televisions and computer monitors before being replaced by flat-panel displays.
-
A.
RT
RT is a Russian state-funded international television network and online media outlet known for its global news coverage and often controversial, Kremlin-aligned perspectives on major events.
-
B.
CG
CG is the stock ticker symbol for The Carlyle Group, a major global alternative asset management and private equity firm.
-
C.
TC
TC is the common abbreviation for the Trilateral Commission, a non-governmental policy discussion group that brings together leaders from North America, Europe, and Asia to address global issues.
-
D.
TC
TC is the standard abbreviation for the IEEE Transactions on Computers, a leading peer-reviewed journal covering research in computer science and engineering.
-
E.
TC
TC is the two-letter ISO 3166-1 alpha-2 country code assigned to the Turks and Caicos Islands.
- F. None of above. chosen
Statements (60)
| Predicate | Object |
|---|---|
| instanceOf |
cathode ray tube
ⓘ
display technology ⓘ |
| advantage |
fast response time
ⓘ
high contrast ratio ⓘ no native resolution ⓘ wide viewing angles ⓘ |
| colorProductionMethod |
red green blue phosphors
ⓘ
three electron guns ⓘ |
| commonAspectRatio |
16:9
ⓘ
4:3 ⓘ 5:4 ⓘ |
| commonRefreshRate |
100 Hz
ⓘ
120 Hz ⓘ 60 Hz ⓘ 75 Hz ⓘ 85 Hz ⓘ |
| deflectionType |
electrostatic deflection
ⓘ
magnetic deflection ⓘ |
| disadvantage |
geometric distortion
ⓘ
heavy weight ⓘ high power consumption ⓘ large depth ⓘ potential flicker ⓘ |
| dominantInMarketUntil | early 2000s ⓘ |
| environmentalConcern |
hazardous waste
ⓘ
lead-containing glass ⓘ |
| eraOfWidespreadUse | 20th century ⓘ |
| fullName | Cathode Ray Tube ⓘ |
| hasComponent |
anode
ⓘ
aperture grille ⓘ cathode ⓘ deflection system ⓘ electron beam ⓘ electron gun ⓘ focusing system ⓘ phosphorescent screen ⓘ shadow mask ⓘ vacuum tube envelope ⓘ |
| historicalPredecessorOf | modern flat-panel displays ⓘ |
| principle |
cathodoluminescence
ⓘ
electron beam scanning ⓘ |
| requires | high voltage ⓘ |
| safetyConcern |
X-ray emission risk
ⓘ
implosion risk ⓘ |
| screenType | phosphor-coated glass ⓘ |
| supersededBy |
LCD TV
ⓘ
surface form:
LCD
LED-backlit LCD ⓘ OLED display ⓘ plasma display ⓘ |
| supports |
interlaced scanning
ⓘ
progressive scanning ⓘ |
| usedFor |
displaying graphics
ⓘ
displaying moving images ⓘ displaying text ⓘ |
| usedIn |
broadcast studio monitors
ⓘ
computer monitors ⓘ oscilloscopes ⓘ radar displays ⓘ television sets ⓘ video arcade machines ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: CRT Description of subject: CRT (Cathode Ray Tube) is an older display technology that creates images by directing electron beams onto a phosphorescent screen, once widely used in televisions and computer monitors before being replaced by flat-panel displays.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.