Display Technology
Display technology
📺 Full Timeline: History of Display Technology
🧩 1. Cathode Ray Tube (CRT)
| Year | Invention / Milestone | Inventor / Developer | Description |
| 1897 | First CRT: “Braun Tube” | Ferdinand Braun | The earliest cathode ray tube for oscilloscope-style displays. |
| 1907–1920s | Cathodoluminescence used | Various physicists | Foundation for CRT TVs and monitors. |
| 1922 | First commercial CRTs | Industry labs | Used in laboratories and radar. |
| 1954 | First color CRT television | RCA | Released to the public; revolutionized home entertainment. |
🧩 2. Monochrome CRT Storage Tube
| Year | Milestone | Developer | Description |
| 1968 | Direct-view bistable storage tube | Tektronix | CRT capable of storing and displaying graphics and text without refresh. |
🧩 3. Plasma Display
| Year | Milestone | Inventor(s) | Description |
| 1936 | Conceptualized | Kálmán Tihanyi | Hungarian physicist proposed a plasma-based display. |
| 1964 | First working plasma panel | Donald Bitzer, Gene Slottow, Robert Willson | Developed for the PLATO computer education system at University of Illinois. |
🧩 4. Liquid Crystal Display (LCD)
| Year | Milestone | Inventor / Company | Description |
| 1964 | First working LCD (DSM) | George Heilmeier, RCA | Used dynamic scattering mode. |
| 1968 | TFT-based LCD prototype | Bernard Lechner, RCA | First liquid crystal display using a thin-film transistor. |
| 1973 | Active-Matrix TFT LCD | T. Peter Brody, Westinghouse | First active-matrix LCD developed. |
| 1982 | Portable LCD TV | Japanese manufacturers | First consumer-use LCD TVs. |
| 1984 | Epson ET-10 | Epson | 2.1” color LCD pocket TV. |
| 1988 | Full-color 14" LCD | Sharp | First demo of a full-color active-matrix LCD, rivaling CRTs. |
🧩 5. LED Displays
| Year | Milestone | Developer | Description |
| 1962 | First visible LED | Nick Holonyak, General Electric | Red LED, foundation of LED display tech. |
| 1968 | First intelligent LED display | Hewlett-Packard (HP 5082-7000) | 7-segment numeric LED display for calculators. |
| 1980s | Color LEDs | Multiple labs (AlInGaP LEDs) | Enabled RGB LED combinations. |
| 1989 | Blue LED breakthrough | Shuji Nakamura | Opened the way for full-color LED displays. |
| 1997 | LED video wall | SACO Technologies + U2 PopMart Tour | First large-scale LED display for live events. |
🧩 6. Flat-Panel Displays (General)
| Year | Milestone | Developer | Description |
| 1958 | Predicta (flat CRT-style) | Philco | Unique TV with flat-screen illusion. |
| 1960s–70s | R&D into DLP, LCD, LCoS | Many labs | Emergence of flat displays. |
🧩 7. OLED (Organic Light Emitting Diode)
| Year | Milestone | Developer | Description |
| 1987 | First OLED | Ching Tang & Steven Van Slyke (Kodak) | Organic compounds that emit light directly when electric current is applied. |
| 2009 | First OLED TV | Sony XEL-1 | World’s first commercially available OLED television. |
🧩 8. MicroLED
| Year | Milestone | Developer | Description |
| 2000 | Concept developed | Hongxing Jiang & Jingyu Lin | First to propose and demonstrate InGaN-based microLEDs. |
| 2009 | First video-capable microLED display | Various labs | Displayed VGA-resolution content. |
🧩 9. LCoS (Liquid Crystal on Silicon)
| Year | Milestone | Developer | Description |
| 1972 | Early experiments with LCLV | Hughes Research Laboratories | Used for projection and optical modulation. |
| 1992 | First ILA projector | Hughes–JVC | Commercialization of LCoS projection. |
| 2004–2006 | D-ILA and SXRD projectors | JVC & Sony | High-end cinema and home theatre projectors using LCoS. |
🗺️ Summary Timeline Chart
| Year | Technology | Key Event |
| 1897 | CRT | First cathode ray tube (Braun) |
| 1922 | CRT (monochrome) | Commercial CRTs introduced |
| 1954 | CRT (color) | First color TV |
| 1964 | LCD, Plasma | Both technologies independently prototyped |
| 1968 | LCD (TFT) | Prototype from RCA |
| 1973 | TFT LCD | First active matrix LCD |
| 1987 | OLED | Invention at Kodak |
| 2009 | OLED TV | Sony XEL-1 released |
| 2000 | MicroLED | Research begins |
| 2009 | MicroLED display | First VGA-resolution demo |
| 1992 | LCoS | ILA projection debuts |
| 2004 | LCoS (SXRD/D-ILA) | Sony and JVC commercial projectorsEarly television |
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tarun basu
Engineering, systems programming, and curated technology insights.