GB1062639A - Light emitting semiconductor devices - Google Patents
Light emitting semiconductor devicesInfo
- Publication number
- GB1062639A GB1062639A GB4943163A GB4943163A GB1062639A GB 1062639 A GB1062639 A GB 1062639A GB 4943163 A GB4943163 A GB 4943163A GB 4943163 A GB4943163 A GB 4943163A GB 1062639 A GB1062639 A GB 1062639A
- Authority
- GB
- United Kingdom
- Prior art keywords
- circular
- slice
- region
- semi
- diameter
- 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
Links
- 239000004065 semiconductor Substances 0.000 title abstract 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Led Devices (AREA)
- Led Device Packages (AREA)
Abstract
A light-emitting semi-conductor device comprises a circular or semi-circular slice of semi-conductor material of one conductivity type having two flat parallel faces and a peripheral edge surface normal to the faces and a flat region of opposite conductivity type lying within the slice and parallel to the faces, the region lying within a circular region concentric with the circular slice or a semi-circular region centrally positioned on the same diameter as the semi-circular slice, said circular or semi-circular region having a diameter or length which does not exceed a quarter of the diameter of the slice. A circular slice of n-Ga As has Zn diffused into it to form a circular concentric P-type region. The ratio between the diameter of the slice and that of the region is chosen such that light emitted from the PN junction will emerge from the slice without suffering total internal reflection. For GaAs, the ratio is 4 : 1. For mass production, a silic a coating is provided and Zn diffused in through holes in the silica formed by photo-resist techniques. Discs are cut out concentric with the diffused region and provided with Au contacts on opposite sides. In other embodiments a circular or semi-circular slice may be provided with a silvered surface to reflect light back through the slice whilst the diffused region may be a right parallelepiped lying within a circular region which has the above diameter ratio. In the case of a right parallelepiped (Fig. 3, not shown), the region may be positioned so that a Weierstrasse axis of the cylindrical slice passes through the centre of the region. Thus, any light emitted from the PN junction will be focused at a set point outside the slice.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4943163A GB1062639A (en) | 1963-12-13 | 1963-12-13 | Light emitting semiconductor devices |
DE1964ST023022 DE1297230B (en) | 1963-12-13 | 1964-12-02 | Semiconductor diode with light-emitting pn junction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4943163A GB1062639A (en) | 1963-12-13 | 1963-12-13 | Light emitting semiconductor devices |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1062639A true GB1062639A (en) | 1967-03-22 |
Family
ID=10452319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4943163A Expired GB1062639A (en) | 1963-12-13 | 1963-12-13 | Light emitting semiconductor devices |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE1297230B (en) |
GB (1) | GB1062639A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996037000A1 (en) * | 1995-05-18 | 1996-11-21 | Siemens Aktiengesellschaft | Light-emitting semiconductor component |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10039435A1 (en) * | 2000-08-11 | 2002-02-28 | Osram Opto Semiconductors Gmbh | Radiation-emitting semiconductor component used as an illuminating diode or semiconductor laser comprises an active layer, a contact surface and a cylindrical semiconductor body |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1081835A (en) * | 1953-05-05 | 1954-12-23 | Csf | Modular light emitting device |
US2983823A (en) * | 1956-05-21 | 1961-05-09 | Sprague Electric Co | Optical radiation generating and detecting device |
DE1052563B (en) * | 1957-03-05 | 1959-03-12 | Albrecht Fischer Dipl Phys | Arrangement and manufacturing process for injection electroluminescent lamps |
GB914645A (en) * | 1959-11-20 | 1963-01-02 | Standard Telephones Cables Ltd | Improvements in or relating to semiconductor devices |
-
1963
- 1963-12-13 GB GB4943163A patent/GB1062639A/en not_active Expired
-
1964
- 1964-12-02 DE DE1964ST023022 patent/DE1297230B/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996037000A1 (en) * | 1995-05-18 | 1996-11-21 | Siemens Aktiengesellschaft | Light-emitting semiconductor component |
Also Published As
Publication number | Publication date |
---|---|
DE1297230B (en) | 1969-06-12 |
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